2012-02-13 07:12:29

by Namhyung Kim

[permalink] [raw]
Subject: [PATCH 05/11] perf tools: Make perf_evlist__create_maps() take struct perf_maps_opts

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

Signed-off-by: Namhyung Kim <[email protected]>
---
tools/perf/builtin-record.c | 4 +---
tools/perf/builtin-test.c | 5 ++---
tools/perf/builtin-top.c | 4 +---
tools/perf/util/evlist.c | 12 +++++++-----
tools/perf/util/evlist.h | 4 ++--
5 files changed, 13 insertions(+), 16 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 9e209e3279e4..a8abee03a62d 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -789,9 +789,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
if (rec->opts.maps.uid_str && rec->opts.maps.uid == UINT_MAX - 1)
goto out_free_fd;

- if (perf_evlist__create_maps(evsel_list, rec->opts.maps.target_pid,
- rec->opts.maps.target_tid, rec->opts.maps.uid,
- rec->opts.maps.cpu_list) < 0)
+ if (perf_evlist__create_maps(evsel_list, &rec->opts.maps) < 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 da3c1c3f8524..91a6eba000f2 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -1013,6 +1013,7 @@ static int test__PERF_RECORD(void)
.maps = {
.target_pid = -1,
.target_tid = -1,
+ .uid = UINT_MAX,
},
.no_delay = true,
.freq = 10,
@@ -1057,9 +1058,7 @@ 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.maps.target_pid,
- opts.maps.target_tid, UINT_MAX,
- opts.maps.cpu_list);
+ err = perf_evlist__create_maps(evlist, &opts.maps);
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 9e9a8de78899..5bba7ad92fc6 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1213,9 +1213,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
if (top.maps.uid_str != NULL && top.maps.uid == UINT_MAX - 1)
goto out_delete_evlist;

- if (perf_evlist__create_maps(top.evlist, top.maps.target_pid,
- top.maps.target_tid, top.maps.uid,
- top.maps.cpu_list) < 0)
+ if (perf_evlist__create_maps(top.evlist, &top.maps) < 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 d7c3a2d5771c..3d763c95fd62 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -593,18 +593,20 @@ 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, pid_t target_pid,
- pid_t target_tid, uid_t uid, const char *cpu_list)
+int perf_evlist__create_maps(struct perf_evlist *evlist,
+ struct perf_maps_opts *maps)
{
- evlist->threads = thread_map__new(target_pid, target_tid, uid);
+ evlist->threads = thread_map__new(maps->target_pid, maps->target_tid,
+ maps->uid);

if (evlist->threads == NULL)
return -1;

- if (uid != UINT_MAX || (cpu_list == NULL && target_tid != -1))
+ if (maps->uid != UINT_MAX ||
+ (maps->cpu_list == NULL && maps->target_tid != -1))
evlist->cpus = cpu_map__dummy_new();
else
- evlist->cpus = cpu_map__new(cpu_list);
+ evlist->cpus = cpu_map__new(maps->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 1b4282be8fe7..7e99ac513893 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, pid_t target_pid,
- pid_t tid, uid_t uid, const char *cpu_list);
+int perf_evlist__create_maps(struct perf_evlist *evlist,
+ struct perf_maps_opts *maps);
void perf_evlist__delete_maps(struct perf_evlist *evlist);
int perf_evlist__set_filters(struct perf_evlist *evlist);

--
1.7.9


2012-02-13 18:36:56

by Arnaldo Carvalho de Melo

[permalink] [raw]
Subject: Re: [PATCH 05/11] perf tools: Make perf_evlist__create_maps() take struct perf_maps_opts

Em Mon, Feb 13, 2012 at 04:27:37PM +0900, Namhyung Kim escreveu:
> Now we have all information that needed to create cpu/thread maps
> in struct perf_maps_opts, it'd be better using it as an argument.

Ok