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: releng/11.0/usr.bin/procstat/procstat_threads.c 287486 2015-09-05 17:02:01Z allanjude $
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 (!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