diff options
Diffstat (limited to 'usr.bin/vmstat/vmstat.c')
| -rw-r--r-- | usr.bin/vmstat/vmstat.c | 1626 |
1 files changed, 1626 insertions, 0 deletions
diff --git a/usr.bin/vmstat/vmstat.c b/usr.bin/vmstat/vmstat.c new file mode 100644 index 000000000000..7a7c83fe1ac8 --- /dev/null +++ b/usr.bin/vmstat/vmstat.c @@ -0,0 +1,1626 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/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/user.h> +#define _WANT_VMMETER +#include <sys/vmmeter.h> +#include <sys/pcpu.h> + +#include <vm/vm_param.h> + +#include <ctype.h> +#include <devstat.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 "2" + +static char da[] = "da"; + +enum x_stats { X_SUM, X_HZ, X_STATHZ, X_NCHSTATS, X_INTRNAMES, X_SINTRNAMES, + X_INTRCNT, X_SINTRCNT, X_NINTRCNT }; + +static struct nlist namelist[] = { + [X_SUM] = { .n_name = "_vm_cnt", }, + [X_HZ] = { .n_name = "_hz", }, + [X_STATHZ] = { .n_name = "_stathz", }, + [X_NCHSTATS] = { .n_name = "_nchstats", }, + [X_INTRNAMES] = { .n_name = "_intrnames", }, + [X_SINTRNAMES] = { .n_name = "_sintrnames", }, + [X_INTRCNT] = { .n_name = "_intrcnt", }, + [X_SINTRCNT] = { .n_name = "_sintrcnt", }, + [X_NINTRCNT] = { .n_name = "_nintrcnt", }, + { .n_name = NULL, }, +}; + +static struct devstat_match *matches; +static struct device_selection *dev_select; +static struct statinfo cur, last; +static devstat_select_mode select_mode; +static size_t size_cp_times; +static long *cur_cp_times, *last_cp_times; +static long generation, select_generation; +static int hz, hdrcnt, maxshowdevs; +static int num_devices, num_devices_specified; +static int num_matches, num_selected, num_selections; +static char **specified_devices; + +static struct __vmmeter { + uint64_t v_swtch; + uint64_t v_trap; + uint64_t v_syscall; + uint64_t v_intr; + uint64_t v_soft; + uint64_t v_vm_faults; + uint64_t v_io_faults; + uint64_t v_cow_faults; + uint64_t v_cow_optim; + uint64_t v_zfod; + uint64_t v_ozfod; + uint64_t v_swapin; + uint64_t v_swapout; + uint64_t v_swappgsin; + uint64_t v_swappgsout; + uint64_t v_vnodein; + uint64_t v_vnodeout; + uint64_t v_vnodepgsin; + uint64_t v_vnodepgsout; + uint64_t v_intrans; + uint64_t v_reactivated; + uint64_t v_pdwakeups; + uint64_t v_pdpages; + uint64_t v_pdshortfalls; + uint64_t v_dfree; + uint64_t v_pfree; + uint64_t v_tfree; + uint64_t v_forks; + uint64_t v_vforks; + uint64_t v_rforks; + uint64_t v_kthreads; + uint64_t v_forkpages; + uint64_t v_vforkpages; + uint64_t v_rforkpages; + uint64_t v_kthreadpages; + u_int v_page_size; + u_int v_page_count; + u_int v_free_reserved; + u_int v_free_target; + u_int v_free_min; + u_int v_free_count; + u_int v_wire_count; + u_long v_user_wire_count; + u_int v_nofree_count; + u_int v_active_count; + u_int v_inactive_target; + u_int v_inactive_count; + u_int v_laundry_count; + u_int v_pageout_free_min; + u_int v_interrupt_free_min; + u_int v_free_severe; +} sum, osum; + +#define VMSTAT_DEFAULT_LINES 20 /* Default number of `winlines'. */ +static 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(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 void kreadptr(uintptr_t, void *, size_t); +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[]) +{ + char *bp, *buf, *memf, *nlistf; + float f; + int bufsize, c, reps, todo; + size_t len; + unsigned int interval; + char errbuf[_POSIX2_LINE_MAX]; + + memf = nlistf = NULL; + interval = reps = todo = 0; + maxshowdevs = 2; + + argc = xo_parse_args(argc, argv); + if (argc < 0) + return (argc); + + hflag = isatty(1); + + while ((c = getopt(argc, argv, "ac:fhHiM:mN:n:oPp:sw: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 '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); + xo_open_container("vmstat"); + if (!hflag) + xo_set_options(NULL, "no-humanize"); + 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) { + bufsize = 0; + len = 0; + + /* + * '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; + } + + /* + * 'nintrcnt' doesn't exist in older kernels, but + * that isn't fatal. + */ + if (namelist[X_NINTRCNT].n_type == 0 && c == 1) + goto nlist_ok; + + for (c = 0; c < (int)(nitems(namelist)); 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)(nitems(namelist)); 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)); + if (xo_finish() < 0) + xo_err(EXIT_FAILURE, "stdout"); + exit(EXIT_FAILURE); + } +nlist_ok: + 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(); + if (todo & INTRSTAT) + dointr(interval, reps); + if (todo & VMSTAT) + dovmstat(interval, reps); + xo_close_container("vmstat"); + if (xo_finish() < 0) + xo_err(EXIT_FAILURE, "stdout"); + exit(EXIT_SUCCESS); +} + +static int +mysysctl(const char *name, void *oldp, size_t *oldlenp) +{ + int error; + + error = sysctlbyname(name, oldp, oldlenp, NULL, 0); + 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 = malloc(sizeof(char *)); + for (num_devices_specified = 0; *argv; ++argv) { + if (isdigit(**argv)) + break; + num_devices_specified++; + specified_devices = reallocf(specified_devices, + sizeof(char *) * num_devices_specified); + if (specified_devices == NULL) { + xo_errx(1, "%s", "reallocf (specified_devices)"); + } + 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_vmmeter(struct __vmmeter *vmmp) +{ + struct vmmeter vm_cnt; + size_t size; + + if (kd != NULL) { + kread(X_SUM, &vm_cnt, sizeof(vm_cnt)); +#define GET_COUNTER(name) \ + vmmp->name = kvm_counter_u64_fetch(kd, (u_long)vm_cnt.name) + GET_COUNTER(v_swtch); + GET_COUNTER(v_trap); + GET_COUNTER(v_syscall); + GET_COUNTER(v_intr); + GET_COUNTER(v_soft); + GET_COUNTER(v_vm_faults); + GET_COUNTER(v_io_faults); + GET_COUNTER(v_cow_faults); + GET_COUNTER(v_cow_optim); + GET_COUNTER(v_zfod); + GET_COUNTER(v_ozfod); + GET_COUNTER(v_swapin); + GET_COUNTER(v_swapout); + GET_COUNTER(v_swappgsin); + GET_COUNTER(v_swappgsout); + GET_COUNTER(v_vnodein); + GET_COUNTER(v_vnodeout); + GET_COUNTER(v_vnodepgsin); + GET_COUNTER(v_vnodepgsout); + GET_COUNTER(v_intrans); + GET_COUNTER(v_tfree); + GET_COUNTER(v_forks); + GET_COUNTER(v_vforks); + GET_COUNTER(v_rforks); + GET_COUNTER(v_kthreads); + GET_COUNTER(v_forkpages); + GET_COUNTER(v_vforkpages); + GET_COUNTER(v_rforkpages); + GET_COUNTER(v_kthreadpages); +#undef GET_COUNTER + } else { +#define GET_VM_STATS(cat, name) do { \ + size = sizeof(vmmp->name); \ + mysysctl("vm.stats." #cat "." #name, &vmmp->name, &size); \ +} while (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_pdshortfalls); + 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_user_wire_count); + GET_VM_STATS(vm, v_nofree_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_laundry_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) +{ + size_t size; + + if (kd != NULL) { + /* XXX fill vmtp */ + xo_errx(1, "not implemented"); + } else { + size = sizeof(*vmtp); + mysysctl("vm.vmtotal", vmtp, &size); + 