Commit 5290ed69 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

libperf: Add PERF_RECORD_LOST 'struct lost_event' to perf/event.h 



Move the lost_event event definition to libperf's event.h header
include.

In order to keep libperf simple, we switch 'u64/u32/u16/u8' types used
events to their generic '__u*' versions.

Perf added 'u*' types mainly to ease up printing __u64 values as stated
in the linux/types.h comment:

  /*
   * We define u64 as uint64_t for every architecture
   * so that we can print it with "%"PRIx64 without getting warnings.
   *
   * typedef __u64 u64;
   * typedef __s64 s64;
   */

Add and use new PRI_lu64 and PRI_lx64 macros for that.  Use extra '_' to
ease up the reading and differentiate them from standard PRI*64 macros.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190825181752.722-7-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent bceb59b1

tools/perf/builtin-sched.c

+1 −1
Original line number Diff line number Diff line
@@ -2643,7 +2643,7 @@ static int process_lost(struct perf_tool *tool __maybe_unused, 


	timestamp__scnprintf_usec(sample->time, tstr, sizeof(tstr));

	printf("%15s ", tstr);

	printf("lost %" PRIu64 " events on cpu %d\n", event->lost.lost, sample->cpu);

	printf("lost %" PRI_lu64 " events on cpu %d\n", event->lost.lost, sample->cpu);



	return 0;

}

tools/perf/lib/include/perf/event.h

+6 −0
Original line number Diff line number Diff line
@@ -50,4 +50,10 @@ struct fork_event { 
	__u64			 time;

};



struct lost_event {

	struct perf_event_header header;

	__u64			 id;

	__u64			 lost;

};



#endif /* __LIBPERF_EVENT_H */

tools/perf/util/event.c

+1 −1
Original line number Diff line number Diff line
@@ -1480,7 +1480,7 @@ size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp) 


static size_t perf_event__fprintf_lost(union perf_event *event, FILE *fp)

{

	return fprintf(fp, " lost %" PRIu64 "\n", event->lost.lost);

	return fprintf(fp, " lost %" PRI_lu64 "\n", event->lost.lost);

}



size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp)

tools/perf/util/event.h

+0 −6
Original line number Diff line number Diff line
@@ -27,12 +27,6 @@ 
#define PRI_lx64 PRIx64

#endif



struct lost_event {

	struct perf_event_header header;

	u64 id;

	u64 lost;

};



struct lost_samples_event {

	struct perf_event_header header;

	u64 lost;

tools/perf/util/machine.c

+1 −1
Original line number Diff line number Diff line
@@ -645,7 +645,7 @@ int machine__process_namespaces_event(struct machine *machine __maybe_unused, 
int machine__process_lost_event(struct machine *machine __maybe_unused,

				union perf_event *event, struct perf_sample *sample __maybe_unused)

{

	dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n",

	dump_printf(": id:%" PRI_lu64 ": lost:%" PRI_lu64 "\n",

		    event->lost.id, event->lost.lost);

	return 0;

}

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