X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.c;h=b25fda3e8f3f264229c1164b5a01b0a29f558535;hb=d7599880d4fc4348bc9dc824b25d0fc109f247f3;hp=606b9d9f64ee0324a301a270f35ebcd74fe4aa24;hpb=ea10597e54150d570125fe5130db88d059f6392e;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c index 606b9d9f6..b25fda3e8 100644 --- a/src/bin/lttng-sessiond/cmd.c +++ b/src/bin/lttng-sessiond/cmd.c @@ -3201,135 +3201,93 @@ int cmd_snapshot_record(struct ltt_session *session, use_tmp_output = 1; } - if (session->kernel_session) { - struct ltt_kernel_session *ksess = session->kernel_session; + if (use_tmp_output) { + int64_t nb_packets_per_stream; - if (use_tmp_output) { - int64_t nb_packets_per_stream; + nb_packets_per_stream = get_session_nb_packets_per_stream(session, + tmp_output.max_size); + if (nb_packets_per_stream < 0) { + ret = LTTNG_ERR_MAX_SIZE_INVALID; + goto error; + } - nb_packets_per_stream = get_session_nb_packets_per_stream(session, - tmp_output.max_size); - if (nb_packets_per_stream < 0) { - ret = LTTNG_ERR_MAX_SIZE_INVALID; + if (session->kernel_session) { + ret = record_kernel_snapshot(session->kernel_session, + &tmp_output, session, + wait, nb_packets_per_stream); + if (ret != LTTNG_OK) { goto error; } - ret = record_kernel_snapshot(ksess, &tmp_output, session, + } + + if (session->ust_session) { + ret = record_ust_snapshot(session->ust_session, + &tmp_output, session, wait, nb_packets_per_stream); if (ret != LTTNG_OK) { goto error; } - snapshot_success = 1; - } else { - struct snapshot_output *sout; - struct lttng_ht_iter iter; - - rcu_read_lock(); - cds_lfht_for_each_entry(session->snapshot.output_ht->ht, - &iter.iter, sout, node.node) { - int64_t nb_packets_per_stream; - - /* - * Make a local copy of the output and assign the possible - * temporary value given by the caller. - */ - memset(&tmp_output, 0, sizeof(tmp_output)); - memcpy(&tmp_output, sout, sizeof(tmp_output)); - - if (output->max_size != (uint64_t) -1ULL) { - tmp_output.max_size = output->max_size; - } + } - nb_packets_per_stream = get_session_nb_packets_per_stream(session, - tmp_output.max_size); - if (nb_packets_per_stream < 0) { - ret = LTTNG_ERR_MAX_SIZE_INVALID; - goto error; - } + snapshot_success = 1; + } else { + struct snapshot_output *sout; + struct lttng_ht_iter iter; - /* Use temporary name. */ - if (*output->name != '\0') { - strncpy(tmp_output.name, output->name, - sizeof(tmp_output.name)); - } + rcu_read_lock(); + cds_lfht_for_each_entry(session->snapshot.output_ht->ht, + &iter.iter, sout, node.node) { + int64_t nb_packets_per_stream; - tmp_output.nb_snapshot = session->snapshot.nb_snapshot; + /* + * Make a local copy of the output and assign the possible + * temporary value given by the caller. + */ + memset(&tmp_output, 0, sizeof(tmp_output)); + memcpy(&tmp_output, sout, sizeof(tmp_output)); - ret = record_kernel_snapshot(ksess, &tmp_output, - session, wait, nb_packets_per_stream); - if (ret != LTTNG_OK) { - rcu_read_unlock(); - goto error; - } - snapshot_success = 1; + if (output->max_size != (uint64_t) -1ULL) { + tmp_output.max_size = output->max_size; } - rcu_read_unlock(); - } - } - - if (session->ust_session) { - struct ltt_ust_session *usess = session->ust_session; - - if (use_tmp_output) { - int64_t nb_packets_per_stream; nb_packets_per_stream = get_session_nb_packets_per_stream(session, tmp_output.max_size); if (nb_packets_per_stream < 0) { ret = LTTNG_ERR_MAX_SIZE_INVALID; + rcu_read_unlock(); goto error; } - ret = record_ust_snapshot(usess, &tmp_output, session, - wait, nb_packets_per_stream); - if (ret != LTTNG_OK) { - goto error; - } - snapshot_success = 1; - } else { - struct snapshot_output *sout; - struct lttng_ht_iter iter; - rcu_read_lock(); - cds_lfht_for_each_entry(session->snapshot.output_ht->ht, - &iter.iter, sout, node.node) { - int64_t nb_packets_per_stream; - - /* - * Make a local copy of the output and assign the possible - * temporary value given by the caller. - */ - memset(&tmp_output, 0, sizeof(tmp_output)); - memcpy(&tmp_output, sout, sizeof(tmp_output)); + /* Use temporary name. */ + if (*output->name != '\0') { + strncpy(tmp_output.name, output->name, + sizeof(tmp_output.name)); + } - if (output->max_size != (uint64_t) -1ULL) { - tmp_output.max_size = output->max_size; - } + tmp_output.nb_snapshot = session->snapshot.nb_snapshot; - nb_packets_per_stream = get_session_nb_packets_per_stream(session, - tmp_output.max_size); - if (nb_packets_per_stream < 0) { - ret = LTTNG_ERR_MAX_SIZE_INVALID; + if (session->kernel_session) { + ret = record_kernel_snapshot(session->kernel_session, + &tmp_output, session, + wait, nb_packets_per_stream); + if (ret != LTTNG_OK) { rcu_read_unlock(); goto error; } + } - /* Use temporary name. */ - if (*output->name != '\0') { - strncpy(tmp_output.name, output->name, - sizeof(tmp_output.name)); - } - - tmp_output.nb_snapshot = session->snapshot.nb_snapshot; - - ret = record_ust_snapshot(usess, &tmp_output, session, + if (session->ust_session) { + ret = record_ust_snapshot(session->ust_session, + &tmp_output, session, wait, nb_packets_per_stream); if (ret != LTTNG_OK) { rcu_read_unlock(); goto error; } - snapshot_success = 1; } - rcu_read_unlock(); + snapshot_success = 1; } + rcu_read_unlock(); } if (snapshot_success) {