Commit dd96c46b authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Adding throttle event data struct support 



Moving 'struct throttle_event' out of python code and making it global
as any other event.

There's no usage of throttling events in any perf commands so far
(besides python support), but we'll need this event data backup for
upcoming test.

Signed-off-by: default avatarJiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1378031796-17892-5-git-send-email-jolsa@redhat.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent b22d54b0

tools/perf/util/event.h

+7 −0
Original line number Diff line number Diff line
@@ -61,6 +61,12 @@ struct read_event { 
	u64 id;

};



struct throttle_event {

	struct perf_event_header header;

	u64 time;

	u64 id;

	u64 stream_id;

};



#define PERF_SAMPLE_MASK				\

	(PERF_SAMPLE_IP | PERF_SAMPLE_TID |		\
@@ -178,6 +184,7 @@ union perf_event { 
	struct fork_event		fork;

	struct lost_event		lost;

	struct read_event		read;

	struct throttle_event		throttle;

	struct sample_event		sample;

	struct attr_event		attr;

	struct event_type_event		event_type;

tools/perf/util/python.c

+0 −7
Original line number Diff line number Diff line
@@ -33,13 +33,6 @@ int eprintf(int level, const char *fmt, ...) 
# define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size,

#endif



struct throttle_event {

	struct perf_event_header header;

	u64			 time;

	u64			 id;

	u64			 stream_id;

};



PyMODINIT_FUNC initperf(void);



#define member_def(type, member, ptype, help) \

tools/perf/util/session.c

+13 −0
Original line number Diff line number Diff line
@@ -397,6 +397,17 @@ static void perf_event__read_swap(union perf_event *event, bool sample_id_all) 
		swap_sample_id_all(event, &event->read + 1);

}



static void perf_event__throttle_swap(union perf_event *event,

				      bool sample_id_all)

{

	event->throttle.time	  = bswap_64(event->throttle.time);

	event->throttle.id	  = bswap_64(event->throttle.id);

	event->throttle.stream_id = bswap_64(event->throttle.stream_id);



	if (sample_id_all)

		swap_sample_id_all(event, &event->throttle + 1);

}



static u8 revbyte(u8 b)

{

	int rev = (b >> 4) | ((b & 0xf) << 4);
@@ -482,6 +493,8 @@ static perf_event__swap_op perf_event__swap_ops[] = { 
	[PERF_RECORD_EXIT]		  = perf_event__task_swap,

	[PERF_RECORD_LOST]		  = perf_event__all64_swap,

	[PERF_RECORD_READ]		  = perf_event__read_swap,

	[PERF_RECORD_THROTTLE]		  = perf_event__throttle_swap,

	[PERF_RECORD_UNTHROTTLE]	  = perf_event__throttle_swap,

	[PERF_RECORD_SAMPLE]		  = perf_event__all64_swap,

	[PERF_RECORD_HEADER_ATTR]	  = perf_event__hdr_attr_swap,

	[PERF_RECORD_HEADER_EVENT_TYPE]	  = perf_event__event_type_swap,

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