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2025-12-01 - 00:46
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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 Nov 30, 2025 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28517214180,7sleep00-21swapper/007:06:130
28576212462,7sleep20-21swapper/207:06:592
2797121200,2sleep30-21swapper/307:05:233
28759211676,7sleep10-21swapper/107:09:231
208632700,1sleep30-21swapper/310:35:273
305132670,0sleep30-21swapper/309:35:193
100982590,1sleep00-21swapper/009:05:190
237562570,1sleep30-21swapper/309:31:143
220282570,0sleep00-21swapper/009:30:190
180222550,0sleep00-21swapper/010:19:490
105042550,0sleep00-21swapper/009:25:180
52862540,0sleep20-21swapper/211:04:062
28984992813,10cyclictest0-21swapper/111:59:031
2898499281,26cyclictest0-21swapper/107:58:541
2898899271,24cyclictest5404-21munin-run09:05:012
2898899270,26cyclictest0-21swapper/211:49:332
2898899270,26cyclictest0-21swapper/207:55:332
2898899270,25cyclictest27400-21ls12:05:002
2898499270,26cyclictest0-21swapper/111:11:201
2898499270,26cyclictest0-21swapper/108:55:571
2898499270,26cyclictest0-21swapper/108:50:061
2898499270,26cyclictest0-21swapper/108:32:291
2898499270,26cyclictest0-21swapper/108:25:241
2898499270,26cyclictest0-21swapper/108:04:021
2898499270,26cyclictest0-21swapper/107:37:111
2898499270,26cyclictest0-21swapper/107:29:111
2898099270,26cyclictest0-21swapper/011:44:420
2898099270,26cyclictest0-21swapper/011:27:150
2898099270,26cyclictest0-21swapper/010:05:430
2898899260,25cyclictest0-21swapper/210:45:322
2898899260,24cyclictest4422-21ssh11:53:112
2898499260,25cyclictest0-21swapper/112:38:131
2898499260,25cyclictest0-21swapper/111:34:361
2898499260,25cyclictest0-21swapper/110:48:051
2898499260,25cyclictest0-21swapper/109:32:311
2898499260,25cyclictest0-21swapper/109:05:551
2898499260,25cyclictest0-21swapper/108:48:421
2898499260,25cyclictest0-21swapper/108:43:301
2898499260,25cyclictest0-21swapper/108:14:391
2898499260,25cyclictest0-21swapper/107:30:211
2898499260,25cyclictest0-21swapper/107:11:211
2898499260,24cyclictest0-21swapper/110:26:121
2898099260,25cyclictest0-21swapper/011:39:060
2898499250,24cyclictest0-21swapper/109:53:421
2898499250,24cyclictest0-21swapper/107:51:501
2898099250,24cyclictest0-21swapper/009:36:420
54212240,1sleep20-21swapper/208:10:152
2898899242,21cyclictest0-21swapper/211:09:272
2898899240,3cyclictest0-21swapper/208:17:002
2898899240,23cyclictest0-21swapper/211:23:202
2898499247,16cyclictest0-21swapper/112:31:161
2898499241,22cyclictest0-21swapper/110:32:521
2898499240,23cyclictest32006-21ssh10:42:291
2898499240,23cyclictest0-21swapper/112:29:541
2898499240,23cyclictest0-21swapper/110:52:051
2898499240,18cyclictest0-21swapper/111:26:051
2898499240,18cyclictest0-21swapper/109:44:181
28980992415,8cyclictest0-21swapper/009:42:350
769422319,3sleep30-21swapper/307:42:533
28988992316,6cyclictest0-21swapper/211:43:322
28988992316,6cyclictest0-21swapper/210:35:272
2898899231,21cyclictest0-21swapper/210:50:322
2898899230,17cyclictest0-21swapper/211:27:362
2898899230,17cyclictest0-21swapper/209:08:092
