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2026-04-09 - 01:52
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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 all highest latencies:
System rack5slot4.osadl.org (updated Wed Apr 08, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26107212664,8sleep30-21swapper/307:09:573
257792113104,6sleep20-21swapper/207:05:432
25875210898,7sleep10-21swapper/107:06:591
25762210896,9sleep00-21swapper/007:05:300
173752630,0sleep20-21swapper/210:45:212
196642560,0sleep30-21swapper/309:25:123
189272550,0sleep00-21swapper/007:30:110
93412540,1sleep20-21swapper/211:10:152
320972520,0sleep20-21swapper/207:15:002
321862400,0sleep032191-21kthreadcore12:25:190
2628599330,17cyclictest0-21swapper/209:15:112
2628099280,27cyclictest0-21swapper/112:38:311
2628099280,27cyclictest0-21swapper/109:45:061
2628099280,27cyclictest0-21swapper/108:24:021
2628099280,27cyclictest0-21swapper/107:42:471
2628599270,26cyclictest0-21swapper/211:15:592
2628599270,25cyclictest14657-21ntp_states08:20:202
2628099270,26cyclictest0-21swapper/111:55:521
2628099270,26cyclictest0-21swapper/110:16:181
2628099270,26cyclictest0-21swapper/107:26:051
2628599260,25cyclictest0-21swapper/211:28:012
2628599260,25cyclictest0-21swapper/210:23:032
26280992618,8cyclictest0-21swapper/110:32:511
26280992618,7cyclictest0-21swapper/112:31:561
26280992618,7cyclictest0-21swapper/111:30:011
26280992618,7cyclictest0-21swapper/110:57:331
26280992618,7cyclictest0-21swapper/110:20:221
2628099260,26cyclictest0-21swapper/112:18:441
2628099260,26cyclictest0-21swapper/107:56:561
2628099260,25cyclictest0-21swapper/111:35:551
2628099260,25cyclictest0-21swapper/111:23:221
2628099260,20cyclictest0-21swapper/107:52:321
2628599250,24cyclictest0-21swapper/211:59:532
2628599250,24cyclictest0-21swapper/208:12:112
26280992518,7cyclictest0-21swapper/111:40:321
26280992518,7cyclictest0-21swapper/110:28:301
26280992518,7cyclictest0-21swapper/110:02:061
26280992518,7cyclictest0-21swapper/109:30:061
26280992518,7cyclictest0-21swapper/109:30:061
26280992518,7cyclictest0-21swapper/109:17:571
26280992518,7cyclictest0-21swapper/109:14:331
26280992518,7cyclictest0-21swapper/108:45:351
26280992518,7cyclictest0-21swapper/107:49:041
26280992517,8cyclictest0-21swapper/109:44:011
2628099250,25cyclictest0-21swapper/109:50:391
2628099250,24cyclictest0-21swapper/111:02:521
2628099250,24cyclictest0-21swapper/110:52:331
2628099250,24cyclictest0-21swapper/109:21:511
154412258,15sleep30-21swapper/308:23:383
26285992420,3cyclictest0-21swapper/209:10:482
26280992417,7cyclictest0-21swapper/112:02:371
2628099240,23cyclictest0-21swapper/108:25:041
2628099240,23cyclictest0-21swapper/107:15:531
26285992321,2cyclictest0-21swapper/211:36:552
2628599231,3cyclictest0-21swapper/210:13:452
2628599231,3cyclictest0-21swapper/208:16:492
26280992319,3cyclictest0-21swapper/111:29:081
2628099230,22cyclictest0-21swapper/111:19:521
26285992218,3cyclictest0-21swapper/209:09:092
2628599221,20cyclictest0-21swapper/212:03:552
2628599221,20cyclictest0-21swapper/207:21:502
