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
28 #include <sys/param.h>
29 #include <sys/cpuset.h>
30 #include <sys/sbuf.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
43 void
procstat_cs(struct procstat * procstat,struct kinfo_proc * kipp)44 procstat_cs(struct procstat *procstat, struct kinfo_proc *kipp)
45 {
46 cpusetid_t cs;
47 cpuset_t mask;
48 struct kinfo_proc *kip;
49 struct sbuf *cpusetbuf;
50 unsigned int count, i;
51 int once, twice, lastcpu, cpu;
52
53 if ((procstat_opts & PS_OPT_NOHEADER) == 0)
54 xo_emit("{T:/%5s %6s %-19s %-19s %2s %4s %-7s}\n", "PID",
55 "TID", "COMM", "TDNAME", "CPU", "CSID", "CPU MASK");
56
57 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
58 kipp->ki_pid, &count);
59 if (kip == NULL)
60 return;
61 kinfo_proc_sort(kip, count);
62 for (i = 0; i < count; i++) {
63 kipp = &kip[i];
64 xo_emit("{k:process_id/%5d/%d} ", kipp->ki_pid);
65 xo_emit("{:thread_id/%6d/%d} ", kipp->ki_tid);
66 xo_emit("{:command/%-19s/%s} ", strlen(kipp->ki_comm) ?
67 kipp->ki_comm : "-");
68 xo_emit("{:thread_name/%-19s/%s} ",
69 kinfo_proc_thread_name(kipp));
70 if (kipp->ki_oncpu != 255)
71 xo_emit("{:cpu/%3d/%d} ", kipp->ki_oncpu);
72 else if (kipp->ki_lastcpu != 255)
73 xo_emit("{:cpu/%3d/%d} ", kipp->ki_lastcpu);
74 else
75 xo_emit("{:cpu/%3s/%s} ", "-");
76 if (cpuset_getid(CPU_LEVEL_CPUSET, CPU_WHICH_TID,
77 kipp->ki_tid, &cs) != 0) {
78 cs = CPUSET_INVALID;
79 }
80 xo_emit("{:cpu_set_id/%4d/%d} ", cs);
81 if ((cs != CPUSET_INVALID) &&
82 (cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID,
83 kipp->ki_tid, sizeof(mask), &mask) == 0)) {
84 lastcpu = -1;
85 once = 0;
86 twice = 0;
87 cpusetbuf = sbuf_new_auto();
88 for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
89 if (CPU_ISSET(cpu, &mask)) {
90 if (once == 0) {
91 sbuf_printf(cpusetbuf, "%d",
92 cpu);
93 once = 1;
94 } else if (cpu == lastcpu + 1) {
95 twice = 1;
96 } else if (twice == 1) {
97 sbuf_printf(cpusetbuf, "-%d,%d",
98 lastcpu, cpu);
99 twice = 0;
100 } else
101 sbuf_printf(cpusetbuf, ",%d",
102 cpu);
103 lastcpu = cpu;
104 }
105 }
106 if (once && twice)
107 sbuf_printf(cpusetbuf, "-%d", lastcpu);
108 if (sbuf_finish(cpusetbuf) != 0)
109 xo_err(1, "Could not generate output");
110 xo_emit("{:cpu_set/%s}", sbuf_data(cpusetbuf));
111 sbuf_delete(cpusetbuf);
112 }
113 xo_emit("\n");
114 }
115 procstat_freeprocs(procstat, kip);
116 }
117