From 26e2f47b20625f4d31a8a3632720bb312fd98c27 Mon Sep 17 00:00:00 2001 From: Jonathan Rajotte Date: Thu, 7 May 2020 11:08:34 -0400 Subject: [PATCH] Tests: Implement trigger capture test cases MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Jonathan Rajotte Signed-off-by: Jérémie Galarneau Change-Id: I661fd8f72c871c4c38b941e9c9c5f6054383354c Depends-on: lttng-ust: I8423c510bf6af2f9bf85256e8d6f931d36f7054b --- tests/regression/Makefile.am | 2 + .../regression/tools/notification/Makefile.am | 4 + .../tools/notification/notification.c | 832 +++++++++++++++++- .../test_notification_kernel_capture | 55 ++ .../test_notification_ust_capture | 40 + 5 files changed, 928 insertions(+), 5 deletions(-) create mode 100755 tests/regression/tools/notification/test_notification_kernel_capture create mode 100755 tests/regression/tools/notification/test_notification_ust_capture diff --git a/tests/regression/Makefile.am b/tests/regression/Makefile.am index 817918f68..ca39c85e7 100644 --- a/tests/regression/Makefile.am +++ b/tests/regression/Makefile.am @@ -29,9 +29,11 @@ TESTS = tools/filtering/test_invalid_filter \ tools/regen-statedump/test_ust \ tools/notification/test_notification_ust_error \ tools/notification/test_notification_ust_buffer_usage \ + tools/notification/test_notification_ust_capture \ tools/notification/test_notification_ust_event_rule_condition_exclusion \ tools/notification/test_notification_kernel_error \ tools/notification/test_notification_kernel_buffer_usage \ + tools/notification/test_notification_kernel_capture \ tools/notification/test_notification_kernel_instrumentation \ tools/notification/test_notification_kernel_syscall \ tools/notification/test_notification_kernel_userspace_probe \ diff --git a/tests/regression/tools/notification/Makefile.am b/tests/regression/tools/notification/Makefile.am index 3aca442f2..84acf3d3d 100644 --- a/tests/regression/tools/notification/Makefile.am +++ b/tests/regression/tools/notification/Makefile.am @@ -15,12 +15,14 @@ EXTRA_DIST = \ consumer_testpoints.c \ notification.c \ test_notification_kernel_buffer_usage \ + test_notification_kernel_capture \ test_notification_kernel_error \ test_notification_kernel_instrumentation \ test_notification_kernel_syscall \ test_notification_kernel_userspace_probe \ test_notification_multi_app \ test_notification_ust_buffer_usage \ + test_notification_ust_capture \ test_notification_ust_error \ test_notification_ust_event_rule_condition_exclusion \ util_event_generator.sh @@ -64,12 +66,14 @@ noinst_SCRIPTS = \ EXTRA_DIST = \ test_notification_kernel_buffer_usage \ + test_notification_kernel_capture \ test_notification_kernel_error \ test_notification_kernel_instrumentation \ test_notification_kernel_syscall \ test_notification_kernel_userspace_probe \ test_notification_multi_app \ test_notification_ust_buffer_usage \ + test_notification_ust_capture \ test_notification_ust_error \ test_notification_ust_event_rule_condition_exclusion \ test_rotation \ diff --git a/tests/regression/tools/notification/notification.c b/tests/regression/tools/notification/notification.c index 73415c51e..f6cd908b9 100644 --- a/tests/regression/tools/notification/notification.c +++ b/tests/regression/tools/notification/notification.c @@ -28,11 +28,554 @@ #include +#define FIELD_NAME_MAX_LEN 256 + +/* A callback to populate the condition capture descriptor. */ +typedef int (*condition_capture_desc_cb)(struct lttng_condition *condition); + +/* A callback for captured field validation. */ +typedef int (*validate_cb)(const struct lttng_event_field_value *event_field, unsigned iteration); + int nb_args = 0; int named_pipe_args_start = 0; pid_t app_pid = 0; const char *app_state_file = NULL; +enum field_type { + FIELD_TYPE_PAYLOAD, + FIELD_TYPE_CONTEXT, + FIELD_TYPE_APP_CONTEXT, + FIELD_TYPE_ARRAY_FIELD, +}; + +struct capture_base_field_tuple { + char* field_name; + enum field_type field_type; + /* Do we expect a userspace capture? */ + bool expected_ust; + /* Do we expect a kernel capture? */ + bool expected_kernel; + validate_cb validate_ust; + validate_cb validate_kernel; +}; + +static +const char *field_value_type_to_str(enum lttng_event_field_value_type type) +{ + switch (type) { + case LTTNG_EVENT_FIELD_VALUE_TYPE_UNKNOWN: + return "UNKNOWN"; + case LTTNG_EVENT_FIELD_VALUE_TYPE_INVALID: + return "INVALID"; + case LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT: + return "UNSIGNED INT"; + case LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_INT: + return "SIGNED INT"; + case LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM: + return "UNSIGNED ENUM"; + case LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM: + return "SIGNED ENUM"; + case LTTNG_EVENT_FIELD_VALUE_TYPE_REAL: + return "REAL"; + case LTTNG_EVENT_FIELD_VALUE_TYPE_STRING: + return "STRING"; + case LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY: + return "ARRAY"; + default: + abort(); + } +} + +static int validate_type(const struct lttng_event_field_value *event_field, + enum lttng_event_field_value_type expect) +{ + int ret; + enum lttng_event_field_value_type value; + + value = lttng_event_field_value_get_type(event_field); + if (value == LTTNG_EVENT_FIELD_VALUE_TYPE_INVALID) { + ret = 1; + goto end; + } + + ok(expect == value, "Expected field type %s, got %s", + field_value_type_to_str(expect), + field_value_type_to_str(value)); + + ret = expect != value; + +end: + return ret; +} + +/* + * Validate unsigned captured field against the iteration number. + */ +static int validate_unsigned_int_field( + const struct lttng_event_field_value *event_field, + unsigned int expected_value) +{ + int ret; + uint64_t value; + enum lttng_event_field_value_status status; + + ret = validate_type( + event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT); + if (ret) { + goto end; + } + + status = lttng_event_field_value_unsigned_int_get_value( + event_field, &value); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_unsigned_int_get_value returned an error: status = %d", + (int) status); + ret = 1; + goto end; + } + + ok(value == (uint64_t) expected_value, + "Expected unsigned integer value %u, got %" PRIu64, + expected_value, value); + + ret = value != (uint64_t) expected_value; + +end: + return ret; +} + +/* + * Validate signed captured field. + */ +static int validate_signed_int_field( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + int ret; + const int64_t expected = -1; + int64_t value; + enum lttng_event_field_value_status status; + + /* Unused. */ + (void) iteration; + + ret = validate_type( + event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_INT); + if (ret) { + goto end; + } + + status = lttng_event_field_value_signed_int_get_value( + event_field, &value); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_signed_int_get_value returned an error: status = %d", + (int) status); + ret = 1; + goto end; + } + + ok(value == expected, + "Expected signed integer value %" PRId64 + ", got %" PRId64, + expected, value); + + ret = value != expected; + +end: + + return ret; +} + +/* + * Validate array of unsigned int. + */ +static int validate_array_unsigned_int_field( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + int ret; + enum lttng_event_field_value_status status; + const unsigned int expected = 3; + unsigned int i, count; + + /* Unused. */ + (void) iteration; + + ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY); + if (ret) { + goto end; + } + + status = lttng_event_field_value_array_get_length(event_field, &count); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_array_get_length"); + ret = 1; + goto end; + } + + ok(count == expected, "Expected %d subelements, got %d", expected, + count); + if (count != expected) { + ret = 1; + goto end; + } + + for (i = 1; i < count + 1; i++) { + const struct lttng_event_field_value *value; + + status = lttng_event_field_value_array_get_element_at_index( + event_field, i - 1, &value); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_array_get_element_at_index returned an error: status = %d", + (int) status); + ret = 1; + goto end; + } + + ret = validate_unsigned_int_field(value, i); + if (ret) { + goto end; + } + } + + ret = 0; +end: + + return ret; +} + +static int