procstat_cs.c revision 310121 
1/*-
2 * Copyright (c) 2007 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/usr.bin/procstat/procstat_cs.c 310121 2016-12-15 16:52:17Z vangyzen $
27 */
28
29#include <sys/param.h>
30#include <sys/cpuset.h>
31#include <sys/sysctl.h>
32#include <sys/user.h>
33
34#include <err.h>
35#include <errno.h>
36#include <libprocstat.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40
41#include "procstat.h"
42
43void
44procstat_cs(struct procstat *procstat, struct kinfo_proc *kipp)
45{
46	cpusetid_t cs;
47	cpuset_t mask;
48	struct kinfo_proc *kip;
49	unsigned int count, i;
50	int once, twice, lastcpu, cpu;
51
52	if (!hflag)
53		printf("%5s %6s %-19s %-19s %2s %4s %-7s\n", "PID",
54		    "TID", "COMM", "TDNAME", "CPU", "CSID", "CPU MASK");
55
56	kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
57	    kipp->ki_pid, &count);
58	if (kip == NULL)
59		return;
60	kinfo_proc_sort(kip, count);
61	for (i = 0; i < count; i++) {
62		kipp = &kip[i];
63		printf("%5d ", kipp->ki_pid);
64		printf("%6d ", kipp->ki_tid);
65		printf("%-19s ", strlen(kipp->ki_comm) ?
66		    kipp->ki_comm : "-");
67		printf("%-19s ", kinfo_proc_thread_name(kipp));
68		if (kipp->ki_oncpu != 255)
69			printf("%3d ", kipp->ki_oncpu);
70		else if (kipp->ki_lastcpu != 255)
71			printf("%3d ", kipp->ki_lastcpu);
72		else
73			printf("%3s ", "-");
74		if (cpuset_getid(CPU_LEVEL_CPUSET, CPU_WHICH_TID,
75		    kipp->ki_tid, &cs) != 0) {
76			cs = CPUSET_INVALID;
77		}
78		printf("%4d ", cs);
79		if ((cs != CPUSET_INVALID) &&
80		    (cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID,
81		    kipp->ki_tid, sizeof(mask), &mask) == 0)) {
82			lastcpu = -1;
83			once = 0;
84			twice = 0;
85			for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
86				if (CPU_ISSET(cpu, &mask)) {
87					if (once == 0) {
88						printf("%d", cpu);
89						once = 1;
90					} else if (cpu == lastcpu + 1) {
91						twice = 1;
92					} else if (twice == 1) {
93						printf("-%d,%d", lastcpu, cpu);
94						twice = 0;
95					} else
96						printf(",%d", cpu);
97					lastcpu = cpu;
98				}
99			}
100			if (once && twice)
101				printf("-%d", lastcpu);
102		}
103		printf("\n");
104	}
105	procstat_freeprocs(procstat, kip);
106}
107