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2026-08-27 - 01:01
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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 Wed Aug 26, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290582950,0sleep119-21rcuc/112:08:051
270942840,0sleep327073-21sshd11:13:033
188702840,0sleep00-21swapper/010:28:560
209242800,0sleep00-21swapper/010:14:420
122652590,0sleep10-21swapper/109:39:181
323692580,1sleep132350-21sshd11:10:331
8242570,0sleep30-21swapper/310:21:303
67552570,0sleep26750-21sshd10:27:512
1308825731,22sleep20-21swapper/207:07:112
218242560,0sleep30-21swapper/312:16:043
145442540,1sleep214537-21bash09:16:242
72232530,0sleep07209-21sshd09:44:380
323252530,1sleep21866-21runrttasks09:38:112
203412530,1sleep16279-21diskmemload12:33:251
136012530,1sleep013577-21sshd11:03:110
1324825331,18sleep00-21swapper/007:09:060
104792530,1sleep210476-21sshd09:44:562
73202520,0sleep06279-21diskmemload12:03:150
291312520,1sleep029122-21sshd10:47:110
1329825231,18sleep30-21swapper/307:09:453
84742510,1sleep10-21swapper/110:10:351
38582510,0sleep20-21swapper/212:11:352
211772510,0sleep00-21swapper/009:19:580
98412490,0sleep30-21swapper/309:59:153
98412490,0sleep30-21swapper/309:59:153
203122490,0sleep10-21swapper/112:13:061
1117724926,19sleep10-21swapper/107:05:011
106752490,1sleep310664-21sshd12:38:203
42682480,0sleep20-21swapper/211:51:242
318022480,0sleep339-21ksoftirqd/309:23:463
134192480,0sleep10-21swapper/109:45:111
47112460,0sleep00-21swapper/012:23:180
161732460,0sleep016166-21sshd09:25:150
93102440,0sleep10-21swapper/112:35:171
226922440,1sleep01357899cyclictest10:43:470
91682360,0sleep29167-21bash09:50:252
91682360,0sleep29167-21bash09:50:252
106732270,0sleep310677-21bash11:57:463
265862240,0sleep026583-21sshd11:27:220
226602220,1sleep022653-21sshd09:48:510
13579992220,1cyclictest4158-21sshd12:20:191
153662200,1sleep16279-21diskmemload10:20:001
38992190,6sleep121-21ksoftirqd/110:24:451
216792190,1sleep121640-21sshd10:32:021
1358099199,10cyclictest17075-21kworker/2:210:16:572
141362180,0sleep014130-21sshd11:11:520
13581991815,2cyclictest0-21swapper/312:08:183
1357999186,5cyclictest20393-21sshd09:16:551
1357899188,7cyclictest0-21swapper/012:05:380
189342170,0sleep228-21rcuc/207:20:012
1357899179,4cyclictest5825-21sshd10:16:100
1357899170,16cyclictest0-21swapper/012:10:110
1357899170,16cyclictest0-21swapper/009:55:290
1357899170,16cyclictest0-21swapper/009:55:290
1357899170,16cyclictest0-21swapper/007:35:140
321742160,0sleep10-21swapper/110:01:091
287752160,0sleep228777-21id10:06:392
287752160,0sleep228777-21id10:06:392
198332160,1sleep10-21swapper/109:11:051
181502160,1sleep30-21swapper/311:46:523
172502160,0sleep00-21swapper/011:32:190
138202160,1sleep20-21swapper/211:55:122
1358099160,15cyclictest1741-21sshd11:28:032
13579991613,1cyclictest21-21ksoftirqd/110:44:301
1357999160,15cyclictest0-21swapper/112:15:301
1357899169,4cyclictest0-21swapper/012:18:110
1357899161,4cyclictest0-21swapper/011:18:590
1357899161,14cyclictest0-21swapper/009:05:120
1357899160,1cyclictest7519-21sshd11:54:390
1357899160,15cyclictest0-21swapper/011:35:280
118082160,0sleep1201ktimersoftd/111:08:481
94062150,0sleep30-21swapper/310:42:333
