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authorSebastian Huber <sebastian.huber@embedded-brains.de>2016-11-10 13:25:27 +0100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2017-01-10 09:53:34 +0100
commitdba2dfc663d4b96b8f14609fec72246f8e60f9c5 (patch)
treebbe5eb8b47ed27e66a1057b4040608a28cf1ef5c
parentif_dwc: Invalidate read buffer again (diff)
downloadrtems-libbsd-dba2dfc663d4b96b8f14609fec72246f8e60f9c5.tar.bz2
VMSTAT(8): Import from FreeBSD
-rw-r--r--freebsd/usr.bin/vmstat/vmstat.c1731
1 files changed, 1731 insertions, 0 deletions
diff --git a/freebsd/usr.bin/vmstat/vmstat.c b/freebsd/usr.bin/vmstat/vmstat.c
new file mode 100644
index 00000000..ae5fd5f0
--- /dev/null
+++ b/freebsd/usr.bin/vmstat/vmstat.c
@@ -0,0 +1,1731 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/*
+ * 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 <rtems/bsd/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 <rtems/bsd/sys/resource.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <sys/user.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>
+#include <libxo/xo.h>
+
+#define VMSTAT_XO_VERSION "1"
+
+static char da[] = "da";
+
+static struct nlist namelist[] = {
+#define X_SUM 0
+ { "_vm_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
+#define OBJSTAT 0x80
+
+static void cpustats(void);
+static void pcpustats(int, u_long, int);
+static void devstats(void);
+static void doforkst(void);
+static void dointr(unsigned int, int);
+static void doobjstat(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 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);
+
+ argc = xo_parse_args(argc, argv);
+ if (argc < 0)
+ return argc;
+
+ while ((c = getopt(argc, argv, "ac:fhHiM:mN:n:oPp: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)
+ xo_errx(1, "number of devices %d is < 0",
+ maxshowdevs);
+ break;
+ case 'o':
+ todo |= OBJSTAT;
+ break;
+ case 'p':
+ if (devstat_buildmatch(optarg, &matches, &num_matches) != 0)
+ xo_errx(1, "%s", devstat_errbuf);
+ break;
+ case 's':
+ todo |= SUMSTAT;
+ break;
+ case 't':
+#ifdef notyet
+ todo |= TIMESTAT;
+#else
+ xo_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;
+
+ xo_set_version(VMSTAT_XO_VERSION);
+ if (todo == 0)
+ todo = VMSTAT;
+
+ if (memf != NULL) {
+ kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
+ if (kd == NULL)
+ xo_errx(1, "kvm_openfiles: %s", errbuf);
+ }
+
+retry_nlist:
+ if (kd != NULL && (c = kvm_nlist(kd, namelist)) != 0) {
+ if (c > 0) {
+ int bufsize = 0, len = 0;
+ char *buf, *bp;
+ /*
+ * 'cnt' was renamed to 'vm_cnt'. If 'vm_cnt' is not
+ * found try looking up older 'cnt' symbol.
+ * */
+ if (namelist[X_SUM].n_type == 0 &&
+ strcmp(namelist[X_SUM].n_name, "_vm_cnt") == 0) {
+ namelist[X_SUM].n_name = "_cnt";
+ goto retry_nlist;
+ }
+ for (c = 0;
+ c < (int)(sizeof(namelist)/sizeof(namelist[0]));
+ c++)
+ if (namelist[c].n_type == 0)
+ bufsize += strlen(namelist[c].n_name) + 1;
+ bufsize += len + 1;
+ buf = bp = alloca(bufsize);
+
+ for (c = 0;
+ c < (int)(sizeof(namelist)/sizeof(namelist[0]));
+ c++)
+ if (namelist[c].n_type == 0) {
+ xo_error(" %s",
+ namelist[c].n_name);
+ len = strlen(namelist[c].n_name);
+ *bp++ = ' ';
+ memcpy(bp, namelist[c].n_name, len);
+ bp += len;
+ }
+ *bp = '\0';
+ xo_error("undefined symbols:\n", buf);
+ } else
+ xo_warnx("kvm_nlist: %s", kvm_geterr(kd));
