X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Fnotification%2Fnotification.c;h=6b70840c738091cdf88d29032836e219be0d8634;hp=f5e44210ab7c2898e5815654fbaaba201793b4f5;hb=51704c8eb4792d8ff748ffdbc2118471a9a67e6c;hpb=3e4ee3b37bab181a2da93b09e4714af5dbbc29c0 diff --git a/tests/regression/tools/notification/notification.c b/tests/regression/tools/notification/notification.c index f5e44210a..6b70840c7 100644 --- a/tests/regression/tools/notification/notification.c +++ b/tests/regression/tools/notification/notification.c @@ -32,7 +32,9 @@ #include #include #include +#include #include +#include #include #include #include @@ -1207,6 +1209,100 @@ static void test_tracepoint_event_rule_notification_exclusion( return; } +static void test_kprobe_event_rule_notification( + enum lttng_domain_type domain_type) +{ + int i, ret; + const int notification_count = 3; + enum lttng_notification_channel_status nc_status; + enum lttng_event_rule_status event_rule_status; + enum lttng_trigger_status trigger_status; + struct lttng_notification_channel *notification_channel = NULL; + struct lttng_condition *condition = NULL; + struct lttng_kernel_probe_location *location = NULL; + struct lttng_event_rule *event_rule = NULL; + struct lttng_action *action = NULL; + struct lttng_trigger *trigger = NULL; + const char * const trigger_name = "kprobe_trigger"; + const char * const symbol_name = "lttng_test_filter_event_write"; + + action = lttng_action_notify_create(); + if (!action) { + fail("Failed to create notify action"); + goto end; + } + + location = lttng_kernel_probe_location_symbol_create(symbol_name, 0); + if (!location) { + fail("Failed to create kernel probe location"); + goto end; + } + + notification_channel = lttng_notification_channel_create( + lttng_session_daemon_notification_endpoint); + ok(notification_channel, "Notification channel object creation"); + + event_rule = lttng_event_rule_kprobe_create(); + ok(event_rule, "kprobe event rule object creation"); + + event_rule_status = lttng_event_rule_kprobe_set_location( + event_rule, location); + ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, + "Setting kprobe event rule location: '%s'", symbol_name); + + event_rule_status = lttng_event_rule_kprobe_set_name( + event_rule, trigger_name); + ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, + "Setting kprobe event rule name: '%s'", trigger_name); + + condition = lttng_condition_event_rule_create(event_rule); + ok(condition, "Condition event rule object creation"); + + /* Register the trigger for condition. */ + trigger = lttng_trigger_create(condition, action); + if (!trigger) { + fail("Failed to create trigger with kernel probe event rule condition and notify action"); + goto end; + } + + trigger_status = lttng_trigger_set_name(trigger, trigger_name); + ok(trigger_status == LTTNG_TRIGGER_STATUS_OK, + "Setting trigger name to '%s'", trigger_name); + + ret = lttng_register_trigger(trigger); + if (ret) { + fail("Failed to register trigger with kernel probe event rule condition and notify action"); + goto end; + } + + nc_status = lttng_notification_channel_subscribe( + notification_channel, condition); + ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, + "Subscribe to tracepoint event rule condition"); + + resume_application(); + + for (i = 0; i < notification_count; i++) { + char *name = get_next_notification_trigger_name( + notification_channel); + + ok(strcmp(trigger_name, name) == 0, + "Received notification for the expected trigger name: '%s' (%d/%d)", + trigger_name, i + 1, notification_count); + free(name); + } + +end: + suspend_application(); + lttng_notification_channel_destroy(notification_channel); + lttng_unregister_trigger(trigger); + lttng_trigger_destroy(trigger); + lttng_action_destroy(action); + lttng_condition_destroy(condition); + lttng_kernel_probe_location_destroy(location); + return; +} + int main(int argc, const char *argv[]) { int test_scenario; @@ -1322,6 +1418,19 @@ int main(int argc, const char *argv[]) break; } + case 4: + { + plan_tests(10); + + /* Test cases that need the kernel tracer. */ + assert(domain_type == LTTNG_DOMAIN_KERNEL); + diag("Test kprobe event rule notifications for domain %s", + domain_type_string); + + test_kprobe_event_rule_notification(domain_type); + + break; + } default: abort(); }