[blktrace.git] / btt / aqd.c

/*
 * blktrace output analysis: generate a timeline & gather statistics
 *
 * Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com>
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "globals.h"

struct aqd_info {
	FILE *fp;
	int na;		/* # active */
};

void *aqd_alloc(char *str)
{
	char *oname;
	struct aqd_info *ap;

	if (aqd_name == NULL) return NULL;

	ap = malloc(sizeof(*ap));
	ap->na = 0;

	oname = malloc(strlen(aqd_name) + strlen(str) + 32);
	sprintf(oname, "%s_%s.dat", aqd_name, str);
	if ((ap->fp = my_fopen(oname, "w")) == NULL) {
		perror(oname);
		return NULL;
	}
	add_file(ap->fp, oname);

	return ap;

}

void aqd_free(void *info)
{
	free(info);
}

void aqd_issue(void *info, double ts)
{
	if (info) {
		struct aqd_info *ap = info;

		fprintf(ap->fp, "%lf %d\n%lf %d\n", ts, ap->na, ts, ap->na + 1);
		ap->na += 1;
	}
}

void aqd_complete(void *info, double ts)
{
	if (info) {
		struct aqd_info *ap = info;

		if (ap->na > 0) {
			fprintf(ap->fp, "%lf %d\n%lf %d\n",
					ts, ap->na, ts, ap->na - 1);
			ap->na -= 1;
		}
	}
}
Commit	Line	Data
4ae2c3c6 AB	1	/*
	2	* blktrace output analysis: generate a timeline & gather statistics
	3	*
	4	* Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	*/
	21	#include <stdio.h>
	22	#include <stdlib.h>
	23	#include <string.h>
	24
	25	#include "globals.h"
	26
4ae2c3c6 AB	27	struct aqd_info {
	28	FILE *fp;
	29	int na; /* # active */
	30	};
	31
c053af42	32	void aqd_alloc(char str)
4ae2c3c6 AB	33	{
	34	char *oname;
	35	struct aqd_info *ap;
	36
	37	if (aqd_name == NULL) return NULL;
	38
	39	ap = malloc(sizeof(*ap));
	40	ap->na = 0;
	41
	42	oname = malloc(strlen(aqd_name) + strlen(str) + 32);
	43	sprintf(oname, "%s_%s.dat", aqd_name, str);
99bb5ebc	44	if ((ap->fp = my_fopen(oname, "w")) == NULL) {
4ae2c3c6 AB	45	perror(oname);
	46	return NULL;
	47	}
c053af42	48	add_file(ap->fp, oname);
4ae2c3c6 AB	49
	50	return ap;
	51
	52	}
	53
c053af42	54	void aqd_free(void *info)
2baef508 AB	55	{
	56	free(info);
	57	}
	58
4ae2c3c6 AB	59	void aqd_issue(void *info, double ts)
4ae2c3c6 AB	60	{
f3db3473 AB	61	if (info) {
f3db3473 AB	62	struct aqd_info *ap = info;
4ae2c3c6	63
f3db3473 AB	64	fprintf(ap->fp, "%lf %d\n%lf %d\n", ts, ap->na, ts, ap->na + 1);
	65	ap->na += 1;
	66	}
4ae2c3c6 AB	67	}
	68
	69	void aqd_complete(void *info, double ts)
	70	{
f3db3473 AB	71	if (info) {
	72	struct aqd_info *ap = info;
	73
	74	if (ap->na > 0) {
	75	fprintf(ap->fp, "%lf %d\n%lf %d\n",
	76	ts, ap->na, ts, ap->na - 1);
	77	ap->na -= 1;
	78	}
4ae2c3c6 AB	79	}
4ae2c3c6 AB	80	}