forked from aristeu/procps
-
Notifications
You must be signed in to change notification settings - Fork 0
/
pmap.c
1188 lines (1009 loc) · 30.6 KB
/
pmap.c
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
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* pmap.c - print process memory mapping
* Copyright 2002 Albert Cahalan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <assert.h>
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "proc/escape.h"
#include "xalloc.h"
#include "proc/readproc.h"
#include "proc/version.h"
const char *nls_Address,
*nls_Offset,
*nls_Device,
*nls_Mapping,
*nls_Perm,
*nls_Inode,
*nls_Kbytes,
*nls_Mode,
*nls_RSS,
*nls_Dirty;
static void nls_initialize(void)
{
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
/* these are the headings shared across all options,
though their widths when output might differ */
nls_Address = _("Address");
nls_Offset = _("Offset");
nls_Device = _("Device");
nls_Mapping = _("Mapping");
/* these headings are used only by the -X/-XX options,
and are not derived literally from /proc/#/smaps */
nls_Perm = _("Perm");
nls_Inode = _("Inode");
/* these are potentially used for options other than -X/-XX, */
nls_Kbytes = _("Kbytes");
nls_Mode = _("Mode");
nls_RSS = _("RSS");
nls_Dirty = _("Dirty");
}
static int justify_print(const char *str, int width, int right)
{
if (width < 1)
puts(str);
else {
int len = strlen(str);
if (width < len) width = len;
printf(right ? "%*.*s " : "%-*.*s ", width, width, str);
}
return width;
}
static int integer_width(unsigned KLONG number)
{
int result;
result = !(number > 0);
while (number) {
result++;
number /= 10;
}
return result;
}
static void __attribute__ ((__noreturn__))
usage(FILE * out)
{
fputs(USAGE_HEADER, out);
fprintf(out,
_(" %s [options] pid [pid ...]\n"), program_invocation_short_name);
fputs(USAGE_OPTIONS, out);
fputs(_(" -x, --extended show details\n"
" -X show even more details\n"
" WARNING: format changes according to /proc/PID/smaps\n"
" -XX show everything the kernel provides\n"
" -c, --read-rc read the default rc\n"
" -C, --read-rc-from=<file> read the rc from file\n"
" -n, --create-rc create new default rc\n"
" -N, --create-rc-to=<file> create new rc to file\n"
" NOTE: pid arguments are not allowed with -n, -N\n"
" -d, --device show the device format\n"
" -q, --quiet do not display header and footer\n"
" -p, --show-path show path in the mapping\n"
" -A, --range=<low>[,<high>] limit results to the given range\n"), out);
fputs(USAGE_SEPARATOR, out);
fputs(USAGE_HELP, out);
fputs(USAGE_VERSION, out);
fprintf(out, USAGE_MAN_TAIL("pmap(1)"));
exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
}
static char mapbuf[1024];
static char cmdbuf[512];
static unsigned KLONG range_low;
static unsigned KLONG range_high = ~0ull;
static int c_option;
static int C_option;
static int d_option;
static int n_option;
static int N_option;
static int q_option;
static int x_option;
static int X_option;
static int map_desc_showpath;
static unsigned shm_minor = ~0u;
static void discover_shm_minor(void)
{
void *addr;
int shmid;
char mapbuf_b[256];
if (!freopen("/proc/self/maps", "r", stdin))
return;
/* create */
shmid = shmget(IPC_PRIVATE, 42, IPC_CREAT | 0666);
