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2026-09-07 - 00:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack5slot4.osadl.org (updated Sun Sep 06, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20138212666,7sleep00-21swapper/019:09:270
148042126117,6sleep30-21swapper/319:05:103
199812122113,6sleep20-21swapper/219:07:252
199852120109,7sleep10-21swapper/119:07:271
53602940,0sleep10-21swapper/100:15:151
320402770,1sleep30-21swapper/321:38:473
200542610,1sleep10-21swapper/122:15:191
160372600,0sleep20-21swapper/222:40:232
305372580,1sleep010-21rcuc/000:25:190
272142580,0sleep30-21swapper/321:50:213
281032570,1sleep338-21rcuc/321:22:403
112402560,1sleep311242-21kthreadcore19:55:183
8702540,0sleep20-21swapper/221:39:472
152912430,3sleep22035599cyclictest23:22:572
2035099320,4cyclictest0-21swapper/121:53:051
2035099290,17cyclictest0-21swapper/122:37:541
2035599286,4cyclictest0-21swapper/221:54:162
2035599286,19cyclictest0-21swapper/222:25:372
2035599281,26cyclictest0-21swapper/220:39:002
2035599281,26cyclictest0-21swapper/200:02:302
2035599276,16cyclictest6194-21kworker/2:000:31:372
2035599275,17cyclictest0-21swapper/200:10:272
2035599271,19cyclictest0-21swapper/221:40:172
2035599271,15cyclictest6194-21kworker/2:023:56:082
20355992710,15cyclictest8899-21kworker/2:222:20:412
20355992710,15cyclictest0-21swapper/200:20:332
2035599270,26cyclictest0-21swapper/222:09:072
2035599270,26cyclictest0-21swapper/220:03:382
20350992723,3cyclictest0-21swapper/122:40:271
20350992710,15cyclictest0-21swapper/123:00:131
2035099270,4cyclictest0-21swapper/121:37:481
2035099270,4cyclictest0-21swapper/100:07:361
2035099270,26cyclictest0-21swapper/122:32:581
2035099270,16cyclictest0-21swapper/121:46:151
2035099270,13cyclictest0-21swapper/122:20:131
2035599269,15cyclictest6194-21kworker/2:000:27:312
2035599261,9cyclictest15823-21ssh22:00:132
20355992612,12cyclictest2865-21runrttasks23:36:552
20355992612,12cyclictest2865-21runrttasks23:36:552
2035599260,7cyclictest0-21swapper/223:40:422
2035599260,26cyclictest0-21swapper/220:18:112
2035599260,25cyclictest0-21swapper/221:23:302
2035599260,25cyclictest0-21swapper/221:00:482
2035599260,25cyclictest0-21swapper/220:29:092
2035599260,24cyclictest0-21swapper/200:17:242
2035099260,6cyclictest0-21swapper/121:24:541
2035099260,5cyclictest0-21swapper/123:56:141
2035099260,5cyclictest0-21swapper/122:14:501
2035099260,4cyclictest0-21swapper/121:59:561
2035099260,3cyclictest0-21swapper/123:05:331
2035099260,2cyclictest0-21swapper/123:29:361
2035099260,25cyclictest0-21swapper/122:09:241
2035099260,13cyclictest0-21swapper/123:32:331
2035099260,10cyclictest0-21swapper/100:30:211
2034699262,17cyclictest25883-21kthreadcore21:35:190
2035599258,15cyclictest8899-21kworker/2:223:25:162
20355992518,6cyclictest755-21snmpd23:32:272
20355992518,6cyclictest755-21snmpd23:05:322
2035599251,18cyclictest0-21swapper/223:10:152
20355992510,4cyclictest0-21swapper/221:16:212
20355992510,14cyclictest0-21swapper/223:46:262
20355992510,14cyclictest0-21swapper/200:05:002
2035599250,25cyclictest0-21swapper/222:53:412
