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/*
* ftdump -- Dump raw event data from a Feather-Trace event stream.
* Copyright (C) 2007, 2008 B. Brandenburg.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "mapping.h"
#include "timestamp.h"
static void dump(struct timestamp* ts, size_t count)
{
struct timestamp *x;
unsigned int last_seq = 0;
const char* name;
while (count--) {
x = ts++;
name = event2str(x->event);
if (last_seq && last_seq + 1 != x->seq_no)
printf("==== non-consecutive sequence number ====\n");
last_seq = x->seq_no;
if (x->event <= PID_RECORDS_RANGE) {
if (name)
printf("%-20s seq:%u timestamp:%llu pid:%u\n",
name, x->seq_no,
(unsigned long long) x->timestamp,
ts_pid_fragment(x));
else
printf("%16s:%3u seq:%u timestamp:%llu pid:%u\n",
"event",
(unsigned int) x->event, x->seq_no,
(unsigned long long) x->timestamp,
ts_pid_fragment(x));
}
else {
if (name)
printf("%-20s seq:%u timestamp:%llu cpu:%d type:%-8s \n",
name, x->seq_no,
(unsigned long long) x->timestamp,
x->cpu,
task_type2str(x->task_type));
else
printf("%16s:%3u seq:%u timestamp:%llu cpu:%u type:%-8s\n",
"event",
(unsigned int) x->event, x->seq_no,
(unsigned long long) x->timestamp,
x->cpu,
task_type2str(x->task_type));
}
}
}
static void die(char* msg)
{
if (errno)
perror("error: ");
fprintf(stderr, "%s\n", msg);
exit(1);
}
#define offset(type, member) ((unsigned long) &((type *) 0)->member)
int main(int argc, char** argv)
{
void* mapped;
size_t size, count;
struct timestamp* ts;
printf("struct timestamp:\n"
"\t size = %3lu\n"
"\t offset(timestamp) = %3lu\n"
"\t offset(seq_no) = %3lu\n"
"\t offset(cpu) = %3lu\n"
"\t offset(event) = %3lu\n"
"\t offset(task_type) = %3lu\n",
(unsigned long) sizeof(struct timestamp),
offset(struct timestamp, timestamp),
offset(struct timestamp, seq_no),
offset(struct timestamp, cpu),
offset(struct timestamp, event),
offset(struct timestamp, task_type));
if (argc != 2)
die("Usage: ftdump <logfile>");
if (map_file(argv[1], &mapped, &size))
die("could not map file");
ts = (struct timestamp*) mapped;
count = size / sizeof(struct timestamp);
dump(ts, count);
return 0;
}
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