[blktrace.git] / verify_blkparse.c

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
	double this_time, last_time;
	char line[256], *p;
	int major, minor, cpu, seq, nr;
	FILE *f;

	if (argc < 2) {
		fprintf(stderr, "%s: file\n", argv[0]);
		return 1;
	}

	f = fopen(argv[1], "r");
	if (!f) {
		perror("fopen");
		return 1;
	}

	last_time = 0;
	nr = 0;
	while ((p = fgets(line, sizeof(line), f)) != NULL) {
		if (!sscanf(p, "%3d,%3d %2d %8d %lf", &major, &minor, &cpu, &seq, &this_time))
			break;

		if (this_time < last_time) {
			fprintf(stdout, "%s", p);
			nr++;
		} else
			last_time = this_time;
	}

	fprintf(stdout, "%d unordered events\n", nr);
	fclose(f);

	return nr != 0;
}
Commit	Line	Data
42a58cd1 JA	1	#include <stdio.h>
	2	#include <stdlib.h>
	3	#include <fcntl.h>
	4	#include <unistd.h>
	5
	6	int main(int argc, char *argv[])
	7	{
	8	double this_time, last_time;
	9	char line[256], *p;
cf4b68a5	10	int major, minor, cpu, seq, nr;
42a58cd1 JA	11	FILE *f;
	12
	13	if (argc < 2) {
	14	fprintf(stderr, "%s: file\n", argv[0]);
	15	return 1;
	16	}
	17
	18	f = fopen(argv[1], "r");
	19	if (!f) {
	20	perror("fopen");
	21	return 1;
	22	}
	23
	24	last_time = 0;
cf4b68a5	25	nr = 0;
42a58cd1 JA	26	while ((p = fgets(line, sizeof(line), f)) != NULL) {
	27	if (!sscanf(p, "%3d,%3d %2d %8d %lf", &major, &minor, &cpu, &seq, &this_time))
	28	break;
	29
cf4b68a5 JA	30	if (this_time < last_time) {
	31	fprintf(stdout, "%s", p);
	32	nr++;
	33	} else
42a58cd1 JA	34	last_time = this_time;
	35	}
	36
cf4b68a5	37	fprintf(stdout, "%d unordered events\n", nr);
42a58cd1	38	fclose(f);
cf4b68a5 JA	39
cf4b68a5 JA	40	return nr != 0;
42a58cd1	41	}