validate_array_unsigned_int_field_at_index( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + int ret; + const uint64_t expected_value = 2; + enum lttng_event_field_value_status status; + uint64_t value; + + /* Unused. */ + (void) iteration; + + ret = validate_type( + event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT); + if (ret) { + goto end; + } + + status = lttng_event_field_value_unsigned_int_get_value( + event_field, &value); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_unsigned_int_get_value returned an error: status = %d", + (int) status); + ret = 1; + goto end; + } + + ok(value == expected_value, + "Expected unsigned integer value %u, got %" PRIu64, + expected_value, value); + + ret = 0; +end: + return ret; +} + +/* + * Validate sequence for a string (seqfield1): + * + * Value: "test" encoded in UTF-8: [116, 101, 115, 116] + */ +static int validate_seqfield1(const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + int ret; + enum lttng_event_field_value_status status; + unsigned int i, count; + const unsigned int expect[] = {116, 101, 115, 116}; + const size_t array_count = sizeof(expect) / sizeof(*expect); + + /* Unused. */ + (void) iteration; + + ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY); + if (ret) { + goto end; + } + + status = lttng_event_field_value_array_get_length(event_field, &count); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_array_get_length returned an error: status = %d", + (int) status); + ret = 1; + goto end; + } + + ok(count == array_count, "Expected %zu array sub-elements, got %d", + array_count, count); + if (count != array_count) { + ret = 1; + goto end; + } + + for (i = 0; i < count; i++) { + const struct lttng_event_field_value *value; + + status = lttng_event_field_value_array_get_element_at_index( + event_field, i, &value); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_array_get_element_at_index returned an error: status = %d", + (int) status); + ret = 1; + goto end; + } + + ret = validate_unsigned_int_field(value, expect[i]); + if (ret) { + goto end; + } + } + + ret = 0; +end: + return ret; +} + +static int validate_string( + const struct lttng_event_field_value *event_field, + const char *expect) +{ + int ret; + const char *value = NULL; + enum lttng_event_field_value_status status; + + ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_STRING); + if (ret) { + goto end; + } + + status = lttng_event_field_value_string_get_value(event_field, &value); + if (!value) { + fail("lttng_event_field_value_array_get_length returned an error: status = %d", + (int) status); + ret = 1; + goto end; + } + + ok(!strcmp(value, expect), "Expected string value \"%s\", got \"%s\"", + expect, value); + + ret = 0; +end: + + return ret; +} + +/* + * Validate string. Expected value is "test". + */ +static int validate_string_test( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + const char * const expect = "test"; + + /* Unused. */ + (void) iteration; + + return validate_string(event_field, expect); +} + +/* + * Validate escaped string. Expected value is "\*". + */ +static int validate_string_escaped( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + const char * const expect = "\\*"; + + /* Unused. */ + (void) iteration; + + return validate_string(event_field, expect); +} + +/* + * Validate real field. + */ +static int validate_real( + const struct lttng_event_field_value *event_field, + double expect) +{ + int ret; + double value; + enum lttng_event_field_value_status status; + + ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_REAL); + if (ret) { + goto end; + } + + status = lttng_event_field_value_real_get_value(event_field, &value); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_real_get_value returned an error: status = %d", + (int) status); + ret = 1; + goto end; + } + + ok(value == expect, "Expected real value %f, got %f", expect, value); + ret = value != expect; +end: + return ret; +} + +/* + * Validate floatfield. + */ +static int validate_floatfield( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + const double expect = 2222.0; + + /* Unused. */ + (void) iteration; + + return validate_real(event_field, expect); +} + +/* + * Validate