Do not carry the perf.data file descriptor into the workload process and close it when perf executes the workload.
Link: http://lkml.kernel.org/n/tip-j7qdp4ucreain1cqvy485...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/util/data.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index e84bbc8ec058..6b9d3ec2c276 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -96,7 +96,8 @@ static int open_file_write(struct perf_data_file *file) if (check_backup(file)) return -1; - fd = open(file->path, O_CREAT|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR); + fd = open(file->path, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, + S_IRUSR|S_IWUSR); if (fd < 0) pr_err("failed to open %s : %s\n", file->path, -- 2.9.5
