Commit-ID: 470a1396c25c27b4aff08b14d5c9cd9b3da15e09 Gitweb: http://git.kernel.org/tip/470a1396c25c27b4aff08b14d5c9cd9b3da15e09 Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> AuthorDate: Wed, 29 Jul 2009 10:50:09 +0200 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Sun, 2 Aug 2009 13:47:53 +0200 tracing, perf_counter: Add help text to CONFIG_EVENT_PROFILE Explain what tracepoint profiling sources are about. Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> Acked-by: Jeff Garzik <jeff@xxxxxxxxxx> LKML-Reference: <1248856508.6987.3041.camel@twins> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- init/Kconfig | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/init/Kconfig b/init/Kconfig index cb2c092..823ee0a 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -961,9 +961,17 @@ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
|