1097055e2SEdward Tomasz Napierala /*- 2097055e2SEdward Tomasz Napierala * Copyright (c) 2010 The FreeBSD Foundation 3097055e2SEdward Tomasz Napierala * All rights reserved. 4097055e2SEdward Tomasz Napierala * 5097055e2SEdward Tomasz Napierala * This software was developed by Edward Tomasz Napierala under sponsorship 6097055e2SEdward Tomasz Napierala * from the FreeBSD Foundation. 7097055e2SEdward Tomasz Napierala * 8097055e2SEdward Tomasz Napierala * Redistribution and use in source and binary forms, with or without 9097055e2SEdward Tomasz Napierala * modification, are permitted provided that the following conditions 10097055e2SEdward Tomasz Napierala * are met: 11097055e2SEdward Tomasz Napierala * 1. Redistributions of source code must retain the above copyright 12097055e2SEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer. 13097055e2SEdward Tomasz Napierala * 2. Redistributions in binary form must reproduce the above copyright 14097055e2SEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer in the 15097055e2SEdward Tomasz Napierala * documentation and/or other materials provided with the distribution. 16097055e2SEdward Tomasz Napierala * 17097055e2SEdward Tomasz Napierala * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18097055e2SEdward Tomasz Napierala * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19097055e2SEdward Tomasz Napierala * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20097055e2SEdward Tomasz Napierala * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21097055e2SEdward Tomasz Napierala * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22097055e2SEdward Tomasz Napierala * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23097055e2SEdward Tomasz Napierala * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24097055e2SEdward Tomasz Napierala * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25097055e2SEdward Tomasz Napierala * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26097055e2SEdward Tomasz Napierala * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27097055e2SEdward Tomasz Napierala * SUCH DAMAGE. 28097055e2SEdward Tomasz Napierala * 29097055e2SEdward Tomasz Napierala * $FreeBSD$ 30097055e2SEdward Tomasz Napierala */ 31097055e2SEdward Tomasz Napierala 32097055e2SEdward Tomasz Napierala #include <sys/cdefs.h> 33097055e2SEdward Tomasz Napierala __FBSDID("$FreeBSD$"); 34097055e2SEdward Tomasz Napierala 3536af9869SEdward Tomasz Napierala #include "opt_sched.h" 36097055e2SEdward Tomasz Napierala 37097055e2SEdward Tomasz Napierala #include <sys/param.h> 38ae34b6ffSEdward Tomasz Napierala #include <sys/buf.h> 390e225211SAndriy Gapon #include <sys/systm.h> 40097055e2SEdward Tomasz Napierala #include <sys/eventhandler.h> 41097055e2SEdward Tomasz Napierala #include <sys/jail.h> 42097055e2SEdward Tomasz Napierala #include <sys/kernel.h> 43097055e2SEdward Tomasz Napierala #include <sys/kthread.h> 44097055e2SEdward Tomasz Napierala #include <sys/lock.h> 45097055e2SEdward Tomasz Napierala #include <sys/loginclass.h> 46097055e2SEdward Tomasz Napierala #include <sys/malloc.h> 47097055e2SEdward Tomasz Napierala #include <sys/mutex.h> 48097055e2SEdward Tomasz Napierala #include <sys/proc.h> 49097055e2SEdward Tomasz Napierala #include <sys/racct.h> 50097055e2SEdward Tomasz Napierala #include <sys/resourcevar.h> 51097055e2SEdward Tomasz Napierala #include <sys/sbuf.h> 52097055e2SEdward Tomasz Napierala #include <sys/sched.h> 53097055e2SEdward Tomasz Napierala #include <sys/sdt.h> 5436af9869SEdward Tomasz Napierala #include <sys/smp.h> 55097055e2SEdward Tomasz Napierala #include <sys/sx.h> 5636af9869SEdward Tomasz Napierala #include <sys/sysctl.h> 57097055e2SEdward Tomasz Napierala #include <sys/sysent.h> 58097055e2SEdward Tomasz Napierala #include <sys/sysproto.h> 59097055e2SEdward Tomasz Napierala #include <sys/umtx.h> 6036af9869SEdward Tomasz Napierala #include <machine/smp.h> 61097055e2SEdward Tomasz Napierala 62097055e2SEdward Tomasz Napierala #ifdef RCTL 63097055e2SEdward Tomasz Napierala #include <sys/rctl.h> 64097055e2SEdward Tomasz Napierala #endif 65097055e2SEdward Tomasz Napierala 66097055e2SEdward Tomasz Napierala #ifdef RACCT 67097055e2SEdward Tomasz Napierala 68097055e2SEdward Tomasz Napierala FEATURE(racct, "Resource Accounting"); 69097055e2SEdward Tomasz Napierala 7036af9869SEdward Tomasz Napierala /* 7136af9869SEdward Tomasz Napierala * Do not block processes that have their %cpu usage <= pcpu_threshold. 7236af9869SEdward Tomasz Napierala */ 7336af9869SEdward Tomasz Napierala static int pcpu_threshold = 1; 74ba8f0eb8SEdward Tomasz Napierala #ifdef RACCT_DEFAULT_TO_DISABLED 754b5c9cf6SEdward Tomasz Napierala int racct_enable = 0; 764b5c9cf6SEdward Tomasz Napierala #else 774b5c9cf6SEdward Tomasz Napierala int racct_enable = 1; 784b5c9cf6SEdward Tomasz Napierala #endif 7936af9869SEdward Tomasz Napierala 8036af9869SEdward Tomasz Napierala SYSCTL_NODE(_kern, OID_AUTO, racct, CTLFLAG_RW, 0, "Resource Accounting"); 814b5c9cf6SEdward Tomasz Napierala SYSCTL_UINT(_kern_racct, OID_AUTO, enable, CTLFLAG_RDTUN, &racct_enable, 824b5c9cf6SEdward Tomasz Napierala 0, "Enable RACCT/RCTL"); 8336af9869SEdward Tomasz Napierala SYSCTL_UINT(_kern_racct, OID_AUTO, pcpu_threshold, CTLFLAG_RW, &pcpu_threshold, 8436af9869SEdward Tomasz Napierala 0, "Processes with higher %cpu usage than this value can be throttled."); 8536af9869SEdward Tomasz Napierala 8636af9869SEdward Tomasz Napierala /* 8736af9869SEdward Tomasz Napierala * How many seconds it takes to use the scheduler %cpu calculations. When a 8836af9869SEdward Tomasz Napierala * process starts, we compute its %cpu usage by dividing its runtime by the 8936af9869SEdward Tomasz Napierala * process wall clock time. After RACCT_PCPU_SECS pass, we use the value 9036af9869SEdward Tomasz Napierala * provided by the scheduler. 9136af9869SEdward Tomasz Napierala */ 9236af9869SEdward Tomasz Napierala #define RACCT_PCPU_SECS 3 9336af9869SEdward Tomasz Napierala 94bbe4eb6dSEdward Tomasz Napierala struct mtx racct_lock; 95097055e2SEdward Tomasz Napierala MTX_SYSINIT(racct_lock, &racct_lock, "racct lock", MTX_DEF); 96097055e2SEdward Tomasz Napierala 97097055e2SEdward Tomasz Napierala static uma_zone_t racct_zone; 98097055e2SEdward Tomasz Napierala 99097055e2SEdward Tomasz Napierala static void racct_sub_racct(struct racct *dest, const struct racct *src); 100097055e2SEdward Tomasz Napierala static void racct_sub_cred_locked(struct ucred *cred, int resource, 101097055e2SEdward Tomasz Napierala uint64_t amount); 102097055e2SEdward Tomasz Napierala static void racct_add_cred_locked(struct ucred *cred, int resource, 103097055e2SEdward Tomasz Napierala uint64_t amount); 104097055e2SEdward Tomasz Napierala 105097055e2SEdward Tomasz Napierala SDT_PROVIDER_DEFINE(racct); 10636160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, add, 107097055e2SEdward Tomasz Napierala "struct proc *", "int", "uint64_t"); 10836160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, add__failure, 109097055e2SEdward Tomasz Napierala "struct proc *", "int", "uint64_t"); 110bbe4eb6dSEdward Tomasz Napierala SDT_PROBE_DEFINE3(racct, , rusage, add__buf, 111bbe4eb6dSEdward Tomasz Napierala "struct proc *", "const struct buf *", "int"); 11236160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, add__cred, 11336160958SMark Johnston "struct ucred *", "int", "uint64_t"); 11436160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, add__force, 11536160958SMark Johnston "struct proc *", "int", "uint64_t"); 11636160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, set, 11736160958SMark Johnston "struct proc *", "int", "uint64_t"); 11836160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, set__failure, 11936160958SMark Johnston "struct proc *", "int", "uint64_t"); 12010287198SEdward Tomasz Napierala SDT_PROBE_DEFINE3(racct, , rusage, set__force, 12110287198SEdward Tomasz Napierala "struct proc *", "int", "uint64_t"); 12236160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, sub, 12336160958SMark Johnston "struct proc *", "int", "uint64_t"); 12436160958SMark Johnston SDT_PROBE_DEFINE3(racct, , rusage, sub__cred, 12536160958SMark Johnston "struct ucred *", "int", "uint64_t"); 12636160958SMark Johnston SDT_PROBE_DEFINE1(racct, , racct, create, 127097055e2SEdward Tomasz Napierala "struct racct *"); 12836160958SMark Johnston SDT_PROBE_DEFINE1(racct, , racct, destroy, 12936160958SMark Johnston "struct racct *"); 13036160958SMark Johnston SDT_PROBE_DEFINE2(racct, , racct, join, 131097055e2SEdward Tomasz Napierala "struct racct *", "struct racct *"); 13236160958SMark Johnston SDT_PROBE_DEFINE2(racct, , racct, join__failure, 13336160958SMark Johnston "struct racct *", "struct racct *"); 13436160958SMark Johnston SDT_PROBE_DEFINE2(racct, , racct, leave, 13536160958SMark Johnston "struct racct *", "struct racct *"); 136097055e2SEdward Tomasz Napierala 137097055e2SEdward Tomasz Napierala int racct_types[] = { 138097055e2SEdward Tomasz Napierala [RACCT_CPU] = 13985a2f1b4SEdward Tomasz Napierala RACCT_IN_MILLIONS, 140097055e2SEdward Tomasz Napierala [RACCT_DATA] = 141097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 142097055e2SEdward Tomasz Napierala [RACCT_STACK] = 143097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 144097055e2SEdward Tomasz Napierala [RACCT_CORE] = 145097055e2SEdward Tomasz Napierala RACCT_DENIABLE, 146097055e2SEdward Tomasz Napierala [RACCT_RSS] = 147097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE, 148097055e2SEdward Tomasz Napierala [RACCT_MEMLOCK] = 149097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE, 150097055e2SEdward Tomasz Napierala [RACCT_NPROC] = 151097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE, 152097055e2SEdward Tomasz Napierala [RACCT_NOFILE] = 153097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 154097055e2SEdward Tomasz Napierala [RACCT_VMEM] = 155097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 156097055e2SEdward Tomasz Napierala [RACCT_NPTS] = 