rm_rf 279 tools/perf/tests/bpf.c if (rm_rf(PERF_TEST_BPF_PATH)) rm_rf 110 tools/perf/tests/sdt.c rm_rf(__tempdir); rm_rf 805 tools/perf/util/build-id.c if (rm_rf(linkname)) rm_rf 23 tools/perf/util/util.h int rm_rf(const char *path);