svn commit: r345804 - head/usr.bin/systat

Michael mike at reifenberger.com
Tue Apr 2 16:09:07 UTC 2019


Hi,

Am 2. April 2019 16:08:17 MESZ schrieb "Rodney W. Grimes" <freebsd at gndrsh.dnsmgr.net>:
>> Author: mr
>> Date: Tue Apr  2 14:01:03 2019
>> New Revision: 345804
>> URL: https://svnweb.freebsd.org/changeset/base/345804
>> 
>> Log:
>>   systat -zarc to display disk activities like -vm
>>   
>>   PR:		213310
>>   Submitted by:	ota
>>   MFH:		4 weeks
>
>? MFC:

Yes, indeed.

>
>>   Differential Revision:	https://reviews.freebsd.org/D18726
>> 
>> Modified:
>>   head/usr.bin/systat/devs.c
>>   head/usr.bin/systat/devs.h
>>   head/usr.bin/systat/iostat.c
>>   head/usr.bin/systat/swap.c
>>   head/usr.bin/systat/systat.h
>>   head/usr.bin/systat/vmstat.c
>>   head/usr.bin/systat/zarc.c
>> 
>> Modified: head/usr.bin/systat/devs.c
>>
>==============================================================================
>> --- head/usr.bin/systat/devs.c	Tue Apr  2 13:59:04 2019	(r345803)
>> +++ head/usr.bin/systat/devs.c	Tue Apr  2 14:01:03 2019	(r345804)
>> @@ -2,6 +2,7 @@
>>   * SPDX-License-Identifier: BSD-3-Clause
>>   *
>>   * Copyright (c) 1998 Kenneth D. Merry.
>> + *               2015 Yoshihiro Ota
>>   * All rights reserved.
>
>
>Can we get in contact with Yoshihiro Ota about his
>copyright statements, and correcting this to make
>it clear that it is Kenneth D. Merry that is asserting
>"All rights reserved" and if Ota does nor does not wish to assert
>"All rights reserved".
>
>As committed this makes a grey area on Kenneth's assertion,
>also leaving out the word copyright on Yoshihiro's line is a bit iffy.
>
>I am only commenting once, this issue appears several times.
>We can go back out to D18726 to discuss it if need be.
>

You could add a comment in the PR too, I intended to keep it open until MFC

>>   *
>>   * Redistribution and use in source and binary forms, with or
>without
>> @@ -69,7 +70,6 @@ static const char sccsid[] = "@(#)disks.c	8.1
>(Berkele
>>  #include <sys/resource.h>
>>  
>>  #include <ctype.h>
>> -#include <devstat.h>
>>  #include <err.h>
>>  #include <stdlib.h>
>>  #include <string.h>
>> @@ -84,6 +84,8 @@ typedef enum {
>>  	DS_MATCHTYPE_PATTERN
>>  } last_match_type;
>>  
>> +struct statinfo cur_dev, last_dev, run_dev;
>> +
>>  last_match_type last_type;
>>  struct device_selection *dev_select;
>>  long generation;
>> @@ -101,10 +103,8 @@ static int dsselect(const char *args,
>devstat_select_m
>>  		    int maxshowdevs, struct statinfo *s1);
>>  
>>  int
>> -dsinit(int maxshowdevs, struct statinfo *s1, struct statinfo *s2
>__unused,
>> -       struct statinfo *s3 __unused)
>> +dsinit(int maxshowdevs)
>>  {
>> -
>>  	/*
>>  	 * Make sure that the userland devstat version matches the kernel
>>  	 * devstat version.  If not, exit and print a message informing
>> @@ -113,6 +113,18 @@ dsinit(int maxshowdevs, struct statinfo *s1,
>struct st
>>  	if (devstat_checkversion(NULL) < 0)
>>  		errx(1, "%s", devstat_errbuf);
>>  
>> +	if( cur_dev.dinfo ) // init was alreay ran
>> +		return(1);
>> +
>> +	if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
>> +		warnx("%s", devstat_errbuf);
>> +		return(0);
>> +	}
>> +
>> +	cur_dev.dinfo = calloc(1, sizeof(struct devinfo));
>> +	last_dev.dinfo = calloc(1, sizeof(struct devinfo));
>> +	run_dev.dinfo = calloc(1, sizeof(struct devinfo));
>> +
>>  	generation = 0;
>>  	num_devices = 0;
>>  	num_selected = 0;
>> @@ -120,11 +132,11 @@ dsinit(int maxshowdevs, struct statinfo *s1,
>struct st
>>  	select_generation = 0;
>>  	last_type = DS_MATCHTYPE_NONE;
>>  
>> -	if (devstat_getdevs(NULL, s1) == -1)
>> +	if (devstat_getdevs(NULL, &cur_dev) == -1)
>>  		errx(1, "%s", devstat_errbuf);
>>  
>> -	num_devices = s1->dinfo->numdevs;
>> -	generation = s1->dinfo->generation;
>> +	num_devices = cur_dev.dinfo->numdevs;
>> +	generation = cur_dev.dinfo->generation;
>>  
>>  	dev_select = NULL;
>>  
>> @@ -134,13 +146,31 @@ dsinit(int maxshowdevs, struct statinfo *s1,
>struct st
>>  	 * or 1.  If we get back -1, though, there is an error.
