1097055e2SEdward Tomasz Napierala /*- 28a36da99SPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 38a36da99SPedro F. Giffuni * 4097055e2SEdward Tomasz Napierala * Copyright (c) 2010 The FreeBSD Foundation 5097055e2SEdward Tomasz Napierala * All rights reserved. 6097055e2SEdward Tomasz Napierala * 7097055e2SEdward Tomasz Napierala * This software was developed by Edward Tomasz Napierala under sponsorship 8097055e2SEdward Tomasz Napierala * from the FreeBSD Foundation. 9097055e2SEdward Tomasz Napierala * 10097055e2SEdward Tomasz Napierala * Redistribution and use in source and binary forms, with or without 11097055e2SEdward Tomasz Napierala * modification, are permitted provided that the following conditions 12097055e2SEdward Tomasz Napierala * are met: 13097055e2SEdward Tomasz Napierala * 1. Redistributions of source code must retain the above copyright 14097055e2SEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer. 15097055e2SEdward Tomasz Napierala * 2. Redistributions in binary form must reproduce the above copyright 16097055e2SEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer in the 17097055e2SEdward Tomasz Napierala * documentation and/or other materials provided with the distribution. 18097055e2SEdward Tomasz Napierala * 19097055e2SEdward Tomasz Napierala * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20097055e2SEdward Tomasz Napierala * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21097055e2SEdward Tomasz Napierala * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22097055e2SEdward Tomasz Napierala * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23097055e2SEdward Tomasz Napierala * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24097055e2SEdward Tomasz Napierala * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25097055e2SEdward Tomasz Napierala * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26097055e2SEdward Tomasz Napierala * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27097055e2SEdward Tomasz Napierala * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28097055e2SEdward Tomasz Napierala * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29097055e2SEdward Tomasz Napierala * SUCH DAMAGE. 30097055e2SEdward Tomasz Napierala * 31097055e2SEdward Tomasz Napierala * $FreeBSD$ 32097055e2SEdward Tomasz Napierala */ 33097055e2SEdward Tomasz Napierala 34097055e2SEdward Tomasz Napierala #include <sys/cdefs.h> 35097055e2SEdward Tomasz Napierala __FBSDID("$FreeBSD$"); 36097055e2SEdward Tomasz Napierala 3736af9869SEdward Tomasz Napierala #include "opt_sched.h" 38097055e2SEdward Tomasz Napierala 39097055e2SEdward Tomasz Napierala #include <sys/param.h> 40ae34b6ffSEdward Tomasz Napierala #include <sys/buf.h> 410e225211SAndriy Gapon #include <sys/systm.h> 42097055e2SEdward Tomasz Napierala #include <sys/eventhandler.h> 43097055e2SEdward Tomasz Napierala #include <sys/jail.h> 44097055e2SEdward Tomasz Napierala #include <sys/kernel.h> 45097055e2SEdward Tomasz Napierala #include <sys/kthread.h> 46097055e2SEdward Tomasz Napierala #include <sys/lock.h> 47097055e2SEdward Tomasz Napierala #include <sys/loginclass.h> 48097055e2SEdward Tomasz Napierala #include <sys/malloc.h> 49097055e2SEdward Tomasz Napierala #include <sys/mutex.h> 50097055e2SEdward Tomasz Napierala #include <sys/proc.h> 51097055e2SEdward Tomasz Napierala #include <sys/racct.h> 52097055e2SEdward Tomasz Napierala #include <sys/resourcevar.h> 53097055e2SEdward Tomasz Napierala #include <sys/sbuf.h> 54097055e2SEdward Tomasz Napierala #include <sys/sched.h> 55097055e2SEdward Tomasz Napierala #include <sys/sdt.h> 5636af9869SEdward Tomasz Napierala #include <sys/smp.h> 57097055e2SEdward Tomasz Napierala #include <sys/sx.h> 5836af9869SEdward Tomasz Napierala #include <sys/sysctl.h> 59097055e2SEdward Tomasz Napierala #include <sys/sysent.h> 60097055e2SEdward Tomasz Napierala #include <sys/sysproto.h> 61097055e2SEdward Tomasz Napierala #include <sys/umtx.h> 6236af9869SEdward Tomasz Napierala #include <machine/smp.h> 63097055e2SEdward Tomasz Napierala 64097055e2SEdward Tomasz Napierala #ifdef RCTL 65097055e2SEdward Tomasz Napierala #include <sys/rctl.h> 66097055e2SEdward Tomasz Napierala #endif 67097055e2SEdward Tomasz Napierala 68097055e2SEdward Tomasz Napierala #ifdef RACCT 69097055e2SEdward Tomasz Napierala 70097055e2SEdward Tomasz Napierala FEATURE(racct, "Resource Accounting"); 71097055e2SEdward Tomasz Napierala 7236af9869SEdward Tomasz Napierala /* 7336af9869SEdward Tomasz Napierala * Do not block processes that have their %cpu usage <= pcpu_threshold. 7436af9869SEdward Tomasz Napierala */ 7536af9869SEdward Tomasz Napierala static int pcpu_threshold = 1; 76ba8f0eb8SEdward Tomasz Napierala #ifdef RACCT_DEFAULT_TO_DISABLED 774b5c9cf6SEdward Tomasz Napierala int racct_enable = 0; 784b5c9cf6SEdward Tomasz Napierala #else 794b5c9cf6SEdward Tomasz Napierala int racct_enable = 1; 804b5c9cf6SEdward Tomasz Napierala #endif 8136af9869SEdward Tomasz Napierala 8236af9869SEdward Tomasz Napierala SYSCTL_NODE(_kern, OID_AUTO, racct, CTLFLAG_RW, 0, "Resource Accounting"); 834b5c9cf6SEdward Tomasz Napierala SYSCTL_UINT(_kern_racct, OID_AUTO, enable, CTLFLAG_RDTUN, &racct_enable, 844b5c9cf6SEdward Tomasz Napierala 0, "Enable RACCT/RCTL"); 8536af9869SEdward Tomasz Napierala SYSCTL_UINT(_kern_racct, OID_AUTO, pcpu_threshold, CTLFLAG_RW, &pcpu_threshold, 8636af9869SEdward Tomasz Napierala 0, "Processes with higher %cpu usage than this value can be throttled."); 8736af9869SEdward Tomasz Napierala 8836af9869SEdward Tomasz Napierala /* 8936af9869SEdward Tomasz Napierala * How many seconds it takes to use the scheduler %cpu calculations. When a 9036af9869SEdward Tomasz Napierala * process starts, we compute its %cpu usage by dividing its runtime by the 9136af9869SEdward Tomasz Napierala * process wall clock time. After RACCT_PCPU_SECS pass, we use the value 9236af9869SEdward Tomasz Napierala * provided by the scheduler. 9336af9869SEdward Tomasz Napierala */ 9436af9869SEdward Tomasz Napierala #define RACCT_PCPU_SECS 3 9536af9869SEdward Tomasz Napierala 96bbe4eb6dSEdward Tomasz Napierala struct mtx racct_lock; 97097055e2SEdward Tomasz Napierala MTX_SYSINIT(racct_lock, &racct_lock, "racct lock", MTX_DEF); 98097055e2SEdward Tomasz Napierala 99097055e2SEdward Tomasz Napierala static uma_zone_t racct_zone; 100097055e2SEdward Tomasz Napierala 101097055e2SEdward Tomasz Napierala static void racct_sub_racct(struct racct *dest, const struct racct *src); 102097055e2SEdward Tomasz Napierala static void racct_sub_cred_locked(struct ucred *cred, int resource, 103097055e2SEdward Tomasz Napierala uint64_t amount); 104097055e2SEdward Tomasz Napierala static void racct_add_cred_locked(struct ucred *cred, int resource, 105097055e2SEdward Tomasz Napierala uint64_t amount); 106097055e2SEdward Tomasz Napierala 107097055e2SEdward Tomasz Napierala SDT_PROVIDER_DEFINE(racct); 10836160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, add, 109097055e2SEdward Tomasz Napierala "struct proc *", "int", "uint64_t"); 11036160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, add__failure, 111097055e2SEdward Tomasz Napierala "struct proc *", "int", "uint64_t"); 112bbe4eb6dSEdward Tomasz Napierala SDT_PROBE_DEFINE3(racct, , rusage, add__buf, 113bbe4eb6dSEdward Tomasz Napierala "struct proc *", "const struct buf *", "int"); 11436160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, add__cred, 11536160958SMark Johnston "struct ucred *", "int", "uint64_t"); 11636160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, add__force, 11736160958SMark Johnston "struct proc *", "int", "uint64_t"); 11836160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, set, 11936160958SMark Johnston "struct proc *", "int", "uint64_t"); 12036160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, set__failure, 12136160958SMark Johnston "struct proc *", "int", "uint64_t"); 12210287198SEdward Tomasz Napierala SDT_PROBE_DEFINE3(racct, , rusage, set__force, 12310287198SEdward Tomasz Napierala "struct proc *", "int", "uint64_t"); 12436160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, sub, 12536160958SMark Johnston "struct proc *", "int", "uint64_t"); 12636160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, sub__cred, 12736160958SMark Johnston "struct ucred *", "int", "uint64_t"); 12836160958SMark Johnston SDT_PROBE_DEFINE1(racct, , racct, create, 129097055e2SEdward Tomasz Napierala "struct racct *"); 13036160958SMark Johnston SDT_PROBE_DEFINE1(racct, , racct, destroy, 13136160958SMark Johnston "struct racct *"); 13236160958SMark Johnston SDT_PROBE_DEFINE2(racct, , racct, join, 133097055e2SEdward Tomasz Napierala "struct racct *", "struct racct *"); 13436160958SMark Johnston SDT_PROBE_DEFINE2(racct, , racct, join__failure, 13536160958SMark Johnston "struct racct *", "struct racct *"); 13636160958SMark Johnston SDT_PROBE_DEFINE2(racct, , racct, leave, 13736160958SMark Johnston "struct racct *", "struct racct *"); 138097055e2SEdward Tomasz Napierala 139097055e2SEdward Tomasz Napierala int racct_types[] = { 140097055e2SEdward Tomasz Napierala [RACCT_CPU] = 14185a2f1b4SEdward Tomasz Napierala RACCT_IN_MILLIONS, 142097055e2SEdward Tomasz Napierala [RACCT_DATA] = 143097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 144097055e2SEdward Tomasz Napierala [RACCT_STACK] = 145097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 146097055e2SEdward Tomasz Napierala [RACCT_CORE] = 147097055e2SEdward Tomasz Napierala RACCT_DENIABLE, 148097055e2SEdward Tomasz Napierala [RACCT_RSS] = 149097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE, 150097055e2SEdward Tomasz Napierala [RACCT_MEMLOCK] = 151097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE, 152097055e2SEdward Tomasz Napierala [RACCT_NPROC] = 153097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE, 154097055e2SEdward Tomasz Napierala [RACCT_NOFILE] = 155097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 156097055e2SEdward Tomasz Napierala [RACCT_VMEM] = 