forked from sysstat/sysstat
-
Notifications
You must be signed in to change notification settings - Fork 0
/
sadf.c
1793 lines (1582 loc) · 49.4 KB
/
sadf.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
/*
* sadf: system activity data formatter
* (C) 1999-2014 by Sebastien GODARD (sysstat <at> orange.fr)
*
***************************************************************************
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
* *
* This program is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without the implied warranty of MERCHANTABILITY *
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
* for more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
***************************************************************************
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>
#include "version.h"
#include "sadf.h"
#include "sa.h"
#include "common.h"
#include "ioconf.h"
#ifdef USE_NLS
# include <locale.h>
# include <libintl.h>
# define _(string) gettext(string)
#else
# define _(string) (string)
#endif
#define SCCSID "@(#)sysstat-" VERSION ": " __FILE__ " compiled " __DATE__ " " __TIME__
char *sccsid(void) { return (SCCSID); }
long interval = -1, count = 0;
unsigned int flags = 0;
unsigned int dm_major; /* Device-mapper major number */
unsigned int format = 0; /* Output format */
unsigned int f_position = 0; /* Output format position in array */
/* File header */
struct file_header file_hdr;
static char *seps[] = {"\t", ";"};
/*
* Activity sequence.
* This array must always be entirely filled (even with trailing zeros).
*/
unsigned int id_seq[NR_ACT];
/* Current record header */
struct record_header record_hdr[3];
/* Contain the date specified by -s and -e options */
struct tstamp tm_start, tm_end;
char *args[MAX_ARGV_NR];
extern struct activity *act[];
extern struct report_format *fmt[];
/*
***************************************************************************
* Print usage and exit.
*
* IN:
* @progname Name of sysstat command.
***************************************************************************
*/
void usage(char *progname)
{
fprintf(stderr,
_("Usage: %s [ options ] [ <interval> [ <count> ] ] [ <datafile> | -[0-9]+ ]\n"),
progname);
fprintf(stderr, _("Options are:\n"
"[ -C ] [ -c | -d | -j | -p | -x ] [ -H ] [ -h ] [ -T | -t | -U ] [ -V ]\n"
"[ -P { <cpu> [,...] | ALL } ] [ -s [ <hh:mm[:ss]> ] ] [ -e [ <hh:mm[:ss]> ] ]\n"
"[ -- <sar_options> ]\n"));
exit(1);
}
/*
***************************************************************************
* Init structures.
***************************************************************************
*/
void init_structures(void)
{
int i;
for (i = 0; i < 3; i++) {
memset(&record_hdr[i], 0, RECORD_HEADER_SIZE);
}
}
/*
***************************************************************************
* Look for output format in array.
*
* IN:
* @fmt Array of output formats.
* @format Output format to look for.
*
* RETURNS:
* Position of output format in array.
***************************************************************************
*/
int get_format_position(struct report_format *fmt[], unsigned int format)
{
int i;
for (i = 0; i < NR_FMT; i++) {
if (fmt[i]->id == format)
break;
}
if (i == NR_FMT)
/* Should never happen */
return 0;
return i;
}
/*
***************************************************************************
* Check that options entered on the command line are consistent with
* selected output format. If no output format has been explicitly entered,
* then select a default one.
***************************************************************************
*/
void check_format_options(void)
{
if (!format) {
/* Select output format if none has been selected */
if (DISPLAY_HDR_ONLY(flags)) {
format = F_HEADER_OUTPUT;
}
else {
format = F_PPC_OUTPUT;
}
}
/* Get format position in array */
f_position = get_format_position(fmt, format);
/* Check options consistency wrt output format */
if (!ACCEPT_HEADER_ONLY(fmt[f_position]->options)) {
/* Remove option -H */
flags &= ~S_F_HDR_ONLY;
}
if (!ACCEPT_HORIZONTALLY(fmt[f_position]->options)) {
/* Remove option -h */
flags &= ~S_F_HORIZONTALLY;
}
if (!ACCEPT_LOCAL_TIME(fmt[f_position]->options)) {
/* Remove options -T and -t */
flags &= ~(S_F_LOCAL_TIME + S_F_TRUE_TIME);
}
if (!ACCEPT_SEC_EPOCH(fmt[f_position]->options)) {
/* Remove option -U */
flags &= ~S_F_SEC_EPOCH;
}
}
/*
***************************************************************************
* Fill the rectime and loctime structures with current record's date and
* time, based on current record's "number of seconds since the epoch" saved
* in file.
