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2026-01-08 - 21:08
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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: performance
Characteristics of the 792 highest latencies:
System rackaslot0.osadl.org (updated Thu Jan 08, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192222890,0sleep11734-21runrttasks12:19:141
286062850,0sleep028602-21bash11:53:210
272822620,0sleep3381ktimersoftd/309:30:153
426526125,32sleep00-21swapper/007:07:180
273562610,1sleep227357-21sshd10:03:192
212682570,1sleep11734-21runrttasks09:56:451
150042570,6sleep230-21ksoftirqd/210:50:182
175572560,0sleep00-21swapper/007:30:200
221025526,9sleep10-21swapper/107:05:061
180132540,2sleep228-21rcuc/209:39:442
457525330,9sleep20-21swapper/207:09:322
430725128,19sleep30-21swapper/307:07:373
87642500,0sleep30-21swapper/310:21:553
239052490,0sleep10-21swapper/112:14:331
169152490,1sleep01734-21runrttasks09:50:180
257392480,0sleep10-21swapper/112:20:141
237682480,0sleep01734-21runrttasks11:41:230
11502470,0sleep30-21swapper/309:15:003
97542460,0sleep10-21swapper/109:32:451
291832450,0sleep10-21swapper/112:37:211
118882440,0sleep111891-21cpuspeed_turbos08:25:131
42002430,0sleep10-21swapper/111:32:391
490799252,8cyclictest10-21rcuc/010:33:410
4907992413,7cyclictest3188-21diskmemload09:19:210
4907992311,8cyclictest3188-21diskmemload10:02:410
490799224,12cyclictest3-21ksoftirqd/011:32:120
490799214,11cyclictest3-21ksoftirqd/010:37:350
4907992112,6cyclictest3188-21diskmemload10:13:450
4907992010,9cyclictest3188-21diskmemload11:29:490
4907992010,8cyclictest3188-21diskmemload09:22:530
4907991913,4cyclictest3188-21diskmemload10:06:490
490799190,10cyclictest0-21swapper/011:24:090
490799181,2cyclictest0-21swapper/009:03:420
4907991812,4cyclictest3188-21diskmemload11:57:020
490799181,1cyclictest0-21swapper/010:52:040
490799180,2cyclictest3188-21diskmemload11:04:310
490799172,12cyclictest0-21swapper/009:11:590
490799170,8cyclictest0-21swapper/007:43:530
4909991612,1cyclictest30-21ksoftirqd/211:20:242
490899160,15cyclictest0-21swapper/112:28:301
490799166,9cyclictest0-21swapper/009:57:200
490799162,5cyclictest0-21swapper/007:10:470
490799162,4cyclictest0-21swapper/008:45:500
490799162,13cyclictest3-21ksoftirqd/012:36:220
490799160,7cyclictest31298-21kworker/0:212:27:220
490799160,3cyclictest0-21swapper/007:17:470
490799160,14cyclictest0-21swapper/008:41:340
490799160,13cyclictest8-21rcu_preempt11:36:460
490799160,13cyclictest0-21swapper/010:23:320
190612160,0sleep23188-21diskmemload11:07:452
491099150,14cyclictest0-21swapper/311:11:563
491099150,10cyclictest1596-21sshd10:26:013
490999159,5cyclictest0-21swapper/209:23:322
490999150,12cyclictest10299-21sshd12:39:472
490799159,3cyclictest0-21swapper/012:24:090
490799159,3cyclictest0-21swapper/012:02:210
490799158,4cyclictest0-21swapper/010:28:160
490799153,5cyclictest0-21swapper/009:07:350
490799153,3cyclictest0-21swapper/008:26:550
490799153,1cyclictest0-21swapper/012:17:200
490799152,5cyclictest10-21rcuc/011:06:230
490799151,5cyclictest10-21rcuc/008:07:150
4907991511,1cyclictest0-21swapper/010:17:270
490799150,8cyclictest0-21swapper/007:38:330
