diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2025-12-08 16:15:20 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2025-12-08 16:16:13 +0000 |
| commit | 3f8ed605dbd0ee211ce8fe59c0c072b916d6311c (patch) | |
| tree | 3684125e57637162840ffbca798738c9d3585254 | |
| parent | 0ff0c19e7f70bc4d3f98196a8ad43de635cf13e5 (diff) | |
ruxreset: Add an inline function to reset all the stats in rusage_ext
Use it in proc0_post to reset per-process CPU usage.
Suggested by: olce
Reviewed by: olce, kib
Differential Revision: https://reviews.freebsd.org/D54049
| -rw-r--r-- | sys/kern/init_main.c | 5 | ||||
| -rw-r--r-- | sys/sys/proc.h | 12 |
2 files changed, 13 insertions, 4 deletions
diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c index 3075b2224963..6495340578da 100644 --- a/sys/kern/init_main.c +++ b/sys/kern/init_main.c @@ -660,10 +660,7 @@ proc0_post(void *dummy __unused) microuptime(&p->p_stats->p_start); PROC_STATLOCK(p); rufetch(p, &ru); /* Clears thread stats */ - p->p_rux.rux_runtime = 0; - p->p_rux.rux_uticks = 0; - p->p_rux.rux_sticks = 0; - p->p_rux.rux_iticks = 0; + ruxreset(&p->p_rux); PROC_STATUNLOCK(p); FOREACH_THREAD_IN_PROC(p, td) { td->td_runtime = 0; diff --git a/sys/sys/proc.h b/sys/sys/proc.h index 23b052e21063..b27b67999e8b 100644 --- a/sys/sys/proc.h +++ b/sys/sys/proc.h @@ -1326,6 +1326,18 @@ td_get_sched(struct thread *td) return ((struct td_sched *)&td[1]); } +static __inline void +ruxreset(struct rusage_ext *rux) +{ + rux->rux_runtime = 0; + rux->rux_uticks = 0; + rux->rux_sticks = 0; + rux->rux_iticks = 0; + rux->rux_uu = 0; + rux->rux_su = 0; + rux->rux_tu = 0; +} + #define PROC_ID_PID 0 #define PROC_ID_GROUP 1 #define PROC_ID_SESSION 2 |