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libperf: Add PERF_RECORD_SAMPLE 'struct sample_event' to perf/event.h

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Move the PERF_RECORD_SAMPLE 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.

Signed-off-by: Jiri 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/20190825181752.722-13-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2019-08-25 20:17:52 +02:00 committed by Arnaldo Carvalho de Melo
parent b1b5101422
commit b1fcd190bb
4 changed files with 10 additions and 10 deletions
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5
tools/perf/lib/include/perf/event.h
View File

@ -104,4 +104,9 @@ struct bpf_event {
__u8 tag[BPF_TAG_SIZE]; // prog tag
};
struct sample_event {
struct perf_event_header header;
__u64 array[];
};
#endif /* __LIBPERF_EVENT_H */

5
tools/perf/util/event.h
View File

@ -37,11 +37,6 @@
/* perf sample has 16 bits size limit */
#define PERF_SAMPLE_MAX_SIZE (1 << 16)
struct sample_event {
struct perf_event_header header;
u64 array[];
};
struct regs_dump {
u64 abi;
u64 mask;

2
tools/perf/util/evlist.c
View File

@ -587,7 +587,7 @@ struct evsel *perf_evlist__id2evsel_strict(struct evlist *evlist,
static int perf_evlist__event2id(struct evlist *evlist,
union perf_event *event, u64 *id)
{
const u64 *array = event->sample.array;
const __u64 *array = event->sample.array;
ssize_t n;
n = (event->header.size - sizeof(event->header)) >> 3;

8
tools/perf/util/evsel.c
View File

@ -2009,7 +2009,7 @@ static int perf_evsel__parse_id_sample(const struct evsel *evsel,
struct perf_sample *sample)
{
u64 type = evsel->core.attr.sample_type;
const u64 *array = event->sample.array;
const __u64 *array = event->sample.array;
bool swapped = evsel->needs_swap;
union u64_swap u;
@ -2099,7 +2099,7 @@ int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event,
{
u64 type = evsel->core.attr.sample_type;
bool swapped = evsel->needs_swap;
const u64 *array;
const __u64 *array;
u16 max_size = event->header.size;
const void *endp = (void *)event + max_size;
u64 sz;
@ -2378,7 +2378,7 @@ int perf_evsel__parse_sample_timestamp(struct evsel *evsel,
u64 *timestamp)
{
u64 type = evsel->core.attr.sample_type;
const u64 *array;
const __u64 *array;
if (!(type & PERF_SAMPLE_TIME))
return -1;
@ -2529,7 +2529,7 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type,
u64 read_format,
const struct perf_sample *sample)
{
u64 *array;
__u64 *array;
size_t sz;
/*
* used for cross-endian analysis. See git commit 65014ab3