+ xo_finish();
+ exit(1);
+ }
+ if (kd && Pflag)
+ xo_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)
+ xo_errx(1, "%s", devstat_errbuf);
+
+
+ argv = getdrivedata(argv);
+ }
+
+ if (*argv) {
+ f = atof(*argv);
+ interval = f * 1000;
+ if (*++argv)
+ reps = atoi(*argv);
+ }
+
+ 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();
+ if (todo & OBJSTAT)
+ doobjstat();
+#ifdef notyet
+ if (todo & TIMESTAT)
+ dotimes();
+#endif
+ if (todo & INTRSTAT)
+ dointr(interval, reps);
+ if (todo & VMSTAT)
+ dovmstat(interval, reps);
+ xo_finish();
+ 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)
+ xo_err(1, "sysctl(%s)", name);
+ return (error);
+}
+
+static char **
+getdrivedata(char **argv)
+{
+ if ((num_devices = devstat_getnumdevs(NULL)) < 0)
+ xo_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)
+ xo_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)
+ xo_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)
+ xo_errx(1, "%s", devstat_errbuf);
+
+ return(argv);
+}
+
+/* Return system uptime in nanoseconds */
+static long long
+getuptime(void)
+{
+ struct timespec sp;
+
+ (void)clock_gettime(CLOCK_UPTIME, &sp);
+
+ return((long long)sp.tv_sec * 1000000000LL + sp.tv_nsec);
+}
+
+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)
+ xo_errx(1, "kvm_getmaxcpu: %s", kvm_geterr(kd));
+
+ pcpu = calloc(maxcpu, sizeof(struct pcpu *));
+ if (pcpu == NULL)
+ xo_err(1, "calloc");
+
+ for (i = 0; i < maxcpu; i++) {
+ pcpu[i] = kvm_getpcpu(kd, i);
+ if (pcpu[i] == (struct pcpu *)-1)
+ xo_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_io_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_io_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_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 */
+ xo_errx(1, "not implemented");
+ } else {
+ size_t size = sizeof(*vmtp);
+ mysysctl("vm.vmtotal", vmtp, &size, NULL, 0);
+ if (size != sizeof(*vmtp))
+ xo_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)
+ xo_errx(1, "not implemented");
+ mask = 0;
+ ncpus = 0;
+ size = sizeof(maxcpu);
+ mysysctl("kern.smp.maxcpus", &maxcpu, &size, NULL, 0);
+ if (size != sizeof(maxcpu))
+ xo_errx(1, "sysctl kern.smp.maxcpus");
+ size = sizeof(long) * maxcpu * CPUSTATES;
+ times = malloc(size);
+ if (times == NULL)
+ xo_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(const char *name, u_int64_t val, int size)
+{
+ char buf[10];
+ int flags;
+ char fmt[128];
+
+ snprintf(fmt, sizeof(fmt), "{:%s/%%*s}", name);
+
+ if (size < 5 || size > 9)
+ xo_errx(1, "doofus");
+ flags = HN_B | HN_NOSPACE | HN_DECIMAL;
+ humanize_number(buf, size, val, "", HN_AUTOSCALE, flags);
+ xo_attr("value", "%ju", (uintmax_t) val);
+ xo_emit(fmt, 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() / 1000000000LL;
+ halfuptime = uptime / 2;
+ rate_adj = 1;
+ ncpus = 1;
+ maxid = 0;
+
+ /*
+ * 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))
+ xo_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(maxid, cpumask);
+ if (kd != NULL) {
+ if (kvm_getcptime(kd, cur.cp_time) < 0)
+ xo_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))
+ xo_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)
+ xo_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:
+ xo_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:
+ xo_errx(1, "%s", devstat_errbuf);
+ break;
