perf hists: Move locking to its call-sites

It's a preparation patch to eliminate unneeded locking in the perf
report path.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1368497347-9628-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2013-05-14 11:09:02 +09:00
committed by Arnaldo Carvalho de Melo
parent 3a5714f8b5
commit 27a0dcb7ad
3 changed files with 18 additions and 17 deletions

View File

@@ -297,6 +297,7 @@ static int process_sample_event(struct perf_tool *tool,
{
struct perf_report *rep = container_of(tool, struct perf_report, tool);
struct addr_location al;
int ret;
if (perf_event__preprocess_sample(event, machine, &al, sample,
rep->annotate_init) < 0) {
@@ -311,28 +312,29 @@ static int process_sample_event(struct perf_tool *tool,
if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
return 0;
pthread_mutex_lock(&evsel->hists.lock);
if (sort__mode == SORT_MODE__BRANCH) {
if (perf_report__add_branch_hist_entry(tool, &al, sample,
evsel, machine)) {
ret = perf_report__add_branch_hist_entry(tool, &al, sample,
evsel, machine);
if (ret < 0)
pr_debug("problem adding lbr entry, skipping event\n");
return -1;
}
} else if (rep->mem_mode == 1) {
if (perf_report__add_mem_hist_entry(tool, &al, sample,
evsel, machine, event)) {
ret = perf_report__add_mem_hist_entry(tool, &al, sample,
evsel, machine, event);
if (ret < 0)
pr_debug("problem adding mem entry, skipping event\n");
return -1;
}
} else {
if (al.map != NULL)
al.map->dso->hit = 1;
if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) {
ret = perf_evsel__add_hist_entry(evsel, &al, sample, machine);
if (ret < 0)
pr_debug("problem incrementing symbol period, skipping event\n");
return -1;
}
}
return 0;
pthread_mutex_unlock(&evsel->hists.lock);
return ret;
}
static int process_read_event(struct perf_tool *tool,