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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-13 23:39:42 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-13 23:39:42 +0100 |
| commit | 9fdfbc2bff587f454dd95e2caa6d147c9abe39e4 (patch) | |
| tree | 2feaee47cbcfb57dd0d5cf23509e22011541e717 /lib | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes (diff) | |
| parent | perf: Provide generic perf_sample_data initialization (diff) | |
| download | linux-9fdfbc2bff587f454dd95e2caa6d147c9abe39e4.tar.xz linux-9fdfbc2bff587f454dd95e2caa6d147c9abe39e4.zip | |
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf: Provide generic perf_sample_data initialization
MAINTAINERS: Add Arnaldo as tools/perf/ co-maintainer
perf trace: Don't use pager if scripting
perf trace/scripting: Remove extraneous header read
perf, ARM: Modify kuser rmb() call to compile for Thumb-2
x86/stacktrace: Don't dereference bad frame pointers
perf archive: Don't try to collect files without a build-id
perf_events, x86: Fixup fixed counter constraints
perf, x86: Restrict the ANY flag
perf, x86: rename macro in ARCH_PERFMON_EVENTSEL_ENABLE
perf, x86: add some IBS macros to perf_event.h
perf, x86: make IBS macros available in perf_event.h
hw-breakpoints: Remove stub unthrottle callback
x86/hw-breakpoints: Remove the name field
perf: Remove pointless breakpoint union
perf lock: Drop the buffers multiplexing dependency
perf lock: Fix and add misc documentally things
percpu: Add __percpu sparse annotations to hw_breakpoint
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index b520ec1f33c5..8e5ec5e1ab91 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -532,6 +532,14 @@ config LOCK_STAT For more details, see Documentation/lockstat.txt + This also enables lock events required by "perf lock", + subcommand of perf. + If you want to use "perf lock", you also need to turn on + CONFIG_EVENT_TRACING. + + CONFIG_LOCK_STAT defines "contended" and "acquired" lock events. + (CONFIG_LOCKDEP defines "acquire" and "release" events.) + config DEBUG_LOCKDEP bool "Lock dependency engine debugging" depends on DEBUG_KERNEL && LOCKDEP |