X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fevent-rule%2Fkernel-syscall.c;h=f9e2792a65081e234fea8638ca64a29fae844065;hb=a0377dfefe40662ba7d68617bce6ff467114136c;hp=a2a77a3c4d83af12a7bf23a1cafe951d5706648f;hpb=4f7da553ae57a6c947da2b9668c06418b2d50e99;p=lttng-tools.git

diff --git a/src/common/event-rule/kernel-syscall.c b/src/common/event-rule/kernel-syscall.c
index a2a77a3c4..f9e2792a6 100644
--- a/src/common/event-rule/kernel-syscall.c
+++ b/src/common/event-rule/kernel-syscall.c
@@ -5,15 +5,15 @@
  *
  */
 
-#include <assert.h>
 #include <common/credentials.h>
 #include <common/error.h>
+#include <common/hashtable/hashtable.h>
+#include <common/hashtable/utils.h>
 #include <common/macros.h>
-#include <common/payload.h>
+#include <common/mi-lttng.h>
 #include <common/payload-view.h>
+#include <common/payload.h>
 #include <common/runas.h>
-#include <common/hashtable/hashtable.h>
-#include <common/hashtable/utils.h>
 #include <common/string-utils/string-utils.h>
 #include <lttng/event-rule/event-rule-internal.h>
 #include <lttng/event-rule/kernel-syscall-internal.h>
@@ -121,8 +121,8 @@ static bool lttng_event_rule_kernel_syscall_is_equal(const struct lttng_event_ru
 		goto end;
 	}
 
-	assert(a->pattern);
-	assert(b->pattern);
+	LTTNG_ASSERT(a->pattern);
+	LTTNG_ASSERT(b->pattern);
 	if (strcmp(a->pattern, b->pattern)) {
 		goto end;
 	}
@@ -152,7 +152,7 @@ static enum lttng_error_code lttng_event_rule_kernel_syscall_generate_filter_byt
 	const char *filter;
 	struct lttng_bytecode *bytecode = NULL;
 
-	assert(rule);
+	LTTNG_ASSERT(rule);
 
 	syscall = container_of(rule, struct lttng_event_rule_kernel_syscall, parent);
 
@@ -201,7 +201,7 @@ static const char *lttng_event_rule_kernel_syscall_get_internal_filter(
 {
 	struct lttng_event_rule_kernel_syscall *syscall;
 
-	assert(rule);
+	LTTNG_ASSERT(rule);
 	syscall = container_of(rule, struct lttng_event_rule_kernel_syscall, parent);
 
 	return syscall->internal_filter.filter;
@@ -213,7 +213,7 @@ lttng_event_rule_kernel_syscall_get_internal_filter_bytecode(
 {
 	struct lttng_event_rule_kernel_syscall *syscall;
 
-	assert(rule);
+	LTTNG_ASSERT(rule);
 	syscall = container_of(rule, struct lttng_event_rule_kernel_syscall, parent);
 
 	return syscall->internal_filter.bytecode;
@@ -247,6 +247,95 @@ lttng_event_rule_kernel_syscall_hash(
 	return hash;
 }
 
+static enum lttng_error_code lttng_event_rule_kernel_syscall_mi_serialize(
+		const struct lttng_event_rule *rule, struct mi_writer *writer)
+{
+	int ret;
+	enum lttng_error_code ret_code;
+	enum lttng_event_rule_status status;
+
+	enum lttng_event_rule_kernel_syscall_emission_site site_type;
+	const char *filter = NULL;
+	const char *name_pattern = NULL;
+	const char *site_type_str = NULL;
+
+	LTTNG_ASSERT(rule);
+	LTTNG_ASSERT(writer);
+	LTTNG_ASSERT(IS_SYSCALL_EVENT_RULE(rule));
+
+	status = lttng_event_rule_kernel_syscall_get_name_pattern(
+			rule, &name_pattern);
+	LTTNG_ASSERT(status == LTTNG_EVENT_RULE_STATUS_OK);
+	LTTNG_ASSERT(name_pattern);
+
+	status = lttng_event_rule_kernel_syscall_get_filter(rule, &filter);
+	LTTNG_ASSERT(status == LTTNG_EVENT_RULE_STATUS_OK ||
+			status == LTTNG_EVENT_RULE_STATUS_UNSET);
+
+	site_type = lttng_event_rule_kernel_syscall_get_emission_site(rule);
+
+	switch (site_type) {
+	case LTTNG_EVENT_RULE_KERNEL_SYSCALL_EMISSION_SITE_ENTRY_EXIT:
+		site_type_str = mi_lttng_event_rule_kernel_syscall_emission_site_entry_exit;
+		break;
+	case LTTNG_EVENT_RULE_KERNEL_SYSCALL_EMISSION_SITE_ENTRY:
+		site_type_str = mi_lttng_event_rule_kernel_syscall_emission_site_entry;
+		break;
+	case LTTNG_EVENT_RULE_KERNEL_SYSCALL_EMISSION_SITE_EXIT:
+		site_type_str = mi_lttng_event_rule_kernel_syscall_emission_site_exit;
+		break;
+	default:
+		abort();
+		break;
+	}
+
+	/* Open event rule kernel syscall element. */
+	ret = mi_lttng_writer_open_element(
+			writer, mi_lttng_element_event_rule_kernel_syscall);
+	if (ret) {
+		goto mi_error;
+	}
+
+	/* Emission site. */
+	ret = mi_lttng_writer_write_element_string(writer,
+			mi_lttng_element_event_rule_kernel_syscall_emission_site,
+			site_type_str);
+	if (ret) {
+		goto mi_error;
+	}
+
+	/* Name pattern. */
+	ret = mi_lttng_writer_write_element_string(writer,
+			mi_lttng_element_event_rule_name_pattern, name_pattern);
+	if (ret) {
+		goto mi_error;
+	}
+
+	/* Filter. */
+	if (filter != NULL) {
+		ret = mi_lttng_writer_write_element_string(writer,
+				mi_lttng_element_event_rule_filter_expression,
+				filter);
+		if (ret) {
+			goto mi_error;
+		}
+	}
+
+	/* Close event rule kernel syscall. */
+	ret = mi_lttng_writer_close_element(writer);
+	if (ret) {
+		goto mi_error;
+	}
+
+	ret_code = LTTNG_OK;
+	goto end;
+
+mi_error:
+	ret_code = LTTNG_ERR_MI_IO_FAIL;
+end:
+	return ret_code;
+}
+
 struct lttng_event_rule *lttng_event_rule_kernel_syscall_create(
 		enum lttng_event_rule_kernel_syscall_emission_site
 				emission_site)
@@ -287,6 +376,7 @@ struct lttng_event_rule *lttng_event_rule_kernel_syscall_create(
 	syscall_rule->parent.generate_exclusions =
 			lttng_event_rule_kernel_syscall_generate_exclusions;
 	syscall_rule->parent.hash = lttng_event_rule_kernel_syscall_hash;
+	syscall_rule->parent.mi_serialize = lttng_event_rule_kernel_syscall_mi_serialize;
 
 	/* Default pattern is '*'. */
 	status = lttng_event_rule_kernel_syscall_set_name_pattern(rule, "*");