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-rw-r--r--tools/perf/bench/sched-pipe.c15
-rw-r--r--tools/perf/bench/syscall.c22
2 files changed, 17 insertions, 20 deletions
diff --git a/tools/perf/bench/sched-pipe.c b/tools/perf/bench/sched-pipe.c
index e2562677df96..70139036d68f 100644
--- a/tools/perf/bench/sched-pipe.c
+++ b/tools/perf/bench/sched-pipe.c
@@ -204,17 +204,10 @@ static void *worker_thread(void *__tdata)
}
for (i = 0; i < loops; i++) {
- if (!td->nr) {
- ret = read_pipe(td);
- BUG_ON(ret != sizeof(int));
- ret = write(td->pipe_write, &m, sizeof(int));
- BUG_ON(ret != sizeof(int));
- } else {
- ret = write(td->pipe_write, &m, sizeof(int));
- BUG_ON(ret != sizeof(int));
- ret = read_pipe(td);
- BUG_ON(ret != sizeof(int));
- }
+ ret = write(td->pipe_write, &m, sizeof(int));
+ BUG_ON(ret != sizeof(int));
+ ret = read_pipe(td);
+ BUG_ON(ret != sizeof(int));
}
return NULL;
diff --git a/tools/perf/bench/syscall.c b/tools/perf/bench/syscall.c
index ea4dfc07cbd6..e7dc216f717f 100644
--- a/tools/perf/bench/syscall.c
+++ b/tools/perf/bench/syscall.c
@@ -22,8 +22,7 @@
#define __NR_fork -1
#endif
-#define LOOPS_DEFAULT 10000000
-static int loops = LOOPS_DEFAULT;
+static int loops;
static const struct option options[] = {
OPT_INTEGER('l', "loop", &loops, "Specify number of loops"),
@@ -80,6 +79,18 @@ static int bench_syscall_common(int argc, const char **argv, int syscall)
const char *name = NULL;
int i;
+ switch (syscall) {
+ case __NR_fork:
+ case __NR_execve:
+ /* Limit default loop to 10000 times to save time */
+ loops = 10000;
+ break;
+ default:
+ loops = 10000000;
+ break;
+ }
+
+ /* Options -l and --loops override default above */
argc = parse_options(argc, argv, options, bench_syscall_usage, 0);
gettimeofday(&start, NULL);
@@ -94,16 +105,9 @@ static int bench_syscall_common(int argc, const char **argv, int syscall)
break;
case __NR_fork:
test_fork();
- /* Only loop 10000 times to save time */
- if (i == 10000)
- loops = 10000;
break;
case __NR_execve:
test_execve();
- /* Only loop 10000 times to save time */
- if (i == 10000)
- loops = 10000;
- break;
default:
break;
}