157097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 158097055e2SEdward Tomasz Napierala [RACCT_NPTS] = 159097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 160097055e2SEdward Tomasz Napierala [RACCT_SWAP] = 161097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 162097055e2SEdward Tomasz Napierala [RACCT_NTHR] = 163097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE, 164097055e2SEdward Tomasz Napierala [RACCT_MSGQQUEUED] = 165097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 166097055e2SEdward Tomasz Napierala [RACCT_MSGQSIZE] = 167097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 168097055e2SEdward Tomasz Napierala [RACCT_NMSGQ] = 169097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 170097055e2SEdward Tomasz Napierala [RACCT_NSEM] = 171097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 172097055e2SEdward Tomasz Napierala [RACCT_NSEMOP] = 173097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 174097055e2SEdward Tomasz Napierala [RACCT_NSHM] = 175097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 176097055e2SEdward Tomasz Napierala [RACCT_SHMSIZE] = 177097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 178097055e2SEdward Tomasz Napierala [RACCT_WALLCLOCK] = 17936af9869SEdward Tomasz Napierala RACCT_IN_MILLIONS, 18036af9869SEdward Tomasz Napierala [RACCT_PCTCPU] = 181ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING | RACCT_DENIABLE | RACCT_IN_MILLIONS, 182ae34b6ffSEdward Tomasz Napierala [RACCT_READBPS] = 183ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING, 184ae34b6ffSEdward Tomasz Napierala [RACCT_WRITEBPS] = 185ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING, 186ae34b6ffSEdward Tomasz Napierala [RACCT_READIOPS] = 187ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING, 188ae34b6ffSEdward Tomasz Napierala [RACCT_WRITEIOPS] = 189ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING }; 19036af9869SEdward Tomasz Napierala 19136af9869SEdward Tomasz Napierala static const fixpt_t RACCT_DECAY_FACTOR = 0.3 * FSCALE; 19236af9869SEdward Tomasz Napierala 19336af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 19436af9869SEdward Tomasz Napierala /* 19536af9869SEdward Tomasz Napierala * Contains intermediate values for %cpu calculations to avoid using floating 19636af9869SEdward Tomasz Napierala * point in the kernel. 19736af9869SEdward Tomasz Napierala * ccpu_exp[k] = FSCALE * (ccpu/FSCALE)^k = FSCALE * exp(-k/20) 19836af9869SEdward Tomasz Napierala * It is needed only for the 4BSD scheduler, because in ULE, the ccpu equals to 19936af9869SEdward Tomasz Napierala * zero so the calculations are more straightforward. 20036af9869SEdward Tomasz Napierala */ 20136af9869SEdward Tomasz Napierala fixpt_t ccpu_exp[] = { 20236af9869SEdward Tomasz Napierala [0] = FSCALE * 1, 20336af9869SEdward Tomasz Napierala [1] = FSCALE * 0.95122942450071400909, 20436af9869SEdward Tomasz Napierala [2] = FSCALE * 0.90483741803595957316, 20536af9869SEdward Tomasz Napierala [3] = FSCALE * 0.86070797642505780722, 20636af9869SEdward Tomasz Napierala [4] = FSCALE * 0.81873075307798185866, 20736af9869SEdward Tomasz Napierala [5] = FSCALE * 0.77880078307140486824, 20836af9869SEdward Tomasz Napierala [6] = FSCALE * 0.74081822068171786606, 20936af9869SEdward Tomasz Napierala [7] = FSCALE * 0.70468808971871343435, 21036af9869SEdward Tomasz Napierala [8] = FSCALE * 0.67032004603563930074, 21136af9869SEdward Tomasz Napierala [9] = FSCALE * 0.63762815162177329314, 21236af9869SEdward Tomasz Napierala [10] = FSCALE * 0.60653065971263342360, 21336af9869SEdward Tomasz Napierala [11] = FSCALE * 0.57694981038048669531, 21436af9869SEdward Tomasz Napierala [12] = FSCALE * 0.54881163609402643262, 21536af9869SEdward Tomasz Napierala [13] = FSCALE * 0.52204577676101604789, 21636af9869SEdward Tomasz Napierala [14] = FSCALE * 0.49658530379140951470, 21736af9869SEdward Tomasz Napierala [15] = FSCALE * 0.47236655274101470713, 21836af9869SEdward Tomasz Napierala [16] = FSCALE * 0.44932896411722159143, 21936af9869SEdward Tomasz Napierala [17] = FSCALE * 0.42741493194872666992, 22036af9869SEdward Tomasz Napierala [18] = FSCALE * 0.40656965974059911188, 22136af9869SEdward Tomasz Napierala [19] = FSCALE * 0.38674102345450120691, 22236af9869SEdward Tomasz Napierala [20] = FSCALE * 0.36787944117144232159, 22336af9869SEdward Tomasz Napierala [21] = FSCALE * 0.34993774911115535467, 22436af9869SEdward Tomasz Napierala [22] = FSCALE * 0.33287108369807955328, 22536af9869SEdward Tomasz Napierala [23] = FSCALE * 0.31663676937905321821, 22636af9869SEdward Tomasz Napierala [24] = FSCALE * 0.30119421191220209664, 22736af9869SEdward Tomasz Napierala [25] = FSCALE * 0.28650479686019010032, 22836af9869SEdward Tomasz Napierala [26] = FSCALE * 0.27253179303401260312, 22936af9869SEdward Tomasz Napierala [27] = FSCALE * 0.25924026064589150757, 23036af9869SEdward Tomasz Napierala [28] = FSCALE * 0.24659696394160647693, 23136af9869SEdward Tomasz Napierala [29] = FSCALE * 0.23457028809379765313, 23236af9869SEdward Tomasz Napierala [30] = FSCALE * 0.22313016014842982893, 23336af9869SEdward Tomasz Napierala [31] = FSCALE * 0.21224797382674305771, 23436af9869SEdward Tomasz Napierala [32] = FSCALE * 0.20189651799465540848, 23536af9869SEdward Tomasz Napierala [33] = FSCALE * 0.19204990862075411423, 23636af9869SEdward Tomasz Napierala [34] = FSCALE * 0.18268352405273465022, 23736af9869SEdward Tomasz Napierala [35] = FSCALE * 0.17377394345044512668, 23836af9869SEdward Tomasz Napierala [36] = FSCALE * 0.16529888822158653829, 23936af9869SEdward Tomasz Napierala [37] = FSCALE * 0.15723716631362761621, 24036af9869SEdward Tomasz Napierala [38] = FSCALE * 0.14956861922263505264, 24136af9869SEdward Tomasz Napierala [39] = FSCALE * 0.14227407158651357185, 24236af9869SEdward Tomasz Napierala [40] = FSCALE * 0.13533528323661269189, 24336af9869SEdward Tomasz Napierala [41] = FSCALE * 0.12873490358780421886, 24436af9869SEdward Tomasz Napierala [42] = FSCALE * 0.12245642825298191021, 24536af9869SEdward Tomasz Napierala [43] = FSCALE * 0.11648415777349695786, 24636af9869SEdward Tomasz Napierala [44] = FSCALE * 0.11080315836233388333, 24736af9869SEdward Tomasz Napierala [45] = FSCALE * 0.10539922456186433678, 24836af9869SEdward Tomasz Napierala [46] = FSCALE * 0.10025884372280373372, 24936af9869SEdward Tomasz Napierala [47] = FSCALE * 0.09536916221554961888, 25036af9869SEdward Tomasz Napierala [48] = FSCALE * 0.09071795328941250337, 25136af9869SEdward Tomasz Napierala [49] = FSCALE * 0.08629358649937051097, 25236af9869SEdward Tomasz Napierala [50] = FSCALE * 0.08208499862389879516, 25336af9869SEdward Tomasz Napierala [51] = FSCALE * 0.07808166600115315231, 25436af9869SEdward Tomasz Napierala [52] = FSCALE * 0.07427357821433388042, 25536af9869SEdward Tomasz Napierala [53] = FSCALE * 0.07065121306042958674, 25636af9869SEdward Tomasz Napierala [54] = FSCALE * 0.06720551273974976512, 25736af9869SEdward Tomasz Napierala [55] = FSCALE * 0.06392786120670757270, 25836af9869SEdward Tomasz Napierala [56] = FSCALE * 0.06081006262521796499, 25936af9869SEdward Tomasz Napierala [57] = FSCALE * 0.05784432087483846296, 26036af9869SEdward Tomasz Napierala [58] = FSCALE * 0.05502322005640722902, 26136af9869SEdward Tomasz Napierala [59] = FSCALE * 0.05233970594843239308, 26236af9869SEdward Tomasz Napierala [60] = FSCALE * 0.04978706836786394297, 26336af9869SEdward Tomasz Napierala [61] = FSCALE * 0.04735892439114092119, 26436af9869SEdward Tomasz Napierala [62] = FSCALE * 0.04504920239355780606, 26536af9869SEdward Tomasz Napierala [63] = FSCALE * 0.04285212686704017991, 26636af9869SEdward Tomasz Napierala [64] = FSCALE * 0.04076220397836621516, 26736af9869SEdward Tomasz Napierala [65] = FSCALE * 0.03877420783172200988, 26836af9869SEdward Tomasz Napierala [66] = FSCALE * 0.03688316740124000544, 26936af9869SEdward Tomasz Napierala [67] = FSCALE * 0.03508435410084502588, 27036af9869SEdward Tomasz Napierala [68] = FSCALE * 0.03337326996032607948, 27136af9869SEdward Tomasz Napierala [69] = FSCALE * 0.03174563637806794323, 27236af9869SEdward Tomasz Napierala [70] = FSCALE * 0.03019738342231850073, 27336af9869SEdward Tomasz Napierala [71] = FSCALE * 0.02872463965423942912, 27436af9869SEdward Tomasz Napierala [72] = FSCALE * 0.02732372244729256080, 27536af9869SEdward Tomasz Napierala [73] = FSCALE * 0.02599112877875534358, 27636af9869SEdward Tomasz Napierala [74] = FSCALE * 0.02472352647033939120, 27736af9869SEdward Tomasz Napierala [75] = FSCALE * 0.02351774585600910823, 27836af9869SEdward Tomasz Napierala [76] = FSCALE * 0.02237077185616559577, 27936af9869SEdward Tomasz Napierala [77] = FSCALE * 0.02127973643837716938, 28036af9869SEdward Tomasz Napierala [78] = FSCALE * 0.02024191144580438847, 28136af9869SEdward Tomasz Napierala [79] = FSCALE * 0.01925470177538692429, 28236af9869SEdward Tomasz Napierala [80] = FSCALE * 0.01831563888873418029, 28336af9869SEdward Tomasz Napierala [81] = FSCALE * 0.01742237463949351138, 28436af9869SEdward Tomasz Napierala [82] = FSCALE * 0.01657267540176124754, 28536af9869SEdward Tomasz Napierala [83] = FSCALE * 0.01576441648485449082, 28636af9869SEdward Tomasz Napierala [84] = FSCALE * 0.01499557682047770621, 28736af9869SEdward Tomasz Napierala [85] = FSCALE * 0.01426423390899925527, 28836af9869SEdward Tomasz Napierala [86] = FSCALE * 0.01356855901220093175, 28936af9869SEdward Tomasz Napierala [87] = FSCALE * 0.01290681258047986886, 29036af9869SEdward Tomasz Napierala [88] = FSCALE * 0.01227733990306844117, 29136af9869SEdward Tomasz Napierala [89] = FSCALE * 0.01167856697039544521, 29236af9869SEdward Tomasz Napierala [90] = FSCALE * 0.01110899653824230649, 29336af9869SEdward Tomasz Napierala [91] = FSCALE * 0.01056720438385265337, 29436af9869SEdward Tomasz Napierala [92] = FSCALE * 0.01005183574463358164, 29536af9869SEdward Tomasz Napierala [93] = FSCALE * 0.00956160193054350793, 29636af9869SEdward Tomasz Napierala [94] = FSCALE * 0.00909527710169581709, 29736af9869SEdward Tomasz Napierala [95] = FSCALE * 0.00865169520312063417, 29836af9869SEdward