+ case 1:
+ printhdr(maxid, cpumask);
+ break;
+ default:
+ break;
+ }
+ }
+ default:
+ break;
+ }
+
+ fill_vmmeter(&sum);
+ fill_vmtotal(&total);
+ xo_open_container("processes");
+ xo_emit("{:runnable/%1d} {:waiting/%ld} "
+ "{:swapped-out/%ld}",
+ total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
+ xo_close_container("processes");
+ xo_open_container("memory");
+#define vmstat_pgtok(a) ((a) * (sum.v_page_size >> 10))
+#define rate(x) (((x) * rate_adj + halfuptime) / uptime) /* round */
+ if (hflag) {
+ xo_emit("");
+ prthuman("available-memory",
+ total.t_avm * (u_int64_t)sum.v_page_size, 5);
+ xo_emit(" ");
+ prthuman("free-memory",
+ total.t_free * (u_int64_t)sum.v_page_size, 5);
+ xo_emit(" ");
+ } else {
+ xo_emit(" ");
+ xo_emit("{:available-memory/%7d}",
+ vmstat_pgtok(total.t_avm));
+ xo_emit(" ");
+ xo_emit("{:free-memory/%7d}",
+ vmstat_pgtok(total.t_free));
+ }
+ xo_emit("{:total-page-faults/%5lu} ",
+ (unsigned long)rate(sum.v_vm_faults -
+ osum.v_vm_faults));
+ xo_close_container("memory");
+
+ xo_open_container("paging-rates");
+ xo_emit("{:page-reactivated/%3lu} ",
+ (unsigned long)rate(sum.v_reactivated - osum.v_reactivated));
+ xo_emit("{:paged-in/%3lu} ",
+ (unsigned long)rate(sum.v_swapin + sum.v_vnodein -
+ (osum.v_swapin + osum.v_vnodein)));
+ xo_emit("{:paged-out/%3lu} ",
+ (unsigned long)rate(sum.v_swapout + sum.v_vnodeout -
+ (osum.v_swapout + osum.v_vnodeout)));
+ xo_emit("{:freed/%5lu} ",
+ (unsigned long)rate(sum.v_tfree - osum.v_tfree));
+ xo_emit("{:scanned/%4lu} ",
+ (unsigned long)rate(sum.v_pdpages - osum.v_pdpages));
+ xo_close_container("paging-rates");
+
+ devstats();
+ xo_open_container("fault-rates");
+ xo_emit("{:interrupts/%4lu} {:system-calls/%5lu} "
+ "{:context-switches/%5u}",
+ (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));
+ xo_close_container("fault-rates");
+ if (Pflag)
+ pcpustats(ncpus, cpumask, maxid);
+ else
+ cpustats();
+ xo_emit("\n");
+ xo_flush();
+ 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 maxid, u_long cpumask)
+{
+ int i, num_shown;
+
+ num_shown = MIN(num_selected, maxshowdevs);
+ if (hflag) {
+ xo_emit("{T:procs} {T:memory} {T:/page%*s}", 19, "");
+ } else {
+ xo_emit("{T:procs} {T:memory} {T:/page%*s}", 19, "");
+ }
+ if (num_shown > 1)
+ xo_emit(" {T:/disks %*s}", num_shown * 4 - 7, "");
+ else if (num_shown == 1)
+ xo_emit(" {T:disks}");
+ xo_emit(" {T:faults} ");
+ if (Pflag) {
+ for (i = 0; i <= maxid; i++) {
+ if (cpumask & (1ul << i))
+ xo_emit(" {T:/cpu%d} ", i);
+ }
+ xo_emit("\n");
+ } else
+ xo_emit(" {T:cpu}\n");
+ if (hflag) {
+ xo_emit("{T:r} {T:b} {T:w} {T:avm} {T:fre} {T:flt} {T:re} {T:pi} {T:po} {T:fr} {T:sr} ");
+ } else {
+ xo_emit("{T:r} {T:b} {T:w} {T:avm} {T:fre} {T:flt} {T:re} {T:pi} {T:po} {T:fr} {T:sr} ");
+ }
+ for (i = 0; i < num_devices; i++)
+ if ((dev_select[i].selected)
+ && (dev_select[i].selected <= maxshowdevs))
+ xo_emit("{T:/%c%c%d} ", dev_select[i].device_name[0],
+ dev_select[i].device_name[1],
+ dev_select[i].unit_number);
+ xo_emit(" {T:in} {T:sy} {T:cs}");
+ if (Pflag) {
+ for (i = 0; i <= maxid; i++) {
+ if (cpumask & (1ul << i))
+ xo_emit(" {T:us} {T:sy} {T:id}");
+ }
+ xo_emit("\n");
+ } else
+ xo_emit(" {T:us} {T:sy} {T: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)
+ xo_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));