>>  	 */
>>  	if (devstat_selectdevs(&dev_select, &num_selected, &num_selections,
>> -	    &select_generation, generation, s1->dinfo->devices,
>num_devices,
>> +	    &select_generation, generation, cur_dev.dinfo->devices,
>num_devices,
>>  	    NULL, 0, NULL, 0, DS_SELECT_ADD, maxshowdevs, 0) == -1)
>>  		errx(1, "%d %s", __LINE__, devstat_errbuf);
>>  
>>  	return(1);
>>  }
>>  
>> +
>> +void
>> +dsgetinfo(struct statinfo* dev)
>> +{
>> +	switch (devstat_getdevs(NULL, dev)) {
>> +	case -1:
>> +		errx(1, "%s", devstat_errbuf);
>> +		break;
>> +	case 1:
>> +		num_devices = dev->dinfo->numdevs;
>> +		generation = dev->dinfo->generation;
>> +		cmdkre("refresh", NULL);
>> +		break;
>> +	default:
>> +		break;
>> +	}
>> +}
>> +
>>  int
>>  dscmd(const char *cmd, const char *args, int maxshowdevs, struct
>statinfo *s1)
>>  {
>> @@ -330,4 +360,84 @@ dsselect(const char *args, devstat_select_mode
>select_
>>  			return(2);
>>  	}
>>  	return(1);
>> +}
>> +
>> +
>> +void
>> +dslabel(int maxdrives, int diskcol, int diskrow)
>> +{
>> +	int i, j;
>> +
>> +	mvprintw(diskrow, diskcol, "Disks");
>> +	mvprintw(diskrow + 1, diskcol, "KB/t");
>> +	mvprintw(diskrow + 2, diskcol, "tps");
>> +	mvprintw(diskrow + 3, diskcol, "MB/s");
>> +	mvprintw(diskrow + 4, diskcol, "%%busy");
>> +	/*
>> +	 * For now, we don't support a fourth disk statistic.  So there's
>> +	 * no point in providing a label for it.  If someone can think of a
>> +	 * fourth useful disk statistic, there is room to add it.
>> +	 */
>> +	/* mvprintw(diskrow + 4, diskcol, " msps"); */
>> +	j = 0;
>> +	for (i = 0; i < num_devices && j < maxdrives; i++)
>> +		if (dev_select[i].selected) {
>> +			char tmpstr[80];
>> +			sprintf(tmpstr, "%s%d", dev_select[i].device_name,
>> +				dev_select[i].unit_number);
>> +			mvprintw(diskrow, diskcol + 5 + 6 * j,
>> +				" %5.5s", tmpstr);
>> +			j++;
>> +		}
>> +}
>> +
>> +static void
>> +dsshow2(int diskcol, int diskrow, int dn, int lc, struct statinfo
>*now, struct statinfo *then)
>> +{
>> +	long double transfers_per_second;
>> +	long double kb_per_transfer, mb_per_second;
>> +	long double elapsed_time, device_busy;
>> +	int di;
>> +
>> +	di = dev_select[dn].position;
>> +
>> +	if (then != NULL) {
>> +		/* Calculate relative to previous sample */
>> +		elapsed_time = now->snap_time - then->snap_time;
>> +	} else {
>> +		/* Calculate relative to device creation */
>> +		elapsed_time = now->snap_time - devstat_compute_etime(
>> +		    &now->dinfo->devices[di].creation_time, NULL);
>> +	}
>> +
>> +	if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
>> +	    &then->dinfo->devices[di] : NULL, elapsed_time,
>> +	    DSM_KB_PER_TRANSFER, &kb_per_transfer,
>> +	    DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
>> +	    DSM_MB_PER_SECOND, &mb_per_second,
>> +	    DSM_BUSY_PCT, &device_busy,