Tomasz Napierala [96] = FSCALE * 0.00822974704902002884, 29936af9869SEdward Tomasz Napierala [97] = FSCALE * 0.00782837754922577143, 30036af9869SEdward Tomasz Napierala [98] = FSCALE * 0.00744658307092434051, 30136af9869SEdward Tomasz Napierala [99] = FSCALE * 0.00708340892905212004, 30236af9869SEdward Tomasz Napierala [100] = FSCALE * 0.00673794699908546709, 30336af9869SEdward Tomasz Napierala [101] = FSCALE * 0.00640933344625638184, 30436af9869SEdward Tomasz Napierala [102] = FSCALE * 0.00609674656551563610, 30536af9869SEdward Tomasz Napierala [103] = FSCALE * 0.00579940472684214321, 30636af9869SEdward Tomasz Napierala [104] = FSCALE * 0.00551656442076077241, 30736af9869SEdward Tomasz Napierala [105] = FSCALE * 0.00524751839918138427, 30836af9869SEdward Tomasz Napierala [106] = FSCALE * 0.00499159390691021621, 30936af9869SEdward Tomasz Napierala [107] = FSCALE * 0.00474815099941147558, 31036af9869SEdward Tomasz Napierala [108] = FSCALE * 0.00451658094261266798, 31136af9869SEdward Tomasz Napierala [109] = FSCALE * 0.00429630469075234057, 31236af9869SEdward Tomasz Napierala [110] = FSCALE * 0.00408677143846406699, 31336af9869SEdward Tomasz Napierala }; 31436af9869SEdward Tomasz Napierala #endif 31536af9869SEdward Tomasz Napierala 31636af9869SEdward Tomasz Napierala #define CCPU_EXP_MAX 110 31736af9869SEdward Tomasz Napierala 31836af9869SEdward Tomasz Napierala /* 31936af9869SEdward Tomasz Napierala * This function is analogical to the getpcpu() function in the ps(1) command. 32036af9869SEdward Tomasz Napierala * They should both calculate in the same way so that the racct %cpu 32136af9869SEdward Tomasz Napierala * calculations are consistent with the values showed by the ps(1) tool. 32236af9869SEdward Tomasz Napierala * The calculations are more complex in the 4BSD scheduler because of the value 32336af9869SEdward Tomasz Napierala * of the ccpu variable. In ULE it is defined to be zero which saves us some 32436af9869SEdward Tomasz Napierala * work. 32536af9869SEdward Tomasz Napierala */ 32636af9869SEdward Tomasz Napierala static uint64_t 32736af9869SEdward Tomasz Napierala racct_getpcpu(struct proc *p, u_int pcpu) 32836af9869SEdward Tomasz Napierala { 32936af9869SEdward Tomasz Napierala u_int swtime; 33036af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 33136af9869SEdward Tomasz Napierala fixpt_t pctcpu, pctcpu_next; 33236af9869SEdward Tomasz Napierala #endif 33336af9869SEdward Tomasz Napierala #ifdef SMP 33436af9869SEdward Tomasz Napierala struct pcpu *pc; 33536af9869SEdward Tomasz Napierala int found; 33636af9869SEdward Tomasz Napierala #endif 33736af9869SEdward Tomasz Napierala fixpt_t p_pctcpu; 33836af9869SEdward Tomasz Napierala struct thread *td; 33936af9869SEdward Tomasz Napierala 3404b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 3414b5c9cf6SEdward Tomasz Napierala 34236af9869SEdward Tomasz Napierala /* 34336af9869SEdward Tomasz Napierala * If the process is swapped out, we count its %cpu usage as zero. 34436af9869SEdward Tomasz Napierala * This behaviour is consistent with the userland ps(1) tool. 34536af9869SEdward Tomasz Napierala */ 34636af9869SEdward Tomasz Napierala if ((p->p_flag & P_INMEM) == 0) 34736af9869SEdward Tomasz Napierala return (0); 34836af9869SEdward Tomasz Napierala swtime = (ticks - p->p_swtick) / hz; 34936af9869SEdward Tomasz Napierala 35036af9869SEdward Tomasz Napierala /* 35136af9869SEdward Tomasz Napierala * For short-lived processes, the sched_pctcpu() returns small 35236af9869SEdward Tomasz Napierala * values even for cpu intensive processes. Therefore we use 35336af9869SEdward Tomasz Napierala * our own estimate in this case. 35436af9869SEdward Tomasz Napierala */ 35536af9869SEdward Tomasz Napierala if (swtime < RACCT_PCPU_SECS) 35636af9869SEdward Tomasz Napierala return (pcpu); 35736af9869SEdward Tomasz Napierala 35836af9869SEdward Tomasz Napierala p_pctcpu = 0; 35936af9869SEdward Tomasz Napierala FOREACH_THREAD_IN_PROC(p, td) { 36036af9869SEdward Tomasz Napierala if (td == PCPU_GET(idlethread)) 36136af9869SEdward Tomasz Napierala continue; 36236af9869SEdward Tomasz Napierala #ifdef SMP 36336af9869SEdward Tomasz Napierala found = 0; 36436af9869SEdward Tomasz Napierala STAILQ_FOREACH(pc, &cpuhead, pc_allcpu) { 36536af9869SEdward Tomasz Napierala if (td == pc->pc_idlethread) { 36636af9869SEdward Tomasz Napierala found = 1; 36736af9869SEdward Tomasz Napierala break; 36836af9869SEdward Tomasz Napierala } 36936af9869SEdward Tomasz Napierala } 37036af9869SEdward Tomasz Napierala if (found) 37136af9869SEdward Tomasz Napierala continue; 37236af9869SEdward Tomasz Napierala #endif 37336af9869SEdward Tomasz Napierala thread_lock(td); 37436af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 37536af9869SEdward Tomasz Napierala pctcpu = sched_pctcpu(td); 37636af9869SEdward Tomasz Napierala /* Count also the yet unfinished second. */ 37736af9869SEdward Tomasz Napierala pctcpu_next = (pctcpu * ccpu_exp[1]) >> FSHIFT; 37836af9869SEdward Tomasz Napierala pctcpu_next += sched_pctcpu_delta(td); 37936af9869SEdward Tomasz Napierala p_pctcpu += max(pctcpu, pctcpu_next); 38036af9869SEdward Tomasz Napierala #else 38136af9869SEdward Tomasz Napierala /* 38236af9869SEdward Tomasz Napierala * In ULE the %cpu statistics are updated on every 38336af9869SEdward Tomasz Napierala * sched_pctcpu() call. So special calculations to 38436af9869SEdward Tomasz Napierala * account for the latest (unfinished) second are 38536af9869SEdward Tomasz Napierala * not needed. 38636af9869SEdward Tomasz Napierala */ 38736af9869SEdward Tomasz Napierala p_pctcpu += sched_pctcpu(td); 38836af9869SEdward Tomasz Napierala #endif 38936af9869SEdward Tomasz Napierala thread_unlock(td); 39036af9869SEdward Tomasz Napierala } 39136af9869SEdward Tomasz Napierala 39236af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 39336af9869SEdward Tomasz Napierala if (swtime <= CCPU_EXP_MAX) 39436af9869SEdward Tomasz Napierala return ((100 * (uint64_t)p_pctcpu * 1000000) / 39536af9869SEdward Tomasz Napierala (FSCALE - ccpu_exp[swtime])); 39636af9869SEdward Tomasz Napierala #endif 39736af9869SEdward Tomasz Napierala 39836af9869SEdward Tomasz Napierala return ((100 * (uint64_t)p_pctcpu * 1000000) / FSCALE); 39936af9869SEdward Tomasz Napierala } 400097055e2SEdward Tomasz Napierala 401097055e2SEdward Tomasz Napierala static void 402097055e2SEdward Tomasz Napierala racct_add_racct(struct racct *dest, const struct racct *src) 403097055e2SEdward Tomasz Napierala { 404097055e2SEdward Tomasz Napierala int i; 405097055e2SEdward Tomasz Napierala 4064b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 4074c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 408097055e2SEdward Tomasz Napierala 409097055e2SEdward Tomasz Napierala /* 410097055e2SEdward Tomasz Napierala * Update resource usage in dest. 411097055e2SEdward Tomasz Napierala */ 412097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 413097055e2SEdward Tomasz Napierala KASSERT(dest->r_resources[i] >= 0, 414baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: dest < 0", 415baf85d0aSEdward Tomasz Napierala __func__, i)); 416097055e2SEdward Tomasz Napierala KASSERT(src->r_resources[i] >= 0, 417baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: src < 0", 418baf85d0aSEdward Tomasz Napierala __func__, i)); 419097055e2SEdward Tomasz Napierala dest->r_resources[i] += src->r_resources[i]; 420097055e2SEdward Tomasz Napierala } 421097055e2SEdward Tomasz Napierala } 422097055e2SEdward Tomasz Napierala 423097055e2SEdward Tomasz Napierala static void 424097055e2SEdward Tomasz Napierala racct_sub_racct(struct racct *dest, const struct racct *src) 425097055e2SEdward Tomasz Napierala { 426097055e2SEdward Tomasz Napierala int i; 427097055e2SEdward Tomasz Napierala 4284b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 4294c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 430097055e2SEdward Tomasz Napierala 431097055e2SEdward Tomasz Napierala /* 432097055e2SEdward Tomasz Napierala * Update resource usage in dest. 433097055e2SEdward Tomasz Napierala */ 434097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 43584c9193bSEdward Tomasz Napierala if (!RACCT_IS_SLOPPY(i) && !RACCT_IS_DECAYING(i)) { 436097055e2SEdward Tomasz Napierala KASSERT(dest->r_resources[i] >= 0, 437baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: dest < 0", 438baf85d0aSEdward Tomasz Napierala __func__, i)); 439097055e2SEdward Tomasz Napierala KASSERT(src->r_resources[i] >= 0, 440baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: src < 0", 441baf85d0aSEdward Tomasz Napierala __func__, i)); 442097055e2SEdward Tomasz Napierala KASSERT(src->r_resources[i] <= dest->r_resources[i], 443baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: src > dest", 444baf85d0aSEdward Tomasz Napierala __func__, i)); 445097055e2SEdward Tomasz Napierala } 44636af9869SEdward Tomasz Napierala if (RACCT_CAN_DROP(i)) { 447097055e2SEdward Tomasz Napierala dest->r_resources[i] -= src->r_resources[i]; 4485c939660SEdward Tomasz Napierala if (dest->r_resources[i] < 0) 449097055e2SEdward Tomasz Napierala dest->r_resources[i] = 0; 450097055e2SEdward Tomasz Napierala } 451097055e2SEdward Tomasz Napierala } 452097055e2SEdward Tomasz Napierala } 453097055e2SEdward Tomasz Napierala 454097055e2SEdward Tomasz Napierala void 455097055e2SEdward Tomasz Napierala racct_create(struct racct **racctp) 456097055e2SEdward Tomasz Napierala { 457097055e2SEdward Tomasz Napierala 4584b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 4594b5c9cf6SEdward Tomasz Napierala return; 4604b5c9cf6SEdward Tomasz Napierala 46136160958SMark Johnston SDT_PROBE1(racct, , racct, create, racctp); 462097055e2SEdward Tomasz Napierala 463097055e2SEdward Tomasz Napierala KASSERT(*racctp == NULL, ("racct already allocated")); 464097055e2SEdward Tomasz Napierala 465097055e2SEdward Tomasz Napierala *racctp = uma_zalloc(racct_zone, M_WAITOK | M_ZERO); 466097055e2SEdward Tomasz Napierala } 467097055e2SEdward Tomasz Napierala 468097055e2SEdward Tomasz