-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathps_sort.perl
executable file
·415 lines (376 loc) · 14.9 KB
/
ps_sort.perl
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
# *-*-perl-*-*
eval 'exec perl -Ssw $0 "$@"'
if 0;
#!/usr/local/bin/perl -sw
#
# ps_sort.perl: sort process status (ps) command output by given column
#
# Notes:
# - mem is %MEM for Linux (resident set size as % of physical memory).
#
# TODO:
# - ** Set unbuffered I/O if batch mode.
# - * Make sure all linux fields handled: this script was started a long time ago!
# - Allow for arbitrary fields
#
#-------------------------------------------------------------------------------
# Examples:
# SunOS:
# USER PID %CPU %MEM SZ RSS TT STAT START TIME COMMAND
# root 0 0.0 0.0 0 0 ? D Nov 12 0:47 swapper
# root 1 0.0 0.0 52 0 ? IW Nov 12 0:00 /sbin/init -
# root 2 0.0 0.0 0 0 ? D Nov 12 0:05 pagedaemon
# tomohara 16031 0.0 0.0 1172 0 p0 IW 08:47 0:05 mailtool
#
# Solaris:
# F S UID PID PPID C PRI NI ADDR SZ WCHAN STIME TTY TIME CMD
# 19 T root 0 0 0 0 SY 10414a08 0 Nov 22 ? 0:00 sched
# 8 S tomohara 15655 11319 0 41 20 507bc680 113 5068e246 10:09:13 pts/1 0:00 less
# 8 S root 15037 128 0 41 20 506ab988 321 508510de 09:59:37 ? 0:00 in.rshd
# 8 S tomohara 15032 1 0 41 20 506aa668 175 50851656 09:59:36 pts/1 0:00 rsh -n boron ni
#
# Linux:
# USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
# tomohara 22421 6.9 0.7 1509060 90032 pts/1 Sl Oct22 47:13 /usr/bin/python /media/sf_C_DRIVE/cartera-de-tomas/visual-diff/visual_diff_server.py --server
# tomohara 18158 3.5 0.8 1431704 99252 pts/13 Sl Oct22 45:44 /usr/bin/python /media/sf_C_DRIVE/cartera-de-tomas/python/text_categorizer.py random-simplewiki-20170720-pages-articles.texts.data.full.sdg.model
# tomohara 20257 2.6 5.2 2682472 648664 ? Sl Oct22 24:57 /usr/lib/firefox/firefox
# tomohara 3755 1.7 1.0 1718468 126736 ? Sl Oct20 72:31 /usr/lib/chromium-browser/chromium-browser --type=renderer --enable-pinch --field-trial-handle=18206849173794148909,...
#
# Load in the common module, making sure the script dir is in the Perl lib path
BEGIN {
my $dir = $0; $dir =~ s/[^\\\/]*$//; unshift(@INC, $dir);
require 'common.perl';
## TODO: use vars qw/$verbose/;
require 'extra.perl';
}
# Specify additional diagnostics and strict variable usage, excepting those
# for command-line arguments (see init_var's in &init).
use strict;
no strict "refs"; # to allow for old-style references to arrays (TODO: use #xyz_ref = \@array)
use vars qw/$by $xyz $ps_options $cut_options $num_times $LINES $COLUMNS $max_count $delay $line_len $testing $justuser $USER $username/;
use vars qw/$batch $full $once $lines $columns $alpha $time2num $DURING_ALIAS/;
# Check the command-line options
# note: OSTYPE needs to be in environment for this to work (see tomohara-aliases.bash)
&init_var(*by, "cpu");
&init_var(*OSTYPE, "???");
## TEST:
## $OSTYPE = "n/a" if ($OSTYPE = "???");
&debug_print(&TL_DETAILED, "OSTYPE=$OSTYPE\n");
## OLD:
## my($is_solaris) = ($OSTYPE =~ "solaris");
## my($is_linux) = ($OSTYPE =~ "linux");
## my($is_mac) = ($OSTYPE =~ "darwin");
my($is_solaris) = ($OSTYPE =~ "solaris") ? 1 : 0;
my($is_linux) = ($OSTYPE =~ "linux") ? 1 : 0;
my($is_mac) = ($OSTYPE =~ ".*darwin.*") ? 1 : 0;
## TODO:
&debug_print(&TL_DETAILED, "is_solaris=$is_solaris is_linux=$is_linux is_mac=$is_mac\n");
&init_var(*ps_options, ($is_solaris ? "-efl" : $is_linux ? "auxgww" : "auxg"));
