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2026-09-20 - 18:46
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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 376 highest latencies:
System rack5slot4.osadl.org (updated Sun Sep 20, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20132210696,7sleep00-21swapper/007:05:500
20339210595,7sleep10-21swapper/107:08:311
20263210595,7sleep20-21swapper/207:07:312
20331210495,6sleep30-21swapper/307:08:243
4102990,0sleep2409-21ssh12:38:192
31252960,0sleep13124-21ssh11:01:361
107392670,0sleep10-21swapper/109:55:191
107392670,0sleep10-21swapper/109:55:181
93282650,0sleep30-21swapper/309:27:573
273302580,0sleep10-21swapper/110:45:171
35442560,0sleep03542-21ssh10:06:030
305672550,0sleep30-21swapper/309:23:363
33142540,0sleep229-21rcuc/209:53:002
220442530,0sleep322045-21kthreadcore11:10:193
159112530,0sleep30-21swapper/307:30:193
139742530,0sleep013977-21kthreadcore12:30:200
106312530,0sleep00-21swapper/011:45:570
66332470,0sleep30-21swapper/311:59:503
189972410,0sleep10-21swapper/109:18:451
2061499320,5cyclictest24344-21kworker/0:011:14:330
20614992915,13cyclictest0-21swapper/009:40:160
2061499290,4cyclictest0-21swapper/012:10:060
20624992824,3cyclictest0-21swapper/212:24:392
2062499280,27cyclictest0-21swapper/210:00:132
2061499283,3cyclictest0-21swapper/012:15:150
20614992814,11cyclictest0-21swapper/011:34:120
2061499280,19cyclictest0-21swapper/010:53:470
2061499280,16cyclictest0-21swapper/012:25:510
2061499280,16cyclictest0-21swapper/011:51:260
2062499273,22cyclictest0-21swapper/210:34:132
2062499270,26cyclictest0-21swapper/212:04:452
2062499270,26cyclictest0-21swapper/210:43:232
2061899270,26cyclictest0-21swapper/112:01:301
2061899270,26cyclictest0-21swapper/111:06:261
2061899270,26cyclictest0-21swapper/108:42:181
2061899270,26cyclictest0-21swapper/108:00:021
2061499270,26cyclictest0-21swapper/009:56:560
2061499270,26cyclictest0-21swapper/009:56:550
2061499270,14cyclictest0-21swapper/009:47:250
2062499260,25cyclictest23546-21ssh09:47:372
2062499260,25cyclictest0-21swapper/210:45:172
2062499260,24cyclictest31013-21ssh09:36:312
2061899269,16cyclictest0-21swapper/109:47:221
20618992623,3cyclictest0-21swapper/111:45:001
2061899260,25cyclictest0-21swapper/108:09:061
2061499266,19cyclictest0-21swapper/008:55:170
20614992618,7cyclictest762-21snmpd07:19:300
20614992616,9cyclictest0-21swapper/012:39:180
20614992615,8cyclictest762-21snmpd12:01:120
2061499261,21cyclictest0-21swapper/011:20:100
2061499260,1cyclictest0-21swapper/011:06:500
20624992522,2cyclictest0-21swapper/212:26:392
20624992517,7cyclictest0-21swapper/210:25:222
2062499250,24cyclictest0-21swapper/211:56:152
2062499250,24cyclictest0-21swapper/208:54:452
2062499250,24cyclictest0-21swapper/207:58:422
2062499250,18cyclictest0-21swapper/211:10:462
20618992523,2cyclictest0-21swapper/109:24:031
20618992522,2cyclictest0-21swapper/107:39:051
20618992521,3cyclictest0-21swapper/107:48:021
20614992517,5cyclictest762-21snmpd07:48:470
20614992515,6cyclictest762-21snmpd10:40:050
2061499250,22cyclictest0-21swapper/012:20:590