Napierala static void 469097055e2SEdward Tomasz Napierala racct_destroy_locked(struct racct **racctp) 470097055e2SEdward Tomasz Napierala { 471097055e2SEdward Tomasz Napierala struct racct *racct; 472c1a43e73SEdward Tomasz Napierala int i; 473097055e2SEdward Tomasz Napierala 4744b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 4754b5c9cf6SEdward Tomasz Napierala 47636160958SMark Johnston SDT_PROBE1(racct, , racct, destroy, racctp); 477097055e2SEdward Tomasz Napierala 4784c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 479097055e2SEdward Tomasz Napierala KASSERT(racctp != NULL, ("NULL racctp")); 480097055e2SEdward Tomasz Napierala KASSERT(*racctp != NULL, ("NULL racct")); 481097055e2SEdward Tomasz Napierala 482097055e2SEdward Tomasz Napierala racct = *racctp; 483097055e2SEdward Tomasz Napierala 484097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 4854fe84775SEdward Tomasz Napierala if (RACCT_IS_SLOPPY(i)) 486097055e2SEdward Tomasz Napierala continue; 4874fe84775SEdward Tomasz Napierala if (!RACCT_IS_RECLAIMABLE(i)) 488097055e2SEdward Tomasz Napierala continue; 489097055e2SEdward Tomasz Napierala KASSERT(racct->r_resources[i] == 0, 490097055e2SEdward Tomasz Napierala ("destroying non-empty racct: " 491097055e2SEdward Tomasz Napierala "%ju allocated for resource %d\n", 492097055e2SEdward Tomasz Napierala racct->r_resources[i], i)); 493097055e2SEdward Tomasz Napierala } 494097055e2SEdward Tomasz Napierala uma_zfree(racct_zone, racct); 495097055e2SEdward Tomasz Napierala *racctp = NULL; 496097055e2SEdward Tomasz Napierala } 497097055e2SEdward Tomasz Napierala 498097055e2SEdward Tomasz Napierala void 499097055e2SEdward Tomasz Napierala racct_destroy(struct racct **racct) 500097055e2SEdward Tomasz Napierala { 501097055e2SEdward Tomasz Napierala 5024b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 5034b5c9cf6SEdward Tomasz Napierala return; 5044b5c9cf6SEdward Tomasz Napierala 5054c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 506097055e2SEdward Tomasz Napierala racct_destroy_locked(racct); 5074c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 508097055e2SEdward Tomasz Napierala } 509097055e2SEdward Tomasz Napierala 510097055e2SEdward Tomasz Napierala /* 511af1a7b25SEdward Tomasz Napierala * Increase consumption of 'resource' by 'amount' for 'racct', 512af1a7b25SEdward Tomasz Napierala * but not its parents. Differently from other cases, 'amount' here 513097055e2SEdward Tomasz Napierala * may be less than zero. 514097055e2SEdward Tomasz Napierala */ 515097055e2SEdward Tomasz Napierala static void 5163768a5dfSJeremie Le Hen racct_adjust_resource(struct racct *racct, int resource, 517a8e0740eSEdward Tomasz Napierala int64_t amount) 518097055e2SEdward Tomasz Napierala { 519097055e2SEdward Tomasz Napierala 5204b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 5214c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 522097055e2SEdward Tomasz Napierala KASSERT(racct != NULL, ("NULL racct")); 523097055e2SEdward Tomasz Napierala 524097055e2SEdward Tomasz Napierala racct->r_resources[resource] += amount; 525097055e2SEdward Tomasz Napierala if (racct->r_resources[resource] < 0) { 52636af9869SEdward Tomasz Napierala KASSERT(RACCT_IS_SLOPPY(resource) || RACCT_IS_DECAYING(resource), 527baf85d0aSEdward Tomasz Napierala ("%s: resource %d usage < 0", __func__, resource)); 528097055e2SEdward Tomasz Napierala racct->r_resources[resource] = 0; 529097055e2SEdward Tomasz Napierala } 53036af9869SEdward Tomasz Napierala 53136af9869SEdward Tomasz Napierala /* 53236af9869SEdward Tomasz Napierala * There are some cases where the racct %cpu resource would grow 53309766dd5SJosh Paetzel * beyond 100% per core. For example in racct_proc_exit() we add 53409766dd5SJosh Paetzel * the process %cpu usage to the ucred racct containers. If too 53509766dd5SJosh Paetzel * many processes terminated in a short time span, the ucred %cpu 53609766dd5SJosh Paetzel * resource could grow too much. Also, the 4BSD scheduler sometimes 53709766dd5SJosh Paetzel * returns for a thread more than 100% cpu usage. So we set a sane 53809766dd5SJosh Paetzel * boundary here to 100% * the maxumum number of CPUs. 53936af9869SEdward Tomasz Napierala */ 54036af9869SEdward Tomasz Napierala if ((resource == RACCT_PCTCPU) && 54109766dd5SJosh Paetzel (racct->r_resources[RACCT_PCTCPU] > 100 * 1000000 * (int64_t)MAXCPU)) 54209766dd5SJosh Paetzel racct->r_resources[RACCT_PCTCPU] = 100 * 1000000 * (int64_t)MAXCPU; 543097055e2SEdward Tomasz Napierala } 544097055e2SEdward Tomasz Napierala 5452d8696d1SEdward Tomasz Napierala static int 5467cea96f6SEdward Tomasz Napierala racct_add_locked(struct proc *p, int resource, uint64_t amount, int force) 547097055e2SEdward Tomasz Napierala { 548097055e2SEdward Tomasz Napierala #ifdef RCTL 549097055e2SEdward Tomasz Napierala int error; 550097055e2SEdward Tomasz Napierala #endif 551097055e2SEdward Tomasz Napierala 5524b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 5534b5c9cf6SEdward Tomasz Napierala 554097055e2SEdward Tomasz Napierala /* 555097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 556097055e2SEdward Tomasz Napierala */ 557097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 558097055e2SEdward Tomasz Napierala 559097055e2SEdward Tomasz Napierala #ifdef RCTL 560097055e2SEdward Tomasz Napierala error = rctl_enforce(p, resource, amount); 561659e7466SEdward Tomasz Napierala if (error && !force && RACCT_IS_DENIABLE(resource)) { 56236160958SMark Johnston SDT_PROBE3(racct, , rusage, add__failure, p, resource, amount); 563097055e2SEdward Tomasz Napierala return (error); 564097055e2SEdward Tomasz Napierala } 565097055e2SEdward Tomasz Napierala #endif 5663768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, amount); 567097055e2SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, resource, amount); 568097055e2SEdward Tomasz Napierala 569097055e2SEdward Tomasz Napierala return (0); 570097055e2SEdward Tomasz Napierala } 571097055e2SEdward Tomasz Napierala 5722d8696d1SEdward Tomasz Napierala /* 5732d8696d1SEdward Tomasz Napierala * Increase allocation of 'resource' by 'amount' for process 'p'. 5742d8696d1SEdward Tomasz Napierala * Return 0 if it's below limits, or errno, if it's not. 5752d8696d1SEdward Tomasz Napierala */ 5762d8696d1SEdward Tomasz Napierala int 5772d8696d1SEdward Tomasz Napierala racct_add(struct proc *p, int resource, uint64_t amount) 5782d8696d1SEdward Tomasz Napierala { 5792d8696d1SEdward Tomasz Napierala int error; 5802d8696d1SEdward Tomasz Napierala 5814b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 5824b5c9cf6SEdward Tomasz Napierala return (0); 5834b5c9cf6SEdward Tomasz Napierala 5847cea96f6SEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, add, p, resource, amount); 5857cea96f6SEdward Tomasz Napierala 5864c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 5877cea96f6SEdward Tomasz Napierala error = racct_add_locked(p, resource, amount, 0); 5884c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 5892d8696d1SEdward Tomasz Napierala return (error); 5902d8696d1SEdward Tomasz Napierala } 5912d8696d1SEdward Tomasz Napierala 5920b9f1ecbSEdward Tomasz Napierala /* 5930b9f1ecbSEdward Tomasz Napierala * Increase allocation of 'resource' by 'amount' for process 'p'. 5940b9f1ecbSEdward Tomasz Napierala * Doesn't check for limits and never fails. 5950b9f1ecbSEdward Tomasz Napierala */ 5960b9f1ecbSEdward Tomasz Napierala void 5970b9f1ecbSEdward Tomasz Napierala racct_add_force(struct proc *p, int resource, uint64_t amount) 5980b9f1ecbSEdward Tomasz Napierala { 5990b9f1ecbSEdward Tomasz Napierala 6000b9f1ecbSEdward Tomasz Napierala if (!racct_enable) 6010b9f1ecbSEdward Tomasz Napierala return; 6020b9f1ecbSEdward Tomasz Napierala 6030b9f1ecbSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, add__force, p, resource, amount); 6040b9f1ecbSEdward Tomasz Napierala 6054c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 6060b9f1ecbSEdward Tomasz Napierala racct_add_locked(p, resource, amount, 1); 6074c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 6080b9f1ecbSEdward Tomasz Napierala } 6090b9f1ecbSEdward Tomasz Napierala 610097055e2SEdward Tomasz Napierala static void 611097055e2SEdward Tomasz Napierala racct_add_cred_locked(struct ucred *cred, int resource, uint64_t amount) 612097055e2SEdward Tomasz Napierala { 613097055e2SEdward Tomasz Napierala struct prison *pr; 614097055e2SEdward Tomasz Napierala 6154b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 6164b5c9cf6SEdward Tomasz Napierala 6173768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_ruidinfo->ui_racct, resource, amount); 618097055e2SEdward Tomasz Napierala for (pr = cred->cr_prison; pr != NULL; pr = pr->pr_parent) 6193768a5dfSJeremie Le Hen racct_adjust_resource(pr->pr_prison_racct->prr_racct, resource, 620a7ad07bfSEdward Tomasz Napierala amount); 6213768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_loginclass->lc_racct, resource, amount); 622097055e2SEdward Tomasz Napierala } 623097055e2SEdward Tomasz Napierala 624097055e2SEdward Tomasz Napierala /* 625097055e2SEdward Tomasz Napierala * Increase allocation of 'resource' by 'amount' for credential 'cred'. 626097055e2SEdward Tomasz Napierala * Doesn't check for limits and never fails. 627097055e2SEdward Tomasz Napierala */ 628097055e2SEdward Tomasz Napierala void 629097055e2SEdward Tomasz Napierala racct_add_cred(struct ucred *cred, int resource, uint64_t amount) 630097055e2SEdward Tomasz Napierala { 631097055e2SEdward Tomasz Napierala 6324b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 6334b5c9cf6SEdward Tomasz Napierala return; 6344b5c9cf6SEdward Tomasz Napierala 635bbe4eb6dSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, add__cred, cred, resource, amount); 636bbe4eb6dSEdward Tomasz Napierala 6374c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 638097055e2SEdward Tomasz Napierala racct_add_cred_locked(cred, resource, amount); 6394c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 640097055e2SEdward Tomasz Napierala } 641097055e2SEdward Tomasz Napierala 642ae34b6ffSEdward Tomasz Napierala /* 643ae34b6ffSEdward Tomasz Napierala * Account for disk IO resource consumption. Checks for limits, 644ae34b6ffSEdward Tomasz Napierala * but never fails, due to disk limits being undeniable. 