157097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 158097055e2SEdward Tomasz Napierala [RACCT_SWAP] = 159097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 160097055e2SEdward Tomasz Napierala [RACCT_NTHR] = 161097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE, 162097055e2SEdward Tomasz Napierala [RACCT_MSGQQUEUED] = 163097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 164097055e2SEdward Tomasz Napierala [RACCT_MSGQSIZE] = 165097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 166097055e2SEdward Tomasz Napierala [RACCT_NMSGQ] = 167097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 168097055e2SEdward Tomasz Napierala [RACCT_NSEM] = 169097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 170097055e2SEdward Tomasz Napierala [RACCT_NSEMOP] = 171097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 172097055e2SEdward Tomasz Napierala [RACCT_NSHM] = 173097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 174097055e2SEdward Tomasz Napierala [RACCT_SHMSIZE] = 175097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 176097055e2SEdward Tomasz Napierala [RACCT_WALLCLOCK] = 17736af9869SEdward Tomasz Napierala RACCT_IN_MILLIONS, 17836af9869SEdward Tomasz Napierala [RACCT_PCTCPU] = 179ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING | RACCT_DENIABLE | RACCT_IN_MILLIONS, 180ae34b6ffSEdward Tomasz Napierala [RACCT_READBPS] = 181ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING, 182ae34b6ffSEdward Tomasz Napierala [RACCT_WRITEBPS] = 183ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING, 184ae34b6ffSEdward Tomasz Napierala [RACCT_READIOPS] = 185ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING, 186ae34b6ffSEdward Tomasz Napierala [RACCT_WRITEIOPS] = 187ae34b6ffSEdward Tomasz Napierala RACCT_DECAYING }; 18836af9869SEdward Tomasz Napierala 18936af9869SEdward Tomasz Napierala static const fixpt_t RACCT_DECAY_FACTOR = 0.3 * FSCALE; 19036af9869SEdward Tomasz Napierala 19136af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 19236af9869SEdward Tomasz Napierala /* 19336af9869SEdward Tomasz Napierala * Contains intermediate values for %cpu calculations to avoid using floating 19436af9869SEdward Tomasz Napierala * point in the kernel. 19536af9869SEdward Tomasz Napierala * ccpu_exp[k] = FSCALE * (ccpu/FSCALE)^k = FSCALE * exp(-k/20) 19636af9869SEdward Tomasz Napierala * It is needed only for the 4BSD scheduler, because in ULE, the ccpu equals to 19736af9869SEdward Tomasz Napierala * zero so the calculations are more straightforward. 19836af9869SEdward Tomasz Napierala */ 19936af9869SEdward Tomasz Napierala fixpt_t ccpu_exp[] = { 20036af9869SEdward Tomasz Napierala [0] = FSCALE * 1, 20136af9869SEdward Tomasz Napierala [1] = FSCALE * 0.95122942450071400909, 20236af9869SEdward Tomasz Napierala [2] = FSCALE * 0.90483741803595957316, 20336af9869SEdward Tomasz Napierala [3] = FSCALE * 0.86070797642505780722, 20436af9869SEdward Tomasz Napierala [4] = FSCALE * 0.81873075307798185866, 20536af9869SEdward Tomasz Napierala [5] = FSCALE * 0.77880078307140486824, 20636af9869SEdward Tomasz Napierala [6] = FSCALE * 0.74081822068171786606, 20736af9869SEdward Tomasz Napierala [7] = FSCALE * 0.70468808971871343435, 20836af9869SEdward Tomasz Napierala [8] = FSCALE * 0.67032004603563930074, 20936af9869SEdward Tomasz Napierala [9] = FSCALE * 0.63762815162177329314, 21036af9869SEdward Tomasz Napierala [10] = FSCALE * 0.60653065971263342360, 21136af9869SEdward Tomasz Napierala [11] = FSCALE * 0.57694981038048669531, 21236af9869SEdward Tomasz Napierala [12] = FSCALE * 0.54881163609402643262, 21336af9869SEdward Tomasz Napierala [13] = FSCALE * 0.52204577676101604789, 21436af9869SEdward Tomasz Napierala [14] = FSCALE * 0.49658530379140951470, 21536af9869SEdward Tomasz Napierala [15] = FSCALE * 0.47236655274101470713, 21636af9869SEdward Tomasz Napierala [16] = FSCALE * 0.44932896411722159143, 21736af9869SEdward Tomasz Napierala [17] = FSCALE * 0.42741493194872666992, 21836af9869SEdward Tomasz Napierala [18] = FSCALE * 0.40656965974059911188, 21936af9869SEdward Tomasz Napierala [19] = FSCALE * 0.38674102345450120691, 22036af9869SEdward Tomasz Napierala [20] = FSCALE * 0.36787944117144232159, 22136af9869SEdward Tomasz Napierala [21] = FSCALE * 0.34993774911115535467, 22236af9869SEdward Tomasz Napierala [22] = FSCALE * 0.33287108369807955328, 22336af9869SEdward Tomasz Napierala [23] = FSCALE * 0.31663676937905321821, 22436af9869SEdward Tomasz Napierala [24] = FSCALE * 0.30119421191220209664, 22536af9869SEdward Tomasz Napierala [25] = FSCALE * 0.28650479686019010032, 22636af9869SEdward Tomasz Napierala [26] = FSCALE * 0.27253179303401260312, 22736af9869SEdward Tomasz Napierala [27] = FSCALE * 0.25924026064589150757, 22836af9869SEdward Tomasz Napierala [28] = FSCALE * 0.24659696394160647693, 22936af9869SEdward Tomasz Napierala [29] = FSCALE * 0.23457028809379765313, 23036af9869SEdward Tomasz Napierala [30] = FSCALE * 0.22313016014842982893, 23136af9869SEdward Tomasz Napierala [31] = FSCALE * 0.21224797382674305771, 23236af9869SEdward Tomasz Napierala [32] = FSCALE * 0.20189651799465540848, 23336af9869SEdward Tomasz Napierala [33] = FSCALE * 0.19204990862075411423, 23436af9869SEdward Tomasz Napierala [34] = FSCALE * 0.18268352405273465022, 23536af9869SEdward Tomasz Napierala [35] = FSCALE * 0.17377394345044512668, 23636af9869SEdward Tomasz Napierala [36] = FSCALE * 0.16529888822158653829, 23736af9869SEdward Tomasz Napierala [37] = FSCALE * 0.15723716631362761621, 23836af9869SEdward Tomasz Napierala [38] = FSCALE * 0.14956861922263505264, 23936af9869SEdward Tomasz Napierala [39] = FSCALE * 0.14227407158651357185, 24036af9869SEdward Tomasz Napierala [40] = FSCALE * 0.13533528323661269189, 24136af9869SEdward Tomasz Napierala [41] = FSCALE * 0.12873490358780421886, 24236af9869SEdward Tomasz Napierala [42] = FSCALE * 0.12245642825298191021, 24336af9869SEdward Tomasz Napierala [43] = FSCALE * 0.11648415777349695786, 24436af9869SEdward Tomasz Napierala [44] = FSCALE * 0.11080315836233388333, 24536af9869SEdward Tomasz Napierala [45] = FSCALE * 0.10539922456186433678, 24636af9869SEdward Tomasz Napierala [46] = FSCALE * 0.10025884372280373372, 24736af9869SEdward Tomasz Napierala [47] = FSCALE * 0.09536916221554961888, 24836af9869SEdward Tomasz Napierala [48] = FSCALE * 0.09071795328941250337, 24936af9869SEdward Tomasz Napierala [49] = FSCALE * 0.08629358649937051097, 25036af9869SEdward Tomasz Napierala [50] = FSCALE * 0.08208499862389879516, 25136af9869SEdward Tomasz Napierala [51] = FSCALE * 0.07808166600115315231, 25236af9869SEdward Tomasz Napierala [52] = FSCALE * 0.07427357821433388042, 25336af9869SEdward Tomasz Napierala [53] = FSCALE * 0.07065121306042958674, 25436af9869SEdward Tomasz Napierala [54] = FSCALE * 0.06720551273974976512, 25536af9869SEdward Tomasz Napierala [55] = FSCALE * 0.06392786120670757270, 25636af9869SEdward Tomasz Napierala [56] = FSCALE * 0.06081006262521796499, 25736af9869SEdward Tomasz Napierala [57] = FSCALE * 0.05784432087483846296, 25836af9869SEdward Tomasz Napierala [58] = FSCALE * 0.05502322005640722902, 25936af9869SEdward Tomasz Napierala [59] = FSCALE * 0.05233970594843239308, 26036af9869SEdward Tomasz Napierala [60] = FSCALE * 0.04978706836786394297, 26136af9869SEdward Tomasz Napierala [61] = FSCALE * 0.04735892439114092119, 26236af9869SEdward Tomasz Napierala [62] = FSCALE * 0.04504920239355780606, 26336af9869SEdward Tomasz Napierala [63] = FSCALE * 0.04285212686704017991, 26436af9869SEdward Tomasz Napierala [64] = FSCALE * 0.04076220397836621516, 26536af9869SEdward Tomasz Napierala [65] = FSCALE * 0.03877420783172200988, 26636af9869SEdward Tomasz Napierala [66] = FSCALE * 0.03688316740124000544, 26736af9869SEdward Tomasz Napierala [67] = FSCALE * 0.03508435410084502588, 26836af9869SEdward Tomasz Napierala [68] = FSCALE * 0.03337326996032607948, 26936af9869SEdward Tomasz Napierala [69] = FSCALE * 0.03174563637806794323, 27036af9869SEdward Tomasz Napierala [70] = FSCALE * 0.03019738342231850073, 27136af9869SEdward Tomasz Napierala [71] = FSCALE * 0.02872463965423942912, 27236af9869SEdward Tomasz Napierala [72] = FSCALE * 0.02732372244729256080, 27336af9869SEdward Tomasz Napierala [73] = FSCALE * 0.02599112877875534358, 27436af9869SEdward Tomasz Napierala [74] = FSCALE * 0.02472352647033939120, 27536af9869SEdward Tomasz Napierala [75] = FSCALE * 0.02351774585600910823, 27636af9869SEdward Tomasz Napierala [76] = FSCALE * 0.02237077185616559577, 27736af9869SEdward Tomasz Napierala [77] = FSCALE * 0.02127973643837716938, 27836af9869SEdward Tomasz Napierala [78] = FSCALE * 0.02024191144580438847, 27936af9869SEdward Tomasz Napierala [79] = FSCALE * 0.01925470177538692429, 28036af9869SEdward Tomasz Napierala [80] = FSCALE * 0.01831563888873418029, 28136af9869SEdward Tomasz Napierala [81] = FSCALE * 0.01742237463949351138, 28236af9869SEdward Tomasz Napierala [82] = FSCALE * 0.01657267540176124754, 28336af9869SEdward Tomasz Napierala [83] = FSCALE * 0.01576441648485449082, 28436af9869SEdward Tomasz Napierala [84] = FSCALE * 0.01499557682047770621, 28536af9869SEdward Tomasz Napierala [85] = FSCALE * 0.01426423390899925527, 28636af9869SEdward Tomasz Napierala [86] = FSCALE * 0.01356855901220093175, 28736af9869SEdward Tomasz Napierala [87] = FSCALE * 0.01290681258047986886, 28836af9869SEdward Tomasz Napierala [88] = FSCALE * 0.01227733990306844117, 28936af9869SEdward Tomasz Napierala [89] = FSCALE * 0.01167856697039544521, 29036af9869SEdward Tomasz Napierala [90] = FSCALE * 0.01110899653824230649, 29136af9869SEdward Tomasz Napierala [91] = FSCALE * 0.01056720438385265337, 29236af9869SEdward Tomasz Napierala [92] = FSCALE * 0.01005183574463358164, 29336af9869SEdward Tomasz Napierala [93] = FSCALE * 0.00956160193054350793, 29436af9869SEdward Tomasz Napierala [94] = FSCALE * 0.00909527710169581709, 29536af9869SEdward Tomasz Napierala [95] = FSCALE * 0.00865169520312063417, 29636af9869SEdward Tomasz Napierala [96] = FSCALE * 0.00822974704902002884, 29736af9869SEdward Tomasz Napierala [97] = FSCALE * 0.00782837754922577143, 29836af9869SEdward Tomasz Napierala [98] = FSCALE * 0.00744658307092434051, 29936af9869SEdward Tomasz Napierala [99] = FSCALE * 0.00708340892905212004, 30036af9869SEdward Tomasz Napierala [100] = FSCALE * 0.00673794699908546709, 30136af9869SEdward Tomasz Napierala [101] = FSCALE * 0.00640933344625638184, 30236af9869SEdward Tomasz Napierala [102] = FSCALE * 0.00609674656551563610, 30336af9869SEdward Tomasz Napierala [103] = FSCALE * 0.00579940472684214321, 30436af9869SEdward Tomasz Napierala [104] = FSCALE * 0.00551656442076077241, 30536af9869SEdward Tomasz Napierala [105] = FSCALE * 0.00524751839918138427, 30636af9869SEdward Tomasz Napierala [106] = FSCALE * 0.00499159390691021621, 30736af9869SEdward Tomasz Napierala [107] = FSCALE * 0.00474815099941147558, 30836af9869SEdward Tomasz Napierala [108] = FSCALE * 0.00451658094261266798, 30936af9869SEdward Tomasz Napierala [109] = FSCALE * 0.00429630469075234057, 31036af9869SEdward Tomasz Napierala [110] = FSCALE * 0.00408677143846406699, 31136af9869SEdward Tomasz Napierala }; 31236af9869SEdward Tomasz Napierala #endif 31336af9869SEdward Tomasz Napierala 31436af9869SEdward Tomasz Napierala #define CCPU_EXP_MAX 110 31536af9869SEdward Tomasz Napierala 31636af9869SEdward Tomasz Napierala /* 31736af9869SEdward Tomasz Napierala * This function is analogical to the getpcpu() function in the ps(1) command. 