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> 380e225211SAndriy Gapon #include <sys/systm.h> 39097055e2SEdward Tomasz Napierala #include <sys/eventhandler.h> 40097055e2SEdward Tomasz Napierala #include <sys/jail.h> 41097055e2SEdward Tomasz Napierala #include <sys/kernel.h> 42097055e2SEdward Tomasz Napierala #include <sys/kthread.h> 43097055e2SEdward Tomasz Napierala #include <sys/lock.h> 44097055e2SEdward Tomasz Napierala #include <sys/loginclass.h> 45097055e2SEdward Tomasz Napierala #include <sys/malloc.h> 46097055e2SEdward Tomasz Napierala #include <sys/mutex.h> 47097055e2SEdward Tomasz Napierala #include <sys/proc.h> 48097055e2SEdward Tomasz Napierala #include <sys/racct.h> 49097055e2SEdward Tomasz Napierala #include <sys/resourcevar.h> 50097055e2SEdward Tomasz Napierala #include <sys/sbuf.h> 51097055e2SEdward Tomasz Napierala #include <sys/sched.h> 52097055e2SEdward Tomasz Napierala #include <sys/sdt.h> 5336af9869SEdward Tomasz Napierala #include <sys/smp.h> 54097055e2SEdward Tomasz Napierala #include <sys/sx.h> 5536af9869SEdward Tomasz Napierala #include <sys/sysctl.h> 56097055e2SEdward Tomasz Napierala #include <sys/sysent.h> 57097055e2SEdward Tomasz Napierala #include <sys/sysproto.h> 58097055e2SEdward Tomasz Napierala #include <sys/umtx.h> 5936af9869SEdward Tomasz Napierala #include <machine/smp.h> 60097055e2SEdward Tomasz Napierala 61097055e2SEdward Tomasz Napierala #ifdef RCTL 62097055e2SEdward Tomasz Napierala #include <sys/rctl.h> 63097055e2SEdward Tomasz Napierala #endif 64097055e2SEdward Tomasz Napierala 65097055e2SEdward Tomasz Napierala #ifdef RACCT 66097055e2SEdward Tomasz Napierala 67097055e2SEdward Tomasz Napierala FEATURE(racct, "Resource Accounting"); 68097055e2SEdward Tomasz Napierala 6936af9869SEdward Tomasz Napierala /* 7036af9869SEdward Tomasz Napierala * Do not block processes that have their %cpu usage <= pcpu_threshold. 7136af9869SEdward Tomasz Napierala */ 7236af9869SEdward Tomasz Napierala static int pcpu_threshold = 1; 73ba8f0eb8SEdward Tomasz Napierala #ifdef RACCT_DEFAULT_TO_DISABLED 744b5c9cf6SEdward Tomasz Napierala int racct_enable = 0; 754b5c9cf6SEdward Tomasz Napierala #else 764b5c9cf6SEdward Tomasz Napierala int racct_enable = 1; 774b5c9cf6SEdward Tomasz Napierala #endif 7836af9869SEdward Tomasz Napierala 7936af9869SEdward Tomasz Napierala SYSCTL_NODE(_kern, OID_AUTO, racct, CTLFLAG_RW, 0, "Resource Accounting"); 804b5c9cf6SEdward Tomasz Napierala SYSCTL_UINT(_kern_racct, OID_AUTO, enable, CTLFLAG_RDTUN, &racct_enable, 814b5c9cf6SEdward Tomasz Napierala 0, "Enable RACCT/RCTL"); 8236af9869SEdward Tomasz Napierala SYSCTL_UINT(_kern_racct, OID_AUTO, pcpu_threshold, CTLFLAG_RW, &pcpu_threshold, 8336af9869SEdward Tomasz Napierala 0, "Processes with higher %cpu usage than this value can be throttled."); 8436af9869SEdward Tomasz Napierala 8536af9869SEdward Tomasz Napierala /* 8636af9869SEdward Tomasz Napierala * How many seconds it takes to use the scheduler %cpu calculations. When a 8736af9869SEdward Tomasz Napierala * process starts, we compute its %cpu usage by dividing its runtime by the 8836af9869SEdward Tomasz Napierala * process wall clock time. After RACCT_PCPU_SECS pass, we use the value 8936af9869SEdward Tomasz Napierala * provided by the scheduler. 9036af9869SEdward Tomasz Napierala */ 9136af9869SEdward Tomasz Napierala #define RACCT_PCPU_SECS 3 9236af9869SEdward Tomasz Napierala 93097055e2SEdward Tomasz Napierala static struct mtx racct_lock; 94097055e2SEdward Tomasz Napierala MTX_SYSINIT(racct_lock, &racct_lock, "racct lock", MTX_DEF); 95097055e2SEdward Tomasz Napierala 96097055e2SEdward Tomasz Napierala static uma_zone_t racct_zone; 97097055e2SEdward Tomasz Napierala 98097055e2SEdward Tomasz Napierala static void racct_sub_racct(struct racct *dest, const struct racct *src); 99097055e2SEdward Tomasz Napierala static void racct_sub_cred_locked(struct ucred *cred, int resource, 100097055e2SEdward Tomasz Napierala uint64_t amount); 101097055e2SEdward Tomasz Napierala static void racct_add_cred_locked(struct ucred *cred, int resource, 102097055e2SEdward Tomasz Napierala uint64_t amount); 103097055e2SEdward Tomasz Napierala 104097055e2SEdward Tomasz Napierala SDT_PROVIDER_DEFINE(racct); 105d9fae5abSAndriy Gapon SDT_PROBE_DEFINE3(racct, kernel, rusage, add, "struct proc *", "int", 106097055e2SEdward Tomasz Napierala "uint64_t"); 107d9fae5abSAndriy Gapon SDT_PROBE_DEFINE3(racct, kernel, rusage, add__failure, 108097055e2SEdward Tomasz Napierala "struct proc *", "int", "uint64_t"); 109d9fae5abSAndriy Gapon SDT_PROBE_DEFINE3(racct, kernel, rusage, add__cred, "struct ucred *", 110097055e2SEdward Tomasz Napierala "int", "uint64_t"); 111d9fae5abSAndriy Gapon SDT_PROBE_DEFINE3(racct, kernel, rusage, add__force, "struct proc *", 112097055e2SEdward Tomasz Napierala "int", "uint64_t"); 113d9fae5abSAndriy Gapon SDT_PROBE_DEFINE3(racct, kernel, rusage, set, "struct proc *", "int", 114097055e2SEdward Tomasz Napierala "uint64_t"); 115d9fae5abSAndriy Gapon SDT_PROBE_DEFINE3(racct, kernel, rusage, set__failure, 116097055e2SEdward Tomasz Napierala "struct proc *", "int", "uint64_t"); 117d9fae5abSAndriy Gapon SDT_PROBE_DEFINE3(racct, kernel, rusage, sub, "struct proc *", "int", 118097055e2SEdward Tomasz Napierala "uint64_t"); 119d9fae5abSAndriy Gapon SDT_PROBE_DEFINE3(racct, kernel, rusage, sub__cred, "struct ucred *", 120097055e2SEdward Tomasz Napierala "int", "uint64_t"); 121d9fae5abSAndriy Gapon SDT_PROBE_DEFINE1(racct, kernel, racct, create, "struct racct *"); 122d9fae5abSAndriy Gapon SDT_PROBE_DEFINE1(racct, kernel, racct, destroy, "struct racct *"); 123d9fae5abSAndriy Gapon SDT_PROBE_DEFINE2(racct, kernel, racct, join, "struct racct *", 124097055e2SEdward Tomasz Napierala "struct racct *"); 125d9fae5abSAndriy Gapon SDT_PROBE_DEFINE2(racct, kernel, racct, join__failure, 126097055e2SEdward Tomasz Napierala "struct racct *", "struct racct *"); 127d9fae5abSAndriy Gapon SDT_PROBE_DEFINE2(racct, kernel, racct, leave, "struct racct *", 128097055e2SEdward Tomasz Napierala "struct racct *"); 129097055e2SEdward Tomasz Napierala 130097055e2SEdward Tomasz Napierala int racct_types[] = { 131097055e2SEdward Tomasz Napierala [RACCT_CPU] = 13285a2f1b4SEdward Tomasz Napierala RACCT_IN_MILLIONS, 133097055e2SEdward Tomasz Napierala [RACCT_DATA] = 134097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 135097055e2SEdward Tomasz Napierala [RACCT_STACK] = 136097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 137097055e2SEdward Tomasz Napierala [RACCT_CORE] = 138097055e2SEdward Tomasz Napierala RACCT_DENIABLE, 139097055e2SEdward Tomasz Napierala [RACCT_RSS] = 140097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE, 141097055e2SEdward Tomasz Napierala [RACCT_MEMLOCK] = 142097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE, 143097055e2SEdward Tomasz Napierala [RACCT_NPROC] = 144097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE, 145097055e2SEdward Tomasz Napierala [RACCT_NOFILE] = 146097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 147097055e2SEdward Tomasz Napierala [RACCT_VMEM] = 148097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 149097055e2SEdward Tomasz Napierala [RACCT_NPTS] = 150097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 151097055e2SEdward Tomasz Napierala [RACCT_SWAP] = 152097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 153097055e2SEdward Tomasz Napierala [RACCT_NTHR] = 154097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE, 155097055e2SEdward Tomasz Napierala [RACCT_MSGQQUEUED] = 156097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 157097055e2SEdward Tomasz Napierala [RACCT_MSGQSIZE] = 158097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 159097055e2SEdward Tomasz Napierala [RACCT_NMSGQ] = 160097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 161097055e2SEdward Tomasz Napierala [RACCT_NSEM] = 162097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 163097055e2SEdward Tomasz Napierala [RACCT_NSEMOP] = 164097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE, 165097055e2SEdward Tomasz Napierala [RACCT_NSHM] = 166097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 167097055e2SEdward Tomasz Napierala [RACCT_SHMSIZE] = 168097055e2SEdward Tomasz Napierala RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY, 169097055e2SEdward Tomasz Napierala [RACCT_WALLCLOCK] = 17036af9869SEdward Tomasz Napierala RACCT_IN_MILLIONS, 17136af9869SEdward Tomasz Napierala [RACCT_PCTCPU] = 17236af9869SEdward Tomasz Napierala RACCT_DECAYING | RACCT_DENIABLE | RACCT_IN_MILLIONS }; 17336af9869SEdward Tomasz Napierala 17436af9869SEdward Tomasz Napierala static const fixpt_t RACCT_DECAY_FACTOR = 0.3 * FSCALE; 17536af9869SEdward Tomasz Napierala 17636af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 17736af9869SEdward Tomasz Napierala /* 17836af9869SEdward Tomasz Napierala * Contains intermediate values for %cpu calculations to avoid using floating 17936af9869SEdward Tomasz Napierala * point in the kernel. 18036af9869SEdward Tomasz Napierala * ccpu_exp[k] = FSCALE * (ccpu/FSCALE)^k = FSCALE * exp(-k/20) 18136af9869SEdward Tomasz Napierala * It is needed only for the 4BSD scheduler, because in ULE, the ccpu equals to 18236af9869SEdward Tomasz Napierala * zero so the calculations are more straightforward. 