From dba2dfc663d4b96b8f14609fec72246f8e60f9c5 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 10 Nov 2016 13:25:27 +0100 Subject: [PATCH] VMSTAT(8): Import from FreeBSD --- freebsd/usr.bin/vmstat/vmstat.c | 1731 +++++++++++++++++++++++++++++++ 1 file changed, 1731 insertions(+) create mode 100644 freebsd/usr.bin/vmstat/vmstat.c 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 + +/* + * 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#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); +}