645ae34b6ffSEdward Tomasz Napierala */ 646ae34b6ffSEdward Tomasz Napierala void 647ae34b6ffSEdward Tomasz Napierala racct_add_buf(struct proc *p, const struct buf *bp, int is_write) 648ae34b6ffSEdward Tomasz Napierala { 649ae34b6ffSEdward Tomasz Napierala 650ae34b6ffSEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 651ae34b6ffSEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 652ae34b6ffSEdward Tomasz Napierala 653bbe4eb6dSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, add__buf, p, bp, is_write); 654bbe4eb6dSEdward Tomasz Napierala 655ae34b6ffSEdward Tomasz Napierala RACCT_LOCK(); 656ae34b6ffSEdward Tomasz Napierala if (is_write) { 657ae34b6ffSEdward Tomasz Napierala racct_add_locked(curproc, RACCT_WRITEBPS, bp->b_bcount, 1); 658ae34b6ffSEdward Tomasz Napierala racct_add_locked(curproc, RACCT_WRITEIOPS, 1, 1); 659ae34b6ffSEdward Tomasz Napierala } else { 660ae34b6ffSEdward Tomasz Napierala racct_add_locked(curproc, RACCT_READBPS, bp->b_bcount, 1); 661ae34b6ffSEdward Tomasz Napierala racct_add_locked(curproc, RACCT_READIOPS, 1, 1); 662ae34b6ffSEdward Tomasz Napierala } 663ae34b6ffSEdward Tomasz Napierala RACCT_UNLOCK(); 664ae34b6ffSEdward Tomasz Napierala } 665ae34b6ffSEdward Tomasz Napierala 666097055e2SEdward Tomasz Napierala static int 66710287198SEdward Tomasz Napierala racct_set_locked(struct proc *p, int resource, uint64_t amount, int force) 668097055e2SEdward Tomasz Napierala { 669c1a43e73SEdward Tomasz Napierala int64_t old_amount, decayed_amount, diff_proc, diff_cred; 670097055e2SEdward Tomasz Napierala #ifdef RCTL 671097055e2SEdward Tomasz Napierala int error; 672097055e2SEdward Tomasz Napierala #endif 673097055e2SEdward Tomasz Napierala 6744b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 6754b5c9cf6SEdward Tomasz Napierala 676097055e2SEdward Tomasz Napierala /* 677097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 678097055e2SEdward Tomasz Napierala */ 679097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 680097055e2SEdward Tomasz Napierala 68136af9869SEdward Tomasz Napierala old_amount = p->p_racct->r_resources[resource]; 68236af9869SEdward Tomasz Napierala /* 68336af9869SEdward Tomasz Napierala * The diffs may be negative. 68436af9869SEdward Tomasz Napierala */ 68536af9869SEdward Tomasz Napierala diff_proc = amount - old_amount; 686ae34b6ffSEdward Tomasz Napierala if (resource == RACCT_PCTCPU) { 68736af9869SEdward Tomasz Napierala /* 68836af9869SEdward Tomasz Napierala * Resources in per-credential racct containers may decay. 68936af9869SEdward Tomasz Napierala * If this is the case, we need to calculate the difference 69036af9869SEdward Tomasz Napierala * between the new amount and the proportional value of the 69136af9869SEdward Tomasz Napierala * old amount that has decayed in the ucred racct containers. 69236af9869SEdward Tomasz Napierala */ 69336af9869SEdward Tomasz Napierala decayed_amount = old_amount * RACCT_DECAY_FACTOR / FSCALE; 69436af9869SEdward Tomasz Napierala diff_cred = amount - decayed_amount; 69536af9869SEdward Tomasz Napierala } else 69636af9869SEdward Tomasz Napierala diff_cred = diff_proc; 697097055e2SEdward Tomasz Napierala #ifdef notyet 69836af9869SEdward Tomasz Napierala KASSERT(diff_proc >= 0 || RACCT_CAN_DROP(resource), 699baf85d0aSEdward Tomasz Napierala ("%s: usage of non-droppable resource %d dropping", __func__, 700097055e2SEdward Tomasz Napierala resource)); 701097055e2SEdward Tomasz Napierala #endif 702097055e2SEdward Tomasz Napierala #ifdef RCTL 703659e7466SEdward Tomasz Napierala if (diff_proc > 0) { 70436af9869SEdward Tomasz Napierala error = rctl_enforce(p, resource, diff_proc); 705659e7466SEdward Tomasz Napierala if (error && !force && RACCT_IS_DENIABLE(resource)) { 70636160958SMark Johnston SDT_PROBE3(racct, , rusage, set__failure, p, resource, 70736160958SMark Johnston amount); 708097055e2SEdward Tomasz Napierala return (error); 709097055e2SEdward Tomasz Napierala } 710097055e2SEdward Tomasz Napierala } 711097055e2SEdward Tomasz Napierala #endif 7123768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, diff_proc); 71336af9869SEdward Tomasz Napierala if (diff_cred > 0) 71436af9869SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, resource, diff_cred); 71536af9869SEdward Tomasz Napierala else if (diff_cred < 0) 71636af9869SEdward Tomasz Napierala racct_sub_cred_locked(p->p_ucred, resource, -diff_cred); 717097055e2SEdward Tomasz Napierala 718097055e2SEdward Tomasz Napierala return (0); 719097055e2SEdward Tomasz Napierala } 720097055e2SEdward Tomasz Napierala 721097055e2SEdward Tomasz Napierala /* 722097055e2SEdward Tomasz Napierala * Set allocation of 'resource' to 'amount' for process 'p'. 723097055e2SEdward Tomasz Napierala * Return 0 if it's below limits, or errno, if it's not. 724097055e2SEdward Tomasz Napierala * 725097055e2SEdward Tomasz Napierala * Note that decreasing the allocation always returns 0, 726097055e2SEdward Tomasz Napierala * even if it's above the limit. 727097055e2SEdward Tomasz Napierala */ 728097055e2SEdward Tomasz Napierala int 729097055e2SEdward Tomasz Napierala racct_set(struct proc *p, int resource, uint64_t amount) 730097055e2SEdward Tomasz Napierala { 731097055e2SEdward Tomasz Napierala int error; 732097055e2SEdward Tomasz Napierala 7334b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7344b5c9cf6SEdward Tomasz Napierala return (0); 7354b5c9cf6SEdward Tomasz Napierala 73610287198SEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, set__force, p, resource, amount); 73710287198SEdward Tomasz Napierala 7384c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 73910287198SEdward Tomasz Napierala error = racct_set_locked(p, resource, amount, 0); 7404c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 741097055e2SEdward Tomasz Napierala return (error); 742097055e2SEdward Tomasz Napierala } 743097055e2SEdward Tomasz Napierala 7440b9f1ecbSEdward Tomasz Napierala void 7450b9f1ecbSEdward Tomasz Napierala racct_set_force(struct proc *p, int resource, uint64_t amount) 7460b9f1ecbSEdward Tomasz Napierala { 7470b9f1ecbSEdward Tomasz Napierala 7480b9f1ecbSEdward Tomasz Napierala if (!racct_enable) 7490b9f1ecbSEdward Tomasz Napierala return; 7500b9f1ecbSEdward Tomasz Napierala 7510b9f1ecbSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, set, p, resource, amount); 7520b9f1ecbSEdward Tomasz Napierala 7534c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 7540b9f1ecbSEdward Tomasz Napierala racct_set_locked(p, resource, amount, 1); 7554c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 7560b9f1ecbSEdward Tomasz Napierala } 7570b9f1ecbSEdward Tomasz Napierala 758097055e2SEdward Tomasz Napierala /* 759097055e2SEdward Tomasz Napierala * Returns amount of 'resource' the process 'p' can keep allocated. 760097055e2SEdward Tomasz Napierala * Allocating more than that would be denied, unless the resource 761097055e2SEdward Tomasz Napierala * is marked undeniable. Amount of already allocated resource does 762097055e2SEdward Tomasz Napierala * not matter. 763097055e2SEdward Tomasz Napierala */ 764097055e2SEdward Tomasz Napierala uint64_t 765097055e2SEdward Tomasz Napierala racct_get_limit(struct proc *p, int resource) 766097055e2SEdward Tomasz Napierala { 767bbe4eb6dSEdward Tomasz Napierala #ifdef RCTL 768bbe4eb6dSEdward Tomasz Napierala uint64_t available; 769097055e2SEdward Tomasz Napierala 7704b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7714b5c9cf6SEdward Tomasz Napierala return (UINT64_MAX); 7724b5c9cf6SEdward Tomasz Napierala 773bbe4eb6dSEdward Tomasz Napierala RACCT_LOCK(); 774bbe4eb6dSEdward Tomasz Napierala available = rctl_get_limit(p, resource); 775bbe4eb6dSEdward Tomasz Napierala RACCT_UNLOCK(); 776bbe4eb6dSEdward Tomasz Napierala 777bbe4eb6dSEdward Tomasz Napierala return (available); 778097055e2SEdward Tomasz Napierala #else 779bbe4eb6dSEdward Tomasz Napierala 780097055e2SEdward Tomasz Napierala return (UINT64_MAX); 781097055e2SEdward Tomasz Napierala #endif 782097055e2SEdward Tomasz Napierala } 783097055e2SEdward Tomasz Napierala 784097055e2SEdward Tomasz Napierala /* 785097055e2SEdward Tomasz Napierala * Returns amount of 'resource' the process 'p' can keep allocated. 786097055e2SEdward Tomasz Napierala * Allocating more than that would be denied, unless the resource 787097055e2SEdward Tomasz Napierala * is marked undeniable. Amount of already allocated resource does 788097055e2SEdward Tomasz Napierala * matter. 789097055e2SEdward Tomasz Napierala */ 790097055e2SEdward Tomasz Napierala uint64_t 791097055e2SEdward Tomasz Napierala racct_get_available(struct proc *p, int resource) 792097055e2SEdward Tomasz Napierala { 793bbe4eb6dSEdward Tomasz Napierala #ifdef RCTL 794bbe4eb6dSEdward Tomasz Napierala uint64_t available; 795097055e2SEdward Tomasz Napierala 7964b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7974b5c9cf6SEdward Tomasz Napierala return (UINT64_MAX); 7984b5c9cf6SEdward Tomasz Napierala 799bbe4eb6dSEdward Tomasz Napierala RACCT_LOCK(); 800bbe4eb6dSEdward Tomasz Napierala available = rctl_get_available(p, resource); 801bbe4eb6dSEdward Tomasz Napierala RACCT_UNLOCK(); 802bbe4eb6dSEdward Tomasz Napierala 803bbe4eb6dSEdward Tomasz Napierala return (available); 804097055e2SEdward Tomasz Napierala #else 805bbe4eb6dSEdward Tomasz Napierala 806097055e2SEdward Tomasz Napierala return (UINT64_MAX); 807097055e2SEdward Tomasz Napierala #endif 808097055e2SEdward Tomasz Napierala } 809097055e2SEdward Tomasz Napierala 810097055e2SEdward Tomasz Napierala /* 81136af9869SEdward Tomasz Napierala * Returns amount of the %cpu resource that process 'p' can add to its %cpu 81236af9869SEdward Tomasz Napierala * utilization. Adding more than that would lead to the process being 81336af9869SEdward Tomasz Napierala * throttled. 