490799150,7cyclictest115650irq/25-eth010:45:030
490799150,5cyclictest0-21swapper/007:20:510
490799150,12cyclictest0-21swapper/009:48:370
261352150,0sleep20-21swapper/211:47:192
491099140,1cyclictest0-21swapper/309:44:383
491099140,13cyclictest21204-21sshd12:35:543
491099140,13cyclictest0-21swapper/311:16:303
491099140,13cyclictest0-21swapper/310:35:173
490999148,5cyclictest0-21swapper/212:33:552
490999148,5cyclictest0-21swapper/212:33:552
490999144,9cyclictest17900-21sshd12:13:282
490999144,1cyclictest10501-21sshd10:16:442
490999142,11cyclictest30-21ksoftirqd/211:58:382
490999141,4cyclictest0-21swapper/211:52:122
4909991412,1cyclictest20660-21bash11:13:352
490999140,13cyclictest0-21swapper/209:27:442
490999140,13cyclictest0-21swapper/209:17:292
490999140,13cyclictest0-21swapper/209:10:102
490899149,2cyclictest0-21swapper/110:35:141
490899148,1cyclictest0-21swapper/111:57:261
4908991413,1cyclictest0-21swapper/110:00:151
490899140,13cyclictest5911-21irqstats09:10:181
490899140,13cyclictest0-21swapper/110:30:001
490899140,11cyclictest0-21swapper/111:51:031
490799148,3cyclictest0-21swapper/012:12:020
490799148,3cyclictest0-21swapper/011:12:150
490799142,4cyclictest0-21swapper/012:30:300
490799142,4cyclictest0-21swapper/012:30:300
490799140,7cyclictest0-21swapper/008:22:010
490799140,3cyclictest4398-21sshd10:43:090
490799140,13cyclictest0-21swapper/011:15:190
490799140,12cyclictest3909-21sshd09:26:170
490799140,12cyclictest0-21swapper/011:46:290
490799140,11cyclictest30377-21sshd09:41:380
490799140,11cyclictest0-21swapper/010:56:510
490799140,10cyclictest0-21swapper/009:32:530
286072140,1sleep31734-21runrttasks10:52:393
268942140,1sleep31734-21runrttasks12:15:043
69602130,0sleep10-21swapper/111:27:391
491099138,4cyclictest0-21swapper/310:55:583
491099137,5cyclictest0-21swapper/310:31:193
491099133,9cyclictest9532-21sshd09:27:173
4910991311,1cyclictest5234-21cp10:05:073
491099130,9cyclictest0-21swapper/311:43:043
491099130,1cyclictest0-21swapper/311:35:143
491099130,12cyclictest3188-21diskmemload09:39:173
491099130,12cyclictest20590-21bash10:13:043
491099130,12cyclictest16205-21sshd12:29:453
491099130,12cyclictest13837-21bash11:23:223
491099130,12cyclictest0-21swapper/312:22:583
491099130,12cyclictest0-21swapper/311:25:053
491099130,12cyclictest0-21swapper/310:18:453
490999139,1cyclictest0-21swapper/211:41:592
490999139,1cyclictest0-21swapper/209:33:252
4909991312,1cyclictest30-21ksoftirqd/211:38:202
4909991312,1cyclictest30-21ksoftirqd/210:26:182
4909991311,1cyclictest0-21swapper/210:11:382
490999131,0cyclictest28-21rcuc/212:08:302
490999130,4cyclictest19877-21sshd10:40:142
490999130,12cyclictest8845-21sshd10:21:552
490999130,12cyclictest8266-21bash11:33:232
490999130,12cyclictest25055-21sshd10:57:462
490999130,12cyclictest16074-21sshd11:01:402
490999130,12cyclictest14873-21bash09:55:372
490999130,12cyclictest0-21swapper/211:27:322
490999130,12cyclictest0-21swapper/210:36:102
490999130,12cyclictest0-21swapper/210:08:012
490999130,10cyclictest0-21swapper/211:16:592
490899139,1cyclictest0-21swapper/109:40:051
490899138,5cyclictest0-21swapper/110:41:221
490899138,1cyclictest0-21swapper/111:41:241
490899138,1cyclictest0-21swapper/109:49:231
