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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/linux/tracepoint.h
parentff078d8fc644722f7b163d79e8a03b00b9dc2385 (diff)
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/linux/tracepoint.h')
-rw-r--r--include/linux/tracepoint.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 696a339c592c..45b3fcf7dd3c 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -493,6 +493,10 @@ extern void syscall_unregfunc(void);
#define TRACE_EVENT_FN(name, proto, args, struct, \
assign, print, reg, unreg) \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
+#define TRACE_EVENT_FN_COND(name, proto, args, cond, struct, \
+ assign, print, reg, unreg) \
+ DECLARE_TRACE_CONDITION(name, PARAMS(proto), \
+ PARAMS(args), PARAMS(cond))
#define TRACE_EVENT_CONDITION(name, proto, args, cond, \
struct, assign, print) \
DECLARE_TRACE_CONDITION(name, PARAMS(proto), \