20624992422,2cyclictest0-21swapper/209:12:072
2062499240,23cyclictest0-21swapper/210:52:092
2062499240,23cyclictest0-21swapper/210:10:492
2062499240,22cyclictest0-21swapper/209:27:532
20618992417,7cyclictest0-21swapper/108:56:541
20618992416,7cyclictest0-21swapper/111:54:281
20618992415,8cyclictest0-21swapper/112:26:591
20618992415,8cyclictest0-21swapper/111:37:111
2061899240,23cyclictest0-21swapper/111:33:091
2061899240,18cyclictest0-21swapper/110:35:441
2061899240,18cyclictest0-21swapper/109:11:461
2061899240,17cyclictest0-21swapper/111:20:241
2061499243,18cyclictest0-21swapper/009:53:250
20614992417,6cyclictest762-21snmpd09:32:030
20614992417,6cyclictest762-21snmpd07:26:330
20614992417,5cyclictest0-21swapper/011:42:290
20614992416,7cyclictest762-21snmpd09:37:240
20614992416,7cyclictest762-21snmpd08:28:210
20614992416,7cyclictest762-21snmpd07:53:450
20614992416,4cyclictest762-21snmpd10:33:580
2061499241,19cyclictest0-21swapper/010:55:210
2061499241,19cyclictest0-21swapper/009:25:210
2061499240,22cyclictest0-21swapper/010:19:100
2061499240,20cyclictest0-21swapper/010:01:510
2061499240,20cyclictest0-21swapper/009:19:390
2061499240,12cyclictest27437-21taskset09:21:130
209842230,0sleep20-21swapper/208:30:202
2062499239,13cyclictest0-21swapper/212:34:182
2062499232,20cyclictest0-21swapper/209:17:112
2062499231,21cyclictest0-21swapper/212:15:522
2062499230,22cyclictest0-21swapper/210:21:502
2062499230,22cyclictest0-21swapper/209:24:282
2062499230,22cyclictest0-21swapper/208:55:062
20618992320,3cyclictest0-21swapper/107:52:031
20618992315,7cyclictest0-21swapper/109:34:301
2061899230,23cyclictest0-21swapper/107:22:081
2061899230,22cyclictest0-21swapper/111:25:231
2061899230,22cyclictest0-21swapper/110:34:231
2061899230,22cyclictest0-21swapper/110:08:271
2061899230,17cyclictest0-21swapper/112:16:071
2061899230,17cyclictest0-21swapper/111:49:431
2061899230,17cyclictest0-21swapper/110:11:491
2061899230,17cyclictest0-21swapper/109:25:341
2061499232,17cyclictest0-21swapper/011:28:050
20614992317,5cyclictest762-21snmpd11:19:380
20614992316,6cyclictest762-21snmpd09:02:300
20614992312,10cyclictest53250irq/24-enp1s009:10:580
2061499230,8cyclictest0-21swapper/011:02:210
2061499230,22cyclictest0-21swapper/011:36:580
2061499230,22cyclictest0-21swapper/010:22:220
2061499230,22cyclictest0-21swapper/007:31:120
2061499230,20cyclictest0-21swapper/012:06:100
2061499230,20cyclictest0-21swapper/010:28:050
2061499230,19cyclictest0-21swapper/010:45:070
2062499222,19cyclictest0-21swapper/209:32:042
2062499221,20cyclictest0-21swapper/211:27:432
2062499220,21cyclictest0-21swapper/211:54:572
2062499220,21cyclictest0-21swapper/211:43:152
2062499220,21cyclictest0-21swapper/211:38:282
2062499220,21cyclictest0-21swapper/211:22:192
2062499220,21cyclictest0-21swapper/210:59:362
2062499220,20cyclictest0-21swapper/211:15:592
2062499220,16cyclictest0-21swapper/210:35:152
2062499220,16cyclictest0-21swapper/209:44:112
2061899229,12cyclictest0-21swapper/112:35:401
2061899226,14cyclictest0-21swapper/111:15:181
20618992220,2cyclictest0-21swapper/112:09:001