>> +	    DSM_NONE) != 0)
>> +		errx(1, "%s", devstat_errbuf);
>> +
>> +	lc = diskcol + lc * 6;
>> +	putlongdouble(kb_per_transfer, diskrow + 1, lc, 5, 2, 0);
>> +	putlongdouble(transfers_per_second, diskrow + 2, lc, 5, 0, 0);
>> +	putlongdouble(mb_per_second, diskrow + 3, lc, 5, 2, 0);
>> +	putlongdouble(device_busy, diskrow + 4, lc, 5, 0, 0);
>> +}
>> +
>> +static void
>> +dsshow3(int diskcol, int diskrow, int dn, int lc, struct statinfo
>*now, struct statinfo *then)
>> +{
>> +	dsshow2(diskcol, diskrow, dn, lc, now, then);
>> +}
>> +
>> +void
>> +dsshow(int maxdrives, int diskcol, int diskrow, struct statinfo
>*now, struct statinfo *then)
>> +{
>> +	int i, lc;
>> +
>> +	for (i = 0, lc = 0; i < num_devices && lc < maxdrives; i++)
>> +		if (dev_select[i].selected)
>> +			dsshow3(diskcol, diskrow, i, ++lc, now, then);
>>  }
>> 
>> Modified: head/usr.bin/systat/devs.h
>>
>==============================================================================
>> --- head/usr.bin/systat/devs.h	Tue Apr  2 13:59:04 2019	(r345803)
>> +++ head/usr.bin/systat/devs.h	Tue Apr  2 14:01:03 2019	(r345804)
>> @@ -2,6 +2,7 @@
>>   * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
>>   *
>>   * Copyright (c) 1998 David E. O'Brien
>> + *               2015 Yoshihiro Ota
>>   * All rights reserved.
>>   *
>>   * Redistribution and use in source and binary forms, with or
>without
>> @@ -28,5 +29,18 @@
>>   * $FreeBSD$
>>   */
>>  
>> -int dsinit(int, struct statinfo *, struct statinfo *, struct
>statinfo *);
>> +#ifndef DEVS_H
>> +#define DEVS_H
>> +
>> +#include <devstat.h>
>> +
>> +int dsinit(int);
>> +void dsgetinfo(struct statinfo *);
>>  int dscmd(const char *, const char *, int, struct statinfo *);
>> +
>> +void dslabel(int, int, int);
>> +void dsshow(int, int, int, struct statinfo *, struct statinfo *);
>> +
>> +extern struct statinfo cur_dev, last_dev, run_dev;
>> +
>> +#endif
>> 
>> Modified: head/usr.bin/systat/iostat.c
>>
>==============================================================================
>> --- head/usr.bin/systat/iostat.c	Tue Apr  2 13:59:04 2019	(r345803)
>> +++ head/usr.bin/systat/iostat.c	Tue Apr  2 14:01:03 2019	(r345804)
>> @@ -79,8 +79,6 @@ static const char sccsid[] = "@(#)iostat.c	8.1
>(Berkel
>>  #include "extern.h"
>>  #include "devs.h"
>>  
>> -struct statinfo cur, last;
>> -
>>  static  int linesperregion;
>>  static  double etime;
>>  static  int numbers = 0;		/* default display bar graphs */
>> @@ -111,17 +109,11 @@ closeiostat(WINDOW *w)
>>  int
>>  initiostat(void)
>>  {
>> -	if ((num_devices = devstat_getnumdevs(NULL)) < 0)
>> -		return(0);
>> -
>> -	cur.dinfo = calloc(1, sizeof(struct devinfo));
>> -	last.dinfo = calloc(1, sizeof(struct devinfo));
>> -
>>  	/*
>>  	 * This value for maxshowdevs (100) is bogus.  I'm not sure exactly
>>  	 * how to calculate it, though.
