pipe_2 80 tools/perf/bench/sched-pipe.c int pipe_1[2], pipe_2[2]; pipe_2 97 tools/perf/bench/sched-pipe.c BUG_ON(pipe(pipe_2)); pipe_2 108 tools/perf/bench/sched-pipe.c td->pipe_write = pipe_2[1]; pipe_2 111 tools/perf/bench/sched-pipe.c td->pipe_read = pipe_2[0];