18336af9869SEdward Tomasz Napierala */ 18436af9869SEdward Tomasz Napierala fixpt_t ccpu_exp[] = { 18536af9869SEdward Tomasz Napierala [0] = FSCALE * 1, 18636af9869SEdward Tomasz Napierala [1] = FSCALE * 0.95122942450071400909, 18736af9869SEdward Tomasz Napierala [2] = FSCALE * 0.90483741803595957316, 18836af9869SEdward Tomasz Napierala [3] = FSCALE * 0.86070797642505780722, 18936af9869SEdward Tomasz Napierala [4] = FSCALE * 0.81873075307798185866, 19036af9869SEdward Tomasz Napierala [5] = FSCALE * 0.77880078307140486824, 19136af9869SEdward Tomasz Napierala [6] = FSCALE * 0.74081822068171786606, 19236af9869SEdward Tomasz Napierala [7] = FSCALE * 0.70468808971871343435, 19336af9869SEdward Tomasz Napierala [8] = FSCALE * 0.67032004603563930074, 19436af9869SEdward Tomasz Napierala [9] = FSCALE * 0.63762815162177329314, 19536af9869SEdward Tomasz Napierala [10] = FSCALE * 0.60653065971263342360, 19636af9869SEdward Tomasz Napierala [11] = FSCALE * 0.57694981038048669531, 19736af9869SEdward Tomasz Napierala [12] = FSCALE * 0.54881163609402643262, 19836af9869SEdward Tomasz Napierala [13] = FSCALE * 0.52204577676101604789, 19936af9869SEdward Tomasz Napierala [14] = FSCALE * 0.49658530379140951470, 20036af9869SEdward Tomasz Napierala [15] = FSCALE * 0.47236655274101470713, 20136af9869SEdward Tomasz Napierala [16] = FSCALE * 0.44932896411722159143, 20236af9869SEdward Tomasz Napierala [17] = FSCALE * 0.42741493194872666992, 20336af9869SEdward Tomasz Napierala [18] = FSCALE * 0.40656965974059911188, 20436af9869SEdward Tomasz Napierala [19] = FSCALE * 0.38674102345450120691, 20536af9869SEdward Tomasz Napierala [20] = FSCALE * 0.36787944117144232159, 20636af9869SEdward Tomasz Napierala [21] = FSCALE * 0.34993774911115535467, 20736af9869SEdward Tomasz Napierala [22] = FSCALE * 0.33287108369807955328, 20836af9869SEdward Tomasz Napierala [23] = FSCALE * 0.31663676937905321821, 20936af9869SEdward Tomasz Napierala [24] = FSCALE * 0.30119421191220209664, 21036af9869SEdward Tomasz Napierala [25] = FSCALE * 0.28650479686019010032, 21136af9869SEdward Tomasz Napierala [26] = FSCALE * 0.27253179303401260312, 21236af9869SEdward Tomasz Napierala [27] = FSCALE * 0.25924026064589150757, 21336af9869SEdward Tomasz Napierala [28] = FSCALE * 0.24659696394160647693, 21436af9869SEdward Tomasz Napierala [29] = FSCALE * 0.23457028809379765313, 21536af9869SEdward Tomasz Napierala [30] = FSCALE * 0.22313016014842982893, 21636af9869SEdward Tomasz Napierala [31] = FSCALE * 0.21224797382674305771, 21736af9869SEdward Tomasz Napierala [32] = FSCALE * 0.20189651799465540848, 21836af9869SEdward Tomasz Napierala [33] = FSCALE * 0.19204990862075411423, 21936af9869SEdward Tomasz Napierala [34] = FSCALE * 0.18268352405273465022, 22036af9869SEdward Tomasz Napierala [35] = FSCALE * 0.17377394345044512668, 22136af9869SEdward Tomasz Napierala [36] = FSCALE * 0.16529888822158653829, 22236af9869SEdward Tomasz Napierala [37] = FSCALE * 0.15723716631362761621, 22336af9869SEdward Tomasz Napierala [38] = FSCALE * 0.14956861922263505264, 22436af9869SEdward Tomasz Napierala [39] = FSCALE * 0.14227407158651357185, 22536af9869SEdward Tomasz Napierala [40] = FSCALE * 0.13533528323661269189, 22636af9869SEdward Tomasz Napierala [41] = FSCALE * 0.12873490358780421886, 22736af9869SEdward Tomasz Napierala [42] = FSCALE * 0.12245642825298191021, 22836af9869SEdward Tomasz Napierala [43] = FSCALE * 0.11648415777349695786, 22936af9869SEdward Tomasz Napierala [44] = FSCALE * 0.11080315836233388333, 23036af9869SEdward Tomasz Napierala [45] = FSCALE * 0.10539922456186433678, 23136af9869SEdward Tomasz Napierala [46] = FSCALE * 0.10025884372280373372, 23236af9869SEdward Tomasz Napierala [47] = FSCALE * 0.09536916221554961888, 23336af9869SEdward Tomasz Napierala [48] = FSCALE * 0.09071795328941250337, 23436af9869SEdward Tomasz Napierala [49] = FSCALE * 0.08629358649937051097, 23536af9869SEdward Tomasz Napierala [50] = FSCALE * 0.08208499862389879516, 23636af9869SEdward Tomasz Napierala [51] = FSCALE * 0.07808166600115315231, 23736af9869SEdward Tomasz Napierala [52] = FSCALE * 0.07427357821433388042, 23836af9869SEdward Tomasz Napierala [53] = FSCALE * 0.07065121306042958674, 23936af9869SEdward Tomasz Napierala [54] = FSCALE * 0.06720551273974976512, 24036af9869SEdward Tomasz Napierala [55] = FSCALE * 0.06392786120670757270, 24136af9869SEdward Tomasz Napierala [56] = FSCALE * 0.06081006262521796499, 24236af9869SEdward Tomasz Napierala [57] = FSCALE * 0.05784432087483846296, 24336af9869SEdward Tomasz Napierala [58] = FSCALE * 0.05502322005640722902, 24436af9869SEdward Tomasz Napierala [59] = FSCALE * 0.05233970594843239308, 24536af9869SEdward Tomasz Napierala [60] = FSCALE * 0.04978706836786394297, 24636af9869SEdward Tomasz Napierala [61] = FSCALE * 0.04735892439114092119, 24736af9869SEdward Tomasz Napierala [62] = FSCALE * 0.04504920239355780606, 24836af9869SEdward Tomasz Napierala [63] = FSCALE * 0.04285212686704017991, 24936af9869SEdward Tomasz Napierala [64] = FSCALE * 0.04076220397836621516, 25036af9869SEdward Tomasz Napierala [65] = FSCALE * 0.03877420783172200988, 25136af9869SEdward Tomasz Napierala [66] = FSCALE * 0.03688316740124000544, 25236af9869SEdward Tomasz Napierala [67] = FSCALE * 0.03508435410084502588, 25336af9869SEdward Tomasz Napierala [68] = FSCALE * 0.03337326996032607948, 25436af9869SEdward Tomasz Napierala [69] = FSCALE * 0.03174563637806794323, 25536af9869SEdward Tomasz Napierala [70] = FSCALE * 0.03019738342231850073, 25636af9869SEdward Tomasz Napierala [71] = FSCALE * 0.02872463965423942912, 25736af9869SEdward Tomasz Napierala [72] = FSCALE * 0.02732372244729256080, 25836af9869SEdward Tomasz Napierala [73] = FSCALE * 0.02599112877875534358, 25936af9869SEdward Tomasz Napierala [74] = FSCALE * 0.02472352647033939120, 26036af9869SEdward Tomasz Napierala [75] = FSCALE * 0.02351774585600910823, 26136af9869SEdward Tomasz Napierala [76] = FSCALE * 0.02237077185616559577, 26236af9869SEdward Tomasz Napierala [77] = FSCALE * 0.02127973643837716938, 26336af9869SEdward Tomasz Napierala [78] = FSCALE * 0.02024191144580438847, 26436af9869SEdward Tomasz Napierala [79] = FSCALE * 0.01925470177538692429, 26536af9869SEdward Tomasz Napierala [80] = FSCALE * 0.01831563888873418029, 26636af9869SEdward Tomasz Napierala [81] = FSCALE * 0.01742237463949351138, 26736af9869SEdward Tomasz Napierala [82] = FSCALE * 0.01657267540176124754, 26836af9869SEdward Tomasz Napierala [83] = FSCALE * 0.01576441648485449082, 26936af9869SEdward Tomasz Napierala [84] = FSCALE * 0.01499557682047770621, 27036af9869SEdward Tomasz Napierala [85] = FSCALE * 0.01426423390899925527, 27136af9869SEdward Tomasz Napierala [86] = FSCALE * 0.01356855901220093175, 27236af9869SEdward Tomasz Napierala [87] = FSCALE * 0.01290681258047986886, 27336af9869SEdward Tomasz Napierala [88] = FSCALE * 0.01227733990306844117, 27436af9869SEdward Tomasz Napierala [89] = FSCALE * 0.01167856697039544521, 27536af9869SEdward Tomasz Napierala [90] = FSCALE * 0.01110899653824230649, 27636af9869SEdward Tomasz Napierala [91] = FSCALE * 0.01056720438385265337, 27736af9869SEdward Tomasz Napierala [92] = FSCALE * 0.01005183574463358164, 27836af9869SEdward Tomasz Napierala [93] = FSCALE * 0.00956160193054350793, 27936af9869SEdward Tomasz Napierala [94] = FSCALE * 0.00909527710169581709, 28036af9869SEdward Tomasz Napierala [95] = FSCALE * 0.00865169520312063417, 28136af9869SEdward Tomasz Napierala [96] = FSCALE * 0.00822974704902002884, 28236af9869SEdward Tomasz Napierala [97] = FSCALE * 0.00782837754922577143, 28336af9869SEdward Tomasz Napierala [98] = FSCALE * 0.00744658307092434051, 28436af9869SEdward Tomasz Napierala [99] = FSCALE * 0.00708340892905212004, 28536af9869SEdward Tomasz Napierala [100] = FSCALE * 0.00673794699908546709, 28636af9869SEdward Tomasz Napierala [101] = FSCALE * 0.00640933344625638184, 28736af9869SEdward Tomasz Napierala [102] = FSCALE * 0.00609674656551563610, 28836af9869SEdward Tomasz Napierala [103] = FSCALE * 0.00579940472684214321, 28936af9869SEdward Tomasz Napierala [104] = FSCALE * 0.00551656442076077241, 29036af9869SEdward Tomasz Napierala [105] = FSCALE * 0.00524751839918138427, 29136af9869SEdward Tomasz Napierala [106] = FSCALE * 0.00499159390691021621, 29236af9869SEdward Tomasz Napierala [107] = FSCALE * 0.00474815099941147558, 29336af9869SEdward Tomasz Napierala [108] = FSCALE * 0.00451658094261266798, 29436af9869SEdward Tomasz Napierala [109] = FSCALE * 0.00429630469075234057, 29536af9869SEdward Tomasz Napierala [110] = FSCALE * 0.00408677143846406699, 29636af9869SEdward Tomasz Napierala }; 29736af9869SEdward Tomasz Napierala #endif 29836af9869SEdward Tomasz Napierala 29936af9869SEdward Tomasz Napierala #define CCPU_EXP_MAX 110 30036af9869SEdward Tomasz Napierala 30136af9869SEdward Tomasz Napierala /* 30236af9869SEdward Tomasz Napierala * This function is analogical to the getpcpu() function in the ps(1) command. 