31836af9869SEdward Tomasz Napierala * They should both calculate in the same way so that the racct %cpu 31936af9869SEdward Tomasz Napierala * calculations are consistent with the values showed by the ps(1) tool. 32036af9869SEdward Tomasz Napierala * The calculations are more complex in the 4BSD scheduler because of the value 32136af9869SEdward Tomasz Napierala * of the ccpu variable. In ULE it is defined to be zero which saves us some 32236af9869SEdward Tomasz Napierala * work. 32336af9869SEdward Tomasz Napierala */ 32436af9869SEdward Tomasz Napierala static uint64_t 32536af9869SEdward Tomasz Napierala racct_getpcpu(struct proc *p, u_int pcpu) 32636af9869SEdward Tomasz Napierala { 32736af9869SEdward Tomasz Napierala u_int swtime; 32836af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 32936af9869SEdward Tomasz Napierala fixpt_t pctcpu, pctcpu_next; 33036af9869SEdward Tomasz Napierala #endif 33136af9869SEdward Tomasz Napierala #ifdef SMP 33236af9869SEdward Tomasz Napierala struct pcpu *pc; 33336af9869SEdward Tomasz Napierala int found; 33436af9869SEdward Tomasz Napierala #endif 33536af9869SEdward Tomasz Napierala fixpt_t p_pctcpu; 33636af9869SEdward Tomasz Napierala struct thread *td; 33736af9869SEdward Tomasz Napierala 3384b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 3394b5c9cf6SEdward Tomasz Napierala 34036af9869SEdward Tomasz Napierala /* 34136af9869SEdward Tomasz Napierala * If the process is swapped out, we count its %cpu usage as zero. 34236af9869SEdward Tomasz Napierala * This behaviour is consistent with the userland ps(1) tool. 34336af9869SEdward Tomasz Napierala */ 34436af9869SEdward Tomasz Napierala if ((p->p_flag & P_INMEM) == 0) 34536af9869SEdward Tomasz Napierala return (0); 34636af9869SEdward Tomasz Napierala swtime = (ticks - p->p_swtick) / hz; 34736af9869SEdward Tomasz Napierala 34836af9869SEdward Tomasz Napierala /* 34936af9869SEdward Tomasz Napierala * For short-lived processes, the sched_pctcpu() returns small 35036af9869SEdward Tomasz Napierala * values even for cpu intensive processes. Therefore we use 35136af9869SEdward Tomasz Napierala * our own estimate in this case. 35236af9869SEdward Tomasz Napierala */ 35336af9869SEdward Tomasz Napierala if (swtime < RACCT_PCPU_SECS) 35436af9869SEdward Tomasz Napierala return (pcpu); 35536af9869SEdward Tomasz Napierala 35636af9869SEdward Tomasz Napierala p_pctcpu = 0; 35736af9869SEdward Tomasz Napierala FOREACH_THREAD_IN_PROC(p, td) { 35836af9869SEdward Tomasz Napierala if (td == PCPU_GET(idlethread)) 35936af9869SEdward Tomasz Napierala continue; 36036af9869SEdward Tomasz Napierala #ifdef SMP 36136af9869SEdward Tomasz Napierala found = 0; 36236af9869SEdward Tomasz Napierala STAILQ_FOREACH(pc, &cpuhead, pc_allcpu) { 36336af9869SEdward Tomasz Napierala if (td == pc->pc_idlethread) { 36436af9869SEdward Tomasz Napierala found = 1; 36536af9869SEdward Tomasz Napierala break; 36636af9869SEdward Tomasz Napierala } 36736af9869SEdward Tomasz Napierala } 36836af9869SEdward Tomasz Napierala if (found) 36936af9869SEdward Tomasz Napierala continue; 37036af9869SEdward Tomasz Napierala #endif 37136af9869SEdward Tomasz Napierala thread_lock(td); 37236af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 37336af9869SEdward Tomasz Napierala pctcpu = sched_pctcpu(td); 37436af9869SEdward Tomasz Napierala /* Count also the yet unfinished second. */ 37536af9869SEdward Tomasz Napierala pctcpu_next = (pctcpu * ccpu_exp[1]) >> FSHIFT; 37636af9869SEdward Tomasz Napierala pctcpu_next += sched_pctcpu_delta(td); 37736af9869SEdward Tomasz Napierala p_pctcpu += max(pctcpu, pctcpu_next); 37836af9869SEdward Tomasz Napierala #else 37936af9869SEdward Tomasz Napierala /* 38036af9869SEdward Tomasz Napierala * In ULE the %cpu statistics are updated on every 38136af9869SEdward Tomasz Napierala * sched_pctcpu() call. So special calculations to 38236af9869SEdward Tomasz Napierala * account for the latest (unfinished) second are 38336af9869SEdward Tomasz Napierala * not needed. 38436af9869SEdward Tomasz Napierala */ 38536af9869SEdward Tomasz Napierala p_pctcpu += sched_pctcpu(td); 38636af9869SEdward Tomasz Napierala #endif 38736af9869SEdward Tomasz Napierala thread_unlock(td); 38836af9869SEdward Tomasz Napierala } 38936af9869SEdward Tomasz Napierala 39036af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 39136af9869SEdward Tomasz Napierala if (swtime <= CCPU_EXP_MAX) 39236af9869SEdward Tomasz Napierala return ((100 * (uint64_t)p_pctcpu * 1000000) / 39336af9869SEdward Tomasz Napierala (FSCALE - ccpu_exp[swtime])); 39436af9869SEdward Tomasz Napierala #endif 39536af9869SEdward Tomasz Napierala 39636af9869SEdward Tomasz Napierala return ((100 * (uint64_t)p_pctcpu * 1000000) / FSCALE); 39736af9869SEdward Tomasz Napierala } 398097055e2SEdward Tomasz Napierala 399097055e2SEdward Tomasz Napierala static void 400097055e2SEdward Tomasz Napierala racct_add_racct(struct racct *dest, const struct racct *src) 401097055e2SEdward Tomasz Napierala { 402097055e2SEdward Tomasz Napierala int i; 403097055e2SEdward Tomasz Napierala 4044b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 4054c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 406097055e2SEdward Tomasz Napierala 407097055e2SEdward Tomasz Napierala /* 408097055e2SEdward Tomasz Napierala * Update resource usage in dest. 409097055e2SEdward Tomasz Napierala */ 410097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 411097055e2SEdward Tomasz Napierala KASSERT(dest->r_resources[i] >= 0, 412baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: dest < 0", 413baf85d0aSEdward Tomasz Napierala __func__, i)); 414097055e2SEdward Tomasz Napierala KASSERT(src->r_resources[i] >= 0, 415baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: src < 0", 416baf85d0aSEdward Tomasz Napierala __func__, i)); 417097055e2SEdward Tomasz Napierala dest->r_resources[i] += src->r_resources[i]; 418097055e2SEdward Tomasz Napierala } 419097055e2SEdward Tomasz Napierala } 420097055e2SEdward Tomasz Napierala 421097055e2SEdward Tomasz Napierala static void 422097055e2SEdward Tomasz Napierala racct_sub_racct(struct racct *dest, const struct racct *src) 423097055e2SEdward Tomasz Napierala { 424097055e2SEdward Tomasz Napierala int i; 425097055e2SEdward Tomasz Napierala 4264b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 4274c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 428097055e2SEdward Tomasz Napierala 429097055e2SEdward Tomasz Napierala /* 430097055e2SEdward Tomasz Napierala * Update resource usage in dest. 431097055e2SEdward Tomasz Napierala */ 432097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 43384c9193bSEdward Tomasz Napierala if (!RACCT_IS_SLOPPY(i) && !RACCT_IS_DECAYING(i)) { 434097055e2SEdward Tomasz Napierala KASSERT(dest->r_resources[i] >= 0, 435baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: dest < 0", 436baf85d0aSEdward Tomasz Napierala __func__, i)); 437097055e2SEdward Tomasz Napierala KASSERT(src->r_resources[i] >= 0, 438baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: src < 0", 439baf85d0aSEdward Tomasz Napierala __func__, i)); 440097055e2SEdward Tomasz Napierala KASSERT(src->r_resources[i] <= dest->r_resources[i], 441baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: src > dest", 442baf85d0aSEdward Tomasz Napierala __func__, i)); 443097055e2SEdward Tomasz Napierala } 44436af9869SEdward Tomasz Napierala if (RACCT_CAN_DROP(i)) { 445097055e2SEdward Tomasz Napierala dest->r_resources[i] -= src->r_resources[i]; 446*5c939660SEdward Tomasz Napierala if (dest->r_resources[i] < 0) 447097055e2SEdward Tomasz Napierala dest->r_resources[i] = 0; 448097055e2SEdward Tomasz Napierala } 449097055e2SEdward Tomasz Napierala } 450097055e2SEdward Tomasz Napierala } 451097055e2SEdward Tomasz Napierala 452097055e2SEdward Tomasz Napierala void 453097055e2SEdward Tomasz Napierala racct_create(struct racct **racctp) 454097055e2SEdward Tomasz Napierala { 455097055e2SEdward Tomasz Napierala 4564b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 4574b5c9cf6SEdward Tomasz Napierala return; 4584b5c9cf6SEdward Tomasz Napierala 45936160958SMark Johnston SDT_PROBE1(racct, , racct, create, racctp); 460097055e2SEdward Tomasz Napierala 461097055e2SEdward Tomasz Napierala KASSERT(*racctp == NULL, ("racct already allocated")); 462097055e2SEdward Tomasz Napierala 463097055e2SEdward Tomasz Napierala *racctp = uma_zalloc(racct_zone, M_WAITOK | M_ZERO); 464097055e2SEdward Tomasz Napierala } 465097055e2SEdward Tomasz Napierala 466097055e2SEdward Tomasz Napierala static void 467097055e2SEdward Tomasz Napierala