2898499238,14cyclictest0-21swapper/109:35:151
28984992314,8cyclictest0-21swapper/110:09:381
2898499231,21cyclictest0-21swapper/110:23:171
2898499231,16cyclictest0-21swapper/112:03:171
2898499230,22cyclictest0-21swapper/112:07:311
2898499230,22cyclictest0-21swapper/112:07:311
2898499230,22cyclictest0-21swapper/111:50:011
2898499230,22cyclictest0-21swapper/111:44:341
2898499230,22cyclictest0-21swapper/111:04:371
2898499230,22cyclictest0-21swapper/110:35:301
2898499230,22cyclictest0-21swapper/109:29:131
2898499230,22cyclictest0-21swapper/108:16:471
2898499230,17cyclictest0-21swapper/112:18:421
2898099232,20cyclictest0-21swapper/009:51:380
28980992316,7cyclictest0-21swapper/010:03:220
2898099230,22cyclictest0-21swapper/010:39:090
2898099230,22cyclictest0-21swapper/009:20:350
2898099230,22cyclictest0-21swapper/009:15:520
2898899222,19cyclictest0-21swapper/209:22:382
28988992220,2cyclictest0-21swapper/210:22:322
28988992215,6cyclictest0-21swapper/211:15:272
28988992215,6cyclictest0-21swapper/210:42:282
28988992214,6cyclictest0-21swapper/212:39:502
28988992213,8cyclictest0-21swapper/209:17:442
2898899221,20cyclictest0-21swapper/212:25:072
2898899220,4cyclictest0-21swapper/210:03:422
2898899220,21cyclictest0-21swapper/212:34:482
2898899220,21cyclictest0-21swapper/211:39:392
2898899220,21cyclictest0-21swapper/210:30:522
2898899220,21cyclictest0-21swapper/210:09:542
2898899220,21cyclictest0-21swapper/209:58:042
2898899220,21cyclictest0-21swapper/209:51:062
2898899220,21cyclictest0-21swapper/209:41:132
2898899220,20cyclictest11450-21ssh12:10:332
2898499221,20cyclictest0-21swapper/111:46:151
2898499220,21cyclictest0-21swapper/112:22:051
2898499220,21cyclictest0-21swapper/112:13:041
2898499220,21cyclictest0-21swapper/111:38:141
2898499220,21cyclictest0-21swapper/111:23:111
2898499220,21cyclictest0-21swapper/109:45:041
2898499220,21cyclictest0-21swapper/109:24:091
2898499220,21cyclictest0-21swapper/107:48:391
2898499220,21cyclictest0-21swapper/107:43:081
2898499220,21cyclictest0-21swapper/107:24:121
2898499220,21cyclictest0-21swapper/107:17:381
2898499220,20cyclictest0-21swapper/111:09:381
2898499220,20cyclictest0-21swapper/110:55:181
2898499220,16cyclictest0-21swapper/110:14:271
2898499220,16cyclictest0-21swapper/110:00:501
28980992215,4cyclictest9006-21ssh10:47:490
28980992214,7cyclictest0-21swapper/009:57:400
2898099221,20cyclictest0-21swapper/011:33:270
2898099221,15cyclictest0-21swapper/010:30:240
2898099220,21cyclictest0-21swapper/012:26:480
2898099220,21cyclictest0-21swapper/012:22:360
2898099220,21cyclictest0-21swapper/012:19:270
2898099220,21cyclictest0-21swapper/011:54:270
2898099220,21cyclictest0-21swapper/011:00:360
2898099220,21cyclictest0-21swapper/010:41:250
2898099220,21cyclictest0-21swapper/010:10:370
2898099220,21cyclictest0-21swapper/009:46:120
2898099220,21cyclictest0-21swapper/009:13:130
2898099220,20cyclictest22149-21kworker/0:012:31:220
13262220,0sleep30-21swapper/312:05:523
13262220,0sleep30-21swapper/312:05:523
403222117,3sleep30-21swapper/310:28:233
28988992117,3cyclictest0-21swapper/211:12:262
