diff options
Diffstat (limited to 'usr.bin/vmstat')
| -rw-r--r-- | usr.bin/vmstat/Makefile | 11 | ||||
| -rw-r--r-- | usr.bin/vmstat/vmstat.8 | 357 | ||||
| -rw-r--r-- | usr.bin/vmstat/vmstat.c | 1353 |
3 files changed, 1721 insertions, 0 deletions
diff --git a/usr.bin/vmstat/Makefile b/usr.bin/vmstat/Makefile new file mode 100644 index 0000000..d413d25 --- /dev/null +++ b/usr.bin/vmstat/Makefile @@ -0,0 +1,11 @@ +# @(#)Makefile 8.1 (Berkeley) 6/6/93 +# $FreeBSD$ + +PROG= vmstat +MAN= vmstat.8 +DPADD= ${LIBDEVSTAT} ${LIBKVM} ${LIBMEMSTAT} ${LIBUTIL} +LDADD= -ldevstat -lkvm -lmemstat -lutil + +WARNS?= 1 + +.include <bsd.prog.mk> diff --git a/usr.bin/vmstat/vmstat.8 b/usr.bin/vmstat/vmstat.8 new file mode 100644 index 0000000..f04cc42 --- /dev/null +++ b/usr.bin/vmstat/vmstat.8 @@ -0,0 +1,357 @@ +.\" Copyright (c) 1986, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" 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. +.\" 4. 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. +.\" +.\" @(#)vmstat.8 8.1 (Berkeley) 6/6/93 +.\" $FreeBSD$ +.\" +.Dd October 21, 2006 +.Dt VMSTAT 8 +.Os +.Sh NAME +.Nm vmstat +.Nd report virtual memory statistics +.Sh SYNOPSIS +.Nm +.\" .Op Fl fimst +.Op Fl afHhimPsz +.Op Fl c Ar count +.Op Fl M Ar core Op Fl N Ar system +.Op Fl w Ar wait +.Op Fl n Ar devs +.Oo +.Fl p +.Sm off +.Ar type , if , pass +.Sm on +.Oc +.Op Ar disks +.Sh DESCRIPTION +The +.Nm +utility reports certain kernel statistics kept about process, virtual memory, +disk, trap and cpu activity. +.Pp +If the +.Fl M +option is not specified, information is obtained from +the currently running kernel via the +.Xr sysctl 3 +interface. +Otherwise, information is read from the specified core file, +using the name list from the specified kernel image (or from +the default image). +.Pp +The options are as follows: +.Bl -tag -width indent +.It Fl a +When used with +.Fl i , +include statistics about interrupts that have never been generated. +.It Fl c +Repeat the display +.Ar count +times. +The first display is for the time since a reboot and each subsequent +report is for the time period since the last display. +If no repeat +.Ar count +is specified, and +.Fl w +is specified, the default is infinity, otherwise the default is one. +.It Fl f +Report on the number +.Xr fork 2 , +.Xr vfork 2 +and +.Xr rfork 2 +system calls since system startup, and the number of pages of virtual memory +involved in each. +.It Fl h +Changes memory columns into more easily human readable form. Default if +standard output is a terminal device. +.It Fl H +Changes memory columns into straight numbers. Default if standard output +is not a terminal device (such as a script). +.It Fl i +Report on the number of interrupts taken by each device since system +startup. +.It Fl M +Extract values associated with the name list from the specified +.Ar core . +.It Fl N +If +.Fl M +is also specified, +extract the name list from the specified +.Ar system +instead of the default, +which is the kernel image the system has booted from. +.It Fl m +Report on the usage of kernel dynamic memory allocated using +.Xr malloc 9 +by type. +.It Fl n +Change the maximum number of disks to display from the default of 2. +.It Fl P +Report per-cpu system/user/idle cpu statistics. +.It Fl p +Specify which types of devices to display. +There are three different +categories of devices: +.Pp +.Bl -tag -width indent -compact +.It device type: +.Bl -tag -width 9n -compact +.It da +Direct Access devices +.It sa +Sequential Access devices +.It printer +Printers +.It proc +Processor devices +.It worm +Write Once Read Multiple devices +.It cd +CD devices +.It scanner +Scanner devices +.It optical +Optical Memory devices +.It changer +Medium Changer devices +.It comm +Communication devices +.It array +Storage Array devices +.It enclosure +Enclosure Services devices +.It floppy +Floppy devices +.El +.Pp +.It interface: +.Bl -tag -width 9n -compact +.It IDE +Integrated Drive Electronics devices +.It SCSI +Small Computer System Interface devices +.It other +Any other device interface +.El +.Pp +.It passthrough: +.Bl -tag -width 9n -compact +.It pass +Passthrough devices +.El +.El +.Pp +The user must specify at least one device type, and may specify at most +one device type from each category. +Multiple device types in a single +device type statement must be separated by commas. +.Pp +Any number of +.Fl p +arguments may be specified on the command line. +All +.Fl p +arguments are ORed together to form a matching expression against which +all devices in the system are compared. +Any device that fully matches +any +.Fl p +argument will be included in the +.Nm +output, up to two devices, or the maximum number of devices specified +by the user. +.It Fl s +Display the contents of the +.Em sum +structure, giving the total number of several kinds of paging related +events which have occurred since system startup. +.\" .It Fl t +.\" Report on the number of page in and page reclaims since system startup, +.