doublefield. + */ +static int validate_doublefield( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + const double expect = 2.0; + + /* Unused. */ + (void) iteration; + + return validate_real(event_field, expect); +} + +/* + * Validate enum0: enum0 = ( "AUTO: EXPECT 0" : container = 0 ) + */ +static int validate_enum0(const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + int ret; + enum lttng_event_field_value_status status; + uint64_t value; + const uint64_t expected_value = 0; + + /* Unused. */ + (void) iteration; + + ret = validate_type(event_field, + LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM); + if (ret) { + goto end; + } + + status = lttng_event_field_value_unsigned_int_get_value( + event_field, &value); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_unsigned_int_get_value returned an error: status = %d", + (int) status); + ret = 1; + goto end; + } + + ok(value == expected_value, + "Expected enum value %" PRIu64 ", got %" PRIu64, + expected_value, value); + +end: + return ret; +} + +/* + * Validate enumnegative: enumnegative = ( "AUTO: EXPECT 0" : container = 0 ) + * + * We expect 2 labels here. + */ +static int validate_enumnegative( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + int ret; + enum lttng_event_field_value_status status; + int64_t value; + const int64_t expected_value = -1; + + /* Unused. */ + (void) iteration; + + ret = validate_type(event_field, + LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM); + if (ret) { + goto end; + } + + status = lttng_event_field_value_signed_int_get_value( + event_field, &value); + if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("lttng_event_field_value_unsigned_int_get_value"); + ret = 1; + goto end; + } + + ok(value == expected_value, + "Expected enum value %" PRId64 ", got %" PRId64, + expected_value, value); + +end: + return ret; +} + +static int validate_context_procname_ust( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + /* Unused. */ + (void) iteration; + return validate_string(event_field, "gen-ust-events"); +} + +static int validate_context_procname_kernel( + const struct lttng_event_field_value *event_field, + unsigned int iteration) +{ + /* Unused. */ + (void) iteration; + return validate_string(event_field, "echo"); +} + +struct capture_base_field_tuple test_capture_base_fields[] = { + { "DOESNOTEXIST", FIELD_TYPE_PAYLOAD, false, false, NULL, NULL }, + { "intfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field }, + { "longfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field }, + { "signedfield", FIELD_TYPE_PAYLOAD, true, true, validate_signed_int_field, validate_signed_int_field }, + { "arrfield1", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field }, + { "arrfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test }, + { "arrfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field }, + { "seqfield1", FIELD_TYPE_PAYLOAD, true, true, validate_seqfield1, validate_seqfield1 }, + { "seqfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test }, + { "seqfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field }, + { "seqfield4", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field }, + { "arrfield1[1]", FIELD_TYPE_ARRAY_FIELD, true, true, validate_array_unsigned_int_field_at_index, validate_array_unsigned_int_field_at_index }, + { "stringfield", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test }, + { "stringfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_escaped, validate_string_escaped }, + { "floatfield", FIELD_TYPE_PAYLOAD, true, false, validate_floatfield, validate_floatfield }, + { "doublefield", FIELD_TYPE_PAYLOAD, true, false, validate_doublefield, validate_doublefield }, + { "enum0", FIELD_TYPE_PAYLOAD, true, true, validate_enum0, validate_enum0 }, + { "enumnegative", FIELD_TYPE_PAYLOAD, true, true, validate_enumnegative, validate_enumnegative }, + { "$ctx.procname", FIELD_TYPE_CONTEXT, true, true, validate_context_procname_ust, validate_context_procname_kernel }, +}; + static const char *get_notification_trigger_name( struct lttng_notification *notification) { @@ -904,6 +1447,7 @@ static void create_tracepoint_event_rule_trigger(const char *event_pattern, unsigned int exclusion_count, const char * const *exclusions, enum lttng_domain_type domain_type, + condition_capture_desc_cb capture_desc_cb, struct lttng_condition **condition, struct lttng_trigger **trigger) { @@ -963,6 +1507,14 @@ static void create_tracepoint_event_rule_trigger(const char *event_pattern, tmp_condition = lttng_condition_event_rule_create(event_rule); ok(tmp_condition, "Condition event rule object creation"); + if (capture_desc_cb) { + ret = capture_desc_cb(tmp_condition); + if (ret) { + fail("Failed to generate the condition capture descriptor"); + abort(); + } + } + tmp_action = lttng_action_notify_create(); ok(tmp_action, "Action event rule object creation"); @@ -1033,7 +1585,7 @@ static void test_tracepoint_event_rule_notification( } create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0, - NULL, domain_type, &condition, &trigger); + NULL, domain_type, NULL, &condition, &trigger); notification_channel = lttng_notification_channel_create( lttng_session_daemon_notification_endpoint); @@ -1101,7 +1653,7 @@ static void test_tracepoint_event_rule_notification_filter( ok(notification_channel, "Notification channel object creation"); create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL, - 0, NULL, domain_type, &ctrl_condition, &ctrl_trigger); + 0, NULL, domain_type, NULL, &ctrl_condition, &ctrl_trigger); nc_status = lttng_notification_channel_subscribe( notification_channel, ctrl_condition); @@ -1113,7 +1665,7 @@ static void test_tracepoint_event_rule_notification_filter( * `intfield` is even. */ create_tracepoint_event_rule_trigger(pattern, trigger_name, - "(intfield & 1) == 0", 0, NULL, domain_type, &condition, + "(intfield & 1) == 0", 0, NULL, domain_type, NULL, &condition, &trigger); nc_status = lttng_notification_channel_subscribe( @@ -1201,7 +1753,8 @@ static void test_tracepoint_event_rule_notification_exclusion( ok(notification_channel, "Notification channel object creation"); create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL, - 0, NULL, domain_type, &ctrl_condition, &ctrl_trigger); + 0, NULL, domain_type, NULL, &ctrl_condition, + &ctrl_trigger); nc_status = lttng_notification_channel_subscribe( notification_channel, ctrl_condition); @@ -1209,7 +1762,8 @@ static void test_tracepoint_event_rule_notification_exclusion( "Subscribe to tracepoint event rule condition"); create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 4, - exclusions, domain_type, &condition, &trigger); + exclusions, domain_type, NULL, &condition, + &trigger); nc_status = lttng_notification_channel_subscribe( notification_channel, condition); @@ -1681,6 +2235,254 @@ end: return; } +static int generate_capture_descr(struct lttng_condition *condition) +{ + int ret, i; + struct lttng_event_expr *expr = NULL; + const unsigned int basic_field_count = sizeof(test_capture_base_fields) / + sizeof(*test_capture_base_fields); + enum lttng_condition_status cond_status; + + for (i = 0; i < basic_field_count; i++) { + diag("Adding capture descriptor '%s'", + test_capture_base_fields[i].field_name); + + switch (test_capture_base_fields[i].field_type) { + case FIELD_TYPE_PAYLOAD: + expr = lttng_event_expr_event_payload_field_create( + test_capture_base_fields[i].field_name); + break; + case FIELD_TYPE_CONTEXT: + expr = lttng_event_expr_channel_context_field_create( + test_capture_base_fields[i].field_name); + break; + case FIELD_TYPE_ARRAY_FIELD: + { + int nb_matches; + unsigned int index; + char field_name[FIELD_NAME_MAX_LEN]; + struct lttng_event_expr *array_expr = NULL; + + nb_matches = sscanf(test_capture_base_fields[i].field_name, + "%[^[][%u]", field_name, &index); + if (nb_matches != 2) { + fail("Unexpected array field name format: field name = '%s'", + test_capture_base_fields[i].field_name); + ret = 1; + goto end; + } + + array_expr = lttng_event_expr_event_payload_field_create( + field_name); + + expr = lttng_event_expr_array_field_element_create( + array_expr, index); + break; + } + case FIELD_TYPE_APP_CONTEXT: + fail("Application context tests are not implemented