if (shmid == -1)
/* failed; oh well */
return;
/* attach */
addr = shmat(shmid, NULL, SHM_RDONLY);
if (addr == (void *)-1)
goto out_destroy;
while (fgets(mapbuf_b, sizeof mapbuf_b, stdin)) {
char perms[32];
/* to clean up unprintables */
char *tmp;
unsigned KLONG start, end;
unsigned long long file_offset, inode;
unsigned dev_major, dev_minor;
sscanf(mapbuf_b, "%" KLF "x-%" KLF "x %31s %llx %x:%x %llu", &start,
&end, perms, &file_offset, &dev_major, &dev_minor,
&inode);
tmp = strchr(mapbuf_b, '\n');
if (tmp)
*tmp = '\0';
tmp = mapbuf_b;
while (*tmp) {
if (!isprint(*tmp))
*tmp = '?';
tmp++;
}
if (start > (unsigned long)addr)
continue;
if (dev_major)
continue;
if (perms[3] != 's')
continue;
if (strstr(mapbuf_b, "/SYSV")) {
shm_minor = dev_minor;
break;
}
}
if (shmdt(addr))
perror(_("shared memory detach"));
out_destroy:
if (shmctl(shmid, IPC_RMID, NULL))
perror(_("shared memory remove"));
return;
}
static char *mapping_name(proc_t * p, unsigned KLONG addr,
unsigned KLONG len, const char *mapbuf_b,
unsigned showpath, unsigned dev_major,
unsigned dev_minor, unsigned long long inode)
{
char *cp;
if (!dev_major && dev_minor == shm_minor && strstr(mapbuf_b, "/SYSV")) {
static char shmbuf[64];
snprintf(shmbuf, sizeof shmbuf, " [ shmid=0x%llx ]", inode);
return shmbuf;
}
cp = strrchr(mapbuf_b, '/');
if (cp) {
if (showpath)
return strchr(mapbuf_b, '/');
return cp[1] ? cp + 1 : cp;
}
cp = strchr(mapbuf_b, '/');
if (cp) {
if (showpath)
return cp;
/* it WILL succeed */
return strrchr(cp, '/') + 1;
}
cp = _(" [ anon ]");
if ((p->start_stack >= addr) && (p->start_stack <= addr + len))
cp = _(" [ stack ]");
return cp;
}
#define DETAIL_LENGTH 32
#define DETL "31" /* for format strings */
#define NUM_LENGTH 21 /* python says: len(str(2**64)) == 20 */
#define NUML "20" /* for format strings */
#define VMFLAGS_LENGTH 81 /* There are 27 posible 2 character vmflags as of this patch */
struct listnode {
char description[DETAIL_LENGTH];
char value_str[NUM_LENGTH];
unsigned KLONG value;
unsigned KLONG total;
int max_width;
struct listnode *next;
};
static struct listnode *listhead=NULL, *listtail=NULL, *listnode;
struct cnf_listnode {
char description[DETAIL_LENGTH];
struct cnf_listnode *next;
};
static struct cnf_listnode *cnf_listhead=NULL, *cnf_listnode;
static int is_unimportant (const char *s)
{
if (strcmp(s, "AnonHugePages") == 0) return 1;
if (strcmp(s, "KernelPageSize") == 0) return 1;
if (strcmp(s, "MMUPageSize") == 0) return 1;
if (strcmp(s, "Shared_Dirty") == 0) return 1;
if (strcmp(s, "Private_Dirty") == 0) return 1;
if (strcmp(s, "Shared_Clean") == 0) return 1;
if (strcmp(s, "Private_Clean") == 0) return 1;
if (strcmp(s, "VmFlags") == 0) return 1;
return 0;
}
/* check, whether we want to display the field or not */
static int is_enabled (const char *s)
{
if (X_option == 1) return !is_unimportant(s);
if (c_option) { /* taking the list of disabled fields from the rc file */
for (cnf_listnode = cnf_listhead; cnf_listnode; cnf_listnode = cnf_listnode -> next) {
if (!strcmp(s, cnf_listnode -> description)) return 1;
}
return 0;
}
return 1;
}
static void print_extended_maps (FILE *f)
{
char perms[DETAIL_LENGTH], map_desc[128],
detail_desc[DETAIL_LENGTH], value_str[NUM_LENGTH],