* The resulting timestamp is expressed in UTC or in local time, depending
* on whether options -T or -t have been used or not.
*
* IN:
* @curr Index in array for current sample statistics.
* @rectime Structure where timestamp (expressed in local time or in UTC
* depending on whether options -T or -t have been used or not)
* can be saved for current record.
* @loctime Structure where timestamp (expressed in local time) can be
* saved for current record.
*
* OUT:
* @rectime Structure where timestamp for current record has been saved
* (in local time or in UTC depending on options used).
* @loctime Structure where timestamp for current record has been saved
* (expressed in local time). This field will be used for time
* comparison if options -s and/or -e have been used.
***************************************************************************
*/
void sadf_get_record_timestamp_struct(int curr, struct tm *rectime, struct tm *loctime)
{
struct tm *ltm;
if ((ltm = localtime((const time_t *) &record_hdr[curr].ust_time)) != NULL) {
*loctime = *ltm;
}
if (!PRINT_LOCAL_TIME(flags) && !PRINT_TRUE_TIME(flags)) {
/* Options -T and -t not used: Display timestamp in UTC */
ltm = gmtime((const time_t *) &record_hdr[curr].ust_time);
}
if (ltm) {
*rectime = *ltm;
}
if (PRINT_TRUE_TIME(flags)) {
/* Option -t */
rectime->tm_hour = record_hdr[curr].hour;
rectime->tm_min = record_hdr[curr].minute;
rectime->tm_sec = record_hdr[curr].second;
}
}
/*
***************************************************************************
* Set current record's timestamp strings (date and time). This timestamp is
* expressed in UTC or in local time, depending on whether options -T or -t
* have been used or not.
*
* IN:
* @curr Index in array for current sample statistics.
* @cur_date String where timestamp's date will be saved.
* @cur_time String where timestamp's time will be saved.
* @len Maximum length of timestamp strings.
* @rectime Structure with current timestamp (expressed in local time or
* in UTC depending on whether options -T or -t have been used
* or not) that should be broken down in date and time strings.
*
* OUT:
* @cur_date Timestamp's date string.
* @cur_time Timestamp's time string. May contain the number of seconds
* since the epoch (01-01-1970) if option -U has been used.
***************************************************************************
*/
void set_record_timestamp_string(int curr, char *cur_date, char *cur_time, int len,
struct tm *rectime)
{
/* Set cur_time date value */
if (PRINT_SEC_EPOCH(flags)) {
sprintf(cur_time, "%ld", record_hdr[curr].ust_time);
strcpy(cur_date, "");
}
else {
/*
* If options -T or -t have been used then cur_time is
* expressed in local time. Else it is expressed in UTC.
*/
strftime(cur_date, len, "%Y-%m-%d", rectime);
strftime(cur_time, len, "%H:%M:%S", rectime);
}
}
/*
***************************************************************************
* Print tabulations
*
* IN:
* @nr_tab Number of tabs to print.
***************************************************************************
*/
void prtab(int nr_tab)
{
int i;
for (i = 0; i < nr_tab; i++) {
printf("\t");
}
}
/*
***************************************************************************
* printf() function modified for textual (XML-like) display. Don't print a
* CR at the end of the line.
*
* IN:
* @nr_tab Number of tabs to print.
* @fmtf printf() format.
***************************************************************************
*/
void xprintf0(int nr_tab, const char *fmtf, ...)