44052150,0sleep20-21swapper/211:39:542
253122150,1sleep125311-21sshd11:24:261
190512150,1sleep019052-21bash11:46:560
137722150,0sleep00-21swapper/012:38:370
1358199159,5cyclictest0-21swapper/310:36:183
1358199158,6cyclictest0-21swapper/312:25:573
1358199150,6cyclictest0-21swapper/312:04:453
1358099155,9cyclictest6312-21sshd12:03:102
13580991512,2cyclictest23374-21kworker/2:012:26:472
1358099150,14cyclictest10172-21munin-run08:10:002
1358099150,14cyclictest0-21swapper/209:48:112
1357999159,2cyclictest3586-21sshd09:29:551
1357999158,1cyclictest21-21ksoftirqd/111:18:521
1357999155,1cyclictest201ktimersoftd/109:51:591
1357999155,1cyclictest201ktimersoftd/109:51:591
13579991512,1cyclictest21-21ksoftirqd/109:56:351
13579991512,1cyclictest21-21ksoftirqd/109:56:351
1357999150,5cyclictest20429-21sshd11:03:481
1357999150,3cyclictest27410-21sshd11:39:021
1357999150,11cyclictest0-21swapper/111:59:301
1357999150,11cyclictest0-21swapper/111:46:191
1357899158,4cyclictest0-21swapper/009:10:350
1357899154,9cyclictest0-21swapper/009:36:350
1357899151,3cyclictest0-21swapper/009:30:090
1357899150,1cyclictest5759-21sshd10:36:240
1357899150,1cyclictest26092-21bash09:51:590
1357899150,1cyclictest26092-21bash09:51:590
1357899150,1cyclictest25302-21bash09:20:160
1357899150,14cyclictest31793-21bash10:01:070
1357899150,14cyclictest0-21swapper/011:55:450
1357899150,14cyclictest0-21swapper/010:50:510
1357899150,12cyclictest0-21swapper/010:56:030
1358199148,5cyclictest0-21swapper/312:23:153
13581991413,1cyclictest0-21swapper/309:26:473
13581991412,2cyclictest0-21swapper/307:11:023
1358199140,13cyclictest20285-21bash10:29:043
1358099149,2cyclictest0-21swapper/210:02:232
13580991412,1cyclictest1489-21kworker/2:209:29:232
1358099140,13cyclictest18934-21bash12:30:212
1357999147,3cyclictest0-21swapper/110:29:171
1357999146,5cyclictest24270-21sshd12:01:501
1357999142,2cyclictest6279-21diskmemload09:20:201
1357999141,9cyclictest10449-21sshd11:40:211
13579991413,1cyclictest21-21ksoftirqd/112:25:111
13579991413,1cyclictest21-21ksoftirqd/110:48:101
13579991413,1cyclictest21-21ksoftirqd/110:06:161
13579991413,1cyclictest21-21ksoftirqd/110:06:161
1357999140,6cyclictest8954-21cp09:33:121
1357999140,13cyclictest0-21swapper/111:33:141
1357999140,13cyclictest0-21swapper/111:26:071
1357899148,3cyclictest9992-21cut11:20:130
1357899147,6cyclictest0-21swapper/011:41:300
1357899147,6cyclictest0-21swapper/010:23:420
1357899141,12cyclictest0-21swapper/011:05:080
13578991410,3cyclictest24948-21sshd10:32:200
13578991410,1cyclictest15944-21sshd10:05:280
13578991410,1cyclictest15944-21sshd10:05:280
1357899140,13cyclictest0-21swapper/012:26:120
1357899140,11cyclictest24241-21sshd12:30:480
1358199139,1cyclictest12150irq/23-ehci_hcd10:10:283
1358199134,9cyclictest39-21ksoftirqd/312:30:393
1358199133,1cyclictest2613-21bash10:47:433
1358199131,11cyclictest0-21swapper/310:56:093
13581991310,2cyclictest31059-21sshd11:22:013
1358199130,1cyclictest25828-21bash09:14:373
1358199130,12cyclictest7361-21sshd11:25:363
1358199130,12cyclictest6020-21bash10:30:353
1358199130,12cyclictest29866-21sshd11:16:073
1358199130,12cyclictest12263-21bash09:45:053
1358199130,12cyclictest0-21swapper/312:12:023
1358199130,12cyclictest0-21swapper/311:36:513
