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gst/gstsystemclock.c: Add debug that can be enabled using a #define at the top of the file, for dumping stats about h...

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Original commit message from CVS:
* gst/gstsystemclock.c: (gst_system_clock_id_wait_unlocked):
Add debug that can be enabled using a #define at the top of the file,
for dumping stats about how late/early we were when waking up from
waiting on the clock.
This commit is contained in:
Jan Schmidt 2006-05-30 12:04:29 +00:00
parent f55a023510
commit 2e168d69ce
2 changed files with 28 additions and 0 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2006-05-30 Jan Schmidt <thaytan@mad.scientist.com>
* gst/gstsystemclock.c: (gst_system_clock_id_wait_unlocked):
Add debug that can be enabled using a #define at the top of the file,
for dumping stats about how late/early we were when waking up from
waiting on the clock.
2006-05-30 Wim Taymans <wim@fluendo.com> 2006-05-30 Wim Taymans <wim@fluendo.com>
* libs/gst/base/gstcollectpads.c: (gst_collect_pads_check_pads): * libs/gst/base/gstcollectpads.c: (gst_collect_pads_check_pads):

21
gst/gstsystemclock.c
View file

@ -43,6 +43,9 @@
#include "gstsystemclock.h" #include "gstsystemclock.h"
/* Define this to get some extra debug about jitter from each clock_wait */
#undef WAIT_DEBUGGING
/* the one instance of the systemclock */ /* the one instance of the systemclock */
static GstClock *_the_system_clock = NULL; static GstClock *_the_system_clock = NULL;
@ -385,6 +388,10 @@ gst_system_clock_id_wait_unlocked (GstClock * clock, GstClockEntry * entry)
if (diff > 0) { if (diff > 0) {
GTimeVal tv; GTimeVal tv;
#ifdef WAIT_DEBUGGING
GstClockTime result, final;
#endif
GST_TIME_TO_TIMEVAL (target, tv); GST_TIME_TO_TIMEVAL (target, tv);
while (TRUE) { while (TRUE) {
@ -393,6 +400,20 @@ gst_system_clock_id_wait_unlocked (GstClock * clock, GstClockEntry * entry)
/* timeout, this is fine, we can report success now */ /* timeout, this is fine, we can report success now */
GST_CAT_DEBUG (GST_CAT_CLOCK, "entry %p unlocked after timeout", entry); GST_CAT_DEBUG (GST_CAT_CLOCK, "entry %p unlocked after timeout", entry);
entry->status = GST_CLOCK_OK; entry->status = GST_CLOCK_OK;
#ifdef WAIT_DEBUGGING
real = GST_CLOCK_GET_CLASS (clock)->get_internal_time (clock);
result = gst_clock_adjust_unlocked (clock, real);
final = gst_system_clock_get_internal_time (clock);
GST_CAT_DEBUG (GST_CAT_CLOCK, "Waited for %" G_GINT64_FORMAT
" got %" G_GINT64_FORMAT " diff %" G_GINT64_FORMAT
" %g target-offset %" G_GINT64_FORMAT " %g", entryt, result,
result - entryt,
(double) (GstClockTimeDiff) (result - entryt) / GST_SECOND,
(final - target),
((double) (GstClockTimeDiff) (final - target)) / GST_SECOND);
#endif
break; break;
} else { } else {
/* the waiting is interrupted because the GCond was signaled. This can /* the waiting is interrupted because the GCond was signaled. This can