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ps: Add OOM and OOMADJ fields

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top has had the OOMs and OOMa fields since 2011. Ten years its
probably time that ps had these fields added too.

ps output options have oom and oomadj for OOM Score and OOM Adjustment
respectively.

References:
 procps-ng/procps#198
 commit 367fd902da
 https://www.freelists.org/post/procps/PATCH-12-Add-missed-oom-support-to-libproc
This commit is contained in:
Craig Small
2021-03-05 17:22:29 +11:00
parent add01998e4
commit 9ddbc82000
5 changed files with 28 additions and 1 deletions
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11
ps/output.c
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@@ -704,6 +704,15 @@ setREL2(NICE,SCHED_CLASS)
return snprintf(outbuf, COLWID, "%d", rSv(NICE, s_int, pp));
}
static int pr_oom_adj(char *restrict const outbuf, const proc_t *restrict const pp){
setREL1(OOM_ADJ)
return snprintf(outbuf, COLWID, "%d", rSv(OOM_ADJ, s_int, pp));
}
static int pr_oom(char *restrict const outbuf, const proc_t *restrict const pp){
setREL1(OOM_SCORE)
return snprintf(outbuf, COLWID, "%d", rSv(OOM_SCORE, s_int, pp));
}
// HP-UX "cls": RT RR RR2 ???? HPUX FIFO KERN
// Solaris "class": SYS TS FX IA RT FSS (FIFO is RR w/ Inf quant)
// FIFO+RR share RT; FIFO has Inf quant
@@ -1634,6 +1643,8 @@ static const format_struct format_array[] = { /*
{"numa", "NUMA", pr_numa, PIDS_PROCESSOR_NODE, 4, XXX, AN|RIGHT},
{"nvcsw", "VCSW", pr_nop, PIDS_noop, 5, XXX, AN|RIGHT},
{"nwchan", "WCHAN", pr_nop, PIDS_noop, 6, XXX, TO|RIGHT},
{"oom", "OOM", pr_oom, PIDS_OOM_SCORE, 4, XXX, TO|RIGHT},
{"oomadj", "OOMADJ", pr_oom_adj, PIDS_OOM_ADJ, 5, XXX, TO|RIGHT},
{"opri", "PRI", pr_opri, PIDS_PRIORITY, 3, SUN, TO|RIGHT},
{"osz", "SZ", pr_nop, PIDS_noop, 2, SUN, PO|RIGHT},
{"oublk", "OUBLK", pr_nop, PIDS_noop, 5, BSD, AN|RIGHT}, /*oublock*/