start[NUM_LENGTH], end[NUM_LENGTH],
offset[NUM_LENGTH], inode[NUM_LENGTH],
dev[64], vmflags[VMFLAGS_LENGTH];
int maxw1=0, maxw2=0, maxw3=0, maxw4=0, maxw5=0, maxwv=0;
int nfields, firstmapping, footer_gap, i, maxw_;
char *ret, *map_basename, c, has_vmflags = 0;
ret = fgets(mapbuf, sizeof mapbuf, f);
firstmapping = 2;
while (ret != NULL) {
/* === READ MAPPING === */
map_desc[0] = '\0';
nfields = sscanf(mapbuf,
"%"NUML"[0-9a-f]-%"NUML"[0-9a-f] "
"%"DETL"s %"NUML"[0-9a-f] "
"%63[0-9a-f:] %"NUML"s %127[^\n]%c",
start, end, perms, offset,
dev, inode, map_desc, &c);
/* Must read at least up to inode, else something has changed! */
if (nfields < 6)
xerrx(EXIT_FAILURE, _("Unknown format in smaps file!"));
/* If line too long we dump everything else. */
while (c != '\n') {
ret = fgets(mapbuf, sizeof mapbuf, f);
c = mapbuf[strlen(mapbuf) - 1];
}
/* Store maximum widths for printing nice later */
if (strlen(start ) > maxw1) maxw1 = strlen(start);
if (strlen(perms ) > maxw2) maxw2 = strlen(perms);
if (strlen(offset) > maxw3) maxw3 = strlen(offset);
if (strlen(dev ) > maxw4) maxw4 = strlen(dev);
if (strlen(inode ) > maxw5) maxw5 = strlen(inode);
ret = fgets(mapbuf, sizeof mapbuf, f);
nfields = sscanf(mapbuf, "%"DETL"[^:]: %"NUML"[0-9] kB %c",
detail_desc, value_str, &c);
listnode = listhead;
/* === READ MAPPING DETAILS === */
while (ret != NULL && nfields == 2) {
if (!is_enabled(detail_desc)) goto loop_end;
/* === CREATE LIST AND FILL description FIELD === */
if (listnode == NULL) {
assert(firstmapping == 2);
listnode = calloc(1, sizeof *listnode);
if (listhead == NULL) {
assert(listtail == NULL);
listhead = listnode;
} else {
listtail->next = listnode;
}
listtail = listnode;
/* listnode was calloc()ed so all fields are already NULL! */
strcpy(listnode->description, detail_desc);
if (!q_option) listnode->max_width = strlen(detail_desc);
else listnode->max_width = 0;
} else {
/* === LIST EXISTS === */
if (strcmp(listnode->description, detail_desc) != 0)
xerrx(EXIT_FAILURE, "ERROR: %s %s",
_("inconsistent detail field in smaps file, line:\n"),
mapbuf);
}
strcpy(listnode->value_str, value_str);
sscanf(value_str, "%"KLF"u", &listnode->value);
if (firstmapping == 2) {
listnode->total += listnode->value;
if (q_option) {
maxw_ = strlen(listnode->value_str);
if (maxw_ > listnode->max_width)
listnode->max_width = maxw_;
}
}
listnode = listnode->next;
loop_end:
ret = fgets(mapbuf, sizeof mapbuf, f);
nfields = sscanf(mapbuf, "%"DETL"[^:]: %"NUML"[0-9] kB %c",
detail_desc, value_str, &c);
}
/* === GET VMFLAGS === */
nfields = sscanf(mapbuf, "VmFlags: %[a-z ]", vmflags);
if (nfields == 1) {
if (! has_vmflags) has_vmflags = 1;
ret = fgets(mapbuf, sizeof mapbuf, f);
if (strlen(vmflags) > maxwv) maxwv = strlen(vmflags);
}
if (firstmapping == 2) { /* width measurement stage, do not print anything yet */
if (ret == NULL) { /* once the end of file is reached ...*/
firstmapping = 1; /* ... we reset the file position to the beginning of the file */
fseek(f, 0, SEEK_SET); /* ... and repeat the process with printing enabled */
ret = fgets(mapbuf, sizeof mapbuf, f); /* this is not ideal and needs to be redesigned one day */
if (!q_option) {
/* calculate width of totals */
