perf_counter: hook up the tracepoint events
Impact: new perfcounters feature
Enable usage of tracepoints as perf counter events.
tracepoint event ids can be found in /debug/tracing/event/*/*/id
and (for now) are represented as -65536+id in the type field.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Orig-LKML-Reference: <20090319194233.744044174@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 08c11a6..065984c 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -53,6 +53,8 @@
PERF_COUNT_PAGE_FAULTS_MAJ = -7,
PERF_SW_EVENTS_MIN = -8,
+
+ PERF_TP_EVENTS_MIN = -65536
};
/*
@@ -222,6 +224,7 @@
struct perf_data *usrdata;
struct perf_data data[2];
+ void (*destroy)(struct perf_counter *);
struct rcu_head rcu_head;
#endif
};