aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFrédéric Weisbecker <fweisbec@gmail.com>2008-09-21 20:12:14 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-14 10:38:06 +0200
commit2a3a4f669df2164288d11406d11d5e4933bf5e53 (patch)
treecbcab61ae346f24731b52c706a3650978a95aba3
parent35cb5ed01261f5669657d2f1720aca902299887d (diff)
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/Kconfig15
1 files changed, 5 insertions, 10 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index d7b2de74463..254328dec67 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