Differential D18726 Diff 55730 head/usr.bin/systat/zarc.c

Changeset View

Standalone View

head/usr.bin/systat/zarc.c

/*-		/*-
* Copyright (c) 2014		* Copyright (c) 2014 - 2017 Yoshihiro Ota
* The Regents of the University of California. All rights reserved.
*		*
* Redistribution and use in source and binary forms, with or without		* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions		* modification, are permitted provided that the following conditions
* are met:		* are met:
* 1. Redistributions of source code must retain the above copyright		* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.		* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright		* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the		* notice, this list of conditions and the following disclaimer in the
Show All 16 Lines
*/		*/

#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <sys/types.h>		#include <sys/types.h>
#include <sys/sysctl.h>		#include <sys/sysctl.h>

		/* #include <stdlib.h> */
#include <inttypes.h>		#include <inttypes.h>
#include <string.h>		#include <string.h>
		#include <err.h>

#include "systat.h"		#include "systat.h"
#include "extern.h"		#include "extern.h"
		#include "devs.h"

struct zfield{		struct zfield{
uint64_t arcstats;		uint64_t arcstats;
uint64_t arcstats_demand_data;		uint64_t arcstats_demand_data;
uint64_t arcstats_demand_metadata;		uint64_t arcstats_demand_metadata;
uint64_t arcstats_prefetch_data;		uint64_t arcstats_prefetch_data;
uint64_t arcstats_prefetch_metadata;		uint64_t arcstats_prefetch_metadata;
uint64_t zfetchstats;		uint64_t zfetchstats;
Show All 23 Lines	closezarc(WINDOW *w)
wclear(w);		wclear(w);
wrefresh(w);		wrefresh(w);
delwin(w);		delwin(w);
}		}

void		void
labelzarc(void)		labelzarc(void)
{		{
		int row = 1;
wmove(wnd, 0, 0); wclrtoeol(wnd);		wmove(wnd, 0, 0); wclrtoeol(wnd);
mvwprintw(wnd, 0, 31+1, "%4.4s %7.7s %7.7s %12.12s %12.12s",		mvwprintw(wnd, 0, 31+1, "%4.4s %7.7s %7.7s %12.12s %12.12s",
"rate", "hits", "misses", "total hits", "total misses");		"rate", "hits", "misses", "total hits", "total misses");
#define L(row, str) mvwprintw(wnd, row, 5, str); \		#define L(str) mvwprintw(wnd, row, 5, #str); \
mvwprintw(wnd, row, 31, ":"); \		mvwprintw(wnd, row, 31, ":"); \
mvwprintw(wnd, row, 31+4, "%%")		mvwprintw(wnd, row, 31+4, "%%"); ++row
L(1, "arcstats");		L(arcstats);
L(2, "arcstats.demand_data");		L(arcstats.demand_data);
L(3, "arcstats.demand_metadata");		L(arcstats.demand_metadata);
L(4, "arcstats.prefetch_data");		L(arcstats.prefetch_data);
L(5, "arcstats.prefetch_metadata");		L(arcstats.prefetch_metadata);
L(6, "zfetchstats");		L(zfetchstats);
L(7, "arcstats.l2");		L(arcstats.l2);
L(8, "vdev_cache_stats");		L(vdev_cache_stats);
#undef L		#undef L
		dslabel(12, 0, 18);
}		}

static int calc(uint64_t hits, uint64_t misses)		static int calc(uint64_t hits, uint64_t misses)
{		{
if( hits )		if( hits )
return 100 * hits / ( hits + misses );		return 100 * hits / ( hits + misses );
else		else
return 0;		return 0;
Show All 23 Lines	#define DO(stat) \
DO(arcstats_l2);		DO(arcstats_l2);
DO(vdev_cache_stats);		DO(vdev_cache_stats);
#undef DO		#undef DO
}		}

void		void
showzarc(void)		showzarc(void)
{		{
		int row = 1;
struct zarcstats delta, rate;		struct zarcstats delta, rate;

memset(&delta, 0, sizeof delta);		memset(&delta, 0, sizeof delta);
memset(&rate, 0, sizeof rate);		memset(&rate, 0, sizeof rate);

domode(&delta, &rate);		domode(&delta, &rate);

#define DO(stat, row, col, fmt) \		#define DO(stat, col, fmt) \
mvwprintw(wnd, row, col, fmt, stat)		mvwprintw(wnd, row, col, fmt, stat)
#define R(row, stat) DO(rate.hits.stat, row, 31+1, "%3"PRIu64)		#define R(stat) DO(rate.hits.stat, 31+1, "%3"PRIu64)
#define H(row, stat) DO(delta.hits.stat, row, 31+1+5, "%7"PRIu64); \		#define H(stat) DO(delta.hits.stat, 31+1+5, "%7"PRIu64); \
DO(curstat.hits.stat, row, 31+1+5+8+8, "%12"PRIu64)		DO(curstat.hits.stat, 31+1+5+8+8, "%12"PRIu64)
#define M(row, stat) DO(delta.misses.stat, row, 31+1+5+8, "%7"PRIu64); \		#define M(stat) DO(delta.misses.stat, 31+1+5+8, "%7"PRIu64); \
DO(curstat.misses.stat, row, 31+1+5+8+8+13, "%12"PRIu64)		DO(curstat.misses.stat, 31+1+5+8+8+13, "%12"PRIu64)
#define E(row, stat) R(row, stat); H(row, stat); M(row, stat);		#define E(stat) R(stat); H(stat); M(stat); ++row
E(1, arcstats);		E(arcstats);
E(2, arcstats_demand_data);		E(arcstats_demand_data);
E(3, arcstats_demand_metadata);		E(arcstats_demand_metadata);
E(4, arcstats_prefetch_data);		E(arcstats_prefetch_data);
E(5, arcstats_prefetch_metadata);		E(arcstats_prefetch_metadata);
E(6, zfetchstats);		E(zfetchstats);
E(7, arcstats_l2);		E(arcstats_l2);
E(8, vdev_cache_stats);		E(vdev_cache_stats);
#undef DO		#undef DO
#undef E		#undef E
#undef M		#undef M
#undef H		#undef H
#undef R		#undef R
		dsshow(12, 0, 18, &cur_dev, &last_dev);
}		}

int		int
initzarc(void)		initzarc(void)
{		{
		dsinit(12);
getinfo(&initstat);		getinfo(&initstat);
curstat = oldstat = initstat;		curstat = oldstat = initstat;

return 1;		return 1;
}		}

void		void
resetzarc(void)		resetzarc(void)
{		{
initzarc();		initzarc();
}		}

static void		static void
getinfo(struct zarcstats *ls)		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 );		size_t size = sizeof( ls->hits.arcstats );
if ( sysctlbyname("kstat.zfs.misc.arcstats.hits",		if ( sysctlbyname("kstat.zfs.misc.arcstats.hits",
&ls->hits.arcstats, &size, NULL, 0 ) != 0 )		&ls->hits.arcstats, &size, NULL, 0 ) != 0 )
return;		return;
GETSYSCTL("kstat.zfs.misc.arcstats.misses",		GETSYSCTL("kstat.zfs.misc.arcstats.misses",
ls->misses.arcstats);		ls->misses.arcstats);
GETSYSCTL("kstat.zfs.misc.arcstats.demand_data_hits",		GETSYSCTL("kstat.zfs.misc.arcstats.demand_data_hits",
ls->hits.arcstats_demand_data);		ls->hits.arcstats_demand_data);
Show All 34 Lines