81436af9869SEdward Tomasz Napierala */ 81536af9869SEdward Tomasz Napierala static int64_t 81636af9869SEdward Tomasz Napierala racct_pcpu_available(struct proc *p) 81736af9869SEdward Tomasz Napierala { 818bbe4eb6dSEdward Tomasz Napierala #ifdef RCTL 819bbe4eb6dSEdward Tomasz Napierala uint64_t available; 82036af9869SEdward Tomasz Napierala 8214b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 8224b5c9cf6SEdward Tomasz Napierala 823bbe4eb6dSEdward Tomasz Napierala RACCT_LOCK(); 824bbe4eb6dSEdward Tomasz Napierala available = rctl_pcpu_available(p); 825bbe4eb6dSEdward Tomasz Napierala RACCT_UNLOCK(); 826bbe4eb6dSEdward Tomasz Napierala 827bbe4eb6dSEdward Tomasz Napierala return (available); 82836af9869SEdward Tomasz Napierala #else 829bbe4eb6dSEdward Tomasz Napierala 83036af9869SEdward Tomasz Napierala return (INT64_MAX); 83136af9869SEdward Tomasz Napierala #endif 83236af9869SEdward Tomasz Napierala } 83336af9869SEdward Tomasz Napierala 83436af9869SEdward Tomasz Napierala /* 835097055e2SEdward Tomasz Napierala * Decrease allocation of 'resource' by 'amount' for process 'p'. 836097055e2SEdward Tomasz Napierala */ 837097055e2SEdward Tomasz Napierala void 838097055e2SEdward Tomasz Napierala racct_sub(struct proc *p, int resource, uint64_t amount) 839097055e2SEdward Tomasz Napierala { 840097055e2SEdward Tomasz Napierala 8414b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 8424b5c9cf6SEdward Tomasz Napierala return; 8434b5c9cf6SEdward Tomasz Napierala 84436160958SMark Johnston SDT_PROBE3(racct, , rusage, sub, p, resource, amount); 845097055e2SEdward Tomasz Napierala 846097055e2SEdward Tomasz Napierala /* 847097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 848097055e2SEdward Tomasz Napierala */ 849097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 85036af9869SEdward Tomasz Napierala KASSERT(RACCT_CAN_DROP(resource), 851baf85d0aSEdward Tomasz Napierala ("%s: called for non-droppable resource %d", __func__, resource)); 852097055e2SEdward Tomasz Napierala 8534c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 854097055e2SEdward Tomasz Napierala KASSERT(amount <= p->p_racct->r_resources[resource], 855baf85d0aSEdward Tomasz Napierala ("%s: freeing %ju of resource %d, which is more " 856baf85d0aSEdward Tomasz Napierala "than allocated %jd for %s (pid %d)", __func__, amount, resource, 857097055e2SEdward Tomasz Napierala (intmax_t)p->p_racct->r_resources[resource], p->p_comm, p->p_pid)); 858097055e2SEdward Tomasz Napierala 8593768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, -amount); 860097055e2SEdward Tomasz Napierala racct_sub_cred_locked(p->p_ucred, resource, amount); 8614c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 862097055e2SEdward Tomasz Napierala } 863097055e2SEdward Tomasz Napierala 864097055e2SEdward Tomasz Napierala static void 865097055e2SEdward Tomasz Napierala racct_sub_cred_locked(struct ucred *cred, int resource, uint64_t amount) 866097055e2SEdward Tomasz Napierala { 867097055e2SEdward Tomasz Napierala struct prison *pr; 868097055e2SEdward Tomasz Napierala 8694b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 8704b5c9cf6SEdward Tomasz Napierala 8713768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_ruidinfo->ui_racct, resource, -amount); 872097055e2SEdward Tomasz Napierala for (pr = cred->cr_prison; pr != NULL; pr = pr->pr_parent) 8733768a5dfSJeremie Le Hen racct_adjust_resource(pr->pr_prison_racct->prr_racct, resource, 874a7ad07bfSEdward Tomasz Napierala -amount); 8753768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_loginclass->lc_racct, resource, -amount); 876097055e2SEdward Tomasz Napierala } 877097055e2SEdward Tomasz Napierala 878097055e2SEdward Tomasz Napierala /* 879097055e2SEdward Tomasz Napierala * Decrease allocation of 'resource' by 'amount' for credential 'cred'. 880097055e2SEdward Tomasz Napierala */ 881097055e2SEdward Tomasz Napierala void 882097055e2SEdward Tomasz Napierala racct_sub_cred(struct ucred *cred, int resource, uint64_t amount) 883097055e2SEdward Tomasz Napierala { 884097055e2SEdward Tomasz Napierala 8854b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 8864b5c9cf6SEdward Tomasz Napierala return; 8874b5c9cf6SEdward Tomasz Napierala 888bbe4eb6dSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, sub__cred, cred, resource, amount); 889bbe4eb6dSEdward Tomasz Napierala 890bbe4eb6dSEdward Tomasz Napierala #ifdef notyet 891bbe4eb6dSEdward Tomasz Napierala KASSERT(RACCT_CAN_DROP(resource), 892bbe4eb6dSEdward Tomasz Napierala ("%s: called for resource %d which can not drop", __func__, 893bbe4eb6dSEdward Tomasz Napierala resource)); 894bbe4eb6dSEdward Tomasz Napierala #endif 895bbe4eb6dSEdward Tomasz Napierala 8964c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 897097055e2SEdward Tomasz Napierala racct_sub_cred_locked(cred, resource, amount); 8984c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 899097055e2SEdward Tomasz Napierala } 900097055e2SEdward Tomasz Napierala 901097055e2SEdward Tomasz Napierala /* 902097055e2SEdward Tomasz Napierala * Inherit resource usage information from the parent process. 903097055e2SEdward Tomasz Napierala */ 904097055e2SEdward Tomasz Napierala int 905097055e2SEdward Tomasz Napierala racct_proc_fork(struct proc *parent, struct proc *child) 906097055e2SEdward Tomasz Napierala { 907097055e2SEdward Tomasz Napierala int i, error = 0; 908097055e2SEdward Tomasz Napierala 9094b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 9104b5c9cf6SEdward Tomasz Napierala return (0); 9114b5c9cf6SEdward Tomasz Napierala 912097055e2SEdward Tomasz Napierala /* 913097055e2SEdward Tomasz Napierala * Create racct for the child process. 914097055e2SEdward Tomasz Napierala */ 915097055e2SEdward Tomasz Napierala racct_create(&child->p_racct); 916097055e2SEdward Tomasz Napierala 917097055e2SEdward Tomasz Napierala PROC_LOCK(parent); 918097055e2SEdward Tomasz Napierala PROC_LOCK(child); 9194c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 920097055e2SEdward Tomasz Napierala 921c0c09362SEdward Tomasz Napierala #ifdef RCTL 922c0c09362SEdward Tomasz Napierala error = rctl_proc_fork(parent, child); 923c0c09362SEdward Tomasz Napierala if (error != 0) 924c0c09362SEdward Tomasz Napierala goto out; 925c0c09362SEdward Tomasz Napierala #endif 926c0c09362SEdward Tomasz Napierala 92736af9869SEdward Tomasz Napierala /* Init process cpu time. */ 92836af9869SEdward Tomasz Napierala child->p_prev_runtime = 0; 92936af9869SEdward Tomasz Napierala child->p_throttled = 0; 93036af9869SEdward Tomasz Napierala 931097055e2SEdward Tomasz Napierala /* 932097055e2SEdward Tomasz Napierala * Inherit resource usage. 933097055e2SEdward Tomasz Napierala */ 934097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 935097055e2SEdward Tomasz Napierala if (parent->p_racct->r_resources[i] == 0 || 9364fe84775SEdward Tomasz Napierala !RACCT_IS_INHERITABLE(i)) 937097055e2SEdward Tomasz Napierala continue; 938097055e2SEdward Tomasz Napierala 939097055e2SEdward Tomasz Napierala error = racct_set_locked(child, i, 94010287198SEdward Tomasz Napierala parent->p_racct->r_resources[i], 0); 941ac6fafe6SEdward Tomasz Napierala if (error != 0) 942097055e2SEdward Tomasz Napierala goto out; 943097055e2SEdward Tomasz Napierala } 944097055e2SEdward Tomasz Napierala 9457cea96f6SEdward Tomasz Napierala error = racct_add_locked(child, RACCT_NPROC, 1, 0); 9467cea96f6SEdward Tomasz Napierala error += racct_add_locked(child, RACCT_NTHR, 1, 0); 9472d8696d1SEdward Tomasz Napierala 948097055e2SEdward Tomasz Napierala out: 9494c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 950097055e2SEdward Tomasz Napierala PROC_UNLOCK(child); 951097055e2SEdward Tomasz Napierala PROC_UNLOCK(parent); 952097055e2SEdward Tomasz Napierala 953ab27d5d8SEdward Tomasz Napierala if (error != 0) 954ab27d5d8SEdward Tomasz Napierala racct_proc_exit(child); 955ab27d5d8SEdward Tomasz Napierala 956097055e2SEdward Tomasz Napierala return (error); 957097055e2SEdward Tomasz Napierala } 958097055e2SEdward Tomasz Napierala 95972a401d9SEdward Tomasz Napierala /* 96072a401d9SEdward Tomasz Napierala * Called at the end of fork1(), to handle rules that require the process 96172a401d9SEdward Tomasz Napierala * to be fully initialized. 96272a401d9SEdward Tomasz Napierala */ 96372a401d9SEdward Tomasz Napierala void 96472a401d9SEdward Tomasz Napierala racct_proc_fork_done(struct proc *child) 96572a401d9SEdward Tomasz Napierala { 96672a401d9SEdward Tomasz Napierala 9674b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 9684b5c9cf6SEdward Tomasz Napierala return; 9694b5c9cf6SEdward Tomasz Napierala 970bbe4eb6dSEdward Tomasz Napierala PROC_LOCK_ASSERT(child, MA_OWNED); 971bbe4eb6dSEdward Tomasz Napierala 972bbe4eb6dSEdward Tomasz Napierala #ifdef RCTL 9734c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 97472a401d9SEdward Tomasz Napierala rctl_enforce(child, RACCT_NPROC, 0); 97572a401d9SEdward Tomasz Napierala rctl_enforce(child, RACCT_NTHR, 0); 9764c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 97772a401d9SEdward Tomasz Napierala #endif 97872a401d9SEdward Tomasz Napierala } 97972a401d9SEdward Tomasz Napierala 980097055e2SEdward Tomasz Napierala void 981097055e2SEdward Tomasz Napierala racct_proc_exit(struct proc *p) 982097055e2SEdward Tomasz Napierala { 98336af9869SEdward Tomasz Napierala struct timeval wallclock; 984c1a43e73SEdward Tomasz Napierala uint64_t pct_estimate, pct, runtime; 985c1a43e73SEdward Tomasz Napierala int i; 986097055e2SEdward Tomasz Napierala 9874b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 9884b5c9cf6SEdward Tomasz Napierala return; 9894b5c9cf6SEdward Tomasz Napierala 990097055e2SEdward Tomasz Napierala PROC_LOCK(p); 991097055e2SEdward Tomasz Napierala /* 992097055e2SEdward Tomasz Napierala * We don't need to calculate rux, proc_reap() has already done this. 993097055e2SEdward Tomasz Napierala */ 994097055e2SEdward Tomasz Napierala runtime = cputick2usec(p->p_rux.rux_runtime); 995097055e2SEdward Tomasz Napierala #ifdef notyet 