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Support flight recorder mode for a session
[lttng-tools.git]
/
src
/
common
/
kernel-consumer
/
kernel-consumer.c
diff --git
a/src/common/kernel-consumer/kernel-consumer.c
b/src/common/kernel-consumer/kernel-consumer.c
index 11830fc05a087f4f601a3156560ac5b7a6735365..86428f0663141fa250905e269d7ceea22c5cb43d 100644
(file)
--- a/
src/common/kernel-consumer/kernel-consumer.c
+++ b/
src/common/kernel-consumer/kernel-consumer.c
@@
-144,7
+144,8
@@
int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
msg.u.channel.name, msg.u.channel.uid, msg.u.channel.gid,
msg.u.channel.relayd_id, msg.u.channel.output,
msg.u.channel.tracefile_size,
msg.u.channel.name, msg.u.channel.uid, msg.u.channel.gid,
msg.u.channel.relayd_id, msg.u.channel.output,
msg.u.channel.tracefile_size,
- msg.u.channel.tracefile_count);
+ msg.u.channel.tracefile_count,
+ msg.u.channel.monitor);
if (new_channel == NULL) {
lttng_consumer_send_error(ctx, LTTCOMM_CONSUMERD_OUTFD_ERROR);
goto end_nosignal;
if (new_channel == NULL) {
lttng_consumer_send_error(ctx, LTTCOMM_CONSUMERD_OUTFD_ERROR);
goto end_nosignal;
@@
-317,6
+318,14
@@
int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
}
}
}
}
+ /* Do not monitor this stream. */
+ if (!channel->monitor) {
+ DBG("Kernel consumer add stream %s in no monitor mode with"
+ "relayd id %" PRIu64, new_stream->name,
+ new_stream->relayd_stream_id);
+ break;
+ }
+
/* Get the right pipe where the stream will be sent. */
if (new_stream->metadata_flag) {
stream_pipe = ctx->consumer_metadata_pipe;
/* Get the right pipe where the stream will be sent. */
if (new_stream->metadata_flag) {
stream_pipe = ctx->consumer_metadata_pipe;
@@
-400,6
+409,15
@@
int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
*/
break;
}
*/
break;
}
+ case LTTNG_CONSUMER_SNAPSHOT_CHANNEL:
+ {
+ ret = consumer_send_status_msg(sock, ret_code);
+ if (ret < 0) {
+ /* Somehow, the session daemon is not responding anymore. */
+ goto end_nosignal;
+ }
+ break;
+ }
default:
goto end_nosignal;
}
default:
goto end_nosignal;
}
@@
-545,8
+563,11
@@
int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream)
assert(stream);
assert(stream);
- /* Don't create anything if this is set for streaming. */
- if (stream->net_seq_idx == (uint64_t) -1ULL) {
+ /*
+ * Don't create anything if this is set for streaming or should not be
+ * monitored.
+ */
+ if (stream->net_seq_idx == (uint64_t) -1ULL && stream->chan->monitor) {
ret = utils_create_stream_file(stream->chan->pathname, stream->name,
stream->chan->tracefile_size, stream->tracefile_count_current,
stream->uid, stream->gid);
ret = utils_create_stream_file(stream->chan->pathname, stream->name,
stream->chan->tracefile_size, stream->tracefile_count_current,
stream->uid, stream->gid);
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