diff options
| author | James Morris | 2009-08-06 08:55:03 +1000 |
|---|---|---|
| committer | James Morris | 2009-08-06 08:55:03 +1000 |
| commit | 012a5299a29672039f42944a37984558393ef769 (patch) | |
| tree | de0815c67cf4156c32c8b552cd7448387cc391b0 /init | |
| parent | da34d4248bd2013ee64ce51e63ec0ebd1f32b46c (diff) | |
| parent | 90bc1a658a53f8832ee799685703977a450e5af9 (diff) | |
Merge branch 'master' into next
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/init/Kconfig b/init/Kconfig index 1ce05a4cb5f6..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" - depends on PERF_COUNTERS && EVENT_TRACER + 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 |