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2026-04-23 - 01:19
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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 highest latencies:
System rackaslot0.osadl.org (updated Wed Apr 22, 2026 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198782990,1sleep219870-21sshd12:11:532
307602910,1sleep330746-21sshd09:59:033
164172870,0sleep00-21swapper/009:51:440
59252840,1sleep113974-21diskmemload11:20:031
176982640,0sleep31508-21nfsd11:12:073
110782620,1sleep10-21swapper/111:56:081
282262610,0sleep228222-21sshd10:10:372
215232610,0sleep00-21swapper/010:54:420
308162590,2sleep1684799cyclictest09:44:121
74142580,0sleep00-21swapper/010:23:410
322882580,1sleep28-21rcu_preempt11:04:372
319372580,1sleep01734-21runrttasks11:25:190
236562580,1sleep023637-21sshd11:30:280
143342580,0sleep014332-21sshd09:15:500
58992560,0sleep10-21swapper/111:25:511
151692560,0sleep115170-21sshd10:39:161
88852540,1sleep08873-21sshd09:42:060
29142540,0sleep30-21swapper/309:32:403
89142530,0sleep20-21swapper/210:05:522
44942530,0sleep14493-21bash12:37:151
44942530,0sleep14493-21bash12:37:151
305862530,0sleep01734-21runrttasks11:01:230
635825226,8sleep10-21swapper/107:08:511
259382520,1sleep025936-21bash12:15:220
235502520,0sleep20-21swapper/211:09:462
594125128,19sleep20-21swapper/207:06:472
611225024,9sleep30-21swapper/307:07:373
18342500,0sleep00-21swapper/011:46:230
183322500,0sleep00-21swapper/010:42:280
592224926,9sleep00-21swapper/007:06:420
153562490,0sleep119-21rcuc/109:10:061
106182480,0sleep113974-21diskmemload12:31:511
69772470,0sleep30-21swapper/310:26:323
155262470,0sleep10-21swapper/110:48:111
117872470,0sleep01734-21runrttasks11:53:200
310592460,0sleep30-21swapper/310:37:423
290522460,0sleep30-21swapper/310:01:483
284762460,0sleep20-21swapper/209:58:512
191792460,0sleep10-21swapper/109:22:171
83692450,1sleep28371-21id09:54:022
54102430,0sleep20-21swapper/212:37:202
54102430,0sleep20-21swapper/212:37:202
6847992220,1cyclictest25947-21sshd12:12:261
6846992220,1cyclictest9447-21sshd11:38:120
6847992119,1cyclictest18744-21sshd09:57:561
684699214,17cyclictest3-21ksoftirqd/010:05:490
6846992120,1cyclictest31925-21sshd11:22:220
227732210,0sleep322755-21sshd12:00:163
684999200,1cyclictest9425-21sshd11:29:183
6846992019,1cyclictest2589-21sshd12:10:170
6846992018,1cyclictest1912-21sshd11:58:220
684699200,19cyclictest0-21swapper/010:47:550
6849991917,1cyclictest0-21swapper/310:47:113
6848991917,1cyclictest0-21swapper/210:22:302
684899191,5cyclictest5535-21sshd09:15:102
684899190,18cyclictest30212-21sshd12:33:432
684899190,14cyclictest18820-21bash11:18:132
684699195,5cyclictest3-21ksoftirqd/010:26:270
684699193,15cyclictest0-21swapper/011:44:490
6846991911,4cyclictest13974-21diskmemload09:10:290
684899180,4cyclictest115650irq/25-eth009:22:512
684899180,17cyclictest27841-21bash12:21:322
684899180,17cyclictest27399-21sshd11:13:032
684899180,17cyclictest0-21swapper/211:36:272
684899180,13cyclictest0-21swapper/209:31:302
684699183,12cyclictest0-21swapper/009:29:420
684699183,10cyclictest10-21rcuc/012:36:270
684699183,10cyclictest10-21rcuc/012:36:270
6846991818,0cyclictest0-21swapper/010:56:340