\" and the amount of time required by each. +.It Fl w +Pause +.Ar wait +seconds between each display. +If no repeat +.Ar wait +interval is specified, the default is 1 second. +The +.Nm +command will accept and honor a non-integer number of seconds. +.It Fl z +Report on memory used by the kernel zone allocator, +.Xr uma 9 , +by zone. +.El +.Pp +By default, +.Nm +displays the following information: +.Bl -tag -width indent +.It procs +Information about the numbers of processes in various states. +.Pp +.Bl -tag -width indent -compact +.It r +in run queue +.It b +blocked for resources (i/o, paging, etc.) +.It w +runnable or short sleeper (< 20 secs) but swapped +.El +.It memory +Information about the usage of virtual and real memory. +Virtual pages (reported in units of 1024 bytes) are considered active if +they belong to processes which are running or have run in the last 20 +seconds. +.Pp +.Bl -tag -width indent -compact +.It avm +active virtual pages +.It fre +size of the free list +.El +.It page +Information about page faults and paging activity. +These are averaged each five seconds, and given in units per second. +.Pp +.Bl -tag -width indent -compact +.It flt +total number of page faults +.It re +page reclaims (simulating reference bits) +.\" .It at +.\" pages attached (found in free list) +.It pi +pages paged in +.It po +pages paged out +.It fr +pages freed per second +.\" .It de +.\" anticipated short term memory shortfall +.It sr +pages scanned by clock algorithm, per-second +.El +.It disks +Disk operations per second (this field is system dependent). +Typically paging will be split across the available drives. +The header of the field is the first two characters of the disk name and +the unit number. +If more than two disk drives are configured in the system, +.Nm +displays only the first two drives, unless the user specifies the +.Fl n +argument to increase the number of drives displayed. +This will probably +cause the display to exceed 80 columns, however. +To force +.Nm +to display specific drives, their names may be supplied on the command line. +The +.Nm +utility +defaults to show disks first, and then various other random devices in the +system to add up to two devices, if there are that many devices in the +system. +If devices are specified on the command line, or if a device type +matching pattern is specified (see above), +.Nm +will only display the given devices or the devices matching the pattern, +and will not randomly select other devices in the system. +.It faults +Trap/interrupt rate averages per second over last 5 seconds. +.Pp +.Bl -tag -width indent -compact +.It in +device interrupts per interval (including clock interrupts) +.It sy +system calls per interval +.It cs +cpu context switch rate (switches/interval) +.El +.It cpu +Breakdown of percentage usage of CPU time. +.Pp +.Bl -tag -width indent -compact +.It us +user time for normal and low priority processes +.It sy +system time +.It id +cpu idle +.El +.El +.Sh FILES +.Bl -tag -width /boot/kernel/kernel -compact +.It Pa /boot/kernel/kernel +default kernel namelist +.It Pa /dev/kmem +default memory file +.El +.Sh EXAMPLES +The command: +.Dl vmstat -w 5 +will print what the system is doing every five +seconds; this is a good choice of printing interval since this is how often +some of the statistics are sampled in the system. +Others vary every second and running the output for a while will make it +apparent which are recomputed every second. +.Pp +The command: +.Dl vmstat -p da -p cd -w 1 +will tell vmstat to select the first two direct access or CDROM devices +and display statistics on those devices, as well as other systems +statistics every second. +.Sh SEE ALSO +.Xr fstat 1 , +.Xr netstat 1 , +.Xr nfsstat 1 , +.Xr ps 1 , +.Xr systat 1 , +.Xr libmemstat 3 , +.Xr gstat 8 , +.Xr iostat 8 , +.Xr pstat 8 , +.Xr sysctl 8 , +.Xr malloc 9 , +.Xr uma 9 +.Pp +The sections starting with ``Interpreting system activity'' in +.%T "Installing and Operating 4.3BSD" . +.Sh BUGS +The +.Fl c +and +.Fl w +options are only available with the default output. diff --git a/usr.bin/vmstat/vmstat.c b/usr.bin/vmstat/vmstat.c new file mode 100644 index 0000000..fe3a29c --- /dev/null +++ b/usr.bin/vmstat/vmstat.c @@ -0,0 +1,1353 @@ +/* + * Copyright (c) 1980, 1986, 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 4. 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. + */ + +#ifndef lint +static const char copyright[] = +"@(#) Copyright (c) 1980, 1986, 1991, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#if 0 +#ifndef lint +static char sccsid[] = "@(#)vmstat.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ +#endif + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/proc.h> +#include <sys/uio.h> +#include <sys/namei.h> +#include <sys/malloc.h> +#include <sys/signal.h> +#include <sys/fcntl.h> +#include <sys/ioctl.h> +#include <sys/resource.h> +#include <sys/sysctl.h> +#include <sys/time.h> +#include <sys/vmmeter.h> +#include <sys/pcpu.h> + +#include <vm/vm_param.h> + +#include <ctype.h> +#include <devstat.h> +#include <err.h> +#include <errno.h> +#include <inttypes.h> +#include <kvm.h> +#include <limits.h> +#include <memstat.h> +#include <nlist.h> +#include <paths.