1 /*-
2 * Copyright (c) 2012 Hudson River Trading LLC
3 * Written by: John H. Baldwin <jhb@FreeBSD.org>
4 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/sysctl.h>
31 #include <sys/user.h>
32
33 #include <libprocstat.h>
34 #include <stdbool.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <libutil.h>
38
39 #include "procstat.h"
40
41 static struct {
42 const char *ri_name;
43 bool ri_humanize;
44 int ri_scale;
45 } rusage_info[] = {
46 { "maximum RSS", true, 1 },
47 { "integral shared memory", true, 1 },
48 { "integral unshared data", true, 1 },
49 { "integral unshared stack", true, 1 },
50 { "page reclaims", false, 0 },
51 { "page faults", false, 0 },
52 { "swaps", false, 0 },
53 { "block reads", false, 0 },
54 { "block writes", false, 0 },
55 { "messages sent", false, 0 },
56 { "messages received", false, 0 },
57 { "signals received", false, 0 },
58 { "voluntary context switches", false, 0 },
59 { "involuntary context switches", false, 0 }
60 };
61
62 /* xxx days hh:mm:ss.uuuuuu */
63 static const char *
format_time(struct timeval * tv)64 format_time(struct timeval *tv)
65 {
66 static char buffer[32];
67 int days, hours, minutes, seconds, used;
68
69 minutes = tv->tv_sec / 60;
70 seconds = tv->tv_sec % 60;
71 hours = minutes / 60;
72 minutes %= 60;
73 days = hours / 24;
74 hours %= 24;
75 used = 0;
76 if (days == 1)
77 used += snprintf(buffer, sizeof(buffer), "1 day ");
78 else if (days > 0)
79 used += snprintf(buffer, sizeof(buffer), "%u days ", days);
80
81 snprintf(buffer + used, sizeof(buffer) - used, "%02u:%02u:%02u.%06u",
82 hours, minutes, seconds, (unsigned int)tv->tv_usec);
83 return (buffer);
84 }
85
86 static const char *
format_value(long value,bool humanize,int scale)87 format_value(long value, bool humanize, int scale)
88 {
89 static char buffer[14];
90
91 if (scale != 0)
92 value <<= scale * 10;
93 if (humanize)
94 humanize_number(buffer, sizeof(buffer), value, "B",
95 scale, HN_DECIMAL);
96 else
97 snprintf(buffer, sizeof(buffer), "%ld ", value);
98 return (buffer);
99 }
100
101 static void
print_prefix(struct kinfo_proc * kipp)102 print_prefix(struct kinfo_proc *kipp)
103 {
104
105 xo_emit("{d:process_id/%5d/%d} ", kipp->ki_pid);
106 if ((procstat_opts & PS_OPT_PERTHREAD) != 0)
107 xo_emit("{d:thread_id/%6d/%d} ", kipp->ki_tid);
108 xo_emit("{d:command/%-16s/%s} ", kipp->ki_comm);
109 }
110
111 static void
print_rusage(struct kinfo_proc * kipp)112 print_rusage(struct kinfo_proc *kipp)
113 {
114 long *lp;
115 unsigned int i;
116 char *field, *threadid;
117
118 print_prefix(kipp);
119 xo_emit("{d:resource/%-14s} {d:usage/%29s}{P: }\n", "user time",
120 format_time(&kipp->ki_rusage.ru_utime));
121 print_prefix(kipp);
122 xo_emit("{d:resource/%-14s} {d:usage/%29s}{P: }\n", "system time",
123 format_time(&kipp->ki_rusage.ru_stime));
124
125 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) {
126 asprintf(&threadid, "%d", kipp->ki_tid);
127 if (threadid == NULL)
128 xo_errc(1, ENOMEM,
129 "Failed to allocate memory in print_rusage()");
130 xo_open_container(threadid);
131 xo_emit("{e:thread_id/%d}", kipp->ki_tid);
132 } else {
133 xo_emit("{e:process_id/%d}", kipp->ki_pid);
134 xo_emit("{e:command/%s}", kipp->ki_comm);
135 }
136 xo_emit("{e:user time/%s}", format_time(&kipp->ki_rusage.ru_utime));
137 xo_emit("{e:system time/%s}", format_time(&kipp->ki_rusage.ru_stime));
138
139 lp = &kipp->ki_rusage.ru_maxrss;
140 for (i = 0; i < nitems(rusage_info); i++) {
141 print_prefix(kipp);
142 asprintf(&field, "{e:%s/%%D}", rusage_info[i].ri_name);
143 if (field == NULL)
144 xo_errc(1, ENOMEM,
145 "Failed to allocate memory in print_rusage()");
146 xo_emit(field, *lp);
147 free(field);
148 xo_emit("{d:resource/%-32s} {d:usage/%14s}\n",
149 rusage_info[i].ri_name,
150 format_value(*lp, rusage_info[i].ri_humanize,
151 rusage_info[i].ri_scale));
152 lp++;
153 }
154 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) {
155 xo_close_container(threadid);
156 free(threadid);
157 }
158 }
159
160 void
procstat_rusage(struct procstat * procstat,struct kinfo_proc * kipp)161 procstat_rusage(struct procstat *procstat, struct kinfo_proc *kipp)
162 {
163 struct kinfo_proc *kip;
164 unsigned int count, i;
165
166 if ((procstat_opts & PS_OPT_NOHEADER) == 0) {
167 xo_emit("{d:ta/%5s} ", "PID");
168 if ((procstat_opts & PS_OPT_PERTHREAD) != 0)
169 xo_emit("{d:tb/%6s} ", "TID");
170 xo_emit("{d:tc/%-16s %-32s %14s}\n", "COMM", "RESOURCE",
171 "VALUE ");
172 }
173
174 if ((procstat_opts & PS_OPT_PERTHREAD) == 0) {
175 print_rusage(kipp);
176 return;
177 }
178
179 xo_emit("{e:process_id/%d}", kipp->ki_pid);
180 xo_emit("{e:command/%s}", kipp->ki_comm);
181 xo_open_container("threads");
182
183 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
184 kipp->ki_pid, &count);
185 if (kip == NULL)
186 return;
187 kinfo_proc_sort(kip, count);
188 for (i = 0; i < count; i++) {
189 print_rusage(&kip[i]);
190 }
191
192 xo_close_container("threads");
193 procstat_freeprocs(procstat, kip);
194 }
195