yet."); + /* fallthrough. */ + default: + ret = 1; + goto end; + } + + if (expr == NULL) { + fail("Failed to create capture expression"); + ret = -1; + goto end; + } + + cond_status = lttng_condition_event_rule_append_capture_descriptor( + condition, expr); + if (cond_status != LTTNG_CONDITION_STATUS_OK) { + fail("Failed to append capture descriptor"); + ret = -1; + lttng_event_expr_destroy(expr); + goto end; + } + } + + ret = 0; + +end: + return ret; +} + +static int validator_notification_trigger_capture( + enum lttng_domain_type domain, + struct lttng_notification *notification, + const int iteration) +{ + int ret; + unsigned int capture_count, i; + enum lttng_evaluation_status evaluation_status; + enum lttng_event_field_value_status event_field_value_status; + const struct lttng_evaluation *evaluation; + const struct lttng_event_field_value *captured_fields; + bool at_least_one_error = false; + + evaluation = lttng_notification_get_evaluation(notification); + if (evaluation == NULL) { + fail("Failed to get evaluation from notification during trigger capture test"); + ret = 1; + goto end; + } + + evaluation_status = lttng_evaluation_event_rule_get_captured_values( + evaluation, &captured_fields); + if (evaluation_status != LTTNG_EVALUATION_STATUS_OK) { + diag("Failed to get event rule evaluation captured values: status = %d", + (int) evaluation_status); + ret = 1; + goto end; + } + + event_field_value_status = + lttng_event_field_value_array_get_length(captured_fields, + &capture_count); + if (event_field_value_status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + fail("Failed to get count of captured value field array"); + ret = 1; + goto end; + } + + for (i = 0; i < capture_count; i++) { + const struct lttng_event_field_value *captured_field = NULL; + validate_cb validate; + bool expected; + + diag("Validating capture of field '%s'", + test_capture_base_fields[i].field_name); + event_field_value_status = + lttng_event_field_value_array_get_element_at_index( + captured_fields, i, + &captured_field); + + switch(domain) { + case LTTNG_DOMAIN_UST: + expected = test_capture_base_fields[i].expected_ust; + break; + case LTTNG_DOMAIN_KERNEL: + expected = test_capture_base_fields[i].expected_kernel; + break; + default: + fail("Unexpected domain encountered: domain = %d", + (int) domain); + ret = 1; + goto end; + } + + if (domain == LTTNG_DOMAIN_UST) { + validate = test_capture_base_fields[i].validate_ust; + } else { + validate = test_capture_base_fields[i].validate_kernel; + } + + if (!expected) { + ok(event_field_value_status == LTTNG_EVENT_FIELD_VALUE_STATUS_UNAVAILABLE, + "No payload captured"); + continue; + } + + if (event_field_value_status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { + if (event_field_value_status == + LTTNG_EVENT_FIELD_VALUE_STATUS_UNAVAILABLE) { + fail("Expected a capture but it is unavailable"); + } else { + fail("lttng_event_field_value_array_get_element_at_index returned an error: status = %d", + (int) event_field_value_status); + } + + ret = 1; + goto end; + } + + diag("Captured field of type %s", + field_value_type_to_str( + lttng_event_field_value_get_type(captured_field))); + + assert(validate); + ret = validate(captured_field, iteration); + if (ret) { + at_least_one_error = true; + } + } + + ret = at_least_one_error; + +end: + return ret; +} + +static void test_tracepoint_event_rule_notification_capture( + enum lttng_domain_type domain_type) +{ + enum lttng_notification_channel_status nc_status; + + int i, ret; + struct lttng_condition *condition = NULL; + struct lttng_notification_channel *notification_channel = NULL; + struct lttng_trigger *trigger = NULL; + const char *trigger_name = "my_precious"; + const char *pattern; + + if (domain_type == LTTNG_DOMAIN_UST) { + pattern = "tp:tptest"; + } else { + pattern = "lttng_test_filter_event"; + } + + create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0, + NULL, domain_type, generate_capture_descr, &condition, + &trigger); + + notification_channel = lttng_notification_channel_create( + lttng_session_daemon_notification_endpoint); + ok(notification_channel, "Notification channel