0d452f43a0
PR: 213310 Submitted by: ota MFH: 4 weeks Differential Revision: https://reviews.freebsd.org/D18726
240 lines
6.3 KiB
C
240 lines
6.3 KiB
C
/*-
|
|
* Copyright (c) 2014 - 2017 Yoshihiro Ota
|
|
*
|
|
* 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. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
/* #include <stdlib.h> */
|
|
#include <inttypes.h>
|
|
#include <string.h>
|
|
#include <err.h>
|
|
|
|
#include "systat.h"
|
|
#include "extern.h"
|
|
#include "devs.h"
|
|
|
|
struct zfield{
|
|
uint64_t arcstats;
|
|
uint64_t arcstats_demand_data;
|
|
uint64_t arcstats_demand_metadata;
|
|
uint64_t arcstats_prefetch_data;
|
|
uint64_t arcstats_prefetch_metadata;
|
|
uint64_t zfetchstats;
|
|
uint64_t arcstats_l2;
|
|
uint64_t vdev_cache_stats;
|
|
};
|
|
|
|
static struct zarcstats {
|
|
struct zfield hits;
|
|
struct zfield misses;
|
|
} curstat, initstat, oldstat;
|
|
|
|
static void
|
|
getinfo(struct zarcstats *ls);
|
|
|
|
WINDOW *
|
|
openzarc(void)
|
|
{
|
|
return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
|
|
}
|
|
|
|
void
|
|
closezarc(WINDOW *w)
|
|
{
|
|
if (w == NULL)
|
|
return;
|
|
wclear(w);
|
|
wrefresh(w);
|
|
delwin(w);
|
|
}
|
|
|
|
void
|
|
labelzarc(void)
|
|
{
|
|
int row = 1;
|
|
wmove(wnd, 0, 0); wclrtoeol(wnd);
|
|
mvwprintw(wnd, 0, 31+1, "%4.4s %7.7s %7.7s %12.12s %12.12s",
|
|
"rate", "hits", "misses", "total hits", "total misses");
|
|
#define L(str) mvwprintw(wnd, row, 5, #str); \
|
|
mvwprintw(wnd, row, 31, ":"); \
|
|
mvwprintw(wnd, row, 31+4, "%%"); ++row
|
|
L(arcstats);
|
|
L(arcstats.demand_data);
|
|
L(arcstats.demand_metadata);
|
|
L(arcstats.prefetch_data);
|
|
L(arcstats.prefetch_metadata);
|
|
L(zfetchstats);
|
|
L(arcstats.l2);
|
|
L(vdev_cache_stats);
|
|
#undef L
|
|
dslabel(12, 0, 18);
|
|
}
|
|
|
|
static int calc(uint64_t hits, uint64_t misses)
|
|
{
|
|
if( hits )
|
|
return 100 * hits / ( hits + misses );
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
domode(struct zarcstats *delta, struct zarcstats *rate)
|
|
{
|
|
#define DO(stat) \
|
|
delta->hits.stat = (curstat.hits.stat - oldstat.hits.stat); \
|
|
delta->misses.stat = (curstat.misses.stat - oldstat.misses.stat); \
|
|
rate->hits.stat = calc(delta->hits.stat, delta->misses.stat)
|
|
DO(arcstats);
|
|
DO(arcstats_demand_data);
|
|
DO(arcstats_demand_metadata);
|
|
DO(arcstats_prefetch_data);
|
|
DO(arcstats_prefetch_metadata);
|
|
DO(zfetchstats);
|
|
DO(arcstats_l2);
|
|
DO(vdev_cache_stats);
|
|
DO(arcstats);
|
|
DO(arcstats_demand_data);
|
|
DO(arcstats_demand_metadata);
|
|
DO(arcstats_prefetch_data);
|
|
DO(arcstats_prefetch_metadata);
|
|
DO(zfetchstats);
|
|
DO(arcstats_l2);
|
|
DO(vdev_cache_stats);
|
|
#undef DO
|
|
}
|
|
|
|
void
|
|
showzarc(void)
|
|
{
|
|
int row = 1;
|
|
struct zarcstats delta, rate;
|
|
|
|
memset(&delta, 0, sizeof delta);
|
|
memset(&rate, 0, sizeof rate);
|
|
|
|
domode(&delta, &rate);
|
|
|
|
#define DO(stat, col, fmt) \
|
|
