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perf session: Pass the perf_session to the event handling operations

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They will need it to get the right threads list, etc.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260741029-4430-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo
2009-12-13 19:50:24 -02:00
committed by Ingo Molnar
parent 2cd9046cc5
commit d8f66248d6
12 changed files with 103 additions and 79 deletions
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28
tools/perf/builtin-top.c
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@@ -965,14 +965,14 @@ static void event__process_sample(const event_t *self, int counter)
}
}
static int event__process(event_t *event)
static int event__process(event_t *event, struct perf_session *session)
{
switch (event->header.type) {
case PERF_RECORD_COMM:
event__process_comm(event);
event__process_comm(event, session);
break;
case PERF_RECORD_MMAP:
event__process_mmap(event);
event__process_mmap(event, session);
break;
default:
break;
@@ -999,7 +999,8 @@ static unsigned int mmap_read_head(struct mmap_data *md)
return head;
}
static void mmap_read_counter(struct mmap_data *md)
static void perf_session__mmap_read_counter(struct perf_session *self,
struct mmap_data *md)
{
unsigned int head = mmap_read_head(md);
unsigned int old = md->prev;
@@ -1054,7 +1055,7 @@ static void mmap_read_counter(struct mmap_data *md)
if (event->header.type == PERF_RECORD_SAMPLE)
event__process_sample(event, md->counter);
else
event__process(event);
event__process(event, self);
old += size;
}
@@ -1064,13 +1065,13 @@ static void mmap_read_counter(struct mmap_data *md)
static struct pollfd event_array[MAX_NR_CPUS * MAX_COUNTERS];
static struct mmap_data mmap_array[MAX_NR_CPUS][MAX_COUNTERS];
static void mmap_read(void)
static void perf_session__mmap_read(struct perf_session *self)
{
int i, counter;
for (i = 0; i < nr_cpus; i++) {
for (counter = 0; counter < nr_counters; counter++)
mmap_read_counter(&mmap_array[i][counter]);
perf_session__mmap_read_counter(self, &mmap_array[i][counter]);
}
}
@@ -1155,11 +1156,16 @@ static int __cmd_top(void)
pthread_t thread;
int i, counter;
int ret;
/*
* XXX perf_session__new should allow passing a O_MMAP, so that all this
* mmap reading, etc is encapsulated in it.
*/
struct perf_session *session = NULL;
if (target_pid != -1)
event__synthesize_thread(target_pid, event__process);
event__synthesize_thread(target_pid, event__process, session);
else
event__synthesize_threads(event__process);
event__synthesize_threads(event__process, session);
for (i = 0; i < nr_cpus; i++) {
group_fd = -1;
@@ -1170,7 +1176,7 @@ static int __cmd_top(void)
/* Wait for a minimal set of events before starting the snapshot */
poll(event_array, nr_poll, 100);
mmap_read();
perf_session__mmap_read(session);
if (pthread_create(&thread, NULL, display_thread, NULL)) {
printf("Could not create display thread.\n");
@@ -1190,7 +1196,7 @@ static int __cmd_top(void)
while (1) {
int hits = samples;
mmap_read();
perf_session__mmap_read(session);
if (hits == samples)
ret = poll(event_array, nr_poll, 100);