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2026-04-30 - 15:18
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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 376 highest latencies:
System rackaslot0.osadl.org (updated Thu Apr 30, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168412920,0sleep10-21swapper/112:00:241
168412920,0sleep10-21swapper/112:00:241
129332900,0sleep20-21swapper/209:38:462
45102880,0sleep20-21swapper/209:20:482
156152820,0sleep20-21swapper/211:05:272
222372760,0sleep10-21swapper/108:30:191
79712650,0sleep17972-21bash10:01:211
248942580,1sleep124899-21pmu-power07:40:211
81072570,1sleep38097-21sshd12:17:003
60382560,1sleep21734-21runrttasks12:37:022
121252560,0sleep30-21swapper/311:57:083
121252560,0sleep30-21swapper/311:57:083
109422560,1sleep01596-21sshd10:47:510
45432550,0sleep20-21swapper/211:13:132
155712550,0sleep00-21swapper/010:13:390
60052540,0sleep10-21swapper/111:56:351
60052540,0sleep10-21swapper/111:56:351
137962510,0sleep30-21swapper/311:25:293
101202510,1sleep2495999cyclictest10:10:152
127552500,0sleep00-21swapper/009:13:000
69982490,0sleep00-21swapper/012:14:050
459324926,19sleep30-21swapper/307:09:323
395324926,19sleep20-21swapper/207:06:182
392124926,19sleep00-21swapper/007:06:080
32582490,0sleep10-21swapper/112:10:451
114302490,0sleep00-21swapper/009:27:100
378924825,19sleep10-21swapper/107:05:291
29142480,1sleep210361-21diskmemload10:32:422
221692480,0sleep20-21swapper/209:25:162
157122480,2sleep30-21swapper/311:02:403
54222470,0sleep10-21swapper/111:19:061
239592470,0sleep110361-21diskmemload09:45:261
49112460,0sleep30-21swapper/310:15:293
42052460,1sleep20-21swapper/209:43:472
195302440,0sleep30-21swapper/311:31:493
235242370,0sleep20-21swapper/209:13:592
287872280,0sleep10-21swapper/111:00:551
4960992418,5cyclictest0-21swapper/309:24:403
133422230,1sleep013337-21df09:30:140
496099220,1cyclictest0-21swapper/311:12:063
4959992220,1cyclictest0-21swapper/211:27:432
4958992119,1cyclictest9820-21sshd10:27:331
4958992119,1cyclictest24687-21sshd11:12:061
495799214,14cyclictest6808-21kworker/0:011:36:450
4957992119,1cyclictest14221-21sshd11:42:550
4960992019,1cyclictest0-21swapper/310:49:483
4959992018,1cyclictest18941-21sshd10:51:262
495999200,1cyclictest20628-21bash11:55:052
495999200,1cyclictest20628-21bash11:55:052
4958992019,1cyclictest3604-21sshd10:12:321
495799200,9cyclictest0-21swapper/012:30:200
496099190,10cyclictest0-21swapper/310:06:023
4959991918,1cyclictest25324-21sshd10:23:102
4959991917,1cyclictest0-21swapper/212:20:172
4957991918,1cyclictest4498-21sshd11:33:250
4957991918,1cyclictest16122-21sshd10:22:200
319152190,1sleep20-21swapper/209:57:452
5152180,0sleep1514-21sshd10:32:291
496099189,8cyclictest0-21swapper/310:31:483
4960991816,1cyclictest30168-21fw_packets09:40:163
4960991816,1cyclictest0-21swapper/312:39:073
4960991816,1cyclictest0-21swapper/310:00:383
496099180,17cyclictest0-21swapper/312:06:143
495999188,9cyclictest0-21swapper/210:04:212
495999187,10cyclictest0-21swapper/211:17:382
495799180,6cyclictest0-21swapper/010:34:330
85212170,1sleep30-21swapper/309:15:243
496099170,8cyclictest0-21swapper/310:54:443
496099170,16cyclictest0-21swapper/312:26:013