20618992213,8cyclictest0-21swapper/109:51:561
2061899221,15cyclictest0-21swapper/110:56:491
2061899220,22cyclictest0-21swapper/108:16:381
2061899220,21cyclictest0-21swapper/112:32:441
2061899220,21cyclictest0-21swapper/112:13:421
2061899220,21cyclictest0-21swapper/111:55:221
2061899220,21cyclictest0-21swapper/111:12:131
2061899220,21cyclictest0-21swapper/110:50:591
2061899220,21cyclictest0-21swapper/110:44:041
2061899220,21cyclictest0-21swapper/110:25:561
2061899220,21cyclictest0-21swapper/110:17:041
2061899220,21cyclictest0-21swapper/110:02:041
2061899220,21cyclictest0-21swapper/109:37:391
2061899220,16cyclictest0-21swapper/109:40:321
20614992215,6cyclictest762-21snmpd08:14:440
20614992215,6cyclictest762-21snmpd07:38:390
20614992215,6cyclictest762-21snmpd07:10:170
20614992214,7cyclictest762-21snmpd10:11:040
20614992213,8cyclictest0-21swapper/010:36:510
2061499220,21cyclictest0-21swapper/011:55:540
2061499220,11cyclictest0-21swapper/008:50:210
20624992118,3cyclictest0-21swapper/207:36:112
20624992118,3cyclictest0-21swapper/207:26:472
20624992118,2cyclictest762-21snmpd07:30:452
20624992117,3cyclictest0-21swapper/208:35:172
20624992117,3cyclictest0-21swapper/208:18:322
20624992117,3cyclictest0-21swapper/208:00:442
2062499210,2cyclictest29722-21ssh12:09:352
2062499210,20cyclictest0-21swapper/211:48:112
2062499210,20cyclictest0-21swapper/211:08:252
2062499210,20cyclictest0-21swapper/210:16:072
2062499210,20cyclictest0-21swapper/209:04:042
2062499210,20cyclictest0-21swapper/208:47:372
2062499210,20cyclictest0-21swapper/207:15:032
2062499210,16cyclictest0-21swapper/211:34:322
20618992117,3cyclictest0-21swapper/108:20:221
20618992114,7cyclictest0-21swapper/107:25:421
2061899210,2cyclictest0-21swapper/108:51:181
2061899210,2cyclictest0-21swapper/107:15:301
2061899210,20cyclictest0-21swapper/110:20:171
2061899210,20cyclictest0-21swapper/108:36:391
2061899210,20cyclictest0-21swapper/108:29:211
2061899210,20cyclictest0-21swapper/107:12:511
2061899210,15cyclictest0-21swapper/112:24:241
20614992116,4cyclictest762-21snmpd08:17:180
20614992115,5cyclictest762-21snmpd08:31:190
20614992114,6cyclictest762-21snmpd07:43:510
20614992114,6cyclictest762-21snmpd07:24:590
20614992113,1cyclictest762-21snmpd08:41:090
20614992113,1cyclictest762-21snmpd08:38:480
2061499211,15cyclictest0-21swapper/008:49:410
115462210,0sleep20-21swapper/209:55:232
115462210,0sleep20-21swapper/209:55:232
20624992018,2cyclictest0-21swapper/207:10:092
20624992018,1cyclictest762-21snmpd09:06:452
20624992018,1cyclictest762-21snmpd08:21:012
20624992017,2cyclictest762-21snmpd12:10:122
2062499200,19cyclictest0-21swapper/210:05:422
2062499200,15cyclictest0-21swapper/211:00:372
2061899200,3cyclictest0-21swapper/107:40:331
2061499206,7cyclictest15103-21/usr/sbin/munin08:00:190
20614992018,1cyclictest762-21snmpd08:24:400
20624991917,1cyclictest762-21snmpd08:43:302
20624991917,1cyclictest762-21snmpd08:25:062
20624991917,1cyclictest762-21snmpd08:12:482
2061899190,19cyclictest0-21swapper/107:34:001
20624991816,1cyclictest762-21snmpd07:51:352
20624991816,1cyclictest762-21snmpd07:20:332
