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Diffstat (limited to 'sys/geom/geom_stats.h')
| -rw-r--r-- | sys/geom/geom_stats.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sys/geom/geom_stats.h b/sys/geom/geom_stats.h new file mode 100644 index 0000000..54ca880 --- /dev/null +++ b/sys/geom/geom_stats.h @@ -0,0 +1,56 @@ +/*- + * Copyright (c) 2002 Poul-Henning Kamp + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The names of the authors may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _GEOM_GEOM_STATS_H_ +#define _GEOM_GEOM_STATS_H_ + +/* + * A g_stat contains the statistics we collect on consumers and + * providers. + */ +struct g_stat { + void *id; + uint64_t nop; + uint64_t nend; + struct bintime it; + struct bintime wentidle; + struct { + uint64_t nop; + uint64_t nbyte; + uint64_t nmem; + uint64_t nerr; + struct bintime dt; + } ops[3]; +#define G_STAT_IDX_READ 0 +#define G_STAT_IDX_WRITE 1 +#define G_STAT_IDX_DELETE 2 +}; + +#endif /* _GEOM_GEOM_STATS_H_ */ |
