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Tue, 12 Jan 2021 01:20:34 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v2 7/7] libtracefs: Unit tests for enable / disable tracing APIs Date: Tue, 12 Jan 2021 11:20:24 +0200 Message-Id: <20210112092024.605705-8-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210112092024.605705-1-tz.stoyanov@gmail.com> References: <20210112092024.605705-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org New unit tests for these APIs: tracefs_trace_is_on(); tracefs_trace_on(); tracefs_trace_off(); tracefs_trace_on_fd(); tracefs_trace_off_fd(); Signed-off-by: Tzvetomir Stoyanov (VMware) --- utest/tracefs-utest.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/utest/tracefs-utest.c b/utest/tracefs-utest.c index bbe653c..0520f49 100644 --- a/utest/tracefs-utest.c +++ b/utest/tracefs-utest.c @@ -414,6 +414,44 @@ static void test_instance_file_fd(void) close(fd); } +static void test_tracing_onoff(void) +{ + long long res = -1; + int fd; + + fd = tracefs_trace_on_get_fd(test_instance); + CU_TEST(fd >= 0); + CU_TEST(check_fd_name(fd, TRACE_ON)); + CU_TEST(check_fd_mode(fd, O_RDWR)); + CU_TEST(tracefs_instance_file_read_number(test_instance, TRACE_ON, &res) == 0); + if (res == 1) { + CU_TEST(tracefs_trace_is_on(test_instance) == 1); + CU_TEST(tracefs_trace_off(test_instance) == 0); + CU_TEST(tracefs_trace_is_on(test_instance) == 0); + CU_TEST(tracefs_trace_on(test_instance) == 0); + CU_TEST(tracefs_trace_is_on(test_instance) == 1); + + CU_TEST(tracefs_trace_off_fd(fd) == 0); + CU_TEST(tracefs_trace_is_on(test_instance) == 0); + CU_TEST(tracefs_trace_on_fd(fd) == 0); + CU_TEST(tracefs_trace_is_on(test_instance) == 1); + } else { + CU_TEST(tracefs_trace_is_on(test_instance) == 0); + CU_TEST(tracefs_trace_on(test_instance) == 0); + CU_TEST(tracefs_trace_is_on(test_instance) == 1); + CU_TEST(tracefs_trace_off(test_instance) == 0); + CU_TEST(tracefs_trace_is_on(test_instance) == 0); + + CU_TEST(tracefs_trace_on_fd(fd) == 0); + CU_TEST(tracefs_trace_is_on(test_instance) == 1); + CU_TEST(tracefs_trace_off_fd(fd) == 0); + CU_TEST(tracefs_trace_is_on(test_instance) == 0); + } + + if (fd >= 0) + close(fd); +} + static void exclude_string(char **strings, char *name) { int i; @@ -721,4 +759,7 @@ void test_tracefs_lib(void) test_instances_walk); CU_add_test(suite, "tracefs_get_clock API", test_get_clock); + CU_add_test(suite, "tracing on / off", + test_tracing_onoff); + } -- 2.29.2