UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

perf tools: Move event__parse_sample to evsel.c 

To avoid linking more stuff in the python binding I'm working on, future
csets will make the sample type be taken from the evsel itself, but for
that we need to first have one file per cpu and per sample_type, not a
single perf.data file.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-01-21 13:46:41 -02:00
parent fd78260b53
commit d0dd74e853
7 changed files with 134 additions and 140 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
tools/perf/builtin-test.c
View File

@ -10,7 +10,6 @@
#include "util/evlist.h"
#include "util/parse-options.h"
#include "util/parse-events.h"
#include "util/session.h"
#include "util/symbol.h"
#include "util/thread_map.h"
@ -457,7 +456,6 @@ static int test__basic_mmap(void)
int err = -1;
event_t *event;
struct thread_map *threads;
struct perf_session session;
struct cpu_map *cpus;
struct perf_evlist *evlist;
struct perf_event_attr attr = {
@ -521,13 +519,6 @@ static int test__basic_mmap(void)
attr.wakeup_events = 1;
attr.sample_period = 1;
/*
* FIXME: use evsel->attr.sample_type in event__parse_sample.
* This will nicely remove the requirement that we have
* all the events with the same sample_type.
*/
session.sample_type = attr.sample_type;
for (i = 0; i < nsyscalls; ++i) {
attr.config = ids[i];
evsels[i] = perf_evsel__new(&attr, i);
@ -567,7 +558,7 @@ static int test__basic_mmap(void)
goto out_munmap;
}
event__parse_sample(event, &session, &sample);
event__parse_sample(event, attr.sample_type, false, &sample);
evsel = perf_evlist__id2evsel(evlist, sample.id);
if (evsel == NULL) {
pr_debug("event with id %" PRIu64

2
tools/perf/builtin-top.c
View File

@ -1106,7 +1106,7 @@ static void perf_session__mmap_read_cpu(struct perf_session *self, int cpu)
event_t *event;
while ((event = perf_evlist__read_on_cpu(evsel_list, cpu)) != NULL) {
event__parse_sample(event, self, &sample);
perf_session__parse_sample(self, event, &sample);
if (event->header.type == PERF_RECORD_SAMPLE)
event__process_sample(event, &sample, self);

125
tools/perf/util/event.c
View File

@ -826,128 +826,3 @@ out_filtered:
al->filtered = true;
return 0;
}
static int event__parse_id_sample(const event_t *event,
struct perf_session *session,
struct sample_data *sample)
{
const u64 *array;
u64 type;
sample->cpu = sample->pid = sample->tid = -1;
sample->stream_id = sample->id = sample->time = -1ULL;
if (!session->sample_id_all)
return 0;
array = event->sample.array;
array += ((event->header.size -
sizeof(event->header)) / sizeof(u64)) - 1;
type = session->sample_type;
if (type & PERF_SAMPLE_CPU) {
u32 *p = (u32 *)array;
sample->cpu = *p;
array--;
}
if (type & PERF_SAMPLE_STREAM_ID) {
sample->stream_id = *array;
array--;
}
if (type & PERF_SAMPLE_ID) {
sample->id = *array;
array--;
}
if (type & PERF_SAMPLE_TIME) {
sample->time = *array;
array--;
}
if (type & PERF_SAMPLE_TID) {
u32 *p = (u32 *)array;
sample->pid = p[0];
sample->tid = p[1];
}
return 0;
}
int event__parse_sample(const event_t *event, struct perf_session *session,
struct sample_data *data)
{
const u64 *array;
u64 type;
if (event->header.type != PERF_RECORD_SAMPLE)
return event__parse_id_sample(event, session, data);
array = event->sample.array;
type = session->sample_type;
if (type & PERF_SAMPLE_IP) {
data->ip = event->ip.ip;
array++;
}
if (type & PERF_SAMPLE_TID) {
u32 *p = (u32 *)array;
data->pid = p[0];
data->tid = p[1];
array++;
}
if (type & PERF_SAMPLE_TIME) {
data->time = *array;
array++;
}
if (type & PERF_SAMPLE_ADDR) {
data->addr = *array;
array++;
}
data->id = -1ULL;
if (type & PERF_SAMPLE_ID) {
data->id = *array;
array++;
}
if (type & PERF_SAMPLE_STREAM_ID) {
data->stream_id = *array;
array++;
}
if (type & PERF_SAMPLE_CPU) {
u32 *p = (u32 *)array;
data->cpu = *p;
array++;
} else
data->cpu = -1;
if (type & PERF_SAMPLE_PERIOD) {
data->period = *array;
array++;
}
if (type & PERF_SAMPLE_READ) {
pr_debug("PERF_SAMPLE_READ is unsuported for now\n");
return -1;
}
if (type & PERF_SAMPLE_CALLCHAIN) {
data->callchain = (struct ip_callchain *)array;
array += 1 + data->callchain->nr;
}
if (type & PERF_SAMPLE_RAW) {
u32 *p = (u32 *)array;
data->raw_size = *p;
p++;
data->raw_data = p;
}
return 0;
}

