diff options
| author | Ivan Voras <ivoras@FreeBSD.org> | 2009-12-16 21:48:27 +0000 |
|---|---|---|
| committer | Ivan Voras <ivoras@FreeBSD.org> | 2009-12-16 21:48:27 +0000 |
| commit | 2f3d68cd094257653be865d20bbdf0bf839dfa57 (patch) | |
| tree | 9b13c7a363bde82a48db4c302ec574ae71b6a5f6 | |
| parent | 23c703cfc8b325c2699988fba0031d11783c967f (diff) | |
Notes
| -rw-r--r-- | sys/kern/sched_ule.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c index e0cff5f3647a..593652f75713 100644 --- a/sys/kern/sched_ule.c +++ b/sys/kern/sched_ule.c @@ -103,6 +103,7 @@ struct td_sched { u_int ts_slptime; /* Number of ticks we vol. slept */ u_int ts_runtime; /* Number of ticks we were running */ int ts_ltick; /* Last tick that we were running on */ + int ts_incrtick; /* Last tick that we incremented on */ int ts_ftick; /* First tick that we were running on */ int ts_ticks; /* Tick count */ #ifdef KTR @@ -1991,6 +1992,7 @@ sched_fork_thread(struct thread *td, struct thread *child) */ ts2->ts_ticks = ts->ts_ticks; ts2->ts_ltick = ts->ts_ltick; + ts2->ts_incrtick = ts->ts_incrtick; ts2->ts_ftick = ts->ts_ftick; child->td_user_pri = td->td_user_pri; child->td_base_user_pri = td->td_base_user_pri; @@ -2182,11 +2184,12 @@ sched_tick(void) * Ticks is updated asynchronously on a single cpu. Check here to * avoid incrementing ts_ticks multiple times in a single tick. */ - if (ts->ts_ltick == ticks) + if (ts->ts_incrtick == ticks) return; /* Adjust ticks for pctcpu */ ts->ts_ticks += 1 << SCHED_TICK_SHIFT; ts->ts_ltick = ticks; + ts->ts_incrtick = ticks; /* * Update if we've exceeded our desired tick threshhold by over one * second. |