static const char *str_jul = "JUL";
static const char *str_log4j = "LOG4J";
static const char *str_python = "Python";
+static const char *str_all = "ALL";
+static const char *str_tracepoint = "Tracepoint";
+static const char *str_syscall = "Syscall";
+static const char *str_probe = "Probe";
+static const char *str_userspace_probe = "Userspace Probe";
+static const char *str_function = "Function";
static
char *_get_session_name(int quiet)
return str_dom;
}
+const char *get_event_type_str(enum lttng_event_type type)
+{
+ const char *str_event_type;
+
+ switch (type) {
+ case LTTNG_EVENT_ALL:
+ str_event_type = str_all;
+ break;
+ case LTTNG_EVENT_TRACEPOINT:
+ str_event_type = str_tracepoint;
+ break;
+ case LTTNG_EVENT_SYSCALL:
+ str_event_type = str_syscall;
+ break;
+ case LTTNG_EVENT_PROBE:
+ str_event_type = str_probe;
+ break;
+ case LTTNG_EVENT_USERSPACE_PROBE:
+ str_event_type = str_userspace_probe;
+ break;
+ case LTTNG_EVENT_FUNCTION:
+ str_event_type = str_function;
+ break;
+ default:
+ /* Should not have an unknown event type or else define it. */
+ assert(0);
+ }
+
+ return str_event_type;
+}
+
/*
* Spawn a lttng relayd daemon by forking and execv.
*/
* A successful connect means the relayd exists thus returning 0 else a
* negative value means it does NOT exists.
*/
- ret = connect(fd, &sin, sizeof(sin));
+ ret = connect(fd, (struct sockaddr *) &sin, sizeof(sin));
if (ret < 0) {
/* Not found. */
ret = 0;
*/
void print_session_stats(const char *session_name)
{
- int count, nb_domains, domain_idx, channel_idx;
+ int count, nb_domains, domain_idx, channel_idx, session_idx;
struct lttng_domain *domains;
struct lttng_channel *channels;
- uint64_t discarded_total = 0, lost_total = 0;
+ uint64_t discarded_events_total = 0, lost_packets_total = 0;
+ struct lttng_session *sessions = NULL;
+ const struct lttng_session *selected_session = NULL;
+
+ count = lttng_list_sessions(&sessions);
+ if (count < 1) {
+ ERR("Failed to retrieve session descriptions while printing session statistics.");
+ goto end;
+ }
+
+ /* Identify the currently-selected sessions. */
+ for (session_idx = 0; session_idx < count; session_idx++) {
+ if (!strcmp(session_name, sessions[session_idx].name)) {
+ selected_session = &sessions[session_idx];
+ break;
+ }
+ }
+ if (!selected_session) {
+ ERR("Failed to retrieve session \"%s\" description while printing session statistics.", session_name);
+ goto end;
+ }
nb_domains = lttng_list_domains(session_name, &domains);
if (nb_domains < 0) {
&domains[domain_idx]);
if (!handle) {
- ERR("Failed to create session handle while printing session stats.");
+ ERR("Failed to create session handle while printing session statistics.");
goto end;
}
count = lttng_list_channels(handle, &channels);
for (channel_idx = 0; channel_idx < count; channel_idx++) {
int ret;
- uint64_t discarded = 0, lost = 0;
+ uint64_t discarded_events = 0, lost_packets = 0;
struct lttng_channel *channel = &channels[channel_idx];
ret = lttng_channel_get_discarded_event_count(channel,
- &discarded);
+ &discarded_events);
if (ret) {
ERR("Failed to retrieve discarded event count from channel %s",
channel->name);
}
ret = lttng_channel_get_lost_packet_count(channel,
- &lost);
+ &lost_packets);
if (ret) {
ERR("Failed to retrieve lost packet count from channel %s",
channel->name);
}
- discarded_total += discarded;
- lost_total += lost;
+ discarded_events_total += discarded_events;
+ lost_packets_total += lost_packets;
}
lttng_destroy_handle(handle);
}
- if (discarded_total > 0) {
+ if (discarded_events_total > 0 && !selected_session->snapshot_mode) {
MSG("[warning] %" PRIu64 " events discarded, please refer to "
"the documentation on channel configuration.",
- discarded_total);
+ discarded_events_total);
}
- if (lost_total > 0) {
+ if (lost_packets_total > 0 && !selected_session->snapshot_mode) {
MSG("[warning] %" PRIu64 " packets lost, please refer to "
"the documentation on channel configuration.",
- lost_total);
+ lost_packets_total);
}
end:
- return;
+ free(sessions);
}
-int show_cmd_man_page(const char *cmd_name)
+int show_cmd_help(const char *cmd_name, const char *help_msg)
{
int ret;
char page_name[32];
ret = sprintf(page_name, "lttng-%s", cmd_name);
assert(ret > 0 && ret < 32);
+ ret = utils_show_help(1, page_name, help_msg);
+ if (ret && !help_msg) {
+ ERR("Cannot view man page `lttng-%s(1)`", cmd_name);
+ perror("exec");
+ }
- return utils_show_man_page(1, page_name);
+ return ret;
}