1/*-
2 * Copyright (c) 2007 Robert N. M. Watson
3 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/11/usr.bin/procstat/procstat_cs.c 310120 2016-12-15 16:51:33Z vangyzen $
28 */
29
30#include <sys/param.h>
31#include <sys/cpuset.h>
32#include <sys/sbuf.h>
33#include <sys/sysctl.h>
34#include <sys/user.h>
35
36#include <err.h>
37#include <errno.h>
38#include <libprocstat.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42
43#include "procstat.h"
44
45void
46procstat_cs(struct procstat *procstat, struct kinfo_proc *kipp)
47{
48	cpusetid_t cs;
49	cpuset_t mask;
50	struct kinfo_proc *kip;
51	struct sbuf *cpusetbuf;
52	unsigned int count, i;
53	int once, twice, lastcpu, cpu;
54
55	if (!hflag)
56		xo_emit("{T:/%5s %6s %-19s %-19s %2s %4s %-7s}\n", "PID",
57		    "TID", "COMM", "TDNAME", "CPU", "CSID", "CPU MASK");
58
59	kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
60	    kipp->ki_pid, &count);
61	if (kip == NULL)
62		return;
63	kinfo_proc_sort(kip, count);
64	for (i = 0; i < count; i++) {
65		kipp = &kip[i];
66		xo_emit("{k:process_id/%5d/%d} ", kipp->ki_pid);
67		xo_emit("{:thread_id/%6d/%d} ", kipp->ki_tid);
68		xo_emit("{:command/%-19s/%s} ", strlen(kipp->ki_comm) ?
69		    kipp->ki_comm : "-");
70		xo_emit("{:thread_name/%-19s/%s} ",
71                    kinfo_proc_thread_name(kipp));
72		if (kipp->ki_oncpu != 255)
73			xo_emit("{:cpu/%3d/%d} ", kipp->ki_oncpu);
74		else if (kipp->ki_lastcpu != 255)
75			xo_emit("{:cpu/%3d/%d} ", kipp->ki_lastcpu);
76		else
77			xo_emit("{:cpu/%3s/%s} ", "-");
78		if (cpuset_getid(CPU_LEVEL_CPUSET, CPU_WHICH_TID,
79		    kipp->ki_tid, &cs) != 0) {
80			cs = CPUSET_INVALID;
81		}
82		xo_emit("{:cpu_set_id/%4d/%d} ", cs);
83		if ((cs != CPUSET_INVALID) &&
84		    (cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID,
85		    kipp->ki_tid, sizeof(mask), &mask) == 0)) {
86			lastcpu = -1;
87			once = 0;
88			twice = 0;
89			cpusetbuf = sbuf_new_auto();
90			for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
91				if (CPU_ISSET(cpu, &mask)) {
92					if (once == 0) {
93						sbuf_printf(cpusetbuf, "%d",
94						    cpu);
95						once = 1;
96					} else if (cpu == lastcpu + 1) {
97						twice = 1;
98					} else if (twice == 1) {
99						sbuf_printf(cpusetbuf, "-%d,%d",
100						    lastcpu, cpu);
101						twice = 0;
102					} else
103						sbuf_printf(cpusetbuf, ",%d",
104						    cpu);
105					lastcpu = cpu;
106				}
107			}
108			if (once && twice)
109				sbuf_printf(cpusetbuf, "-%d", lastcpu);
110			if (sbuf_finish(cpusetbuf) != 0)
111				xo_err(1, "Could not generate output");
112			xo_emit("{:cpu_set/%s}", sbuf_data(cpusetbuf));
113			sbuf_delete(cpusetbuf);
114		}
115		xo_emit("\n");
116	}
117	procstat_freeprocs(procstat, kip);
118}
119