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#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;
while (count--) {
x = ts++;
printf("event:%d seq:%u cpu:%d type:%d\n",
(int) x->event, x->seq_no, x->cpu, x->task_type);
}
}
static void die(char* msg)
{
if (errno)
perror("error: ");
fprintf(stderr, "%s\n", msg);
exit(1);
}
#define offset(type, member) ((unsigned int) &((type *) 0)->member)
int main(int argc, char** argv)
{
void* mapped;
size_t size, count;
struct timestamp* ts;
printf("struct timestamp:\n"
"\t size = %3u\n"
"\t offset(timestamp) = %3u\n"
"\t offset(seq_no) = %3u\n"
"\t offset(cpu) = %3u\n"
"\t offset(event) = %3u\n"
"\t offset(task_type) = %3u\n",
(unsigned int) 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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