496099170,16cyclictest0-21swapper/310:29:323
495999170,16cyclictest0-21swapper/209:52:592
4958991715,1cyclictest6564-21bash12:37:051
4957991715,1cyclictest2536-21sshd10:26:530
495799170,8cyclictest0-21swapper/011:21:230
495799170,8cyclictest0-21swapper/010:36:300
495799170,16cyclictest0-21swapper/011:49:210
495799170,16cyclictest0-21swapper/010:08:360
307382170,0sleep30-21swapper/312:04:383
307382170,0sleep30-21swapper/312:04:373
295492170,0sleep10-21swapper/111:24:051
496099164,9cyclictest19233-21sshd10:42:493
496099160,7cyclictest0-21swapper/310:59:303
496099160,15cyclictest0-21swapper/312:30:273
496099160,15cyclictest0-21swapper/312:22:233
496099160,15cyclictest0-21swapper/311:37:483
495999167,8cyclictest0-21swapper/212:00:192
495999167,8cyclictest0-21swapper/212:00:182
495999164,11cyclictest8241-21sshd09:15:232
4959991614,1cyclictest0-21swapper/210:29:542
495899160,15cyclictest22844-21sshd11:52:211
495899160,15cyclictest0-21swapper/109:31:391
495799168,7cyclictest0-21swapper/010:40:460
495799165,10cyclictest25836-21kworker/0:010:53:420
495799160,2cyclictest28347-21sshd11:18:130
495799160,14cyclictest0-21swapper/011:58:090
495799160,14cyclictest0-21swapper/011:58:090
300572160,0sleep30-21swapper/309:46:003
231512160,1sleep20-21swapper/211:40:462
112342160,1sleep21511-21nfsd12:34:422
496099150,14cyclictest0-21swapper/310:22:523
495999150,14cyclictest0-21swapper/210:55:592
495899158,7cyclictest0-21swapper/109:24:471
495899157,8cyclictest0-21swapper/109:35:511
495899156,8cyclictest0-21swapper/110:46:561
495899150,6cyclictest0-21swapper/111:40:211
495899150,6cyclictest0-21swapper/109:58:091
495899150,6cyclictest0-21swapper/109:15:361
495899150,14cyclictest21568-21sshd11:31:591
495899150,14cyclictest0-21swapper/112:17:541
495899150,14cyclictest0-21swapper/110:44:291
495899150,12cyclictest0-21swapper/110:18:031
495799159,5cyclictest11650-21minicom09:42:310
495799159,5cyclictest0-21swapper/012:09:010
495799155,1cyclictest24428-21sshd09:48:280
495799153,11cyclictest0-21swapper/009:20:480
4957991514,1cyclictest10681-21kworker/0:209:15:050
4957991512,2cyclictest11391-21munin-run07:20:000
495799150,14cyclictest0-21swapper/012:36:200
495799150,14cyclictest0-21swapper/010:17:140
495799150,14cyclictest0-21swapper/009:55:020
495799150,14cyclictest0-21swapper/009:53:060
495799150,13cyclictest2001-21sshd11:13:000
495799150,11cyclictest0-21swapper/009:36:490
309352150,1sleep228-21rcuc/212:27:452
156862150,0sleep339-21ksoftirqd/311:48:523
496099149,2cyclictest0-21swapper/311:41:583
496099149,2cyclictest0-21swapper/309:28:543
496099148,5cyclictest0-21swapper/311:05:143
496099140,1cyclictest0-21swapper/311:20:593
496099140,13cyclictest9593-21sshd09:32:453
496099140,13cyclictest0-21swapper/309:12:313
496099140,11cyclictest0-21swapper/310:38:513
495999148,5cyclictest115650irq/25-eth011:49:162
495999144,9cyclictest7383-21sshd11:36:302
495999144,9cyclictest4622-21sshd12:10:532
495999140,13cyclictest0-21swapper/211:50:302
495999140,13cyclictest0-21swapper/211:02:332
495999140,13cyclictest0-21swapper/209:47:122
495899145,9cyclictest21-21ksoftirqd/109:42:181
4958991412,1cyclictest21-21ksoftirqd/111:27:201