+ xo_emit("{:page-reclaims/%u} {N:reclaims}, "
+ "{:reclaim-time/%u} {N:total time (usec)}\n",
+ sum.v_pgrec, rectime);
+ xo_emit("{L:average}: {:reclaim-average/%u} {N:usec \\/ reclaim}\n",
+ rectime / sum.v_pgrec);
+ xo_emit("\n");
+ xo_emit("{:page-ins/%u} {N:page ins}, "
+ "{:page-in-time/%u} {N:total time (msec)}\n",
+ sum.v_pgin, pgintime / 10);
+ xo_emit("{L:average}: {:average/%8.1f} {N: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);
+ xo_open_container("summary-statistics");
+ xo_emit("{:context-switches/%9u} {N:cpu context switches}\n",
+ sum.v_swtch);
+ xo_emit("{:interrupts/%9u} {N:device interrupts}\n",
+ sum.v_intr);
+ xo_emit("{:software-interrupts/%9u} {N:software interrupts}\n",
+ sum.v_soft);
+ xo_emit("{:traps/%9u} {N:traps}\n", sum.v_trap);
+ xo_emit("{:system-calls/%9u} {N:system calls}\n",
+ sum.v_syscall);
+ xo_emit("{:kernel-threads/%9u} {N:kernel threads created}\n",
+ sum.v_kthreads);
+ xo_emit("{:forks/%9u} {N: fork() calls}\n", sum.v_forks);
+ xo_emit("{:vforks/%9u} {N:vfork() calls}\n",
+ sum.v_vforks);
+ xo_emit("{:rforks/%9u} {N:rfork() calls}\n",
+ sum.v_rforks);
+ xo_emit("{:swap-ins/%9u} {N:swap pager pageins}\n",
+ sum.v_swapin);
+ xo_emit("{:swap-in-pages/%9u} {N:swap pager pages paged in}\n",
+ sum.v_swappgsin);
+ xo_emit("{:swap-outs/%9u} {N:swap pager pageouts}\n",
+ sum.v_swapout);
+ xo_emit("{:swap-out-pages/%9u} {N:swap pager pages paged out}\n",
+ sum.v_swappgsout);
+ xo_emit("{:vnode-page-ins/%9u} {N:vnode pager pageins}\n",
+ sum.v_vnodein);
+ xo_emit("{:vnode-page-in-pages/%9u} {N:vnode pager pages paged in}\n",
+ sum.v_vnodepgsin);
+ xo_emit("{:vnode-page-outs/%9u} {N:vnode pager pageouts}\n",
+ sum.v_vnodeout);
+ xo_emit("{:vnode-page-outs/%9u} {N:vnode pager pages paged out}\n",
+ sum.v_vnodepgsout);
+ xo_emit("{:page-daemon-wakeups/%9u} {N:page daemon wakeups}\n",
+ sum.v_pdwakeups);
+ xo_emit("{:page-daemon-pages/%9u} {N:pages examined by the page daemon}\n",
+ sum.v_pdpages);
+ xo_emit("{:reactivated/%9u} {N:pages reactivated}\n",
+ sum.v_reactivated);
+ xo_emit("{:copy-on-write-faults/%9u} {N:copy-on-write faults}\n",
+ sum.v_cow_faults);
+ xo_emit("{:copy-on-write-optimized-faults/%9u} {N:copy-on-write optimized faults}\n",
+ sum.v_cow_optim);
+ xo_emit("{:zero-fill-pages/%9u} {N:zero fill pages zeroed}\n",
+ sum.v_zfod);
+ xo_emit("{:zero-fill-prezeroed/%9u} {N:zero fill pages prezeroed}\n",
+ sum.v_ozfod);
+ xo_emit("{:intransit-blocking/%9u} {N:intransit blocking page faults}\n",
+ sum.v_intrans);
+ xo_emit("{:total-faults/%9u} {N:total VM faults taken}\n",
+ sum.v_vm_faults);
+ xo_emit("{:faults-requiring-io/%9u} {N:page faults requiring I\\/O}\n",
+ sum.v_io_faults);
+ xo_emit("{:faults-from-thread-creation/%9u} {N:pages affected by kernel thread creation}\n",
+ sum.v_kthreadpages);
+ xo_emit("{:faults-from-fork/%9u} {N:pages affected by fork}()\n",
+ sum.v_forkpages);
+ xo_emit("{:faults-from-vfork/%9u} {N:pages affected by vfork}()\n",
+ sum.v_vforkpages);
+ xo_emit("{:pages-rfork/%9u} {N:pages affected by rfork}()\n",
+ sum.v_rforkpages);
+ xo_emit("{:pages-total-cached/%9u} {N:pages cached}\n",
+ sum.v_tcached);
+ xo_emit("{:pages-freed/%9u} {N:pages freed}\n",
+ sum.v_tfree);
+ xo_emit("{:pages-freed-by-daemon/%9u} {N:pages freed by daemon}\n",
+ sum.v_dfree);