2035599250,24cyclictest0-21swapper/221:29:192
2035599250,23cyclictest0-21swapper/222:37:292
2035599250,12cyclictest0-21swapper/223:17:102
2035099252,3cyclictest0-21swapper/100:23:071
20350992512,11cyclictest0-21swapper/121:34:341
20350992510,5cyclictest23159-21diskstats22:45:151
2035099250,3cyclictest0-21swapper/123:44:581
2035099250,24cyclictest0-21swapper/122:55:041
2035099250,24cyclictest0-21swapper/100:10:001
2035099250,19cyclictest0-21swapper/122:29:091
2035099250,11cyclictest0-21swapper/123:14:281
2034699250,24cyclictest0-21swapper/023:25:190
2034699250,24cyclictest0-21swapper/021:29:550
2035599248,15cyclictest0-21swapper/223:02:442
2035599248,13cyclictest8899-21kworker/2:222:45:522
2035599243,15cyclictest0-21swapper/221:57:002
20355992422,2cyclictest0-21swapper/219:31:222
20355992417,6cyclictest755-21snmpd19:12:152
2035599241,10cyclictest0-21swapper/222:20:002
2035599241,10cyclictest0-21swapper/221:11:352
20355992410,5cyclictest0-21swapper/222:11:392
2035599240,9cyclictest283-21systemd-journal20:34:532
2035599240,22cyclictest0-21swapper/222:30:152
2035599240,19cyclictest0-21swapper/222:56:442
2035599240,18cyclictest0-21swapper/223:50:152
2035099242,3cyclictest0-21swapper/100:25:041
2035099241,1cyclictest0-21swapper/100:35:471
2035099241,19cyclictest7483-21perl23:20:151
2035099240,6cyclictest0-21swapper/123:53:381
2035099240,4cyclictest0-21swapper/123:15:051
2035099240,4cyclictest0-21swapper/122:53:441
2035099240,4cyclictest0-21swapper/100:04:291
2035099240,3cyclictest0-21swapper/123:49:011
2035099240,3cyclictest0-21swapper/122:01:301
2035099240,2cyclictest0-21swapper/121:19:131
2035099240,23cyclictest0-21swapper/121:43:571
2035099240,1cyclictest15966-21kworker/1:223:35:281
2035099240,1cyclictest15966-21kworker/1:223:35:281
20346992417,6cyclictest0-21swapper/000:07:120
20346992416,7cyclictest2220-21ssh22:06:590
2034699240,23cyclictest0-21swapper/023:37:140
2034699240,23cyclictest0-21swapper/023:37:140
2034699240,23cyclictest0-21swapper/023:32:370
2034699240,23cyclictest0-21swapper/021:33:250
2034699240,23cyclictest0-21swapper/000:18:530
2034699240,18cyclictest0-21swapper/022:26:540
2035599239,4cyclictest0-21swapper/221:48:032
20355992315,7cyclictest755-21snmpd20:54:422
2035599231,21cyclictest0-21swapper/219:55:462
2035599231,21cyclictest0-21swapper/219:26:132
2035599231,21cyclictest0-21swapper/219:15:432
2035599230,17cyclictest0-21swapper/221:30:242
2035599230,11cyclictest755-21snmpd00:35:372
20350992317,5cyclictest755-21snmpd19:58:591
2035099230,3cyclictest0-21swapper/121:27:061
2035099230,23cyclictest0-21swapper/119:32:221
2035099230,22cyclictest0-21swapper/121:00:161
2035099230,16cyclictest0-21swapper/121:10:391
20346992316,6cyclictest0-21swapper/021:52:020
2034699230,22cyclictest0-21swapper/023:56:500
2034699230,22cyclictest0-21swapper/023:11:510
2034699230,22cyclictest0-21swapper/022:16:530
2034699230,22cyclictest0-21swapper/021:24:290
2034699230,22cyclictest0-21swapper/000:01:250
20355992219,2cyclictest755-21snmpd19:23:102
20355992214,7cyclictest755-21snmpd20:57:442
2035599221,20cyclictest0-21swapper/220:08:462
