LTTNG_HIDDEN
int mi_lttng_session(struct mi_writer *writer,
struct lttng_session *session, int is_open)
{
int ret;
assert(session);
/* Open sessions element */
ret = mi_lttng_writer_open_element(writer,
config_element_session);
if (ret) {
goto end;
}
/* Name of the session */
ret = mi_lttng_writer_write_element_string(writer,
config_element_name, session->name);
if (ret) {
goto end;
}
/* Path */
ret = mi_lttng_writer_write_element_string(writer,
config_element_path, session->path);
if (ret) {
goto end;
}
/* Enabled ? */
ret = mi_lttng_writer_write_element_bool(writer,
config_element_enabled, session->enabled);
if (ret) {
goto end;
}
/* Snapshot mode */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_snapshot_mode, session->snapshot_mode);
if (ret) {
goto end;
}
/* Live timer interval in usec */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_live_timer_interval,
session->live_timer_interval);
if (ret) {
goto end;
}
if (!is_open) {
/* Closing session element */
ret = mi_lttng_writer_close_element(writer);
}
end:
return ret;
}
LTTNG_HIDDEN
int mi_lttng_snapshot_add_output(struct mi_writer *writer,
const char *current_session_name, const char *n_ptr,
struct lttng_snapshot_output *output)
{
int ret;
/* Open element snapshot */
ret = mi_lttng_writer_open_element(writer,
mi_lttng_element_command_snapshot);
if (ret) {
goto end;
}
/* Snapshot output id */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
mi_lttng_element_id, output->id);
if (ret) {
goto end;
}
/* Snapshot output names */
ret = mi_lttng_writer_write_element_string(writer,
config_element_name, n_ptr);
if (ret) {
goto end;
}
/* Destination of the output (ctrl_url)*/
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_snapshot_ctrl_url, output->ctrl_url);
if (ret) {
goto end;
}
/* Snapshot added for session "current_session_name"*/
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_snapshot_session_name, current_session_name);
if (ret) {
goto end;
}
/* total size of all stream combined */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
mi_lttng_element_snapshot_max_size, output->max_size);
if (ret) {
goto end;
}
/* Close snapshot element */
ret = mi_lttng_writer_close_element(writer);
end:
return ret;
}
LTTNG_HIDDEN
int mi_lttng_snapshot_list_output(struct mi_writer *writer,
struct lttng_snapshot_output *output)
{
int ret;
/* Open element snapshot output */
ret = mi_lttng_writer_open_element(writer,
mi_lttng_element_command_snapshot);
if (ret) {
goto end;
}
/* ID of the snapshot output */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
mi_lttng_element_id, output->id);
if (ret) {
goto end;
}
/* Name of the output */
ret = mi_lttng_writer_write_element_string(writer, config_element_name,
output->name);
if (ret) {
goto end;
}
/* Destination of the output (ctrl_url)*/
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_snapshot_ctrl_url, output->ctrl_url);
if (ret) {
goto end;
}
/* Destination of the output (data_url) */
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_snapshot_data_url, output->data_url);
if (ret) {
goto end;
}
/* total size of all stream combined */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
mi_lttng_element_snapshot_max_size, output->max_size);
if (ret) {
goto end;
}
/* Close snapshot output element */
ret = mi_lttng_writer_close_element(writer);
end:
return ret;
}
LTTNG_HIDDEN
int mi_lttng_event_function_probe(struct mi_writer *writer,
struct lttng_event *event)
{
int ret;
ret = mi_lttng_writer_open_element(writer, config_element_attributes);
if (ret) {
goto end;
}
ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes);
if (ret) {
goto end;
}
if (event->attr.probe.addr != 0) {
/* event probe address */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_address, event->attr.probe.addr);
if (ret) {
goto end;
}
} else {
/* event probe offset */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_offset, event->attr.probe.offset);
if (ret) {
goto end;
}
/* event probe symbol_name */
ret = mi_lttng_writer_write_element_string(writer,