racct_destroy_locked(struct racct **racctp) 468097055e2SEdward Tomasz Napierala { 469097055e2SEdward Tomasz Napierala struct racct *racct; 470c1a43e73SEdward Tomasz Napierala int i; 471097055e2SEdward Tomasz Napierala 4724b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 4734b5c9cf6SEdward Tomasz Napierala 47436160958SMark Johnston SDT_PROBE1(racct, , racct, destroy, racctp); 475097055e2SEdward Tomasz Napierala 4764c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 477097055e2SEdward Tomasz Napierala KASSERT(racctp != NULL, ("NULL racctp")); 478097055e2SEdward Tomasz Napierala KASSERT(*racctp != NULL, ("NULL racct")); 479097055e2SEdward Tomasz Napierala 480097055e2SEdward Tomasz Napierala racct = *racctp; 481097055e2SEdward Tomasz Napierala 482097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 4834fe84775SEdward Tomasz Napierala if (RACCT_IS_SLOPPY(i)) 484097055e2SEdward Tomasz Napierala continue; 4854fe84775SEdward Tomasz Napierala if (!RACCT_IS_RECLAIMABLE(i)) 486097055e2SEdward Tomasz Napierala continue; 487097055e2SEdward Tomasz Napierala KASSERT(racct->r_resources[i] == 0, 488097055e2SEdward Tomasz Napierala ("destroying non-empty racct: " 489097055e2SEdward Tomasz Napierala "%ju allocated for resource %d\n", 490097055e2SEdward Tomasz Napierala racct->r_resources[i], i)); 491097055e2SEdward Tomasz Napierala } 492097055e2SEdward Tomasz Napierala uma_zfree(racct_zone, racct); 493097055e2SEdward Tomasz Napierala *racctp = NULL; 494097055e2SEdward Tomasz Napierala } 495097055e2SEdward Tomasz Napierala 496097055e2SEdward Tomasz Napierala void 497097055e2SEdward Tomasz Napierala racct_destroy(struct racct **racct) 498097055e2SEdward Tomasz Napierala { 499097055e2SEdward Tomasz Napierala 5004b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 5014b5c9cf6SEdward Tomasz Napierala return; 5024b5c9cf6SEdward Tomasz Napierala 5034c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 504097055e2SEdward Tomasz Napierala racct_destroy_locked(racct); 5054c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 506097055e2SEdward Tomasz Napierala } 507097055e2SEdward Tomasz Napierala 508097055e2SEdward Tomasz Napierala /* 509af1a7b25SEdward Tomasz Napierala * Increase consumption of 'resource' by 'amount' for 'racct', 510af1a7b25SEdward Tomasz Napierala * but not its parents. Differently from other cases, 'amount' here 511097055e2SEdward Tomasz Napierala * may be less than zero. 512097055e2SEdward Tomasz Napierala */ 513097055e2SEdward Tomasz Napierala static void 5143768a5dfSJeremie Le Hen racct_adjust_resource(struct racct *racct, int resource, 515a8e0740eSEdward Tomasz Napierala int64_t amount) 516097055e2SEdward Tomasz Napierala { 517097055e2SEdward Tomasz Napierala 5184b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 5194c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 520097055e2SEdward Tomasz Napierala KASSERT(racct != NULL, ("NULL racct")); 521097055e2SEdward Tomasz Napierala 522097055e2SEdward Tomasz Napierala racct->r_resources[resource] += amount; 523097055e2SEdward Tomasz Napierala if (racct->r_resources[resource] < 0) { 52436af9869SEdward Tomasz Napierala KASSERT(RACCT_IS_SLOPPY(resource) || RACCT_IS_DECAYING(resource), 525baf85d0aSEdward Tomasz Napierala ("%s: resource %d usage < 0", __func__, resource)); 526097055e2SEdward Tomasz Napierala racct->r_resources[resource] = 0; 527097055e2SEdward Tomasz Napierala } 52836af9869SEdward Tomasz Napierala 52936af9869SEdward Tomasz Napierala /* 53036af9869SEdward Tomasz Napierala * There are some cases where the racct %cpu resource would grow 53109766dd5SJosh Paetzel * beyond 100% per core. For example in racct_proc_exit() we add 53209766dd5SJosh Paetzel * the process %cpu usage to the ucred racct containers. If too 53309766dd5SJosh Paetzel * many processes terminated in a short time span, the ucred %cpu 53409766dd5SJosh Paetzel * resource could grow too much. Also, the 4BSD scheduler sometimes 53509766dd5SJosh Paetzel * returns for a thread more than 100% cpu usage. So we set a sane 53609766dd5SJosh Paetzel * boundary here to 100% * the maxumum number of CPUs. 53736af9869SEdward Tomasz Napierala */ 53836af9869SEdward Tomasz Napierala if ((resource == RACCT_PCTCPU) && 53909766dd5SJosh Paetzel (racct->r_resources[RACCT_PCTCPU] > 100 * 1000000 * (int64_t)MAXCPU)) 54009766dd5SJosh Paetzel racct->r_resources[RACCT_PCTCPU] = 100 * 1000000 * (int64_t)MAXCPU; 541097055e2SEdward Tomasz Napierala } 542097055e2SEdward Tomasz Napierala 5432d8696d1SEdward Tomasz Napierala static int 5447cea96f6SEdward Tomasz Napierala racct_add_locked(struct proc *p, int resource, uint64_t amount, int force) 545097055e2SEdward Tomasz Napierala { 546097055e2SEdward Tomasz Napierala #ifdef RCTL 547097055e2SEdward Tomasz Napierala int error; 548097055e2SEdward Tomasz Napierala #endif 549097055e2SEdward Tomasz Napierala 5504b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 5514b5c9cf6SEdward Tomasz Napierala 552097055e2SEdward Tomasz Napierala /* 553097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 554097055e2SEdward Tomasz Napierala */ 555097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 556097055e2SEdward Tomasz Napierala 557097055e2SEdward Tomasz Napierala #ifdef RCTL 558097055e2SEdward Tomasz Napierala error = rctl_enforce(p, resource, amount); 559659e7466SEdward Tomasz Napierala if (error && !force && RACCT_IS_DENIABLE(resource)) { 56036160958SMark Johnston SDT_PROBE3(racct, , rusage, add__failure, p, resource, amount); 561097055e2SEdward Tomasz Napierala return (error); 562097055e2SEdward Tomasz Napierala } 563097055e2SEdward Tomasz Napierala #endif 5643768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, amount); 565097055e2SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, resource, amount); 566097055e2SEdward Tomasz Napierala 567097055e2SEdward Tomasz Napierala return (0); 568097055e2SEdward Tomasz Napierala } 569097055e2SEdward Tomasz Napierala 5702d8696d1SEdward Tomasz Napierala /* 5712d8696d1SEdward Tomasz Napierala * Increase allocation of 'resource' by 'amount' for process 'p'. 5722d8696d1SEdward Tomasz Napierala * Return 0 if it's below limits, or errno, if it's not. 5732d8696d1SEdward Tomasz Napierala */ 5742d8696d1SEdward Tomasz Napierala int 5752d8696d1SEdward Tomasz Napierala racct_add(struct proc *p, int resource, uint64_t amount) 5762d8696d1SEdward Tomasz Napierala { 5772d8696d1SEdward Tomasz Napierala int error; 5782d8696d1SEdward Tomasz Napierala 5794b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 5804b5c9cf6SEdward Tomasz Napierala return (0); 5814b5c9cf6SEdward Tomasz Napierala 5827cea96f6SEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, add, p, resource, amount); 5837cea96f6SEdward Tomasz Napierala 5844c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 5857cea96f6SEdward Tomasz Napierala error = racct_add_locked(p, resource, amount, 0); 5864c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 5872d8696d1SEdward Tomasz Napierala return (error); 5882d8696d1SEdward Tomasz Napierala } 5892d8696d1SEdward Tomasz Napierala 5900b9f1ecbSEdward Tomasz Napierala /* 5910b9f1ecbSEdward Tomasz Napierala * Increase allocation of 'resource' by 'amount' for process 'p'. 5920b9f1ecbSEdward Tomasz Napierala * Doesn't check for limits and never fails. 5930b9f1ecbSEdward Tomasz Napierala */ 5940b9f1ecbSEdward Tomasz Napierala void 5950b9f1ecbSEdward Tomasz Napierala racct_add_force(struct proc *p, int resource, uint64_t amount) 5960b9f1ecbSEdward Tomasz Napierala { 5970b9f1ecbSEdward Tomasz Napierala 5980b9f1ecbSEdward Tomasz Napierala if (!racct_enable) 5990b9f1ecbSEdward Tomasz Napierala return; 6000b9f1ecbSEdward Tomasz Napierala 6010b9f1ecbSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, add__force, p, resource, amount); 6020b9f1ecbSEdward Tomasz Napierala 6034c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 6040b9f1ecbSEdward Tomasz Napierala racct_add_locked(p, resource, amount, 1); 6054c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 6060b9f1ecbSEdward Tomasz Napierala } 6070b9f1ecbSEdward Tomasz Napierala 608097055e2SEdward Tomasz Napierala static void 609097055e2SEdward Tomasz Napierala racct_add_cred_locked(struct ucred *cred, int resource, uint64_t amount) 610097055e2SEdward Tomasz Napierala { 611097055e2SEdward Tomasz Napierala struct prison *pr; 612097055e2SEdward Tomasz Napierala 6134b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 6144b5c9cf6SEdward Tomasz Napierala 6153768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_ruidinfo->ui_racct, resource, amount); 616097055e2SEdward Tomasz Napierala for (pr = cred->cr_prison; pr != NULL; pr = pr->pr_parent) 6173768a5dfSJeremie Le Hen racct_adjust_resource(pr->pr_prison_racct->prr_racct, resource, 618a7ad07bfSEdward Tomasz Napierala amount); 6193768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_loginclass->lc_racct, resource, amount); 620097055e2SEdward Tomasz Napierala } 621097055e2SEdward Tomasz Napierala 622097055e2SEdward Tomasz Napierala /* 623097055e2SEdward Tomasz Napierala * Increase allocation of 'resource' by 'amount' for credential 'cred'. 624097055e2SEdward Tomasz Napierala * Doesn't check for limits and never fails. 625097055e2SEdward Tomasz Napierala */ 626097055e2SEdward Tomasz Napierala void 627097055e2SEdward Tomasz Napierala racct_add_cred(struct ucred *cred, int resource, uint64_t amount) 628097055e2SEdward Tomasz Napierala { 629097055e2SEdward Tomasz Napierala 6304b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 6314b5c9cf6SEdward Tomasz Napierala return; 6324b5c9cf6SEdward Tomasz Napierala 633bbe4eb6dSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, add__cred, cred, resource, amount); 634bbe4eb6dSEdward Tomasz Napierala 6354c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 636097055e2SEdward Tomasz Napierala racct_add_cred_locked(cred, resource, amount); 6374c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 638097055e2SEdward Tomasz Napierala } 639097055e2SEdward Tomasz Napierala 640ae34b6ffSEdward Tomasz Napierala /* 641ae34b6ffSEdward Tomasz Napierala * Account for disk IO resource consumption. Checks for limits, 642ae34b6ffSEdward Tomasz Napierala * but never fails, due to disk limits being undeniable. 