for (listnode=listhead; listnode!=NULL; listnode=listnode->next) {
maxw_ = integer_width(listnode->total);
if (maxw_ > listnode->max_width)
listnode->max_width = maxw_;
}
}
}
} else { /* the maximum widths have been measured, we've already reached the printing stage */
/* === PRINT THIS MAPPING === */
/* Print header */
if (firstmapping && !q_option) {
maxw1 = justify_print(nls_Address, maxw1, 1);
if (is_enabled(nls_Perm))
maxw2 = justify_print(nls_Perm, maxw2, 1);
if (is_enabled(nls_Offset))
maxw3 = justify_print(nls_Offset, maxw3, 1);
if (is_enabled(nls_Device))
maxw4 = justify_print(nls_Device, maxw4, 1);
if (is_enabled(nls_Inode))
maxw5 = justify_print(nls_Inode, maxw5, 1);
for (listnode=listhead; listnode!=NULL; listnode=listnode->next)
justify_print(listnode->description, listnode->max_width, 1);
if (has_vmflags && is_enabled("VmFlags"))
printf(" %*s", maxwv, "VmFlags");
if (is_enabled(nls_Mapping))
justify_print(nls_Mapping, 0, 0);
else
printf("\n");
}
/* Print data */
printf("%*s", maxw1, start); /* Address field is always enabled */
if (is_enabled(nls_Perm))
printf(" %*s", maxw2, perms);
if (is_enabled(nls_Offset))
printf(" %*s", maxw3, offset);
if (is_enabled(nls_Device))
printf(" %*s", maxw4, dev);
if (is_enabled(nls_Inode))
printf(" %*s", maxw5, inode);
for (listnode=listhead; listnode!=NULL; listnode=listnode->next)
printf(" %*s", listnode->max_width, listnode->value_str);
if (has_vmflags && is_enabled("VmFlags"))
printf(" %*s", maxwv, vmflags);
if (is_enabled(nls_Mapping)) {
if (map_desc_showpath) {
printf(" %s", map_desc);
} else {
map_basename = strrchr(map_desc, '/');
if (!map_basename) {
printf(" %s", map_desc);
} else {
printf(" %s", map_basename + 1);
}
}
}
printf("\n");
firstmapping = 0;
}
}
/* === PRINT TOTALS === */
if (!q_option && listhead!=NULL) { /* footer enabled and non-empty */
footer_gap = maxw1 + 1; /* Address field is always enabled */
if (is_enabled(nls_Perm )) footer_gap += maxw2 + 1;
if (is_enabled(nls_Offset)) footer_gap += maxw3 + 1;
if (is_enabled(nls_Device)) footer_gap += maxw4 + 1;
if (is_enabled(nls_Inode )) footer_gap += maxw5 + 1;
for (i=0; i<footer_gap; i++) putc(' ', stdout);
for (listnode=listhead; listnode!=NULL; listnode=listnode->next) {
for (i=0; i<listnode->max_width; i++)
putc('=', stdout);
putc(' ', stdout);
}
putc('\n', stdout);
for (i=0; i<footer_gap; i++) putc(' ', stdout);
for (listnode=listhead; listnode!=NULL; listnode=listnode->next)
printf("%*lu ", listnode->max_width, listnode->total);
fputs("KB \n", stdout);
}
/* We don't free() the list, it's used for all PIDs passed as arguments */
}
static int one_proc(proc_t * p)
{
char buf[32];
FILE *fp;
unsigned long total_shared = 0ul;
unsigned long total_private_readonly = 0ul;
unsigned long total_private_writeable = 0ul;
KLONG diff = 0;
const char *cp2 = NULL;
unsigned long long rss = 0ull;
unsigned long long private_dirty = 0ull;
unsigned long long shared_dirty = 0ull;
unsigned long long total_rss = 0ull;
unsigned long long total_private_dirty = 0ull;
unsigned long long total_shared_dirty = 0ull;
int maxw1=0, maxw2=0, maxw3=0, maxw4=0, maxw5=0;
/* Overkill, but who knows what is proper? The "w" prog uses
* the tty width to determine this.
