Ctrl-c handler isn't aware of what test is currently running. Because of that it executes all cleanups even if they aren't necessary. Since the ctrl-c handler uses the sigaction system no parameters can be passed to it as function arguments.
Add a global variable to make ctrl-c handler aware of the currently run test and only execute the correct cleanup callback.
Signed-off-by: Maciej Wieczor-Retman maciej.wieczor-retman@intel.com --- tools/testing/selftests/resctrl/resctrl.h | 2 ++ .../testing/selftests/resctrl/resctrl_tests.c | 20 +++++++++---------- tools/testing/selftests/resctrl/resctrl_val.c | 2 +- 3 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h index 0f49df4961ea..79b45cbeb628 100644 --- a/tools/testing/selftests/resctrl/resctrl.h +++ b/tools/testing/selftests/resctrl/resctrl.h @@ -128,6 +128,8 @@ extern pid_t bm_pid, ppid;
extern char llc_occup_path[1024];
+extern struct resctrl_test current_test; + int get_vendor(void); bool check_resctrlfs_support(void); int filter_dmesg(void); diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c index 75fc49ba3efb..b17f7401892c 100644 --- a/tools/testing/selftests/resctrl/resctrl_tests.c +++ b/tools/testing/selftests/resctrl/resctrl_tests.c @@ -14,6 +14,12 @@ static volatile int sink_target; volatile int *value_sink = &sink_target;
+/* + * Set during test preparation for the cleanup function pointer used in + * ctrl-c sa_sigaction + */ +struct resctrl_test current_test; + static struct resctrl_test *resctrl_tests[] = { &mbm_test, &mba_test, @@ -75,18 +81,12 @@ static void cmd_help(void) printf("\t-h: help\n"); }
-void tests_cleanup(void) -{ - mbm_test_cleanup(); - mba_test_cleanup(); - cmt_test_cleanup(); - cat_test_cleanup(); -} - -static int test_prepare(void) +static int test_prepare(const struct resctrl_test *test) { int res;
+ current_test = *test; + res = signal_handler_register(); if (res) { ksft_print_msg("Failed to register signal handler\n"); @@ -130,7 +130,7 @@ static void run_single_test(const struct resctrl_test *test, const struct user_p
ksft_print_msg("Starting %s test ...\n", test->name);
- if (test_prepare()) { + if (test_prepare(test)) { ksft_exit_fail_msg("Abnormal failure when preparing for the test\n"); return; } diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c index 5a49f07a6c85..db6aac33ced1 100644 --- a/tools/testing/selftests/resctrl/resctrl_val.c +++ b/tools/testing/selftests/resctrl/resctrl_val.c @@ -472,7 +472,7 @@ void ctrlc_handler(int signum, siginfo_t *info, void *ptr) if (bm_pid) kill(bm_pid, SIGKILL); umount_resctrlfs(); - tests_cleanup(); + current_test.cleanup(); ksft_print_msg("Ending\n\n");
exit(EXIT_SUCCESS);