30336af9869SEdward Tomasz Napierala * They should both calculate in the same way so that the racct %cpu 30436af9869SEdward Tomasz Napierala * calculations are consistent with the values showed by the ps(1) tool. 30536af9869SEdward Tomasz Napierala * The calculations are more complex in the 4BSD scheduler because of the value 30636af9869SEdward Tomasz Napierala * of the ccpu variable. In ULE it is defined to be zero which saves us some 30736af9869SEdward Tomasz Napierala * work. 30836af9869SEdward Tomasz Napierala */ 30936af9869SEdward Tomasz Napierala static uint64_t 31036af9869SEdward Tomasz Napierala racct_getpcpu(struct proc *p, u_int pcpu) 31136af9869SEdward Tomasz Napierala { 31236af9869SEdward Tomasz Napierala u_int swtime; 31336af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 31436af9869SEdward Tomasz Napierala fixpt_t pctcpu, pctcpu_next; 31536af9869SEdward Tomasz Napierala #endif 31636af9869SEdward Tomasz Napierala #ifdef SMP 31736af9869SEdward Tomasz Napierala struct pcpu *pc; 31836af9869SEdward Tomasz Napierala int found; 31936af9869SEdward Tomasz Napierala #endif 32036af9869SEdward Tomasz Napierala fixpt_t p_pctcpu; 32136af9869SEdward Tomasz Napierala struct thread *td; 32236af9869SEdward Tomasz Napierala 3234b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 3244b5c9cf6SEdward Tomasz Napierala 32536af9869SEdward Tomasz Napierala /* 32636af9869SEdward Tomasz Napierala * If the process is swapped out, we count its %cpu usage as zero. 32736af9869SEdward Tomasz Napierala * This behaviour is consistent with the userland ps(1) tool. 32836af9869SEdward Tomasz Napierala */ 32936af9869SEdward Tomasz Napierala if ((p->p_flag & P_INMEM) == 0) 33036af9869SEdward Tomasz Napierala return (0); 33136af9869SEdward Tomasz Napierala swtime = (ticks - p->p_swtick) / hz; 33236af9869SEdward Tomasz Napierala 33336af9869SEdward Tomasz Napierala /* 33436af9869SEdward Tomasz Napierala * For short-lived processes, the sched_pctcpu() returns small 33536af9869SEdward Tomasz Napierala * values even for cpu intensive processes. Therefore we use 33636af9869SEdward Tomasz Napierala * our own estimate in this case. 33736af9869SEdward Tomasz Napierala */ 33836af9869SEdward Tomasz Napierala if (swtime < RACCT_PCPU_SECS) 33936af9869SEdward Tomasz Napierala return (pcpu); 34036af9869SEdward Tomasz Napierala 34136af9869SEdward Tomasz Napierala p_pctcpu = 0; 34236af9869SEdward Tomasz Napierala FOREACH_THREAD_IN_PROC(p, td) { 34336af9869SEdward Tomasz Napierala if (td == PCPU_GET(idlethread)) 34436af9869SEdward Tomasz Napierala continue; 34536af9869SEdward Tomasz Napierala #ifdef SMP 34636af9869SEdward Tomasz Napierala found = 0; 34736af9869SEdward Tomasz Napierala STAILQ_FOREACH(pc, &cpuhead, pc_allcpu) { 34836af9869SEdward Tomasz Napierala if (td == pc->pc_idlethread) { 34936af9869SEdward Tomasz Napierala found = 1; 35036af9869SEdward Tomasz Napierala break; 35136af9869SEdward Tomasz Napierala } 35236af9869SEdward Tomasz Napierala } 35336af9869SEdward Tomasz Napierala if (found) 35436af9869SEdward Tomasz Napierala continue; 35536af9869SEdward Tomasz Napierala #endif 35636af9869SEdward Tomasz Napierala thread_lock(td); 35736af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 35836af9869SEdward Tomasz Napierala pctcpu = sched_pctcpu(td); 35936af9869SEdward Tomasz Napierala /* Count also the yet unfinished second. */ 36036af9869SEdward Tomasz Napierala pctcpu_next = (pctcpu * ccpu_exp[1]) >> FSHIFT; 36136af9869SEdward Tomasz Napierala pctcpu_next += sched_pctcpu_delta(td); 36236af9869SEdward Tomasz Napierala p_pctcpu += max(pctcpu, pctcpu_next); 36336af9869SEdward Tomasz Napierala #else 36436af9869SEdward Tomasz Napierala /* 36536af9869SEdward Tomasz Napierala * In ULE the %cpu statistics are updated on every 36636af9869SEdward Tomasz Napierala * sched_pctcpu() call. So special calculations to 36736af9869SEdward Tomasz Napierala * account for the latest (unfinished) second are 36836af9869SEdward Tomasz Napierala * not needed. 36936af9869SEdward Tomasz Napierala */ 37036af9869SEdward Tomasz Napierala p_pctcpu += sched_pctcpu(td); 37136af9869SEdward Tomasz Napierala #endif 37236af9869SEdward Tomasz Napierala thread_unlock(td); 37336af9869SEdward Tomasz Napierala } 37436af9869SEdward Tomasz Napierala 37536af9869SEdward Tomasz Napierala #ifdef SCHED_4BSD 37636af9869SEdward Tomasz Napierala if (swtime <= CCPU_EXP_MAX) 37736af9869SEdward Tomasz Napierala return ((100 * (uint64_t)p_pctcpu * 1000000) / 37836af9869SEdward Tomasz Napierala (FSCALE - ccpu_exp[swtime])); 37936af9869SEdward Tomasz Napierala #endif 38036af9869SEdward Tomasz Napierala 38136af9869SEdward Tomasz Napierala return ((100 * (uint64_t)p_pctcpu * 1000000) / FSCALE); 38236af9869SEdward Tomasz Napierala } 383097055e2SEdward Tomasz Napierala 384097055e2SEdward Tomasz Napierala static void 385097055e2SEdward Tomasz Napierala racct_add_racct(struct racct *dest, const struct racct *src) 386097055e2SEdward Tomasz Napierala { 387097055e2SEdward Tomasz Napierala int i; 388097055e2SEdward Tomasz Napierala 3894b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 390097055e2SEdward Tomasz Napierala mtx_assert(&racct_lock, MA_OWNED); 391097055e2SEdward Tomasz Napierala 392097055e2SEdward Tomasz Napierala /* 393097055e2SEdward Tomasz Napierala * Update resource usage in dest. 394097055e2SEdward Tomasz Napierala */ 395097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 396097055e2SEdward Tomasz Napierala KASSERT(dest->r_resources[i] >= 0, 397baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: dest < 0", 398baf85d0aSEdward Tomasz Napierala __func__, i)); 399097055e2SEdward Tomasz Napierala KASSERT(src->r_resources[i] >= 0, 400baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: src < 0", 401baf85d0aSEdward Tomasz Napierala __func__, i)); 402097055e2SEdward Tomasz Napierala dest->r_resources[i] += src->r_resources[i]; 403097055e2SEdward Tomasz Napierala } 404097055e2SEdward Tomasz Napierala } 405097055e2SEdward Tomasz Napierala 406097055e2SEdward Tomasz Napierala static void 407097055e2SEdward Tomasz Napierala racct_sub_racct(struct racct *dest, const struct racct *src) 408097055e2SEdward Tomasz Napierala { 409097055e2SEdward Tomasz Napierala int i; 410097055e2SEdward Tomasz Napierala 4114b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 412097055e2SEdward Tomasz Napierala mtx_assert(&racct_lock, MA_OWNED); 413097055e2SEdward Tomasz Napierala 414097055e2SEdward Tomasz Napierala /* 415097055e2SEdward Tomasz Napierala * Update resource usage in dest. 416097055e2SEdward Tomasz Napierala */ 417097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 41884c9193bSEdward Tomasz Napierala if (!RACCT_IS_SLOPPY(i) && !RACCT_IS_DECAYING(i)) { 419097055e2SEdward Tomasz Napierala KASSERT(dest->r_resources[i] >= 0, 420baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: dest < 0", 421baf85d0aSEdward Tomasz Napierala __func__, i)); 422097055e2SEdward Tomasz Napierala KASSERT(src->r_resources[i] >= 0, 423baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: src < 0", 424baf85d0aSEdward Tomasz Napierala __func__, i)); 425097055e2SEdward Tomasz Napierala KASSERT(src->r_resources[i] <= dest->r_resources[i], 426baf85d0aSEdward Tomasz Napierala ("%s: resource %d propagation meltdown: src > dest", 427baf85d0aSEdward Tomasz Napierala __func__, i)); 428097055e2SEdward Tomasz Napierala } 42936af9869SEdward Tomasz Napierala if (RACCT_CAN_DROP(i)) { 430097055e2SEdward Tomasz Napierala dest->r_resources[i] -= src->r_resources[i]; 431097055e2SEdward Tomasz Napierala if (dest->r_resources[i] < 0) { 43284c9193bSEdward Tomasz Napierala KASSERT(RACCT_IS_SLOPPY(i) || 43384c9193bSEdward Tomasz Napierala RACCT_IS_DECAYING(i), 434baf85d0aSEdward Tomasz Napierala ("%s: resource %d usage < 0", __func__, i)); 435097055e2SEdward Tomasz Napierala dest->r_resources[i] = 0; 436097055e2SEdward Tomasz Napierala } 437097055e2SEdward Tomasz Napierala } 438097055e2SEdward Tomasz Napierala } 439097055e2SEdward Tomasz Napierala } 440097055e2SEdward Tomasz Napierala 441097055e2SEdward Tomasz Napierala void 442097055e2SEdward Tomasz Napierala racct_create(struct racct **racctp) 443097055e2SEdward Tomasz Napierala { 444097055e2SEdward Tomasz Napierala 4454b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 4464b5c9cf6SEdward Tomasz Napierala return; 4474b5c9cf6SEdward Tomasz Napierala 4482f2f522bSAndriy Gapon SDT_PROBE1(racct, kernel, racct, create, racctp); 449097055e2SEdward Tomasz Napierala 450097055e2SEdward Tomasz Napierala KASSERT(*racctp == NULL, ("racct already allocated")); 451097055e2SEdward Tomasz Napierala 452097055e2SEdward Tomasz Napierala *racctp = uma_zalloc(racct_zone, M_WAITOK | M_ZERO); 453097055e2SEdward Tomasz Napierala } 454097055e2SEdward Tomasz Napierala 455097055e2SEdward Tomasz Napierala static void 456097055e2SEdward Tomasz Napierala racct_destroy_locked(struct racct **racctp) 457097055e2SEdward Tomasz Napierala { 458097055e2SEdward Tomasz Napierala int i; 459097055e2SEdward Tomasz Napierala struct racct *racct; 460097055e2SEdward Tomasz Napierala 4614b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 4624b5c9cf6SEdward Tomasz Napierala 4632f2f522bSAndriy Gapon SDT_PROBE1(racct, kernel, racct, destroy, racctp); 464097055e2SEdward Tomasz Napierala 465097055e2SEdward Tomasz Napierala mtx_assert(&racct_lock, MA_OWNED); 466097055e2SEdward Tomasz Napierala KASSERT(racctp != NULL, ("NULL racctp")); 467097055e2SEdward Tomasz Napierala KASSERT(*racctp != NULL, ("NULL racct")); 468097055e2SEdward Tomasz Napierala 469097055e2SEdward Tomasz Napierala racct = *racctp; 470097055e2SEdward Tomasz Napierala 471097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 4724fe84775SEdward Tomasz Napierala if (RACCT_IS_SLOPPY(i)) 473097055e2SEdward Tomasz Napierala continue; 