[PATCH 2/3] perf: Remove dead code in buildin-record.c

Gui Jianfeng
2010-06-25T02:18:40Z

group_fd related code is dead here, remove them.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
---
tools/perf/builtin-record.c | 12 +-----------
1 files changed, 1 insertions(+), 11 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index abaf0f8..84d58b7 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -45,7 +45,6 @@ static int freq = 1000;
static int output;
static int pipe_output = 0;
static const char *output_name = "perf.data";
-static int group = 0;
static int realtime_prio = 0;
static bool raw_samples = false;
static bool system_wide = false;
@@ -203,8 +202,6 @@ static void sig_atexit(void)
kill(getpid(), signr);
}

-static int group_fd;
-
static struct perf_header_attr *get_header_attr(struct perf_event_attr *a, int nr)
{
struct perf_header_attr *h_attr;
@@ -291,7 +288,7 @@ static void create_counter(int counter, int cpu)
for (thread_index = 0; thread_index < thread_num; thread_index++) {
try_again:
fd[nr_cpu][counter][thread_index] = sys_perf_event_open(attr,
- all_tids[thread_index], cpu, group_fd, 0);
+ all_tids[thread_index], cpu, -1, 0);

if (fd[nr_cpu][counter][thread_index] < 0) {
int err = errno;
@@ -359,12 +356,6 @@ try_again:
assert(fd[nr_cpu][counter][thread_index] >= 0);
fcntl(fd[nr_cpu][counter][thread_index], F_SETFL, O_NONBLOCK);

- /*
- * First counter acts as the group leader:
- */
- if (group && group_fd == -1)
- group_fd = fd[nr_cpu][counter][thread_index];
-
if (counter || thread_index) {
ret = ioctl(fd[nr_cpu][counter][thread_index],
PERF_EVENT_IOC_SET_OUTPUT,
@@ -406,7 +397,6 @@ static void open_counters(int cpu)
{
int counter;

- group_fd = -1;
for (counter = 0; counter < nr_counters; counter++)
create_counter(counter, cpu);

-- 1.6.5.2