1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include <sys/param.h>
34#include <sys/sysctl.h>
35#include <sys/user.h>
36
37#include <err.h>
38#include <errno.h>
39#include <libprocstat.h>
40#include <stdio.h>
41#include <stdlib.h>
42#include <string.h>
43
44#include "procstat.h"
45
46void
47procstat_threads(struct procstat *procstat, struct kinfo_proc *kipp)
48{
49	struct kinfo_proc *kip;
50	unsigned int count, i;
51	const char *str;
52	char *threadid;
53
54	if ((procstat_opts & PS_OPT_NOHEADER) == 0)
55		xo_emit("{T:/%5s %6s %-19s %-19s %2s %4s %-7s %-9s}\n", "PID",
56		    "TID", "COMM", "TDNAME", "CPU", "PRI", "STATE", "WCHAN");
57
58	xo_emit("{ek:process_id/%d}", kipp->ki_pid);
59	xo_emit("{e:command/%s}", strlen(kipp->ki_comm) ?
60		    kipp->ki_comm : "-");
61	xo_open_container("threads");
62
63	kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
64	    kipp->ki_pid, &count);
65	if (kip == NULL)
66		return;
67	kinfo_proc_sort(kip, count);
68	for (i = 0; i < count; i++) {
69		kipp = &kip[i];
70		asprintf(&threadid, "%d", kipp->ki_tid);
71		if (threadid == NULL)
72			xo_errc(1, ENOMEM, "Failed to allocate memory in "
73			    "procstat_threads()");
74		xo_open_container(threadid);
75		xo_emit("{dk:process_id/%5d/%d} ", kipp->ki_pid);
76		xo_emit("{:thread_id/%6d/%d} ", kipp->ki_tid);
77		xo_emit("{d:command/%-19s/%s} ", strlen(kipp->ki_comm) ?
78		    kipp->ki_comm : "-");
79		xo_emit("{:thread_name/%-19s/%s} ",
80		    kinfo_proc_thread_name(kipp));
81		if (kipp->ki_oncpu != 255)
82			xo_emit("{:cpu/%3d/%d} ", kipp->ki_oncpu);
83		else if (kipp->ki_lastcpu != 255)
84			xo_emit("{:cpu/%3d/%d} ", kipp->ki_lastcpu);
85		else
86			xo_emit("{:cpu/%3s/%s} ", "-");
87		xo_emit("{:priority/%4d/%d} ", kipp->ki_pri.pri_level);
88		switch (kipp->ki_stat) {
89		case SRUN:
90			str = "run";
91			break;
92
93		case SSTOP:
94			str = "stop";
95			break;
96
97		case SSLEEP:
98			str = "sleep";
99			break;
100
101		case SLOCK:
102			str = "lock";
103			break;
104
105		case SWAIT:
106			str = "wait";
107			break;
108
109		case SZOMB:
110			str = "zomb";
111			break;
112
113		case SIDL:
114			str = "idle";
115			break;
116
117		default:
118			str = "??";
119			break;
120		}
121		xo_emit("{:run_state/%-7s/%s} ", str);
122		if (kipp->ki_kiflag & KI_LOCKBLOCK) {
123			xo_emit("{:lock_name/*%-8s/%s} ",
124			    strlen(kipp->ki_lockname) ?
125			    kipp->ki_lockname : "-");
126		} else {
127			xo_emit("{:wait_channel/%-9s/%s} ",
128			    strlen(kipp->ki_wmesg) ? kipp->ki_wmesg : "-");
129		}
130		xo_close_container(threadid);
131		free(threadid);
132		xo_emit("\n");
133	}
134	xo_close_container("threads");
135	procstat_freeprocs(procstat, kip);
136}
137