643ae34b6ffSEdward Tomasz Napierala */ 644ae34b6ffSEdward Tomasz Napierala void 645ae34b6ffSEdward Tomasz Napierala racct_add_buf(struct proc *p, const struct buf *bp, int is_write) 646ae34b6ffSEdward Tomasz Napierala { 647ae34b6ffSEdward Tomasz Napierala 648ae34b6ffSEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 649ae34b6ffSEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 650ae34b6ffSEdward Tomasz Napierala 651bbe4eb6dSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, add__buf, p, bp, is_write); 652bbe4eb6dSEdward Tomasz Napierala 653ae34b6ffSEdward Tomasz Napierala RACCT_LOCK(); 654ae34b6ffSEdward Tomasz Napierala if (is_write) { 655ae34b6ffSEdward Tomasz Napierala racct_add_locked(curproc, RACCT_WRITEBPS, bp->b_bcount, 1); 656ae34b6ffSEdward Tomasz Napierala racct_add_locked(curproc, RACCT_WRITEIOPS, 1, 1); 657ae34b6ffSEdward Tomasz Napierala } else { 658ae34b6ffSEdward Tomasz Napierala racct_add_locked(curproc, RACCT_READBPS, bp->b_bcount, 1); 659ae34b6ffSEdward Tomasz Napierala racct_add_locked(curproc, RACCT_READIOPS, 1, 1); 660ae34b6ffSEdward Tomasz Napierala } 661ae34b6ffSEdward Tomasz Napierala RACCT_UNLOCK(); 662ae34b6ffSEdward Tomasz Napierala } 663ae34b6ffSEdward Tomasz Napierala 664097055e2SEdward Tomasz Napierala static int 66510287198SEdward Tomasz Napierala racct_set_locked(struct proc *p, int resource, uint64_t amount, int force) 666097055e2SEdward Tomasz Napierala { 667c1a43e73SEdward Tomasz Napierala int64_t old_amount, decayed_amount, diff_proc, diff_cred; 668097055e2SEdward Tomasz Napierala #ifdef RCTL 669097055e2SEdward Tomasz Napierala int error; 670097055e2SEdward Tomasz Napierala #endif 671097055e2SEdward Tomasz Napierala 6724b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 6734b5c9cf6SEdward Tomasz Napierala 674097055e2SEdward Tomasz Napierala /* 675097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 676097055e2SEdward Tomasz Napierala */ 677097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 678097055e2SEdward Tomasz Napierala 67936af9869SEdward Tomasz Napierala old_amount = p->p_racct->r_resources[resource]; 68036af9869SEdward Tomasz Napierala /* 68136af9869SEdward Tomasz Napierala * The diffs may be negative. 68236af9869SEdward Tomasz Napierala */ 68336af9869SEdward Tomasz Napierala diff_proc = amount - old_amount; 684ae34b6ffSEdward Tomasz Napierala if (resource == RACCT_PCTCPU) { 68536af9869SEdward Tomasz Napierala /* 68636af9869SEdward Tomasz Napierala * Resources in per-credential racct containers may decay. 68736af9869SEdward Tomasz Napierala * If this is the case, we need to calculate the difference 68836af9869SEdward Tomasz Napierala * between the new amount and the proportional value of the 68936af9869SEdward Tomasz Napierala * old amount that has decayed in the ucred racct containers. 69036af9869SEdward Tomasz Napierala */ 69136af9869SEdward Tomasz Napierala decayed_amount = old_amount * RACCT_DECAY_FACTOR / FSCALE; 69236af9869SEdward Tomasz Napierala diff_cred = amount - decayed_amount; 69336af9869SEdward Tomasz Napierala } else 69436af9869SEdward Tomasz Napierala diff_cred = diff_proc; 695097055e2SEdward Tomasz Napierala #ifdef notyet 69636af9869SEdward Tomasz Napierala KASSERT(diff_proc >= 0 || RACCT_CAN_DROP(resource), 697baf85d0aSEdward Tomasz Napierala ("%s: usage of non-droppable resource %d dropping", __func__, 698097055e2SEdward Tomasz Napierala resource)); 699097055e2SEdward Tomasz Napierala #endif 700097055e2SEdward Tomasz Napierala #ifdef RCTL 701659e7466SEdward Tomasz Napierala if (diff_proc > 0) { 70236af9869SEdward Tomasz Napierala error = rctl_enforce(p, resource, diff_proc); 703659e7466SEdward Tomasz Napierala if (error && !force && RACCT_IS_DENIABLE(resource)) { 70436160958SMark Johnston SDT_PROBE3(racct, , rusage, set__failure, p, resource, 70536160958SMark Johnston amount); 706097055e2SEdward Tomasz Napierala return (error); 707097055e2SEdward Tomasz Napierala } 708097055e2SEdward Tomasz Napierala } 709097055e2SEdward Tomasz Napierala #endif 7103768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, diff_proc); 71136af9869SEdward Tomasz Napierala if (diff_cred > 0) 71236af9869SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, resource, diff_cred); 71336af9869SEdward Tomasz Napierala else if (diff_cred < 0) 71436af9869SEdward Tomasz Napierala racct_sub_cred_locked(p->p_ucred, resource, -diff_cred); 715097055e2SEdward Tomasz Napierala 716097055e2SEdward Tomasz Napierala return (0); 717097055e2SEdward Tomasz Napierala } 718097055e2SEdward Tomasz Napierala 719097055e2SEdward Tomasz Napierala /* 720097055e2SEdward Tomasz Napierala * Set allocation of 'resource' to 'amount' for process 'p'. 721097055e2SEdward Tomasz Napierala * Return 0 if it's below limits, or errno, if it's not. 722097055e2SEdward Tomasz Napierala * 723097055e2SEdward Tomasz Napierala * Note that decreasing the allocation always returns 0, 724097055e2SEdward Tomasz Napierala * even if it's above the limit. 725097055e2SEdward Tomasz Napierala */ 726097055e2SEdward Tomasz Napierala int 727097055e2SEdward Tomasz Napierala racct_set(struct proc *p, int resource, uint64_t amount) 728097055e2SEdward Tomasz Napierala { 729097055e2SEdward Tomasz Napierala int error; 730097055e2SEdward Tomasz Napierala 7314b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7324b5c9cf6SEdward Tomasz Napierala return (0); 7334b5c9cf6SEdward Tomasz Napierala 73410287198SEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, set__force, p, resource, amount); 73510287198SEdward Tomasz Napierala 7364c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 73710287198SEdward Tomasz Napierala error = racct_set_locked(p, resource, amount, 0); 7384c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 739097055e2SEdward Tomasz Napierala return (error); 740097055e2SEdward Tomasz Napierala } 741097055e2SEdward Tomasz Napierala 7420b9f1ecbSEdward Tomasz Napierala void 7430b9f1ecbSEdward Tomasz Napierala racct_set_force(struct proc *p, int resource, uint64_t amount) 7440b9f1ecbSEdward Tomasz Napierala { 7450b9f1ecbSEdward Tomasz Napierala 7460b9f1ecbSEdward Tomasz Napierala if (!racct_enable) 7470b9f1ecbSEdward Tomasz Napierala return; 7480b9f1ecbSEdward Tomasz Napierala 7490b9f1ecbSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, set, p, resource, amount); 7500b9f1ecbSEdward Tomasz Napierala 7514c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 7520b9f1ecbSEdward Tomasz Napierala racct_set_locked(p, resource, amount, 1); 7534c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 7540b9f1ecbSEdward Tomasz Napierala } 7550b9f1ecbSEdward Tomasz Napierala 756097055e2SEdward Tomasz Napierala /* 757097055e2SEdward Tomasz Napierala * Returns amount of 'resource' the process 'p' can keep allocated. 758097055e2SEdward Tomasz Napierala * Allocating more than that would be denied, unless the resource 759097055e2SEdward Tomasz Napierala * is marked undeniable. Amount of already allocated resource does 760097055e2SEdward Tomasz Napierala * not matter. 761097055e2SEdward Tomasz Napierala */ 762097055e2SEdward Tomasz Napierala uint64_t 763097055e2SEdward Tomasz Napierala racct_get_limit(struct proc *p, int resource) 764097055e2SEdward Tomasz Napierala { 765bbe4eb6dSEdward Tomasz Napierala #ifdef RCTL 766bbe4eb6dSEdward Tomasz Napierala uint64_t available; 767097055e2SEdward Tomasz Napierala 7684b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7694b5c9cf6SEdward Tomasz Napierala return (UINT64_MAX); 7704b5c9cf6SEdward Tomasz Napierala 771bbe4eb6dSEdward Tomasz Napierala RACCT_LOCK(); 772bbe4eb6dSEdward Tomasz Napierala available = rctl_get_limit(p, resource); 773bbe4eb6dSEdward Tomasz Napierala RACCT_UNLOCK(); 774bbe4eb6dSEdward Tomasz Napierala 775bbe4eb6dSEdward Tomasz Napierala return (available); 776097055e2SEdward Tomasz Napierala #else 777bbe4eb6dSEdward Tomasz Napierala 778097055e2SEdward Tomasz Napierala return (UINT64_MAX); 779097055e2SEdward Tomasz Napierala #endif 780097055e2SEdward Tomasz Napierala } 781097055e2SEdward Tomasz Napierala 782097055e2SEdward Tomasz Napierala /* 783097055e2SEdward Tomasz Napierala * Returns amount of 'resource' the process 'p' can keep allocated. 784097055e2SEdward Tomasz Napierala * Allocating more than that would be denied, unless the resource 785097055e2SEdward Tomasz Napierala * is marked undeniable. Amount of already allocated resource does 786097055e2SEdward Tomasz Napierala * matter. 787097055e2SEdward Tomasz Napierala */ 788097055e2SEdward Tomasz Napierala uint64_t 789097055e2SEdward Tomasz Napierala racct_get_available(struct proc *p, int resource) 790097055e2SEdward Tomasz Napierala { 791bbe4eb6dSEdward Tomasz Napierala #ifdef RCTL 792bbe4eb6dSEdward Tomasz Napierala uint64_t available; 793097055e2SEdward Tomasz Napierala 7944b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7954b5c9cf6SEdward Tomasz Napierala return (UINT64_MAX); 7964b5c9cf6SEdward Tomasz Napierala 797bbe4eb6dSEdward Tomasz Napierala RACCT_LOCK(); 798bbe4eb6dSEdward Tomasz Napierala available = rctl_get_available(p, resource); 799bbe4eb6dSEdward Tomasz Napierala RACCT_UNLOCK(); 800bbe4eb6dSEdward Tomasz Napierala 801bbe4eb6dSEdward Tomasz Napierala return (available); 802097055e2SEdward Tomasz Napierala #else 803bbe4eb6dSEdward Tomasz Napierala 804097055e2SEdward Tomasz Napierala return (UINT64_MAX); 805097055e2SEdward Tomasz Napierala #endif 806097055e2SEdward Tomasz Napierala } 807097055e2SEdward Tomasz Napierala 808097055e2SEdward Tomasz Napierala /* 80936af9869SEdward Tomasz Napierala * Returns amount of the %cpu resource that process 'p' can add to its %cpu 81036af9869SEdward Tomasz Napierala * utilization. Adding more than that would lead to the process being 81136af9869SEdward Tomasz Napierala * throttled. 