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <time.h> +#include <unistd.h> +#include <libutil.h> + +static char da[] = "da"; + +static struct nlist namelist[] = { +#define X_SUM 0 + { "_cnt" }, +#define X_HZ 1 + { "_hz" }, +#define X_STATHZ 2 + { "_stathz" }, +#define X_NCHSTATS 3 + { "_nchstats" }, +#define X_INTRNAMES 4 + { "_intrnames" }, +#define X_SINTRNAMES 5 + { "_sintrnames" }, +#define X_INTRCNT 6 + { "_intrcnt" }, +#define X_SINTRCNT 7 + { "_sintrcnt" }, +#ifdef notyet +#define X_DEFICIT XXX + { "_deficit" }, +#define X_REC XXX + { "_rectime" }, +#define X_PGIN XXX + { "_pgintime" }, +#define X_XSTATS XXX + { "_xstats" }, +#define X_END XXX +#else +#define X_END 8 +#endif + { "" }, +}; + +static struct statinfo cur, last; +static int num_devices, maxshowdevs; +static long generation; +static struct device_selection *dev_select; +static int num_selected; +static struct devstat_match *matches; +static int num_matches = 0; +static int num_devices_specified, num_selections; +static long select_generation; +static char **specified_devices; +static devstat_select_mode select_mode; + +static struct vmmeter sum, osum; + +#define VMSTAT_DEFAULT_LINES 20 /* Default number of `winlines'. */ +volatile sig_atomic_t wresized; /* Tty resized, when non-zero. */ +static int winlines = VMSTAT_DEFAULT_LINES; /* Current number of tty rows. */ + +static int aflag; +static int nflag; +static int Pflag; +static int hflag; + +static kvm_t *kd; + +#define FORKSTAT 0x01 +#define INTRSTAT 0x02 +#define MEMSTAT 0x04 +#define SUMSTAT 0x08 +#define TIMESTAT 0x10 +#define VMSTAT 0x20 +#define ZMEMSTAT 0x40 + +static void cpustats(void); +static void pcpustats(int, u_long, int); +static void devstats(void); +static void doforkst(void); +static void dointr(void); +static void dosum(void); +static void dovmstat(unsigned int, int); +static void domemstat_malloc(void); +static void domemstat_zone(void); +static void kread(int, void *, size_t); +static void kreado(int, void *, size_t, size_t); +static char *kgetstr(const char *); +static void needhdr(int); +static void needresize(int); +static void doresize(void); +static void printhdr(int, u_long); +static void usage(void); + +static long pct(long, long); +static long getuptime(void); + +static char **getdrivedata(char **); + +int +main(int argc, char *argv[]) +{ + int c, todo; + unsigned int interval; + float f; + int reps; + char *memf, *nlistf; + char errbuf[_POSIX2_LINE_MAX]; + + memf = nlistf = NULL; + interval = reps = todo = 0; + maxshowdevs = 2; + hflag = isatty(1); + while ((c = getopt(argc, argv, "ac:fhHiM:mN:n:Pp:stw:z")) != -1) { + switch (c) { + case 'a': + aflag++; + break; + case 'c': + reps = atoi(optarg); + break; + case 'P': + Pflag++; + break; + case 'f': + todo |= FORKSTAT; + break; + case 'h': + hflag = 1; + break; + case 'H': + hflag = 0; + break; + case 'i': + todo |= INTRSTAT; + break; + case 'M': + memf = optarg; + break; + case 'm': + todo |= MEMSTAT; + break; + case 'N': + nlistf = optarg; + break; + case 'n': + nflag = 1; + maxshowdevs = atoi(optarg); + if (maxshowdevs < 0) + errx(1, "number of devices %d is < 0", + maxshowdevs); + break; + case 'p': + if (devstat_buildmatch(optarg, &matches, &num_matches) != 0) + errx(1, "%s", devstat_errbuf); + break; + case 's': + todo |= SUMSTAT; + break; + case 't': +#ifdef notyet + todo |= TIMESTAT; +#else + errx(EX_USAGE, "sorry, -t is not (re)implemented yet"); +#endif + break; + case 'w': + /* Convert to milliseconds. */ + f = atof(optarg); + interval = f * 1000; + break; + case 'z': + todo |= ZMEMSTAT; + break; + case '?': + default: + usage(); + } + } + argc -= optind; + argv += optind; + + if (todo == 0) + todo = VMSTAT; + + if (memf != NULL) { + kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); + if (kd == NULL) + errx(1, "kvm_openfiles: %s", errbuf); + } + + if (kd != NULL && (c = kvm_nlist(kd, namelist)) != 0) { + if (c > 0) { + warnx("undefined symbols:"); + for (c = 0; + c < (int)(sizeof(namelist)/sizeof(namelist[0])); + c++) + if (namelist[c].n_type == 0) + (void)fprintf(stderr, " %s", + namelist[c].n_name); + (void)fputc('\n', stderr); + } else + warnx("kvm_nlist: %s", kvm_geterr(kd)); + exit(1); + } + if (kd && Pflag) + errx(1, "Cannot use -P with crash dumps"); + + if (todo & VMSTAT) { + /* + * Make sure that the userland devstat version matches the + * kernel devstat version. If not, exit and print a + * message informing the user of his mistake. + */ + if (devstat_checkversion(NULL) < 0) + errx(1, "%s", devstat_errbuf); + + + argv = getdrivedata(argv); + } + +#define BACKWARD_COMPATIBILITY +#ifdef BACKWARD_COMPATIBILITY + if (*argv) { + f = atof(*argv); + interval = f * 1000; + if (*++argv) + reps = atoi(*argv); + } +#endif + + if (interval) { + if (!reps) + reps = -1; + } else if (reps) + interval = 1 * 1000; + + if (todo & FORKSTAT) + doforkst(); + if (todo & MEMSTAT) + domemstat_malloc(); + if (todo & ZMEMSTAT) + domemstat_zone(); + if (todo & SUMSTAT) + dosum(); +#ifdef notyet + if (todo & TIMESTAT) + dotimes(); +#endif + if (todo & INTRSTAT) + dointr(); + if (todo & VMSTAT) + dovmstat(interval, reps); + exit(0); +} + +static int +mysysctl(const char *name, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int error; + + error = sysctlbyname(name, oldp, oldlenp, newp, newlen); + if (error != 0 && errno != ENOMEM) + err(1, "sysctl(%s)", name); + return (error); +} + +static char ** +getdrivedata(char **argv) +{ + if ((num_devices = devstat_getnumdevs(NULL)) < 0) + errx(1, "%s", devstat_errbuf); + + cur.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); + last.