object creation"); + + 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(); + + /* Get 3 notifications */ + for (i = 0; i < 3; i++) { + struct lttng_notification *notification = get_next_notification( + notification_channel); + ok(notification, "Received notification"); + + /* Error */ + if (notification == NULL) { + goto end; + } + + ret = validator_notification_trigger_name(notification, trigger_name); + if (ret) { + lttng_notification_destroy(notification); + goto end; + } + + ret = validator_notification_trigger_capture(domain_type, notification, i); + if (ret) { + lttng_notification_destroy(notification); + goto end; + } + + lttng_notification_destroy(notification); + } + +end: + suspend_application(); + lttng_notification_channel_destroy(notification_channel); + lttng_unregister_trigger(trigger); + lttng_trigger_destroy(trigger); + lttng_condition_destroy(condition); + return; +} + int main(int argc, const char *argv[]) { int test_scenario; @@ -1851,6 +2653,26 @@ int main(int argc, const char *argv[]) break; } + case 7: + { + switch(domain_type) { + case LTTNG_DOMAIN_UST: + plan_tests(222); + break; + case LTTNG_DOMAIN_KERNEL: + plan_tests(216); + break; + default: + assert(0); + } + + diag("Test tracepoint event rule notification captures for domain %s", + domain_type_string); + test_tracepoint_event_rule_notification_capture(domain_type); + + break; + } + default: abort(); } diff --git a/tests/regression/tools/notification/test_notification_kernel_capture b/tests/regression/tools/notification/test_notification_kernel_capture new file mode 100755 index 000000000..9b6e7ac57 --- /dev/null +++ b/tests/regression/tools/notification/test_notification_kernel_capture @@ -0,0 +1,55 @@ +#!/bin/bash +# +# Copyright (C) 2017 Jonathan Rajotte-Julien +# +# SPDX-License-Identifier: LGPL-2.1-only + +CURDIR=$(dirname "$0")/ +TESTDIR=$CURDIR/../../../ + +TMPDIR=$(mktemp -d) + +TESTAPP_PATH="$TESTDIR/utils/testapp" +TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX") + +NUM_TESTS=104 + +# shellcheck source=../../../utils/utils.sh +source "$TESTDIR/utils/utils.sh" +# shellcheck source=./util_event_generator.sh +source "$CURDIR/util_event_generator.sh" + +function test_basic_error_path +{ + kernel_event_generator_run_once_per_transition generate_filter_events \ + "$TESTAPP_STATE_PATH" 10 & + APP_PID=$! + + "$CURDIR/notification" 7 LTTNG_DOMAIN_KERNEL $APP_PID \ + "$TESTAPP_STATE_PATH" + + kill -SIGUSR2 $APP_PID + wait $APP_PID 2> /dev/null +} + + +if [ "$(id -u)" == "0" ]; then + validate_lttng_modules_present + + modprobe lttng-test + + start_lttng_sessiond_notap + + test_basic_error_path + + stop_lttng_sessiond_notap + rmmod lttng-test + +else + # Kernel tests are skipped. + plan_tests $NUM_TESTS + skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS +fi + +# Just in case cleanup +rm -rf "$TMPDIR" diff --git a/tests/regression/tools/notification/test_notification_ust_capture b/tests/regression/tools/notification/test_notification_ust_capture new file mode 100755 index 000000000..5003c2894 --- /dev/null +++ b/tests/regression/tools/notification/test_notification_ust_capture @@ -0,0 +1,40 @@ +#!/bin/bash +# +# Copyright (C) 2017 Jonathan Rajotte-Julien +# +# SPDX-License-Identifier: LGPL-2.1-only + +CURDIR=$(dirname "$0")/ +TESTDIR=$CURDIR/../../../ + +TMPDIR=$(mktemp -d) + +TESTAPP_PATH="$TESTDIR/utils/testapp" + +GEN_UST_EVENTS_TESTAPP_NAME="gen-ust-events" +GEN_UST_EVENTS_TESTAPP_BIN="$TESTAPP_PATH/$GEN_UST_EVENTS_TESTAPP_NAME/$GEN_UST_EVENTS_TESTAPP_NAME" + +TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX") + +# shellcheck source=../../../utils/utils.sh +source "$TESTDIR/utils/utils.sh" +# shellcheck source=./util_event_generator.sh +source "$CURDIR/util_event_generator.sh" + +function test_basic_error_path +{ + ust_event_generator_run_once_per_transition \ + "$GEN_UST_EVENTS_TESTAPP_BIN" "$TESTAPP_STATE_PATH" 3 10 & + APP_PID=$! + + "$CURDIR/notification" 7 LTTNG_DOMAIN_UST $APP_PID "$TESTAPP_STATE_PATH" + + kill -SIGUSR2 $APP_PID + wait $APP_PID 2> /dev/null +} + +start_lttng_sessiond_notap + +test_basic_error_path + +stop_lttng_sessiond_notap -- 2.34.1