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Commit 13e5befa authored by David Rientjes's avatar David Rientjes Committed by Ingo Molnar
Browse files

trace, documentation: Fix branch profiling location in debugfs 



The debugfs interface for branch profiling is through

	/sys/kernel/debug/tracing/trace_stat/branch_annotated
	/sys/kernel/debug/tracing/trace_stat/branch_all

so update the Kconfig accordingly.

Signed-off-by: default avatarDavid Rientjes <rientjes@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <alpine.DEB.2.00.1103161716320.11407@chino.kir.corp.google.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 38b435b1

kernel/trace/Kconfig

+2 −2
Original line number Original line Diff line number Diff line
@@ -275,7 +275,7 @@ config PROFILE_ANNOTATED_BRANCHES 
	  This tracer profiles all the the likely and unlikely macros

	  This tracer profiles all the the likely and unlikely macros

	  in the kernel. It will display the results in:

	  in the kernel. It will display the results in:





	  /sys/kernel/debug/tracing/profile_annotated_branch

	  /sys/kernel/debug/tracing/trace_stat/branch_annotated





	  Note: this will add a significant overhead; only turn this

	  Note: this will add a significant overhead; only turn this

	  on if you need to profile the system's use of these macros.

	  on if you need to profile the system's use of these macros.
@@ -288,7 +288,7 @@ config PROFILE_ALL_BRANCHES 
	  taken in the kernel is recorded whether it hit or miss.

	  taken in the kernel is recorded whether it hit or miss.

	  The results will be displayed in:

	  The results will be displayed in:





	  /sys/kernel/debug/tracing/profile_branch

	  /sys/kernel/debug/tracing/trace_stat/branch_all





	  This option also enables the likely/unlikely profiler.

	  This option also enables the likely/unlikely profiler.