495899140,2cyclictest0-21swapper/112:29:371
495899140,13cyclictest18195-21bash10:54:181
495899140,13cyclictest0-21swapper/111:45:571
495899140,13cyclictest0-21swapper/111:37:301
495899140,11cyclictest0-21swapper/112:34:241
495799149,4cyclictest0-21swapper/011:01:090
495799148,5cyclictest0-21swapper/011:05:220
495799142,11cyclictest23767-21sshd11:26:240
495799141,3cyclictest0-21swapper/011:50:240
495799141,2cyclictest0-21swapper/012:20:120
4957991412,1cyclictest0-21swapper/007:30:230
495799140,14cyclictest0-21swapper/012:27:070
495799140,12cyclictest0-21swapper/012:17:300
38912140,0sleep00-21swapper/012:02:110
38912140,0sleep00-21swapper/012:02:110
171542140,1sleep10-21swapper/110:57:021
116382140,1sleep337-21rcuc/311:54:163
496099138,2cyclictest16861-21sshd09:56:233
496099131,11cyclictest0-21swapper/312:10:063
496099130,12cyclictest5992-21sshd09:35:173
496099130,12cyclictest0-21swapper/311:16:433
496099130,12cyclictest0-21swapper/310:10:253
496099130,12cyclictest0-21swapper/309:51:543
495999132,10cyclictest19007-21sshd10:05:182
495999132,10cyclictest1596-21sshd10:47:102
495999130,12cyclictest14644-21sshd12:05:592
495999130,12cyclictest0-21swapper/211:30:052
495999130,12cyclictest0-21swapper/211:20:032
495999130,12cyclictest0-21swapper/210:35:042
495999130,12cyclictest0-21swapper/209:31:082
495999130,10cyclictest27535-21sshd10:17:342
495899131,11cyclictest115650irq/25-eth012:21:391
495899130,4cyclictest0-21swapper/111:06:291
495899130,13cyclictest0-21swapper/110:22:421
495899130,12cyclictest3118-21sshd10:06:411
495899130,12cyclictest23651-21sshd09:11:031
495899130,12cyclictest0-21swapper/112:05:331
495899130,12cyclictest0-21swapper/110:35:081
495899130,12cyclictest0-21swapper/109:50:031
495899130,12cyclictest0-21swapper/109:25:441
495799137,6cyclictest21028-21kworker/0:008:11:130
495799137,2cyclictest21028-21kworker/0:008:24:410
495799130,12cyclictest0-21swapper/010:56:550
495799130,11cyclictest8061-21sshd10:01:210
496099129,2cyclictest0-21swapper/309:05:153
496099129,2cyclictest0-21swapper/308:45:143
4960991210,1cyclictest0-21swapper/308:55:443
495999129,2cyclictest0-21swapper/210:40:102
495999121,10cyclictest0-21swapper/209:05:112
495999121,10cyclictest0-21swapper/209:00:132
495999120,11cyclictest0-21swapper/212:16:042
495899129,2cyclictest0-21swapper/109:05:141
495899129,2cyclictest0-21swapper/107:45:121
495899120,11cyclictest0-21swapper/109:00:531
495799127,1cyclictest21028-21kworker/0:007:39:040
495799121,10cyclictest0-21swapper/009:05:140
495799120,8cyclictest0-21swapper/007:25:220
496099113,7cyclictest0-21swapper/308:12:263
4960991110,1cyclictest0-21swapper/308:21:353
496099110,1cyclictest0-21swapper/309:00:373
495999119,1cyclictest0-21swapper/207:15:012
495999118,2cyclictest20998-21diskstats07:35:132
495999118,2cyclictest0-21swapper/208:30:152
495999118,2cyclictest0-21swapper/208:20:122
495999115,3cyclictest3813-21kworker/2:007:20:152
495999115,3cyclictest3813-21kworker/2:007:20:152
495999112,8cyclictest0-21swapper/207:30:112
495899119,1cyclictest0-21swapper/108:35:151
495899118,2cyclictest0-21swapper/108:00:151
495899118,2cyclictest0-21swapper/107:55:111
495899118,2cyclictest0-21swapper/107:30:141