+ xo_emit("{:pages-freed-on-exit/%9u} {N:pages freed by exiting processes}\n",
+ sum.v_pfree);
+ xo_emit("{:active-pages/%9u} {N:pages active}\n",
+ sum.v_active_count);
+ xo_emit("{:inactive-pages/%9u} {N:pages inactive}\n",
+ sum.v_inactive_count);
+ xo_emit("{:vm-cache/%9u} {N:pages in VM cache}\n",
+ sum.v_cache_count);
+ xo_emit("{:wired-pages/%9u} {N:pages wired down}\n",
+ sum.v_wire_count);
+ xo_emit("{:free-pages/%9u} {N:pages free}\n",
+ sum.v_free_count);
+ xo_emit("{:bytes-per-page/%9u} {N: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))
+ xo_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;
+ xo_emit("{:total-name-lookups/%9ld} {N:total name lookups}\n",
+ nchtotal);
+ xo_emit("{P:/%9s} {N:cache hits} "
+ "({:positive-cache-hits/%ld}% pos + "
+ "{:negative-cache-hits/%ld}% {N:neg}) "
+ "system {:cache-hit-percent/%ld}% per-directory\n",
+ "", PCT(lnchstats.ncs_goodhits, nchtotal),
+ PCT(lnchstats.ncs_neghits, nchtotal),
+ PCT(lnchstats.ncs_pass2, nchtotal));
+ xo_emit("{P:/%9s} {L:deletions} {:deletions/%ld}%, "
+ "{L:falsehits} {:false-hits/%ld}%, "
+ "{L:toolong} {:too-long/%ld}%\n", "",
+ PCT(lnchstats.ncs_badhits, nchtotal),
+ PCT(lnchstats.ncs_falsehits, nchtotal),
+ PCT(lnchstats.ncs_long, nchtotal));
+ xo_close_container("summary-statistics");
+}
+
+static void
+doforkst(void)
+{
+ fill_vmmeter(&sum);
+ xo_open_container("fork-statistics");
+ xo_emit("{:fork/%u} {N:forks}, {:fork-pages/%u} {N:pages}, "
+ "{L:average} {:fork-average/%.2f}\n",
+ sum.v_forks, sum.v_forkpages,
+ sum.v_forks == 0 ? 0.0 :
+ (double)sum.v_forkpages / sum.v_forks);
+ xo_emit("{:vfork/%u} {N:vforks}, {:vfork-pages/%u} {N:pages}, "
+ "{L:average} {:vfork-average/%.2f}\n",
+ sum.v_vforks, sum.v_vforkpages,
+ sum.v_vforks == 0 ? 0.0 :
+ (double)sum.v_vforkpages / sum.v_vforks);
+ xo_emit("{:rfork/%u} {N:rforks}, {:rfork-pages/%u} {N:pages}, "
+ "{L:average} {:rfork-average/%.2f}\n",
+ sum.v_rforks, sum.v_rforkpages,
+ sum.v_rforks == 0 ? 0.0 :
+ (double)sum.v_rforkpages / sum.v_rforks);
+ xo_close_container("fork-statistics");
+}
+
+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;
+
+ xo_open_list("device");
+ 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)
+ xo_errx(1, "%s", devstat_errbuf);
+
+ xo_open_instance("device");
+ xo_emit("{ekq:name/%c%c%d}{:transfers/%3.0Lf} ",
+ dev_select[dn].device_name[0],
+ dev_select[dn].device_name[1],
+ dev_select[dn].unit_number,
+ transfers_per_second);
+ xo_close_instance("device");
+ }
+ xo_close_list("device");
+}
+
+static void
+percent(const char *name, double pct, int *over)
+{
+ char buf[10];
+ char fmt[128];
+ int l;
+
+ snprintf(fmt, sizeof(fmt), " {:%s/%%*s}", name);
+ l = snprintf(buf, sizeof(buf), "%.0f", pct);
+ if (l == 1 && *over) {
+ xo_emit(fmt, 1, buf);
+ (*over)--;
+ } else
+ xo_emit(fmt, 2, 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;
+ xo_open_container("cpu-statistics");
+ percent("user", (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) * lpct, &over);
+ percent("system", (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) * lpct, &over);
+ percent("idle", cur.cp_time[CP_IDLE] * lpct, &over);
+ xo_close_container("cpu-statistics");
+}
+
+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;
+ xo_open_list("cpu");
+ for (i = 0; i <= maxid; i++) {
+ if ((cpumask & (1ul << i)) == 0)
+ continue;