*/
int maxcmd = 0xfffff;
if (x_option || X_option || c_option) {
sprintf(buf, "/proc/%u/smaps", p->tgid);
if ((fp = fopen(buf, "r")) == NULL)
return 1;
} else {
sprintf(buf, "/proc/%u/maps", p->tgid);
if ((fp = fopen(buf, "r")) == NULL)
return 1;
}
escape_command(cmdbuf, p, sizeof cmdbuf, &maxcmd,
ESC_ARGS | ESC_BRACKETS);
printf("%u: %s\n", p->tgid, cmdbuf);
if (X_option || c_option) {
print_extended_maps(fp);
return 0;
}
if (x_option) {
maxw1 = 16;
if (sizeof(KLONG) == 4) maxw1 = 8;
maxw2 = maxw3 = maxw4 = 7;
maxw5 = 5;
if (!q_option) {
maxw1 = justify_print(nls_Address, maxw1, 0);
maxw2 = justify_print(nls_Kbytes, maxw2, 1);
maxw3 = justify_print(nls_RSS, maxw3, 1);
maxw4 = justify_print(nls_Dirty, maxw4, 1);
maxw5 = justify_print(nls_Mode, maxw5, 0);
justify_print(nls_Mapping, 0, 0);
}
}
if (d_option) {
maxw1 = 16;
if (sizeof(KLONG) == 4) maxw1 = 8;
maxw2 = 7;
maxw3 = 5;
maxw4 = 16;
maxw5 = 9;
if (!q_option) {
maxw1 = justify_print(nls_Address, maxw1, 0);
maxw2 = justify_print(nls_Kbytes, maxw2, 1);
maxw3 = justify_print(nls_Mode, maxw3, 0);
maxw4 = justify_print(nls_Offset, maxw4, 0);
maxw5 = justify_print(nls_Device, maxw5, 0);
justify_print(nls_Mapping, 0, 0);
}
}
while (fgets(mapbuf, sizeof mapbuf, fp)) {
char perms[32];
/* to clean up unprintables */
char *tmp;
unsigned KLONG start, end;
unsigned long long file_offset, inode;
unsigned dev_major, dev_minor;
unsigned long long smap_value;
char smap_key[20];
/* hex values are lower case or numeric, keys are upper */
if (mapbuf[0] >= 'A' && mapbuf[0] <= 'Z') {
/* Its a key */
if (sscanf
(mapbuf, "%20[^:]: %llu", smap_key,
&smap_value) == 2) {
if (strncmp("Rss", smap_key, 3) == 0) {
rss = smap_value;
total_rss += smap_value;
continue;
}
if (strncmp("Shared_Dirty", smap_key, 12) == 0) {
shared_dirty = smap_value;
total_shared_dirty += smap_value;
continue;
}
if (strncmp("Private_Dirty", smap_key, 13) == 0) {
private_dirty = smap_value;
total_private_dirty += smap_value;
continue;
}
if (strncmp("Swap", smap_key, 4) == 0) {
/*doesnt matter as long as last */
printf("%0*" KLF "x %*lu %*llu %*llu %*s %s\n",
maxw1, start,
maxw2, (unsigned long)(diff >> 10),
maxw3, rss,
maxw4, (private_dirty + shared_dirty),
maxw5, perms,
cp2);
/* reset some counters */
rss = shared_dirty = private_dirty = 0ull;
diff = 0;
continue;
}
/* Other keys */
continue;
}
}
sscanf(mapbuf, "%" KLF "x-%" KLF "x %31s %llx %x:%x %llu", &start,
&end, perms, &file_offset, &dev_major, &dev_minor,
&inode);
if (end - 1 < range_low)
continue;
if (range_high < start)
break;
tmp = strchr(mapbuf, '\n');
if (tmp)
*tmp = '\0';
tmp = mapbuf;
while (*tmp) {
if (!isprint(*tmp))
*tmp = '?';
tmp++;
}
diff = end - start;
if (perms[3] == 's')
total_shared += diff;
if (perms[3] == 'p') {
perms[3] = '-';
if (perms[1] == 'w')
total_private_writeable += diff;
else
total_private_readonly += diff;
}
/* format used by Solaris 9 and procps-3.2.0+ an 'R'
* if swap not reserved (MAP_NORESERVE, SysV ISM
* shared mem, etc.)
