perf_pipe_file_header 3028 tools/perf/util/header.c struct perf_pipe_file_header f_header; perf_pipe_file_header 3034 tools/perf/util/header.c f_header = (struct perf_pipe_file_header){ perf_pipe_file_header 3395 tools/perf/util/header.c static int perf_file_header__read_pipe(struct perf_pipe_file_header *header, perf_pipe_file_header 3426 tools/perf/util/header.c struct perf_pipe_file_header f_header;