diff options
| -rw-r--r-- | tools/perf/builtin-sched.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index dd714818fa4d..7fe3b3cb4cc8 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -472,6 +472,7 @@ static u64 get_cpu_usage_nsec_self(int fd) struct sched_thread_parms { struct task_desc *task; struct perf_sched *sched; + int fd; }; static void *thread_func(void *ctx) @@ -482,13 +483,12 @@ static void *thread_func(void *ctx) u64 cpu_usage_0, cpu_usage_1; unsigned long i, ret; char comm2[22]; - int fd; + int fd = parms->fd; zfree(&parms); sprintf(comm2, ":%s", this_task->comm); prctl(PR_SET_NAME, comm2); - fd = self_open_counters(); if (fd < 0) return NULL; again: @@ -540,6 +540,7 @@ static void create_tasks(struct perf_sched *sched) BUG_ON(parms == NULL); parms->task = task = sched->tasks[i]; parms->sched = sched; + parms->fd = self_open_counters(); sem_init(&task->sleep_sem, 0, 0); sem_init(&task->ready_for_work, 0, 0); sem_init(&task->work_done_sem, 0, 0); |