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| author | Denis Kirjanov <kda@linux-powerpc.org> | 2015-12-14 23:18:05 +0300 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2015-12-23 14:27:21 -0500 |
| commit | 2701121b8f4db4d69c327c0d8f8694ff2ce30ef7 (patch) | |
| tree | 8075d22174057d82cf72134c1923efd303dd6df3 /include/linux/tracepoint.h | |
| parent | ff078d8fc644722f7b163d79e8a03b00b9dc2385 (diff) | |
| download | lwn-2701121b8f4db4d69c327c0d8f8694ff2ce30ef7.tar.gz lwn-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/linux/tracepoint.h')
| -rw-r--r-- | include/linux/tracepoint.h | 4 |
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), \ |