28988992117,2cyclictest2478-21sadc08:35:002
28988992114,6cyclictest0-21swapper/212:20:502
28988992113,1cyclictest0-21swapper/210:55:092
2898899210,20cyclictest0-21swapper/212:15:272
2898899210,20cyclictest0-21swapper/212:05:092
2898899210,20cyclictest0-21swapper/212:05:082
2898899210,20cyclictest0-21swapper/211:55:182
2898899210,20cyclictest0-21swapper/211:30:322
2898899210,20cyclictest0-21swapper/210:29:242
2898899210,20cyclictest0-21swapper/209:45:592
2898899210,20cyclictest0-21swapper/209:10:292
2898899210,20cyclictest0-21swapper/207:43:382
2898899210,15cyclictest0-21swapper/210:13:512
2898499210,2cyclictest0-21swapper/109:18:011
2898499210,20cyclictest0-21swapper/111:16:091
2898499210,20cyclictest0-21swapper/109:55:051
2898499210,20cyclictest0-21swapper/109:11:151
2898499210,20cyclictest0-21swapper/109:04:221
2898499210,20cyclictest0-21swapper/108:20:501
2898499210,20cyclictest0-21swapper/108:07:451
28980992114,7cyclictest0-21swapper/011:08:540
2898099210,20cyclictest0-21swapper/012:37:540
2898099210,20cyclictest0-21swapper/012:05:250
2898099210,20cyclictest0-21swapper/012:05:250
2898099210,20cyclictest0-21swapper/012:04:350
2898099210,20cyclictest0-21swapper/011:55:470
2898099210,20cyclictest0-21swapper/011:20:320
2898099210,20cyclictest0-21swapper/011:14:170
2898099210,20cyclictest0-21swapper/010:57:070
2898099210,20cyclictest0-21swapper/010:51:250
2898099210,20cyclictest0-21swapper/010:23:290
2898099210,16cyclictest0-21swapper/011:45:200
2898099210,15cyclictest0-21swapper/011:15:350
2898099210,15cyclictest0-21swapper/010:28:330
28988992018,2cyclictest0-21swapper/208:23:322
28988992018,1cyclictest10272-21snmpd08:55:282
28988992018,1cyclictest10272-21snmpd08:54:522
28988992018,1cyclictest10272-21snmpd08:26:092
28988992018,1cyclictest10272-21snmpd07:32:062
28988992018,1cyclictest10272-21snmpd07:24:572
28988992016,3cyclictest0-21swapper/208:35:152
28988992016,3cyclictest0-21swapper/207:46:272
28988992016,3cyclictest0-21swapper/207:15:052
2898899200,19cyclictest0-21swapper/207:50:262
2898899200,18cyclictest0-21swapper/210:19:432
2898499200,19cyclictest0-21swapper/110:17:101
2898499200,19cyclictest0-21swapper/108:37:301
28980992018,1cyclictest10272-21snmpd08:22:150
28980992018,1cyclictest10272-21snmpd08:06:540
28980992018,1cyclictest10272-21snmpd07:40:450
28980992018,1cyclictest10272-21snmpd07:10:090
2898099200,19cyclictest0-21swapper/008:40:140
2525122016,3sleep30-21swapper/307:56:503
2211022016,3sleep30-21swapper/307:26:483
119922200,0sleep30-21swapper/310:00:143
3268521913,3sleep30-21swapper/310:43:213
28988991917,2cyclictest0-21swapper/208:48:592
28988991917,1cyclictest10272-21snmpd08:05:142
28988991917,1cyclictest10272-21snmpd08:00:542
28988991912,6cyclictest0-21swapper/209:33:252
28988991911,7cyclictest0-21swapper/209:25:212
28980991917,1cyclictest10272-21snmpd08:55:480
28980991917,1cyclictest10272-21snmpd08:51:580
28980991917,1cyclictest10272-21snmpd08:36:090
28980991917,1cyclictest10272-21snmpd08:15:020
28980991917,1cyclictest10272-21snmpd07:34:150
28980991917,1cyclictest10272-21snmpd07:21:380
47992180,1sleep04802-21latency07:15:010
