diff options
| author | Denis Kirjanov <kda@linux-powerpc.org> | 2015-12-14 21:18:05 +0100 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2015-12-23 20:27:21 +0100 |
| commit | 2701121b8f4db4d69c327c0d8f8694ff2ce30ef7 (patch) | |
| tree | 8075d22174057d82cf72134c1923efd303dd6df3 /include/trace/trace_events.h | |
| parent | tracing: Use seq_buf_used() in seq_buf_to_user() instead of len (diff) | |
| download | linux-2701121b8f4db4d69c327c0d8f8694ff2ce30ef7.tar.xz linux-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.h | 6 |
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) |