81236af9869SEdward Tomasz Napierala */ 81336af9869SEdward Tomasz Napierala static int64_t 81436af9869SEdward Tomasz Napierala racct_pcpu_available(struct proc *p) 81536af9869SEdward Tomasz Napierala { 816bbe4eb6dSEdward Tomasz Napierala #ifdef RCTL 817bbe4eb6dSEdward Tomasz Napierala uint64_t available; 81836af9869SEdward Tomasz Napierala 8194b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 8204b5c9cf6SEdward Tomasz Napierala 821bbe4eb6dSEdward Tomasz Napierala RACCT_LOCK(); 822bbe4eb6dSEdward Tomasz Napierala available = rctl_pcpu_available(p); 823bbe4eb6dSEdward Tomasz Napierala RACCT_UNLOCK(); 824bbe4eb6dSEdward Tomasz Napierala 825bbe4eb6dSEdward Tomasz Napierala return (available); 82636af9869SEdward Tomasz Napierala #else 827bbe4eb6dSEdward Tomasz Napierala 82836af9869SEdward Tomasz Napierala return (INT64_MAX); 82936af9869SEdward Tomasz Napierala #endif 83036af9869SEdward Tomasz Napierala } 83136af9869SEdward Tomasz Napierala 83236af9869SEdward Tomasz Napierala /* 833097055e2SEdward Tomasz Napierala * Decrease allocation of 'resource' by 'amount' for process 'p'. 834097055e2SEdward Tomasz Napierala */ 835097055e2SEdward Tomasz Napierala void 836097055e2SEdward Tomasz Napierala racct_sub(struct proc *p, int resource, uint64_t amount) 837097055e2SEdward Tomasz Napierala { 838097055e2SEdward Tomasz Napierala 8394b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 8404b5c9cf6SEdward Tomasz Napierala return; 8414b5c9cf6SEdward Tomasz Napierala 84236160958SMark Johnston SDT_PROBE3(racct, , rusage, sub, p, resource, amount); 843097055e2SEdward Tomasz Napierala 844097055e2SEdward Tomasz Napierala /* 845097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 846097055e2SEdward Tomasz Napierala */ 847097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 84836af9869SEdward Tomasz Napierala KASSERT(RACCT_CAN_DROP(resource), 849baf85d0aSEdward Tomasz Napierala ("%s: called for non-droppable resource %d", __func__, resource)); 850097055e2SEdward Tomasz Napierala 8514c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 852097055e2SEdward Tomasz Napierala KASSERT(amount <= p->p_racct->r_resources[resource], 853baf85d0aSEdward Tomasz Napierala ("%s: freeing %ju of resource %d, which is more " 854baf85d0aSEdward Tomasz Napierala "than allocated %jd for %s (pid %d)", __func__, amount, resource, 855097055e2SEdward Tomasz Napierala (intmax_t)p->p_racct->r_resources[resource], p->p_comm, p->p_pid)); 856097055e2SEdward Tomasz Napierala 8573768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, -amount); 858097055e2SEdward Tomasz Napierala racct_sub_cred_locked(p->p_ucred, resource, amount); 8594c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 860097055e2SEdward Tomasz Napierala } 861097055e2SEdward Tomasz Napierala 862097055e2SEdward Tomasz Napierala static void 863097055e2SEdward Tomasz Napierala racct_sub_cred_locked(struct ucred *cred, int resource, uint64_t amount) 864097055e2SEdward Tomasz Napierala { 865097055e2SEdward Tomasz Napierala struct prison *pr; 866097055e2SEdward Tomasz Napierala 8674b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 8684b5c9cf6SEdward Tomasz Napierala 8693768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_ruidinfo->ui_racct, resource, -amount); 870097055e2SEdward Tomasz Napierala for (pr = cred->cr_prison; pr != NULL; pr = pr->pr_parent) 8713768a5dfSJeremie Le Hen racct_adjust_resource(pr->pr_prison_racct->prr_racct, resource, 872a7ad07bfSEdward Tomasz Napierala -amount); 8733768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_loginclass->lc_racct, resource, -amount); 874097055e2SEdward Tomasz Napierala } 875097055e2SEdward Tomasz Napierala 876097055e2SEdward Tomasz Napierala /* 877097055e2SEdward Tomasz Napierala * Decrease allocation of 'resource' by 'amount' for credential 'cred'. 878097055e2SEdward Tomasz Napierala */ 879097055e2SEdward Tomasz Napierala void 880097055e2SEdward Tomasz Napierala racct_sub_cred(struct ucred *cred, int resource, uint64_t amount) 881097055e2SEdward Tomasz Napierala { 882097055e2SEdward Tomasz Napierala 8834b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 8844b5c9cf6SEdward Tomasz Napierala return; 8854b5c9cf6SEdward Tomasz Napierala 886bbe4eb6dSEdward Tomasz Napierala SDT_PROBE3(racct, , rusage, sub__cred, cred, resource, amount); 887bbe4eb6dSEdward Tomasz Napierala 888bbe4eb6dSEdward Tomasz Napierala #ifdef notyet 889bbe4eb6dSEdward Tomasz Napierala KASSERT(RACCT_CAN_DROP(resource), 890bbe4eb6dSEdward Tomasz Napierala ("%s: called for resource %d which can not drop", __func__, 891bbe4eb6dSEdward Tomasz Napierala resource)); 892bbe4eb6dSEdward Tomasz Napierala #endif 893bbe4eb6dSEdward Tomasz Napierala 8944c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 895097055e2SEdward Tomasz Napierala racct_sub_cred_locked(cred, resource, amount); 8964c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 897097055e2SEdward Tomasz Napierala } 898097055e2SEdward Tomasz Napierala 899097055e2SEdward Tomasz Napierala /* 900097055e2SEdward Tomasz Napierala * Inherit resource usage information from the parent process. 901097055e2SEdward Tomasz Napierala */ 902097055e2SEdward Tomasz Napierala int 903097055e2SEdward Tomasz Napierala racct_proc_fork(struct proc *parent, struct proc *child) 904097055e2SEdward Tomasz Napierala { 905097055e2SEdward Tomasz Napierala int i, error = 0; 906097055e2SEdward Tomasz Napierala 9074b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 9084b5c9cf6SEdward Tomasz Napierala return (0); 9094b5c9cf6SEdward Tomasz Napierala 910097055e2SEdward Tomasz Napierala /* 911097055e2SEdward Tomasz Napierala * Create racct for the child process. 912097055e2SEdward Tomasz Napierala */ 913097055e2SEdward Tomasz Napierala racct_create(&child->p_racct); 914097055e2SEdward Tomasz Napierala 915097055e2SEdward Tomasz Napierala PROC_LOCK(parent); 916097055e2SEdward Tomasz Napierala PROC_LOCK(child); 9174c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 918097055e2SEdward Tomasz Napierala 919c0c09362SEdward Tomasz Napierala #ifdef RCTL 920c0c09362SEdward Tomasz Napierala error = rctl_proc_fork(parent, child); 921c0c09362SEdward Tomasz Napierala if (error != 0) 922c0c09362SEdward Tomasz Napierala goto out; 923c0c09362SEdward Tomasz Napierala #endif 924c0c09362SEdward Tomasz Napierala 92536af9869SEdward Tomasz Napierala /* Init process cpu time. */ 92636af9869SEdward Tomasz Napierala child->p_prev_runtime = 0; 92736af9869SEdward Tomasz Napierala child->p_throttled = 0; 92836af9869SEdward Tomasz Napierala 929097055e2SEdward Tomasz Napierala /* 930097055e2SEdward Tomasz Napierala * Inherit resource usage. 931097055e2SEdward Tomasz Napierala */ 932097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 933097055e2SEdward Tomasz Napierala if (parent->p_racct->r_resources[i] == 0 || 9344fe84775SEdward Tomasz Napierala !RACCT_IS_INHERITABLE(i)) 935097055e2SEdward Tomasz Napierala continue; 936097055e2SEdward Tomasz Napierala 937097055e2SEdward Tomasz Napierala error = racct_set_locked(child, i, 93810287198SEdward Tomasz Napierala parent->p_racct->r_resources[i], 0); 939ac6fafe6SEdward Tomasz Napierala if (error != 0) 940097055e2SEdward Tomasz Napierala goto out; 941097055e2SEdward Tomasz Napierala } 942097055e2SEdward Tomasz Napierala 9437cea96f6SEdward Tomasz Napierala error = racct_add_locked(child, RACCT_NPROC, 1, 0); 9447cea96f6SEdward Tomasz Napierala error += racct_add_locked(child, RACCT_NTHR, 1, 0); 9452d8696d1SEdward Tomasz Napierala 946097055e2SEdward Tomasz Napierala out: 9474c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 948097055e2SEdward Tomasz Napierala PROC_UNLOCK(child); 949097055e2SEdward Tomasz Napierala PROC_UNLOCK(parent); 950097055e2SEdward Tomasz Napierala 951ab27d5d8SEdward Tomasz Napierala if (error != 0) 952ab27d5d8SEdward Tomasz Napierala racct_proc_exit(child); 953ab27d5d8SEdward Tomasz Napierala 954097055e2SEdward Tomasz Napierala return (error); 955097055e2SEdward Tomasz Napierala } 956097055e2SEdward Tomasz Napierala 95772a401d9SEdward Tomasz Napierala /* 95872a401d9SEdward Tomasz Napierala * Called at the end of fork1(), to handle rules that require the process 95972a401d9SEdward Tomasz Napierala * to be fully initialized. 96072a401d9SEdward Tomasz Napierala */ 96172a401d9SEdward Tomasz Napierala void 96272a401d9SEdward Tomasz Napierala racct_proc_fork_done(struct proc *child) 96372a401d9SEdward Tomasz Napierala { 96472a401d9SEdward Tomasz Napierala 9654b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 9664b5c9cf6SEdward Tomasz Napierala return; 9674b5c9cf6SEdward Tomasz Napierala 968bbe4eb6dSEdward Tomasz Napierala PROC_LOCK_ASSERT(child, MA_OWNED); 969bbe4eb6dSEdward Tomasz Napierala 970bbe4eb6dSEdward Tomasz Napierala #ifdef RCTL 9714c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 97272a401d9SEdward Tomasz Napierala rctl_enforce(child, RACCT_NPROC, 0); 97372a401d9SEdward Tomasz Napierala rctl_enforce(child, RACCT_NTHR, 0); 9744c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 97572a401d9SEdward Tomasz Napierala #endif 97672a401d9SEdward Tomasz Napierala } 97772a401d9SEdward Tomasz Napierala 978097055e2SEdward Tomasz Napierala void 979097055e2SEdward Tomasz Napierala racct_proc_exit(struct proc *p) 980097055e2SEdward Tomasz Napierala { 98136af9869SEdward Tomasz Napierala struct timeval wallclock; 982c1a43e73SEdward Tomasz Napierala uint64_t pct_estimate, pct, runtime; 983c1a43e73SEdward Tomasz Napierala int i; 984097055e2SEdward Tomasz Napierala 9854b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 9864b5c9cf6SEdward Tomasz Napierala return; 9874b5c9cf6SEdward Tomasz Napierala 988097055e2SEdward Tomasz Napierala PROC_LOCK(p); 989097055e2SEdward Tomasz Napierala /* 990097055e2SEdward Tomasz Napierala * We don't need to calculate rux, proc_reap() has already done this. 991097055e2SEdward Tomasz Napierala */ 992097055e2SEdward Tomasz Napierala runtime = cputick2usec(p->p_rux.rux_runtime); 993097055e2SEdward Tomasz Napierala #ifdef notyet 994097055e2SEdward