config_element_symbol_name, event->attr.probe.symbol_name);
if (ret) {
goto end;
}
}
/* Close probe_attributes and attributes */
ret = mi_lttng_close_multi_element(writer, 2);
end:
return ret;
}
LTTNG_HIDDEN
int mi_lttng_perf_counter_context(struct mi_writer *writer,
struct lttng_event_perf_counter_ctx *perf_context)
{
int ret;
/* Open perf_counter_context */
ret = mi_lttng_writer_open_element(writer,
mi_lttng_element_perf_counter_context);
if (ret) {
goto end;
}
/* Type */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_type, perf_context->type);
if (ret) {
goto end;
}
/* Config */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_config, perf_context->config);
if (ret) {
goto end;
}
/* Name of the perf counter */
ret = mi_lttng_writer_write_element_string(writer,
config_element_name, perf_context->name);
if (ret) {
goto end;
}
/* Close perf_counter_context */
ret = mi_lttng_writer_close_element(writer);
end:
return ret;
}
LTTNG_HIDDEN
int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id,
const char *name, const char *current_session_name)
{
int ret;
/* Open element del_snapshot */
ret = mi_lttng_writer_open_element(writer,
mi_lttng_element_command_snapshot);
if (ret) {
goto end;
}
if (id != UINT32_MAX) {
/* "Snapshot output "id" successfully deleted
* for "current_session_name"
* ID of the snapshot output
*/
ret = mi_lttng_writer_write_element_unsigned_int(writer,
mi_lttng_element_id, id);
if (ret) {
goto end;
}
} else {
/* "Snapshot output "name" successfully deleted
* for session "current_session_name"
* Name of the output
*/
ret = mi_lttng_writer_write_element_string(writer, config_element_name,
name);
if (ret) {
goto end;
}
}
/* Snapshot was deleted for session "current_session_name"*/
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_snapshot_session_name,
current_session_name);
if (ret) {
goto end;
}
/* Close snapshot element */
ret = mi_lttng_writer_close_element(writer);
end:
return ret;
}
LTTNG_HIDDEN
int mi_lttng_channel_attr(struct mi_writer *writer,
struct lttng_channel_attr *attr)
{
int ret = 0;
struct lttng_channel *chan = caa_container_of(attr,
struct lttng_channel, attr);
uint64_t discarded_events, lost_packets, monitor_timer_interval;
int64_t blocking_timeout;
assert(attr);
ret = lttng_channel_get_discarded_event_count(chan, &discarded_events);
if (ret) {
goto end;
}
ret = lttng_channel_get_lost_packet_count(chan, &lost_packets);
if (ret) {
goto end;
}
ret = lttng_channel_get_monitor_timer_interval(chan,
&monitor_timer_interval);
if (ret) {
goto end;
}
ret = lttng_channel_get_blocking_timeout(chan,
&blocking_timeout);
if (ret) {
goto end;
}
/* Opening Attributes */
ret = mi_lttng_writer_open_element(writer, config_element_attributes);
if (ret) {
goto end;
}
/* Overwrite */
ret = mi_lttng_writer_write_element_string(writer,
config_element_overwrite_mode,
attr->overwrite ? config_overwrite_mode_overwrite :
config_overwrite_mode_discard);
if (ret) {
goto end;
}
/* Sub buffer size in byte */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_subbuf_size, attr->subbuf_size);
if (ret) {
goto end;
}
/* Number of subbuffer (power of two) */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_num_subbuf,
attr->num_subbuf);
if (ret) {
goto end;
}
/* Switch timer interval in usec */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_switch_timer_interval,
attr->switch_timer_interval);
if (ret) {
goto end;
}
/* Read timer interval in usec */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_read_timer_interval,
attr->read_timer_interval);
if (ret) {
goto end;
}
/* Monitor timer interval in usec */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_monitor_timer_interval,
monitor_timer_interval);
if (ret) {
goto end;
}
/* Retry timeout in usec */
ret = mi_lttng_writer_write_element_signed_int(writer,
config_element_blocking_timeout,
blocking_timeout);
if (ret) {
goto end;
}
/* Event output */
ret = mi_lttng_writer_write_element_string(writer,
config_element_output_type,
attr->output == LTTNG_EVENT_SPLICE ?
