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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/trace/define_trace.h | |
| parent | tracing: Use seq_buf_used() in seq_buf_to_user() instead of len (diff) | |
| download | linux-dev-2701121b8f4db4d69c327c0d8f8694ff2ce30ef7.tar.xz linux-dev-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/define_trace.h')
| -rw-r--r-- | include/trace/define_trace.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/trace/define_trace.h b/include/trace/define_trace.h index 2d8639ea64d5..6e3945f64102 100644 --- a/include/trace/define_trace.h +++ b/include/trace/define_trace.h @@ -40,6 +40,11 @@ assign, print, reg, unreg) \ DEFINE_TRACE_FN(name, reg, unreg) +#undef TRACE_EVENT_FN_COND +#define TRACE_EVENT_FN_COND(name, proto, args, cond, tstruct, \ + assign, print, reg, unreg) \ + DEFINE_TRACE_FN(name, reg, unreg) + #undef DEFINE_EVENT #define DEFINE_EVENT(template, name, proto, args) \ DEFINE_TRACE(name) @@ -93,6 +98,7 @@ #undef TRACE_EVENT #undef TRACE_EVENT_FN +#undef TRACE_EVENT_FN_COND #undef TRACE_EVENT_CONDITION #undef DECLARE_EVENT_CLASS #undef DEFINE_EVENT |