summaryrefslogtreecommitdiffstats
path: root/include/trace/trace_events.h
diff options
context:
space:
mode:
authorDenis Kirjanov <kda@linux-powerpc.org>2015-12-14 23:18:05 +0300
committerSteven Rostedt <rostedt@goodmis.org>2015-12-23 14:27:21 -0500
commit2701121b8f4db4d69c327c0d8f8694ff2ce30ef7 (patch)
tree8075d22174057d82cf72134c1923efd303dd6df3 /include/trace/trace_events.h
parentff078d8fc644722f7b163d79e8a03b00b9dc2385 (diff)
downloadlinux-stable-2701121b8f4db4d69c327c0d8f8694ff2ce30ef7.tar.gz
linux-stable-2701121b8f4db4d69c327c0d8f8694ff2ce30ef7.tar.bz2
linux-stable-2701121b8f4db4d69c327c0d8f8694ff2ce30ef7.zip
tracing: Introduce TRACE_EVENT_FN_COND macro
TRACE_EVENT_FN can't be used in some circumstances like invoking trace functions from offlined CPU due to RCU usage. This patch adds the TRACE_EVENT_FN_COND macro to make such trace points conditional. Link: http://lkml.kernel.org/r/1450124286-4822-1-git-send-email-kda@linux-powerpc.org Signed-off-by: Denis Kirjanov <kda@linux-powerpc.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include/trace/trace_events.h')
-rw-r--r--include/trace/trace_events.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h
index de996cf61053..170c93bbdbb7 100644
--- a/include/trace/trace_events.h
+++ b/include/trace/trace_events.h
@@ -123,6 +123,12 @@ TRACE_MAKE_SYSTEM_STR();
TRACE_EVENT(name, PARAMS(proto), PARAMS(args), \
PARAMS(tstruct), PARAMS(assign), PARAMS(print)) \
+#undef TRACE_EVENT_FN_COND
+#define TRACE_EVENT_FN_COND(name, proto, args, cond, tstruct, \
+ assign, print, reg, unreg) \
+ TRACE_EVENT_CONDITION(name, PARAMS(proto), PARAMS(args), PARAMS(cond), \
+ PARAMS(tstruct), PARAMS(assign), PARAMS(print)) \
+
#undef TRACE_EVENT_FLAGS
#define TRACE_EVENT_FLAGS(name, value) \
__TRACE_EVENT_FLAGS(name, value)