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perf evlist: Make create_maps() take struct perf_target

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Now we have all information that needed to create cpu/thread maps in
struct perf_target, it'd be better using it as an argument.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1335417327-11796-6-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2012-04-26 14:15:19 +09:00 committed by Arnaldo Carvalho de Melo
parent 4bd0f2d2c0
commit b809ac100e
5 changed files with 15 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
tools/perf/builtin-record.c
View file

@ -891,9 +891,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
rec->opts.target.uid == UINT_MAX - 1)
goto out_free_fd;
if (perf_evlist__create_maps(evsel_list, rec->opts.target.pid,
rec->opts.target.tid, rec->opts.target.uid,
rec->opts.target.cpu_list) < 0)
if (perf_evlist__create_maps(evsel_list, &rec->opts.target) < 0)
usage_with_options(record_usage, record_options);
list_for_each_entry(pos, &evsel_list->entries, node) {

7
tools/perf/builtin-test.c
View file

@ -1165,6 +1165,9 @@ static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t **maskp,
static int test__PERF_RECORD(void)
{
struct perf_record_opts opts = {
.target = {
.uid = UINT_MAX,
},
.no_delay = true,
.freq = 10,
.mmap_pages = 256,
@ -1207,9 +1210,7 @@ static int test__PERF_RECORD(void)
* perf_evlist__prepare_workload we'll fill in the only thread
* we're monitoring, the one forked there.
*/
err = perf_evlist__create_maps(evlist, opts.target.pid,
opts.target.tid, UINT_MAX,
opts.target.cpu_list);
err = perf_evlist__create_maps(evlist, &opts.target);
if (err < 0) {
pr_debug("Not enough memory to create thread/cpu maps\n");
goto out_delete_evlist;

4
tools/perf/builtin-top.c
View file

@ -1258,9 +1258,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
if (top.target.uid_str != NULL && top.target.uid == UINT_MAX - 1)
goto out_delete_evlist;
if (perf_evlist__create_maps(top.evlist, top.target.pid,
top.target.tid, top.target.uid,
top.target.cpu_list) < 0)
if (perf_evlist__create_maps(top.evlist, &top.target) < 0)
usage_with_options(top_usage, options);
if (!top.evlist->nr_entries &&

12
tools/perf/util/evlist.c
View file

@ -599,18 +599,20 @@ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
return perf_evlist__mmap_per_cpu(evlist, prot, mask);
}
int perf_evlist__create_maps(struct perf_evlist *evlist, const char *target_pid,
const char *target_tid, uid_t uid, const char *cpu_list)
int perf_evlist__create_maps(struct perf_evlist *evlist,
struct perf_target *target)
{
evlist->threads = thread_map__new_str(target_pid, target_tid, uid);
evlist->threads = thread_map__new_str(target->pid, target->tid,
target->uid);
if (evlist->threads == NULL)
return -1;
if (uid != UINT_MAX || (cpu_list == NULL && target_tid))
if (target->uid != UINT_MAX ||
(target->cpu_list == NULL && target->tid))
evlist->cpus = cpu_map__dummy_new();
else
evlist->cpus = cpu_map__new(cpu_list);
evlist->cpus = cpu_map__new(target->cpu_list);
if (evlist->cpus == NULL)
goto out_delete_threads;

4
tools/perf/util/evlist.h
View file

@ -106,8 +106,8 @@ static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
evlist->threads = threads;
}
int perf_evlist__create_maps(struct perf_evlist *evlist, const char *target_pid,
const char *tid, uid_t uid, const char *cpu_list);
int perf_evlist__create_maps(struct perf_evlist *evlist,
struct perf_target *target);
void perf_evlist__delete_maps(struct perf_evlist *evlist);
int perf_evlist__set_filters(struct perf_evlist *evlist);