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 * $FreeBSD$
28 */
29
30 #include <sys/param.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_threads(struct procstat * procstat,struct kinfo_proc * kipp)44 procstat_threads(struct procstat *procstat, struct kinfo_proc *kipp)
45 {
46 struct kinfo_proc *kip;
47 unsigned int count, i;
48 const char *str;
49 char *threadid;
50
51 if (!hflag)
52 xo_emit("{T:/%5s %6s %-16s %-16s %2s %4s %-7s %-9s}\n", "PID",
53 "TID", "COMM", "TDNAME", "CPU", "PRI", "STATE", "WCHAN");
54
55 xo_emit("{ek:process_id/%d}", kipp->ki_pid);
56 xo_emit("{e:command/%s}", strlen(kipp->ki_comm) ?
57 kipp->ki_comm : "-");
58 xo_open_container("threads");
59
60 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
61 kipp->ki_pid, &count);
62 if (kip == NULL)
63 return;
64 kinfo_proc_sort(kip, count);
65 for (i = 0; i < count; i++) {
66 kipp = &kip[i];
67 asprintf(&threadid, "%d", kipp->ki_tid);
68 if (threadid == NULL)
69 xo_errc(1, ENOMEM, "Failed to allocate memory in "
70 "procstat_threads()");
71 xo_open_container(threadid);
72 xo_emit("{dk:process_id/%5d/%d} ", kipp->ki_pid);
73 xo_emit("{:thread_id/%6d/%d} ", kipp->ki_tid);
74 xo_emit("{d:command/%-16s/%s} ", strlen(kipp->ki_comm) ?
75 kipp->ki_comm : "-");
76 xo_emit("{:thread_name/%-16s/%s} ", (strlen(kipp->ki_tdname) &&
77 (strcmp(kipp->ki_comm, kipp->ki_tdname) != 0)) ?
78 kipp->ki_tdname : "-");
79 if (kipp->ki_oncpu != 255)
80 xo_emit("{:cpu/%3d/%d} ", kipp->ki_oncpu);
81 else if (kipp->ki_lastcpu != 255)
82 xo_emit("{:cpu/%3d/%d} ", kipp->ki_lastcpu);
83 else
84 xo_emit("{:cpu/%3s/%s} ", "-");
85 xo_emit("{:priority/%4d/%d} ", kipp->ki_pri.pri_level);
86 switch (kipp->ki_stat) {
87 case SRUN:
88 str = "run";
89 break;
90
91 case SSTOP:
92 str = "stop";
93 break;
94
95 case SSLEEP:
96 str = "sleep";
97 break;
98
99 case SLOCK:
100 str = "lock";
101 break;
102
103 case SWAIT:
104 str = "wait";
105 break;
106
107 case SZOMB:
108 str = "zomb";
109 break;
110
111 case SIDL:
112 str = "idle";
113 break;
114
115 default:
116 str = "??";
117 break;
118 }
119 xo_emit("{:run_state/%-7s/%s} ", str);
120 if (kipp->ki_kiflag & KI_LOCKBLOCK) {
121 xo_emit("{:lock_name/*%-8s/%s} ",
122 strlen(kipp->ki_lockname) ?
123 kipp->ki_lockname : "-");
124 } else {
125 xo_emit("{:wait_channel/%-9s/%s} ",
126 strlen(kipp->ki_wmesg) ? kipp->ki_wmesg : "-");
127 }
128 xo_close_container(threadid);
129 free(threadid);
130 xo_emit("\n");
131 }
132 xo_close_container("threads");
133 procstat_freeprocs(procstat, kip);
134 }
135