+/*
+ * Get exclusion names message for a single event.
+ *
+ * Returned pointer must be freed by caller. Returns NULL on error.
+ */
+static char *get_exclusion_names_msg(struct lttng_event *event)
+{
+ int ret;
+ int exclusion_count;
+ char *exclusion_msg = NULL;
+ char *at;
+ size_t i;
+ const char * const exclusion_fmt = " [exclusions: ";
+ const size_t exclusion_fmt_len = strlen(exclusion_fmt);
+
+ exclusion_count = lttng_event_get_exclusion_name_count(event);
+ if (exclusion_count < 0) {
+ goto end;
+ } else if (exclusion_count == 0) {
+ /*
+ * No exclusions: return copy of empty string so that
+ * it can be freed by caller.
+ */
+ exclusion_msg = strdup("");
+ goto end;
+ }
+
+ /*
+ * exclusion_msg's size is bounded by the exclusion_fmt string,
+ * a comma per entry, the entry count (fixed-size), a closing
+ * bracket, and a trailing \0.
+ */
+ exclusion_msg = malloc(exclusion_count +
+ exclusion_count * LTTNG_SYMBOL_NAME_LEN +
+ exclusion_fmt_len + 1);
+ if (!exclusion_msg) {
+ goto end;
+ }
+
+ at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len;
+ for (i = 0; i < exclusion_count; ++i) {
+ const char *name;
+
+ /* Append comma between exclusion names */
+ if (i > 0) {
+ *at = ',';
+ at++;
+ }
+
+ ret = lttng_event_get_exclusion_name(event, i, &name);
+ if (ret) {
+ /* Prints '?' on local error; should never happen */
+ *at = '?';
+ at++;
+ continue;
+ }
+
+ /* Append exclusion name */
+ at += sprintf(at, "%s", name);
+ }
+
+ /* This also puts a final '\0' at the end of exclusion_msg */
+ strcpy(at, "]");
+
+end:
+ return exclusion_msg;
+}
+
+static void print_userspace_probe_location(struct lttng_event *event)
+{
+ struct lttng_userspace_probe_location *location;
+ struct lttng_userspace_probe_location_lookup_method *lookup_method;
+ enum lttng_userspace_probe_location_lookup_method_type lookup_type;
+
+ location = lttng_event_get_userspace_probe_location(event);
+ if (!location) {
+ MSG("Event has no userspace probe location");
+ return;
+ }
+
+ lookup_method = lttng_userspace_probe_location_get_lookup_method(location);
+ if (!lookup_method) {
+ MSG("Event has no userspace probe location lookup method");
+ return;
+ }
+
+ MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled));
+
+ lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method);
+
+ switch (lttng_userspace_probe_location_get_type(location)) {
+ case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN:
+ MSG("%sType: Unknown", indent8);
+ break;
+ case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION:
+ {
+ const char *function_name;
+ const char *binary_path;
+
+ MSG("%sType: Function", indent8);
+ function_name = lttng_userspace_probe_location_function_get_function_name(location);
+ binary_path = realpath(lttng_userspace_probe_location_function_get_binary_path(location), NULL);
+
+ MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL");
+ MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL");
+ switch (lookup_type) {
+ case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF:
+ MSG("%sLookup method: ELF", indent8);
+ break;
+ case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT:
+ MSG("%sLookup method: default", indent8);
+ break;
+ default:
+ MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8);
+ break;
+ }
+ break;
+ }
+ case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT:
+ {
+ const char *probe_name, *provider_name;
+ const char *binary_path;
+
+ MSG("%sType: Tracepoint", indent8);
+ probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location);
+ provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location);
+ binary_path = realpath(lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL);
+ MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL");
+ MSG("%sTracepoint: %s:%s", indent8, provider_name ? provider_name : "NULL", probe_name ? probe_name : "NULL");
+ switch (lookup_type) {
+ case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT:
+ MSG("%sLookup method: SDT", indent8);
+ break;
+ default:
+ MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8);
+ break;
+ }
+ break;
+ }
+ default:
+ ERR("Invalid probe type encountered");
+ }
+}
+