2628599220,21cyclictest0-21swapper/208:26:232
2628599220,21cyclictest0-21swapper/207:58:022
2628099220,21cyclictest0-21swapper/112:27:341
2628099220,21cyclictest0-21swapper/111:10:271
2628099220,21cyclictest0-21swapper/110:13:181
2628099220,21cyclictest0-21swapper/109:56:031
2627399220,21cyclictest0-21swapper/010:30:430
2628599217,8cyclictest13096-21/usr/sbin/munin07:25:202
2628599217,13cyclictest0-21swapper/210:50:182
26285992119,1cyclictest749-21snmpd09:27:032
26285992116,4cyclictest0-21swapper/207:51:052
2628599211,3cyclictest0-21swapper/208:38:352
2628599210,20cyclictest0-21swapper/209:57:512
26280992118,3cyclictest0-21swapper/108:50:051
2628099210,3cyclictest0-21swapper/108:12:531
2628099210,21cyclictest0-21swapper/107:30:291
2628099210,20cyclictest0-21swapper/111:50:201
2628099210,20cyclictest0-21swapper/111:45:161
2628099210,20cyclictest0-21swapper/111:08:421
2628099210,20cyclictest0-21swapper/110:48:131
2628099210,20cyclictest0-21swapper/110:35:331
2628099210,20cyclictest0-21swapper/109:35:061
2628099210,20cyclictest0-21swapper/108:32:441
2628099210,20cyclictest0-21swapper/108:08:441
2628099210,20cyclictest0-21swapper/107:36:201
2628099210,20cyclictest0-21swapper/107:21:281
2628099210,20cyclictest0-21swapper/107:14:561
26273992118,2cyclictest749-21snmpd10:20:390
26273992118,2cyclictest749-21snmpd09:36:540
26273992118,2cyclictest749-21snmpd08:47:500
26273992118,2cyclictest749-21snmpd07:51:320
26273992117,2cyclictest749-21snmpd10:13:330
2627399210,20cyclictest0-21swapper/012:30:200
2627399210,20cyclictest0-21swapper/010:38:570
2627399210,20cyclictest0-21swapper/010:06:280
2627399210,20cyclictest0-21swapper/009:00:160
26285992018,1cyclictest749-21snmpd12:13:042
26285992018,1cyclictest749-21snmpd11:32:042
26285992018,1cyclictest749-21snmpd11:24:582
26285992018,1cyclictest749-21snmpd10:42:242
26285992018,1cyclictest749-21snmpd10:15:092
26285992018,1cyclictest749-21snmpd09:48:452
26285992018,1cyclictest749-21snmpd09:34:422
26285992018,1cyclictest749-21snmpd09:34:422
26285992018,1cyclictest749-21snmpd08:53:092
26285992018,1cyclictest749-21snmpd08:34:322
26285992018,1cyclictest749-21snmpd07:45:022
26285992018,1cyclictest749-21snmpd07:42:202
2628599200,20cyclictest0-21swapper/211:08:092
2628599200,19cyclictest0-21swapper/211:45:222
2628599200,19cyclictest0-21swapper/210:06:172
26280992018,2cyclictest0-21swapper/112:20:321
26280992018,2cyclictest0-21swapper/112:11:041
26280992018,2cyclictest0-21swapper/112:08:231
2628099200,20cyclictest0-21swapper/109:06:451
2628099200,20cyclictest0-21swapper/108:00:071
2628099200,19cyclictest0-21swapper/110:43:001
26273992018,1cyclictest749-21snmpd10:50:480
26273992018,1cyclictest749-21snmpd08:56:060
26273992018,1cyclictest749-21snmpd08:35:410
26273992018,1cyclictest749-21snmpd08:17:440
26273992018,1cyclictest749-21snmpd07:59:530
26273992018,1cyclictest749-21snmpd07:23:310
26285991918,1cyclictest0-21swapper/212:22:592
26285991917,2cyclictest0-21swapper/211:41:052
26285991917,2cyclictest0-21swapper/210:01:062
26285991917,1cyclictest749-21snmpd12:35:232
26285991917,1cyclictest749-21snmpd12:25:312