>>  	 */
>> -	if (dsinit(100, &cur, &last, NULL) != 1)
>> +	if (dsinit(7) != 1)
>>  		return(0);
>>  
>>  	return(1);
>> @@ -133,17 +125,17 @@ fetchiostat(void)
>>  	struct devinfo *tmp_dinfo;
>>  	size_t len;
>>  
>> -	len = sizeof(cur.cp_time);
>> -	if (sysctlbyname("kern.cp_time", &cur.cp_time, &len, NULL, 0)
>> -	    || len != sizeof(cur.cp_time)) {
>> +	len = sizeof(cur_dev.cp_time);
>> +	if (sysctlbyname("kern.cp_time", &cur_dev.cp_time, &len, NULL, 0)
>> +	    || len != sizeof(cur_dev.cp_time)) {
>>  		perror("kern.cp_time");
>>  		exit (1);
>>  	}
>> -	tmp_dinfo = last.dinfo;
>> -	last.dinfo = cur.dinfo;
>> -	cur.dinfo = tmp_dinfo;
>> +	tmp_dinfo = last_dev.dinfo;
>> +	last_dev.dinfo = cur_dev.dinfo;
>> +	cur_dev.dinfo = tmp_dinfo;
>>  
>> -	last.snap_time = cur.snap_time;
>> +	last_dev.snap_time = cur_dev.snap_time;
>>  
>>  	/*
>>  	 * Here what we want to do is refresh our device stats.
>> @@ -152,7 +144,7 @@ fetchiostat(void)
>>  	 * the selection process again, in case a device that we
>>  	 * were previously displaying has gone away.
>>  	 */
>> -	switch (devstat_getdevs(NULL, &cur)) {
>> +	switch (devstat_getdevs(NULL, &cur_dev)) {
>>  	case -1:
>>  		errx(1, "%s", devstat_errbuf);
>>  		break;
>> @@ -162,8 +154,8 @@ fetchiostat(void)
>>  	default:
>>  		break;
>>  	}
>> -	num_devices = cur.dinfo->numdevs;
>> -	generation = cur.dinfo->generation;
>> +	num_devices = cur_dev.dinfo->numdevs;
>> +	generation = cur_dev.dinfo->generation;
>>  
>>  }
>>  
>> @@ -260,11 +252,11 @@ showiostat(void)
>>  	long t;
>>  	int i, row, _col;
>>  
>> -#define X(fld)	t = cur.fld[i]; cur.fld[i] -= last.fld[i];
>last.fld[i] = t
>> +#define X(fld)	t = cur_dev.fld[i]; cur_dev.fld[i] -=
>last_dev.fld[i]; last_dev.fld[i] = t
>>  	etime = 0;
>>  	for(i = 0; i < CPUSTATES; i++) {
>>  		X(cp_time);
>> -		etime += cur.cp_time[i];
>> +		etime += cur_dev.cp_time[i];
>>  	}
>>  	if (etime == 0.0)
>>  		etime = 1.0;
>> @@ -313,10 +305,10 @@ devstats(int row, int _col, int dn)
>>  
>>  	di = dev_select[dn].position;
>>  
>> -	busy_seconds = cur.snap_time - last.snap_time;
>> +	busy_seconds = cur_dev.snap_time - last_dev.snap_time;
>>  
>> -	if (devstat_compute_statistics(&cur.dinfo->devices[di],
>> -	    &last.dinfo->devices[di], busy_seconds,
>> +	if (devstat_compute_statistics(&cur_dev.dinfo->devices[di],
>> +	    &last_dev.dinfo->devices[di], busy_seconds,
>>  	    DSM_KB_PER_TRANSFER, &kb_per_transfer,
>>  	    DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
>>  	    DSM_MB_PER_SECOND, &mb_per_second, DSM_NONE) != 0)
>> @@ -349,12 +341,12 @@ stat1(int row, int o)
>>  
>>  	dtime = 0.0;
>>  	for (i = 0; i < CPUSTATES; i++)
>> -		dtime += cur.cp_time[i];
>> +		dtime += cur_dev.cp_time[i];
>>  	if (dtime == 0.0)
>>  		dtime = 1.0;
>>  	wmove(wnd, row, INSET);
>>  #define CPUSCALE	0.5
>> -	histogram(100.0 * cur.cp_time[o] / dtime, 50, CPUSCALE);
>> +	histogram(100.0 * cur_dev.cp_time[o] / dtime, 50, CPUSCALE);
>>  }
>>  
>>  static void
>> @@ -388,7 +380,7 @@ cmdiostat(const char *cmd, const char *args)
>>  		numbers = 1;
>>  	else if (prefix(cmd, "bars"))
>>  		numbers = 0;
>> -	else if (!dscmd(cmd, args, 100, &cur))
>> +	else if (!dscmd(cmd, args, 100, &cur_dev))
>>  		return (0);
>>  	wclear(wnd);
>>  	labeliostat();
>> 
>> Modified: head/usr.bin/systat/swap.c
>>
>==============================================================================
>> --- head/usr.bin/systat/swap.c	Tue Apr  2 13:59:04 2019	(r345803)
>> +++ head/usr.bin/systat/swap.c	Tue Apr  2 14:01:03 2019	(r345804)
>> @@ -3,6 +3,7 @@
>>   *
>>   * Copyright (c) 1980, 1992, 1993
>>   *	The Regents of the University of California.  All rights
>reserved.