2035599220,21cyclictest0-21swapper/219:49:292
2035099220,4cyclictest0-21swapper/121:09:421
20346992219,2cyclictest755-21snmpd20:00:310
20346992215,6cyclictest0-21swapper/022:20:550
2034699220,21cyclictest0-21swapper/023:46:510
2034699220,21cyclictest0-21swapper/023:42:440
2034699220,21cyclictest0-21swapper/023:15:380
2034699220,21cyclictest0-21swapper/023:09:210
2034699220,21cyclictest0-21swapper/022:51:340
2034699220,21cyclictest0-21swapper/022:46:100
2034699220,21cyclictest0-21swapper/021:55:170
2034699220,21cyclictest0-21swapper/021:45:130
2034699220,21cyclictest0-21swapper/021:42:090
2034699220,21cyclictest0-21swapper/021:18:410
2034699220,21cyclictest0-21swapper/021:12:400
2034699220,21cyclictest0-21swapper/000:30:110
2034699220,21cyclictest0-21swapper/000:12:340
2034699220,20cyclictest0-21swapper/020:20:120
2034699220,16cyclictest0-21swapper/022:58:560
2034699220,15cyclictest0-21swapper/022:31:580
97982210,3sleep3391ktimersoftd/323:49:173
20355992113,7cyclictest755-21snmpd20:41:142
2035599210,7cyclictest283-21systemd-journal20:49:562
2035599210,3cyclictest0-21swapper/219:36:202
2035099210,3cyclictest0-21swapper/119:21:551
2035099210,2cyclictest0-21swapper/120:39:571
2035099210,2cyclictest0-21swapper/120:20:401
2035099210,2cyclictest0-21swapper/120:05:171
2035099210,2cyclictest0-21swapper/119:36:401
2035099210,2cyclictest0-21swapper/119:15:241
20346992118,2cyclictest265912sleep020:36:560
20346992114,6cyclictest0-21swapper/000:22:260
2034699210,20cyclictest0-21swapper/023:21:570
2034699210,20cyclictest0-21swapper/023:02:560
2034699210,20cyclictest0-21swapper/022:37:150
2034699210,16cyclictest0-21swapper/022:11:310
20355992017,3cyclictest0-21swapper/220:13:242
20355992013,6cyclictest755-21snmpd20:21:352
2035599200,19cyclictest0-21swapper/221:05:232
2035599200,13cyclictest0-21swapper/219:50:222
20350992017,3cyclictest0-21swapper/119:11:331
20350992017,2cyclictest0-21swapper/120:58:151
20350992016,3cyclictest0-21swapper/120:41:531
2035099201,13cyclictest0-21swapper/119:45:271
2035099200,2cyclictest0-21swapper/120:33:381
2035099200,2cyclictest0-21swapper/120:29:031
20346992018,1cyclictest755-21snmpd20:46:480
20346992018,1cyclictest755-21snmpd20:43:440
20346992017,2cyclictest755-21snmpd22:42:260
2034699200,3cyclictest0-21swapper/022:04:070
2034699200,19cyclictest0-21swapper/023:51:330
2034699200,19cyclictest0-21swapper/019:50:170
20355991917,2cyclictest0-21swapper/219:41:102
2035099198,10cyclictest0-21swapper/120:16:581
20350991916,3cyclictest0-21swapper/120:04:041
20350991916,2cyclictest0-21swapper/120:53:051
2035099190,2cyclictest0-21swapper/119:40:221
2034699195,8cyclictest0-21swapper/019:40:180
20346991917,1cyclictest755-21snmpd21:06:020
20346991917,1cyclictest755-21snmpd20:56:150
20346991917,1cyclictest755-21snmpd20:53:590
20346991917,1cyclictest755-21snmpd20:06:290
20346991917,1cyclictest755-21snmpd19:48:280
20346991917,1cyclictest755-21snmpd19:12:580
20346991917,1cyclictest755-21snmpd00:39:220
2035099180,17cyclictest0-21swapper/119:25:121
20346991816,1cyclictest755-21snmpd21:01:380
20346991816,1cyclictest755-21snmpd20:31:180
