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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-08-06 01:56:54 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-08-06 01:56:54 +0400 |
| commit | c00aafcd4977769e8728292302ddbbb8b1082fab (patch) | |
| tree | 5766bcfbfd7b24816b54298b8ef34054f8cf0fae /init/Kconfig | |
| parent | 2e6713c7662cc5ebc7346b033c404cb2f708fd51 (diff) | |
| parent | 90bc1a658a53f8832ee799685703977a450e5af9 (diff) | |
| download | linux-c00aafcd4977769e8728292302ddbbb8b1082fab.tar.xz | |
Merge branch 'master' into for-linus
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 cb2c09270226..3f7e60995c80 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 |