>> + * Copyright (c) 2017 Yoshihiro Ota
>>   *
>>   * Redistribution and use in source and binary forms, with or
>without
>>   * modification, are permitted provided that the following
>conditions
>> @@ -55,6 +56,7 @@ static const char sccsid[] = "@(#)swap.c	8.3
>(Berkeley
>>  
>>  #include "systat.h"
>>  #include "extern.h"
>> +#include "devs.h"
>>  
>>  kvm_t	*kd;
>>  
>> @@ -137,13 +139,15 @@ initswap(void)
>>  	oulen = ulen;
>>  
>>  	once = 1;
>> +
>> +	dsinit(12);
>> +
>>  	return (1);
>>  }
>>  
>>  void
>>  fetchswap(void)
>>  {
>> -
>>  	okvnsw = kvnsw;
>>  	if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {
>>  		error("systat: kvm_getswapinfo failed");
>> @@ -153,6 +157,15 @@ fetchswap(void)
>>  	odlen = dlen;
>>  	oulen = ulen;
>>  	calclens();
>> +
>> +	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 );
>>  }
>>  
>>  void
>> @@ -178,6 +191,7 @@ labelswap(void)
>>  			name = kvmsw[i].ksw_devname;
>>  		mvwprintw(wnd, i + 1, 0, "%*s", -dlen, name);
>>  	}
>> +	dslabel(12, 0, 18);
>>  }
>>  
>>  void
>> @@ -217,4 +231,5 @@ showswap(void)
>>  			waddch(wnd, 'X');
>>  		wclrtoeol(wnd);
>>  	}
>> +	dsshow(12, 0, 18, &cur_dev, &last_dev);
>>  }
>> 
>> Modified: head/usr.bin/systat/systat.h
>>
>==============================================================================
>> --- head/usr.bin/systat/systat.h	Tue Apr  2 13:59:04 2019	(r345803)
>> +++ head/usr.bin/systat/systat.h	Tue Apr  2 14:01:03 2019	(r345804)
>> @@ -68,3 +68,7 @@ extern int use_kvm;
>>  #define NVAL(indx)  namelist[(indx)].n_value
>>  #define NPTR(indx)  (void *)NVAL((indx))
>>  #define NREAD(indx, buf, len) kvm_ckread(NPTR((indx)), (buf), (len))
>> +
>> +extern void putint(int, int, int, int);
>> +extern void putfloat(double, int, int, int, int, int);
>> +extern void putlongdouble(long double, int, int, int, int, int);
>> 
>> Modified: head/usr.bin/systat/vmstat.c
>>
>==============================================================================
>> --- head/usr.bin/systat/vmstat.c	Tue Apr  2 13:59:04 2019	(r345803)
>> +++ head/usr.bin/systat/vmstat.c	Tue Apr  2 14:01:03 2019	(r345804)
>> @@ -66,7 +66,6 @@ static const char sccsid[] = "@(#)vmstat.c	8.2
>(Berkel
>>  #include <time.h>
>>  #include <unistd.h>
>>  #include <utmpx.h>
>> -#include <devstat.h>
>>  #include "systat.h"
>>  #include "extern.h"
>>  #include "devs.h"
>> @@ -125,7 +124,6 @@ static struct Info {
>>  static u_long kmem_size;
>>  static u_int v_page_count;
>>  
>> -struct statinfo cur, last, run;
>>  
>>  #define	total s.Total
>>  #define	nchtotal s.nchstats
>> @@ -137,13 +135,9 @@ enum divisor { IEC = 0, SI = HN_DIVISOR_1000 };
>>  static void allocinfo(struct Info *);
>>  static void copyinfo(struct Info *, struct Info *);
>>  static float cputime(int);
>> -static void dinfo(int, int, struct statinfo *, struct statinfo *);
>>  static void do_putuint64(uint64_t, int, int, int, int);
>>  static void getinfo(struct Info *);
>> -static void putint(int, int, int, int);
>>  static void putuint64(uint64_t, int, int, int);
>> -static void putfloat(double, int, int, int, int, int);
>> -static void putlongdouble(long double, int, int, int, int, int);
>>  static int ucount(void);
>>  
>>  static	int ncpu;
>> @@ -209,18 +203,9 @@ initkre(void)
>>  	int i;
>>  	size_t sz;
>>  
>> -	if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
>> -		warnx("%s", devstat_errbuf);
>> +	if (dsinit(MAXDRIVES) != 1)
>>  		return(0);
>> -	}
>>  