## OLD: &init_var(*cut_options, ($is_solaris ? "-c1-36,46-52,62-70,79-132" : "-c1-132"));
## OLD: &init_var(*num_times, 60);
# note: $DURING_ALIAS set via tomohara-aliases.bash
&init_var(*DURING_ALIAS, &FALSE);
## OLD: &init_var(*once, &FALSE); # alias for -num_times=1
&init_var(*once, $DURING_ALIAS); # alias for -num_times=1
&init_var(*full, &FALSE); # disable row/column truncation
&init_var(*num_times, ($once ? 1 : 60));
## HACK: use lowercase lines/columns so that not trumped by environment
## TODO: add option to init_var to disable environment value check
&init_var(*LINES, 42);
&init_var(*COLUMNS, 80);
$lines = ($full ? &MAXINT : $LINES) if ! defined($lines);
$columns = ($full ? &MAXINT : $COLUMNS) if ! defined($columns);
&debug_print(&TL_VERBOSE, "#rows/#colums: ($lines/$columns)\n");
## TODO: &init_var(*lines, ($full ? &MAXINT : $LINES));
## TODO: &init_var(*columns, ($full ? &MAXINT : $COLUMNS));
&init_var(*cut_options, ($is_solaris ? "-c1-36,46-52,62-70,79-132" : "-c1-$columns"));
&init_var(*max_count, $lines - 5);
&init_var(*delay, (($num_times > 1) ? 1: 0));
&init_var(*line_len, $columns - 2);
&init_var(*testing, &FALSE); # script testing mode
&init_var(*justuser, &FALSE); # just show current user
&init_var(*USER, "");
&init_var(*username, # just show this user
($justuser ? $USER : ""));
&init_var(*batch, &FALSE); # batch mode (don't poll console for early quit)
&init_var(*alpha, &FALSE); # sort alphabetically (i.e., lexicographic)
&init_var(*time2num, &FALSE); # convert time to a number for sorting purposes
use vars qw/@uid @xyz @line @line_index @user @pid @cpu @mem @sz @rss @tt @stat @f @s @ppid @pri @ni @stime @time @cmd/;
use vars qw/@vsz @command @tty @start/;
# TODO: local => our
local(@line, @line_index);
local(@user, @pid, @cpu, @mem, @sz, @rss, @tt, @stat);
local(@f, @s, @ppid, @pri, @ni, @stime, @time, @cmd);
# note: additional fields for linux
local(@vsz, @command, @tty, @start);
local(*xyz) = *line;
local(*uid) = *user;
## TODO: my($xyz_ref = \@line; my($uid_ref) = \@user;
&debug_out(&TL_VERBOSE, "\$#uid = %d\n", $#uid);
## TEMP: &debug_print(&TL_VERBOSE, "is_solaris=$is_solaris is_linux=$is_linux is_mac=$is_mac\n");
# Show a usage statement if no arguments given
# NOTE: By convention - is used when no arguments are required
if (!defined($ARGV[0])) {
my($options) = "main options = [-by=FIELD] [-username=user] [-num_times=N] [-max_count=N] [-delay=N] [-justuser]";
# TODO: show defaults
$options .= " [-batch] [-once] [-full] [-alpha] [-time2num]";
if ($is_solaris) {
$options .= "\nfield = [f|s|uid|pid|ppid|c|pri|ni|addr|sz|wchan|stime|tty|time|cmd]";
}
elsif ($is_linux || $is_mac) {
$options .= "\nfield = [user|pid|cpu|mem|vsz|rss|tty|stat|start|time|command]";
}
else {
$options .= "\nfield = [pid|cpu|mem|sz|rss|tt|stat|start|time|command]";
}
$options .= "\nother options = " . &COMMON_OPTIONS;
my($example) = "examples:\n\n$0 -\n\n";
$example .= "$script_name -by=mem -\n\n";
$example .= "$script_name -justuser -\n\n";
$example .= "$script_name -username=cpuhog -\n\n";
$example .= "LINES=1000 $script_name -num_times=1 -by=time - | less\n\n";
$example .= "$script_name -once -full -by=command -\n\n";
my($note) = "";
$note .= "Notes:\n";
$note .= "- Use -num_times for number of iterations.\n";
$note .= "- Use -max_count for number of process listing entries.\n";
$note .= "- Use -once and -full for stdout: uses -num_times=1 and no row/col truncation).\n";
$note .= "- Use -time2num for converting time field to seconds when sorting\n";
$note .= "- env-var LINES determines number of entries.\n";
$note .= "- env-var COLUMNS determines width.\n";
