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| author | Frédéric Weisbecker <fweisbec@gmail.com> | 2008-09-21 20:12:14 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-14 10:38:06 +0200 |
| commit | 2a3a4f669df2164288d11406d11d5e4933bf5e53 (patch) | |
| tree | cbcab61ae346f24731b52c706a3650978a95aba3 | |
| parent | 35cb5ed01261f5669657d2f1720aca902299887d (diff) | |
| download | linux-2a3a4f669df2164288d11406d11d5e4933bf5e53.tar.gz linux-2a3a4f669df2164288d11406d11d5e4933bf5e53.tar.bz2 linux-2a3a4f669df2164288d11406d11d5e4933bf5e53.zip | |
tracing/ftrace: tracing engine depends on Nop Tracer
Now that the nop tracer is used as the default tracer by
replacing the "none" tracer, tracing engine depends on it.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | kernel/trace/Kconfig | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index d7b2de744631..254328dec672 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -1,8 +1,13 @@ # # Architectures that offer an FTRACE implementation should select HAVE_FTRACE: # + +config NOP_TRACER + bool + config HAVE_FTRACE bool + select NOP_TRACER config HAVE_DYNAMIC_FTRACE bool @@ -101,16 +106,6 @@ config SCHED_TRACER This tracer tracks the latency of the highest priority task to be scheduled in, starting from the point it has woken up. -config NOP_TRACER - bool "NOP Tracer" - depends on HAVE_FTRACE - depends on DEBUG_KERNEL - select TRACING - help - This tracer does nothing. The primary purpose for it is to - politely print the output of ftrace_printk() calls without - the overhead of an irrelevant trace taking place. - config CONTEXT_SWITCH_TRACER bool "Trace process context switches" depends on HAVE_FTRACE |