>> -	cur.dinfo = calloc(1, sizeof(struct devinfo));
>> -	last.dinfo = calloc(1, sizeof(struct devinfo));
>> -	run.dinfo = calloc(1, sizeof(struct devinfo));
>> -
>> -	if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
>> -		return(0);
>> -
>>  	if (nintr == 0) {
>>  		if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) {
>>  			error("sysctl(hw.intrcnt...) failed: %s",
>> @@ -371,27 +356,7 @@ labelkre(void)
>>  	mvprintw(NAMEIROW, NAMEICOL, "Namei     Name-cache   Dir-cache");
>>  	mvprintw(NAMEIROW + 1, NAMEICOL,
>>  		"   Calls    hits   %%    hits   %%");
>> -	mvprintw(DISKROW, DISKCOL, "Disks");
>> -	mvprintw(DISKROW + 1, DISKCOL, "KB/t");
>> -	mvprintw(DISKROW + 2, DISKCOL, "tps");
>> -	mvprintw(DISKROW + 3, DISKCOL, "MB/s");
>> -	mvprintw(DISKROW + 4, DISKCOL, "%%busy");
>> -	/*
>> -	 * For now, we don't support a fourth disk statistic.  So there's
>> -	 * no point in providing a label for it.  If someone can think of a
>> -	 * fourth useful disk statistic, there is room to add it.
>> -	 */
>> -	/* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
>> -	j = 0;
>> -	for (i = 0; i < num_devices && j < MAXDRIVES; i++)
>> -		if (dev_select[i].selected) {
>> -			char tmpstr[80];
>> -			sprintf(tmpstr, "%s%d", dev_select[i].device_name,
>> -				dev_select[i].unit_number);
>> -			mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
>> -				" %5.5s", tmpstr);
>> -			j++;
>> -		}
>> +	dslabel(MAXDRIVES, DISKCOL, DISKROW);
>>  
>>  	for (i = 0; i < nintr; i++) {
>>  		if (intrloc[i] == 0)
>> @@ -401,7 +366,7 @@ labelkre(void)
>>  }
>>  
>>  #define X(fld)	{t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME)
>s1.fld[i]=t;}
>> -#define Q(fld)	{t=cur.fld[i]; cur.fld[i]-=last.fld[i];
>if(state==TIME) last.fld[i]=t;}
>> +#define Q(fld)	{t=cur_dev.fld[i]; cur_dev.fld[i]-=last_dev.fld[i];
>if(state==TIME) last_dev.fld[i]=t;}
>>  #define Y(fld)	{t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld
>= t;}
>>  #define Z(fld)	{t = s.nchstats.fld; s.nchstats.fld -=
>s1.nchstats.fld; \
>>  	if(state == TIME) s1.nchstats.fld = t;}
>> @@ -543,20 +508,17 @@ showkre(void)
>>  	PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4);
>>  	PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4);
>>  	PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4);
>> -	for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
>> -		if (dev_select[i].selected) {
>> -			switch(state) {
>> -			case TIME:
>> -				dinfo(i, ++lc, &cur, &last);
>> -				break;
>> -			case RUN:
>> -				dinfo(i, ++lc, &cur, &run);
>> -				break;
>> -			case BOOT:
>> -				dinfo(i, ++lc, &cur, NULL);
>> -				break;
>> -			}
>> -		}
>> +	switch(state) {
>> +	case TIME:
>> +		dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, &last_dev);
>> +		break;
>> +	case RUN:
>> +		dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, &run_dev);
>> +		break;
>> +	case BOOT:
>> +		dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, NULL);
>> +		break;
>> +	}
>>  	putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7);
>>  	putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7);
>>  	putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7);
>> @@ -582,14 +544,14 @@ cmdkre(const char *cmd, const char *args)
>>  	if (prefix(cmd, "run")) {
>>  		retval = 1;
>>  		copyinfo(&s2, &s1);
>> -		switch (devstat_getdevs(NULL, &run)) {
>> +		switch (devstat_getdevs(NULL, &run_dev)) {
>>  		case -1:
>>  			errx(1, "%s", devstat_errbuf);