20346991816,1cyclictest755-21snmpd20:11:280
20346991816,1cyclictest755-21snmpd19:17:280
20350991715,2cyclictest0-21swapper/120:13:391
20346991715,1cyclictest755-21snmpd20:17:080
20346991715,1cyclictest755-21snmpd19:26:310
2034699170,16cyclictest0-21swapper/019:35:150
2034699170,16cyclictest0-21swapper/019:24:340
170292170,0sleep30-21swapper/322:00:193
2035099161,13cyclictest0-21swapper/120:47:051
2035099161,11cyclictest0-21swapper/119:50:121
2034699160,15cyclictest0-21swapper/020:25:230
2034699160,15cyclictest0-21swapper/019:55:150
2034699160,15cyclictest0-21swapper/019:30:170
271532150,0sleep30-21swapper/323:00:193
190742150,0sleep30-21swapper/320:30:183
198082140,10sleep30-21swapper/323:53:073
66912130,0sleep30-21swapper/322:36:553
241332120,8sleep324157-21ssh00:22:443
153322120,3sleep30-21swapper/322:26:233
263712110,3sleep30-21swapper/323:40:493
216092111,7sleep30-21swapper/321:34:483
212472110,2sleep321268-21ssh21:47:293
326992100,2sleep30-21swapper/320:45:053
283902100,3sleep30-21swapper/321:08:413
273002102,5sleep30-21swapper/300:25:073
203382100,2sleep30-21swapper/300:06:413
113682100,2sleep30-21swapper/321:43:533
5072291,5sleep30-21swapper/322:09:173
31143292,4sleep30-21swapper/322:34:483
28464292,4sleep30-21swapper/322:45:453
19094292,4sleep30-21swapper/322:55:393
15878292,4sleep30-21swapper/322:13:403
15022291,5sleep30-21swapper/323:09:333
12147290,1sleep30-21swapper/323:20:263
9948283,3sleep30-21swapper/300:02:363
7509281,4sleep30-21swapper/322:50:383
4840280,5sleep30-21swapper/321:12:443
3785281,5sleep30-21swapper/322:21:263
30158281,4sleep30-21swapper/323:57:073
29967280,5sleep30-21swapper/319:45:143
27430282,3sleep30-21swapper/323:15:023
23185281,4sleep30-21swapper/323:25:233
22293280,2sleep30-21swapper/321:01:363
20548280,1sleep30-21swapper/323:10:213
19414282,3sleep30-21swapper/323:39:293
19414282,3sleep30-21swapper/323:39:293
17795281,4sleep30-21swapper/300:35:093
13879281,4sleep30-21swapper/300:32:083
11969281,4sleep30-21swapper/322:40:173
8194270,4sleep30-21swapper/319:52:003
6888271,5sleep30-21swapper/319:22:193
4802270,4sleep30-21swapper/321:25:433
4451271,4sleep30-21swapper/323:31:443
25244271,3sleep30-21swapper/300:10:093
23802274,2sleep30-21swapper/319:37:383
17881271,3sleep30-21swapper/322:15:063
14435271,3sleep30-21swapper/300:19:103
14103270,5sleep30-21swapper/321:15:543
10722271,3sleep30-21swapper/321:56:273
32172260,3sleep30-21swapper/320:15:183
31548261,3sleep30-21swapper/320:40:213
28812261,2sleep30-21swapper/319:15:153
21402261,2sleep321406-21apt-get20:35:133
18140261,4sleep30-21swapper/319:32:283
7335251,2sleep37339-21apt-get19:25:133
6635251,2sleep30-21swapper/320:50:183
4895250,2sleep35076-21perl20:20:143
30794251,3sleep30-21swapper/320:12:253
25602250,3sleep30-21swapper/319:10:263
24448251,2sleep324673-21diskstats19:40:133
16879252,2sleep30-21swapper/320:59:393
10223251,2sleep30-21swapper/320:25:163
19696240,2sleep30-21swapper/320:05:003
14402240,2sleep30-21swapper/320:00:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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