20614991816,1cyclictest762-21snmpd09:06:360
20624991715,1cyclictest762-21snmpd07:48:122
20624991715,1cyclictest762-21snmpd07:42:122
20618991715,2cyclictest0-21swapper/109:04:361
20618991715,2cyclictest0-21swapper/108:46:371
20618991715,2cyclictest0-21swapper/108:10:021
2061499170,11cyclictest0-21swapper/007:55:000
2062499160,15cyclictest0-21swapper/208:05:162
2061899162,13cyclictest0-21swapper/107:55:151
20618991614,2cyclictest0-21swapper/108:34:071
2061899160,15cyclictest0-21swapper/109:05:271
6162140,0sleep30-21swapper/310:05:183
174522140,4sleep30-21swapper/310:25:433
2061499130,8cyclictest0-21swapper/008:05:130
195992131,3sleep30-21swapper/312:32:003
1468821311,1sleep3762-21snmpd07:58:033
14892120,3sleep30-21swapper/312:39:093
43622110,3sleep30-21swapper/309:53:493
169212110,2sleep30-21swapper/309:59:303
169212110,2sleep30-21swapper/309:59:303
293252100,3sleep30-21swapper/309:08:073
272442100,2sleep30-21swapper/312:07:403
220922100,2sleep30-21swapper/311:37:443
4280292,4sleep30-21swapper/309:11:313
3937290,6sleep30-21swapper/311:02:153
28552292,4sleep30-21swapper/311:25:543
27863292,4sleep30-21swapper/312:21:133
25707291,5sleep30-21swapper/310:15:243
25263292,4sleep30-21swapper/311:53:223
2483290,1sleep30-21swapper/308:45:163
24505290,2sleep30-21swapper/307:38:163
18688290,1sleep30-21swapper/309:18:323
1558290,2sleep30-21swapper/307:19:383
14607290,5sleep30-21swapper/311:06:273
12776292,4sleep30-21swapper/311:47:413
11969292,4sleep30-21swapper/310:51:263
1076291,5sleep30-21swapper/310:20:173
9950281,4sleep30-21swapper/309:41:123
9842282,3sleep30-21swapper/310:36:473
7232280,2sleep30-21swapper/307:21:073
6819282,3sleep30-21swapper/312:26:033
4995282,3sleep30-21swapper/311:16:013
4258280,5sleep30-21swapper/312:10:573
4117280,1sleep30-21swapper/307:50:123
32129282,3sleep30-21swapper/310:45:573
31128281,4sleep30-21swapper/311:40:403
30286282,3sleep30-21swapper/310:31:353
28745282,3sleep30-21swapper/308:40:153
26374280,2sleep30-21swapper/308:09:163
24452282,3sleep30-21swapper/310:01:153
23980282,3sleep30-21swapper/309:35:023
23888282,3sleep30-21swapper/310:56:383
22323281,4sleep30-21swapper/310:42:243
22118281,4sleep30-21swapper/309:46:323
20744281,4sleep30-21swapper/311:24:103
19203282,3sleep30-21swapper/309:31:303
18266282,3sleep30-21swapper/312:17:503
17134282,3sleep30-21swapper/310:12:323
13859282,3sleep30-21swapper/312:01:193
13209280,2sleep30-21swapper/307:29:593
10462282,3sleep30-21swapper/311:32:593
4706272,3sleep30-21swapper/308:15:243
11244270,4sleep30-21swapper/308:25:153
7018260,2sleep30-21swapper/308:50:023
6644260,1sleep338-21rcuc/308:20:173
27106260,3sleep30-21swapper/308:10:173
26116261,3sleep30-21swapper/307:14:063
25016260,3sleep30-21swapper/307:40:123
24796260,3sleep30-21swapper/308:35:203
23727260,2sleep30-21swapper/309:03:193
19688260,3sleep30-21swapper/308:00:243
17940260,4sleep30-21swapper/308:30:183
12851262,3sleep30-21swapper/308:55:093
30599251,2sleep30-21swapper/307:45:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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