# Note: Removes extraneous newline in last example, so that the examples
# can be reordered without having to worry about newline convention.
if ($example =~ /\n\n/) {
chomp $example;
}
die "\nusage: $script_name [options]\n\n$options\n\n$example\n$note\n";
}
PS_LOOP:
## TODO (resolve stupid perl strict-mode warning regarding $t):
## for (my $t = 1; $t <= $num_times; $t++) { ... }
##
## TEST1:
## my($t);
## for ($t = 1; $t <= $num_times; $t++) {
## TEST2: local($t);
use vars qw/$t/;
for ($t = 1; $t <= $num_times; $t++) {
my($header) = "";
my $i = 0;
&debug_print(&TL_VERBOSE, "Invoking subprocess: ps $ps_options | cut $cut_options | ...\n");
open(PS, "ps $ps_options | cut $cut_options |");
while (<PS>) {
&dump_line();
chomp;
# Save the process-info command header
if (/(^USER)|(^ F)/) {
$header = $_;
# TODO: Make sure fields recognized.
next;
}
# Optionally, ignore commands not for desired user
if (($username ne "") && ($_ !~ $username)) {
next;
}
# Fill in the process-info arrays from the process-info data
$line_index[$i] = $i;
$line[$i] = $_;
if ($is_solaris) {
($f[$i], $s[$i], $user[$i], $pid[$i], $ppid[$i], $cpu[$i],
$pri[$i], $ni[$i], $sz[$i], $stime[$i], $time[$i], $cmd[$i])
= split;
$mem[$i] = $sz[$i];
}
elsif ($is_linux || $is_mac) {
## OLD:
## ($user[$i], $pid[$i], $cpu[$i], $mem[$i], $vsz[$i], $rss[$i],
## $tt[$i], $stat[$i], $stime[$i], $time[$i], $command[$i]) = split;
($user[$i], $pid[$i], $cpu[$i], $mem[$i], $vsz[$i], $rss[$i],
$tty[$i], $stat[$i], $start[$i], $time[$i], $command[$i]) = split;
# Make sure hour is two digits (internally) for proper sorting
# Note: it is still printed as is
if (($by eq "time") && ($time[$i] =~ /^\d:/)) {
$time[$i] = ("0" . $time[$i]);
&debug_print(7, "Made hour two digit: $time[$i]\n");
}
# Convert time (internally) to numeric seconds for sorting purposes
# note: fraction optionally included as is (*e.g., under macos)
if ($time2num) {
# examples: 306:25.88 0:04.36
if ($time[$i] =~ /^((\d+):)?((\d+):)?(\d+)(\.\d+)?/) {
# groups: 1 2 3 4 5 6
my($hour) = defined($2) ? $2 : 0;
my($min) = defined($4) ? $4 : 0;
my($sec) = $5;
my($fract) = defined($6) ? $6 : 0;
$time[$i] = ($hour * 3600 + $min * 60 + $sec + $fract);
&debug_print(5, "Converted time to seconds $time[$i]\n");
}
else {
&debug_print(5, "Warning: unable to parse time field: $time[$i]\n");
}
}
}
else {
# note: based on SunOS (TODO: what else valid for?)
($user[$i], $pid[$i], $cpu[$i], $mem[$i], $sz[$i], $rss[$i],
$tt[$i]) = split;
}
$i++;
}
close(PS);
# Determine the array to sort by
#
# *by_xyz = ($by eq "cpu" ? *by_cpu :
# $by eq "mem" ? *by_mem :
# $by eq "sz" ? *by_sz :
# $by eq "rss" ? *by_rss :
# *by_default);
#
# Note: See by_xyz function below.
#
&debug_print(&TL_VERBOSE, "eval \"*xyz = *$by\"\n");
eval "*xyz = *$by";
## OLD: *xyz = *cpu if (!defined($xyz[0]));
if (!defined($xyz[0])) {
print STDERR "Error: bad sort field ($by): using cpu\n";
*xyz = *cpu;
}
# Print the information sorted in proper order
if ($num_times > 1) {
&cmd("clear -x") unless ($batch);
print "update $t of $num_times\n";
&debug_out(&TL_DETAILED, "%s\n", &get_time());
}
printf "%s\n", substr($header, 0, $line_len);
my $count = 0;
foreach my $index (sort by_xyz @line_index) {
printf "%s\n", substr($line[$line_index[$index]], 0, $line_len);
last if ($count++ == $max_count);
}
# See if the user wants to quit
# TODO: restructure loop (e.g., with helpers for pause)
if ($batch) {
sleep($delay);
}
else {
#
for (my $i = 0; $i < $delay; $i++) {
if (&get_console_char() eq "q") {
last PS_LOOP;
}
sleep(1);
