mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-16 13:00:41 +00:00
a164187503
Original commit message from CVS: - basic arch check for HAVE_RDTSC - use common gst_trace_read_tsc() for RDTSC call - add untested function to do ascii dump of trace data
133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
/* GStreamer
|
|
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
|
* 2000 Wim Taymans <wtay@chello.be>
|
|
*
|
|
* gsttrace.c: Tracing functions (depracated)
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
|
|
#include "gst_private.h"
|
|
|
|
#include "gsttrace.h"
|
|
|
|
|
|
__inline__ void read_tsc(guint64 *dst) {
|
|
#ifdef HAVE_RDTSC
|
|
guint64 tsc;
|
|
__asm__ __volatile__ ("rdtsc" : "=A" (tsc));
|
|
*dst = tsc;
|
|
#else
|
|
*dst = 0;
|
|
#endif
|
|
}
|
|
|
|
void gst_trace_read_tsc(guint64 *dst) {
|
|
read_tsc(dst);
|
|
}
|
|
|
|
GstTrace *_gst_trace_default = NULL;
|
|
gint _gst_trace_on = 1;
|
|
|
|
GstTrace *gst_trace_new(guchar *filename,gint size) {
|
|
GstTrace *trace = g_malloc(sizeof(GstTrace));
|
|
|
|
g_return_val_if_fail(trace != NULL,NULL);
|
|
trace->filename = g_strdup(filename);
|
|
g_print("opening '%s'\n",trace->filename);
|
|
trace->fd = open(trace->filename,O_RDWR|O_CREAT|O_TRUNC,S_IRUSR|S_IWUSR);
|
|
perror("opening trace file");
|
|
g_return_val_if_fail(trace->fd > 0,NULL);
|
|
trace->buf = g_malloc(size * sizeof(GstTraceEntry));
|
|
g_return_val_if_fail(trace->buf != NULL,NULL);
|
|
trace->bufsize = size;
|
|
trace->bufoffset = 0;
|
|
|
|
return trace;
|
|
}
|
|
|
|
void gst_trace_destroy(GstTrace *trace) {
|
|
g_return_if_fail(trace != NULL);
|
|
g_return_if_fail(trace->buf != NULL);
|
|
|
|
if (gst_trace_get_remaining(trace) > 0)
|
|
gst_trace_flush(trace);
|
|
close(trace->fd);
|
|
g_free(trace->buf);
|
|
g_free(trace);
|
|
}
|
|
|
|
void gst_trace_flush(GstTrace *trace) {
|
|
if (!trace) {
|
|
trace = _gst_trace_default;
|
|
if (!trace ) return;
|
|
}
|
|
|
|
write(trace->fd,trace->buf,trace->bufoffset * sizeof(GstTraceEntry));
|
|
trace->bufoffset = 0;
|
|
}
|
|
|
|
void gst_trace_text_flush(GstTrace *trace) {
|
|
int i;
|
|
const int strsize = 20+1 + 10+1 + 10+1 + 112+1 + 1;
|
|
char str[strsize];
|
|
|
|
if (!trace) {
|
|
trace = _gst_trace_default;
|
|
if (!trace ) return;
|
|
}
|
|
|
|
for (i=0; i<trace->bufoffset; i++) {
|
|
snprintf(str, strsize, "%20lld %10d %10d %s\n",
|
|
trace->buf[i].timestamp,
|
|
trace->buf[i].sequence,
|
|
trace->buf[i].data,
|
|
trace->buf[i].message);
|
|
write(trace->fd,str,strlen(str));
|
|
}
|
|
trace->bufoffset = 0;
|
|
}
|
|
|
|
void gst_trace_set_default(GstTrace *trace) {
|
|
g_return_if_fail(trace != NULL);
|
|
_gst_trace_default = trace;
|
|
}
|
|
|
|
void _gst_trace_add_entry(GstTrace *trace,guint32 seq,guint32 data,gchar *msg) {
|
|
GstTraceEntry *entry;
|
|
if (!trace) {
|
|
trace = _gst_trace_default;
|
|
if (!trace ) return;
|
|
}
|
|
|
|
entry = trace->buf + trace->bufoffset;
|
|
read_tsc(&(entry->timestamp));
|
|
entry->sequence = seq;
|
|
entry->data = data;
|
|
strncpy(entry->message,msg,112);
|
|
trace->bufoffset++;
|
|
|
|
gst_trace_flush(trace);
|
|
}
|