490899132,10cyclictest25152-21rm11:36:081
490899131,11cyclictest0-21swapper/110:53:481
490899131,11cyclictest0-21swapper/110:10:171
490899131,11cyclictest0-21swapper/107:55:131
4908991310,3cyclictest0-21swapper/107:10:121
490899130,4cyclictest11401-21sshd09:16:371
490899130,4cyclictest0-21swapper/111:45:531
490899130,4cyclictest0-21swapper/110:48:081
490899130,13cyclictest0-21swapper/111:10:231
490899130,12cyclictest0-21swapper/112:08:381
490899130,12cyclictest0-21swapper/111:20:281
490899130,12cyclictest0-21swapper/111:17:391
490899130,12cyclictest0-21swapper/110:23:061
490899130,12cyclictest0-21swapper/110:15:571
490899130,12cyclictest0-21swapper/109:50:441
490899130,12cyclictest0-21swapper/109:36:221
490899130,12cyclictest0-21swapper/109:26:411
490899130,12cyclictest0-21swapper/109:20:451
490899130,10cyclictest27039-21sshd11:03:391
490799131,9cyclictest0-21swapper/009:36:270
491099127,4cyclictest0-21swapper/309:10:513
491099122,9cyclictest18839-21sshd11:51:343
4910991211,1cyclictest10919-21sshd09:22:053
491099120,9cyclictest4575-21sshd09:48:213
491099120,1cyclictest3499-21sshd12:05:223
491099120,1cyclictest0-21swapper/312:01:163
491099120,12cyclictest0-21swapper/311:07:573
491099120,12cyclictest0-21swapper/310:41:053
491099120,11cyclictest0-21swapper/312:31:063
491099120,11cyclictest0-21swapper/312:31:063
491099120,11cyclictest0-21swapper/311:47:013
491099120,11cyclictest0-21swapper/311:32:363
491099120,11cyclictest0-21swapper/309:57:393
491099120,11cyclictest0-21swapper/309:51:183
490999129,2cyclictest0-21swapper/212:01:432
490999129,2cyclictest0-21swapper/210:30:062
490999129,2cyclictest0-21swapper/209:50:092
490999129,2cyclictest0-21swapper/209:41:452
490999129,2cyclictest0-21swapper/208:15:202
490999129,2cyclictest0-21swapper/208:10:082
490999129,2cyclictest0-21swapper/207:35:132
490999128,1cyclictest0-21swapper/212:18:192
4909991210,1cyclictest28451-21sshd12:26:072
490999120,12cyclictest0-21swapper/210:45:112
490999120,11cyclictest0-21swapper/212:20:482
490999120,11cyclictest0-21swapper/209:45:222
490899128,1cyclictest0-21swapper/112:32:081
490899128,1cyclictest0-21swapper/112:32:081
490899121,2cyclictest0-21swapper/110:05:181
490899121,10cyclictest0-21swapper/107:20:121
4908991210,1cyclictest2596-21sshd11:05:041
490899120,2cyclictest0-21swapper/107:37:261
490899120,1cyclictest0-21swapper/112:01:001
490899120,1cyclictest0-21swapper/110:55:241
490899120,11cyclictest0-21swapper/109:05:111
490899120,11cyclictest0-21swapper/108:50:101
490899120,11cyclictest0-21swapper/107:50:121
490799129,2cyclictest0-21swapper/012:05:120
490799129,2cyclictest0-21swapper/008:35:100
490799121,10cyclictest0-21swapper/007:55:100
490799121,10cyclictest0-21swapper/007:50:140
491099119,2cyclictest0-21swapper/311:00:083
491099119,2cyclictest0-21swapper/307:40:133
491099118,2cyclictest0-21swapper/310:45:223
491099118,2cyclictest0-21swapper/310:00:073
491099118,2cyclictest0-21swapper/308:35:123
491099110,10cyclictest0-21swapper/312:10:063
491099110,10cyclictest0-21swapper/311:55:003
491099110,10cyclictest0-21swapper/308:55:153
491099110,10cyclictest0-21swapper/308:45:133
491099110,10cyclictest0-21swapper/308:00:223
491099110,10cyclictest0-21swapper/307:50:113
