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dc0aa0675b
flag to procstat. - Add an -H flag to request information about threads rather than processes when dumping statistics. Currently it is only used for -r to display resource usage for individual threads instead of the entire process. Reviewed by: kib (older version without -H) MFC after: 1 month
304 lines
6.2 KiB
C
304 lines
6.2 KiB
C
/*-
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* Copyright (c) 2007, 2011 Robert N. M. Watson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <err.h>
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#include <libprocstat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include "procstat.h"
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static int aflag, bflag, cflag, eflag, fflag, iflag, jflag, kflag, lflag, rflag;
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static int sflag, tflag, vflag, xflag;
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int hflag, nflag, Cflag, Hflag;
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static void
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usage(void)
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{
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fprintf(stderr, "usage: procstat [-CHhn] [-M core] [-N system] "
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"[-w interval] \n");
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fprintf(stderr, " [-b | -c | -e | -f | -i | -j | -k | "
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"-l | -r | -s | -t | -v | -x]\n");
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fprintf(stderr, " [-a | pid | core ...]\n");
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exit(EX_USAGE);
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}
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static void
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procstat(struct procstat *prstat, struct kinfo_proc *kipp)
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{
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if (bflag)
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procstat_bin(prstat, kipp);
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else if (cflag)
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procstat_args(prstat, kipp);
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else if (eflag)
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procstat_env(prstat, kipp);
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else if (fflag)
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procstat_files(prstat, kipp);
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else if (iflag)
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procstat_sigs(prstat, kipp);
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else if (jflag)
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procstat_threads_sigs(prstat, kipp);
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else if (kflag)
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procstat_kstack(prstat, kipp, kflag);
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else if (lflag)
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procstat_rlimit(prstat, kipp);
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else if (rflag)
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procstat_rusage(prstat, kipp);
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else if (sflag)
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procstat_cred(prstat, kipp);
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else if (tflag)
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procstat_threads(prstat, kipp);
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else if (vflag)
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procstat_vm(prstat, kipp);
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else if (xflag)
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procstat_auxv(prstat, kipp);
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else
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procstat_basic(kipp);
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}
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/*
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* Sort processes first by pid and then tid.
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*/
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static int
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kinfo_proc_compare(const void *a, const void *b)
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{
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int i;
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i = ((const struct kinfo_proc *)a)->ki_pid -
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((const struct kinfo_proc *)b)->ki_pid;
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if (i != 0)
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return (i);
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i = ((const struct kinfo_proc *)a)->ki_tid -
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((const struct kinfo_proc *)b)->ki_tid;
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return (i);
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}
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void
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kinfo_proc_sort(struct kinfo_proc *kipp, int count)
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{
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qsort(kipp, count, sizeof(*kipp), kinfo_proc_compare);
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}
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int
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main(int argc, char *argv[])
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{
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int ch, interval, tmp;
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int i;
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struct kinfo_proc *p;
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struct procstat *prstat, *cprstat;
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long l;
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pid_t pid;
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char *dummy;
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char *nlistf, *memf;
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int cnt;
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interval = 0;
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memf = nlistf = NULL;
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while ((ch = getopt(argc, argv, "CHN:M:abcefijklhrstvw:x")) != -1) {
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switch (ch) {
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case 'C':
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Cflag++;
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break;
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case 'H':
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Hflag++;
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break;
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case 'M':
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memf = optarg;
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break;
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case 'N':
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nlistf = optarg;
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break;
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case 'a':
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aflag++;
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break;
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case 'b':
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bflag++;
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break;
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case 'c':
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cflag++;
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break;
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case 'e':
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eflag++;
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break;
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case 'f':
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fflag++;
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break;
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case 'i':
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iflag++;
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break;
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case 'j':
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jflag++;
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break;
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case 'k':
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kflag++;
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break;
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case 'l':
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lflag++;
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break;
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case 'n':
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nflag++;
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break;
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case 'h':
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hflag++;
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break;
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case 'r':
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rflag++;
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break;
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case 's':
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sflag++;
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break;
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case 't':
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tflag++;
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break;
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case 'v':
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vflag++;
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break;
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case 'w':
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l = strtol(optarg, &dummy, 10);
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if (*dummy != '\0')
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usage();
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if (l < 1 || l > INT_MAX)
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usage();
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interval = l;
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break;
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case 'x':
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xflag++;
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break;
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case '?':
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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/* We require that either 0 or 1 mode flags be set. */
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tmp = bflag + cflag + eflag + fflag + iflag + jflag + (kflag ? 1 : 0) +
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lflag + rflag + sflag + tflag + vflag + xflag;
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if (!(tmp == 0 || tmp == 1))
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usage();
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/* We allow -k to be specified up to twice, but not more. */
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if (kflag > 2)
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usage();
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/* Must specify either the -a flag or a list of pids. */
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if (!(aflag == 1 && argc == 0) && !(aflag == 0 && argc > 0))
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usage();
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/* Only allow -C with -f. */
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if (Cflag && !fflag)
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usage();
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if (memf != NULL)
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prstat = procstat_open_kvm(nlistf, memf);
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else
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prstat = procstat_open_sysctl();
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if (prstat == NULL)
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errx(1, "procstat_open()");
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do {
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if (aflag) {
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p = procstat_getprocs(prstat, KERN_PROC_PROC, 0, &cnt);
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if (p == NULL)
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errx(1, "procstat_getprocs()");
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kinfo_proc_sort(p, cnt);
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for (i = 0; i < cnt; i++) {
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procstat(prstat, &p[i]);
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/* Suppress header after first process. */
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hflag = 1;
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}
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procstat_freeprocs(prstat, p);
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}
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for (i = 0; i < argc; i++) {
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l = strtol(argv[i], &dummy, 10);
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if (*dummy == '\0') {
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if (l < 0)
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usage();
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pid = l;
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p = procstat_getprocs(prstat, KERN_PROC_PID, pid, &cnt);
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if (p == NULL)
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errx(1, "procstat_getprocs()");
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if (cnt != 0)
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procstat(prstat, p);
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procstat_freeprocs(prstat, p);
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} else {
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cprstat = procstat_open_core(argv[i]);
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if (cprstat == NULL) {
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warnx("procstat_open()");
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continue;
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}
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p = procstat_getprocs(cprstat, KERN_PROC_PID,
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-1, &cnt);
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if (p == NULL)
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errx(1, "procstat_getprocs()");
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if (cnt != 0)
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procstat(cprstat, p);
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procstat_freeprocs(cprstat, p);
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procstat_close(cprstat);
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}
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/* Suppress header after first process. */
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hflag = 1;
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}
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if (interval)
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sleep(interval);
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} while (interval);
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procstat_close(prstat);
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exit(0);
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}
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