From: Yannick Brosseau <yannick.brosseau@gmail.com>
Date: Mon, 5 Nov 2012 22:08:16 +0000 (-0500)
Subject: Add Debug output on errors
X-Git-Tag: v1.5-beta1~33
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=2230bb655f94e5ee0d32593520de317e6081dec6;p=lttv.git

Add Debug output on errors

Signed-off-by: Yannick Brosseau <yannick.brosseau@gmail.com>
---

diff --git a/lttv/lttv/event.c b/lttv/lttv/event.c
index 2f26274c..c30dcf0b 100644
--- a/lttv/lttv/event.c
+++ b/lttv/lttv/event.c
@@ -20,15 +20,18 @@ unsigned long lttv_event_get_long_unsigned(LttvEvent *event, const char* field)
 
 	timestamp = bt_ctf_get_timestamp(ctf_event);
 	if (timestamp == -1ULL) {
+		printf("ERROR: lttv_event_get_long_unsigned - invalid event\n");
 		return 0;
 	}
 	//scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT);
 	scope = bt_ctf_get_top_level_scope(ctf_event, BT_EVENT_FIELDS);
 	if (bt_ctf_field_get_error()) {
+		printf("ERROR: lttv_event_get_long_unsigned - cannot get field scope\n");
 		return 0;
 	}
 	data = bt_ctf_get_uint64(bt_ctf_get_field(ctf_event, scope, field));
 	if (bt_ctf_field_get_error()) {
+		printf("ERROR: lttv_event_get_long_unsigned - cannot get field data %s \n", field);
 		return 0;
 	} else {
 		return data;
@@ -82,14 +85,17 @@ long lttv_event_get_long(LttvEvent *event, const char* field)
 
 	timestamp = bt_ctf_get_timestamp(ctf_event);
 	if (timestamp == -1ULL) {
+		printf("ERROR: lttv_event_get_long - invalid event\n");
 		return 0;
 	}
 	scope = bt_ctf_get_top_level_scope(ctf_event, BT_EVENT_FIELDS);
 	if (bt_ctf_field_get_error()) {
+		printf("ERROR: lttv_event_get_long - cannot get field scope\n");
 		return 0;
 	}
 	data = bt_ctf_get_int64(bt_ctf_get_field(ctf_event, scope, field));
 	if (bt_ctf_field_get_error()) {
+		printf("ERROR: lttv_event_get_long - cannot get field data %s \n", field);
 		return 0;
 	} else {
 		return data;