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Subject[PATCH 08/15] perf evlist: Make create_maps() take struct perf_target
Date
From: Namhyung Kim <namhyung.kim@lge.com>

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>
---
tools/perf/builtin-record.c | 4 +---
tools/perf/builtin-test.c | 7 ++++---
tools/perf/builtin-top.c | 4 +---
tools/perf/util/evlist.c | 12 +++++++-----
tools/perf/util/evlist.h | 4 ++--
5 files changed, 15 insertions(+), 16 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 3596cca..d165909 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -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) {
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 27882d8..9d9abbb 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -1165,6 +1165,9 @@ realloc:
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;
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 4f47952..2a0ec09 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -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 &&
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 7080901..a43e2c5 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -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;
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 21f1c9e..58abb63 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -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);

--
1.7.9.2.358.g22243


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