1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2007 Robert N. M. Watson
5 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
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
43void
44procstat_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 ((procstat_opts & PS_OPT_NOHEADER) == 0)
52		xo_emit("{T:/%5s %6s %-19s %-19s %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/%-19s/%s} ", strlen(kipp->ki_comm) ?
75		    kipp->ki_comm : "-");
76		xo_emit("{:thread_name/%-19s/%s} ",
77		    kinfo_proc_thread_name(kipp));
78		if (kipp->ki_oncpu != 255)
79			xo_emit("{:cpu/%3d/%d} ", kipp->ki_oncpu);
80		else if (kipp->ki_lastcpu != 255)
81			xo_emit("{:cpu/%3d/%d} ", kipp->ki_lastcpu);
82		else
83			xo_emit("{:cpu/%3s/%s} ", "-");
84		xo_emit("{:priority/%4d/%d} ", kipp->ki_pri.pri_level);
85		switch (kipp->ki_stat) {
86		case SRUN:
87			str = "run";
88			break;
89
90		case SSTOP:
91			str = "stop";
92			break;
93
94		case SSLEEP:
95			str = "sleep";
96			break;
97
98		case SLOCK:
99			str = "lock";
100			break;
101
102		case SWAIT:
103			str = "wait";
104			break;
105
106		case SZOMB:
107			str = "zomb";
108			break;
109
110		case SIDL:
111			str = "idle";
112			break;
113
114		default:
115			str = "??";
116			break;
117		}
118		xo_emit("{:run_state/%-7s/%s} ", str);
119		if (kipp->ki_kiflag & KI_LOCKBLOCK) {
120			xo_emit("{:lock_name/*%-8s/%s} ",
121			    strlen(kipp->ki_lockname) ?
122			    kipp->ki_lockname : "-");
123		} else {
124			xo_emit("{:wait_channel/%-9s/%s} ",
125			    strlen(kipp->ki_wmesg) ? kipp->ki_wmesg : "-");
126		}
127		xo_close_container(threadid);
128		free(threadid);
129		xo_emit("\n");
130	}
131	xo_close_container("threads");
132	procstat_freeprocs(procstat, kip);
133}
134