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| author | Ingo Molnar <mingo@elte.hu> | 2009-09-04 14:44:16 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-04 14:44:16 +0200 |
| commit | 695a461296e5df148c99ac087b9e1cb380f4db15 (patch) | |
| tree | 951893036fdc0b7bae0e17bc739ac8ffe909781d /init/Kconfig | |
| parent | c7084b35eb1a4d3353a501508baf9d3d82822c93 (diff) | |
| parent | 2b681fafcc50fea6304ed418667c9d04282acb73 (diff) | |
Merge branch 'amd-iommu/2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into core/iommu
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig index cb2c0927022..3f7e60995c8 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -940,6 +940,7 @@ menu "Performance Counters" config PERF_COUNTERS bool "Kernel Performance Counters" + default y if PROFILING depends on HAVE_PERF_COUNTERS select ANON_INODES help @@ -961,9 +962,17 @@ config PERF_COUNTERS Say Y if unsure. config EVENT_PROFILE - bool "Tracepoint profile sources" + bool "Tracepoint profiling sources" depends on PERF_COUNTERS && EVENT_TRACING default y + help + Allow the use of tracepoints as software performance counters. + + When this is enabled, you can create perf counters based on + tracepoints using PERF_TYPE_TRACEPOINT and the tracepoint ID + found in debugfs://tracing/events/*/*/id. (The -e/--events + option to the perf tool can parse and interpret symbolic + tracepoints, in the subsystem:tracepoint_name format.) endmenu |