freebsd-dev/usr.bin/procstat/procstat_threads.c

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/*-
* Copyright (c) 2007 Robert N. M. Watson
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "procstat.h"
void
procstat_threads(pid_t pid, struct kinfo_proc *kipp)
{
struct kinfo_proc *kip;
int error, name[4];
unsigned int i;
const char *str;
size_t len;
if (!hflag)
printf("%5s %6s %-16s %-16s %2s %4s %-7s %-9s\n", "PID",
"TID", "COMM", "TDNAME", "CPU", "PRI", "STATE", "WCHAN");
/*
* We need to re-query for thread information, so don't use *kipp.
*/
name[0] = CTL_KERN;
name[1] = KERN_PROC;
name[2] = KERN_PROC_PID | KERN_PROC_INC_THREAD;
name[3] = pid;
len = 0;
error = sysctl(name, 4, NULL, &len, NULL, 0);
if (error < 0 && errno != ESRCH) {
warn("sysctl: kern.proc.pid: %d", pid);
return;
}
if (error < 0)
return;
kip = malloc(len);
if (kip == NULL)
err(-1, "malloc");
if (sysctl(name, 4, kip, &len, NULL, 0) < 0) {
warn("sysctl: kern.proc.pid: %d", pid);
free(kip);
return;
}
kinfo_proc_sort(kip, len / sizeof(*kipp));
for (i = 0; i < len / sizeof(*kipp); i++) {
kipp = &kip[i];
printf("%5d ", pid);
printf("%6d ", kipp->ki_tid);
printf("%-16s ", strlen(kipp->ki_comm) ?
kipp->ki_comm : "-");
printf("%-16s ", (strlen(kipp->ki_ocomm) &&
(strcmp(kipp->ki_comm, kipp->ki_ocomm) != 0)) ?
kipp->ki_ocomm : "-");
if (kipp->ki_oncpu != 255)
printf("%3d ", kipp->ki_oncpu);
else if (kipp->ki_lastcpu != 255)
printf("%3d ", kipp->ki_lastcpu);
else
printf("%3s ", "-");
printf("%4d ", kipp->ki_pri.pri_level);
switch (kipp->ki_stat) {
case SRUN:
str = "run";
break;
case SSTOP:
str = "stop";
break;
case SSLEEP:
str = "sleep";
break;
case SLOCK:
str = "lock";
break;
case SWAIT:
str = "wait";
break;
case SZOMB:
str = "zomb";
break;
case SIDL:
str = "idle";
break;
default:
str = "??";
break;
}
printf("%-7s ", str);
if (kipp->ki_kiflag & KI_LOCKBLOCK) {
printf("*%-8s ", strlen(kipp->ki_lockname) ?
kipp->ki_lockname : "-");
} else {
printf("%-9s ", strlen(kipp->ki_wmesg) ?
kipp->ki_wmesg : "-");
}
printf("\n");
}
free(kip);
}