996097055e2SEdward Tomasz Napierala KASSERT(runtime >= p->p_prev_runtime, ("runtime < p_prev_runtime")); 997097055e2SEdward Tomasz Napierala #else 998097055e2SEdward Tomasz Napierala if (runtime < p->p_prev_runtime) 999097055e2SEdward Tomasz Napierala runtime = p->p_prev_runtime; 1000097055e2SEdward Tomasz Napierala #endif 100136af9869SEdward Tomasz Napierala microuptime(&wallclock); 100236af9869SEdward Tomasz Napierala timevalsub(&wallclock, &p->p_stats->p_start); 100384590fd8SEdward Tomasz Napierala if (wallclock.tv_sec > 0 || wallclock.tv_usec > 0) { 100436af9869SEdward Tomasz Napierala pct_estimate = (1000000 * runtime * 100) / 100536af9869SEdward Tomasz Napierala ((uint64_t)wallclock.tv_sec * 1000000 + 100636af9869SEdward Tomasz Napierala wallclock.tv_usec); 100784590fd8SEdward Tomasz Napierala } else 100884590fd8SEdward Tomasz Napierala pct_estimate = 0; 100936af9869SEdward Tomasz Napierala pct = racct_getpcpu(p, pct_estimate); 101036af9869SEdward Tomasz Napierala 10114c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 101210287198SEdward Tomasz Napierala racct_set_locked(p, RACCT_CPU, runtime, 0); 101336af9869SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, RACCT_PCTCPU, pct); 1014097055e2SEdward Tomasz Napierala 1015937c1b07SAndriy Gapon KASSERT(p->p_racct->r_resources[RACCT_RSS] == 0, 1016937c1b07SAndriy Gapon ("process reaped with %ju allocated for RSS\n", 1017937c1b07SAndriy Gapon p->p_racct->r_resources[RACCT_RSS])); 10182419d7f9SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 10192419d7f9SEdward Tomasz Napierala if (p->p_racct->r_resources[i] == 0) 10202419d7f9SEdward Tomasz Napierala continue; 10212419d7f9SEdward Tomasz Napierala if (!RACCT_IS_RECLAIMABLE(i)) 10222419d7f9SEdward Tomasz Napierala continue; 102310287198SEdward Tomasz Napierala racct_set_locked(p, i, 0, 0); 10242419d7f9SEdward Tomasz Napierala } 10252419d7f9SEdward Tomasz Napierala 1026097055e2SEdward Tomasz Napierala #ifdef RCTL 1027097055e2SEdward Tomasz Napierala rctl_racct_release(p->p_racct); 1028097055e2SEdward Tomasz Napierala #endif 1029bbe4eb6dSEdward Tomasz Napierala racct_destroy_locked(&p->p_racct); 1030bbe4eb6dSEdward Tomasz Napierala RACCT_UNLOCK(); 1031bbe4eb6dSEdward Tomasz Napierala PROC_UNLOCK(p); 1032097055e2SEdward Tomasz Napierala } 1033097055e2SEdward Tomasz Napierala 1034097055e2SEdward Tomasz Napierala /* 1035097055e2SEdward Tomasz Napierala * Called after credentials change, to move resource utilisation 1036097055e2SEdward Tomasz Napierala * between raccts. 1037097055e2SEdward Tomasz Napierala */ 1038097055e2SEdward Tomasz Napierala void 1039097055e2SEdward Tomasz Napierala racct_proc_ucred_changed(struct proc *p, struct ucred *oldcred, 1040097055e2SEdward Tomasz Napierala struct ucred *newcred) 1041097055e2SEdward Tomasz Napierala { 1042097055e2SEdward Tomasz Napierala struct uidinfo *olduip, *newuip; 1043097055e2SEdward Tomasz Napierala struct loginclass *oldlc, *newlc; 1044097055e2SEdward Tomasz Napierala struct prison *oldpr, *newpr, *pr; 1045097055e2SEdward Tomasz Napierala 10464b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 10474b5c9cf6SEdward Tomasz Napierala return; 10484b5c9cf6SEdward Tomasz Napierala 1049*f87beb93SAndriy Gapon PROC_LOCK_ASSERT(p, MA_OWNED); 1050097055e2SEdward Tomasz Napierala 1051097055e2SEdward Tomasz Napierala newuip = newcred->cr_ruidinfo; 1052097055e2SEdward Tomasz Napierala olduip = oldcred->cr_ruidinfo; 1053097055e2SEdward Tomasz Napierala newlc = newcred->cr_loginclass; 1054097055e2SEdward Tomasz Napierala oldlc = oldcred->cr_loginclass; 1055097055e2SEdward Tomasz Napierala newpr = newcred->cr_prison; 1056097055e2SEdward Tomasz Napierala oldpr = oldcred->cr_prison; 1057097055e2SEdward Tomasz Napierala 10584c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 1059097055e2SEdward Tomasz Napierala if (newuip != olduip) { 1060097055e2SEdward Tomasz Napierala racct_sub_racct(olduip->ui_racct, p->p_racct); 1061097055e2SEdward Tomasz Napierala racct_add_racct(newuip->ui_racct, p->p_racct); 1062097055e2SEdward Tomasz Napierala } 1063097055e2SEdward Tomasz Napierala if (newlc != oldlc) { 1064097055e2SEdward Tomasz Napierala racct_sub_racct(oldlc->lc_racct, p->p_racct); 1065097055e2SEdward Tomasz Napierala racct_add_racct(newlc->lc_racct, p->p_racct); 1066097055e2SEdward Tomasz Napierala } 1067097055e2SEdward Tomasz Napierala if (newpr != oldpr) { 1068097055e2SEdward Tomasz Napierala for (pr = oldpr; pr != NULL; pr = pr->pr_parent) 1069a7ad07bfSEdward Tomasz Napierala racct_sub_racct(pr->pr_prison_racct->prr_racct, 1070a7ad07bfSEdward Tomasz Napierala p->p_racct); 1071097055e2SEdward Tomasz Napierala for (pr = newpr; pr != NULL; pr = pr->pr_parent) 1072a7ad07bfSEdward Tomasz Napierala racct_add_racct(pr->pr_prison_racct->prr_racct, 1073a7ad07bfSEdward Tomasz Napierala p->p_racct); 1074097055e2SEdward Tomasz Napierala } 10754c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 1076097055e2SEdward Tomasz Napierala } 1077097055e2SEdward Tomasz Napierala 1078c34bbd2aSEdward Tomasz Napierala void 1079c34bbd2aSEdward Tomasz Napierala racct_move(struct racct *dest, struct racct *src) 1080c34bbd2aSEdward Tomasz Napierala { 1081c34bbd2aSEdward Tomasz Napierala 10824b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 10834b5c9cf6SEdward Tomasz Napierala 10844c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 1085c34bbd2aSEdward Tomasz Napierala racct_add_racct(dest, src); 1086c34bbd2aSEdward Tomasz Napierala racct_sub_racct(src, src); 10874c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 1088c34bbd2aSEdward Tomasz Napierala } 1089c34bbd2aSEdward Tomasz Napierala 1090ae34b6ffSEdward Tomasz Napierala /* 1091ae34b6ffSEdward Tomasz Napierala * Make the process sleep in userret() for 'timeout' ticks. Setting 1092ae34b6ffSEdward Tomasz Napierala * timeout to -1 makes it sleep until woken up by racct_proc_wakeup(). 1093ae34b6ffSEdward Tomasz Napierala */ 1094ae34b6ffSEdward Tomasz Napierala void 1095ae34b6ffSEdward Tomasz Napierala racct_proc_throttle(struct proc *p, int timeout) 109636af9869SEdward Tomasz Napierala { 109736af9869SEdward Tomasz Napierala struct thread *td; 109836af9869SEdward Tomasz Napierala #ifdef SMP 109936af9869SEdward Tomasz Napierala int cpuid; 110036af9869SEdward Tomasz Napierala #endif 110136af9869SEdward Tomasz Napierala 1102ae34b6ffSEdward Tomasz Napierala KASSERT(timeout != 0, ("timeout %d", timeout)); 11034b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 110436af9869SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 110536af9869SEdward Tomasz Napierala 110636af9869SEdward Tomasz Napierala /* 110736af9869SEdward Tomasz Napierala * Do not block kernel processes. Also do not block processes with 110836af9869SEdward Tomasz Napierala * low %cpu utilization to improve interactivity. 110936af9869SEdward Tomasz Napierala */ 1110ae34b6ffSEdward Tomasz Napierala if ((p->p_flag & (P_SYSTEM | P_KPROC)) != 0) 111136af9869SEdward Tomasz Napierala return; 1112ae34b6ffSEdward Tomasz Napierala 1113ae34b6ffSEdward Tomasz Napierala if (p->p_throttled < 0 || (timeout > 0 && p->p_throttled > timeout)) 1114ae34b6ffSEdward Tomasz Napierala return; 1115ae34b6ffSEdward Tomasz Napierala 1116ae34b6ffSEdward Tomasz Napierala p->p_throttled = timeout; 111736af9869SEdward Tomasz Napierala 111836af9869SEdward Tomasz Napierala FOREACH_THREAD_IN_PROC(p, td) { 111916befafdSEdward Tomasz Napierala thread_lock(td); 112036af9869SEdward Tomasz Napierala switch (td->td_state) { 112136af9869SEdward Tomasz Napierala case TDS_RUNQ: 112236af9869SEdward Tomasz Napierala /* 112336af9869SEdward Tomasz Napierala * If the thread is on the scheduler run-queue, we can 112436af9869SEdward Tomasz Napierala * not just remove it from there. So we set the flag 112536af9869SEdward Tomasz Napierala * TDF_NEEDRESCHED for the thread, so that once it is 112636af9869SEdward Tomasz Napierala * running, it is taken off the cpu as soon as possible. 112736af9869SEdward Tomasz Napierala */ 112836af9869SEdward Tomasz Napierala td->td_flags |= TDF_NEEDRESCHED; 112936af9869SEdward Tomasz Napierala break; 113036af9869SEdward Tomasz Napierala case TDS_RUNNING: 113136af9869SEdward Tomasz Napierala /* 113236af9869SEdward Tomasz Napierala * If the thread is running, we request a context 113336af9869SEdward Tomasz Napierala * switch for it by setting the TDF_NEEDRESCHED flag. 113436af9869SEdward Tomasz Napierala */ 113536af9869SEdward Tomasz Napierala td->td_flags |= TDF_NEEDRESCHED; 113636af9869SEdward Tomasz Napierala #ifdef SMP 113736af9869SEdward Tomasz Napierala cpuid = td->td_oncpu; 113836af9869SEdward Tomasz Napierala if ((cpuid != NOCPU) && (td != curthread)) 113936af9869SEdward Tomasz Napierala ipi_cpu(cpuid, IPI_AST); 114036af9869SEdward Tomasz Napierala #endif 114136af9869SEdward Tomasz Napierala break; 114236af9869SEdward Tomasz Napierala default: 114336af9869SEdward Tomasz Napierala break; 114436af9869SEdward Tomasz Napierala } 114516befafdSEdward Tomasz Napierala thread_unlock(td); 114636af9869SEdward Tomasz Napierala } 114736af9869SEdward Tomasz Napierala } 114836af9869SEdward Tomasz Napierala 114936af9869SEdward Tomasz Napierala static void 115036af9869SEdward Tomasz Napierala racct_proc_wakeup(struct proc *p) 115136af9869SEdward Tomasz Napierala { 11524b5c9cf6SEdward Tomasz Napierala 11534b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 11544b5c9cf6SEdward Tomasz Napierala 115536af9869SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 115636af9869SEdward Tomasz Napierala 1157ae34b6ffSEdward Tomasz Napierala if (p->p_throttled != 0) { 115836af9869SEdward Tomasz Napierala p->p_throttled = 0; 115936af9869SEdward Tomasz Napierala wakeup(p->p_racct); 116036af9869SEdward Tomasz Napierala } 116136af9869SEdward Tomasz Napierala } 116236af9869SEdward Tomasz Napierala 116336af9869SEdward Tomasz Napierala static void 1164862d03fbSEdward Tomasz Napierala racct_decay_callback(struct racct *racct, void *dummy1, void *dummy2) 116536af9869SEdward Tomasz Napierala { 116636af9869SEdward