+ xo_open_instance("cpu");
+ xo_emit("{ke:name/%d}", i);
+ 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;
+ percent("user", (cur_cp_times[i * CPUSTATES + CP_USER] +
+ cur_cp_times[i * CPUSTATES + CP_NICE]) * lpct, &over);
+ percent("system", (cur_cp_times[i * CPUSTATES + CP_SYS] +
+ cur_cp_times[i * CPUSTATES + CP_INTR]) * lpct, &over);
+ percent("idle", cur_cp_times[i * CPUSTATES + CP_IDLE] * lpct,
+ &over);
+ xo_close_instance("cpu");
+ }
+ xo_close_list("cpu");
+}
+
+static unsigned int
+read_intrcnts(unsigned long **intrcnts)
+{
+ size_t intrcntlen;
+
+ if (kd != NULL) {
+ kread(X_SINTRCNT, &intrcntlen, sizeof(intrcntlen));
+ if ((*intrcnts = malloc(intrcntlen)) == NULL)
+ err(1, "malloc()");
+ kread(X_INTRCNT, *intrcnts, intrcntlen);
+ } else {
+ for (*intrcnts = NULL, intrcntlen = 1024; ; intrcntlen *= 2) {
+ *intrcnts = reallocf(*intrcnts, intrcntlen);
+ if (*intrcnts == NULL)
+ err(1, "reallocf()");
+ if (mysysctl("hw.intrcnt",
+ *intrcnts, &intrcntlen, NULL, 0) == 0)
+ break;
+ }
+ }
+
+ return (intrcntlen / sizeof(unsigned long));
+}
+
+static void
+print_intrcnts(unsigned long *intrcnts, unsigned long *old_intrcnts,
+ char *intrnames, unsigned int nintr,
+ size_t istrnamlen, long long period_ms)
+{
+ unsigned long *intrcnt, *old_intrcnt;
+ uint64_t inttotal, old_inttotal, total_count, total_rate;
+ char* intrname;
+ unsigned int i;
+
+ inttotal = 0;
+ old_inttotal = 0;
+ intrname = intrnames;
+ xo_open_list("interrupt");
+ for (i = 0, intrcnt=intrcnts, old_intrcnt=old_intrcnts; i < nintr; i++) {
+ if (intrname[0] != '\0' && (*intrcnt != 0 || aflag)) {
+ unsigned long count, rate;
+
+ count = *intrcnt - *old_intrcnt;
+ rate = (count * 1000 + period_ms / 2) / period_ms;
+ xo_open_instance("interrupt");
+ xo_emit("{d:name/%-*s}{ket:name/%s} "
+ "{:total/%20lu} {:rate/%10lu}\n",
+ (int)istrnamlen, intrname,
+ intrname, count, rate);
+ xo_close_instance("interrupt");
+ }
+ intrname += strlen(intrname) + 1;
+ inttotal += *intrcnt++;
+ old_inttotal += *old_intrcnt++;
+ }
+ total_count = inttotal - old_inttotal;
+ total_rate = (total_count * 1000 + period_ms / 2) / period_ms;
+ xo_close_list("interrupt");
+ xo_emit("{L:/%-*s} {:total-interrupts/%20" PRIu64 "} "
+ "{:total-rate/%10" PRIu64 "}\n", (int)istrnamlen,
+ "Total", total_count, total_rate);
+}
+
+static void
+dointr(unsigned int interval, int reps)
+{
+ unsigned long *intrcnts;
+ long long uptime, period_ms;
+ unsigned long *old_intrcnts = NULL;
+ size_t clen, inamlen, istrnamlen;
+ char *intrnames, *intrname;
+
+ uptime = getuptime();
+
+ /* Get the names of each interrupt source */
+ if (kd != NULL) {
+ kread(X_SINTRNAMES, &inamlen, sizeof(inamlen));
+ if ((intrnames = malloc(inamlen)) == NULL)
+ xo_err(1, "malloc()");
+ kread(X_INTRNAMES, intrnames, inamlen);
+ } else {
+ for (intrnames = NULL, inamlen = 1024; ; inamlen *= 2) {
+ if ((intrnames = reallocf(intrnames, inamlen)) == NULL)
+ xo_err(1, "reallocf()");
+ if (mysysctl("hw.intrnames",
+ intrnames, &inamlen, NULL, 0) == 0)
+ break;
+ }
+ }
+
+ /* Determine the length of the longest interrupt name */
+ intrname = intrnames;
+ istrnamlen = strlen("interrupt");
+ while(*intrname != '\0') {
+ clen = strlen(intrname);
+ if (clen > istrnamlen)
+ istrnamlen = clen;
+ intrname += strlen(intrname) + 1;
+ }
+ xo_emit("{T:/%-*s} {T:/%20s} {T:/%10s}\n",
