perf_counter: Set the CONFIG_PERF_COUNTERS default to y if CONFIG_PROFILING=y

If user has already enabled profiling support in the kernel
(for oprofile, old-style profiling of ftrace) then offer up
perfcounters with a y default in interactive kconfig sessions.

Still keep it off by default otherwise.

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-06-29 10:40:20 +02:00
parent 7e030655dd
commit f26542600e

View file

@ -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