4744fe84775SEdward Tomasz Napierala if (!RACCT_IS_RECLAIMABLE(i)) 475097055e2SEdward Tomasz Napierala continue; 476097055e2SEdward Tomasz Napierala KASSERT(racct->r_resources[i] == 0, 477097055e2SEdward Tomasz Napierala ("destroying non-empty racct: " 478097055e2SEdward Tomasz Napierala "%ju allocated for resource %d\n", 479097055e2SEdward Tomasz Napierala racct->r_resources[i], i)); 480097055e2SEdward Tomasz Napierala } 481097055e2SEdward Tomasz Napierala uma_zfree(racct_zone, racct); 482097055e2SEdward Tomasz Napierala *racctp = NULL; 483097055e2SEdward Tomasz Napierala } 484097055e2SEdward Tomasz Napierala 485097055e2SEdward Tomasz Napierala void 486097055e2SEdward Tomasz Napierala racct_destroy(struct racct **racct) 487097055e2SEdward Tomasz Napierala { 488097055e2SEdward Tomasz Napierala 4894b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 4904b5c9cf6SEdward Tomasz Napierala return; 4914b5c9cf6SEdward Tomasz Napierala 492097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 493097055e2SEdward Tomasz Napierala racct_destroy_locked(racct); 494097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 495097055e2SEdward Tomasz Napierala } 496097055e2SEdward Tomasz Napierala 497097055e2SEdward Tomasz Napierala /* 498097055e2SEdward Tomasz Napierala * Increase consumption of 'resource' by 'amount' for 'racct' 499097055e2SEdward Tomasz Napierala * and all its parents. Differently from other cases, 'amount' here 500097055e2SEdward Tomasz Napierala * may be less than zero. 501097055e2SEdward Tomasz Napierala */ 502097055e2SEdward Tomasz Napierala static void 5033768a5dfSJeremie Le Hen racct_adjust_resource(struct racct *racct, int resource, 504*a8e0740eSEdward Tomasz Napierala int64_t amount) 505097055e2SEdward Tomasz Napierala { 506097055e2SEdward Tomasz Napierala 5074b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 508097055e2SEdward Tomasz Napierala mtx_assert(&racct_lock, MA_OWNED); 509097055e2SEdward Tomasz Napierala KASSERT(racct != NULL, ("NULL racct")); 510097055e2SEdward Tomasz Napierala 511097055e2SEdward Tomasz Napierala racct->r_resources[resource] += amount; 512097055e2SEdward Tomasz Napierala if (racct->r_resources[resource] < 0) { 51336af9869SEdward Tomasz Napierala KASSERT(RACCT_IS_SLOPPY(resource) || RACCT_IS_DECAYING(resource), 514baf85d0aSEdward Tomasz Napierala ("%s: resource %d usage < 0", __func__, resource)); 515097055e2SEdward Tomasz Napierala racct->r_resources[resource] = 0; 516097055e2SEdward Tomasz Napierala } 51736af9869SEdward Tomasz Napierala 51836af9869SEdward Tomasz Napierala /* 51936af9869SEdward Tomasz Napierala * There are some cases where the racct %cpu resource would grow 52009766dd5SJosh Paetzel * beyond 100% per core. For example in racct_proc_exit() we add 52109766dd5SJosh Paetzel * the process %cpu usage to the ucred racct containers. If too 52209766dd5SJosh Paetzel * many processes terminated in a short time span, the ucred %cpu 52309766dd5SJosh Paetzel * resource could grow too much. Also, the 4BSD scheduler sometimes 52409766dd5SJosh Paetzel * returns for a thread more than 100% cpu usage. So we set a sane 52509766dd5SJosh Paetzel * boundary here to 100% * the maxumum number of CPUs. 52636af9869SEdward Tomasz Napierala */ 52736af9869SEdward Tomasz Napierala if ((resource == RACCT_PCTCPU) && 52809766dd5SJosh Paetzel (racct->r_resources[RACCT_PCTCPU] > 100 * 1000000 * (int64_t)MAXCPU)) 52909766dd5SJosh Paetzel racct->r_resources[RACCT_PCTCPU] = 100 * 1000000 * (int64_t)MAXCPU; 530097055e2SEdward Tomasz Napierala } 531097055e2SEdward Tomasz Napierala 5322d8696d1SEdward Tomasz Napierala static int 5332d8696d1SEdward Tomasz Napierala racct_add_locked(struct proc *p, int resource, uint64_t amount) 534097055e2SEdward Tomasz Napierala { 535097055e2SEdward Tomasz Napierala #ifdef RCTL 536097055e2SEdward Tomasz Napierala int error; 537097055e2SEdward Tomasz Napierala #endif 538097055e2SEdward Tomasz Napierala 5394b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 5404b5c9cf6SEdward Tomasz Napierala 5412f2f522bSAndriy Gapon SDT_PROBE3(racct, kernel, rusage, add, p, resource, amount); 542097055e2SEdward Tomasz Napierala 543097055e2SEdward Tomasz Napierala /* 544097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 545097055e2SEdward Tomasz Napierala */ 546097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 547097055e2SEdward Tomasz Napierala 548097055e2SEdward Tomasz Napierala #ifdef RCTL 549097055e2SEdward Tomasz Napierala error = rctl_enforce(p, resource, amount); 5504fe84775SEdward Tomasz Napierala if (error && RACCT_IS_DENIABLE(resource)) { 5512f2f522bSAndriy Gapon SDT_PROBE3(racct, kernel, rusage, add__failure, p, resource, 5522f2f522bSAndriy Gapon amount); 553097055e2SEdward Tomasz Napierala return (error); 554097055e2SEdward Tomasz Napierala } 555097055e2SEdward Tomasz Napierala #endif 5563768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, amount); 557097055e2SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, resource, amount); 558097055e2SEdward Tomasz Napierala 559097055e2SEdward Tomasz Napierala return (0); 560097055e2SEdward Tomasz Napierala } 561097055e2SEdward Tomasz Napierala 5622d8696d1SEdward Tomasz Napierala /* 5632d8696d1SEdward Tomasz Napierala * Increase allocation of 'resource' by 'amount' for process 'p'. 5642d8696d1SEdward Tomasz Napierala * Return 0 if it's below limits, or errno, if it's not. 5652d8696d1SEdward Tomasz Napierala */ 5662d8696d1SEdward Tomasz Napierala int 5672d8696d1SEdward Tomasz Napierala racct_add(struct proc *p, int resource, uint64_t amount) 5682d8696d1SEdward Tomasz Napierala { 5692d8696d1SEdward Tomasz Napierala int error; 5702d8696d1SEdward Tomasz Napierala 5714b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 5724b5c9cf6SEdward Tomasz Napierala return (0); 5734b5c9cf6SEdward Tomasz Napierala 5742d8696d1SEdward Tomasz Napierala mtx_lock(&racct_lock); 5752d8696d1SEdward Tomasz Napierala error = racct_add_locked(p, resource, amount); 5762d8696d1SEdward Tomasz Napierala mtx_unlock(&racct_lock); 5772d8696d1SEdward Tomasz Napierala return (error); 5782d8696d1SEdward Tomasz Napierala } 5792d8696d1SEdward Tomasz Napierala 580097055e2SEdward Tomasz Napierala static void 581097055e2SEdward Tomasz Napierala racct_add_cred_locked(struct ucred *cred, int resource, uint64_t amount) 582097055e2SEdward Tomasz Napierala { 583097055e2SEdward Tomasz Napierala struct prison *pr; 584097055e2SEdward Tomasz Napierala 5854b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 5864b5c9cf6SEdward Tomasz Napierala 5872f2f522bSAndriy Gapon SDT_PROBE3(racct, kernel, rusage, add__cred, cred, resource, amount); 588097055e2SEdward Tomasz Napierala 5893768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_ruidinfo->ui_racct, resource, amount); 590097055e2SEdward Tomasz Napierala for (pr = cred->cr_prison; pr != NULL; pr = pr->pr_parent) 5913768a5dfSJeremie Le Hen racct_adjust_resource(pr->pr_prison_racct->prr_racct, resource, 592a7ad07bfSEdward Tomasz Napierala amount); 5933768a5dfSJeremie Le Hen racct_adjust_resource(cred->cr_loginclass->lc_racct, resource, amount); 594097055e2SEdward Tomasz Napierala } 595097055e2SEdward Tomasz Napierala 596097055e2SEdward Tomasz Napierala /* 597097055e2SEdward Tomasz Napierala * Increase allocation of 'resource' by 'amount' for credential 'cred'. 598097055e2SEdward Tomasz Napierala * Doesn't check for limits and never fails. 599097055e2SEdward Tomasz Napierala * 600097055e2SEdward Tomasz Napierala * XXX: Shouldn't this ever return an error? 601097055e2SEdward Tomasz Napierala */ 602097055e2SEdward Tomasz Napierala void 603097055e2SEdward Tomasz Napierala racct_add_cred(struct ucred *cred, int resource, uint64_t amount) 604097055e2SEdward Tomasz Napierala { 605097055e2SEdward Tomasz Napierala 6064b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 6074b5c9cf6SEdward Tomasz Napierala return; 6084b5c9cf6SEdward Tomasz Napierala 609097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 610097055e2SEdward Tomasz Napierala racct_add_cred_locked(cred, resource, amount); 611097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 612097055e2SEdward Tomasz Napierala } 613097055e2SEdward Tomasz Napierala 614097055e2SEdward Tomasz Napierala /* 615097055e2SEdward Tomasz Napierala * Increase allocation of 'resource' by 'amount' for process 'p'. 616097055e2SEdward Tomasz Napierala * Doesn't check for limits and never fails. 