*/
perms[4] = '-';
perms[5] = '\0';
if (x_option) {
cp2 =
mapping_name(p, start, diff, mapbuf, map_desc_showpath, dev_major,
dev_minor, inode);
/* printed with the keys */
continue;
}
if (d_option) {
const char *cp =
mapping_name(p, start, diff, mapbuf, map_desc_showpath, dev_major,
dev_minor, inode);
printf("%0*" KLF "x %*lu %*s %0*llx %*.*s%03x:%05x %s\n",
maxw1, start,
maxw2, (unsigned long)(diff >> 10),
maxw3, perms,
maxw4, file_offset,
(maxw5-9), (maxw5-9), " ", dev_major, dev_minor,
cp);
}
if (!x_option && !d_option) {
const char *cp =
mapping_name(p, start, diff, mapbuf, map_desc_showpath, dev_major,
dev_minor, inode);
printf((sizeof(KLONG) == 8)
? "%016" KLF "x %6luK %s %s\n"
: "%08lx %6luK %s %s\n",
start, (unsigned long)(diff >> 10), perms, cp);
}
}
fclose(fp);
if (!q_option) {
if (x_option) {
if (sizeof(KLONG) == 4)
justify_print("--------", maxw1, 0);
else
justify_print("----------------", maxw1, 0);
justify_print("-------", maxw2, 1);
justify_print("-------", maxw3, 1);
justify_print("-------", maxw4, 1);
printf("\n");
printf("%-*s ", maxw1, _("total kB"));
printf("%*ld %*llu %*llu\n",
maxw2, (total_shared +
total_private_writeable +
total_private_readonly) >> 10,
maxw3, total_rss,
maxw4, (total_shared_dirty +
total_private_dirty));
}
if (d_option) {
printf
(_("mapped: %ldK writeable/private: %ldK shared: %ldK\n"),
(total_shared + total_private_writeable +
total_private_readonly) >> 10,
total_private_writeable >> 10, total_shared >> 10);
}
if (!x_option && !d_option) {
if (sizeof(KLONG) == 8)
/* Translation Hint: keep total string length
* as 24 characters. Adjust %16 if needed*/
printf(_(" total %16ldK\n"),
(total_shared + total_private_writeable +
total_private_readonly) >> 10);
else
/* Translation Hint: keep total string length
* as 16 characters. Adjust %8 if needed*/
printf(_(" total %8ldK\n"),
(total_shared + total_private_writeable +
total_private_readonly) >> 10);
}
}
return 0;
}
static void range_arguments(char *optarg)
{
char *arg1;
char *arg2;
arg1 = xstrdup(optarg);
arg2 = strchr(arg1, ',');
if (arg2)
*arg2 = '\0';
if (arg2)
++arg2;
else
arg2 = arg1;
if (arg1 && *arg1)
range_low = STRTOUKL(arg1, &arg1, 16);
if (*arg2)
range_high = STRTOUKL(arg2, &arg2, 16);
if (arg1 && (*arg1 || *arg2))
xerrx(EXIT_FAILURE, "%s: '%s'", _("failed to parse argument"),
optarg);
}
#define MAX_CNF_LINE_LEN 1024
#define SECTION_ID_NONE 0
#define SECTION_ID_UNSUPPORTED 1
#define SECTION_STR_FIELDS_DISPLAY "[Fields Display]"
#define SECTION_STR_FIELDS_DISPLAY_LEN (sizeof(SECTION_STR_FIELDS_DISPLAY) - 1)
#define SECTION_ID_FIELDS_DISPLAY 2
#define SECTION_STR_MAPPING "[Mapping]"
