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File _service:obs_scm:proc-del-unused-items-getting-from-proc-stat-refresh.patch of Package vmtop
From da33b45b1945c2eae9cadb04b021179e2640670a Mon Sep 17 00:00:00 2001 From: nocjj <1250062498@qq.com> Date: Tue, 16 Mar 2021 13:55:36 +0800 Subject: [PATCH] proc: del unused items getting from proc stat refresh Currently, vmtop gets a lot of items from /proc/pid/stat, and there are many unused data in these items, which will add a lot of cpu usage. So, del these item's getting process. Signed-off-by: nocjj <1250062498@qq.com> --- src/proc.c | 28 +++++++++++++--------------- src/proc.h | 14 -------------- src/type.h | 16 +--------------- 3 files changed, 14 insertions(+), 44 deletions(-) diff --git a/src/proc.c b/src/proc.c index 0263c67..d33ede3 100644 --- a/src/proc.c +++ b/src/proc.c @@ -24,9 +24,9 @@ struct file_item proc_stab[] = { {"%c", GF(state)}, {"%d", GF(ppid)}, {"%d", GF(pgrd)}, - {"%d", GF(session)}, - {"%d", GF(tty)}, - {"%d", GF(tpgid)}, + {"%*d", NULL, NULL, NULL}, + {"%*d", NULL, NULL, NULL}, + {"%*d", NULL, NULL, NULL}, {"%lu", GF(flags)}, {"%lu", GF(min_flt)}, {"%lu", GF(cmin_flt)}, @@ -36,30 +36,28 @@ struct file_item proc_stab[] = { {"%llu", GDF(stime)}, {"%llu", GF(cutime)}, {"%llu", GF(cstime)}, - {"%ld", GF(priority)}, - {"%ld", GF(nice)}, + {"%*ld", NULL, NULL, NULL}, + {"%*ld", NULL, NULL, NULL}, {"%d", GF(nlwp)}, {"%ld", GF(alarm)}, {"%llu", GF(start_time)}, {"%lu", GF(vsize)}, {"%ld", GF(rss)}, {"%lu", GF(rss_rlim)}, - {"%lu", GF(start_code)}, - {"%lu", GF(end_code)}, - {"%lu", GF(start_stack)}, - {"%lu", GF(kstk_esp)}, - {"%lu", GF(kstk_eip)}, + {"%*lu", NULL, NULL, NULL}, + {"%*lu", NULL, NULL, NULL}, + {"%*lu", NULL, NULL, NULL}, + {"%*lu", NULL, NULL, NULL}, + {"%*lu", NULL, NULL, NULL}, {"%*s", NULL, NULL, NULL}, /* discard signal */ {"%*s", NULL, NULL, NULL}, /* discard blocked */ {"%*s", NULL, NULL, NULL}, /* discard sigignore */ {"%*s", NULL, NULL, NULL}, /* discard sigcatch */ - {"%lu", GF(wchan)}, + {"%*lu", NULL, NULL, NULL}, {"%*u", NULL, NULL, NULL}, /* dsicard nswap */ {"%*u", NULL, NULL, NULL}, /* discard cnswap */ - {"%d", GF(exit_signal)}, - {"%d", GF(processor)}, - {"%lu", GF(rtprio)}, - {"%lu", GF(sched)} + {"%*d", NULL, NULL, NULL}, + {"%d", GF(processor)} #undef GF #undef GDF }; diff --git a/src/proc.h b/src/proc.h index a7fd443..0061ab1 100644 --- a/src/proc.h +++ b/src/proc.h @@ -16,9 +16,6 @@ GET_VALUE(state) GET_VALUE(ppid) GET_VALUE(pgrd) -GET_VALUE(session) -GET_VALUE(tty) -GET_VALUE(tpgid) GET_VALUE(flags) GET_VALUE(min_flt) GET_VALUE(cmin_flt) @@ -28,24 +25,13 @@ GET_DELTA_FUN(utime) GET_DELTA_FUN(stime) GET_VALUE(cutime) GET_VALUE(cstime) -GET_VALUE(priority) -GET_VALUE(nice) GET_VALUE(nlwp) GET_VALUE(alarm) GET_VALUE(start_time) GET_VALUE(vsize) GET_VALUE(rss) GET_VALUE(rss_rlim) -GET_VALUE(start_code) -GET_VALUE(end_code) -GET_VALUE(start_stack) -GET_VALUE(kstk_esp) -GET_VALUE(kstk_eip) -GET_VALUE(wchan) -GET_VALUE(exit_signal) GET_VALUE(processor) -GET_VALUE(rtprio) -GET_VALUE(sched) int get_proc_stat(struct domain *dom); void refresh_delta_stat(struct domain *new, struct domain *old); diff --git a/src/type.h b/src/type.h index 3c08387..f5d148c 100644 --- a/src/type.h +++ b/src/type.h @@ -81,15 +81,9 @@ struct domain { int ppid, pgrd, - session, - tty, - tpgid, nlwp, - exit_signal, processor; long int - priority, - nice, alarm, rss; unsigned int @@ -99,15 +93,7 @@ struct domain { maj_flt, cmaj_flt, vsize, - rss_rlim, - start_code, - end_code, - start_stack, - kstk_esp, - kstk_eip, - rtprio, - sched, - wchan; + rss_rlim; u64 DFX_VALUE(utime), DFX_VALUE(stime), -- 2.27.0
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