617097055e2SEdward Tomasz Napierala */ 618097055e2SEdward Tomasz Napierala void 619097055e2SEdward Tomasz Napierala racct_add_force(struct proc *p, int resource, uint64_t amount) 620097055e2SEdward Tomasz Napierala { 621097055e2SEdward Tomasz Napierala 6224b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 6234b5c9cf6SEdward Tomasz Napierala return; 6244b5c9cf6SEdward Tomasz Napierala 6252f2f522bSAndriy Gapon SDT_PROBE3(racct, kernel, rusage, add__force, p, resource, amount); 626097055e2SEdward Tomasz Napierala 627097055e2SEdward Tomasz Napierala /* 628097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 629097055e2SEdward Tomasz Napierala */ 630097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 631097055e2SEdward Tomasz Napierala 632097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 6333768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, amount); 63457e2ebdcSEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, resource, amount); 635097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 636097055e2SEdward Tomasz Napierala } 637097055e2SEdward Tomasz Napierala 638097055e2SEdward Tomasz Napierala static int 639097055e2SEdward Tomasz Napierala racct_set_locked(struct proc *p, int resource, uint64_t amount) 640097055e2SEdward Tomasz Napierala { 64136af9869SEdward Tomasz Napierala int64_t old_amount, decayed_amount; 64236af9869SEdward Tomasz Napierala int64_t diff_proc, diff_cred; 643097055e2SEdward Tomasz Napierala #ifdef RCTL 644097055e2SEdward Tomasz Napierala int error; 645097055e2SEdward Tomasz Napierala #endif 646097055e2SEdward Tomasz Napierala 6474b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 6484b5c9cf6SEdward Tomasz Napierala 6492f2f522bSAndriy Gapon SDT_PROBE3(racct, kernel, rusage, set, p, resource, amount); 650097055e2SEdward Tomasz Napierala 651097055e2SEdward Tomasz Napierala /* 652097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 653097055e2SEdward Tomasz Napierala */ 654097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 655097055e2SEdward Tomasz Napierala 65636af9869SEdward Tomasz Napierala old_amount = p->p_racct->r_resources[resource]; 65736af9869SEdward Tomasz Napierala /* 65836af9869SEdward Tomasz Napierala * The diffs may be negative. 65936af9869SEdward Tomasz Napierala */ 66036af9869SEdward Tomasz Napierala diff_proc = amount - old_amount; 66136af9869SEdward Tomasz Napierala if (RACCT_IS_DECAYING(resource)) { 66236af9869SEdward Tomasz Napierala /* 66336af9869SEdward Tomasz Napierala * Resources in per-credential racct containers may decay. 66436af9869SEdward Tomasz Napierala * If this is the case, we need to calculate the difference 66536af9869SEdward Tomasz Napierala * between the new amount and the proportional value of the 66636af9869SEdward Tomasz Napierala * old amount that has decayed in the ucred racct containers. 66736af9869SEdward Tomasz Napierala */ 66836af9869SEdward Tomasz Napierala decayed_amount = old_amount * RACCT_DECAY_FACTOR / FSCALE; 66936af9869SEdward Tomasz Napierala diff_cred = amount - decayed_amount; 67036af9869SEdward Tomasz Napierala } else 67136af9869SEdward Tomasz Napierala diff_cred = diff_proc; 672097055e2SEdward Tomasz Napierala #ifdef notyet 67336af9869SEdward Tomasz Napierala KASSERT(diff_proc >= 0 || RACCT_CAN_DROP(resource), 674baf85d0aSEdward Tomasz Napierala ("%s: usage of non-droppable resource %d dropping", __func__, 675097055e2SEdward Tomasz Napierala resource)); 676097055e2SEdward Tomasz Napierala #endif 677097055e2SEdward Tomasz Napierala #ifdef RCTL 67836af9869SEdward Tomasz Napierala if (diff_proc > 0) { 67936af9869SEdward Tomasz Napierala error = rctl_enforce(p, resource, diff_proc); 6804fe84775SEdward Tomasz Napierala if (error && RACCT_IS_DENIABLE(resource)) { 6812f2f522bSAndriy Gapon SDT_PROBE3(racct, kernel, rusage, set__failure, p, 6822f2f522bSAndriy Gapon resource, amount); 683097055e2SEdward Tomasz Napierala return (error); 684097055e2SEdward Tomasz Napierala } 685097055e2SEdward Tomasz Napierala } 686097055e2SEdward Tomasz Napierala #endif 6873768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, diff_proc); 68836af9869SEdward Tomasz Napierala if (diff_cred > 0) 68936af9869SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, resource, diff_cred); 69036af9869SEdward Tomasz Napierala else if (diff_cred < 0) 69136af9869SEdward Tomasz Napierala racct_sub_cred_locked(p->p_ucred, resource, -diff_cred); 692097055e2SEdward Tomasz Napierala 693097055e2SEdward Tomasz Napierala return (0); 694097055e2SEdward Tomasz Napierala } 695097055e2SEdward Tomasz Napierala 696097055e2SEdward Tomasz Napierala /* 697097055e2SEdward Tomasz Napierala * Set allocation of 'resource' to 'amount' for process 'p'. 698097055e2SEdward Tomasz Napierala * Return 0 if it's below limits, or errno, if it's not. 699097055e2SEdward Tomasz Napierala * 700097055e2SEdward Tomasz Napierala * Note that decreasing the allocation always returns 0, 701097055e2SEdward Tomasz Napierala * even if it's above the limit. 702097055e2SEdward Tomasz Napierala */ 703097055e2SEdward Tomasz Napierala int 704097055e2SEdward Tomasz Napierala racct_set(struct proc *p, int resource, uint64_t amount) 705097055e2SEdward Tomasz Napierala { 706097055e2SEdward Tomasz Napierala int error; 707097055e2SEdward Tomasz Napierala 7084b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7094b5c9cf6SEdward Tomasz Napierala return (0); 7104b5c9cf6SEdward Tomasz Napierala 711097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 712097055e2SEdward Tomasz Napierala error = racct_set_locked(p, resource, amount); 713097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 714097055e2SEdward Tomasz Napierala return (error); 715097055e2SEdward Tomasz Napierala } 716097055e2SEdward Tomasz Napierala 71736af9869SEdward Tomasz Napierala static void 71836af9869SEdward Tomasz Napierala racct_set_force_locked(struct proc *p, int resource, uint64_t amount) 719097055e2SEdward Tomasz Napierala { 72036af9869SEdward Tomasz Napierala int64_t old_amount, decayed_amount; 72136af9869SEdward Tomasz Napierala int64_t diff_proc, diff_cred; 722097055e2SEdward Tomasz Napierala 7234b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 7244b5c9cf6SEdward Tomasz Napierala 7252f2f522bSAndriy Gapon SDT_PROBE3(racct, kernel, rusage, set, p, resource, amount); 726097055e2SEdward Tomasz Napierala 727097055e2SEdward Tomasz Napierala /* 728097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 729097055e2SEdward Tomasz Napierala */ 730097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 731097055e2SEdward Tomasz Napierala 73236af9869SEdward Tomasz Napierala old_amount = p->p_racct->r_resources[resource]; 73336af9869SEdward Tomasz Napierala /* 73436af9869SEdward Tomasz Napierala * The diffs may be negative. 73536af9869SEdward Tomasz Napierala */ 73636af9869SEdward Tomasz Napierala diff_proc = amount - old_amount; 73736af9869SEdward Tomasz Napierala if (RACCT_IS_DECAYING(resource)) { 73836af9869SEdward Tomasz Napierala /* 73936af9869SEdward Tomasz Napierala * Resources in per-credential racct containers may decay. 74036af9869SEdward Tomasz Napierala * If this is the case, we need to calculate the difference 74136af9869SEdward Tomasz Napierala * between the new amount and the proportional value of the 74236af9869SEdward Tomasz Napierala * old amount that has decayed in the ucred racct containers. 74336af9869SEdward Tomasz Napierala */ 74436af9869SEdward Tomasz Napierala decayed_amount = old_amount * RACCT_DECAY_FACTOR / FSCALE; 74536af9869SEdward Tomasz Napierala diff_cred = amount - decayed_amount; 74636af9869SEdward Tomasz Napierala } else 74736af9869SEdward Tomasz Napierala diff_cred = diff_proc; 74836af9869SEdward Tomasz Napierala 7493768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, diff_proc); 75036af9869SEdward Tomasz Napierala if (diff_cred > 0) 75136af9869SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, resource, diff_cred); 75236af9869SEdward Tomasz Napierala else if (diff_cred < 0) 75336af9869SEdward Tomasz Napierala racct_sub_cred_locked(p->p_ucred, resource, -diff_cred); 75436af9869SEdward Tomasz Napierala } 75536af9869SEdward Tomasz Napierala 75636af9869SEdward Tomasz Napierala void 75736af9869SEdward Tomasz Napierala racct_set_force(struct proc *p, int resource, uint64_t amount) 75836af9869SEdward Tomasz Napierala { 7594b5c9cf6SEdward Tomasz Napierala 7604b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7614b5c9cf6SEdward Tomasz Napierala return; 7624b5c9cf6SEdward Tomasz Napierala 763097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 76436af9869SEdward Tomasz Napierala racct_set_force_locked(p, resource, amount); 765097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 766097055e2SEdward Tomasz Napierala } 767097055e2SEdward Tomasz Napierala 768097055e2SEdward Tomasz Napierala /* 769097055e2SEdward Tomasz Napierala * Returns amount of 'resource' the process 'p' can keep allocated. 770097055e2SEdward Tomasz Napierala * Allocating more than that would be denied, unless the resource 771097055e2SEdward Tomasz Napierala * is marked undeniable. Amount of already allocated resource does 772097055e2SEdward Tomasz Napierala * not matter. 773097055e2SEdward Tomasz Napierala */ 774097055e2SEdward Tomasz Napierala uint64_t 775097055e2SEdward Tomasz Napierala racct_get_limit(struct proc *p, int resource) 776097055e2SEdward Tomasz Napierala { 777097055e2SEdward Tomasz Napierala 7784b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7794b5c9cf6SEdward Tomasz Napierala return (UINT64_MAX); 7804b5c9cf6SEdward Tomasz Napierala 781097055e2SEdward Tomasz Napierala #ifdef RCTL 782097055e2SEdward Tomasz Napierala return (rctl_get_limit(p, resource)); 783097055e2SEdward Tomasz Napierala #else 784097055e2SEdward Tomasz Napierala return (UINT64_MAX); 785097055e2SEdward Tomasz Napierala #endif 786097055e2SEdward Tomasz Napierala } 787097055e2SEdward Tomasz Napierala 788097055e2SEdward Tomasz Napierala /* 789097055e2SEdward Tomasz Napierala * Returns amount of 'resource' the process 'p' can keep allocated. 790097055e2SEdward Tomasz Napierala * Allocating more than that would be denied, unless the resource 791097055e2SEdward Tomasz Napierala * is marked undeniable. Amount of already allocated resource does 792097055e2SEdward Tomasz Napierala * matter. 