1358199130,12cyclictest0-21swapper/311:07:513
1358199130,12cyclictest0-21swapper/310:50:153
1358199130,12cyclictest0-21swapper/310:01:183
1358199130,12cyclictest0-21swapper/309:40:173
1358199130,10cyclictest20788-21bash09:54:273
1358199130,10cyclictest20788-21bash09:54:273
1358099138,4cyclictest0-21swapper/210:23:432
1358099138,2cyclictest13014-21sshd12:35:342
13580991311,2cyclictest0-21swapper/209:58:172
13580991311,2cyclictest0-21swapper/209:58:172
13580991311,1cyclictest3459-21kworker/2:311:07:022
13580991311,1cyclictest1707-21sshd09:30:042
13580991310,1cyclictest21190-21kworker/2:011:00:062
1358099130,4cyclictest6373-21sshd11:45:472
1358099130,2cyclictest365-21sshd10:53:212
1358099130,13cyclictest0-21swapper/210:58:072
1358099130,13cyclictest0-21swapper/208:24:052
1358099130,12cyclictest5918-21bash10:30:352
1358099130,12cyclictest0-21swapper/212:15:012
1358099130,12cyclictest0-21swapper/211:41:532
1358099130,12cyclictest0-21swapper/211:21:262
1358099130,12cyclictest0-21swapper/210:38:382
1357999138,1cyclictest19173-21sshd09:42:461
1357999132,1cyclictest27850-21bash10:35:261
1357999131,5cyclictest13759-21sshd11:52:161
1357999131,1cyclictest28949-21sshd10:52:591
1357999130,12cyclictest201ktimersoftd/110:55:031
1357899131,11cyclictest0-21swapper/007:40:150
1358199129,2cyclictest0-21swapper/310:06:583
1358199129,2cyclictest0-21swapper/310:06:583
1358199129,2cyclictest0-21swapper/309:15:443
1358199129,2cyclictest0-21swapper/308:35:133
1358199129,2cyclictest0-21swapper/308:25:163
1358199129,2cyclictest0-21swapper/307:45:143
1358199129,2cyclictest0-21swapper/307:30:193
1358199129,2cyclictest0-21swapper/307:20:123
1358199128,3cyclictest0-21swapper/310:15:053
1358199128,1cyclictest0-21swapper/311:40:293
1358199121,2cyclictest0-21swapper/308:30:103
1358199121,2cyclictest0-21swapper/307:15:023
1358199121,10cyclictest0-21swapper/308:50:133
1358199121,10cyclictest0-21swapper/308:10:153
1358199121,10cyclictest0-21swapper/308:00:143
1358199120,9cyclictest0-21swapper/309:30:043
1358199120,11cyclictest0-21swapper/311:50:103
1358199120,11cyclictest0-21swapper/311:30:223
1358199120,11cyclictest0-21swapper/311:00:323
1358199120,10cyclictest0-21swapper/309:36:123
1358099129,2cyclictest0-21swapper/212:20:042
1358099129,2cyclictest0-21swapper/211:11:112
1358099129,2cyclictest0-21swapper/209:11:172
1358099129,2cyclictest0-21swapper/208:15:202
1358099129,2cyclictest0-21swapper/208:00:112
1358099129,2cyclictest0-21swapper/207:35:142
1358099128,3cyclictest0-21swapper/212:05:282
1358099128,1cyclictest0-21swapper/210:10:492
1358099127,4cyclictest26632-21bash11:30:162
1358099122,1cyclictest30180-21sshd09:20:392
13580991211,1cyclictest20394-21kworker/2:008:48:322
1358099121,10cyclictest0-21swapper/210:49:232
1358099121,10cyclictest0-21swapper/209:05:172
1358099120,1cyclictest0-21swapper/211:15:082
1358099120,11cyclictest0-21swapper/210:40:312
1358099120,11cyclictest0-21swapper/207:30:152
1357999129,2cyclictest0-21swapper/108:20:191
1357999123,9cyclictest21-21ksoftirqd/107:15:001
1357999121,10cyclictest0-21swapper/108:50:131
1357999121,10cyclictest0-21swapper/108:35:221
1357999121,10cyclictest0-21swapper/107:50:131
1357999120,11cyclictest0-21swapper/108:00:141