{
static char buf[1024];
va_list args;
va_start(args, fmtf);
vsnprintf(buf, sizeof(buf), fmtf, args);
va_end(args);
prtab(nr_tab);
printf("%s", buf);
}
/*
***************************************************************************
* printf() function modified for textual (XML-like) display. Print a CR
* at the end of the line.
*
* IN:
* @nr_tab Number of tabs to print.
* @fmtf printf() format.
***************************************************************************
*/
void xprintf(int nr_tab, const char *fmtf, ...)
{
static char buf[1024];
va_list args;
va_start(args, fmtf);
vsnprintf(buf, sizeof(buf), fmtf, args);
va_end(args);
prtab(nr_tab);
printf("%s\n", buf);
}
/*
***************************************************************************
* Display restart records for textual (XML-like) reports.
*
* IN:
* @curr Index in array for current sample statistics.
* @use_tm_start Set to TRUE if option -s has been used.
* @use_tm_end Set to TRUE if option -e has been used.
* @tab Number of tabulations to print.
* @rectime Structure where timestamp (expressed in local time
* or in UTC depending on whether options -T/-t have
* been used or not) can be saved for current record.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
* @new_cpu_nr CPU count associated with restart mark.
*
* OUT:
* @rectime Structure where timestamp for current record has
* been saved.
* @loctime Structure where timestamp for current record has
* been saved.
***************************************************************************
*/
void write_textual_restarts(int curr, int use_tm_start, int use_tm_end, int tab,
struct tm *rectime, struct tm *loctime,
unsigned int new_cpu_nr)
{
char cur_date[32], cur_time[32];
/* Fill timestamp structure for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/* The record must be in the interval specified by -s/-e options */
if ((use_tm_start && (datecmp(loctime, &tm_start) < 0)) ||
(use_tm_end && (datecmp(loctime, &tm_end) > 0)))
return;
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
if (*fmt[f_position]->f_restart) {
(*fmt[f_position]->f_restart)(&tab, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), &file_hdr,
new_cpu_nr);
}
}
/*
***************************************************************************
* Display COMMENT records for textual (XML-like) reports.
*
* IN:
* @curr Index in array for current sample statistics.
* @use_tm_start Set to TRUE if option -s has been used.
* @use_tm_end Set to TRUE if option -e has been used.
* @tab Number of tabulations to print.
* @ifd Input file descriptor.
* @rectime Structure where timestamp (expressed in local time
* or in UTC depending on whether options -T/-t have
* been used or not) can be saved for current record.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
*
* OUT:
* @rectime Structure where timestamp for current record has
* been saved.
* @loctime Structure where timestamp for current record has
* been saved.
***************************************************************************
*/
void write_textual_comments(int curr, int use_tm_start, int use_tm_end, int tab, int ifd,
struct tm *rectime, struct tm *loctime)
{
char cur_date[32], cur_time[32];
char file_comment[MAX_COMMENT_LEN];
sa_fread(ifd, file_comment, MAX_COMMENT_LEN, HARD_SIZE);
file_comment[MAX_COMMENT_LEN - 1] = '\0';
/* Fill timestamp structure for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/* The record must be in the interval specified by -s/-e options */
if ((use_tm_start && (datecmp(loctime, &tm_start) < 0)) ||
(use_tm_end && (datecmp(loctime, &tm_end) > 0)))
return;
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
if (*fmt[f_position]->f_comment) {
(*fmt[f_position]->f_comment)(&tab, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), file_comment,
&file_hdr);
}
}
/*
***************************************************************************
* Display the field list (used eg. in database format).
*
* IN:
* @act_d Activity to display, or ~0 for all.
