fully working
authorJulien Desfossez <jdesfossez@efficios.com>
Fri, 17 Aug 2012 03:35:00 +0000 (23:35 -0400)
committerJulien Desfossez <jdesfossez@efficios.com>
Sat, 19 Oct 2013 16:02:38 +0000 (12:02 -0400)
Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
src/lttngtop.c

index 9ac8d39..892cfd0 100644 (file)
@@ -138,7 +138,6 @@ enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_dat
        struct tm start;
        uint64_t ts_nsec_start;
 
-
        timestamp = bt_ctf_get_timestamp(call_data);
 
        start = format_timestamp(timestamp);
@@ -343,7 +342,6 @@ void init_lttngtop()
        copies = g_ptr_array_new();
        global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal);
 
-
        sem_init(&goodtodisplay, 0, 0);
        sem_init(&goodtoupdate, 0, 1);
        sem_init(&timer, 0, 1);
@@ -766,34 +764,33 @@ end:
        return ret;
 }
 
-void *live_consume()
+void live_consume(struct bt_context **bt_ctx)
 {
-       struct bt_context *bt_ctx = NULL;
        int ret;
 
        if (!metadata_ready) {
                sem_wait(&metadata_available);
-               if (access("/tmp/livesession/metadata", F_OK) != 0) {
+               if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) {
                        fprintf(stderr,"no metadata\n");
-                       return NULL;
+                       goto end;
                }
                metadata_ready = 1;
-               metadata_fp = fopen("/tmp/livesession/metadata", "r");
+               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",
+               *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;
+                       goto end;
                }
                trace_opened = 1;
        }
-       iter_trace(bt_ctx);
 
-       return NULL;
+end:
+       return;
 }
 
 int setup_consumer(char *command_sock_path, pthread_t *threads,
@@ -856,7 +853,7 @@ void *setup_live_tracing()
        /* setup the session */
        dom.type = LTTNG_DOMAIN_KERNEL;
 
-       ret = system("rm -rf /tmp/livesession");
+       ret = unlink("/tmp/livesession");
 
        lttng_destroy_session("test");
        if ((ret = lttng_create_session("test", "/tmp/livesession")) < 0) {
@@ -952,9 +949,13 @@ int main(int argc, char **argv)
                        pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL);
                        pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL);
                }
-               live_consume();
+               live_consume(&bt_ctx);
+               iter_trace(bt_ctx);
+
+               quit = 1;
+               pthread_join(display_thread, NULL);
+               pthread_join(timer_thread, NULL);
 
-               sleep(2000);
                lttng_stop_tracing("test");
                lttng_destroy_session("test");
 
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