diff options
| author | Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> | 2015-06-25 23:53:37 +0530 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-07-04 10:04:30 +0200 |
| commit | f6db8347993256b58bd4746b0c4c5b935c32210d (patch) | |
| tree | 07accf585bbf5c7cb5f167a11a4e713deabb6043 /init | |
| parent | 407a2c720556e8e340e06f6a7174f5d6d80cf9ea (diff) | |
| download | lwn-f6db8347993256b58bd4746b0c4c5b935c32210d.tar.gz lwn-f6db8347993256b58bd4746b0c4c5b935c32210d.zip | |
sched/stat: Simplify the sched_info accounting dependency
Both CONFIG_SCHEDSTATS=y and CONFIG_TASK_DELAY_ACCT=y track task
sched_info, which results in ugly #if clauses.
Simplify the code by introducing a synthethic CONFIG_SCHED_INFO
switch, selected by both.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Cc: ricklind@us.ibm.com
Link: http://lkml.kernel.org/r/8d19eef800811a94b0f91bcbeb27430a884d7433.1435255405.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index b999fa381bf9..12cb556ad160 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -435,6 +435,7 @@ config TASKSTATS config TASK_DELAY_ACCT bool "Enable per-task delay accounting" depends on TASKSTATS + select SCHED_INFO help Collect information on time spent by a task waiting for system resources like cpu, synchronous block I/O completion and swapping |