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); + + if (devstat_getdevs(NULL, &cur) == -1) + errx(1, "%s", devstat_errbuf); + + num_devices = cur.dinfo->numdevs; + generation = cur.dinfo->generation; + + specified_devices = (char **)malloc(sizeof(char *)); + for (num_devices_specified = 0; *argv; ++argv) { + if (isdigit(**argv)) + break; + num_devices_specified++; + specified_devices = (char **)realloc(specified_devices, + sizeof(char *) * + num_devices_specified); + specified_devices[num_devices_specified - 1] = *argv; + } + dev_select = NULL; + + if (nflag == 0 && maxshowdevs < num_devices_specified) + maxshowdevs = num_devices_specified; + + /* + * People are generally only interested in disk statistics when + * they're running vmstat. So, that's what we're going to give + * them if they don't specify anything by default. We'll also give + * them any other random devices in the system so that we get to + * maxshowdevs devices, if that many devices exist. If the user + * specifies devices on the command line, either through a pattern + * match or by naming them explicitly, we will give the user only + * those devices. + */ + if ((num_devices_specified == 0) && (num_matches == 0)) { + if (devstat_buildmatch(da, &matches, &num_matches) != 0) + errx(1, "%s", devstat_errbuf); + + select_mode = DS_SELECT_ADD; + } else + select_mode = DS_SELECT_ONLY; + + /* + * At this point, selectdevs will almost surely indicate that the + * device list has changed, so we don't look for return values of 0 + * or 1. If we get back -1, though, there is an error. + */ + if (devstat_selectdevs(&dev_select, &num_selected, &num_selections, + &select_generation, generation, cur.dinfo->devices, + num_devices, matches, num_matches, specified_devices, + num_devices_specified, select_mode, + maxshowdevs, 0) == -1) + errx(1, "%s", devstat_errbuf); + + return(argv); +} + +static long +getuptime(void) +{ + struct timespec sp; + + (void)clock_gettime(CLOCK_MONOTONIC, &sp); + + return(sp.tv_sec); +} + +static void +fill_pcpu(struct pcpu ***pcpup, int* maxcpup) +{ + struct pcpu **pcpu; + + int maxcpu, i; + + *pcpup = NULL; + + if (kd == NULL) + return; + + maxcpu = kvm_getmaxcpu(kd); + if (maxcpu < 0) + errx(1, "kvm_getmaxcpu: %s", kvm_geterr(kd)); + + pcpu = calloc(maxcpu, sizeof(struct pcpu *)); + if (pcpu == NULL) + err(1, "calloc"); + + for (i = 0; i < maxcpu; i++) { + pcpu[i] = kvm_getpcpu(kd, i); + if (pcpu[i] == (struct pcpu *)-1) + errx(1, "kvm_getpcpu: %s", kvm_geterr(kd)); + } + + *maxcpup = maxcpu; + *pcpup = pcpu; +} + +static void +free_pcpu(struct pcpu **pcpu, int maxcpu) +{ + int i; + + for (i = 0; i < maxcpu; i++) + free(pcpu[i]); + free(pcpu); +} + +static void +fill_vmmeter(struct vmmeter *vmmp) +{ + struct pcpu **pcpu; + int maxcpu, i; + + if (kd != NULL) { + kread(X_SUM, vmmp, sizeof(*vmmp)); + fill_pcpu(&pcpu, &maxcpu); + for (i = 0; i < maxcpu; i++) { + if (pcpu[i] == NULL) + continue; +#define ADD_FROM_PCPU(i, name) \ + vmmp->name += pcpu[i]->pc_cnt.name + ADD_FROM_PCPU(i, v_swtch); + ADD_FROM_PCPU(i, v_trap); + ADD_FROM_PCPU(i, v_syscall); + ADD_FROM_PCPU(i, v_intr); + ADD_FROM_PCPU(i, v_soft); + ADD_FROM_PCPU(i, v_vm_faults); + ADD_FROM_PCPU(i, v_cow_faults); + ADD_FROM_PCPU(i, v_cow_optim); + ADD_FROM_PCPU(i, v_zfod); + ADD_FROM_PCPU(i, v_ozfod); + ADD_FROM_PCPU(i, v_swapin); + ADD_FROM_PCPU(i, v_swapout); + ADD_FROM_PCPU(i, v_swappgsin); + ADD_FROM_PCPU(i, v_swappgsout); + ADD_FROM_PCPU(i, v_vnodein); + ADD_FROM_PCPU(i, v_vnodeout); + ADD_FROM_PCPU(i, v_vnodepgsin); + ADD_FROM_PCPU(i, v_vnodepgsout); + ADD_FROM_PCPU(i, v_intrans); + ADD_FROM_PCPU(i, v_tfree); + ADD_FROM_PCPU(i, v_forks); + ADD_FROM_PCPU(i, v_vforks); + ADD_FROM_PCPU(i, v_rforks); + ADD_FROM_PCPU(i, v_kthreads); + ADD_FROM_PCPU(i, v_forkpages); + ADD_FROM_PCPU(i, v_vforkpages); + ADD_FROM_PCPU(i, v_rforkpages); + ADD_FROM_PCPU(i, v_kthreadpages); +#undef ADD_FROM_PCPU + } + free_pcpu(pcpu, maxcpu); + } else { + size_t size = sizeof(unsigned int); +#define GET_VM_STATS(cat, name) \ + mysysctl("vm.stats." #cat "." #name, &vmmp->name, &size, NULL, 0) + /* sys */ + GET_VM_STATS(sys, v_swtch); + GET_VM_STATS(sys, v_trap); + GET_VM_STATS(sys, v_syscall); + GET_VM_STATS(sys, v_intr); + GET_VM_STATS(sys, v_soft); + + /* vm */ + GET_VM_STATS(vm, v_vm_faults); + GET_VM_STATS(vm, v_cow_faults); + GET_VM_STATS(vm, v_cow_optim); + GET_VM_STATS(vm, v_zfod); + GET_VM_STATS(vm, v_ozfod); + GET_VM_STATS(vm, v_swapin); + GET_VM_STATS(vm, v_swapout); + GET_VM_STATS(vm, v_swappgsin); + GET_VM_STATS(vm, v_swappgsout); + GET_VM_STATS(vm, v_vnodein); + GET_VM_STATS(vm, v_vnodeout); + GET_VM_STATS(vm, v_vnodepgsin); + GET_VM_STATS(vm, v_vnodepgsout); + GET_VM_STATS(vm, v_intrans); + GET_VM_STATS(vm, v_reactivated); + GET_VM_STATS(vm, v_pdwakeups); + GET_VM_STATS(vm, v_pdpages); + GET_VM_STATS(vm, v_tcached); + GET_VM_STATS(vm, v_dfree); + GET_VM_STATS(vm, v_pfree); + GET_VM_STATS(vm, v_tfree); + GET_VM_STATS(vm, v_page_size); + GET_VM_STATS(vm, v_page_count); + GET_VM_STATS(vm, v_free_reserved); + GET_VM_STATS(vm, v_free_target); + GET_VM_STATS(vm, v_free_min); + GET_VM_STATS(vm, v_free_count); + GET_VM_STATS(vm, v_wire_count); + GET_VM_STATS(vm, v_active_count); + GET_VM_STATS(vm, v_inactive_target); + GET_VM_STATS(vm, v_inactive_count); + GET_VM_STATS(vm, v_cache_count); + GET_VM_STATS(vm, v_cache_min); + GET_VM_STATS(vm, v_cache_max); + GET_VM_STATS(vm, v_pageout_free_min); + GET_VM_STATS(vm, v_interrupt_free_min); + /*GET_VM_STATS(vm, v_free_severe);*/ + GET_VM_STATS(vm, v_forks); + GET_VM_STATS(vm, v_vforks); + GET_VM_STATS(vm, v_rforks); + GET_VM_STATS(vm, v_kthreads); + GET_VM_STATS(vm, v_forkpages); + GET_VM_STATS(vm, v_vforkpages); + GET_VM_STATS(vm, v_rforkpages); + GET_VM_STATS(vm, v_kthreadpages); +#undef GET_VM_STATS + } +} + +static void +fill_vmtotal(struct vmtotal *vmtp) +{ + if (kd != NULL) { + /* XXX fill vmtp */ + errx(1, "not implemented"); + } else { + size_t size = sizeof(*vmtp); + mysysctl("vm.vmtotal", vmtp, &size, NULL, 0); + if (size != sizeof(*vmtp)) + errx(1, "vm.total size mismatch"); + } +} + +/* Determine how many cpu columns, and what index they are in kern.cp_times */ +static int +getcpuinfo(u_long *maskp, int *maxidp) +{ + int maxcpu; + int maxid; + int ncpus; + int i, j; + int empty; + size_t size; + long *times; + u_long mask; + + if (kd != NULL) + errx(1, "not implemented"); + mask = 0; + ncpus = 0; + size = sizeof(maxcpu); + mysysctl("kern.smp.maxcpus", &maxcpu, &size, NULL, 0); + if (size != sizeof(maxcpu)) + errx(1, "sysctl kern.smp.maxcpus"); + size = sizeof(long) * maxcpu * CPUSTATES; + times = malloc(size); + if (times == NULL) + err(1, "malloc %zd bytes", size); + mysysctl("kern.cp_times", times, &size, NULL, 0); + maxid = (size / CPUSTATES / sizeof(long)) - 1; + for (i = 0; i <= maxid; i++) { + empty = 1; + for (j = 0; empty && j < CPUSTATES; j++) { + if (times[i * CPUSTATES + j] != 0) + empty = 0; + } + if (!empty) { + mask |= (1ul << i); + ncpus++; + } + } + if (maskp) + *maskp = mask; + if (maxidp) + *maxidp = maxid; + return (ncpus); +} + + +static void +prthuman(u_int64_t val, int size) +{ + char buf[10]; + int flags; + + if (size < 5 || size > 9) + errx(1, "doofus"); + flags = HN_B | HN_NOSPACE | HN_DECIMAL; + humanize_number(buf, size, val, "", HN_AUTOSCALE, flags); + printf("%*s", size, buf); +} + +static int hz, hdrcnt; + +static long *cur_cp_times; +static long *last_cp_times; +static size_t size_cp_times; + +static void +dovmstat(unsigned int interval, int reps) +{ + struct vmtotal total; + time_t uptime, halfuptime; + struct devinfo *tmp_dinfo; + size_t size; + int ncpus, maxid; + u_long cpumask; + int rate_adj; + + uptime = getuptime(); + halfuptime = uptime / 2; + rate_adj = 1; + + /* + * If the user stops the program (control-Z) and then resumes it, + * print out the header again. + */ + (void)signal(SIGCONT, needhdr); + + /* + * If our standard output is a tty, then install a SIGWINCH handler + * and set wresized so that our first iteration through the main + * vmstat loop will peek at the terminal's current rows to find out + * how many lines can fit in a screenful of output. + */ + if (isatty(fileno(stdout)) != 0) { + wresized = 1; + (void)signal(SIGWINCH, needresize); + } else { + wresized = 0; + winlines = VMSTAT_DEFAULT_LINES; + } + + if (kd != NULL) { + if (namelist[X_STATHZ].n_type != 0 && + namelist[X_STATHZ].n_value != 0) + kread(X_STATHZ, &hz, sizeof(hz)); + if (!hz) + kread(X_HZ, &hz, sizeof(hz)); + } else { + struct clockinfo clockrate; + + size = sizeof(clockrate); + mysysctl("kern.clockrate", &clockrate, &size, NULL, 0); + if (size != sizeof(clockrate)) + errx(1, "clockrate size mismatch"); + hz = clockrate.hz; + } + + if (Pflag) { + ncpus = getcpuinfo(&cpumask, &maxid); + size_cp_times = sizeof(long) * (maxid + 1) * CPUSTATES; + cur_cp_times = calloc(1, size_cp_times); + last_cp_times = calloc(1, size_cp_times); + } + for (hdrcnt = 1;;) { + if (!--hdrcnt) + printhdr(ncpus, cpumask); + if (kd != NULL) { + if (kvm_getcptime(kd, cur.cp_time) < 0) + errx(1, "kvm_getcptime: %s", kvm_geterr(kd)); + } else { + size = sizeof(cur.cp_time); + mysysctl("kern.cp_time", &cur.cp_time, &size, NULL, 0); + if (size != sizeof(cur.cp_time)) + errx(1, "cp_time size mismatch"); + } + if (Pflag) { + size = size_cp_times; + mysysctl("kern.cp_times", cur_cp_times, &size, NULL, 0); + if (size != size_cp_times) + errx(1, "cp_times mismatch"); + } + + tmp_dinfo = last.dinfo; + last.dinfo = cur.dinfo; + cur.dinfo = tmp_dinfo; + last.snap_time = cur.snap_time; + + /* + * Here what we want to do is refresh our device stats. + * getdevs() returns 1 when the device list has changed. + * If the device list has changed, we want to go through + * the selection process again, in case a device that we + * were previously displaying has gone away. + */ + switch (devstat_getdevs(NULL, &cur)) { + case -1: + errx(1, "%s", devstat_errbuf); + break; + case 1: { + int retval; + + num_devices = cur.dinfo->numdevs; + generation = cur.dinfo->generation; + + retval = devstat_selectdevs(&dev_select, &num_selected, + &num_selections, &select_generation, + generation, cur.dinfo->devices, + num_devices, matches, num_matches, + specified_devices, + num_devices_specified, select_mode, + maxshowdevs, 0); + switch (retval) { + case -1: + errx(1, "%s", devstat_errbuf); + break; + case 1: + printhdr(ncpus, cpumask); + break; + default: + break; + } + } + default: + break; + } + + fill_vmmeter(&sum); + fill_vmtotal(&total); + (void)printf("%2d %1d %1d", + total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw); +#define vmstat_pgtok(a) ((a) * (sum.v_page_size >> 10)) +#define rate(x) (((x) * rate_adj + halfuptime) / uptime) /* round */ + if (hflag) { + printf(" "); + prthuman(total.t_avm * (u_int64_t)sum.v_page_size, 7); + printf(" "); + prthuman(total.t_free * (u_int64_t)sum.v_page_size, 