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authorPaul Mundt <lethal@linux-sh.org>2011-01-07 10:29:26 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-01-07 10:29:26 +0900
commit5e93c6b4ecd78b1bab49bad1dc2f6ed7ec0115ee (patch)
tree4f4e321a1ca0baf64d8af528080c71f93495a7d7 /tools/perf/util/thread.c
parent98d27b8abf413a310df6676f7d2128ada1cccc08 (diff)
parent3c0cb7c31c206aaedb967e44b98442bbeb17a6c4 (diff)
downloadtalos-op-linux-5e93c6b4ecd78b1bab49bad1dc2f6ed7ec0115ee.tar.gz
talos-op-linux-5e93c6b4ecd78b1bab49bad1dc2f6ed7ec0115ee.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into rmobile-latest
Conflicts: arch/arm/mach-shmobile/Kconfig Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'tools/perf/util/thread.c')
-rw-r--r--tools/perf/util/thread.c43
1 files changed, 29 insertions, 14 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 8c72d888e449..00f4eade2e3e 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -16,35 +16,50 @@ static int filter(const struct dirent *dir)
return 1;
}
-int find_all_tid(int pid, pid_t ** all_tid)
+struct thread_map *thread_map__new_by_pid(pid_t pid)
{
+ struct thread_map *threads;
char name[256];
int items;
struct dirent **namelist = NULL;
- int ret = 0;
int i;
sprintf(name, "/proc/%d/task", pid);
items = scandir(name, &namelist, filter, NULL);
if (items <= 0)
- return -ENOENT;
- *all_tid = malloc(sizeof(pid_t) * items);
- if (!*all_tid) {
- ret = -ENOMEM;
- goto failure;
- }
-
- for (i = 0; i < items; i++)
- (*all_tid)[i] = atoi(namelist[i]->d_name);
+ return NULL;
- ret = items;
+ threads = malloc(sizeof(*threads) + sizeof(pid_t) * items);
+ if (threads != NULL) {
+ for (i = 0; i < items; i++)
+ threads->map[i] = atoi(namelist[i]->d_name);
+ threads->nr = items;
+ }
-failure:
for (i=0; i<items; i++)
free(namelist[i]);
free(namelist);
- return ret;
+ return threads;
+}
+
+struct thread_map *thread_map__new_by_tid(pid_t tid)
+{
+ struct thread_map *threads = malloc(sizeof(*threads) + sizeof(pid_t));
+
+ if (threads != NULL) {
+ threads->map[0] = tid;
+ threads->nr = 1;
+ }
+
+ return threads;
+}
+
+struct thread_map *thread_map__new(pid_t pid, pid_t tid)
+{
+ if (pid != -1)
+ return thread_map__new_by_pid(pid);
+ return thread_map__new_by_tid(tid);
}
static struct thread *thread__new(pid_t pid)
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