tracing: Introduce TRACE_EVENT_FN_COND macro

Browse source

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>

...

This commit is contained in:

Denis Kirjanov 2015-12-14 23:18:05 +03:00 • committed by Steven Rostedt

parent ff078d8fc6

commit 2701121b8f

3 changed files with 16 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

include/linux/tracepoint.h

View file

6

include/trace/define_trace.h

View file

6

include/trace/trace_events.h

View file