6); + printf(" "); + } else { + printf(" %7d ", vmstat_pgtok(total.t_avm)); + printf(" %6d ", vmstat_pgtok(total.t_free)); + } + (void)printf("%5lu ", + (unsigned long)rate(sum.v_vm_faults - osum.v_vm_faults)); + (void)printf("%3lu ", + (unsigned long)rate(sum.v_reactivated - osum.v_reactivated)); + (void)printf("%3lu ", + (unsigned long)rate(sum.v_swapin + sum.v_vnodein - + (osum.v_swapin + osum.v_vnodein))); + (void)printf("%3lu ", + (unsigned long)rate(sum.v_swapout + sum.v_vnodeout - + (osum.v_swapout + osum.v_vnodeout))); + (void)printf("%5lu ", + (unsigned long)rate(sum.v_tfree - osum.v_tfree)); + (void)printf("%3lu ", + (unsigned long)rate(sum.v_pdpages - osum.v_pdpages)); + devstats(); + (void)printf("%4lu %4lu %4lu", + (unsigned long)rate(sum.v_intr - osum.v_intr), + (unsigned long)rate(sum.v_syscall - osum.v_syscall), + (unsigned long)rate(sum.v_swtch - osum.v_swtch)); + if (Pflag) + pcpustats(ncpus, cpumask, maxid); + else + cpustats(); + (void)printf("\n"); + (void)fflush(stdout); + if (reps >= 0 && --reps <= 0) + break; + osum = sum; + uptime = interval; + rate_adj = 1000; + /* + * We round upward to avoid losing low-frequency events + * (i.e., >= 1 per interval but < 1 per millisecond). + */ + if (interval != 1) + halfuptime = (uptime + 1) / 2; + else + halfuptime = 0; + (void)usleep(interval * 1000); + } +} + +static void +printhdr(int ncpus, u_long cpumask) +{ + int i, num_shown; + + num_shown = (num_selected < maxshowdevs) ? num_selected : maxshowdevs; + (void)printf(" procs memory page%*s", 19, ""); + if (num_shown > 1) + (void)printf(" disks %*s", num_shown * 4 - 7, ""); + else if (num_shown == 1) + (void)printf("disk"); + (void)printf(" faults "); + if (Pflag) { + for (i = 0; i < ncpus; i++) { + if (cpumask & (1ul << i)) + printf("cpu%-2d ", i); + } + printf("\n"); + } else + printf("cpu\n"); + (void)printf(" r b w avm fre flt re pi po fr sr "); + for (i = 0; i < num_devices; i++) + if ((dev_select[i].selected) + && (dev_select[i].selected <= maxshowdevs)) + (void)printf("%c%c%d ", dev_select[i].device_name[0], + dev_select[i].device_name[1], + dev_select[i].unit_number); + (void)printf(" in sy cs"); + if (Pflag) { + for (i = 0; i < ncpus; i++) + printf(" us sy id"); + printf("\n"); + } else + printf(" us sy id\n"); + if (wresized != 0) + doresize(); + hdrcnt = winlines; +} + +/* + * Force a header to be prepended to the next output. + */ +static void +needhdr(int dummy __unused) +{ + + hdrcnt = 1; +} + +/* + * When the terminal is resized, force an update of the maximum number of rows + * printed between each header repetition. Then force a new header to be + * prepended to the next output. + */ +void +needresize(int signo) +{ + + wresized = 1; + hdrcnt = 1; +} + +/* + * Update the global `winlines' count of terminal rows. + */ +void +doresize(void) +{ + int status; + struct winsize w; + + for (;;) { + status = ioctl(fileno(stdout), TIOCGWINSZ, &w); + if (status == -1 && errno == EINTR) + continue; + else if (status == -1) + err(1, "ioctl"); + if (w.ws_row > 3) + winlines = w.ws_row - 3; + else + winlines = VMSTAT_DEFAULT_LINES; + break; + } + + /* + * Inhibit doresize() calls until we are rescheduled by SIGWINCH. + */ + wresized = 0; +} + +#ifdef notyet +static void +dotimes(void) +{ + unsigned int pgintime, rectime; + + kread(X_REC, &rectime, sizeof(rectime)); + kread(X_PGIN, &pgintime, sizeof(pgintime)); + kread(X_SUM, &sum, sizeof(sum)); + (void)printf("%u reclaims, %u total time (usec)\n", + sum.v_pgrec, rectime); + (void)printf("average: %u usec / reclaim\n", rectime / sum.v_pgrec); + (void)printf("\n"); + (void)printf("%u page ins, %u total time (msec)\n", + sum.v_pgin, pgintime / 10); + (void)printf("average: %8.1f msec / page in\n", + pgintime / (sum.v_pgin * 10.0)); +} +#endif + +static long +pct(long top, long bot) +{ + long ans; + + if (bot == 0) + return(0); + ans = (quad_t)top * 100 / bot; + return (ans); +} + +#define PCT(top, bot) pct((long)(top), (long)(bot)) + +static void +dosum(void) +{ + struct nchstats lnchstats; + long nchtotal; + + fill_vmmeter(&sum); + (void)printf("%9u cpu context switches\n", sum.v_swtch); + (void)printf("%9u device interrupts\n", sum.v_intr); + (void)printf("%9u software interrupts\n", sum.v_soft); + (void)printf("%9u traps\n", sum.v_trap); + (void)printf("%9u system calls\n", sum.v_syscall); + (void)printf("%9u kernel threads created\n", sum.v_kthreads); + (void)printf("%9u fork() calls\n", sum.v_forks); + (void)printf("%9u vfork() calls\n", sum.v_vforks); + (void)printf("%9u rfork() calls\n", sum.v_rforks); + (void)printf("%9u swap pager pageins\n", sum.v_swapin); + (void)printf("%9u swap pager pages paged in\n", sum.v_swappgsin); + (void)printf("%9u swap pager pageouts\n", sum.v_swapout); + (void)printf("%9u swap pager pages paged out\n", sum.v_swappgsout); + (void)printf("%9u vnode pager pageins\n", sum.v_vnodein); + (void)printf("%9u vnode pager pages paged in\n", sum.v_vnodepgsin); + (void)printf("%9u vnode pager pageouts\n", sum.v_vnodeout); + (void)printf("%9u vnode pager pages paged out\n", sum.v_vnodepgsout); + (void)printf("%9u page daemon wakeups\n", sum.v_pdwakeups); + (void)printf("%9u pages examined by the page daemon\n", sum.v_pdpages); + (void)printf("%9u pages reactivated\n", sum.v_reactivated); + (void)printf("%9u copy-on-write faults\n", sum.v_cow_faults); + (void)printf("%9u