+ (int)istrnamlen, "interrupt", "total", "rate");
+
+ /*
+ * Loop reps times printing differential interrupt counts. If reps is
+ * zero, then run just once, printing total counts
+ */
+ xo_open_container("interrupt-statistics");
+
+ period_ms = uptime / 1000000;
+ while(1) {
+ unsigned int nintr;
+ long long old_uptime;
+
+ nintr = read_intrcnts(&intrcnts);
+ /*
+ * Initialize old_intrcnts to 0 for the first pass, so
+ * print_intrcnts will print total interrupts since boot
+ */
+ if (old_intrcnts == NULL) {
+ old_intrcnts = calloc(nintr, sizeof(unsigned long));
+ if (old_intrcnts == NULL)
+ xo_err(1, "calloc()");
+ }
+
+ print_intrcnts(intrcnts, old_intrcnts, intrnames, nintr,
+ istrnamlen, period_ms);
+ xo_flush();
+
+ free(old_intrcnts);
+ old_intrcnts = intrcnts;
+ if (reps >= 0 && --reps <= 0)
+ break;
+ usleep(interval * 1000);
+ old_uptime = uptime;
+ uptime = getuptime();
+ period_ms = (uptime - old_uptime) / 1000000;
+ }
+
+ xo_close_container("interrupt-statistics");
+}
+
+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) {
+ xo_warn("memstat_mtl_alloc");
+ return;
+ }
+ if (kd == NULL) {
+ if (memstat_sysctl_malloc(mtlp, 0) < 0) {
+ xo_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)
+ xo_warnx("memstat_kvm_malloc: %s",
+ kvm_geterr(kd));
+ else
+ xo_warnx("memstat_kvm_malloc: %s",
+ memstat_strerror(error));
+ }
+ }
+ xo_open_container("malloc-statistics");
+ xo_emit("{T:/%13s} {T:/%5s} {T:/%6s} {T:/%7s} {T:/%8s} {T:Size(s)}\n",
+ "Type", "InUse", "MemUse", "HighUse", "Requests");
+ xo_open_list("memory");
+ 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;
+ xo_open_instance("memory");
+ xo_emit("{k:type/%13s/%s} {:in-use/%5" PRIu64 "} "
+ "{:memory-use/%5" PRIu64 "}{U:K} {:high-use/%7s} "
+ "{:requests/%8" PRIu64 "} ",
+ memstat_get_name(mtp), memstat_get_count(mtp),
+ (memstat_get_bytes(mtp) + 1023) / 1024, "-",
+ memstat_get_numallocs(mtp));
+ first = 1;
+ xo_open_list("size");
+ for (i = 0; i < 32; i++) {
+ if (memstat_get_sizemask(mtp) & (1 << i)) {
+ if (!first)
+ xo_emit(",");
+ xo_emit("{l:size/%d}", 1 << (i + 4));
+ first = 0;
+ }
+ }
+ xo_close_list("size");
+ xo_close_instance("memory");
+ xo_emit("\n");
+ }
+ xo_close_list("memory");
+ xo_close_container("malloc-statistics");
+ 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) {
+ xo_warn("memstat_mtl_alloc");
+ return;
+ }
+ if (kd == NULL) {
+ if (memstat_sysctl_uma(mtlp, 0) < 0) {
+ xo_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)
+ xo_warnx("memstat_kvm_uma: %s",
+ kvm_geterr(kd));
+ else
+ xo_warnx("memstat_kvm_uma: %s",
+ memstat_strerror(error));
+ }
+ }
+ xo_open_container("memory-zone-statistics");
+ xo_emit("{T:/%-20s} {T:/%6s} {T:/%6s} {T:/%8s} {T:/%8s} {T:/%8s} "
+ "{T:/%4s} {T:/%4s}\n\n", "ITEM", "SIZE",
+ "LIMIT", "USED", "FREE", "REQ", "FAIL", "SLEEP");
+ xo_open_list("zone");
+ for (mtp = memstat_mtl_first(mtlp); mtp != NULL;
+ mtp = memstat_mtl_next(mtp)) {
+ strlcpy(name, memstat_get_name(mtp), MEMTYPE_MAXNAME);
+ strcat(name, ":");
+ xo_open_instance("zone");
+ xo_emit("{d:name/%-20s}{ke:name/%s} {:size/%6" PRIu64 "}, "
+ "{:limit/%6" PRIu64 "},{:used/%8" PRIu64 "},"
+ "{:free/%8" PRIu64 "},{:requests/%8" PRIu64 "},"
+ "{:fail/%4" PRIu64 "},{:sleep/%4" PRIu64 "}\n", name,
+ memstat_get_name(mtp),
+ 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));
