lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge branch 'cputime' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

Browse Source 
* 'cputime' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
  [PATCH] fast vdso implementation for CLOCK_THREAD_CPUTIME_ID
  [PATCH] improve idle cputime accounting
  [PATCH] improve precision of idle time detection.
  [PATCH] improve precision of process accounting.
  [PATCH] idle cputime accounting
  [PATCH] fix scaled & unscaled cputime accounting
This commit is contained in:
Linus Torvalds
2009-01-03 11:56:24 -08:00
parent d97106ab53 c742b31c03
commit 61420f59a5
30 changed files with 691 additions and 464 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
arch/x86/xen/time.c
View File

@@ -132,8 +132,7 @@ static void do_stolen_accounting(void)
*snap = state;
/* Add the appropriate number of ticks of stolen time,
including any left-overs from last time. Passing NULL to
account_steal_time accounts the time as stolen. */
including any left-overs from last time. */
stolen = runnable + offline + __get_cpu_var(residual_stolen);
if (stolen < 0)
@@ -141,11 +140,10 @@ static void do_stolen_accounting(void)
ticks = iter_div_u64_rem(stolen, NS_PER_TICK, &stolen);
__get_cpu_var(residual_stolen) = stolen;
account_steal_time(NULL, ticks);
account_steal_ticks(ticks);
/* Add the appropriate number of ticks of blocked time,
including any left-overs from last time. Passing idle to
account_steal_time accounts the time as idle/wait. */
including any left-overs from last time. */
blocked += __get_cpu_var(residual_blocked);
if (blocked < 0)
@@ -153,7 +151,7 @@ static void do_stolen_accounting(void)
ticks = iter_div_u64_rem(blocked, NS_PER_TICK, &blocked);
__get_cpu_var(residual_blocked) = blocked;
account_steal_time(idle_task(smp_processor_id()), ticks);
account_idle_ticks(ticks);
}
/*