6846991816,1cyclictest26885-21sshd12:33:240
684699181,10cyclictest5455-21kworker/0:212:27:560
684699180,17cyclictest0-21swapper/009:24:000
58202180,0sleep30-21swapper/312:22:303
192312180,1sleep319216-21sshd11:24:133
188352180,0sleep318831-21bash10:09:533
684899179,7cyclictest0-21swapper/209:12:482
6848991716,1cyclictest0-21swapper/212:19:492
6848991712,4cyclictest0-21swapper/210:01:142
684899170,7cyclictest1683-21bash12:07:142
684899170,4cyclictest115650irq/25-eth010:44:222
684899170,16cyclictest30938-21cp12:04:022
684899170,16cyclictest29396-21bash11:28:052
684899170,16cyclictest28373-21bash10:58:152
684899170,16cyclictest0-21swapper/209:39:092
6847991715,1cyclictest26113-21sshd12:27:211
684699179,4cyclictest28552-21kworker/0:010:16:390
684699179,4cyclictest28552-21kworker/0:010:16:390
684699177,8cyclictest23491-21kworker/0:110:04:470
684699175,8cyclictest8-21rcu_preempt11:16:000
684699175,5cyclictest3-21ksoftirqd/009:39:420
684699174,7cyclictest0-21swapper/010:34:090
684699174,5cyclictest0-21swapper/009:58:010
684699173,13cyclictest28552-21kworker/0:010:11:270
684699171,14cyclictest0-21swapper/011:14:180
684699170,9cyclictest3-21ksoftirqd/012:08:080
684699170,16cyclictest18011-21sshd09:48:590
249592170,1sleep124962-21bash10:28:151
93442160,1sleep11734-21runrttasks11:35:131
684899168,7cyclictest25497-21sshd10:52:012
684899168,7cyclictest0-21swapper/211:31:492
684899168,4cyclictest13974-21diskmemload12:28:582
684899166,7cyclictest0-21swapper/209:45:482
684899165,10cyclictest26093-21bash10:28:212
684899160,15cyclictest26928-21sshd11:54:452
684899160,15cyclictest25656-21sshd10:31:122
684899160,15cyclictest16272-21sshd11:47:452
684899160,15cyclictest11231-21cp10:15:092
684899160,15cyclictest11231-21cp10:15:092
684899160,15cyclictest0-21swapper/210:36:532
684799160,13cyclictest0-21swapper/111:42:521
684699169,4cyclictest29485-21kworker/0:109:32:120
684699168,6cyclictest3-21ksoftirqd/007:52:040
684699164,8cyclictest0-21swapper/009:01:110
684699164,7cyclictest0-21swapper/008:30:480
684699163,4cyclictest3-21ksoftirqd/008:15:260
6846991610,4cyclictest0-21swapper/007:25:150
186442160,0sleep30-21swapper/309:49:023
684999158,4cyclictest14532-21bash10:56:573
6849991513,1cyclictest30078-21id12:12:503
684899159,5cyclictest0-21swapper/209:40:072
684899158,6cyclictest6136-21sshd11:20:042
684899158,6cyclictest27563-21users08:35:222
684899151,13cyclictest0-21swapper/209:25:162
684899150,14cyclictest6686-21processes08:55:222
684899150,14cyclictest6171-21bash11:55:402
684899150,14cyclictest32327-21sshd11:40:162
684899150,14cyclictest19098-21sshd10:45:252
684899150,14cyclictest13520-21munin-node07:20:152
6847991514,1cyclictest18673-21sshd10:30:321
6847991513,1cyclictest25768-21sshd11:48:391
684799150,6cyclictest0-21swapper/109:15:071
684799150,14cyclictest0-21swapper/111:02:401
684699155,7cyclictest13974-21diskmemload10:36:470
684699154,7cyclictest0-21swapper/007:35:260
684699154,6cyclictest15355-21kworker/0:112:20:120
684699154,4cyclictest10-21rcuc/008:07:380
684699154,4cyclictest0-21swapper/007:45:140
684699153,8cyclictest10-21rcuc/008:13:120
684699153,7cyclictest10-21rcuc/007:21:130
684699153,4cyclictest3-21ksoftirqd/012:00:060