26285991917,1cyclictest749-21snmpd12:19:222
26285991917,1cyclictest749-21snmpd11:50:582
26285991917,1cyclictest749-21snmpd10:31:242
26285991917,1cyclictest749-21snmpd09:41:542
26285991917,1cyclictest749-21snmpd09:39:212
26285991917,1cyclictest749-21snmpd08:43:022
26285991917,1cyclictest749-21snmpd08:05:352
26285991917,1cyclictest749-21snmpd08:01:082
26285991916,2cyclictest0-21swapper/210:56:152
2628599191,17cyclictest0-21swapper/210:37:302
2628599190,3cyclictest0-21swapper/209:52:482
2628099190,18cyclictest0-21swapper/108:42:591
26273991917,1cyclictest749-21snmpd12:23:220
26273991917,1cyclictest749-21snmpd12:19:200
26273991917,1cyclictest749-21snmpd12:05:550
26273991917,1cyclictest749-21snmpd11:44:550
26273991917,1cyclictest749-21snmpd11:37:590
26273991917,1cyclictest749-21snmpd11:24:520
26273991917,1cyclictest749-21snmpd10:48:520
26273991917,1cyclictest749-21snmpd10:18:510
26273991917,1cyclictest749-21snmpd08:50:540
26273991917,1cyclictest749-21snmpd08:43:410
26273991916,2cyclictest749-21snmpd11:52:020
2628599182,15cyclictest0-21swapper/212:30:232
2628599182,15cyclictest0-21swapper/207:35:262
26285991816,2cyclictest0-21swapper/207:31:112
26285991816,1cyclictest749-21snmpd12:07:322
26285991816,1cyclictest749-21snmpd08:59:212
26285991815,2cyclictest749-21snmpd07:12:022
26285991814,3cyclictest0-21swapper/209:22:152
26280991816,2cyclictest0-21swapper/108:58:121
2628099180,17cyclictest0-21swapper/110:09:391
26273991816,1cyclictest749-21snmpd12:36:280
26273991816,1cyclictest749-21snmpd12:13:160
26273991816,1cyclictest749-21snmpd11:56:490
26273991816,1cyclictest749-21snmpd11:47:370
26273991816,1cyclictest749-21snmpd11:27:350
26273991816,1cyclictest749-21snmpd11:00:030
26273991816,1cyclictest749-21snmpd10:55:520
26273991816,1cyclictest749-21snmpd10:03:090
26273991816,1cyclictest749-21snmpd09:58:330
26273991816,1cyclictest749-21snmpd09:45:540
26273991816,1cyclictest749-21snmpd09:42:090
26273991816,1cyclictest749-21snmpd09:18:390
26273991816,1cyclictest749-21snmpd09:13:360
26273991816,1cyclictest749-21snmpd08:31:470
26273991816,1cyclictest749-21snmpd08:24:590
26273991816,1cyclictest749-21snmpd08:00:350
26273991816,1cyclictest749-21snmpd07:45:370
26273991815,2cyclictest749-21snmpd10:44:270
26273991815,2cyclictest749-21snmpd07:27:470
26273991814,2cyclictest749-21snmpd11:15:040
316352178,3sleep30-21swapper/307:12:463
26285991715,1cyclictest749-21snmpd08:48:112
2628599171,15cyclictest0-21swapper/210:26:152
2628099170,16cyclictest0-21swapper/109:00:251
2628099170,11cyclictest0-21swapper/108:16:121
26273991715,1cyclictest749-21snmpd12:01:230
26273991715,1cyclictest749-21snmpd11:06:240
26273991715,1cyclictest749-21snmpd09:34:280
26273991715,1cyclictest749-21snmpd09:34:270
26273991715,1cyclictest749-21snmpd09:21:480
26273991715,1cyclictest749-21snmpd08:25:080
26273991715,1cyclictest749-21snmpd08:14:280
26273991715,1cyclictest749-21snmpd07:11:520
200382178,3sleep30-21swapper/309:51:563
79552166,3sleep30-21swapper/311:07:183
2628599162,13cyclictest0-21swapper/209:00:162
2628599160,10cyclictest0-21swapper/211:00:312
2628099160,15cyclictest0-21swapper/109:29:481