***************************************************************************
*/
void list_fields(unsigned int act_id)
{
int i, j;
unsigned int msk;
char *hl;
char hline[HEADER_LINE_LEN] = "";
printf("# hostname;interval;timestamp");
for (i = 0; i < NR_ACT; i++) {
if ((act_id != ALL_ACTIVITIES) && (act[i]->id != act_id))
continue;
if (IS_SELECTED(act[i]->options) && (act[i]->nr > 0)) {
if (!HAS_MULTIPLE_OUTPUTS(act[i]->options)) {
printf(";%s", act[i]->hdr_line);
if ((act[i]->nr > 1) && DISPLAY_HORIZONTALLY(flags)) {
printf("[...]");
}
}
else {
msk = 1;
strncpy(hline, act[i]->hdr_line, HEADER_LINE_LEN - 1);
hline[HEADER_LINE_LEN - 1] = '\0';
for (hl = strtok(hline, "|"); hl; hl = strtok(NULL, "|"), msk <<= 1) {
if ((hl != NULL) && ((act[i]->opt_flags & 0xff) & msk)) {
if (strchr(hl, '&')) {
j = strcspn(hl, "&");
if ((act[i]->opt_flags & 0xff00) & (msk << 8)) {
/* Display whole header line */
*(hl + j) = ';';
printf(";%s", hl);
}
else {
/* Display only the first part of the header line */
*(hl + j) = '\0';
printf(";%s", hl);
}
*(hl + j) = '&';
}
else {
printf(";%s", hl);
}
if ((act[i]->nr > 1) && DISPLAY_HORIZONTALLY(flags)) {
printf("[...]");
}
}
}
}
}
}
printf("\n");
}
/*
***************************************************************************
* write_mech_stats() -
* Replace the old write_stats_for_ppc() and write_stats_for_db(),
* making it easier for them to remain in sync and print the same data.
*
* IN:
* @curr Index in array for current sample statistics.
* @dt Interval of time in seconds.
* @itv Interval of time in jiffies.
* @g_itv Interval of time in jiffies multiplied by the number of
* processors.
* @cur_date Date string for current record.
* @cur_time Time string for current record.
* @act_id Activity to display, or ~0 for all.
***************************************************************************
*/
void write_mech_stats(int curr, unsigned long dt, unsigned long long itv,
unsigned long long g_itv, char *cur_date, char *cur_time,
unsigned int act_id)
{
int i;
char pre[80], temp[80]; /* Text at beginning of each line */
int isdb = (format == F_DB_OUTPUT);
/* This substring appears on every output line, preformat it here */
snprintf(pre, 80, "%s%s%ld%s",
file_hdr.sa_nodename, seps[isdb], dt, seps[isdb]);
if (strlen(cur_date)) {
snprintf(temp, 80, "%s%s ", pre, cur_date);
}
else {
strcpy(temp, pre);
}
snprintf(pre, 80, "%s%s%s", temp, cur_time,
strlen(cur_date) && !PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags) ? " UTC" : "");
pre[79] = '\0';
if (DISPLAY_HORIZONTALLY(flags)) {
printf("%s", pre);
}
for (i = 0; i < NR_ACT; i++) {
if ((act_id != ALL_ACTIVITIES) && (act[i]->id != act_id))
continue;
if (IS_SELECTED(act[i]->options) && (act[i]->nr > 0)) {
(*act[i]->f_render)(act[i], isdb, pre, curr,
NEED_GLOBAL_ITV(act[i]->options) ? g_itv : itv);
}
}
if (DISPLAY_HORIZONTALLY(flags)) {
printf("\n");
}
}
/*
***************************************************************************
* Write system statistics.
*
* IN:
* @curr Index in array for current sample statistics.
* @reset Set to TRUE if last_uptime variable should be
* reinitialized (used in next_slice() function).
* @use_tm_start Set to TRUE if option -s has been used.
* @use_tm_end Set to TRUE if option -e has been used.
* @act_id Activities to display.
* @cpu_nr Number of processors for current activity data file.
* @rectime Structure where timestamp (expressed in local time
* or in UTC depending on whether options -T/-t have
* been used or not) can be saved for current record.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
* @reset_cd TRUE if static cross_day variable should be reset.
*
* OUT:
* @cnt Set to 0 to indicate that no other lines of stats
* should be displayed.
*
* RETURNS:
* 1 if a line of stats has been displayed, and 0 otherwise.