copy-on-write optimized faults\n", sum.v_cow_optim); + (void)printf("%9u zero fill pages zeroed\n", sum.v_zfod); + (void)printf("%9u zero fill pages prezeroed\n", sum.v_ozfod); + (void)printf("%9u intransit blocking page faults\n", sum.v_intrans); + (void)printf("%9u total VM faults taken\n", sum.v_vm_faults); + (void)printf("%9u pages affected by kernel thread creation\n", sum.v_kthreadpages); + (void)printf("%9u pages affected by fork()\n", sum.v_forkpages); + (void)printf("%9u pages affected by vfork()\n", sum.v_vforkpages); + (void)printf("%9u pages affected by rfork()\n", sum.v_rforkpages); + (void)printf("%9u pages cached\n", sum.v_tcached); + (void)printf("%9u pages freed\n", sum.v_tfree); + (void)printf("%9u pages freed by daemon\n", sum.v_dfree); + (void)printf("%9u pages freed by exiting processes\n", sum.v_pfree); + (void)printf("%9u pages active\n", sum.v_active_count); + (void)printf("%9u pages inactive\n", sum.v_inactive_count); + (void)printf("%9u pages in VM cache\n", sum.v_cache_count); + (void)printf("%9u pages wired down\n", sum.v_wire_count); + (void)printf("%9u pages free\n", sum.v_free_count); + (void)printf("%9u bytes per page\n", sum.v_page_size); + if (kd != NULL) { + kread(X_NCHSTATS, &lnchstats, sizeof(lnchstats)); + } else { + size_t size = sizeof(lnchstats); + mysysctl("vfs.cache.nchstats", &lnchstats, &size, NULL, 0); + if (size != sizeof(lnchstats)) + errx(1, "vfs.cache.nchstats size mismatch"); + } + nchtotal = lnchstats.ncs_goodhits + lnchstats.ncs_neghits + + lnchstats.ncs_badhits + lnchstats.ncs_falsehits + + lnchstats.ncs_miss + lnchstats.ncs_long; + (void)printf("%9ld total name lookups\n", nchtotal); + (void)printf( + "%9s cache hits (%ld%% pos + %ld%% neg) system %ld%% per-directory\n", + "", PCT(lnchstats.ncs_goodhits, nchtotal), + PCT(lnchstats.ncs_neghits, nchtotal), + PCT(lnchstats.ncs_pass2, nchtotal)); + (void)printf("%9s deletions %ld%%, falsehits %ld%%, toolong %ld%%\n", "", + PCT(lnchstats.ncs_badhits, nchtotal), + PCT(lnchstats.ncs_falsehits, nchtotal), + PCT(lnchstats.ncs_long, nchtotal)); +} + +static void +doforkst(void) +{ + fill_vmmeter(&sum); + (void)printf("%u forks, %u pages, average %.2f\n", + sum.v_forks, sum.v_forkpages, + sum.v_forks == 0 ? 0.0 : + (double)sum.v_forkpages / sum.v_forks); + (void)printf("%u vforks, %u pages, average %.2f\n", + sum.v_vforks, sum.v_vforkpages, + sum.v_vforks == 0 ? 0.0 : + (double)sum.v_vforkpages / sum.v_vforks); + (void)printf("%u rforks, %u pages, average %.2f\n", + sum.v_rforks, sum.v_rforkpages, + sum.v_rforks == 0 ? 0.0 : + (double)sum.v_rforkpages / sum.v_rforks); +} + +static void +devstats(void) +{ + int dn, state; + long double transfers_per_second; + long double busy_seconds; + long tmp; + + for (state = 0; state < CPUSTATES; ++state) { + tmp = cur.cp_time[state]; + cur.cp_time[state] -= last.cp_time[state]; + last.cp_time[state] = tmp; + } + + busy_seconds = cur.snap_time - last.snap_time; + + for (dn = 0; dn < num_devices; dn++) { + int di; + + if ((dev_select[dn].selected == 0) + || (dev_select[dn].selected > maxshowdevs)) + continue; + + di = dev_select[dn].position; + + if (devstat_compute_statistics(&cur.dinfo->devices[di], + &last.dinfo->devices[di], busy_seconds, + DSM_TRANSFERS_PER_SECOND, &transfers_per_second, + DSM_NONE) != 0) + errx(1, "%s", devstat_errbuf); + + (void)printf("%3.0Lf ", transfers_per_second); + } +} + +static void +percent(double pct, int *over) +{ + char buf[10]; + int l; + + l = snprintf(buf, sizeof(buf), "%.0f", pct); + if (l == 1 && *over) { + printf("%s", buf); + (*over)--; + } else + printf("%2s", buf); + if (l > 2) + (*over)++; +} + +static void +cpustats(void) +{ + int state, over; + double lpct, total; + + total = 0; + for (state = 0; state < CPUSTATES; ++state) + total += cur.cp_time[state]; + if (total) + lpct = 100.0 / total; + else + lpct = 0.0; + over = 0; + printf(" "); + percent((cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) * lpct, &over); + printf(" "); + percent((cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) * lpct, &over); + printf(" "); + percent(cur.cp_time[CP_IDLE] * lpct, &over); +} + +static void +pcpustats(int ncpus, u_long cpumask, int maxid) +{ + int state, i; + double lpct, total; + long tmp; + int over; + + /* devstats does this for cp_time */ + for (i = 0; i <= maxid; i++) { + if ((cpumask & (1ul << i)) == 0) + continue; + for (state = 0; state < CPUSTATES; ++state) { + tmp = cur_cp_times[i * CPUSTATES + state]; + cur_cp_times[i * CPUSTATES + state] -= last_cp_times[i * CPUSTATES + state]; + last_cp_times[i * CPUSTATES + state] = tmp; + } + } + + over = 0; + for (i = 0; i <= maxid; i++) { + if ((cpumask & (1ul << i)) == 0) + continue; + total = 0; + for (state = 0; state < CPUSTATES; ++state) + total += cur_cp_times[i * CPUSTATES + state]; + if (total) + lpct = 100.0 / total; + else + lpct = 0.0; + printf(" "); + percent((cur_cp_times[i * CPUSTATES + CP_USER] + + cur_cp_times[i * CPUSTATES + CP_NICE]) * lpct, &over); + printf(" "); + percent((cur_cp_times[i * CPUSTATES + CP_SYS] + + cur_cp_times[i * CPUSTATES + CP_INTR]) * lpct, &over); + printf(" "); + percent(cur_cp_times[i * CPUSTATES + CP_IDLE] * lpct, &over); + } +} + +static void +dointr(void) +{ + unsigned long *intrcnt, uptime; + uint64_t inttotal; + size_t clen, inamlen, intrcntlen, istrnamlen; + unsigned