>>  			break;
>>  		case 1:
>> -			num_devices = run.dinfo->numdevs;
>> -			generation = run.dinfo->generation;
>> -			retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
>> +			num_devices = run_dev.dinfo->numdevs;
>> +			generation = run_dev.dinfo->generation;
>> +			retval = dscmd("refresh", NULL, MAXDRIVES, &cur_dev);
>>  			if (retval == 2)
>>  				labelkre();
>>  			break;
>> @@ -612,14 +574,14 @@ cmdkre(const char *cmd, const char *args)
>>  		retval = 1;
>>  		if (state == RUN) {
>>  			getinfo(&s1);
>> -			switch (devstat_getdevs(NULL, &run)) {
>> +			switch (devstat_getdevs(NULL, &run_dev)) {
>>  			case -1:
>>  				errx(1, "%s", devstat_errbuf);
>>  				break;
>>  			case 1:
>> -				num_devices = run.dinfo->numdevs;
>> -				generation = run.dinfo->generation;
>> -				retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
>> +				num_devices = run_dev.dinfo->numdevs;
>> +				generation = run_dev.dinfo->generation;
>> +				retval = dscmd("refresh",NULL, MAXDRIVES, &cur_dev);
>>  				if (retval == 2)
>>  					labelkre();
>>  				break;
>> @@ -629,7 +591,7 @@ cmdkre(const char *cmd, const char *args)
>>  		}
>>  		return (retval);
>>  	}
>> -	retval = dscmd(cmd, args, MAXDRIVES, &cur);
>> +	retval = dscmd(cmd, args, MAXDRIVES, &cur_dev);
>>  
>>  	if (retval == 2)
>>  		labelkre();
>> @@ -667,7 +629,7 @@ cputime(int indx)
>>  	return (s.time[indx] * 100.0 / lt);
>>  }
>>  
>> -static void
>> +void
>>  putint(int n, int l, int lc, int w)
>>  {
>>  
>> @@ -713,7 +675,7 @@ do_putuint64(uint64_t n, int l, int lc, int w,
>int div
>>  	addstr(b);
>>  }
>>  
>> -static void
>> +void
>>  putfloat(double f, int l, int lc, int w, int d, int nz)
>>  {
>>  	int snr;
>> @@ -745,7 +707,7 @@ putfloat(double f, int l, int lc, int w, int d,
>int nz
>>  	addstr(b);
>>  }
>>  
>> -static void
>> +void
>>  putlongdouble(long double f, int l, int lc, int w, int d, int nz)
>>  {
>>  	int snr;
>> @@ -785,7 +747,7 @@ getinfo(struct Info *ls)
>>  	int mib[2];
>>  
>>  	GETSYSCTL("kern.cp_time", ls->time);
>> -	GETSYSCTL("kern.cp_time", cur.cp_time);
>> +	GETSYSCTL("kern.cp_time", cur_dev.cp_time);
>>  	GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);
>>  	GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap);
>>  	GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall);
>> @@ -838,23 +800,12 @@ getinfo(struct Info *ls)
>>  	    size != sizeof(ncpu))
>>  		ncpu = 1;
>>  
>> -	tmp_dinfo = last.dinfo;
>> -	last.dinfo = cur.dinfo;
>> -	cur.dinfo = tmp_dinfo;
>> +	tmp_dinfo = last_dev.dinfo;
>> +	last_dev.dinfo = cur_dev.dinfo;
>> +	cur_dev.dinfo = tmp_dinfo;
>>  
>> -	last.snap_time = cur.snap_time;
>> -	switch (devstat_getdevs(NULL, &cur)) {
>> -	case -1:
>> -		errx(1, "%s", devstat_errbuf);
>> -		break;
>> -	case 1:
>> -		num_devices = cur.dinfo->numdevs;
>> -		generation = cur.dinfo->generation;
>> -		cmdkre("refresh", NULL);
>> -		break;
>> -	default:
>> -		break;
>> -	}
>> +	last_dev.snap_time = cur_dev.snap_time;
>> +	dsgetinfo(&cur_dev);
>>  }
>>  
>>  static void
>> @@ -880,39 +831,4 @@ copyinfo(struct Info *from, struct Info *to)
>>  	*to = *from;
>>  
>>  	bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
>> -}
>> -
>> -static void
>> -dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
>> -{
>> -	long double transfers_per_second;
>> -	long double kb_per_transfer, mb_per_second;
>> -	long double elapsed_time, device_busy;
>> -	int di;
>> -