mvwprintw(wnd, row, col, fmt, stat)
|
|
#define R(stat) DO(rate.hits.stat, 31+1, "%3"PRIu64)
|
|
#define H(stat) DO(delta.hits.stat, 31+1+5, "%7"PRIu64); \
|
|
DO(curstat.hits.stat, 31+1+5+8+8, "%12"PRIu64)
|
|
#define M(stat) DO(delta.misses.stat, 31+1+5+8, "%7"PRIu64); \
|
|
DO(curstat.misses.stat, 31+1+5+8+8+13, "%12"PRIu64)
|
|
#define E(stat) R(stat); H(stat); M(stat); ++row
|
|
E(arcstats);
|
|
E(arcstats_demand_data);
|
|
E(arcstats_demand_metadata);
|
|
E(arcstats_prefetch_data);
|
|
E(arcstats_prefetch_metadata);
|
|
E(zfetchstats);
|
|
E(arcstats_l2);
|
|
E(vdev_cache_stats);
|
|
#undef DO
|
|
#undef E
|
|
#undef M
|
|
#undef H
|
|
#undef R
|
|
dsshow(12, 0, 18, &cur_dev, &last_dev);
|
|
}
|
|
|
|
int
|
|
initzarc(void)
|
|
{
|
|
dsinit(12);
|
|
getinfo(&initstat);
|
|
curstat = oldstat = initstat;
|
|
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
resetzarc(void)
|
|
{
|
|
initzarc();
|
|
}
|
|
|
|
static void
|
|
getinfo(struct zarcstats *ls)
|
|
{
|
|
struct devinfo *tmp_dinfo;
|
|
|
|
tmp_dinfo = last_dev.dinfo;
|
|
last_dev.dinfo = cur_dev.dinfo;
|
|
cur_dev.dinfo = tmp_dinfo;
|
|
|
|
last_dev.snap_time = cur_dev.snap_time;
|
|
dsgetinfo( &cur_dev );
|
|
|
|
size_t size = sizeof( ls->hits.arcstats );
|
|
if ( sysctlbyname("kstat.zfs.misc.arcstats.hits",
|
|
&ls->hits.arcstats, &size, NULL, 0 ) != 0 )
|
|
return;
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.misses",
|
|
ls->misses.arcstats);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.demand_data_hits",
|
|
ls->hits.arcstats_demand_data);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.demand_data_misses",
|
|
ls->misses.arcstats_demand_data);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.demand_metadata_hits",
|
|
ls->hits.arcstats_demand_metadata);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.demand_metadata_misses",
|
|
ls->misses.arcstats_demand_metadata);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.prefetch_data_hits",
|
|
ls->hits.arcstats_prefetch_data);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.prefetch_data_misses",
|
|
ls->misses.arcstats_prefetch_data);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.prefetch_metadata_hits",
|
|
ls->hits.arcstats_prefetch_metadata);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.prefetch_metadata_misses",
|
|
ls->misses.arcstats_prefetch_metadata);
|
|
GETSYSCTL("kstat.zfs.misc.zfetchstats.hits",
|
|
ls->hits.zfetchstats);
|
|
GETSYSCTL("kstat.zfs.misc.zfetchstats.misses",
|
|
ls->misses.zfetchstats);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.l2_hits",
|
|
ls->hits.arcstats_l2);
|
|
GETSYSCTL("kstat.zfs.misc.arcstats.l2_misses",
|
|
ls->misses.arcstats_l2);
|
|
GETSYSCTL("kstat.zfs.misc.vdev_cache_stats.hits",
|
|
ls->hits.vdev_cache_stats);
|
|
GETSYSCTL("kstat.zfs.misc.vdev_cache_stats.misses",
|
|
ls->misses.vdev_cache_stats);
|
|
}
|
|
|
|
void
|
|
fetchzarc(void)
|
|
{
|
|
oldstat = curstat;
|
|
getinfo(&curstat);
|
|
}
|