684699153,11cyclictest3-21ksoftirqd/007:41:520
6846991511,1cyclictest0-21swapper/011:05:090
25312150,0sleep119-21rcuc/109:50:251
684999149,5cyclictest0-21swapper/311:59:523
684999148,2cyclictest24733-21sshd11:39:393
684999142,11cyclictest0-21swapper/309:51:333
6849991412,1cyclictest31380-21rm09:14:343
6849991412,1cyclictest20364-21bash10:24:553
6849991411,2cyclictest0-21swapper/312:15:473
684999140,3cyclictest21341-21sshd09:40:173
684999140,1cyclictest115650irq/25-eth012:32:133
684999140,13cyclictest0-21swapper/311:50:593
684999140,13cyclictest0-21swapper/311:46:493
684899140,13cyclictest0-21swapper/209:00:152
684899140,13cyclictest0-21swapper/208:40:152
684799149,4cyclictest0-21swapper/111:15:111
684799149,2cyclictest0-21swapper/110:20:211
684799148,5cyclictest0-21swapper/110:53:511
684799140,13cyclictest24648-21id12:24:181
684799140,13cyclictest0-21swapper/110:18:191
684799140,13cyclictest0-21swapper/110:18:191
684799140,13cyclictest0-21swapper/110:11:191
684799140,11cyclictest0-21swapper/110:07:561
684699147,7cyclictest3-21ksoftirqd/008:24:550
684699143,3cyclictest3-21ksoftirqd/007:10:210
684699142,5cyclictest24034-21kworker/0:007:55:120
684699142,5cyclictest24034-21kworker/0:007:55:120
684699141,9cyclictest3-21ksoftirqd/009:06:550
684699141,8cyclictest0-21swapper/008:56:480
684699141,8cyclictest0-21swapper/007:15:350
684699140,13cyclictest3-21ksoftirqd/008:25:150
39332140,0sleep33928-21sshd11:19:533
267472140,0sleep326742-21sshd12:36:163
267472140,0sleep326742-21sshd12:36:163
684999138,4cyclictest0-21swapper/312:05:063
684999138,2cyclictest30331-21sshd11:07:203
684999138,2cyclictest1596-21sshd10:51:143
684999137,4cyclictest0-21swapper/311:40:253
684999131,9cyclictest115650irq/25-eth009:20:323
684999131,11cyclictest0-21swapper/310:15:103
684999131,11cyclictest0-21swapper/310:15:103
6849991310,1cyclictest0-21swapper/311:01:113
684999130,12cyclictest27678-21sshd10:40:213
684999130,12cyclictest23453-21sshd11:30:273
684999130,12cyclictest16328-21sshd09:39:553
684999130,12cyclictest0-21swapper/310:11:363
684999130,12cyclictest0-21swapper/309:28:393
684999130,10cyclictest9184-21sshd12:25:433
684899130,12cyclictest0-21swapper/208:49:592
684799139,2cyclictest0-21swapper/110:00:331
684799138,3cyclictest0-21swapper/111:30:061
684799131,9cyclictest9048-21sshd12:16:501
6847991311,1cyclictest0-21swapper/109:46:091
684799131,11cyclictest0-21swapper/108:50:111
684799130,4cyclictest0-21swapper/111:13:021
684799130,4cyclictest0-21swapper/109:26:451
684799130,2cyclictest5845-21sshd12:07:371
684799130,2cyclictest25284-21sshd11:09:561
684799130,12cyclictest2452-21bash10:40:581
684799130,12cyclictest0-21swapper/112:00:081
684799130,10cyclictest16661-21sshd10:57:091
684799130,10cyclictest0-21swapper/109:39:151
684699135,7cyclictest0-21swapper/008:43:160
684699135,5cyclictest0-21swapper/007:31:500
684699133,5cyclictest3-21ksoftirqd/008:04:120
65492130,0sleep16552-21ntp_kernel_pll_08:55:201
684999129,2cyclictest0-21swapper/310:30:193
684999129,2cyclictest0-21swapper/308:50:233
684999129,2cyclictest0-21swapper/308:45:123
684999129,2cyclictest0-21swapper/307:15:013
684999121,10cyclictest0-21swapper/308:35:123
