LTTNG_HIDDEN
int mi_lttng_event_common_attributes(struct mi_writer *writer,
struct lttng_event *event)
{
int ret;
const char *filter_expression;
/* Open event element */
ret = mi_lttng_writer_open_element(writer, config_element_event);
if (ret) {
goto end;
}
/* Event name */
ret = mi_lttng_writer_write_element_string(writer,
config_element_name, event->name);
if (ret) {
goto end;
}
/* Event type */
ret = mi_lttng_writer_write_element_string(writer,
config_element_type, mi_lttng_eventtype_string(event->type));
if (ret) {
goto end;
}
/* Is event enabled */
ret = mi_lttng_writer_write_element_bool(writer,
config_element_enabled, event->enabled);
if (ret) {
goto end;
}
/* Event filter expression */
ret = lttng_event_get_filter_expression(event, &filter_expression);
if (ret) {
goto end;
}
if (filter_expression) {
ret = mi_lttng_writer_write_element_string(writer,
config_element_filter_expression,
filter_expression);
if (ret) {
goto end;
}
}
end:
return ret;
}
/*
* Pretty print single event.
*/
static void print_events(struct lttng_event *event)
{
int ret;
const char *filter_str;
char *filter_msg = NULL;
char *exclusion_msg = NULL;
ret = lttng_event_get_filter_expression(event, &filter_str);
if (ret) {
filter_msg = strdup(" [failed to retrieve filter]");
} else if (filter_str) {
const char * const filter_fmt = " [filter: '%s']";
filter_msg = malloc(strlen(filter_str) +
strlen(filter_fmt) + 1);
if (filter_msg) {
sprintf(filter_msg, filter_fmt,
filter_str);
}
}
exclusion_msg = get_exclusion_names_msg(event);
if (!exclusion_msg) {
exclusion_msg = strdup(" [failed to retrieve exclusions]");
}
switch (event->type) {
case LTTNG_EVENT_TRACEPOINT:
{
if (event->loglevel != -1) {
MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s",
indent6,
event->name,
logleveltype_string(event->loglevel_type),
mi_lttng_loglevel_string(event->loglevel, handle->domain.type),
event->loglevel,
enabled_string(event->enabled),
safe_string(exclusion_msg),
safe_string(filter_msg));
} else {
MSG("%s%s (type: tracepoint)%s%s%s",
indent6,
event->name,
enabled_string(event->enabled),
safe_string(exclusion_msg),
safe_string(filter_msg));
}
break;
}
case LTTNG_EVENT_FUNCTION:
MSG("%s%s (type: function)%s%s", indent6,
event->name, enabled_string(event->enabled),
safe_string(filter_msg));
if (event->attr.probe.addr != 0) {
MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr);
} else {
MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset);
MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name);
}
break;
case LTTNG_EVENT_PROBE:
MSG("%s%s (type: probe)%s%s", indent6,
event->name, enabled_string(event->enabled),
safe_string(filter_msg));
if (event->attr.probe.addr != 0) {
MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr);
} else {
MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset);
MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name);
}
break;
case LTTNG_EVENT_FUNCTION_ENTRY:
MSG("%s%s (type: function)%s%s", indent6,
event->name, enabled_string(event->enabled),
safe_string(filter_msg));
MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name);
break;
case LTTNG_EVENT_SYSCALL:
MSG("%s%s%s%s%s%s", indent6, event->name,
(opt_syscall ? "" : " (type:syscall)"),
enabled_string(event->enabled),
bitness_event(event->flags),
safe_string(filter_msg));
break;
case LTTNG_EVENT_NOOP:
MSG("%s (type: noop)%s%s", indent6,
enabled_string(event->enabled),
safe_string(filter_msg));
break;
case LTTNG_EVENT_ALL:
/* We should never have "all" events in list. */
assert(0);
break;
}
free(filter_msg);
free(exclusion_msg);
}
/*
* List agent events for a specific session using the handle.
*
* Return CMD_SUCCESS on success else a negative value.
*/
static int list_session_agent_events(void)
{
int ret = CMD_SUCCESS, count, i;
struct lttng_event *events = NULL;
count = lttng_list_events(handle, "", &events);
if (count < 0) {
ret = CMD_ERROR;
ERR("%s", lttng_strerror(count));
goto error;
}
if (lttng_opt_mi) {
/* Mi print */
ret = mi_list_session_agent_events(events, count);
if (ret) {
ret = CMD_ERROR;
goto end;
}
} else {
/* Pretty print */
MSG("Events (Logger name):\n---------------------");
if (count == 0) {
MSG("%sNone\n", indent6);
goto end;
}
for (i = 0; i < count; i++) {
const char *filter_str;
char *filter_msg = NULL;
struct lttng_event *event = &events[i];
ret = lttng_event_get_filter_expression(event,
&filter_str);
if (ret) {
filter_msg = strdup(" [failed to retrieve filter]");
} else if (filter_str) {
const char * const filter_fmt =
" [filter: '%s']";
filter_msg = malloc(strlen(filter_str) +
strlen(filter_fmt) + 1);
if (filter_msg) {
sprintf(filter_msg, filter_fmt,
filter_str);
}
}
if (event->loglevel_type !=
LTTNG_EVENT_LOGLEVEL_ALL) {
MSG("%s- %s%s (loglevel%s %s)%s", indent4,
event->name,
enabled_string(event->enabled),
logleveltype_string(
event->loglevel_type),
mi_lttng_loglevel_string(
event->loglevel,
handle->domain.type),
safe_string(filter_msg));
} else {
MSG("%s- %s%s%s", indent4, event->name,
enabled_string(event->enabled),
safe_string(filter_msg));
}
free(filter_msg);
}
MSG("");
}
end:
free(events);
error:
return ret;
}