***************************************************************************
*/
int write_parsable_stats(int curr, int reset, long *cnt, int use_tm_start,
int use_tm_end, unsigned int act_id, __nr_t cpu_nr,
struct tm *rectime, struct tm *loctime, int reset_cd)
{
unsigned long long dt, itv, g_itv;
char cur_date[32], cur_time[32];
static int cross_day = FALSE;
if (reset_cd) {
/*
* See note in sar.c.
* NB: Reseting cross_day is not needed in write_textual_stats()
* function (datafile is never rewinded).
*/
cross_day = 0;
}
/*
* Check time (1).
* For this first check, we use the time interval entered on
* the command line. This is equivalent to sar's option -i which
* selects records at seconds as close as possible to the number
* specified by the interval parameter.
*/
if (!next_slice(record_hdr[2].uptime0, record_hdr[curr].uptime0,
reset, interval))
/* Not close enough to desired interval */
return 0;
/* Fill timestamp structure for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/* Check if we are beginning a new day */
if (use_tm_start && record_hdr[!curr].ust_time &&
(record_hdr[curr].ust_time > record_hdr[!curr].ust_time) &&
(record_hdr[curr].hour < record_hdr[!curr].hour)) {
cross_day = TRUE;
}
if (cross_day) {
/*
* This is necessary if we want to properly handle something like:
* sar -s time_start -e time_end with
* time_start(day D) > time_end(day D+1)
*/
loctime->tm_hour += 24;
}
/* Check time (2) */
if (use_tm_start && (datecmp(loctime, &tm_start) < 0))
/* it's too soon... */
return 0;
/* Get interval values */
get_itv_value(&record_hdr[curr], &record_hdr[!curr],
cpu_nr, &itv, &g_itv);
/* Check time (3) */
if (use_tm_end && (datecmp(loctime, &tm_end) > 0)) {
/* It's too late... */
*cnt = 0;
return 0;
}
dt = itv / HZ;
/* Correct rounding error for dt */
if ((itv % HZ) >= (HZ / 2)) {
dt++;
}
/* Set current timestamp string */
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
write_mech_stats(curr, dt, itv, g_itv, cur_date, cur_time, act_id);
return 1;
}
/*
***************************************************************************
* Display activity records for textual (XML-like) formats.
*
* IN:
* @curr Index in array for current sample statistics.
* @use_tm_start Set to TRUE if option -s has been used.
* @use_tm_end Set to TRUE if option -e has been used.
* @reset Set to TRUE if last_uptime should be reinitialized
* (used in next_slice() function).
* @tab Number of tabulations to print.
* @cpu_nr Number of processors.
* @rectime Structure where timestamp (expressed in local time
* or in UTC depending on whether options -T/-t have
* been used or not) can be saved for current record.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
*
* OUT:
* @cnt Set to 0 to indicate that no other lines of stats
* should be displayed.
*
* RETURNS:
* 1 if stats have been successfully displayed.
***************************************************************************
*/
int write_textual_stats(int curr, int use_tm_start, int use_tm_end, int reset,
long *cnt, int tab, __nr_t cpu_nr, struct tm *rectime,
struct tm *loctime)
{
int i;
unsigned long long dt, itv, g_itv;
char cur_date[32], cur_time[32];
static int cross_day = FALSE;
/* Fill timestamp structure (rectime) for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/*
* Check time (1).
* For this first check, we use the time interval entered on
* the command line. This is equivalent to sar's option -i which
* selects records at seconds as close as possible to the number
* specified by the interval parameter.
