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author | San Mehat <san@google.com> | 2009-06-03 15:36:35 -0700 |
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committer | San Mehat <san@google.com> | 2009-06-03 15:36:35 -0700 |
commit | e20e1347b9914aa05e30548c15d7cd5e412cc0e2 (patch) | |
tree | 1204a7ec18a5ed9ed146e06ab6ac1e2e8c31e76e /btt/aqd.c | |
parent | b1126ed93245bdf9fe7c701626055caeb75b9870 (diff) | |
download | blktrace-e20e1347b9914aa05e30548c15d7cd5e412cc0e2.tar.gz |
blktrace: Initial checkin of ported version
Signed-off-by: San Mehat <san@google.com>
Diffstat (limited to 'btt/aqd.c')
-rw-r--r-- | btt/aqd.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/btt/aqd.c b/btt/aqd.c new file mode 100644 index 0000000..3a45161 --- /dev/null +++ b/btt/aqd.c @@ -0,0 +1,80 @@ +/* + * 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; + } + } +} |