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 void +getcpuinfo(u_long *maskp, int *maxidp) +{ + long *times; + u_long mask; + size_t size; + int empty, i, j, maxcpu, maxid; + + if (kd != NULL) + xo_errx(1, "not implemented"); + mask = 0; + size = sizeof(maxcpu); + mysysctl("kern.smp.maxcpus", &maxcpu, &size); + 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); + 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); + } + if (maskp) + *maskp = mask; + if (maxidp) + *maxidp = maxid; +} + +static void +dovmstat(unsigned int interval, int reps) +{ + struct clockinfo clockrate; + struct vmtotal total; + struct devinfo *tmp_dinfo; + u_long cpumask; + size_t size; + time_t uptime, halfuptime; + int maxid, rate_adj, retval; + + uptime = getuptime() / 1000000000LL; + halfuptime = uptime / 2; + rate_adj = 1; + maxid = 0; + cpumask = 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 { + size = sizeof(clockrate); + mysysctl("kern.clockrate", &clockrate, &size); + if (size != sizeof(clockrate)) + xo_errx(1, "clockrate size mismatch"); + hz = clockrate.hz; + } + + if (Pflag) { + 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); + 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); + 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: + 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; + } + break; + default: + break; + } + + fill_vmmeter(&sum); + fill_vmtotal(&total); + xo_open_container("processes"); + xo_emit("{:runnable/%2d} {:waiting/%2ld} " + "{:swapped-out/%2ld}", total.t_rq - 1, total.t_dw + + total.t_pw, total.t_sw); + xo_close_container("processes"); + xo_open_container("memory"); +#define rate(x) (unsigned long)(((x) * rate_adj + halfuptime) / uptime) + xo_emit(" {[:4}{h,hn-decimal:available-memory/%ju}{]:}", + (uintmax_t)total.t_avm * sum.v_page_size); + xo_emit(" {[:4}{h,hn-decimal:free-memory/%ju}{]:}", + (uintmax_t)total.t_free * sum.v_page_size); + xo_emit(" {[:4}{h,hn-decimal,hn-1000:total-page-faults/%lu}{]:} ", + rate(sum.v_vm_faults - osum.v_vm_faults)); + xo_close_container("memory"); + + xo_open_container("paging-rates"); + xo_emit("{:page-reactivated/%3lu} ", + rate(sum.v_reactivated - osum.v_reactivated)); + xo_emit("{:paged-in/%3lu} ", + rate(sum.v_swapin + sum.v_vnodein - + (osum.v_swapin + osum.v_vnodein))); + xo_emit("{:paged-out/%3lu}", + rate(sum.v_swapout + sum.v_vnodeout - + (osum.v_swapout + osum.v_vnodeout))); + xo_emit(" {[:4}{h,hn-decimal,hn-1000:freed/%lu}{]:}", + rate(sum.v_tfree - osum.v_tfree)); + xo_emit(" {[:4}{h,hn-decimal,hn-1000:scanned/%lu}{]:}", + rate(sum.v_pdpages - osum.v_pdpages)); + xo_close_container("paging-rates"); + + devstats(); + xo_open_container("fault-rates"); + xo_emit(" {[:4}{h,hn-decimal,hn-1000:interrupts/%lu}{]:}" + " {[:4}{h,hn-decimal,hn-1000:system-calls/%lu}{]:}" + " {[:4}{h,hn-decimal,hn-1000:context-switches/%lu}{]:}", + rate(sum.v_intr - osum.v_intr), + rate(sum.v_syscall - osum.v_syscall), + rate(sum.v_swtch - osum.v_swtch)); + xo_close_container("fault-rates"); + if (Pflag) + pcpustats(cpumask, maxid); + else + cpustats(); + xo_emit("\n"); + if (xo_flush() < 0) + xo_err(EXIT_FAILURE, "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 maxid, u_long cpumask) +{ + int i, num_shown; + + num_shown = MIN(num_selected, maxshowdevs); + xo_emit(" {T:procs} {T:memory} {T:/page%*s}", 19, ""); + if (num_shown > 1) + xo_emit(" {T:/disks %*s} ", num_shown * 5 - 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"); + 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:/%3.3s%d} ", dev_select[i].device_name, + 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 __unused) +{ + + wresized = 1; + hdrcnt = 1; +} + +/* + * Update the global `winlines' count of terminal rows. + */ +void +doresize(void) +{ + struct winsize w; + int status; + + 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; +} + +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; + size_t size; + 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-out-pages/%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("{:page-reclamation-shortfalls/%9u} {N:clean page reclamation " + "shortfalls}\n", sum.v_pdshortfalls); + xo_emit("{:reactivated/%9u} {N:pages reactivated by the page daemon}\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-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("{:laundry-pages/%9u} {N:pages in the laundry queue}\n", + sum.v_laundry_count); + xo_emit("{:wired-pages/%9u} {N:pages wired down}\n", + sum.v_wire_count); + xo_emit("{:virtual-user-wired-pages/%9lu} {N:virtual user pages wired " + "down}\n", sum.v_user_wire_count); + xo_emit("{:nofree-pages/%9u} {N:permanently allocated pages}\n", + sum.v_nofree_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 = sizeof(lnchstats); + mysysctl("vfs.cache.nchstats", &lnchstats, &size); + 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) +{ + long double busy_seconds, transfers_per_second; + long tmp; + int di, dn, state; + + 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++) { + 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/%s%d}", + dev_select[dn].device_name, + dev_select[dn].unit_number); + xo_emit("{[:5}{h,hn-decimal,hn-1000:transfers/%ju}{]:}", + (uintmax_t)transfers_per_second); + xo_close_instance("device"); + } + xo_close_list("device"); +} + +static void +percent(const char *name, long pctv, int *over) +{ + char fmt[64]; + + snprintf(fmt, sizeof(fmt), " {:%s/%%%uld/%%ld}", name, + (*over && pctv <= 9) ? 1 : 2); + xo_emit(fmt, pctv); + if (*over && pctv <= 9) + (*over)--; + else if (pctv >= 100) + (*over)++; +} + +static void +cpustats(void) +{ + long total; + int state, over; + + total = 0; + for (state = 0; state < CPUSTATES; ++state) + total += cur.cp_time[state]; + if (total == 0) + total = 1; + over = 0; + xo_open_container("cpu-statistics"); + percent("user", 100LL * (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) / + total, &over); + percent("system", 100LL * (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) / + total, &over); + percent("idle", 100LL * cur.cp_time[CP_IDLE] / total, &over); + xo_close_container("cpu-statistics"); +} + +static void +pcpustats(u_long cpumask, int maxid) +{ + long tmp, total; + int i, state, 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 == 0) + total = 1; + percent("user", + 100LL * (cur_cp_times[i * CPUSTATES + CP_USER] + + cur_cp_times[i * CPUSTATES + CP_NICE]) / total, &over); + percent("system", + 100LL * (cur_cp_times[i * CPUSTATES + CP_SYS] + + cur_cp_times[i * CPUSTATES + CP_INTR]) / total, &over); + percent("idle", + 100LL * cur_cp_times[i * CPUSTATES + CP_IDLE] / total, + &over); + xo_close_instance("cpu"); + } + xo_close_list("cpu"); +} + +static unsigned int +read_intrcnts(unsigned long **intrcnts) +{ + size_t intrcntlen; + uintptr_t