495899118,2cyclictest0-21swapper/107:10:101
495899110,11cyclictest0-21swapper/108:13:351
495899110,10cyclictest0-21swapper/108:55:101
495899110,10cyclictest0-21swapper/108:22:531
495899110,10cyclictest0-21swapper/108:05:151
495799119,1cyclictest0-21swapper/008:35:140
495799118,2cyclictest0-21swapper/009:00:150
495799118,2cyclictest0-21swapper/008:55:120
495799116,2cyclictest21028-21kworker/0:008:52:310
495799110,8cyclictest0-21swapper/007:10:080
495799110,10cyclictest0-21swapper/008:40:130
495799110,10cyclictest0-21swapper/008:30:150
495799110,10cyclictest0-21swapper/007:45:130
496099109,1cyclictest0-21swapper/308:53:173
496099109,1cyclictest0-21swapper/308:34:563
496099109,1cyclictest0-21swapper/308:27:093
496099109,1cyclictest0-21swapper/308:01:283
496099108,1cyclictest11974-21apache_volume08:15:123
496099108,1cyclictest0-21swapper/307:15:013
496099100,9cyclictest26901-21apache_volume08:40:103
496099100,9cyclictest0-21swapper/307:40:143
496099100,1cyclictest6698-21cut08:05:143
496099100,1cyclictest0-21swapper/307:56:353
496099100,1cyclictest0-21swapper/307:50:143
496099100,1cyclictest0-21swapper/307:25:143
496099100,10cyclictest0-21swapper/307:37:533
496099100,10cyclictest0-21swapper/307:32:413
496099100,10cyclictest0-21swapper/307:11:453
495999108,1cyclictest5677-21fschecks_time07:10:102
495999108,1cyclictest424-21diskstats07:55:122
495999108,1cyclictest3685-21perl08:00:152
495999108,1cyclictest2436-21perl08:55:122
495999100,9cyclictest9381-21df08:10:112
495999100,9cyclictest0-21swapper/208:25:132
495999100,9cyclictest0-21swapper/207:50:142
495999100,1cyclictest24247-21perl07:40:152
495999100,1cyclictest12415-21diskstats08:15:132
495899100,9cyclictest0-21swapper/108:15:131
495899100,1cyclictest30238-21fschecks_time07:50:151
495899100,1cyclictest27344-21diskstats08:40:131
495899100,10cyclictest0-21swapper/107:36:181
495799107,1cyclictest21028-21kworker/0:008:27:050
495799105,1cyclictest21028-21kworker/0:007:44:440
495799104,3cyclictest21028-21kworker/0:008:45:250
495799104,3cyclictest0-21swapper/008:15:150
495799100,9cyclictest12003-21expr07:20:130
495799100,9cyclictest12003-21expr07:20:130
495799100,9cyclictest0-21swapper/008:05:150
495799100,7cyclictest0-21swapper/007:55:110
49599998,1cyclictest0-21swapper/208:35:142
49599997,1cyclictest15338-21perl07:25:142
49599997,1cyclictest0-21swapper/208:40:142
49599990,9cyclictest0-21swapper/208:45:152
49589998,1cyclictest0-21swapper/107:25:091
49589998,1cyclictest0-21swapper/107:20:111
49589998,1cyclictest0-21swapper/107:20:111
49589990,1cyclictest0-21swapper/107:15:021
49579997,1cyclictest3688-21grep08:00:160
49579996,1cyclictest21028-21kworker/0:007:50:080
49609987,1cyclictest0-21swapper/308:36:553
49609984,4cyclictest0-21swapper/307:24:253
49609984,4cyclictest0-21swapper/307:24:253
49599980,8cyclictest0-21swapper/208:05:422
49589981,6cyclictest0-21swapper/108:25:111
49609976,1cyclictest0-21swapper/307:45:123
49599975,1cyclictest3813-21kworker/2:008:50:012
49599971,5cyclictest0-21swapper/207:45:132
49589976,1cyclictest0-21swapper/108:51:421
49589970,6cyclictest0-21swapper/108:45:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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