}
}
-/* FIXME : TMP */
-struct tm ts_format_timestamp(uint64_t timestamp)
-{
- struct tm tm;
- uint64_t ts_sec = 0, ts_nsec;
- time_t time_s;
-
- ts_nsec = timestamp;
- ts_sec += ts_nsec / NSEC_PER_SEC;
- ts_nsec = ts_nsec % NSEC_PER_SEC;
-
- time_s = (time_t) ts_sec;
-
- localtime_r(&time_s, &tm);
-
- return tm;
-}
-
/*
* hook on each event to check the timestamp and refresh the display if
* necessary
{
unsigned long timestamp;
struct tm start;
- uint64_t ts_nsec_start, ts_nsec_end;
+ uint64_t ts_nsec_start;
timestamp = bt_ctf_get_timestamp(call_data);
- start = ts_format_timestamp(timestamp);
+ start = format_timestamp(timestamp);
ts_nsec_start = timestamp % NSEC_PER_SEC;
-// printf("%02d:%02d:%02d.%09" PRIu64 "\n", start.tm_hour, start.tm_min, start.tm_sec, ts_nsec_start);
+ printf("%02d:%02d:%02d.%09" PRIu64 " %s\n", start.tm_hour,
+ start.tm_min, start.tm_sec, ts_nsec_start,
+ bt_ctf_event_name(call_data));
return BT_CB_OK;
}
return ret;
}
-void dump_snapshot()
-{
-#if 0
- struct lttng_consumer_stream *iter;
- unsigned long spos;
- struct mmap_stream *new_snapshot;
-
- int ret = 0;
- int i;
- /*
- * try lock mutex ressource courante (overrun)
- * if fail : overrun
- * stop trace (flush implicite avant stop)
- * lttng_consumer_take_snapshot
- * read timestamp packet end (use time as end pos)
- * - stream_packet_context
- * - reculer de 1 subbuf : pos - max_subbuff_size
- *
- * - position de fin (take_snapshot)
- * - mov_pos_slow ( fin - max_subbuff_size) lire timestamp packet end
- * - prend min(end) (activité sur tous les streams)
- *
- * start trace
- * unlock mutex
- */
-
- helper_kernctl_buffer_flush(consumerd_metadata);
- for (i = 0; i < lttng_consumer_stream_array->len; i++) {
- iter = g_ptr_array_index(lttng_consumer_stream_array, i);
- helper_kernctl_buffer_flush(helper_get_lttng_consumer_stream_wait_fd(iter));
- printf("Taking snapshot of fd : %d\n", helper_get_lttng_consumer_stream_wait_fd(iter));
- ret = helper_lttng_consumer_take_snapshot(ctx, iter);
- if (ret != 0) {
- ret = errno;
- perror("lttng_consumer_take_snapshots");
- goto end;
- }
- }
- for (i = 0; i < lttng_consumer_stream_array->len; i++) {
- iter = g_ptr_array_index(lttng_consumer_stream_array, i);
- ret = helper_lttng_consumer_get_produced_snapshot(ctx, iter, &spos);
- if (ret != 0) {
- ret = errno;
- perror("helper_lttng_consumer_get_produced_snapshot");
- goto end;
- }
- while (helper_get_lttng_consumer_stream_wait_last_pos(iter) < spos) {
- new_snapshot = g_new0(struct mmap_stream, 1);
- new_snapshot->fd = helper_get_lttng_consumer_stream_wait_fd(iter);
- new_snapshot->last_pos = helper_get_lttng_consumer_stream_wait_last_pos(iter);
- fprintf(stderr,"ADDING AVAILABLE SNAPSHOT ON FD %d AT POSITION %lu\n",
- new_snapshot->fd,
- new_snapshot->last_pos);
- g_ptr_array_add(available_snapshots, new_snapshot);
- helper_set_lttng_consumer_stream_wait_last_pos(iter,
- helper_get_lttng_consumer_stream_wait_last_pos(iter) +
- helper_get_lttng_consumer_stream_chan_max_sb_size(iter));
- }
- }
-
- if (!metadata_ready) {
- fprintf(stderr, "BLOCKING BEFORE METADATA\n");
- sem_wait(&metadata_available);
- fprintf(stderr,"OPENING TRACE\n");
- if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) {
- fprintf(stderr,"NO METADATA FILE, SKIPPING\n");
- return;
- }
- metadata_ready = 1;
- metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r");
- }
-
-
-end:
- return;
-#endif
-}
-
ssize_t read_subbuffer(struct lttng_consumer_stream *kconsumerd_fd,
struct lttng_consumer_local_data *ctx)
{
if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_SPLICE) {
/* Get the next subbuffer */
- printf("get_next : %d\n", infd);
err = helper_kernctl_get_next_subbuf(infd);
if (err != 0) {
ret = errno;
perror("Getting sub-buffer len failed.");
goto end;
}
- printf("len : %ld\n", len);
/* splice the subbuffer to the tracefile */
ret = helper_lttng_consumer_on_read_subbuffer_splice(ctx, kconsumerd_fd, len);
*/
fprintf(stderr,"Error splicing to tracefile\n");
}
- printf("ret : %ld\n", ret);
- printf("put_next : %d\n", infd);
err = helper_kernctl_put_next_subbuf(infd);
if (err != 0) {
ret = errno;
int on_recv_fd(struct lttng_consumer_stream *kconsumerd_fd)
{
int ret;
- struct mmap_stream *new_info;
- size_t tmp_mmap_len;
+ struct mmap_stream *new_mmap_stream;
/* Opening the tracefile in write mode */