2628099160,15cyclictest0-21swapper/108:36:081
26273991614,1cyclictest749-21snmpd11:10:310
26273991614,1cyclictest749-21snmpd10:25:330
26273991614,1cyclictest749-21snmpd09:54:270
26273991614,1cyclictest749-21snmpd08:08:080
26273991614,1cyclictest749-21snmpd07:35:170
3144921510,3sleep30-21swapper/310:04:263
26273991511,2cyclictest749-21snmpd09:07:120
2373121510,3sleep30-21swapper/307:30:283
85721410,3sleep30-21swapper/310:34:173
691921410,3sleep30-21swapper/307:16:013
690221410,3sleep30-21swapper/309:11:563
576521410,3sleep30-21swapper/308:43:043
483021410,3sleep30-21swapper/312:02:193
3102921410,3sleep30-21swapper/308:08:003
3050221410,3sleep30-21swapper/311:29:003
294932149,3sleep30-21swapper/307:37:253
272942144,3sleep30-21swapper/310:28:253
2667021410,3sleep30-21swapper/308:34:063
2649121410,3sleep30-21swapper/311:55:083
26273991411,2cyclictest3813-21sadc11:35:000
2473621410,3sleep30-21swapper/311:21:473
1711421410,3sleep30-21swapper/308:54:463
1578421410,3sleep30-21swapper/308:25:103
1279721410,3sleep30-21swapper/307:24:153
122092143,3sleep30-21swapper/310:41:263
1037721410,3sleep30-21swapper/312:06:483
97602139,3sleep30-21swapper/308:17:423
9322139,3sleep30-21swapper/312:29:553
88882139,3sleep30-21swapper/309:42:153
85292138,3sleep30-21swapper/307:47:063
63622139,3sleep30-21swapper/312:32:233
63622139,3sleep30-21swapper/310:37:303
45782139,3sleep30-21swapper/310:08:543
35432139,3sleep30-21swapper/311:32:293
32412139,3sleep30-21swapper/309:36:473
300942131,3sleep30-21swapper/309:33:063
300942131,3sleep30-21swapper/309:33:063
292412139,3sleep30-21swapper/310:58:083
257082139,3sleep30-21swapper/309:57:573
234772139,3sleep30-21swapper/310:50:563
223742139,3sleep30-21swapper/308:55:303
218202139,3sleep30-21swapper/312:19:573
204062139,3sleep30-21swapper/311:46:553
198422139,3sleep30-21swapper/307:58:473
190782139,3sleep30-21swapper/311:16:193
184522139,3sleep30-21swapper/307:29:433
160482139,3sleep30-21swapper/312:13:023
148392139,3sleep30-21swapper/311:42:263
143772139,3sleep30-21swapper/309:46:003
142742139,3sleep30-21swapper/307:54:023
13312139,3sleep30-21swapper/309:07:113
128662138,3sleep30-21swapper/309:17:363
119692139,3sleep30-21swapper/312:36:523
111892139,3sleep30-21swapper/308:45:333
101032138,3sleep30-21swapper/310:13:073
325072128,3sleep30-21swapper/308:37:483
296422129,3sleep30-21swapper/311:00:083
280862128,3sleep30-21swapper/309:01:273
271482129,2sleep30-21swapper/312:20:593
259282128,3sleep30-21swapper/311:50:503
254642127,3sleep30-21swapper/308:03:283
185662126,3sleep30-21swapper/309:23:053
178602127,3sleep30-21swapper/310:46:273
164002128,3sleep30-21swapper/310:20:043
155572128,3sleep30-21swapper/310:16:193
136322128,3sleep30-21swapper/311:13:183
91302117,3sleep30-21swapper/311:36:083
41992117,3sleep30-21swapper/308:13:093
30382117,3sleep30-21swapper/307:43:223
2627399118,2cyclictest749-21snmpd09:26:120
2627399118,2cyclictest749-21snmpd07:41:500
2627399110,10cyclictest0-21swapper/007:15:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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