+ xo_close_instance("zone");
+ }
+ memstat_mtl_free(mtlp);
+ xo_close_list("zone");
+ xo_close_container("memory-zone-statistics");
+ xo_emit("\n");
+}
+
+static void
+display_object(struct kinfo_vmobject *kvo)
+{
+ const char *str;
+
+ xo_open_instance("object");
+ xo_emit("{:resident/%5jd} ", (uintmax_t)kvo->kvo_resident);
+ xo_emit("{:active/%5jd} ", (uintmax_t)kvo->kvo_active);
+ xo_emit("{:inactive/%5jd} ", (uintmax_t)kvo->kvo_inactive);
+ xo_emit("{:refcount/%3d} ", kvo->kvo_ref_count);
+ xo_emit("{:shadowcount/%3d} ", kvo->kvo_shadow_count);
+ switch (kvo->kvo_memattr) {
+#ifdef VM_MEMATTR_UNCACHEABLE
+ case VM_MEMATTR_UNCACHEABLE:
+ str = "UC";
+ break;
+#endif
+#ifdef VM_MEMATTR_WRITE_COMBINING
+ case VM_MEMATTR_WRITE_COMBINING:
+ str = "WC";
+ break;
+#endif
+#ifdef VM_MEMATTR_WRITE_THROUGH
+ case VM_MEMATTR_WRITE_THROUGH:
+ str = "WT";
+ break;
+#endif
+#ifdef VM_MEMATTR_WRITE_PROTECTED
+ case VM_MEMATTR_WRITE_PROTECTED:
+ str = "WP";
+ break;
+#endif
+#ifdef VM_MEMATTR_WRITE_BACK
+ case VM_MEMATTR_WRITE_BACK:
+ str = "WB";
+ break;
+#endif
+#ifdef VM_MEMATTR_WEAK_UNCACHEABLE
+ case VM_MEMATTR_WEAK_UNCACHEABLE:
+ str = "UC-";
+ break;
+#endif
+#ifdef VM_MEMATTR_WB_WA
+ case VM_MEMATTR_WB_WA:
+ str = "WB";
+ break;
+#endif
+#ifdef VM_MEMATTR_NOCACHE
+ case VM_MEMATTR_NOCACHE:
+ str = "NC";
+ break;
+#endif
+#ifdef VM_MEMATTR_DEVICE
+ case VM_MEMATTR_DEVICE:
+ str = "DEV";
+ break;
+#endif
+#ifdef VM_MEMATTR_CACHEABLE
+ case VM_MEMATTR_CACHEABLE:
+ str = "C";
+ break;
+#endif
+#ifdef VM_MEMATTR_PREFETCHABLE
+ case VM_MEMATTR_PREFETCHABLE:
+ str = "PRE";
+ break;
+#endif
+ default:
+ str = "??";
+ break;
+ }
+ xo_emit("{:attribute/%-3s} ", str);
+ switch (kvo->kvo_type) {
+ case KVME_TYPE_NONE:
+ str = "--";
+ break;
+ case KVME_TYPE_DEFAULT:
+ str = "df";
+ break;
+ case KVME_TYPE_VNODE:
+ str = "vn";
+ break;
+ case KVME_TYPE_SWAP:
+ str = "sw";
+ break;
+ case KVME_TYPE_DEVICE:
+ str = "dv";
+ break;
+ case KVME_TYPE_PHYS:
+ str = "ph";
+ break;
+ case KVME_TYPE_DEAD:
+ str = "dd";
+ break;
+ case KVME_TYPE_SG:
+ str = "sg";
+ break;
+ case KVME_TYPE_UNKNOWN:
+ default:
+ str = "??";
+ break;
+ }
+ xo_emit("{:type/%-2s} ", str);
+ xo_emit("{:path/%-s}\n", kvo->kvo_path);
+ xo_close_instance("object");
+}
+
+static void
+doobjstat(void)
+{
+ struct kinfo_vmobject *kvo;
+ int cnt, i;
+
+ kvo = kinfo_getvmobject(&cnt);
+ if (kvo == NULL) {
+ xo_warn("Failed to fetch VM object list");
+ return;
+ }
+ xo_emit("{T:RES/%5s} {T:ACT/%5s} {T:INACT/%5s} {T:REF/%3s} {T:SHD/%3s} "
+ "{T:CM/%3s} {T:TP/%2s} {T:PATH/%s}\n");
+ xo_open_list("object");
+ for (i = 0; i < cnt; i++)
+ display_object(&kvo[i]);
+ free(kvo);
+ xo_close_list("object");
+}
+
+/*
+ * 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;
+ xo_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;
+ xo_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)
+ xo_err(1, "%s: realloc", __func__);
+ size *= 2;
+ }
+ if (kvm_read(kd, (u_long)strp + n, &ret[n], 1) != 1)
+ xo_errx(1, "%s: %s", __func__, kvm_geterr(kd));
+ } while (ret[n++] != '\0');
+ return (ret);
+}
+
+static void
+usage(void)
+{
+ xo_error("%s%s",
+ "usage: vmstat [-afHhimoPsz] [-M core [-N system]] [-c count] [-n devs]\n",
+ " [-p type,if,pass] [-w wait] [disks] [wait [count]]\n");
+ xo_finish();
+ exit(1);
+}