28988991816,1cyclictest10272-21snmpd09:38:192
28988991816,1cyclictest10272-21snmpd08:41:452
28988991816,1cyclictest10272-21snmpd07:26:562
28988991816,1cyclictest10272-21snmpd07:11:422
28980991816,1cyclictest10272-21snmpd09:03:250
28980991816,1cyclictest10272-21snmpd08:31:390
28980991816,1cyclictest10272-21snmpd08:10:090
28980991816,1cyclictest10272-21snmpd08:03:560
28980991816,1cyclictest10272-21snmpd07:47:270
28980991815,2cyclictest0-21swapper/007:26:320
2898099180,4cyclictest0-21swapper/012:12:520
2858221813,2sleep30-21swapper/310:58:433
1003521812,3sleep30-21swapper/309:58:223
28980991715,1cyclictest10272-21snmpd08:28:230
28980991715,1cyclictest10272-21snmpd07:37:350
2909921612,3sleep30-21swapper/307:10:103
2898099161,13cyclictest0-21swapper/008:45:230
2898099160,10cyclictest0-21swapper/007:55:210
301352152,3sleep30-21swapper/309:19:173
300122153,3sleep30-21swapper/311:00:033
28988991512,2cyclictest0-21swapper/207:38:152
208752159,3sleep30-21swapper/309:46:093
187072154,2sleep30-21swapper/311:27:063
14702159,3sleep30-21swapper/312:21:233
130922151,3sleep30-21swapper/312:12:103
92002140,4sleep30-21swapper/310:48:053
71512147,4sleep30-21swapper/310:13:213
307532141,4sleep30-21swapper/311:15:303
205102148,3sleep30-21swapper/309:14:253
169412141,4sleep30-21swapper/309:29:303
1641821410,3sleep30-21swapper/307:24:113
52302139,3sleep30-21swapper/309:02:583
28980991310,3cyclictest0-21swapper/007:53:090
286882139,3sleep30-21swapper/308:29:593
204262131,3sleep30-21swapper/308:50:023
199382131,3sleep30-21swapper/310:54:313
159452137,3sleep30-21swapper/311:10:053
147912130,3sleep30-21swapper/312:29:203
144582139,3sleep30-21swapper/311:08:373
129602131,3sleep30-21swapper/311:56:113
119152136,3sleep30-21swapper/309:42:043
110432139,3sleep30-21swapper/309:07:043
257442129,2sleep30-21swapper/308:00:043
247642126,3sleep30-21swapper/312:17:463
23512128,3sleep30-21swapper/308:33:363
19542120,3sleep30-21swapper/308:05:193
18452128,3sleep30-21swapper/307:39:453
141102128,3sleep30-21swapper/308:42:093
135112128,3sleep30-21swapper/307:47:103
58572115,3sleep30-21swapper/309:22:223
48972117,3sleep30-21swapper/307:15:093
4552117,3sleep30-21swapper/312:36:333
286402110,3sleep30-21swapper/311:32:283
257642115,3sleep30-21swapper/312:03:203
196202115,5sleep30-21swapper/307:54:593
143352115,3sleep30-21swapper/308:45:003
96232103,4sleep30-21swapper/311:22:593
81062103,3sleep30-21swapper/308:36:153
79272103,4sleep30-21swapper/311:40:123
314982103,4sleep30-21swapper/309:52:063
279932104,3sleep30-21swapper/310:06:073
272732104,3sleep30-21swapper/310:23:463
254732103,4sleep30-21swapper/312:34:373
154582104,3sleep30-21swapper/310:16:383
120402100,2sleep30-21swapper/310:31:363
104952105,3sleep30-21swapper/308:12:253
4238294,3sleep30-21swapper/311:35:533
31746295,3sleep30-21swapper/308:57:353
28203294,3sleep30-21swapper/307:34:483
23488290,2sleep30-21swapper/311:45:303
16840295,3sleep30-21swapper/308:20:013
10868293,3sleep30-21swapper/308:15:023
28298284,2sleep30-21swapper/311:50:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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