Tomasz Napierala KASSERT(runtime >= p->p_prev_runtime, ("runtime < p_prev_runtime")); 995097055e2SEdward Tomasz Napierala #else 996097055e2SEdward Tomasz Napierala if (runtime < p->p_prev_runtime) 997097055e2SEdward Tomasz Napierala runtime = p->p_prev_runtime; 998097055e2SEdward Tomasz Napierala #endif 99936af9869SEdward Tomasz Napierala microuptime(&wallclock); 100036af9869SEdward Tomasz Napierala timevalsub(&wallclock, &p->p_stats->p_start); 100184590fd8SEdward Tomasz Napierala if (wallclock.tv_sec > 0 || wallclock.tv_usec > 0) { 100236af9869SEdward Tomasz Napierala pct_estimate = (1000000 * runtime * 100) / 100336af9869SEdward Tomasz Napierala ((uint64_t)wallclock.tv_sec * 1000000 + 100436af9869SEdward Tomasz Napierala wallclock.tv_usec); 100584590fd8SEdward Tomasz Napierala } else 100684590fd8SEdward Tomasz Napierala pct_estimate = 0; 100736af9869SEdward Tomasz Napierala pct = racct_getpcpu(p, pct_estimate); 100836af9869SEdward Tomasz Napierala 10094c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 101010287198SEdward Tomasz Napierala racct_set_locked(p, RACCT_CPU, runtime, 0); 101136af9869SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, RACCT_PCTCPU, pct); 1012097055e2SEdward Tomasz Napierala 10132419d7f9SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 10142419d7f9SEdward Tomasz Napierala if (p->p_racct->r_resources[i] == 0) 10152419d7f9SEdward Tomasz Napierala continue; 10162419d7f9SEdward Tomasz Napierala if (!RACCT_IS_RECLAIMABLE(i)) 10172419d7f9SEdward Tomasz Napierala continue; 101810287198SEdward Tomasz Napierala racct_set_locked(p, i, 0, 0); 10192419d7f9SEdward Tomasz Napierala } 10202419d7f9SEdward Tomasz Napierala 1021097055e2SEdward Tomasz Napierala #ifdef RCTL 1022097055e2SEdward Tomasz Napierala rctl_racct_release(p->p_racct); 1023097055e2SEdward Tomasz Napierala #endif 1024bbe4eb6dSEdward Tomasz Napierala racct_destroy_locked(&p->p_racct); 1025bbe4eb6dSEdward Tomasz Napierala RACCT_UNLOCK(); 1026bbe4eb6dSEdward Tomasz Napierala PROC_UNLOCK(p); 1027097055e2SEdward Tomasz Napierala } 1028097055e2SEdward Tomasz Napierala 1029097055e2SEdward Tomasz Napierala /* 1030097055e2SEdward Tomasz Napierala * Called after credentials change, to move resource utilisation 1031097055e2SEdward Tomasz Napierala * between raccts. 1032097055e2SEdward Tomasz Napierala */ 1033097055e2SEdward Tomasz Napierala void 1034097055e2SEdward Tomasz Napierala racct_proc_ucred_changed(struct proc *p, struct ucred *oldcred, 1035097055e2SEdward Tomasz Napierala struct ucred *newcred) 1036097055e2SEdward Tomasz Napierala { 1037097055e2SEdward Tomasz Napierala struct uidinfo *olduip, *newuip; 1038097055e2SEdward Tomasz Napierala struct loginclass *oldlc, *newlc; 1039097055e2SEdward Tomasz Napierala struct prison *oldpr, *newpr, *pr; 1040097055e2SEdward Tomasz Napierala 10414b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 10424b5c9cf6SEdward Tomasz Napierala return; 10434b5c9cf6SEdward Tomasz Napierala 1044097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_NOTOWNED); 1045097055e2SEdward Tomasz Napierala 1046097055e2SEdward Tomasz Napierala newuip = newcred->cr_ruidinfo; 1047097055e2SEdward Tomasz Napierala olduip = oldcred->cr_ruidinfo; 1048097055e2SEdward Tomasz Napierala newlc = newcred->cr_loginclass; 1049097055e2SEdward Tomasz Napierala oldlc = oldcred->cr_loginclass; 1050097055e2SEdward Tomasz Napierala newpr = newcred->cr_prison; 1051097055e2SEdward Tomasz Napierala oldpr = oldcred->cr_prison; 1052097055e2SEdward Tomasz Napierala 10534c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 1054097055e2SEdward Tomasz Napierala if (newuip != olduip) { 1055097055e2SEdward Tomasz Napierala racct_sub_racct(olduip->ui_racct, p->p_racct); 1056097055e2SEdward Tomasz Napierala racct_add_racct(newuip->ui_racct, p->p_racct); 1057097055e2SEdward Tomasz Napierala } 1058097055e2SEdward Tomasz Napierala if (newlc != oldlc) { 1059097055e2SEdward Tomasz Napierala racct_sub_racct(oldlc->lc_racct, p->p_racct); 1060097055e2SEdward Tomasz Napierala racct_add_racct(newlc->lc_racct, p->p_racct); 1061097055e2SEdward Tomasz Napierala } 1062097055e2SEdward Tomasz Napierala if (newpr != oldpr) { 1063097055e2SEdward Tomasz Napierala for (pr = oldpr; pr != NULL; pr = pr->pr_parent) 1064a7ad07bfSEdward Tomasz Napierala racct_sub_racct(pr->pr_prison_racct->prr_racct, 1065a7ad07bfSEdward Tomasz Napierala p->p_racct); 1066097055e2SEdward Tomasz Napierala for (pr = newpr; pr != NULL; pr = pr->pr_parent) 1067a7ad07bfSEdward Tomasz Napierala racct_add_racct(pr->pr_prison_racct->prr_racct, 1068a7ad07bfSEdward Tomasz Napierala p->p_racct); 1069097055e2SEdward Tomasz Napierala } 10704c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 1071097055e2SEdward Tomasz Napierala 1072097055e2SEdward Tomasz Napierala #ifdef RCTL 1073097055e2SEdward Tomasz Napierala rctl_proc_ucred_changed(p, newcred); 1074097055e2SEdward Tomasz Napierala #endif 1075097055e2SEdward Tomasz Napierala } 1076097055e2SEdward Tomasz Napierala 1077c34bbd2aSEdward Tomasz Napierala void 1078c34bbd2aSEdward Tomasz Napierala racct_move(struct racct *dest, struct racct *src) 1079c34bbd2aSEdward Tomasz Napierala { 1080c34bbd2aSEdward Tomasz Napierala 10814b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 10824b5c9cf6SEdward Tomasz Napierala 10834c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 1084c34bbd2aSEdward Tomasz Napierala racct_add_racct(dest, src); 1085c34bbd2aSEdward Tomasz Napierala racct_sub_racct(src, src); 10864c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 1087c34bbd2aSEdward Tomasz Napierala } 1088c34bbd2aSEdward Tomasz Napierala 1089ae34b6ffSEdward Tomasz Napierala /* 1090ae34b6ffSEdward Tomasz Napierala * Make the process sleep in userret() for 'timeout' ticks. Setting 1091ae34b6ffSEdward Tomasz Napierala * timeout to -1 makes it sleep until woken up by racct_proc_wakeup(). 1092ae34b6ffSEdward Tomasz Napierala */ 1093ae34b6ffSEdward Tomasz Napierala void 1094ae34b6ffSEdward Tomasz Napierala racct_proc_throttle(struct proc *p, int timeout) 109536af9869SEdward Tomasz Napierala { 109636af9869SEdward Tomasz Napierala struct thread *td; 109736af9869SEdward Tomasz Napierala #ifdef SMP 109836af9869SEdward Tomasz Napierala int cpuid; 109936af9869SEdward Tomasz Napierala #endif 110036af9869SEdward Tomasz Napierala 1101ae34b6ffSEdward Tomasz Napierala KASSERT(timeout != 0, ("timeout %d", timeout)); 11024b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 110336af9869SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 110436af9869SEdward Tomasz Napierala 110536af9869SEdward Tomasz Napierala /* 110636af9869SEdward Tomasz Napierala * Do not block kernel processes. Also do not block processes with 110736af9869SEdward Tomasz Napierala * low %cpu utilization to improve interactivity. 110836af9869SEdward Tomasz Napierala */ 1109ae34b6ffSEdward Tomasz Napierala if ((p->p_flag & (P_SYSTEM | P_KPROC)) != 0) 111036af9869SEdward Tomasz Napierala return; 1111ae34b6ffSEdward Tomasz Napierala 1112ae34b6ffSEdward Tomasz Napierala if (p->p_throttled < 0 || (timeout > 0 && p->p_throttled > timeout)) 1113ae34b6ffSEdward Tomasz Napierala return; 1114ae34b6ffSEdward Tomasz Napierala 1115ae34b6ffSEdward Tomasz Napierala p->p_throttled = timeout; 111636af9869SEdward Tomasz Napierala 111736af9869SEdward Tomasz Napierala FOREACH_THREAD_IN_PROC(p, td) { 111816befafdSEdward Tomasz Napierala thread_lock(td); 111936af9869SEdward Tomasz Napierala switch (td->td_state) { 112036af9869SEdward Tomasz Napierala case TDS_RUNQ: 112136af9869SEdward Tomasz Napierala /* 112236af9869SEdward Tomasz Napierala * If the thread is on the scheduler run-queue, we can 112336af9869SEdward Tomasz Napierala * not just remove it from there. So we set the flag 112436af9869SEdward Tomasz Napierala * TDF_NEEDRESCHED for the thread, so that once it is 112536af9869SEdward Tomasz Napierala * running, it is taken off the cpu as soon as possible. 112636af9869SEdward Tomasz Napierala */ 112736af9869SEdward Tomasz Napierala td->td_flags |= TDF_NEEDRESCHED; 112836af9869SEdward Tomasz Napierala break; 112936af9869SEdward Tomasz Napierala case TDS_RUNNING: 113036af9869SEdward Tomasz Napierala /* 113136af9869SEdward Tomasz Napierala * If the thread is running, we request a context 113236af9869SEdward Tomasz Napierala * switch for it by setting the TDF_NEEDRESCHED flag. 113336af9869SEdward Tomasz Napierala */ 113436af9869SEdward Tomasz Napierala td->td_flags |= TDF_NEEDRESCHED; 113536af9869SEdward Tomasz Napierala #ifdef SMP 113636af9869SEdward Tomasz Napierala cpuid = td->td_oncpu; 113736af9869SEdward Tomasz Napierala if ((cpuid != NOCPU) && (td != curthread)) 113836af9869SEdward Tomasz Napierala ipi_cpu(cpuid, IPI_AST); 113936af9869SEdward Tomasz Napierala #endif 114036af9869SEdward Tomasz Napierala break; 114136af9869SEdward Tomasz Napierala default: 114236af9869SEdward Tomasz Napierala break; 114336af9869SEdward Tomasz Napierala } 114416befafdSEdward Tomasz Napierala thread_unlock(td); 114536af9869SEdward Tomasz Napierala } 114636af9869SEdward Tomasz Napierala } 114736af9869SEdward Tomasz Napierala 114836af9869SEdward Tomasz Napierala static void 114936af9869SEdward Tomasz Napierala racct_proc_wakeup(struct proc *p) 115036af9869SEdward Tomasz Napierala { 11514b5c9cf6SEdward Tomasz Napierala 11524b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 11534b5c9cf6SEdward Tomasz Napierala 115436af9869SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 115536af9869SEdward Tomasz Napierala 1156ae34b6ffSEdward Tomasz Napierala if (p->p_throttled != 0) { 115736af9869SEdward Tomasz Napierala p->p_throttled = 0; 115836af9869SEdward Tomasz Napierala wakeup(p->p_racct); 115936af9869SEdward Tomasz Napierala } 116036af9869SEdward Tomasz Napierala } 116136af9869SEdward Tomasz Napierala 116236af9869SEdward Tomasz Napierala static void 1163862d03fbSEdward Tomasz Napierala racct_decay_callback(struct racct *racct, void *dummy1, void *dummy2) 116436af9869SEdward Tomasz Napierala { 116536af9869SEdward