config_output_type_splice : config_output_type_mmap);
if (ret) {
goto end;
}
/* Tracefile size in bytes */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_tracefile_size, attr->tracefile_size);
if (ret) {
goto end;
}
/* Count of tracefiles */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_tracefile_count,
attr->tracefile_count);
if (ret) {
goto end;
}
/* Live timer interval in usec*/
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_live_timer_interval,
attr->live_timer_interval);
if (ret) {
goto end;
}
/* Discarded events */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_discarded_events,
discarded_events);
if (ret) {
goto end;
}
/* Lost packets */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_lost_packets,
lost_packets);
if (ret) {
goto end;
}
/* Closing attributes */
ret = mi_lttng_writer_close_element(writer);
if (ret) {
goto end;
}
end:
return ret;
}
LTTNG_HIDDEN
int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version,
const char *lttng_description, const char *lttng_license)
{
int ret;
/* Open version */
ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version);
if (ret) {
goto end;
}
/* Version string (contain info like rc etc.) */
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_version_str, version->version);
if (ret) {
goto end;
}
/* Major version number */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
mi_lttng_element_version_major, version->version_major);
if (ret) {
goto end;
}
/* Minor version number */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
mi_lttng_element_version_minor, version->version_minor);
if (ret) {
goto end;
}
/* Commit version number */
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_version_commit, version->version_commit);
if (ret) {
goto end;
}
/* Patch number */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
mi_lttng_element_version_patch_level, version->version_patchlevel);
if (ret) {
goto end;
}
/* Name of the version */
ret = mi_lttng_writer_write_element_string(writer,
config_element_name, version->version_name);
if (ret) {
goto end;
}
/* Description mostly related to beer... */
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_version_description, lttng_description);
if (ret) {
goto end;
}
/* url */
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_version_web, version->package_url);
if (ret) {
goto end;
}
/* License: free as in free beer...no...*speech* */
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_version_license, lttng_license);
if (ret) {
goto end;
}
/* Close version element */
ret = mi_lttng_writer_close_element(writer);
end:
return ret;
}
LTTNG_HIDDEN
int mi_lttng_channel_attr(struct mi_writer *writer,
struct lttng_channel_attr *attr)
{
int ret = 0;
assert(attr);
/* Opening Attributes */
ret = mi_lttng_writer_open_element(writer, config_element_attributes);
if (ret) {
goto end;
}
/* Overwrite */
ret = mi_lttng_writer_write_element_string(writer,
config_element_overwrite_mode,
attr->overwrite ? config_overwrite_mode_overwrite :
config_overwrite_mode_discard);
if (ret) {
goto end;
}
/* Sub buffer size in byte */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_subbuf_size, attr->subbuf_size);
if (ret) {
goto end;
}
/* Number of subbuffer (power of two) */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_num_subbuf,
attr->num_subbuf);
if (ret) {
goto end;
}
/* Switch timer interval in usec */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_switch_timer_interval,
attr->switch_timer_interval);
if (ret) {
goto end;
}
/* Read timer interval in usec */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_read_timer_interval,
attr->read_timer_interval);
if (ret) {
goto end;
}
/* Event output */
ret = mi_lttng_writer_write_element_string(writer,
config_element_output_type,
attr->output == LTTNG_EVENT_SPLICE ?
config_output_type_splice : config_output_type_mmap);
if (ret) {
goto end;
}
/* Tracefile size in bytes */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_tracefile_size, attr->tracefile_size);
if (ret) {
goto end;
}
/* Count of tracefiles */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_tracefile_count,
attr->tracefile_count);
if (ret) {
goto end;
}
/* Live timer interval in usec*/
ret = mi_lttng_writer_write_element_unsigned_int(writer,
config_element_live_timer_interval,
attr->live_timer_interval);
if (ret) {
goto end;
}
/* Closing attributes */
ret = mi_lttng_writer_close_element(writer);
if (ret) {
goto end;
}
end:
return ret;
}
