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authorChangbin Du <changbin.du@gmail.com>2019-03-16 11:05:43 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-03-19 22:52:04 +0300
commit11c1ea6f1a9bc97bf857fd12f72eacb6c69794e2 (patch)
tree2cbead67468a2eb257e729481bc212589dd2868d /tools/perf/tests/backward-ring-buffer.c
parent39df730b09774bd860e39ea208a48d15078236cb (diff)
downloadlinux-11c1ea6f1a9bc97bf857fd12f72eacb6c69794e2.tar.xz
perf tools: Fix errors under optimization level '-Og'
Optimization level '-Og' offers a reasonable level of optimization while maintaining fast compilation and a good debugging experience. This patch tries to make it work. $ make DEBUG=1 EXTRA_CFLAGS='-Og' bench/epoll-ctl.c: In function ‘do_threads’: bench/epoll-ctl.c:274:9: error: ‘ret’ may be used uninitialized in this function [-Werror=maybe-uninitialized] return ret; ^~~ ... Signed-off-by: Changbin Du <changbin.du@gmail.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20190316080556.3075-4-changbin.du@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/backward-ring-buffer.c')
-rw-r--r--tools/perf/tests/backward-ring-buffer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index 6d598cc071ae..1a9c3becf5ff 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -18,7 +18,7 @@ static void testcase(void)
int i;
for (i = 0; i < NR_ITERS; i++) {
- char proc_name[10];
+ char proc_name[15];
snprintf(proc_name, sizeof(proc_name), "p:%d\n", i);
prctl(PR_SET_NAME, proc_name);