Tomasz Napierala int64_t r_old, r_new; 116636af9869SEdward Tomasz Napierala 11674b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 11684c230cdaSEdward Tomasz Napierala RACCT_LOCK_ASSERT(); 11694b5c9cf6SEdward Tomasz Napierala 1170ae34b6ffSEdward Tomasz Napierala #ifdef RCTL 1171ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(racct, RACCT_READBPS); 1172ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(racct, RACCT_WRITEBPS); 1173ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(racct, RACCT_READIOPS); 1174ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(racct, RACCT_WRITEIOPS); 1175ae34b6ffSEdward Tomasz Napierala #endif 1176ae34b6ffSEdward Tomasz Napierala 1177862d03fbSEdward Tomasz Napierala r_old = racct->r_resources[RACCT_PCTCPU]; 117836af9869SEdward Tomasz Napierala 117936af9869SEdward Tomasz Napierala /* If there is nothing to decay, just exit. */ 118036af9869SEdward Tomasz Napierala if (r_old <= 0) 118136af9869SEdward Tomasz Napierala return; 118236af9869SEdward Tomasz Napierala 118336af9869SEdward Tomasz Napierala r_new = r_old * RACCT_DECAY_FACTOR / FSCALE; 1184862d03fbSEdward Tomasz Napierala racct->r_resources[RACCT_PCTCPU] = r_new; 118515db3c07SEdward Tomasz Napierala } 118615db3c07SEdward Tomasz Napierala 118715db3c07SEdward Tomasz Napierala static void 118815db3c07SEdward Tomasz Napierala racct_decay_pre(void) 118915db3c07SEdward Tomasz Napierala { 119015db3c07SEdward Tomasz Napierala 11914c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 119215db3c07SEdward Tomasz Napierala } 119315db3c07SEdward Tomasz Napierala 119415db3c07SEdward Tomasz Napierala static void 119515db3c07SEdward Tomasz Napierala racct_decay_post(void) 119615db3c07SEdward Tomasz Napierala { 119715db3c07SEdward Tomasz Napierala 11984c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 119936af9869SEdward Tomasz Napierala } 120036af9869SEdward Tomasz Napierala 120136af9869SEdward Tomasz Napierala static void 1202097e0da7SEdward Tomasz Napierala racct_decay(void) 120336af9869SEdward Tomasz Napierala { 12044b5c9cf6SEdward Tomasz Napierala 12054b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 12064b5c9cf6SEdward Tomasz Napierala 1207862d03fbSEdward Tomasz Napierala ui_racct_foreach(racct_decay_callback, racct_decay_pre, 1208862d03fbSEdward Tomasz Napierala racct_decay_post, NULL, NULL); 1209862d03fbSEdward Tomasz Napierala loginclass_racct_foreach(racct_decay_callback, racct_decay_pre, 1210862d03fbSEdward Tomasz Napierala racct_decay_post, NULL, NULL); 1211862d03fbSEdward Tomasz Napierala prison_racct_foreach(racct_decay_callback, racct_decay_pre, 1212862d03fbSEdward Tomasz Napierala racct_decay_post, NULL, NULL); 121336af9869SEdward Tomasz Napierala } 121436af9869SEdward Tomasz Napierala 121536af9869SEdward Tomasz Napierala static void 1216097055e2SEdward Tomasz Napierala racctd(void) 1217097055e2SEdward Tomasz Napierala { 1218097055e2SEdward Tomasz Napierala struct thread *td; 1219097055e2SEdward Tomasz Napierala struct proc *p; 1220097055e2SEdward Tomasz Napierala struct timeval wallclock; 1221c1a43e73SEdward Tomasz Napierala uint64_t pct, pct_estimate, runtime; 1222097055e2SEdward Tomasz Napierala 12234b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 12244b5c9cf6SEdward Tomasz Napierala 1225097055e2SEdward Tomasz Napierala for (;;) { 1226862d03fbSEdward Tomasz Napierala racct_decay(); 122736af9869SEdward Tomasz Napierala 1228097055e2SEdward Tomasz Napierala sx_slock(&allproc_lock); 1229097055e2SEdward Tomasz Napierala 123036af9869SEdward Tomasz Napierala LIST_FOREACH(p, &zombproc, p_list) { 123136af9869SEdward Tomasz Napierala PROC_LOCK(p); 123236af9869SEdward Tomasz Napierala racct_set(p, RACCT_PCTCPU, 0); 123336af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 123436af9869SEdward Tomasz Napierala } 123536af9869SEdward Tomasz Napierala 1236097055e2SEdward Tomasz Napierala FOREACH_PROC_IN_SYSTEM(p) { 123736af9869SEdward Tomasz Napierala PROC_LOCK(p); 123836af9869SEdward Tomasz Napierala if (p->p_state != PRS_NORMAL) { 123936af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 1240097055e2SEdward Tomasz Napierala continue; 124136af9869SEdward Tomasz Napierala } 1242097055e2SEdward Tomasz Napierala 1243097055e2SEdward Tomasz Napierala microuptime(&wallclock); 1244097055e2SEdward Tomasz Napierala timevalsub(&wallclock, &p->p_stats->p_start); 12455c7bebf9SKonstantin Belousov PROC_STATLOCK(p); 12460a53cd57SEdward Tomasz Napierala FOREACH_THREAD_IN_PROC(p, td) 1247097055e2SEdward Tomasz Napierala ruxagg(p, td); 1248097055e2SEdward Tomasz Napierala runtime = cputick2usec(p->p_rux.rux_runtime); 12495c7bebf9SKonstantin Belousov PROC_STATUNLOCK(p); 1250097055e2SEdward Tomasz Napierala #ifdef notyet 1251097055e2SEdward Tomasz Napierala KASSERT(runtime >= p->p_prev_runtime, 1252097055e2SEdward Tomasz Napierala ("runtime < p_prev_runtime")); 1253097055e2SEdward Tomasz Napierala #else 1254097055e2SEdward Tomasz Napierala if (runtime < p->p_prev_runtime) 1255097055e2SEdward Tomasz Napierala runtime = p->p_prev_runtime; 1256097055e2SEdward Tomasz Napierala #endif 1257097055e2SEdward Tomasz Napierala p->p_prev_runtime = runtime; 125884590fd8SEdward Tomasz Napierala if (wallclock.tv_sec > 0 || wallclock.tv_usec > 0) { 125936af9869SEdward Tomasz Napierala pct_estimate = (1000000 * runtime * 100) / 126036af9869SEdward Tomasz Napierala ((uint64_t)wallclock.tv_sec * 1000000 + 126136af9869SEdward Tomasz Napierala wallclock.tv_usec); 126284590fd8SEdward Tomasz Napierala } else 126384590fd8SEdward Tomasz Napierala pct_estimate = 0; 126436af9869SEdward Tomasz Napierala pct = racct_getpcpu(p, pct_estimate); 12654c230cdaSEdward Tomasz Napierala RACCT_LOCK(); 1266ae34b6ffSEdward Tomasz Napierala #ifdef RCTL 1267ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(p->p_racct, RACCT_READBPS); 1268ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(p->p_racct, RACCT_WRITEBPS); 1269ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(p->p_racct, RACCT_READIOPS); 1270ae34b6ffSEdward Tomasz Napierala rctl_throttle_decay(p->p_racct, RACCT_WRITEIOPS); 1271ae34b6ffSEdward Tomasz Napierala #endif 127210287198SEdward Tomasz Napierala racct_set_locked(p, RACCT_PCTCPU, pct, 1); 127310287198SEdward Tomasz Napierala racct_set_locked(p, RACCT_CPU, runtime, 0); 1274097055e2SEdward Tomasz Napierala racct_set_locked(p, RACCT_WALLCLOCK, 127559f513cdSJaakko Heinonen (uint64_t)wallclock.tv_sec * 1000000 + 127610287198SEdward Tomasz Napierala wallclock.tv_usec, 0); 12774c230cdaSEdward Tomasz Napierala RACCT_UNLOCK(); 1278097055e2SEdward Tomasz Napierala PROC_UNLOCK(p); 1279097055e2SEdward Tomasz Napierala } 128036af9869SEdward Tomasz Napierala 128136af9869SEdward Tomasz Napierala /* 128236af9869SEdward Tomasz Napierala * To ensure that processes are throttled in a fair way, we need 128336af9869SEdward Tomasz Napierala * to iterate over all processes again and check the limits 128436af9869SEdward Tomasz Napierala * for %cpu resource only after ucred racct containers have been 128536af9869SEdward Tomasz Napierala * properly filled. 128636af9869SEdward Tomasz Napierala */ 128736af9869SEdward Tomasz Napierala FOREACH_PROC_IN_SYSTEM(p) { 128836af9869SEdward Tomasz Napierala PROC_LOCK(p); 128936af9869SEdward Tomasz Napierala if (p->p_state != PRS_NORMAL) { 129036af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 129136af9869SEdward Tomasz Napierala continue; 129236af9869SEdward Tomasz Napierala } 129336af9869SEdward Tomasz Napierala 1294ae34b6ffSEdward Tomasz Napierala if (racct_pcpu_available(p) <= 0) { 1295ae34b6ffSEdward Tomasz Napierala if (p->p_racct->r_resources[RACCT_PCTCPU] > 1296ae34b6ffSEdward Tomasz Napierala pcpu_threshold) 1297ae34b6ffSEdward Tomasz Napierala racct_proc_throttle(p, -1); 1298ae34b6ffSEdward Tomasz Napierala } else if (p->p_throttled == -1) { 129936af9869SEdward Tomasz Napierala racct_proc_wakeup(p); 1300ae34b6ffSEdward Tomasz Napierala } 130136af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 130236af9869SEdward Tomasz Napierala } 1303097055e2SEdward Tomasz Napierala sx_sunlock(&allproc_lock); 1304097055e2SEdward Tomasz Napierala pause("-", hz); 1305097055e2SEdward Tomasz Napierala } 1306097055e2SEdward Tomasz Napierala } 1307097055e2SEdward Tomasz Napierala 1308097055e2SEdward Tomasz Napierala static struct kproc_desc racctd_kp = { 1309097055e2SEdward Tomasz Napierala "racctd", 1310097055e2SEdward Tomasz Napierala racctd, 1311097055e2SEdward Tomasz Napierala NULL 1312097055e2SEdward Tomasz Napierala }; 13134b5c9cf6SEdward Tomasz Napierala 13144b5c9cf6SEdward Tomasz Napierala static void 13154b5c9cf6SEdward Tomasz Napierala racctd_init(void) 13164b5c9cf6SEdward Tomasz Napierala { 13174b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 13184b5c9cf6SEdward Tomasz Napierala return; 13194b5c9cf6SEdward Tomasz Napierala 13204b5c9cf6SEdward Tomasz Napierala kproc_start(&racctd_kp); 13214b5c9cf6SEdward Tomasz Napierala } 13224b5c9cf6SEdward Tomasz Napierala SYSINIT(racctd, SI_SUB_RACCTD, SI_ORDER_FIRST, racctd_init, NULL); 1323097055e2SEdward Tomasz Napierala 1324097055e2SEdward Tomasz Napierala static void 1325097055e2SEdward Tomasz Napierala racct_init(void) 1326097055e2SEdward Tomasz Napierala { 13274b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 13284b5c9cf6SEdward Tomasz Napierala return; 1329097055e2SEdward Tomasz Napierala 1330097055e2SEdward Tomasz Napierala racct_zone = uma_zcreate("racct", sizeof(struct racct), 133123e6fff2SEdward Tomasz Napierala NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); 1332097055e2SEdward Tomasz Napierala /* 1333097055e2SEdward Tomasz Napierala * XXX: Move this somewhere. 1334097055e2SEdward Tomasz Napierala */ 1335a7ad07bfSEdward Tomasz Napierala prison0.pr_prison_racct = prison_racct_find("0"); 1336097055e2SEdward Tomasz Napierala } 1337097055e2SEdward Tomasz Napierala SYSINIT(racct, SI_SUB_RACCT, SI_ORDER_FIRST, racct_init, NULL); 1338097055e2SEdward Tomasz Napierala 1339097055e2SEdward Tomasz Napierala #endif /* !RACCT */ 1340