Tomasz Napierala int64_t r_old, r_new; 116736af9869SEdward Tomasz Napierala 11684b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 11694c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 11704b5c9cf6SEdward Tomasz Napierala 1171ae34b6ffSEdward Tomasz Napierala #ifdef RCTL 1172ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(racct, RACCT_READBPS); 1173ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(racct, RACCT_WRITEBPS); 1174ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(racct, RACCT_READIOPS); 1175ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(racct, RACCT_WRITEIOPS); 1176ae34b6ffSEdward Tomasz Napierala #endif 1177ae34b6ffSEdward Tomasz Napierala 1178862d03fbSEdward Tomasz Napierala r_old = racct->r_resources[RACCT_PCTCPU]; 117936af9869SEdward Tomasz Napierala 118036af9869SEdward Tomasz Napierala /* If there is nothing to decay, just exit. */ 118136af9869SEdward Tomasz Napierala if (r_old <= 0) 118236af9869SEdward Tomasz Napierala return; 118336af9869SEdward Tomasz Napierala 118436af9869SEdward Tomasz Napierala r_new = r_old * RACCT_DECAY_FACTOR / FSCALE; 1185862d03fbSEdward Tomasz Napierala racct->r_resources[RACCT_PCTCPU] = r_new; 118615db3c07SEdward Tomasz Napierala } 118715db3c07SEdward Tomasz Napierala 118815db3c07SEdward Tomasz Napierala static void 118915db3c07SEdward Tomasz Napierala racct_decay_pre(void) 119015db3c07SEdward Tomasz Napierala { 119115db3c07SEdward Tomasz Napierala 11924c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 119315db3c07SEdward Tomasz Napierala } 119415db3c07SEdward Tomasz Napierala 119515db3c07SEdward Tomasz Napierala static void 119615db3c07SEdward Tomasz Napierala racct_decay_post(void) 119715db3c07SEdward Tomasz Napierala { 119815db3c07SEdward Tomasz Napierala 11994c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 120036af9869SEdward Tomasz Napierala } 120136af9869SEdward Tomasz Napierala 120236af9869SEdward Tomasz Napierala static void 1203097e0da7SEdward Tomasz Napierala racct_decay(void) 120436af9869SEdward Tomasz Napierala { 12054b5c9cf6SEdward Tomasz Napierala 12064b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 12074b5c9cf6SEdward Tomasz Napierala 1208862d03fbSEdward Tomasz Napierala ui_racct_foreach(racct_decay_callback, racct_decay_pre, 1209862d03fbSEdward Tomasz Napierala racct_decay_post, NULL, NULL); 1210862d03fbSEdward Tomasz Napierala loginclass_racct_foreach(racct_decay_callback, racct_decay_pre, 1211862d03fbSEdward Tomasz Napierala racct_decay_post, NULL, NULL); 1212862d03fbSEdward Tomasz Napierala prison_racct_foreach(racct_decay_callback, racct_decay_pre, 1213862d03fbSEdward Tomasz Napierala racct_decay_post, NULL, NULL); 121436af9869SEdward Tomasz Napierala } 121536af9869SEdward Tomasz Napierala 121636af9869SEdward Tomasz Napierala static void 1217097055e2SEdward Tomasz Napierala racctd(void) 1218097055e2SEdward Tomasz Napierala { 1219097055e2SEdward Tomasz Napierala struct thread *td; 1220097055e2SEdward Tomasz Napierala struct proc *p; 1221097055e2SEdward Tomasz Napierala struct timeval wallclock; 1222c1a43e73SEdward Tomasz Napierala uint64_t pct, pct_estimate, runtime; 1223097055e2SEdward Tomasz Napierala 12244b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 12254b5c9cf6SEdward Tomasz Napierala 1226097055e2SEdward Tomasz Napierala for (;;) { 1227862d03fbSEdward Tomasz Napierala racct_decay(); 122836af9869SEdward Tomasz Napierala 1229097055e2SEdward Tomasz Napierala sx_slock(&allproc_lock); 1230097055e2SEdward Tomasz Napierala 123136af9869SEdward Tomasz Napierala LIST_FOREACH(p, &zombproc, p_list) { 123236af9869SEdward Tomasz Napierala PROC_LOCK(p); 123336af9869SEdward Tomasz Napierala racct_set(p, RACCT_PCTCPU, 0); 123436af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 123536af9869SEdward Tomasz Napierala } 123636af9869SEdward Tomasz Napierala 1237097055e2SEdward Tomasz Napierala FOREACH_PROC_IN_SYSTEM(p) { 123836af9869SEdward Tomasz Napierala PROC_LOCK(p); 123936af9869SEdward Tomasz Napierala if (p->p_state != PRS_NORMAL) { 124036af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 1241097055e2SEdward Tomasz Napierala continue; 124236af9869SEdward Tomasz Napierala } 1243097055e2SEdward Tomasz Napierala 1244097055e2SEdward Tomasz Napierala microuptime(&wallclock); 1245097055e2SEdward Tomasz Napierala timevalsub(&wallclock, &p->p_stats->p_start); 12465c7bebf9SKonstantin Belousov PROC_STATLOCK(p); 12470a53cd57SEdward Tomasz Napierala FOREACH_THREAD_IN_PROC(p, td) 1248097055e2SEdward Tomasz Napierala ruxagg(p, td); 1249097055e2SEdward Tomasz Napierala runtime = cputick2usec(p->p_rux.rux_runtime); 12505c7bebf9SKonstantin Belousov PROC_STATUNLOCK(p); 1251097055e2SEdward Tomasz Napierala #ifdef notyet 1252097055e2SEdward Tomasz Napierala KASSERT(runtime >= p->p_prev_runtime, 1253097055e2SEdward Tomasz Napierala ("runtime < p_prev_runtime")); 1254097055e2SEdward Tomasz Napierala #else 1255097055e2SEdward Tomasz Napierala if (runtime < p->p_prev_runtime) 1256097055e2SEdward Tomasz Napierala runtime = p->p_prev_runtime; 1257097055e2SEdward Tomasz Napierala #endif 1258097055e2SEdward Tomasz Napierala p->p_prev_runtime = runtime; 125984590fd8SEdward Tomasz Napierala if (wallclock.tv_sec > 0 || wallclock.tv_usec > 0) { 126036af9869SEdward Tomasz Napierala pct_estimate = (1000000 * runtime * 100) / 126136af9869SEdward Tomasz Napierala ((uint64_t)wallclock.tv_sec * 1000000 + 126236af9869SEdward Tomasz Napierala wallclock.tv_usec); 126384590fd8SEdward Tomasz Napierala } else 126484590fd8SEdward Tomasz Napierala pct_estimate = 0; 126536af9869SEdward Tomasz Napierala pct = racct_getpcpu(p, pct_estimate); 12664c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 1267ae34b6ffSEdward Tomasz Napierala #ifdef RCTL 1268ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(p->p_racct, RACCT_READBPS); 1269ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(p->p_racct, RACCT_WRITEBPS); 1270ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(p->p_racct, RACCT_READIOPS); 1271ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(p->p_racct, RACCT_WRITEIOPS); 1272ae34b6ffSEdward Tomasz Napierala #endif 127310287198SEdward Tomasz Napierala racct_set_locked(p, RACCT_PCTCPU, pct, 1); 127410287198SEdward Tomasz Napierala racct_set_locked(p, RACCT_CPU, runtime, 0); 1275097055e2SEdward Tomasz Napierala racct_set_locked(p, RACCT_WALLCLOCK, 127659f513cdSJaakko Heinonen (uint64_t)wallclock.tv_sec * 1000000 + 127710287198SEdward Tomasz Napierala wallclock.tv_usec, 0); 12784c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 1279097055e2SEdward Tomasz Napierala PROC_UNLOCK(p); 1280097055e2SEdward Tomasz Napierala } 128136af9869SEdward Tomasz Napierala 128236af9869SEdward Tomasz Napierala /* 128336af9869SEdward Tomasz Napierala * To ensure that processes are throttled in a fair way, we need 128436af9869SEdward Tomasz Napierala * to iterate over all processes again and check the limits 128536af9869SEdward Tomasz Napierala * for %cpu resource only after ucred racct containers have been 128636af9869SEdward Tomasz Napierala * properly filled. 128736af9869SEdward Tomasz Napierala */ 128836af9869SEdward Tomasz Napierala FOREACH_PROC_IN_SYSTEM(p) { 128936af9869SEdward Tomasz Napierala PROC_LOCK(p); 129036af9869SEdward Tomasz Napierala if (p->p_state != PRS_NORMAL) { 129136af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 129236af9869SEdward Tomasz Napierala continue; 129336af9869SEdward Tomasz Napierala } 129436af9869SEdward Tomasz Napierala 1295ae34b6ffSEdward Tomasz Napierala if (racct_pcpu_available(p) <= 0) { 1296ae34b6ffSEdward Tomasz Napierala if (p->p_racct->r_resources[RACCT_PCTCPU] > 1297ae34b6ffSEdward Tomasz Napierala pcpu_threshold) 1298ae34b6ffSEdward Tomasz Napierala racct_proc_throttle(p, -1); 1299ae34b6ffSEdward Tomasz Napierala } else if (p->p_throttled == -1) { 130036af9869SEdward Tomasz Napierala racct_proc_wakeup(p); 1301ae34b6ffSEdward Tomasz Napierala } 130236af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 130336af9869SEdward Tomasz Napierala } 1304097055e2SEdward Tomasz Napierala sx_sunlock(&allproc_lock); 1305097055e2SEdward Tomasz Napierala pause("-", hz); 1306097055e2SEdward Tomasz Napierala } 1307097055e2SEdward Tomasz Napierala } 1308097055e2SEdward Tomasz Napierala 1309097055e2SEdward Tomasz Napierala static struct kproc_desc racctd_kp = { 1310097055e2SEdward Tomasz Napierala "racctd", 1311097055e2SEdward Tomasz Napierala racctd, 1312097055e2SEdward Tomasz Napierala NULL 1313097055e2SEdward Tomasz Napierala }; 13144b5c9cf6SEdward Tomasz Napierala 13154b5c9cf6SEdward Tomasz Napierala static void 13164b5c9cf6SEdward Tomasz Napierala racctd_init(void) 13174b5c9cf6SEdward Tomasz Napierala { 13184b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 13194b5c9cf6SEdward Tomasz Napierala return; 13204b5c9cf6SEdward Tomasz Napierala 13214b5c9cf6SEdward Tomasz Napierala kproc_start(&racctd_kp); 13224b5c9cf6SEdward Tomasz Napierala } 13234b5c9cf6SEdward Tomasz Napierala SYSINIT(racctd, SI_SUB_RACCTD, SI_ORDER_FIRST, racctd_init, NULL); 1324097055e2SEdward Tomasz Napierala 1325097055e2SEdward Tomasz Napierala static void 1326097055e2SEdward Tomasz Napierala racct_init(void) 1327097055e2SEdward Tomasz Napierala { 13284b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 13294b5c9cf6SEdward Tomasz Napierala return; 1330097055e2SEdward Tomasz Napierala 1331097055e2SEdward Tomasz Napierala racct_zone = uma_zcreate("racct", sizeof(struct racct), 133223e6fff2SEdward Tomasz Napierala NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); 1333097055e2SEdward Tomasz Napierala /* 1334097055e2SEdward Tomasz Napierala * XXX: Move this somewhere. 1335097055e2SEdward Tomasz Napierala */ 1336a7ad07bfSEdward Tomasz Napierala prison0.pr_prison_racct = prison_racct_find("0"); 1337097055e2SEdward Tomasz Napierala } 1338097055e2SEdward Tomasz Napierala SYSINIT(racct, SI_SUB_RACCT, SI_ORDER_FIRST, racct_init, NULL); 1339097055e2SEdward Tomasz Napierala 1340097055e2SEdward Tomasz Napierala #endif /* !RACCT */ 1341