793097055e2SEdward Tomasz Napierala */ 794097055e2SEdward Tomasz Napierala uint64_t 795097055e2SEdward Tomasz Napierala racct_get_available(struct proc *p, int resource) 796097055e2SEdward Tomasz Napierala { 797097055e2SEdward Tomasz Napierala 7984b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 7994b5c9cf6SEdward Tomasz Napierala return (UINT64_MAX); 8004b5c9cf6SEdward Tomasz Napierala 801097055e2SEdward Tomasz Napierala #ifdef RCTL 802097055e2SEdward Tomasz Napierala return (rctl_get_available(p, resource)); 803097055e2SEdward Tomasz Napierala #else 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 { 81636af9869SEdward Tomasz Napierala 8174b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 8184b5c9cf6SEdward Tomasz Napierala 81936af9869SEdward Tomasz Napierala #ifdef RCTL 82036af9869SEdward Tomasz Napierala return (rctl_pcpu_available(p)); 82136af9869SEdward Tomasz Napierala #else 82236af9869SEdward Tomasz Napierala return (INT64_MAX); 82336af9869SEdward Tomasz Napierala #endif 82436af9869SEdward Tomasz Napierala } 82536af9869SEdward Tomasz Napierala 82636af9869SEdward Tomasz Napierala /* 827097055e2SEdward Tomasz Napierala * Decrease allocation of 'resource' by 'amount' for process 'p'. 828097055e2SEdward Tomasz Napierala */ 829097055e2SEdward Tomasz Napierala void 830097055e2SEdward Tomasz Napierala racct_sub(struct proc *p, int resource, uint64_t amount) 831097055e2SEdward Tomasz Napierala { 832097055e2SEdward Tomasz Napierala 8334b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 8344b5c9cf6SEdward Tomasz Napierala return; 8354b5c9cf6SEdward Tomasz Napierala 8362f2f522bSAndriy Gapon SDT_PROBE3(racct, kernel, rusage, sub, p, resource, amount); 837097055e2SEdward Tomasz Napierala 838097055e2SEdward Tomasz Napierala /* 839097055e2SEdward Tomasz Napierala * We need proc lock to dereference p->p_ucred. 840097055e2SEdward Tomasz Napierala */ 841097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 84236af9869SEdward Tomasz Napierala KASSERT(RACCT_CAN_DROP(resource), 843baf85d0aSEdward Tomasz Napierala ("%s: called for non-droppable resource %d", __func__, resource)); 844097055e2SEdward Tomasz Napierala 845097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 846097055e2SEdward Tomasz Napierala KASSERT(amount <= p->p_racct->r_resources[resource], 847baf85d0aSEdward Tomasz Napierala ("%s: freeing %ju of resource %d, which is more " 848baf85d0aSEdward Tomasz Napierala "than allocated %jd for %s (pid %d)", __func__, amount, resource, 849097055e2SEdward Tomasz Napierala (intmax_t)p->p_racct->r_resources[resource], p->p_comm, p->p_pid)); 850097055e2SEdward Tomasz Napierala 8513768a5dfSJeremie Le Hen racct_adjust_resource(p->p_racct, resource, -amount); 852097055e2SEdward Tomasz Napierala racct_sub_cred_locked(p->p_ucred, resource, amount); 853097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 854097055e2SEdward Tomasz Napierala } 855097055e2SEdward Tomasz Napierala 856097055e2SEdward Tomasz Napierala static void 857097055e2SEdward Tomasz Napierala racct_sub_cred_locked(struct ucred *cred, int resource, uint64_t amount) 858097055e2SEdward Tomasz Napierala { 859097055e2SEdward Tomasz Napierala struct prison *pr; 860097055e2SEdward Tomasz Napierala 8614b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 8624b5c9cf6SEdward Tomasz Napierala 8632f2f522bSAndriy Gapon SDT_PROBE3(racct, kernel, rusage, sub__cred, cred, resource, amount); 864097055e2SEdward Tomasz Napierala 865097055e2SEdward Tomasz Napierala #ifdef notyet 86636af9869SEdward Tomasz Napierala KASSERT(RACCT_CAN_DROP(resource), 867baf85d0aSEdward Tomasz Napierala ("%s: called for resource %d which can not drop", __func__, 868097055e2SEdward Tomasz Napierala resource)); 869097055e2SEdward Tomasz Napierala #endif 870097055e2SEdward 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 888097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 889097055e2SEdward Tomasz Napierala racct_sub_cred_locked(cred, resource, amount); 890097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 891097055e2SEdward Tomasz Napierala } 892097055e2SEdward Tomasz Napierala 893097055e2SEdward Tomasz Napierala /* 894097055e2SEdward Tomasz Napierala * Inherit resource usage information from the parent process. 895097055e2SEdward Tomasz Napierala */ 896097055e2SEdward Tomasz Napierala int 897097055e2SEdward Tomasz Napierala racct_proc_fork(struct proc *parent, struct proc *child) 898097055e2SEdward Tomasz Napierala { 899097055e2SEdward Tomasz Napierala int i, error = 0; 900097055e2SEdward Tomasz Napierala 9014b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 9024b5c9cf6SEdward Tomasz Napierala return (0); 9034b5c9cf6SEdward Tomasz Napierala 904097055e2SEdward Tomasz Napierala /* 905097055e2SEdward Tomasz Napierala * Create racct for the child process. 906097055e2SEdward Tomasz Napierala */ 907097055e2SEdward Tomasz Napierala racct_create(&child->p_racct); 908097055e2SEdward Tomasz Napierala 909097055e2SEdward Tomasz Napierala PROC_LOCK(parent); 910097055e2SEdward Tomasz Napierala PROC_LOCK(child); 911097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 912097055e2SEdward Tomasz Napierala 913c0c09362SEdward Tomasz Napierala #ifdef RCTL 914c0c09362SEdward Tomasz Napierala error = rctl_proc_fork(parent, child); 915c0c09362SEdward Tomasz Napierala if (error != 0) 916c0c09362SEdward Tomasz Napierala goto out; 917c0c09362SEdward Tomasz Napierala #endif 918c0c09362SEdward Tomasz Napierala 91936af9869SEdward Tomasz Napierala /* Init process cpu time. */ 92036af9869SEdward Tomasz Napierala child->p_prev_runtime = 0; 92136af9869SEdward Tomasz Napierala child->p_throttled = 0; 92236af9869SEdward Tomasz Napierala 923097055e2SEdward Tomasz Napierala /* 924097055e2SEdward Tomasz Napierala * Inherit resource usage. 925097055e2SEdward Tomasz Napierala */ 926097055e2SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 927097055e2SEdward Tomasz Napierala if (parent->p_racct->r_resources[i] == 0 || 9284fe84775SEdward Tomasz Napierala !RACCT_IS_INHERITABLE(i)) 929097055e2SEdward Tomasz Napierala continue; 930097055e2SEdward Tomasz Napierala 931097055e2SEdward Tomasz Napierala error = racct_set_locked(child, i, 932097055e2SEdward Tomasz Napierala parent->p_racct->r_resources[i]); 933ac6fafe6SEdward Tomasz Napierala if (error != 0) 934097055e2SEdward Tomasz Napierala goto out; 935097055e2SEdward Tomasz Napierala } 936097055e2SEdward Tomasz Napierala 9372d8696d1SEdward Tomasz Napierala error = racct_add_locked(child, RACCT_NPROC, 1); 9382d8696d1SEdward Tomasz Napierala error += racct_add_locked(child, RACCT_NTHR, 1); 9392d8696d1SEdward Tomasz Napierala 940097055e2SEdward Tomasz Napierala out: 941097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 942097055e2SEdward Tomasz Napierala PROC_UNLOCK(child); 943097055e2SEdward Tomasz Napierala PROC_UNLOCK(parent); 944097055e2SEdward Tomasz Napierala 945ab27d5d8SEdward Tomasz Napierala if (error != 0) 946ab27d5d8SEdward Tomasz Napierala racct_proc_exit(child); 947ab27d5d8SEdward Tomasz Napierala 948097055e2SEdward Tomasz Napierala return (error); 949097055e2SEdward Tomasz Napierala } 950097055e2SEdward Tomasz Napierala 95172a401d9SEdward Tomasz Napierala /* 95272a401d9SEdward Tomasz Napierala * Called at the end of fork1(), to handle rules that require the process 95372a401d9SEdward Tomasz Napierala * to be fully initialized. 95472a401d9SEdward Tomasz Napierala */ 95572a401d9SEdward Tomasz Napierala void 95672a401d9SEdward Tomasz Napierala racct_proc_fork_done(struct proc *child) 95772a401d9SEdward Tomasz Napierala { 95872a401d9SEdward Tomasz Napierala 95972a401d9SEdward Tomasz Napierala #ifdef RCTL 9604b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 9614b5c9cf6SEdward Tomasz Napierala return; 9624b5c9cf6SEdward Tomasz Napierala 96372a401d9SEdward Tomasz Napierala PROC_LOCK(child); 96472a401d9SEdward Tomasz Napierala mtx_lock(&racct_lock); 96572a401d9SEdward Tomasz Napierala rctl_enforce(child, RACCT_NPROC, 0); 96672a401d9SEdward Tomasz Napierala rctl_enforce(child, RACCT_NTHR, 0); 96772a401d9SEdward Tomasz Napierala mtx_unlock(&racct_lock); 96872a401d9SEdward Tomasz Napierala PROC_UNLOCK(child); 96972a401d9SEdward Tomasz Napierala #endif 97072a401d9SEdward Tomasz Napierala } 97172a401d9SEdward Tomasz Napierala 972097055e2SEdward Tomasz Napierala void 973097055e2SEdward Tomasz Napierala racct_proc_exit(struct proc *p) 974097055e2SEdward Tomasz Napierala { 9752419d7f9SEdward Tomasz Napierala int i; 976097055e2SEdward Tomasz Napierala uint64_t runtime; 97736af9869SEdward Tomasz Napierala struct timeval wallclock; 97836af9869SEdward Tomasz Napierala uint64_t pct_estimate, pct; 979097055e2SEdward Tomasz Napierala 9804b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 9814b5c9cf6SEdward Tomasz Napierala return; 9824b5c9cf6SEdward Tomasz Napierala 983097055e2SEdward Tomasz Napierala PROC_LOCK(p); 984097055e2SEdward Tomasz Napierala /* 985097055e2SEdward Tomasz Napierala * We don't need to calculate rux, proc_reap() has already done this. 986097055e2SEdward Tomasz Napierala */ 987097055e2SEdward Tomasz Napierala runtime = cputick2usec(p->p_rux.rux_runtime); 988097055e2SEdward Tomasz Napierala #ifdef notyet 989097055e2SEdward Tomasz Napierala KASSERT(runtime >= p->p_prev_runtime, ("runtime < p_prev_runtime")); 990097055e2SEdward Tomasz Napierala #else 991097055e2SEdward Tomasz Napierala if (runtime < p->p_prev_runtime) 992097055e2SEdward Tomasz Napierala runtime = p->p_prev_runtime; 993097055e2SEdward Tomasz Napierala #endif 99436af9869SEdward Tomasz Napierala microuptime(&wallclock); 99536af9869SEdward Tomasz Napierala timevalsub(&wallclock, &p->p_stats->p_start); 99684590fd8SEdward Tomasz Napierala if (wallclock.tv_sec > 0 || wallclock.tv_usec > 0) { 99736af9869SEdward Tomasz Napierala pct_estimate = (1000000 * runtime * 100) / 99836af9869SEdward Tomasz Napierala ((uint64_t)wallclock.tv_sec * 1000000 + 99936af9869SEdward Tomasz Napierala wallclock.tv_usec); 100084590fd8SEdward Tomasz Napierala } else 100184590fd8SEdward Tomasz Napierala pct_estimate = 0; 100236af9869SEdward Tomasz Napierala pct = racct_getpcpu(p, pct_estimate); 100336af9869SEdward Tomasz Napierala 10042419d7f9SEdward Tomasz Napierala mtx_lock(&racct_lock); 10052419d7f9SEdward Tomasz Napierala racct_set_locked(p, RACCT_CPU, runtime); 100636af9869SEdward Tomasz Napierala racct_add_cred_locked(p->p_ucred, RACCT_PCTCPU, pct); 1007097055e2SEdward Tomasz Napierala 10082419d7f9SEdward Tomasz Napierala for (i = 0; i <= RACCT_MAX; i++) { 10092419d7f9SEdward Tomasz Napierala if (p->p_racct->r_resources[i] == 0) 10102419d7f9SEdward Tomasz Napierala continue; 10112419d7f9SEdward Tomasz Napierala if (!RACCT_IS_RECLAIMABLE(i)) 10122419d7f9SEdward Tomasz Napierala continue; 10132419d7f9SEdward Tomasz Napierala racct_set_locked(p, i, 0); 10142419d7f9SEdward Tomasz Napierala } 10152419d7f9SEdward Tomasz Napierala 10162419d7f9SEdward Tomasz Napierala mtx_unlock(&racct_lock); 1017097055e2SEdward Tomasz Napierala PROC_UNLOCK(p); 1018097055e2SEdward Tomasz Napierala 1019097055e2SEdward Tomasz Napierala #ifdef RCTL 1020097055e2SEdward Tomasz Napierala rctl_racct_release(p->p_racct); 1021097055e2SEdward Tomasz Napierala #endif 1022097055e2SEdward Tomasz Napierala racct_destroy(&p->p_racct); 1023097055e2SEdward Tomasz Napierala } 1024097055e2SEdward Tomasz Napierala 1025097055e2SEdward Tomasz Napierala /* 1026097055e2SEdward Tomasz Napierala * Called after credentials change, to move resource utilisation 1027097055e2SEdward Tomasz Napierala * between raccts. 1028097055e2SEdward Tomasz Napierala */ 1029097055e2SEdward Tomasz Napierala void 1030097055e2SEdward Tomasz Napierala racct_proc_ucred_changed(struct proc *p, struct ucred *oldcred, 1031097055e2SEdward Tomasz Napierala struct ucred *newcred) 1032097055e2SEdward Tomasz Napierala { 1033097055e2SEdward Tomasz Napierala struct uidinfo *olduip, *newuip; 1034097055e2SEdward Tomasz Napierala struct loginclass *oldlc, *newlc; 1035097055e2SEdward Tomasz Napierala struct prison *oldpr, *newpr, *pr; 1036097055e2SEdward Tomasz Napierala 10374b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 10384b5c9cf6SEdward Tomasz Napierala return; 10394b5c9cf6SEdward Tomasz Napierala 1040097055e2SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_NOTOWNED); 1041097055e2SEdward Tomasz Napierala 1042097055e2SEdward Tomasz Napierala newuip = newcred->cr_ruidinfo; 1043097055e2SEdward Tomasz Napierala olduip = oldcred->cr_ruidinfo; 1044097055e2SEdward Tomasz Napierala newlc = newcred->cr_loginclass; 1045097055e2SEdward Tomasz Napierala oldlc = oldcred->cr_loginclass; 1046097055e2SEdward Tomasz Napierala newpr = newcred->cr_prison; 1047097055e2SEdward Tomasz Napierala oldpr = oldcred->cr_prison; 1048097055e2SEdward Tomasz Napierala 1049097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 1050097055e2SEdward Tomasz Napierala if (newuip != olduip) { 1051097055e2SEdward Tomasz Napierala racct_sub_racct(olduip->ui_racct, p->p_racct); 1052097055e2SEdward Tomasz Napierala racct_add_racct(newuip->ui_racct, p->p_racct); 1053097055e2SEdward Tomasz Napierala } 1054097055e2SEdward Tomasz Napierala if (newlc != oldlc) { 1055097055e2SEdward Tomasz Napierala racct_sub_racct(oldlc->lc_racct, p->p_racct); 1056097055e2SEdward Tomasz Napierala racct_add_racct(newlc->lc_racct, p->p_racct); 1057097055e2SEdward Tomasz Napierala } 1058097055e2SEdward Tomasz Napierala if (newpr != oldpr) { 1059097055e2SEdward Tomasz Napierala for (pr = oldpr; pr != NULL; pr = pr->pr_parent) 1060a7ad07bfSEdward Tomasz Napierala racct_sub_racct(pr->pr_prison_racct->prr_racct, 1061a7ad07bfSEdward Tomasz Napierala p->p_racct); 1062097055e2SEdward Tomasz Napierala for (pr = newpr; pr != NULL; pr = pr->pr_parent) 1063a7ad07bfSEdward Tomasz Napierala racct_add_racct(pr->pr_prison_racct->prr_racct, 1064a7ad07bfSEdward Tomasz Napierala p->p_racct); 1065097055e2SEdward Tomasz Napierala } 1066097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 1067097055e2SEdward Tomasz Napierala 1068097055e2SEdward Tomasz Napierala #ifdef RCTL 1069097055e2SEdward Tomasz Napierala rctl_proc_ucred_changed(p, newcred); 1070097055e2SEdward Tomasz Napierala #endif 1071097055e2SEdward Tomasz Napierala } 1072097055e2SEdward Tomasz Napierala 1073c34bbd2aSEdward Tomasz Napierala void 1074c34bbd2aSEdward Tomasz Napierala racct_move(struct racct *dest, struct racct *src) 1075c34bbd2aSEdward Tomasz Napierala { 1076c34bbd2aSEdward Tomasz Napierala 10774b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 10784b5c9cf6SEdward Tomasz Napierala 1079c34bbd2aSEdward Tomasz Napierala mtx_lock(&racct_lock); 1080c34bbd2aSEdward Tomasz Napierala 1081c34bbd2aSEdward Tomasz Napierala racct_add_racct(dest, src); 1082c34bbd2aSEdward Tomasz Napierala racct_sub_racct(src, src); 1083c34bbd2aSEdward Tomasz Napierala 1084c34bbd2aSEdward Tomasz Napierala mtx_unlock(&racct_lock); 1085c34bbd2aSEdward Tomasz Napierala } 1086c34bbd2aSEdward Tomasz Napierala 1087097055e2SEdward Tomasz Napierala static void 108836af9869SEdward Tomasz Napierala racct_proc_throttle(struct proc *p) 108936af9869SEdward Tomasz Napierala { 109036af9869SEdward Tomasz Napierala struct thread *td; 109136af9869SEdward Tomasz Napierala #ifdef SMP 109236af9869SEdward Tomasz Napierala int cpuid; 109336af9869SEdward Tomasz Napierala #endif 109436af9869SEdward Tomasz Napierala 10954b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 109636af9869SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 109736af9869SEdward Tomasz Napierala 109836af9869SEdward Tomasz Napierala /* 109936af9869SEdward Tomasz Napierala * Do not block kernel processes. Also do not block processes with 110036af9869SEdward Tomasz Napierala * low %cpu utilization to improve interactivity. 110136af9869SEdward Tomasz Napierala */ 110236af9869SEdward Tomasz Napierala if (((p->p_flag & (P_SYSTEM | P_KTHREAD)) != 0) || 110336af9869SEdward Tomasz Napierala (p->p_racct->r_resources[RACCT_PCTCPU] <= pcpu_threshold)) 110436af9869SEdward Tomasz Napierala return; 110536af9869SEdward Tomasz Napierala p->p_throttled = 1; 110636af9869SEdward Tomasz Napierala 110736af9869SEdward Tomasz Napierala FOREACH_THREAD_IN_PROC(p, td) { 110816befafdSEdward Tomasz Napierala thread_lock(td); 110936af9869SEdward Tomasz Napierala switch (td->td_state) { 111036af9869SEdward Tomasz Napierala case TDS_RUNQ: 111136af9869SEdward Tomasz Napierala /* 111236af9869SEdward Tomasz Napierala * If the thread is on the scheduler run-queue, we can 111336af9869SEdward Tomasz Napierala * not just remove it from there. So we set the flag 111436af9869SEdward Tomasz Napierala * TDF_NEEDRESCHED for the thread, so that once it is 111536af9869SEdward Tomasz Napierala * running, it is taken off the cpu as soon as possible. 111636af9869SEdward Tomasz Napierala */ 111736af9869SEdward Tomasz Napierala td->td_flags |= TDF_NEEDRESCHED; 111836af9869SEdward Tomasz Napierala break; 111936af9869SEdward Tomasz Napierala case TDS_RUNNING: 112036af9869SEdward Tomasz Napierala /* 112136af9869SEdward Tomasz Napierala * If the thread is running, we request a context 112236af9869SEdward Tomasz Napierala * switch for it by setting the TDF_NEEDRESCHED flag. 112336af9869SEdward Tomasz Napierala */ 112436af9869SEdward Tomasz Napierala td->td_flags |= TDF_NEEDRESCHED; 112536af9869SEdward Tomasz Napierala #ifdef SMP 112636af9869SEdward Tomasz Napierala cpuid = td->td_oncpu; 112736af9869SEdward Tomasz Napierala if ((cpuid != NOCPU) && (td != curthread)) 112836af9869SEdward Tomasz Napierala ipi_cpu(cpuid, IPI_AST); 112936af9869SEdward Tomasz Napierala #endif 113036af9869SEdward Tomasz Napierala break; 113136af9869SEdward Tomasz Napierala default: 113236af9869SEdward Tomasz Napierala break; 113336af9869SEdward Tomasz Napierala } 113416befafdSEdward Tomasz Napierala thread_unlock(td); 113536af9869SEdward Tomasz Napierala } 113636af9869SEdward Tomasz Napierala } 113736af9869SEdward Tomasz Napierala 113836af9869SEdward Tomasz Napierala static void 113936af9869SEdward Tomasz Napierala racct_proc_wakeup(struct proc *p) 114036af9869SEdward Tomasz Napierala { 11414b5c9cf6SEdward Tomasz Napierala 11424b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 11434b5c9cf6SEdward Tomasz Napierala 114436af9869SEdward Tomasz Napierala PROC_LOCK_ASSERT(p, MA_OWNED); 114536af9869SEdward Tomasz Napierala 114636af9869SEdward Tomasz Napierala if (p->p_throttled) { 114736af9869SEdward Tomasz Napierala p->p_throttled = 0; 114836af9869SEdward Tomasz Napierala wakeup(p->p_racct); 114936af9869SEdward Tomasz Napierala } 115036af9869SEdward Tomasz Napierala } 115136af9869SEdward Tomasz