#define SECTION_STR_MAPPING_LEN (sizeof(SECTION_STR_MAPPING) - 1)
#define SECTION_ID_MAPPING 3
static int config_read (char *rc_filename)
{
FILE *f;
char line_buf[MAX_CNF_LINE_LEN + 1];
char tmp_buf [MAX_CNF_LINE_LEN + 1];
char *trimmed;
int length;
char *tail, *token;
int line_cnt, section_id;
f = fopen(rc_filename, "r");
if (!f) return 0; /* can't open the file for reading */
line_cnt = 0;
section_id = SECTION_ID_NONE;
while (fgets (line_buf, MAX_CNF_LINE_LEN + 1, f)) {
line_cnt++;
/* get rid of the LF char */
length = strlen(line_buf);
if (length > 0 && line_buf[length - 1] == '\n') {
line_buf[length - 1] = '\0';
} else if (length == MAX_CNF_LINE_LEN) { /* no LF char -> line too long */
xwarnx(_("config line too long - line %d"), line_cnt);
/* ignoring the tail */
while (fgets (tmp_buf, MAX_CNF_LINE_LEN + 1, f) &&
(length = strlen(tmp_buf))>0 &&
tmp_buf[length - 1] != '\n') ;
}
/* trim leading whitespaces */
trimmed = line_buf;
while (*trimmed == ' ' || *trimmed == '\t') trimmed++;
/* skip comments and empty lines */
if (*trimmed == '#' || *trimmed == '\0') continue;
if (*trimmed == '[') { /* section */
if (!strncmp(trimmed, SECTION_STR_FIELDS_DISPLAY, SECTION_STR_FIELDS_DISPLAY_LEN)) {
trimmed += SECTION_STR_FIELDS_DISPLAY_LEN;
section_id = SECTION_ID_FIELDS_DISPLAY;
} else if (!strncmp(trimmed, SECTION_STR_MAPPING, SECTION_STR_MAPPING_LEN)) {
trimmed += SECTION_STR_MAPPING_LEN;
section_id = SECTION_ID_MAPPING;
} else {
while (*trimmed != ']' || *trimmed == '\0') trimmed++;
if (*trimmed == ']') {
section_id = SECTION_ID_UNSUPPORTED;
xwarnx(_("unsupported section found in the config - line %d"), line_cnt);
trimmed++;
} else {
xwarnx(_("syntax error found in the config - line %d"), line_cnt);
}
}
/* trim trailing whitespaces */
while (*trimmed == ' ' || *trimmed == '\t') trimmed++;
/* skip comments and empty tails */
if (*trimmed == '#' || *trimmed == '\0') continue;
/* anything else found on the section line ??? */
xwarnx(_("syntax error found in the config - line %d"), line_cnt);
}
switch (section_id) {
case SECTION_ID_FIELDS_DISPLAY:
token = strtok (trimmed, " \t");
if (token) {
tail = strtok (NULL, " \t");
if (tail && *tail != '#') {
xwarnx(_("syntax error found in the config - line %d"), line_cnt);
}
/* add the field in the list */
cnf_listnode = calloc(1, sizeof *cnf_listnode);
snprintf(cnf_listnode -> description, sizeof(cnf_listnode -> description), "%s", token);
cnf_listnode -> next = cnf_listhead;
cnf_listhead = cnf_listnode;
}
break;
case SECTION_ID_MAPPING:
token = strtok (trimmed, " \t");
if (token) {
tail = strtok (NULL, " \t");
if (tail && *tail != '#') {
