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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  * $FreeBSD$
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
43 void
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         unsigned int count, i;
50         int once, twice, lastcpu, cpu;
51
52         if (!hflag)
53                 printf("%5s %6s %-16s %-16s %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("%-16s ", strlen(kipp->ki_comm) ?
66                     kipp->ki_comm : "-");
67                 printf("%-16s ", (strlen(kipp->ki_tdname) &&
68                     (strcmp(kipp->ki_comm, kipp->ki_tdname) != 0)) ?
69                     kipp->ki_tdname : "-");
70                 if (kipp->ki_oncpu != 255)
71                         printf("%3d ", kipp->ki_oncpu);
72                 else if (kipp->ki_lastcpu != 255)
73                         printf("%3d ", kipp->ki_lastcpu);
74                 else
75                         printf("%3s ", "-");
76                 if (cpuset_getid(CPU_LEVEL_CPUSET, CPU_WHICH_TID,
77                     kipp->ki_tid, &cs) != 0) {
78                         cs = CPUSET_INVALID;
79                 }
80                 printf("%4d ", 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                         for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
88                                 if (CPU_ISSET(cpu, &mask)) {
89                                         if (once == 0) {
90                                                 printf("%d", cpu);
91                                                 once = 1;
92                                         } else if (cpu == lastcpu + 1) {
93                                                 twice = 1;
94                                         } else if (twice == 1) {
95                                                 printf("-%d,%d", lastcpu, cpu);
96                                                 twice = 0;
97                                         } else
98                                                 printf(",%d", cpu);
99                                         lastcpu = cpu;
100                                 }
101                         }
102                         if (once && twice)
103                                 printf("-%d", lastcpu);
104                 }
105                 printf("\n");
106         }
107         procstat_freeprocs(procstat, kip);
108 }