if (helper_get_lttng_consumer_stream_path_name(kconsumerd_fd) != NULL) {
}
if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_MMAP) {
- new_info = malloc(sizeof(struct mmap_stream));
- new_info->fd = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd);
- bt_list_add(&new_info->list, &mmap_list.head);
-
- /* get the len of the mmap region */
- ret = helper_kernctl_get_mmap_len(helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd),
- &tmp_mmap_len);
- if (ret != 0) {
- ret = errno;
- perror("helper_kernctl_get_mmap_len");
- goto end;
- }
- helper_set_lttng_consumer_stream_mmap_len(kconsumerd_fd, tmp_mmap_len);
-
- helper_set_lttng_consumer_stream_mmap_base(kconsumerd_fd,
- mmap(NULL, helper_get_lttng_consumer_stream_mmap_len(kconsumerd_fd),
- PROT_READ, MAP_PRIVATE, helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd), 0));
- if (helper_get_lttng_consumer_stream_mmap_base(kconsumerd_fd) == MAP_FAILED) {
- perror("Error mmaping");
- ret = -1;
- goto end;
- }
+ new_mmap_stream = malloc(sizeof(struct mmap_stream));
+ new_mmap_stream->fd = helper_get_lttng_consumer_stream_wait_fd(
+ kconsumerd_fd);
+ bt_list_add(&new_mmap_stream->list, &mmap_list.head);
g_ptr_array_add(lttng_consumer_stream_array, kconsumerd_fd);
/* keep mmap FDs internally */
struct bt_context *bt_ctx = NULL;
int ret;
- while (1) {
-// dump_snapshot();
-
- if (!metadata_ready) {
- fprintf(stderr, "BLOCKING BEFORE METADATA\n");
- sem_wait(&metadata_available);
- fprintf(stderr,"OPENING TRACE\n");
- if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) {
- fprintf(stderr,"NO METADATA FILE, SKIPPING\n");
- return NULL;
- }
- metadata_ready = 1;
- metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r");
+ if (!metadata_ready) {
+ sem_wait(&metadata_available);
+ if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) {
+ fprintf(stderr,"no metadata\n");
+ return NULL;
}
+ metadata_ready = 1;
+ metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r");
+ }
- if (!trace_opened) {
- bt_ctx = bt_context_create();
- ret = bt_context_add_trace(bt_ctx, NULL, "ctf",
- lttngtop_ctf_packet_seek, &mmap_list, metadata_fp);
- if (ret < 0) {
- printf("Error adding trace\n");
- return NULL;
- }
- trace_opened = 1;
+ if (!trace_opened) {
+ bt_ctx = bt_context_create();
+ ret = bt_context_add_trace(bt_ctx, NULL, "ctf",
+ lttngtop_ctf_packet_seek, &mmap_list, metadata_fp);
+ if (ret < 0) {
+ printf("Error adding trace\n");
+ return NULL;
}
- iter_trace(bt_ctx);
- sleep(1);
+ trace_opened = 1;
}
+ iter_trace(bt_ctx);
+
+ return NULL;
}
int setup_consumer(char *command_sock_path, pthread_t *threads,
ret = system("rm -rf /tmp/livesession");
+ lttng_destroy_session("test");
if ((ret = lttng_create_session("test", "/tmp/livesession")) < 0) {
fprintf(stderr,"error creating the session : %s\n",
helper_lttcomm_get_readable_code(ret));
chan.attr.output = LTTNG_EVENT_MMAP;
if ((ret = lttng_enable_channel(handle, &chan)) < 0) {
- fprintf(stderr,"error creating channel : %s\n", helper_lttcomm_get_readable_code(ret));
+ fprintf(stderr,"error creating channel : %s\n",
+ helper_lttcomm_get_readable_code(ret));
goto end;
}
- sprintf(ev.name, "sched_switch");
+ memset(&ev, '\0', sizeof(struct lttng_event));
+ //sprintf(ev.name, "sched_switch");
ev.type = LTTNG_EVENT_TRACEPOINT;
- //if ((ret = lttng_enable_event(handle, NULL, channel_name)) < 0) {
if ((ret = lttng_enable_event(handle, &ev, channel_name)) < 0) {
- fprintf(stderr,"error enabling event : %s\n", helper_lttcomm_get_readable_code(ret));
+ fprintf(stderr,"error enabling event : %s\n",
+ helper_lttcomm_get_readable_code(ret));
goto end;
}
lttng_add_context(handle, &kctxtid, NULL, NULL);
if ((ret = lttng_start_tracing("test")) < 0) {
- fprintf(stderr,"error starting tracing : %s\n", helper_lttcomm_get_readable_code(ret));
+ fprintf(stderr,"error starting tracing : %s\n",
+ helper_lttcomm_get_readable_code(ret));
goto end;
}
goto end;
}
-// pthread_cancel(live_trace_thread);
-
/* block until metadata is ready */
sem_init(&metadata_available, 0, 0);
}
if (!opt_input_path) {
- printf("live tracing enabled\n");
pthread_create(&live_trace_thread, NULL, setup_live_tracing, (void *) NULL);
- sleep(20);
+ sleep(2000);
printf("STOPPING\n");
lttng_stop_tracing("test");
printf("DESTROYING\n");
projects / lttngtop.git / blobdiff