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Diffstat (limited to 'native/libMicro-0.4.0/pwrite.c')
-rw-r--r-- | native/libMicro-0.4.0/pwrite.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/native/libMicro-0.4.0/pwrite.c b/native/libMicro-0.4.0/pwrite.c new file mode 100644 index 0000000..ab1374c --- /dev/null +++ b/native/libMicro-0.4.0/pwrite.c @@ -0,0 +1,154 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms + * of the Common Development and Distribution License + * (the "License"). You may not use this file except + * in compliance with the License. + * + * You can obtain a copy of the license at + * src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing + * permissions and limitations under the License. + * + * When distributing Covered Code, include this CDDL + * HEADER in each file and include the License file at + * usr/src/OPENSOLARIS.LICENSE. If applicable, + * add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your + * own identifying information: Portions Copyright [yyyy] + * [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifdef linux +#define _XOPEN_SOURCE 500 +#endif + +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> + +#include "libmicro.h" + +typedef struct { + char *ts_buf; +} tsd_t; + +#define DEFF "/dev/null" +#define DEFS 1024 + +static int optc = 0; +static char *optf = DEFF; +static long long opts = DEFS; +static int fd = -1; + +int +benchmark_init() +{ + lm_tsdsize = sizeof (tsd_t); + + (void) sprintf(lm_optstr, "cf:s:"); + + (void) sprintf(lm_usage, + " [-f file-to-write (default %s)]\n" + " [-s buffer-size (default %d)]\n" + " [-c ] (make sure buffer is in cache)\n" + "notes: measures pwrite()\n", + DEFF, DEFS); + + (void) sprintf(lm_header, "%8s", "size"); + + return (0); +} + +int +benchmark_optswitch(int opt, char *optarg) +{ + switch (opt) { + case 'c': + optc++; + break; + case 'f': + optf = optarg; + break; + case 's': + opts = sizetoll(optarg); + break; + default: + return (-1); + } + return (0); +} + +int +benchmark_initrun() +{ + fd = open(optf, O_WRONLY); + if (fd == -1) { + return (-1); + } + + return (0); +} + +int +benchmark_finirun() +{ + return (0); +} + +int +benchmark_initbatch(void *tsd) +{ + tsd_t *ts = (tsd_t *)tsd; + int i; + + if (ts->ts_buf == NULL) { + ts->ts_buf = malloc(opts); + + /* + * bring buf into cache if specified. + */ + + if (optc) + for (i = 0; i < opts; i++) + ts->ts_buf[i] = 0; + } + + return (0); +} + +int +benchmark(void *tsd, result_t *res) +{ + tsd_t *ts = (tsd_t *)tsd; + int i; + + for (i = 0; i < lm_optB; i++) { + if (pwrite(fd, ts->ts_buf, opts, 0) != opts) { + res->re_errors++; + } + } + res->re_count = i; + + return (0); +} + +char * +benchmark_result() +{ + static char result[256]; + + (void) sprintf(result, "%8lld", opts); + + return (result); +} |