684999120,11cyclictest5019-21sshd09:15:073
684999120,11cyclictest0-21swapper/308:25:163
684899129,3cyclictest0-21swapper/208:04:312
684899127,4cyclictest0-21swapper/207:50:122
684899120,11cyclictest0-21swapper/207:41:382
684799129,2cyclictest0-21swapper/108:30:151
684799129,2cyclictest0-21swapper/108:05:131
684799121,2cyclictest0-21swapper/108:45:131
684799121,10cyclictest0-21swapper/109:30:251
684799121,10cyclictest0-21swapper/107:25:131
6847991210,1cyclictest0-21swapper/107:34:351
684799120,11cyclictest0-21swapper/111:51:431
684699129,2cyclictest0-21swapper/008:35:160
684699120,8cyclictest0-21swapper/008:50:120
684999118,2cyclictest0-21swapper/308:40:213
684999118,2cyclictest0-21swapper/307:40:123
684999118,2cyclictest0-21swapper/307:30:133
684999110,10cyclictest0-21swapper/307:53:263
684999110,0cyclictest0-21swapper/307:35:113
684899119,1cyclictest0-21swapper/208:45:152
684899115,5cyclictest243872sleep207:36:122
684899110,1cyclictest0-21swapper/208:30:052
684899110,11cyclictest0-21swapper/207:58:502
684899110,11cyclictest0-21swapper/207:58:502
684899110,10cyclictest0-21swapper/208:25:142
684899110,10cyclictest0-21swapper/207:25:162
684799119,1cyclictest0-21swapper/109:05:131
684799119,1cyclictest0-21swapper/109:00:141
684799119,1cyclictest0-21swapper/108:40:131
684799110,2cyclictest0-21swapper/107:15:141
684799110,11cyclictest0-21swapper/107:20:241
684799110,10cyclictest0-21swapper/108:35:221
684799110,10cyclictest0-21swapper/108:16:241
161422110,0sleep339-21ksoftirqd/307:24:343
684999109,1cyclictest0-21swapper/308:15:383
684999109,1cyclictest0-21swapper/308:04:003
684999108,1cyclictest0-21swapper/309:05:143
684999107,2cyclictest0-21swapper/308:55:133
684999100,9cyclictest0-21swapper/308:35:013
684999100,1cyclictest8360-21diskstats08:05:133
684999100,1cyclictest0-21swapper/309:02:553
684999100,10cyclictest0-21swapper/307:58:183
684999100,10cyclictest0-21swapper/307:58:183
684899109,1cyclictest0-21swapper/209:06:552
684899108,1cyclictest28848-21diskstats07:45:142
684899108,1cyclictest0-21swapper/208:05:132
684899100,9cyclictest8311-21munin-node07:10:212
684899100,9cyclictest19525-21munin-node07:30:122
684899100,9cyclictest17613-21perl08:20:152
684899100,9cyclictest11447-21munin-node07:15:152
684899100,6cyclictest115650irq/25-eth008:10:102
684799109,1cyclictest0-21swapper/107:40:121
684799108,1cyclictest22887-21diskstats07:35:121
684799100,9cyclictest0-21swapper/108:20:151
684799100,9cyclictest0-21swapper/107:55:131
684799100,9cyclictest0-21swapper/107:55:131
684799100,1cyclictest5639-21perl08:00:141
684799100,10cyclictest0-21swapper/108:26:301
684799100,10cyclictest0-21swapper/108:12:201
684699108,1cyclictest31734-21apache_processe08:45:110
68499998,1cyclictest28402-21munin-node07:45:153
68499990,1cyclictest0-21swapper/307:25:153
68489990,8cyclictest13861-21munin-node08:15:122
68479996,2cyclictest0-21swapper/107:45:151
68499983,4cyclictest189472sleep308:22:073
68479987,1cyclictest0-21swapper/107:11:071
68479981,6cyclictest0-21swapper/107:50:211
68499971,5cyclictest0-21swapper/307:10:113
68499970,6cyclictest0-21swapper/308:10:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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