int i, nintr; + char *intrname, *tintrname; + + uptime = getuptime(); + if (kd != NULL) { + kread(X_SINTRCNT, &intrcntlen, sizeof(intrcntlen)); + kread(X_SINTRNAMES, &inamlen, sizeof(inamlen)); + if ((intrcnt = malloc(intrcntlen)) == NULL || + (intrname = malloc(inamlen)) == NULL) + err(1, "malloc()"); + kread(X_INTRCNT, intrcnt, intrcntlen); + kread(X_INTRNAMES, intrname, inamlen); + } else { + for (intrcnt = NULL, intrcntlen = 1024; ; intrcntlen *= 2) { + if ((intrcnt = reallocf(intrcnt, intrcntlen)) == NULL) + err(1, "reallocf()"); + if (mysysctl("hw.intrcnt", + intrcnt, &intrcntlen, NULL, 0) == 0) + break; + } + for (intrname = NULL, inamlen = 1024; ; inamlen *= 2) { + if ((intrname = reallocf(intrname, inamlen)) == NULL) + err(1, "reallocf()"); + if (mysysctl("hw.intrnames", + intrname, &inamlen, NULL, 0) == 0) + break; + } + } + nintr = intrcntlen / sizeof(unsigned long); + tintrname = intrname; + istrnamlen = strlen("interrupt"); + for (i = 0; i < nintr; i++) { + clen = strlen(tintrname); + if (clen > istrnamlen) + istrnamlen = clen; + tintrname += clen + 1; + } + (void)printf("%-*s %20s %10s\n", (int)istrnamlen, "interrupt", "total", + "rate"); + inttotal = 0; + for (i = 0; i < nintr; i++) { + if (intrname[0] != '\0' && (*intrcnt != 0 || aflag)) + (void)printf("%-*s %20lu %10lu\n", (int)istrnamlen, + intrname, *intrcnt, *intrcnt / uptime); + intrname += strlen(intrname) + 1; + inttotal += *intrcnt++; + } + (void)printf("%-*s %20" PRIu64 " %10" PRIu64 "\n", (int)istrnamlen, + "Total", inttotal, inttotal / uptime); +} + +static void +domemstat_malloc(void) +{ + struct memory_type_list *mtlp; + struct memory_type *mtp; + int error, first, i; + + mtlp = memstat_mtl_alloc(); + if (mtlp == NULL) { + warn("memstat_mtl_alloc"); + return; + } + if (kd == NULL) { + if (memstat_sysctl_malloc(mtlp, 0) < 0) { + warnx("memstat_sysctl_malloc: %s", + memstat_strerror(memstat_mtl_geterror(mtlp))); + return; + } + } else { + if (memstat_kvm_malloc(mtlp, kd) < 0) { + error = memstat_mtl_geterror(mtlp); + if (error == MEMSTAT_ERROR_KVM) + warnx("memstat_kvm_malloc: %s", + kvm_geterr(kd)); + else + warnx("memstat_kvm_malloc: %s", + memstat_strerror(error)); + } + } + printf("%13s %5s %6s %7s %8s Size(s)\n", "Type", "InUse", "MemUse", + "HighUse", "Requests"); + for (mtp = memstat_mtl_first(mtlp); mtp != NULL; + mtp = memstat_mtl_next(mtp)) { + if (memstat_get_numallocs(mtp) == 0 && + memstat_get_count(mtp) == 0) + continue; + printf("%13s %5" PRIu64 " %5" PRIu64 "K %7s %8" PRIu64 " ", + memstat_get_name(mtp), memstat_get_count(mtp), + (memstat_get_bytes(mtp) + 1023) / 1024, "-", + memstat_get_numallocs(mtp)); + first = 1; + for (i = 0; i < 32; i++) { + if (memstat_get_sizemask(mtp) & (1 << i)) { + if (!first) + printf(","); + printf("%d", 1 << (i + 4)); + first = 0; + } + } + printf("\n"); + } + memstat_mtl_free(mtlp); +} + +static void +domemstat_zone(void) +{ + struct memory_type_list *mtlp; + struct memory_type *mtp; + char name[MEMTYPE_MAXNAME + 1]; + int error; + + mtlp = memstat_mtl_alloc(); + if (mtlp == NULL) { + warn("memstat_mtl_alloc"); + return; + } + if (kd == NULL) { + if (memstat_sysctl_uma(mtlp, 0) < 0) { + warnx("memstat_sysctl_uma: %s", + memstat_strerror(memstat_mtl_geterror(mtlp))); + return; + } + } else { + if (memstat_kvm_uma(mtlp, kd) < 0) { + error = memstat_mtl_geterror(mtlp); + if (error == MEMSTAT_ERROR_KVM) + warnx("memstat_kvm_uma: %s", + kvm_geterr(kd)); + else + warnx("memstat_kvm_uma: %s", + memstat_strerror(error)); + } + } + printf("%-20s %6s %6s %8s %8s %8s %4s %4s\n\n", "ITEM", "SIZE", + "LIMIT", "USED", "FREE", "REQ", "FAIL", "SLEEP"); + for (mtp = memstat_mtl_first(mtlp); mtp != NULL; + mtp = memstat_mtl_next(mtp)) { + strlcpy(name, memstat_get_name(mtp), MEMTYPE_MAXNAME); + strcat(name, ":"); + printf("%-20s %6" PRIu64 ", %6" PRIu64 ",%8" PRIu64 ",%8" PRIu64 + ",%8" PRIu64 ",%4" PRIu64 ",%4" PRIu64 "\n", name, + memstat_get_size(mtp), memstat_get_countlimit(mtp), + memstat_get_count(mtp), memstat_get_free(mtp), + memstat_get_numallocs(mtp), memstat_get_failures(mtp), + memstat_get_sleeps(mtp)); + } + memstat_mtl_free(mtlp); + printf("\n"); +} + +/* + * kread reads something from the kernel, given its nlist index. + */ +static void +kreado(int nlx, void *addr, size_t size, size_t offset) +{ + const char *sym; + + if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) { + sym = namelist[nlx].n_name; + if (*sym == '_') + ++sym; + errx(1, "symbol %s not defined", sym); + } + if ((size_t)kvm_read(kd, namelist[nlx].n_value + offset, addr, + size) != size) { + sym = namelist[nlx].n_name; + if (*sym == '_') + ++sym; + errx(1, "%s: %s", sym, kvm_geterr(kd)); + } +} + +static void +kread(int nlx, void *addr, size_t size) +{ + kreado(nlx, addr, size, 0); +} + +static char * +kgetstr(const char *strp) +{ + int n = 0, size = 1; + char *ret = NULL; + + do { + if (size == n + 1) { + ret = realloc(ret, size); + if (ret == NULL) + err(1, "%s: realloc", __func__); + size *= 2; + } + if (kvm_read(kd, (u_long)strp + n, &ret[n], 1) != 1) + errx(1, "%s: %s", __func__, kvm_geterr(kd)); + } while (ret[n++] != '\0'); + return (ret); +} + +static void +usage(void) +{ + (void)fprintf(stderr, "%s%s", + "usage: vmstat [-afHhimPsz] [-c count] [-M core [-N system]] [-w wait]\n", + " [-n devs] [-p type,if,pass] [disks]\n"); + exit(1); +} |
