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 * $FreeBSD: stable/11/usr.bin/procstat/procstat_threads.c 330449 2018-03-05 07:26:05Z eadler $
30 */
31
32#include <sys/param.h>
33#include <sys/sysctl.h>
34#include <sys/user.h>
35
36#include <err.h>
37#include <errno.h>
38#include <libprocstat.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42
43#include "procstat.h"
44
45void
46procstat_threads(struct procstat *procstat, struct kinfo_proc *kipp)
47{
48	struct kinfo_proc *kip;
49	unsigned int count, i;
50	const char *str;
51	char *threadid;
52
53	if (!hflag)
54		xo_emit("{T:/%5s %6s %-19s %-19s %2s %4s %-7s %-9s}\n", "PID",
55		    "TID", "COMM", "TDNAME", "CPU", "PRI", "STATE", "WCHAN");
56
57	xo_emit("{ek:process_id/%d}", kipp->ki_pid);
58	xo_emit("{e:command/%s}", strlen(kipp->ki_comm) ?
59		    kipp->ki_comm : "-");
60	xo_open_container("threads");
61
62	kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
63	    kipp->ki_pid, &count);
64	if (kip == NULL)
65		return;
66	kinfo_proc_sort(kip, count);
67	for (i = 0; i < count; i++) {
68		kipp = &kip[i];
69		asprintf(&threadid, "%d", kipp->ki_tid);
70		if (threadid == NULL)
71			xo_errc(1, ENOMEM, "Failed to allocate memory in "
72			    "procstat_threads()");
73		xo_open_container(threadid);
74		xo_emit("{dk:process_id/%5d/%d} ", kipp->ki_pid);
75		xo_emit("{:thread_id/%6d/%d} ", kipp->ki_tid);
76		xo_emit("{d:command/%-19s/%s} ", strlen(kipp->ki_comm) ?
77		    kipp->ki_comm : "-");
78		xo_emit("{:thread_name/%-19s/%s} ",
79		    kinfo_proc_thread_name(kipp));
80		if (kipp->ki_oncpu != 255)
81			xo_emit("{:cpu/%3d/%d} ", kipp->ki_oncpu);
82		else if (kipp->ki_lastcpu != 255)
83			xo_emit("{:cpu/%3d/%d} ", kipp->ki_lastcpu);
84		else
85			xo_emit("{:cpu/%3s/%s} ", "-");
86		xo_emit("{:priority/%4d/%d} ", kipp->ki_pri.pri_level);
87		switch (kipp->ki_stat) {
88		case SRUN:
89			str = "run";
90			break;
91
92		case SSTOP:
93			str = "stop";
94			break;
95
96		case SSLEEP:
97			str = "sleep";
98			break;
99
100		case SLOCK:
101			str = "lock";
102			break;
103
104		case SWAIT:
105			str = "wait";
106			break;
107
108		case SZOMB:
109			str = "zomb";
110			break;
111
112		case SIDL:
113			str = "idle";
114			break;
115
116		default:
117			str = "??";
118			break;
119		}
120		xo_emit("{:run_state/%-7s/%s} ", str);
121		if (kipp->ki_kiflag & KI_LOCKBLOCK) {
122			xo_emit("{:lock_name/*%-8s/%s} ",
123			    strlen(kipp->ki_lockname) ?
124			    kipp->ki_lockname : "-");
125		} else {
126			xo_emit("{:wait_channel/%-9s/%s} ",
127			    strlen(kipp->ki_wmesg) ? kipp->ki_wmesg : "-");
128		}
129		xo_close_container(threadid);
130		free(threadid);
131		xo_emit("\n");
132	}
133	xo_close_container("threads");
134	procstat_freeprocs(procstat, kip);
135}
136