}
}
}
#------------------------------------------------------------------------------
# Sort routines for the processor status arrays
# TODO: add support for time
# Notes:
# - The global parameters ($a, $b) give the indices of the index array.
# - The global @xyz is alias to array of values for metric given by global $by.
#
sub by_xyz {
&debug_print(&TL_MOST_DETAILED, "by_xyz: a=$a b=$b\n");
my($value_a) = $xyz[$line_index[$a]];
my($value_b) = $xyz[$line_index[$b]];
&debug_print(&TL_MOST_VERBOSE, "$value_a\n$value_b\n");
# Treat time value into decimal
# NOTE: conditional on it being a known time field
if (($by =~ /time/) && ($value_a =~ /:/) && ($value_b =~ /:/)) {
$value_a =~ tr/:/./;
$value_b =~ tr/:/./;
&assert(($value_a !~ /:/) && ($value_b !~ /:/));
}
# Do reverse comparison (for numbers if numeric).
# Otherwise, uses ascending sort.
# TODO: Add option to override.
my($comparison) = 0;
## OLD: if (&is_numeric($value_b) && &is_numeric($value_a)) {
if ((! $alpha) && (&is_numeric($value_b) && &is_numeric($value_a))) {
&debug_print(&TL_MOST_VERBOSE, "Using (descending) numeric sort\n");
$comparison = ($value_b <=> $value_a);
}
else {
&debug_print(&TL_MOST_VERBOSE, "Using (ascending) lexicographic sort\n");
$comparison = ($value_a cmp $value_b);
}
&debug_print(&TL_MOST_DETAILED, "by_xyz() => $comparison\n");
return $comparison;
}
# sub by_cpu { $cpu[$line_index[$b]] <=> $cpu[$line_index[$a]]; }
#
# sub by_mem { $mem[$line_index[$b]] <=> $mem[$line_index[$a]]; }
#
# sub by_sz { $sz[$line_index[$b]] <=> $sz[$line_index[$a]]; }
#
# sub by_rss { $rss[$line_index[$b]] <=> $rss[$line_index[$a]]; }
sub by_default { $line_index[$b] <=> $line_index[$a]; }
# Get's a character from the console ("" if not ready for input)
# NOTE: this is a test version using ReadTerm
#
sub new_get_console_char {
return(&get_next_char());
}
# Get's a character from the console ("" if not ready for input).
#
sub get_console_char {
my($key) = "";
# If testing, use the new input routine
if ($testing) {
return (&new_get_console_char());
}
# Read the character after temporarily disabling line input
# NOTE: This is Unix specific (but the script itself currently is)
## &cmd("stty cbreak -echo </dev/tty >/dev/tty 2>&1");
&cmd("stty -icanon -echo </dev/tty >/dev/tty 2>&1");
&set_stdin_blocking(&FALSE);
$key = getc(STDIN) || "";
&debug_print(&TL_VERY_DETAILED, "key=$key\n");
&set_stdin_blocking(&TRUE);
## &cmd("stty -cbreak echo </dev/tty >/dev/tty 2>&1");
&cmd("stty icanon echo </dev/tty >/dev/tty 2>&1");
return ($key);
}
sub set_stdin_blocking {
my($blocking) = @_;
my($flags, $result);
# Stupidity: non-uniform support for fcntl
if (&under_WIN32) {
return 0;
}
my($perl5) = ($] =~ /^5/);
eval "use Fcntl;" if ($perl5);
eval "require 'sys/fcntl.ph';" if (!$perl5);
# fcntl() performs a variety of functions on open descriptors:
#
# F_GETFL Get descriptor status flags (see fcntl(5) for
# definitions).
#
$flags = fcntl(STDIN, &F_GETFL, 0);
## TODO: /but true/???
$flags =~ s/but true//;
&debug_out(&TL_VERBOSE, "fcntl(STDIN, &F_GETFL, 0) => %08x\n", $flags);
if ($blocking == &FALSE) {
$flags |= &O_NDELAY; # set on no-delay bit in flags
}
else {
$flags &= ~&O_NDELAY; # set off no-delay bit in flags
}
&debug_out(7, "flags=%08x\n", $flags);
# TODO?: &debug_out(7, "flags=%08x result=%08x\n", $flags, $result);
$result = fcntl(STDIN, &F_SETFL, $flags);
if (defined($result)) {
## TODO: drop /but true/ hack
$result =~ s/but true//;
}
else {
$result = "";
}
## OLD:
## &debug_out(&TL_VERBOSE, "fcntl(STDIN, &F_SETFL, %08x) => %08x\n",
## $flags, $result);
&debug_out(&TL_VERBOSE, "fcntl(STDIN, &F_SETFL, %08x) => %s\n",
$flags, $result);
return;
}