*/
if (!next_slice(record_hdr[2].uptime0, record_hdr[curr].uptime0,
reset, interval))
/* Not close enough to desired interval */
return 0;
/* Check if we are beginning a new day */
if (use_tm_start && record_hdr[!curr].ust_time &&
(record_hdr[curr].ust_time > record_hdr[!curr].ust_time) &&
(record_hdr[curr].hour < record_hdr[!curr].hour)) {
cross_day = TRUE;
}
if (cross_day) {
/*
* This is necessary if we want to properly handle something like:
* sar -s time_start -e time_end with
* time_start(day D) > time_end(day D+1)
*/
loctime->tm_hour += 24;
}
/* Check time (2) */
if (use_tm_start && (datecmp(loctime, &tm_start) < 0))
/* it's too soon... */
return 0;
/* Get interval values */
get_itv_value(&record_hdr[curr], &record_hdr[!curr],
cpu_nr, &itv, &g_itv);
/* Check time (3) */
if (use_tm_end && (datecmp(loctime, &tm_end) > 0)) {
/* It's too late... */
*cnt = 0;
return 0;
}
dt = itv / HZ;
/* Correct rounding error for dt */
if ((itv % HZ) >= (HZ / 2)) {
dt++;
}
/* Set date and time strings for current record */
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(&tab, F_BEGIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), dt);
}
if (format == F_XML_OUTPUT) {
tab++;
}
/* Display textual statistics */
for (i = 0; i < NR_ACT; i++) {
/* This code is not generic at all...! */
if (format == F_JSON_OUTPUT) {
/* JSON output */
if (CLOSE_MARKUP(act[i]->options) ||
(IS_SELECTED(act[i]->options) && (act[i]->nr > 0))) {
if (IS_SELECTED(act[i]->options) && (act[i]->nr > 0)) {
printf(",");
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(&tab, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), dt);
}
}
(*act[i]->f_json_print)(act[i], curr, tab, NEED_GLOBAL_ITV(act[i]->options) ?
g_itv : itv);
}
}
else {
/* XML output */
if (CLOSE_MARKUP(act[i]->options) ||
(IS_SELECTED(act[i]->options) && (act[i]->nr > 0))) {
(*act[i]->f_xml_print)(act[i], curr, tab, NEED_GLOBAL_ITV(act[i]->options) ?
g_itv : itv);
}
}
}
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(&tab, F_END, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), dt);
}
return 1;
}
/*
***************************************************************************
* Print contents of a special (RESTART or COMMENT) record.
*
* IN:
* @curr Index in array for current sample statistics.
* @use_tm_start Set to TRUE if option -s has been used.
* @use_tm_end Set to TRUE if option -e has been used.
* @rtype Record type (RESTART or COMMENT).
* @ifd Input file descriptor.
* @rectime Structure where timestamp (expressed in local time
* or in UTC depending on whether options -T/-t have
* been used or not) can be saved for current record.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
* @file Name of file being read.
* @file_magic file_magic structure filled with file magic header
* data.
***************************************************************************
*/
void sadf_print_special(int curr, int use_tm_start, int use_tm_end, int rtype, int ifd,
struct tm *rectime, struct tm *loctime, char *file,
struct file_magic *file_magic)
{
char cur_date[32], cur_time[32];
int dp = 1;
unsigned int new_cpu_nr;
/* Fill timestamp structure (rectime) for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/* Set date and time strings for current record */
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
/* The record must be in the interval specified by -s/-e options */
if ((use_tm_start && (datecmp(loctime, &tm_start) < 0)) ||
(use_tm_end && (datecmp(loctime, &tm_end) > 0))) {
dp = 0;
}
if (rtype == R_RESTART) {
/* Don't forget to read the volatile activities structures */
new_cpu_nr = read_vol_act_structures(ifd, act, file, file_magic,
file_hdr.sa_vol_act_nr);
if (!dp)
return;
if (*fmt[f_position]->f_restart) {
(*fmt[f_position]->f_restart)(NULL, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), &file_hdr,
new_cpu_nr);
}
}
else if (rtype == R_COMMENT) {
char file_comment[MAX_COMMENT_LEN];
sa_fread(ifd, file_comment, MAX_COMMENT_LEN, HARD_SIZE);
file_comment[MAX_COMMENT_LEN - 1] = '\0';
if (!dp || !DISPLAY_COMMENT(flags))
return;
if (*fmt[f_position]->f_comment) {
(*fmt[f_position]->f_comment)(NULL, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), file_comment,
&file_hdr);
}
}
}
/*
***************************************************************************
* Read stats for current activity from file and write them.