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

@ -169,9 +169,10 @@ struct addr_location;
int event__preprocess_sample(const event_t *self, struct perf_session *session,
struct addr_location *al, struct sample_data *data,
symbol_filter_t filter);
int event__parse_sample(const event_t *event, struct perf_session *session,
struct sample_data *sample);
const char *event__get_event_name(unsigned int id);
int event__parse_sample(const event_t *event, u64 type, bool sample_id_all,
struct sample_data *sample);
#endif /* __PERF_RECORD_H */

118
tools/perf/util/evsel.c
View File

@ -355,3 +355,121 @@ out_unmap:
}
return -1;
}
static int event__parse_id_sample(const event_t *event, u64 type,
struct sample_data *sample)
{
const u64 *array = event->sample.array;
array += ((event->header.size -
sizeof(event->header)) / sizeof(u64)) - 1;
if (type & PERF_SAMPLE_CPU) {
u32 *p = (u32 *)array;
sample->cpu = *p;
array--;
}
if (type & PERF_SAMPLE_STREAM_ID) {
sample->stream_id = *array;
array--;
}
if (type & PERF_SAMPLE_ID) {
sample->id = *array;
array--;
}
if (type & PERF_SAMPLE_TIME) {
sample->time = *array;
array--;
}
if (type & PERF_SAMPLE_TID) {
u32 *p = (u32 *)array;
sample->pid = p[0];
sample->tid = p[1];
}
return 0;
}
int event__parse_sample(const event_t *event, u64 type, bool sample_id_all,
struct sample_data *data)
{
const u64 *array;
data->cpu = data->pid = data->tid = -1;
data->stream_id = data->id = data->time = -1ULL;
if (event->header.type != PERF_RECORD_SAMPLE) {
if (!sample_id_all)
return 0;
return event__parse_id_sample(event, type, data);
}
array = event->sample.array;
if (type & PERF_SAMPLE_IP) {
data->ip = event->ip.ip;
array++;
}
if (type & PERF_SAMPLE_TID) {
u32 *p = (u32 *)array;
data->pid = p[0];
data->tid = p[1];
array++;
}
if (type & PERF_SAMPLE_TIME) {
data->time = *array;
array++;
}
if (type & PERF_SAMPLE_ADDR) {
data->addr = *array;
array++;
}
data->id = -1ULL;
if (type & PERF_SAMPLE_ID) {
data->id = *array;
array++;
}
if (type & PERF_SAMPLE_STREAM_ID) {
data->stream_id = *array;
array++;
}
if (type & PERF_SAMPLE_CPU) {
u32 *p = (u32 *)array;
data->cpu = *p;
array++;
}
if (type & PERF_SAMPLE_PERIOD) {
data->period = *array;
array++;
}
if (type & PERF_SAMPLE_READ) {
fprintf(stderr, "PERF_SAMPLE_READ is unsuported for now\n");
return -1;
}
if (type & PERF_SAMPLE_CALLCHAIN) {
data->callchain = (struct ip_callchain *)array;
array += 1 + data->callchain->nr;
}
if (type & PERF_SAMPLE_RAW) {
u32 *p = (u32 *)array;
data->raw_size = *p;
p++;
data->raw_data = p;
}
return 0;
}

4
tools/perf/util/session.c
View File

@ -496,7 +496,7 @@ static void flush_sample_queue(struct perf_session *s,
if (iter->timestamp > limit)
break;
event__parse_sample(iter->event, s, &sample);
perf_session__parse_sample(s, iter->event, &sample);
perf_session_deliver_event(s, iter->event, &sample, ops,
iter->file_offset);
@ -806,7 +806,7 @@ static int perf_session__process_event(struct perf_session *session,
/*
* For all kernel events we get the sample data
*/
event__parse_sample(event, session, &sample);
perf_session__parse_sample(session, event, &sample);
/* Preprocess sample records - precheck callchains */
if (perf_session__preprocess_sample(session, event, &sample))

9
tools/perf/util/session.h
View File

@ -155,4 +155,13 @@ size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
{
return hists__fprintf_nr_events(&self->hists, fp);
}
static inline int perf_session__parse_sample(struct perf_session *session,
const event_t *event,
struct sample_data *sample)
{
return event__parse_sample(event, session->sample_type,
session->sample_id_all, sample);
}
#endif /* __PERF_SESSION_H */