xwarnx(_("syntax error found in the config - line %d"), line_cnt);
}
if (!strcmp(token,"ShowPath")) map_desc_showpath = !map_desc_showpath;
}
break;
case SECTION_ID_UNSUPPORTED:
break; /* ignore the content */
default:
xwarnx(_("syntax error found in the config - line %d"), line_cnt);
}
}
fclose(f);
return 1;
}
static int config_create (char *rc_filename)
{
FILE *f;
/* check if rc exists */
f = fopen(rc_filename, "r");
if (f) { /* file exists ... let user to delete/remove it first */
fclose(f);
xwarnx(_("the file already exists - delete or rename it first"));
return 0;
}
/* file doesn't exist */
f = fopen(rc_filename, "w");
if (!f) return 0; /* can't open the file for writing */
/* current rc template, might change in the future */
fprintf(f,"# pmap's Config File\n");
fprintf(f,"\n");
fprintf(f,"# All the entries are case sensitive.\n");
fprintf(f,"# Unsupported entries are ignored!\n");
fprintf(f,"\n");
fprintf(f,"[Fields Display]\n");
fprintf(f,"\n");
fprintf(f,"# To enable a field uncomment its entry\n");
fprintf(f,"\n");
fprintf(f,"#%s\n", nls_Perm);
fprintf(f,"#%s\n", nls_Offset);
fprintf(f,"#%s\n", nls_Device);
fprintf(f,"#%s\n", nls_Inode);
fprintf(f,"#Size\n");
fprintf(f,"#Rss\n");
fprintf(f,"#Pss\n");
fprintf(f,"#Shared_Clean\n");
fprintf(f,"#Shared_Dirty\n");
fprintf(f,"#Private_Clean\n");
fprintf(f,"#Private_Dirty\n");
fprintf(f,"#Referenced\n");
fprintf(f,"#Anonymous\n");
fprintf(f,"#AnonHugePages\n");
fprintf(f,"#Swap\n");
fprintf(f,"#KernelPageSize\n");
fprintf(f,"#MMUPageSize\n");
fprintf(f,"#Locked\n");
fprintf(f,"#VmFlags\n");
fprintf(f,"#%s\n", nls_Mapping);
fprintf(f,"\n");
fprintf(f,"\n");
fprintf(f,"[Mapping]\n");
fprintf(f,"\n");
fprintf(f,"# to show paths in the mapping column uncomment the following line\n");
fprintf(f,"#ShowPath\n");
fprintf(f,"\n");
fclose(f);
return 1;
}
/* returns rc filename based on the program_invocation_short_name */
static char *get_default_rc_filename(void)
{
char *rc_filename;
int rc_filename_len;
const char *homedir;
homedir = getenv("HOME");
if (!homedir) {
xwarnx(_("HOME variable undefined"));
return NULL;
}
rc_filename_len = snprintf(NULL, 0, "%s/.%src", homedir, program_invocation_short_name);
rc_filename = (char *) calloc (1, rc_filename_len + 1);
if (!rc_filename) {
xwarnx(_("memory allocation failed"));
return NULL;
}
snprintf(rc_filename, rc_filename_len + 1, "%s/.%src", homedir, program_invocation_short_name);
return rc_filename;
}
int main(int argc, char **argv)
{
pid_t *pidlist;
unsigned count = 0;
PROCTAB *PT;
proc_t p;
int ret = 0, c, conf_ret;
char *rc_filename = NULL;
static const struct option longopts[] = {