1357899129,2cyclictest0-21swapper/008:20:140
1357899129,2cyclictest0-21swapper/007:30:110
1357899120,11cyclictest0-21swapper/009:00:230
1357899120,11cyclictest0-21swapper/008:05:150
1358199118,2cyclictest0-21swapper/308:45:213
1358199118,2cyclictest0-21swapper/307:25:133
1358199110,10cyclictest0-21swapper/309:05:203
1358199110,10cyclictest0-21swapper/308:05:113
1358099119,1cyclictest0-21swapper/208:55:132
1358099119,1cyclictest0-21swapper/207:50:182
1358099118,2cyclictest0-21swapper/207:45:212
1358099110,2cyclictest0-21swapper/208:50:152
1358099110,11cyclictest0-21swapper/208:37:202
1358099110,10cyclictest0-21swapper/208:40:132
1358099110,10cyclictest0-21swapper/208:25:132
1358099110,10cyclictest0-21swapper/208:10:132
1358099110,10cyclictest0-21swapper/207:55:142
1358099110,10cyclictest0-21swapper/207:40:162
1358099110,10cyclictest0-21swapper/207:20:152
1357999119,1cyclictest24169-21df07:30:131
1357999111,9cyclictest201ktimersoftd/107:45:191
1357999111,1cyclictest3242-21apache_processe07:55:111
1357999111,1cyclictest201ktimersoftd/107:20:121
1357999110,10cyclictest17511-21apache_processe08:25:121
1357999110,10cyclictest0-21swapper/109:00:151
1357999110,10cyclictest0-21swapper/108:55:151
1357999110,10cyclictest0-21swapper/108:45:111
1357999110,10cyclictest0-21swapper/108:40:121
1357999110,10cyclictest0-21swapper/108:15:171
1357999110,10cyclictest0-21swapper/108:08:061
1357899118,2cyclictest0-21swapper/007:50:120
1357899118,2cyclictest0-21swapper/007:45:130
1357899110,2cyclictest0-21swapper/008:15:130
1357899110,10cyclictest5644-21apache_processe08:00:110
1357899110,10cyclictest25390-21perl08:40:140
1357899110,10cyclictest0-21swapper/008:45:160
1357899110,10cyclictest0-21swapper/008:30:120
1357899110,10cyclictest0-21swapper/007:25:130
1358199108,1cyclictest1536-21perl07:50:163
1358199108,1cyclictest15142-21apache_volume08:20:113
1358199108,1cyclictest0-21swapper/309:00:213
1358199100,9cyclictest32189-21diskstats08:55:163
1358199100,9cyclictest29322-21hddtemp_smartct07:40:163
1358199100,9cyclictest0-21swapper/307:35:113
1358199100,1cyclictest25077-21diskstats08:40:133
1358199100,1cyclictest13920-21grep08:15:193
1358099109,1cyclictest20394-21kworker/2:007:25:112
1358099108,1cyclictest0-21swapper/207:10:162
1358099100,1cyclictest0-21swapper/208:34:532
1358099100,10cyclictest0-21swapper/209:00:172
1357999109,1cyclictest0-21swapper/108:11:561
1357999100,9cyclictest0-21swapper/109:05:181
1357999100,1cyclictest29202-21perl07:40:151
1357999100,1cyclictest0-21swapper/108:34:591
1357999100,1cyclictest0-21swapper/107:25:161
1357999100,1cyclictest0-21swapper/107:10:141
1357899109,1cyclictest0-21swapper/008:25:230
1357899108,1cyclictest3623-21df07:55:130
1357899108,1cyclictest20038-21memory07:20:180
1357899108,1cyclictest10834-21diskstats08:10:140
1357899100,9cyclictest14875-21ntp_states07:10:200
1357899100,9cyclictest0-21swapper/008:50:190
1357899100,9cyclictest0-21swapper/008:35:130
1357899100,1cyclictest31749-21apache_processe08:55:130
1357899100,10cyclictest0-21swapper/007:15:200
135819990,9cyclictest0-21swapper/307:55:133
135799998,1cyclictest0-21swapper/107:35:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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