>> -	di = dev_select[dn].position;
>> -
>> -	if (then != NULL) {
>> -		/* Calculate relative to previous sample */
>> -		elapsed_time = now->snap_time - then->snap_time;
>> -	} else {
>> -		/* Calculate relative to device creation */
>> -		elapsed_time = now->snap_time - devstat_compute_etime(
>> -		    &now->dinfo->devices[di].creation_time, NULL);
>> -	}
>> -
>> -	if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
>> -	    &then->dinfo->devices[di] : NULL, elapsed_time,
>> -	    DSM_KB_PER_TRANSFER, &kb_per_transfer,
>> -	    DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
>> -	    DSM_MB_PER_SECOND, &mb_per_second,
>> -	    DSM_BUSY_PCT, &device_busy,
>> -	    DSM_NONE) != 0)
>> -		errx(1, "%s", devstat_errbuf);
>> -
>> -	lc = DISKCOL + lc * 6;
>> -	putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
>> -	putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0);
>> -	putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0);
>> -	putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0);
>>  }
>> 
>> Modified: head/usr.bin/systat/zarc.c
>>
>==============================================================================
>> --- head/usr.bin/systat/zarc.c	Tue Apr  2 13:59:04 2019	(r345803)
>> +++ head/usr.bin/systat/zarc.c	Tue Apr  2 14:01:03 2019	(r345804)
>> @@ -1,6 +1,5 @@
>>  /*-
>> - * Copyright (c) 2014
>> - *	The Regents of the University of California.  All rights
>reserved.
>> + * 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
>> @@ -33,11 +32,14 @@ __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;
>> @@ -77,21 +79,23 @@ closezarc(WINDOW *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(row, str) mvwprintw(wnd, row, 5, str); \
>> +#define L(str) mvwprintw(wnd, row, 5, #str); \
>>  	mvwprintw(wnd, row, 31, ":"); \
>> -	mvwprintw(wnd, row, 31+4, "%%")
>> -	L(1, "arcstats");
>> -	L(2, "arcstats.demand_data");
>> -	L(3, "arcstats.demand_metadata");
>> -	L(4, "arcstats.prefetch_data");
>> -	L(5, "arcstats.prefetch_metadata");
>> -	L(6, "zfetchstats");
>> -	L(7, "arcstats.l2");
>> -	L(8, "vdev_cache_stats");
>> +	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)
>> @@ -131,6 +135,7 @@ domode(struct zarcstats *delta, struct zarcstats
>*rate
>>  void
>>  showzarc(void)
>>  {
>> +	int row = 1;
>>  	struct zarcstats delta, rate;
>>  
>>  	memset(&delta, 0, sizeof delta);
>> @@ -138,34 +143,37 @@ showzarc(void)
>>  
>>  	domode(&delta, &rate);
>>  
>> -#define DO(stat, row, col, fmt) \
>> +#define DO(stat, col, fmt) \
>>  	mvwprintw(wnd, row, col, fmt, stat)
>> -#define	R(row, stat) DO(rate.hits.stat, row, 31+1, "%3"PRIu64)
>> -#define	H(row, stat) DO(delta.hits.stat, row, 31+1+5, "%7"PRIu64); \
>> -	DO(curstat.hits.stat, row, 31+1+5+8+8, "%12"PRIu64)
>> -#define	M(row, stat) DO(delta.misses.stat, row, 31+1+5+8,
>"%7"PRIu64); \
>> -	DO(curstat.misses.stat, row, 31+1+5+8+8+13, "%12"PRIu64)
>> -#define	E(row, stat) R(row, stat); H(row, stat); M(row, stat); 
>> -	E(1, arcstats);
>> -	E(2, arcstats_demand_data);
>> -	E(3, arcstats_demand_metadata);
>> -	E(4, arcstats_prefetch_data);
>> -	E(5, arcstats_prefetch_metadata);
>> -	E(6, zfetchstats);
>> -	E(7, arcstats_l2);
>> -	E(8, vdev_cache_stats);
>> +#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;
>>  }
>>  
>> @@ -178,6 +186,15 @@ resetzarc(void)
>>  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 )
>> 
>> 

Gruß
--- 
Michael


More information about the svn-src-all mailing list