we can now read subbuff in mmap and print timestamps
authorJulien Desfossez <jdesfossez@efficios.com>
Tue, 14 Aug 2012 14:45:50 +0000 (10:45 -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 6f4fd33..bae4fad 100644 (file)
@@ -132,6 +132,45 @@ void *ncurses_display(void *p)
        }
 }
 
+/* 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
+ */
+enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_data)
+{
+       unsigned long timestamp;
+       struct tm start;
+       uint64_t ts_nsec_start, ts_nsec_end;
+
+
+       timestamp = bt_ctf_get_timestamp(call_data);
+
+       start = ts_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);
+
+       return BT_CB_OK;
+}
+
 /*
  * hook on each event to check the timestamp and refresh the display if
  * necessary
@@ -390,6 +429,11 @@ void iter_trace(struct bt_context *bt_ctx)
        begin_pos.type = BT_SEEK_BEGIN;
        iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL);
 
+       bt_ctf_iter_add_callback(iter, 0, NULL, 0,
+                       print_timestamp,
+                       NULL, NULL, NULL);
+
+#if 0
        /* at each event check if we need to refresh */
        bt_ctf_iter_add_callback(iter, 0, NULL, 0,
                        check_timestamp,
@@ -434,7 +478,7 @@ void iter_trace(struct bt_context *bt_ctx)
                                        "lttng_statedump_file_descriptor"),
                        NULL, 0, handle_statedump_file_descriptor,
                        NULL, NULL, NULL);
-
+#endif
        while ((event = bt_ctf_iter_read_event(iter)) != NULL) {
                ret = bt_iter_next(bt_ctf_get_iter(iter));
                if (ret < 0)
@@ -824,7 +868,8 @@ int on_recv_fd(struct lttng_consumer_stream *kconsumerd_fd)
                }
 
                g_ptr_array_add(lttng_consumer_stream_array, kconsumerd_fd);
-               ret = 0;
+               /* keep mmap FDs internally */
+               ret = 1;
        } else {
                consumerd_metadata = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd);
                sessiond_metadata = helper_get_lttng_consumer_stream_key(kconsumerd_fd);
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