#include <sys/mman.h>
#include <lttng/lttng.h>
#include <lttng/lttngtop-helper.h>
+#include <babeltrace/lttngtopmmappacketseek.h>
#include "lttngtoptypes.h"
#include "cputop.h"
struct lttngtop *copy;
pthread_t display_thread;
pthread_t timer_thread;
+pthread_t live_trace_thread;
unsigned long refresh_display = 1 * NSEC_PER_SEC;
unsigned long last_display_update = 0;
int quit = 0;
/* LIVE */
+pthread_t thread_live_consume;
/* list of FDs available for being read with snapshots */
struct mmap_stream_list mmap_list;
GPtrArray *lttng_consumer_stream_array;
FILE *metadata_fp;
int trace_opened = 0;
int metadata_ready = 0;
-void ctf_move_mmap_pos_slow(struct ctf_stream_pos *pos, size_t offset, int whence);
enum {
OPT_NONE = 0,
{
unsigned long timestamp;
- timestamp = bt_ctf_get_real_timestamp(call_data);
+ timestamp = bt_ctf_get_timestamp(call_data);
if (timestamp == -1ULL)
goto error;
struct processtop *parent, *child;
unsigned long timestamp;
- timestamp = bt_ctf_get_real_timestamp(call_data);
+ timestamp = bt_ctf_get_timestamp(call_data);
if (timestamp == -1ULL)
goto error;
void dump_snapshot()
{
+#if 0
struct lttng_consumer_stream *iter;
unsigned long spos;
struct mmap_stream *new_snapshot;
end:
return;
+#endif
}
ssize_t read_subbuffer(struct lttng_consumer_stream *kconsumerd_fd,
}
g_ptr_array_add(lttng_consumer_stream_array, kconsumerd_fd);
- ret = 1;
+ ret = 0;
} else {
consumerd_metadata = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd);
sessiond_metadata = helper_get_lttng_consumer_stream_key(kconsumerd_fd);
int ret;
while (1) {
- dump_snapshot();
- /*
+// 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;
+ }
+ metadata_ready = 1;
+ metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r");
+ }
+
if (!trace_opened) {
bt_ctx = bt_context_create();
- ret = bt_context_add_trace(ctx, NULL, "ctf",
- ctf_move_mmap_pos_slow, mmap_list, metadata_fp);
+ ret = bt_context_add_trace(bt_ctx, NULL, "ctf",
+ lttngtop_ctf_packet_seek, &mmap_list, metadata_fp);
trace_opened = 1;
}
- */
- //iter_trace(bt_ctx);
+ iter_trace(bt_ctx);
sleep(1);
}
}
ret = pthread_create(&threads[0], NULL, helper_lttng_consumer_thread_receive_fds,
(void *) ctx);
if (ret != 0) {
- perror("pthread_create");
- goto end;
- }
- /* Create thread to manage the polling/writing of traces */
- ret = pthread_create(&threads[1], NULL, helper_lttng_consumer_thread_poll_fds,
- (void *) ctx);
- if (ret != 0) {
- perror("pthread_create");
+ perror("pthread_create receive fd");
goto end;
}
-
/* Create thread to manage the polling/writing of traces */
ret = pthread_create(&threads[1], NULL, helper_lttng_consumer_thread_poll_fds,
(void *) ctx);
if (ret != 0) {
- perror("pthread_create");
+ perror("pthread_create poll fd");
goto end;
}
return ret;
}
-int setup_live_tracing()
+void *setup_live_tracing()
{
struct lttng_domain dom;
struct lttng_channel chan;
struct lttng_event_context kctxpid, kctxcomm, kctxppid, kctxtid;
struct lttng_handle *handle;
- pthread_t live_trace_thread;
BT_INIT_LIST_HEAD(&mmap_list.head);
}
strcpy(chan.name, channel_name);
- chan.attr.overwrite = 1;
-// chan.attr.subbuf_size = 32768;
- chan.attr.subbuf_size = 1048576; /* 1MB */
+ chan.attr.overwrite = 0;
+ chan.attr.subbuf_size = 32768;
+// chan.attr.subbuf_size = 1048576; /* 1MB */
chan.attr.num_subbuf = 4;
chan.attr.switch_timer_interval = 0;
chan.attr.read_timer_interval = 200;
helper_kernctl_buffer_flush(consumerd_metadata);
/* Create thread to manage the polling/writing of traces */
- ret = pthread_create(&live_trace_thread, NULL, live_consume, NULL);
+ ret = pthread_create(&thread_live_consume, NULL, live_consume, NULL);
if (ret != 0) {
perror("pthread_create");
goto end;
}
- sleep(10);
- pthread_cancel(live_trace_thread);
-
- lttng_stop_tracing("test");
- lttng_destroy_session("test");
+// 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");
- setup_live_tracing();
+ pthread_create(&live_trace_thread, NULL, setup_live_tracing, (void *) NULL);
+ sleep(20);
+ printf("STOPPING\n");
+ lttng_stop_tracing("test");
+ printf("DESTROYING\n");
+ lttng_destroy_session("test");
+
+ printf("CANCELLING\n");
+ pthread_cancel(live_trace_thread);
goto end;
} else {
init_lttngtop();