kaddr; + + if (kd != NULL) { + kread(X_SINTRCNT, &intrcntlen, sizeof(intrcntlen)); + if ((*intrcnts = malloc(intrcntlen)) == NULL) + xo_err(1, "malloc()"); + if (namelist[X_NINTRCNT].n_type == 0) + kread(X_INTRCNT, *intrcnts, intrcntlen); + else { + kread(X_INTRCNT, &kaddr, sizeof(kaddr)); + kreadptr(kaddr, *intrcnts, intrcntlen); + } + } else { + for (*intrcnts = NULL, intrcntlen = 1024; ; intrcntlen *= 2) { + *intrcnts = reallocf(*intrcnts, intrcntlen); + if (*intrcnts == NULL) + xo_err(1, "reallocf()"); + if (mysysctl("hw.intrcnt", *intrcnts, &intrcntlen) == 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) +{ + uint64_t inttotal, old_inttotal, total_count, total_rate; + unsigned long count, rate; + unsigned int i; + + inttotal = 0; + old_inttotal = 0; + xo_open_list("interrupt"); + for (i = 0; i < nintr; i++) { + if (intrnames[0] != '\0' && (*intrcnts != 0 || aflag)) { + count = *intrcnts - *old_intrcnts; + rate = ((uint64_t)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, intrnames, intrnames, count, rate); + xo_close_instance("interrupt"); + } + intrnames += strlen(intrnames) + 1; + inttotal += *intrcnts++; + old_inttotal += *old_intrcnts++; + } + 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/%20ju} " + "{:total-rate/%10ju}\n", (int)istrnamlen, + "Total", (uintmax_t)total_count, (uintmax_t)total_rate); +} + +static void +dointr(unsigned int interval, int reps) +{ + unsigned long *intrcnts, *old_intrcnts; + char *intrname, *intrnames; + long long period_ms, old_uptime, uptime; + size_t clen, inamlen, istrnamlen; + uintptr_t kaddr; + unsigned int nintr; + + old_intrcnts = NULL; + 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()"); + if (namelist[X_NINTRCNT].n_type == 0) + kread(X_INTRNAMES, intrnames, inamlen); + else { + kread(X_INTRNAMES, &kaddr, sizeof(kaddr)); + kreadptr(kaddr, 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) == 0) + break; + } + } + + /* Determine the length of the longest interrupt name */ + intrname = intrnames; + istrnamlen = strlen("interrupt"); + while (intrname < intrnames + inamlen) { + 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) { + 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); + if (xo_flush() < 0) + xo_err(EXIT_FAILURE, "stdout"); + + 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; + size_t i, zones; + int error, first; + + 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:/%16s} {T:/%4s} {T:/%5s} {T:/%3s} {T:Size(s)}\n", + "Type", "Use", "Memory", "Req"); + xo_open_list("memory"); + zones = memstat_malloc_zone_get_count(); + 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/%16s/%s} " + "{[:4}{h,hn-decimal,hn-1000:in-use/%ju}{]:} " + "{[:5}{h,hn-decimal:memory-use/%ju}{]:} " + "{[:4}{h,hn-decimal,hn-1000:requests/%ju}{]:} ", + memstat_get_name(mtp), (uintmax_t)memstat_get_count(mtp), + (uintmax_t)memstat_get_bytes(mtp), + (uintmax_t)memstat_get_numallocs(mtp)); + first = 1; + xo_open_list("size"); + for (i = 0; i < zones; i++) { + if (memstat_malloc_zone_used(mtp, i)) { + if (!first) + xo_emit(","); + xo_emit("{lh:size/%d}", memstat_malloc_zone_get_size(i)); + 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; + int error, len; + + 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:/%-19s} {T:/%7s} {T:/%7s} {T:/%8s} {T:/%8s} {T:/%8s} " + "{T:/%4s} {T:/%4s} {T:/%4s}\n", "ITEM", "SIZE", + "LIMIT", "USED", "FREE", "REQ", "FAIL", "SLEEP", "XDOM"); + xo_open_list("zone"); + for (mtp = memstat_mtl_first(mtlp); mtp != NULL; + mtp = memstat_mtl_next(mtp)) { + len = strlen(memstat_get_name(mtp)); + xo_open_instance("zone"); + xo_emit("{k:name/%s}:{d:size/%*ju}{e:size/%ju}," + "{:limit/%7ju},{:used/%8ju}," + "{:free/%8ju},{:requests/%8ju}," + "{:fail/%4ju},{:sleep/%4ju},{:xdomain/%4ju}\n", + memstat_get_name(mtp), MAX(1, 26 - len), + (uintmax_t)memstat_get_size(mtp), + (uintmax_t)memstat_get_size(mtp), + (uintmax_t)memstat_get_countlimit(mtp), + (uintmax_t)memstat_get_count(mtp), + (uintmax_t)memstat_get_free(mtp), + (uintmax_t)memstat_get_numallocs(mtp), + (uintmax_t)memstat_get_failures(mtp), + (uintmax_t)memstat_get_sleeps(mtp), + (uintmax_t)memstat_get_xdomain(mtp)); + xo_close_instance("zone"); + } + memstat_mtl_free(mtlp); + xo_close_list("zone"); + xo_close_container("memory-zone-statistics"); +} + +static void +display_object(struct kinfo_vmobject *kvo) +{ + const char *str; + + xo_open_instance("object"); + xo_emit("{:resident/%5ju} ", (uintmax_t)kvo->kvo_resident); + xo_emit("{:active/%5ju} ", (uintmax_t)kvo->kvo_active); + xo_emit("{:inactive/%5ju} ", (uintmax_t)kvo->kvo_inactive); + xo_emit("{:laundry/%5ju} ", (uintmax_t)kvo->kvo_laundry); + xo_emit("{:refcount/%3d} ", kvo->kvo_ref_count); + xo_emit("{:shadowcount/%3d} ", kvo->kvo_shadow_count); + +#define MEMATTR_STR(type, val) \ + if (kvo->kvo_memattr == (type)) { \ + str = (val); \ + } else +#ifdef VM_MEMATTR_UNCACHEABLE + MEMATTR_STR(VM_MEMATTR_UNCACHEABLE, "UC") +#endif +#ifdef VM_MEMATTR_WRITE_COMBINING + MEMATTR_STR(VM_MEMATTR_WRITE_COMBINING, "WC") +#endif +#ifdef VM_MEMATTR_WRITE_THROUGH + MEMATTR_STR(VM_MEMATTR_WRITE_THROUGH, "WT") +#endif +#ifdef VM_MEMATTR_WRITE_PROTECTED + MEMATTR_STR(VM_MEMATTR_WRITE_PROTECTED, "WP") +#endif +#ifdef VM_MEMATTR_WRITE_BACK + MEMATTR_STR(VM_MEMATTR_WRITE_BACK, "WB") +#endif +#ifdef VM_MEMATTR_WEAK_UNCACHEABLE + MEMATTR_STR(VM_MEMATTR_WEAK_UNCACHEABLE, "UC-") +#endif +#ifdef VM_MEMATTR_WB_WA + MEMATTR_STR(VM_MEMATTR_WB_WA, "WB") +#endif +#ifdef VM_MEMATTR_NOCACHE + MEMATTR_STR(VM_MEMATTR_NOCACHE, "NC") +#endif +#ifdef VM_MEMATTR_DEVICE + MEMATTR_STR(VM_MEMATTR_DEVICE, "DEV") +#endif +#ifdef VM_MEMATTR_DEVICE_NP + MEMATTR_STR(VM_MEMATTR_DEVICE, "NP") +#endif +#ifdef VM_MEMATTR_CACHEABLE + MEMATTR_STR(VM_MEMATTR_CACHEABLE, "C") +#endif +#ifdef VM_MEMATTR_PREFETCHABLE + MEMATTR_STR(VM_MEMATTR_PREFETCHABLE, "PRE") +#endif + { + str = "??"; + } +#undef MEMATTR_STR + 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_MGTDEVICE: + str = "md"; + break; + case KVME_TYPE_UNKNOWN: + default: + str = "??"; + break; + } + xo_emit("{:type/%-2s} ", str); + if ((kvo->kvo_flags & KVMO_FLAG_SYSVSHM) != 0) + xo_emit("{:sysvshm/sysvshm(%ju:%u)} ", + (uintmax_t)kvo->kvo_vn_fileid, kvo->kvo_vn_fsid_freebsd11); + if ((kvo->kvo_flags & KVMO_FLAG_POSIXSHM) != 0) + xo_emit("{:posixshm/posixshm@/posixshm}"); + 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:LAUND/%5s} " + "{T:REF/%3s} {T:SHD/%3s} {T:CM/%2s} {T:TP/%3s} {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 void +kreadptr(uintptr_t addr, void *buf, size_t size) +{ + + if ((size_t)kvm_read(kd, addr, buf, size) != size) + xo_errx(1, "%s", kvm_geterr(kd)); +} + +static void __dead2 +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"); + if (xo_finish() < 0) + xo_err(EXIT_FAILURE, "stdout"); + exit(EXIT_FAILURE); +} |