*
* IN:
* @ifd File descriptor of input file.
* @fpos Position in file where reading must start.
* @curr Index in array for current sample statistics.
* @act_id Activity to display, or ~0 for all.
* @file_actlst List of (known or unknown) activities in file.
* @cpu_nr Number of processors for current activity data file.
* @rectime Structure where timestamp (expressed in local time or in UTC
* depending on whether options -T/-t have been used or not) can
* be saved for current record.
* @loctime Structure where timestamp (expressed in local time) can be
* saved for current record.
* @file Name of file being read.
* @file_magic file_magic structure filled with file magic header data.
*
* OUT:
* @curr Index in array for next sample statistics.
* @cnt Number of lines of stats remaining to write.
* @eosaf Set to TRUE if EOF (end of file) has been reached.
* @reset Set to TRUE if last_uptime variable should be
* reinitialized (used in next_slice() function).
***************************************************************************
*/
void rw_curr_act_stats(int ifd, off_t fpos, int *curr, long *cnt, int *eosaf,
unsigned int act_id, int *reset, struct file_activity *file_actlst,
__nr_t cpu_nr, struct tm *rectime, struct tm *loctime,
char *file, struct file_magic *file_magic)
{
unsigned char rtype;
int next, reset_cd;
if (lseek(ifd, fpos, SEEK_SET) < fpos) {
perror("lseek");
exit(2);
}
if (DISPLAY_FIELD_LIST(fmt[f_position]->options)) {
/* Print field list */
list_fields(act_id);
}
/*
* Restore the first stats collected.
* Used to compute the rate displayed on the first line.
*/
copy_structures(act, id_seq, record_hdr, !*curr, 2);
*cnt = count;
reset_cd = 1;
do {
/* Display <count> lines of stats */
*eosaf = sa_fread(ifd, &record_hdr[*curr], RECORD_HEADER_SIZE,
SOFT_SIZE);
rtype = record_hdr[*curr].record_type;
if (!*eosaf && (rtype != R_RESTART) && (rtype != R_COMMENT)) {
/* Read the extra fields since it's not a RESTART record */
read_file_stat_bunch(act, *curr, ifd, file_hdr.sa_act_nr,
file_actlst);
}
if (!*eosaf && (rtype != R_RESTART)) {
if (rtype == R_COMMENT) {
sadf_print_special(*curr, tm_start.use, tm_end.use,
R_COMMENT, ifd, rectime, loctime,
file, file_magic);
continue;
}
next = write_parsable_stats(*curr, *reset, cnt,
tm_start.use, tm_end.use, act_id,
cpu_nr, rectime, loctime, reset_cd);
reset_cd = 0;
if (next) {
/*
* next is set to 1 when we were close enough to desired interval.
* In this case, the call to write_parsable_stats() has actually
* displayed a line of stats.
*/
*curr ^=1;
if (*cnt > 0) {
(*cnt)--;
}
}
*reset = FALSE;
}
}
while (*cnt && !*eosaf && (rtype != R_RESTART));
*reset = TRUE;
}
/*
***************************************************************************
* Save or restore number of items for all known activities.
*
* IN:
* @save_act_nr Array containing number of items to restore for each
* activity.
* @action DO_SAVE to save number of items, or DO_RESTORE to restore.
*
* OUT:
* @save_act_nr Array containing number of items saved for each activity.
***************************************************************************
*/
void sr_act_nr(__nr_t save_act_nr[], int action)
{
int i;
if (action == DO_SAVE) {
/* Save number of items for all activities */
for (i = 0; i < NR_ACT; i++) {
save_act_nr[i] = act[i]->nr;
}
}
else if (action == DO_RESTORE) {
/*
* Restore number of items for all activities
* and reallocate structures accordingly.
*/
for (i = 0; i < NR_ACT; i++) {
if (save_act_nr[i] > 0) {
reallocate_vol_act_structures(act, save_act_nr[i],
act[i]->id);
}
}