diff options
Diffstat (limited to 'tools/perf/tests/builtin-test.c')
| -rw-r--r-- | tools/perf/tests/builtin-test.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index e05b370b1e..c3d84b67ca 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -39,7 +39,10 @@ * making them easier to debug. */ static bool dont_fork; -/* Fork the tests in parallel and then wait for their completion. */ +/* Don't fork the tests in parallel and wait for their completion. */ +static bool sequential = true; +/* Do it in parallel, lacks infrastructure to avoid running tests that clash for resources, + * So leave it as the developers choice to enable while working on the needed infra */ static bool parallel; const char *dso_to_test; const char *test_objdump_path = "objdump"; @@ -307,8 +310,8 @@ static int finish_test(struct child_test *child_test, int width) char buf[512]; ssize_t len; - /* Poll to avoid excessive spinning, timeout set for 1000ms. */ - poll(pfds, ARRAY_SIZE(pfds), /*timeout=*/1000); + /* Poll to avoid excessive spinning, timeout set for 100ms. */ + poll(pfds, ARRAY_SIZE(pfds), /*timeout=*/100); if (!err_done && pfds[0].revents) { errno = 0; len = read(err, buf, sizeof(buf) - 1); @@ -374,7 +377,7 @@ static int start_test(struct test_suite *test, int i, int subi, struct child_tes } (*child)->process.no_exec_cmd = run_test_child; err = start_command(&(*child)->process); - if (err || parallel) + if (err || !sequential) return err; return finish_test(*child, width); } @@ -440,7 +443,7 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) int err = start_test(t, curr, -1, &child_tests[child_test_num++], width); if (err) { - /* TODO: if parallel waitpid the already forked children. */ + /* TODO: if !sequential waitpid the already forked children. */ free(child_tests); return err; } @@ -460,7 +463,7 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) } } for (i = 0; i < child_test_num; i++) { - if (parallel) { + if (!sequential) { int ret = finish_test(child_tests[i], width); if (ret) @@ -536,8 +539,9 @@ int cmd_test(int argc, const char **argv) "be more verbose (show symbol address, etc)"), OPT_BOOLEAN('F', "dont-fork", &dont_fork, "Do not fork for testcase"), - OPT_BOOLEAN('p', "parallel", ¶llel, - "Run the tests altogether in parallel"), + OPT_BOOLEAN('p', "parallel", ¶llel, "Run the tests in parallel"), + OPT_BOOLEAN('S', "sequential", &sequential, + "Run the tests one after another rather than in parallel"), OPT_STRING('w', "workload", &workload, "work", "workload to run for testing"), OPT_STRING(0, "dso", &dso_to_test, "dso", "dso to test"), OPT_STRING(0, "objdump", &test_objdump_path, "path", @@ -564,6 +568,11 @@ int cmd_test(int argc, const char **argv) if (workload) return run_workload(workload, argc, argv); + if (dont_fork) + sequential = true; + else if (parallel) + sequential = false; + symbol_conf.priv_size = sizeof(int); symbol_conf.try_vmlinux_path = true; |