491099110,10cyclictest0-21swapper/307:45:133
491099110,10cyclictest0-21swapper/307:35:183
491099110,10cyclictest0-21swapper/307:30:243
491099110,10cyclictest0-21swapper/307:25:133
491099110,10cyclictest0-21swapper/307:25:133
491099110,10cyclictest0-21swapper/307:20:123
491099110,10cyclictest0-21swapper/307:15:143
490999119,1cyclictest0-21swapper/207:55:192
490999119,1cyclictest0-21swapper/207:40:132
490999118,2cyclictest0-21swapper/209:05:102
490999118,2cyclictest0-21swapper/207:25:122
490999118,2cyclictest0-21swapper/207:25:122
490999111,1cyclictest0-21swapper/207:50:132
4909991110,1cyclictest0-21swapper/208:55:142
490999110,11cyclictest0-21swapper/207:10:182
490999110,10cyclictest648-21perl08:00:162
490999110,10cyclictest0-21swapper/209:00:112
490999110,10cyclictest0-21swapper/208:40:112
490999110,10cyclictest0-21swapper/208:35:182
490999110,10cyclictest0-21swapper/208:30:122
490999110,10cyclictest0-21swapper/208:20:142
490999110,10cyclictest0-21swapper/207:45:112
490899119,1cyclictest22136-21diskstats07:40:141
490899119,1cyclictest0-21swapper/107:15:011
490899111,1cyclictest0-21swapper/109:00:121
490899110,2cyclictest0-21swapper/107:30:121
490899110,10cyclictest0-21swapper/110:30:311
490899110,10cyclictest0-21swapper/108:55:131
490899110,10cyclictest0-21swapper/108:10:191
490799119,1cyclictest0-21swapper/008:30:160
490799119,1cyclictest0-21swapper/008:15:120
490799118,2cyclictest0-21swapper/008:55:140
490799112,7cyclictest0-21swapper/007:45:210
490799110,2cyclictest0-21swapper/007:25:130
490799110,2cyclictest0-21swapper/007:25:130
490799110,11cyclictest0-21swapper/008:00:210
490799110,10cyclictest5299-21ls08:10:180
491099108,2cyclictest0-21swapper/308:25:113
491099108,2cyclictest0-21swapper/308:20:103
491099108,1cyclictest30454-21apache_volume09:00:113
491099100,9cyclictest5333-21awk08:10:183
491099100,9cyclictest3411-21latency_hist09:10:003
491099100,9cyclictest25074-21apache_processe08:50:103
491099100,9cyclictest0-21swapper/308:15:133
491099100,9cyclictest0-21swapper/307:55:123
491099100,2cyclictest0-21swapper/308:30:223
490999100,9cyclictest0-21swapper/207:30:142
490999100,9cyclictest0-21swapper/207:20:142
490999100,1cyclictest25077-21apache_volume08:50:122
490999100,1cyclictest0-21swapper/207:15:012
490899108,1cyclictest15662-21ntp_states08:30:211
490899100,9cyclictest17421-21df08:35:111
490899100,1cyclictest32437-21apache_processe08:00:141
490899100,1cyclictest24755-21df07:45:141
490899100,1cyclictest22393-21apache_processe08:45:101
490899100,1cyclictest14097-21diskstats07:25:141
490899100,1cyclictest14097-21diskstats07:25:141
490899100,1cyclictest0-21swapper/108:40:101
490899100,10cyclictest0-21swapper/108:20:181
490799100,10cyclictest0-21swapper/008:51:210
49109990,1cyclictest0-21swapper/308:40:123
49109990,1cyclictest0-21swapper/307:10:183
49099990,9cyclictest0-21swapper/208:45:112
49089998,1cyclictest6631-21cstates08:15:141
49089998,1cyclictest0-21swapper/108:07:501
49099965,1cyclictest0-21swapper/208:05:512
49099961,4cyclictest0-21swapper/208:25:182
2728260,1sleep30-21swapper/308:05:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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