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| author | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:11:43 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:11:43 -0500 |
| commit | f630fe2817601314b2eb7ca5ddc23c7834646731 (patch) | |
| tree | 3bfb4939b7bbc3859575ca8b58fa3f929b015941 /lib/Kconfig.debug | |
| parent | 48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (diff) | |
| parent | 8a03d9a498eaf02c8a118752050a5154852c13bf (diff) | |
Merge branch 'master' into upstream
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 63f04c15e6f..4448f91b865 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -134,6 +134,17 @@ config SCHEDSTATS application, you can say N to avoid the very slight overhead this adds. +config TIMER_STATS + bool "Collect kernel timers statistics" + depends on DEBUG_KERNEL && PROC_FS + help + If you say Y here, additional code will be inserted into the + timer routines to collect statistics about kernel timers being + reprogrammed. The statistics can be read from /proc/timer_stats. + The statistics collection is started by writing 1 to /proc/timer_stats, + writing 0 stops it. This feature is useful to collect information + about timer usage patterns in kernel and userspace. + config DEBUG_SLAB bool "Debug slab memory allocations" depends on DEBUG_KERNEL && SLAB |