From 77a0cf682f7979554e10a6c605a1fef4f4197654 Mon Sep 17 00:00:00 2001 From: Wang Nan Date: Tue, 17 Nov 2015 08:32:49 +0000 Subject: [PATCH] perf test: Print result for each BPF subtest This patch prints each sub-tests results for BPF testcases. Before: # ./perf test BPF 37: Test BPF filter : Ok After: # ./perf test BPF 37: Test BPF filter : 37.1: Test basic BPF filtering : Ok 37.2: Test BPF prologue generation : Ok When a failure happens: # cat ~/.perfconfig [llvm] clang-path = "/bin/false" # ./perf test BPF 37: Test BPF filter : 37.1: Test basic BPF filtering : Skip 37.2: Test BPF prologue generation : Skip Suggested-and-Tested-by: Arnaldo Carvalho de Melo Signed-off-by: Wang Nan Cc: Alexei Starovoitov Cc: Masami Hiramatsu Cc: Zefan Li Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1447749170-175898-5-git-send-email-wangnan0@huawei.com [ Fixed up not to use .func in an anonymous union ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/bpf.c | 40 ++++++++++++++++++++++++--------- tools/perf/tests/builtin-test.c | 5 +++++ tools/perf/tests/tests.h | 2 ++ 3 files changed, 36 insertions(+), 11 deletions(-) diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index 4efdc1607754..33689a0cf821 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -215,28 +215,46 @@ static int __test__bpf(int idx) return ret; } -int test__bpf(int subtest __maybe_unused) +int test__bpf_subtest_get_nr(void) +{ + return (int)ARRAY_SIZE(bpf_testcase_table); +} + +const char *test__bpf_subtest_get_desc(int i) +{ + if (i < 0 || i >= (int)ARRAY_SIZE(bpf_testcase_table)) + return NULL; + return bpf_testcase_table[i].desc; +} + +int test__bpf(int i) { - unsigned int i; int err; + if (i < 0 || i >= (int)ARRAY_SIZE(bpf_testcase_table)) + return TEST_FAIL; + if (geteuid() != 0) { pr_debug("Only root can run BPF test\n"); return TEST_SKIP; } - for (i = 0; i < ARRAY_SIZE(bpf_testcase_table); i++) { - err = __test__bpf(i); - - if (err != TEST_OK) - return err; - } - - return TEST_OK; + err = __test__bpf(i); + return err; } #else -int test__bpf(void) +int test__bpf_subtest_get_nr(void) +{ + return 0; +} + +const char *test__bpf_subtest_get_desc(int i __maybe_unused) +{ + return NULL; +} + +int test__bpf(int i __maybe_unused) { pr_debug("Skip BPF test because BPF support is not compiled\n"); return TEST_SKIP; diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 813660976217..146ae9821c00 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -173,6 +173,11 @@ static struct test generic_tests[] = { { .desc = "Test BPF filter", .func = test__bpf, + .subtest = { + .skip_if_fail = true, + .get_nr = test__bpf_subtest_get_nr, + .get_desc = test__bpf_subtest_get_desc, + }, }, { .func = NULL, diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index f92af527f080..a0733aaad081 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -76,6 +76,8 @@ int test__llvm(int subtest); const char *test__llvm_subtest_get_desc(int subtest); int test__llvm_subtest_get_nr(void); int test__bpf(int subtest); +const char *test__bpf_subtest_get_desc(int subtest); +int test__bpf_subtest_get_nr(void); int test_session_topology(int subtest); #if defined(__arm__) || defined(__aarch64__)