Napierala 115236af9869SEdward Tomasz Napierala static void 115336af9869SEdward Tomasz Napierala racct_decay_resource(struct racct *racct, void * res, void* dummy) 115436af9869SEdward Tomasz Napierala { 115536af9869SEdward Tomasz Napierala int resource; 115636af9869SEdward Tomasz Napierala int64_t r_old, r_new; 115736af9869SEdward Tomasz Napierala 11584b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 115915db3c07SEdward Tomasz Napierala mtx_assert(&racct_lock, MA_OWNED); 11604b5c9cf6SEdward Tomasz Napierala 116136af9869SEdward Tomasz Napierala resource = *(int *)res; 116236af9869SEdward Tomasz Napierala r_old = racct->r_resources[resource]; 116336af9869SEdward Tomasz Napierala 116436af9869SEdward Tomasz Napierala /* If there is nothing to decay, just exit. */ 116536af9869SEdward Tomasz Napierala if (r_old <= 0) 116636af9869SEdward Tomasz Napierala return; 116736af9869SEdward Tomasz Napierala 116836af9869SEdward Tomasz Napierala r_new = r_old * RACCT_DECAY_FACTOR / FSCALE; 116936af9869SEdward Tomasz Napierala racct->r_resources[resource] = r_new; 117015db3c07SEdward Tomasz Napierala } 117115db3c07SEdward Tomasz Napierala 117215db3c07SEdward Tomasz Napierala static void 117315db3c07SEdward Tomasz Napierala racct_decay_pre(void) 117415db3c07SEdward Tomasz Napierala { 117515db3c07SEdward Tomasz Napierala 117615db3c07SEdward Tomasz Napierala mtx_lock(&racct_lock); 117715db3c07SEdward Tomasz Napierala } 117815db3c07SEdward Tomasz Napierala 117915db3c07SEdward Tomasz Napierala static void 118015db3c07SEdward Tomasz Napierala racct_decay_post(void) 118115db3c07SEdward Tomasz Napierala { 118215db3c07SEdward Tomasz Napierala 118336af9869SEdward Tomasz Napierala mtx_unlock(&racct_lock); 118436af9869SEdward Tomasz Napierala } 118536af9869SEdward Tomasz Napierala 118636af9869SEdward Tomasz Napierala static void 118736af9869SEdward Tomasz Napierala racct_decay(int resource) 118836af9869SEdward Tomasz Napierala { 11894b5c9cf6SEdward Tomasz Napierala 11904b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 11914b5c9cf6SEdward Tomasz Napierala 119215db3c07SEdward Tomasz Napierala ui_racct_foreach(racct_decay_resource, racct_decay_pre, 119315db3c07SEdward Tomasz Napierala racct_decay_post, &resource, NULL); 119415db3c07SEdward Tomasz Napierala loginclass_racct_foreach(racct_decay_resource, racct_decay_pre, 119515db3c07SEdward Tomasz Napierala racct_decay_post, &resource, NULL); 119615db3c07SEdward Tomasz Napierala prison_racct_foreach(racct_decay_resource, racct_decay_pre, 119715db3c07SEdward Tomasz Napierala racct_decay_post, &resource, NULL); 119836af9869SEdward Tomasz Napierala } 119936af9869SEdward Tomasz Napierala 120036af9869SEdward Tomasz Napierala static void 1201097055e2SEdward Tomasz Napierala racctd(void) 1202097055e2SEdward Tomasz Napierala { 1203097055e2SEdward Tomasz Napierala struct thread *td; 1204097055e2SEdward Tomasz Napierala struct proc *p; 1205097055e2SEdward Tomasz Napierala struct timeval wallclock; 1206097055e2SEdward Tomasz Napierala uint64_t runtime; 120736af9869SEdward Tomasz Napierala uint64_t pct, pct_estimate; 1208097055e2SEdward Tomasz Napierala 12094b5c9cf6SEdward Tomasz Napierala ASSERT_RACCT_ENABLED(); 12104b5c9cf6SEdward Tomasz Napierala 1211097055e2SEdward Tomasz Napierala for (;;) { 121236af9869SEdward Tomasz Napierala racct_decay(RACCT_PCTCPU); 121336af9869SEdward Tomasz Napierala 1214097055e2SEdward Tomasz Napierala sx_slock(&allproc_lock); 1215097055e2SEdward Tomasz Napierala 121636af9869SEdward Tomasz Napierala LIST_FOREACH(p, &zombproc, p_list) { 121736af9869SEdward Tomasz Napierala PROC_LOCK(p); 121836af9869SEdward Tomasz Napierala racct_set(p, RACCT_PCTCPU, 0); 121936af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 122036af9869SEdward Tomasz Napierala } 122136af9869SEdward Tomasz Napierala 1222097055e2SEdward Tomasz Napierala FOREACH_PROC_IN_SYSTEM(p) { 122336af9869SEdward Tomasz Napierala PROC_LOCK(p); 122436af9869SEdward Tomasz Napierala if (p->p_state != PRS_NORMAL) { 122536af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 1226097055e2SEdward Tomasz Napierala continue; 122736af9869SEdward Tomasz Napierala } 1228097055e2SEdward Tomasz Napierala 1229097055e2SEdward Tomasz Napierala microuptime(&wallclock); 1230097055e2SEdward Tomasz Napierala timevalsub(&wallclock, &p->p_stats->p_start); 12315c7bebf9SKonstantin Belousov PROC_STATLOCK(p); 12320a53cd57SEdward Tomasz Napierala FOREACH_THREAD_IN_PROC(p, td) 1233097055e2SEdward Tomasz Napierala ruxagg(p, td); 1234097055e2SEdward Tomasz Napierala runtime = cputick2usec(p->p_rux.rux_runtime); 12355c7bebf9SKonstantin Belousov PROC_STATUNLOCK(p); 1236097055e2SEdward Tomasz Napierala #ifdef notyet 1237097055e2SEdward Tomasz Napierala KASSERT(runtime >= p->p_prev_runtime, 1238097055e2SEdward Tomasz Napierala ("runtime < p_prev_runtime")); 1239097055e2SEdward Tomasz Napierala #else 1240097055e2SEdward Tomasz Napierala if (runtime < p->p_prev_runtime) 1241097055e2SEdward Tomasz Napierala runtime = p->p_prev_runtime; 1242097055e2SEdward Tomasz Napierala #endif 1243097055e2SEdward Tomasz Napierala p->p_prev_runtime = runtime; 124484590fd8SEdward Tomasz Napierala if (wallclock.tv_sec > 0 || wallclock.tv_usec > 0) { 124536af9869SEdward Tomasz Napierala pct_estimate = (1000000 * runtime * 100) / 124636af9869SEdward Tomasz Napierala ((uint64_t)wallclock.tv_sec * 1000000 + 124736af9869SEdward Tomasz Napierala wallclock.tv_usec); 124884590fd8SEdward Tomasz Napierala } else 124984590fd8SEdward Tomasz Napierala pct_estimate = 0; 125036af9869SEdward Tomasz Napierala pct = racct_getpcpu(p, pct_estimate); 1251097055e2SEdward Tomasz Napierala mtx_lock(&racct_lock); 125236af9869SEdward Tomasz Napierala racct_set_force_locked(p, RACCT_PCTCPU, pct); 1253097055e2SEdward Tomasz Napierala racct_set_locked(p, RACCT_CPU, runtime); 1254097055e2SEdward Tomasz Napierala racct_set_locked(p, RACCT_WALLCLOCK, 125559f513cdSJaakko Heinonen (uint64_t)wallclock.tv_sec * 1000000 + 125659f513cdSJaakko Heinonen wallclock.tv_usec); 1257097055e2SEdward Tomasz Napierala mtx_unlock(&racct_lock); 1258097055e2SEdward Tomasz Napierala PROC_UNLOCK(p); 1259097055e2SEdward Tomasz Napierala } 126036af9869SEdward Tomasz Napierala 126136af9869SEdward Tomasz Napierala /* 126236af9869SEdward Tomasz Napierala * To ensure that processes are throttled in a fair way, we need 126336af9869SEdward Tomasz Napierala * to iterate over all processes again and check the limits 126436af9869SEdward Tomasz Napierala * for %cpu resource only after ucred racct containers have been 126536af9869SEdward Tomasz Napierala * properly filled. 126636af9869SEdward Tomasz Napierala */ 126736af9869SEdward Tomasz Napierala FOREACH_PROC_IN_SYSTEM(p) { 126836af9869SEdward Tomasz Napierala PROC_LOCK(p); 126936af9869SEdward Tomasz Napierala if (p->p_state != PRS_NORMAL) { 127036af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 127136af9869SEdward Tomasz Napierala continue; 127236af9869SEdward Tomasz Napierala } 127336af9869SEdward Tomasz Napierala 127436af9869SEdward Tomasz Napierala if (racct_pcpu_available(p) <= 0) 127536af9869SEdward Tomasz Napierala racct_proc_throttle(p); 127636af9869SEdward Tomasz Napierala else if (p->p_throttled) 127736af9869SEdward Tomasz Napierala racct_proc_wakeup(p); 127836af9869SEdward Tomasz Napierala PROC_UNLOCK(p); 127936af9869SEdward Tomasz Napierala } 1280097055e2SEdward Tomasz Napierala sx_sunlock(&allproc_lock); 1281097055e2SEdward Tomasz Napierala pause("-", hz); 1282097055e2SEdward Tomasz Napierala } 1283097055e2SEdward Tomasz Napierala } 1284097055e2SEdward Tomasz Napierala 1285097055e2SEdward Tomasz Napierala static struct kproc_desc racctd_kp = { 1286097055e2SEdward Tomasz Napierala "racctd", 1287097055e2SEdward Tomasz Napierala racctd, 1288097055e2SEdward Tomasz Napierala NULL 1289097055e2SEdward Tomasz Napierala }; 12904b5c9cf6SEdward Tomasz Napierala 12914b5c9cf6SEdward Tomasz Napierala static void 12924b5c9cf6SEdward Tomasz Napierala racctd_init(void) 12934b5c9cf6SEdward Tomasz Napierala { 12944b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 12954b5c9cf6SEdward Tomasz Napierala return; 12964b5c9cf6SEdward Tomasz Napierala 12974b5c9cf6SEdward Tomasz Napierala kproc_start(&racctd_kp); 12984b5c9cf6SEdward Tomasz Napierala } 12994b5c9cf6SEdward Tomasz Napierala SYSINIT(racctd, SI_SUB_RACCTD, SI_ORDER_FIRST, racctd_init, NULL); 1300097055e2SEdward Tomasz Napierala 1301097055e2SEdward Tomasz Napierala static void 1302097055e2SEdward Tomasz Napierala racct_init(void) 1303097055e2SEdward Tomasz Napierala { 13044b5c9cf6SEdward Tomasz Napierala if (!racct_enable) 13054b5c9cf6SEdward Tomasz Napierala return; 1306097055e2SEdward Tomasz Napierala 1307097055e2SEdward Tomasz Napierala racct_zone = uma_zcreate("racct", sizeof(struct racct), 1308097055e2SEdward Tomasz Napierala NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE); 1309097055e2SEdward Tomasz Napierala /* 1310097055e2SEdward Tomasz Napierala * XXX: Move this somewhere. 1311097055e2SEdward Tomasz Napierala */ 1312a7ad07bfSEdward Tomasz Napierala prison0.pr_prison_racct = prison_racct_find("0"); 1313097055e2SEdward Tomasz Napierala } 1314097055e2SEdward Tomasz Napierala SYSINIT(racct, SI_SUB_RACCT, SI_ORDER_FIRST, racct_init, NULL); 1315097055e2SEdward Tomasz Napierala 1316097055e2SEdward Tomasz Napierala #endif /* !RACCT */ 1317