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2026-04-22 - 04:53
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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 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1623021050,0sleep10-21swapper/100:26:281
160562950,0sleep00-21swapper/021:59:450
64622920,0sleep26463-21bash22:49:432
1798226024,18sleep30-21swapper/319:07:363
1821125923,8sleep00-21swapper/019:08:450
77682580,0sleep20-21swapper/200:19:482
248862570,1sleep01734-21runrttasks22:06:250
138962570,0sleep041ktimersoftd/021:38:370
270742560,0sleep20-21swapper/200:21:292
212292560,0sleep00-21swapper/021:54:160
34422540,1sleep33438-21bash21:43:373
108282540,1sleep00-21swapper/023:44:010
54422530,1sleep15435-21sshd23:55:241
297312530,1sleep229732-21sshd21:31:022
246102520,1sleep30-21swapper/322:18:273
95632510,1sleep39561-21sshd21:59:073
243112510,1sleep31596-21sshd00:18:173
252362500,1sleep025214-21sshd22:48:230
1817825028,18sleep20-21swapper/219:08:362
173082500,1sleep119-21rcuc/122:32:381
116792500,0sleep00-21swapper/023:29:070
319942490,0sleep20-21swapper/221:49:162
228992490,0sleep20-21swapper/223:21:032
1798924927,18sleep10-21swapper/119:07:381
123342490,0sleep10-21swapper/121:17:351
303242480,0sleep30-21swapper/300:09:523
91172470,0sleep39114-21bash22:34:573
185852470,1sleep00-21swapper/000:29:480
287532460,0sleep228750-21bash22:12:482
164272460,0sleep20-21swapper/223:41:262
147392460,0sleep214715-21sshd00:29:262
309122450,1sleep337-21rcuc/300:00:473
166022450,0sleep10-21swapper/122:11:391
211832440,1sleep121169-21sshd23:15:021
235052390,1sleep31734-21runrttasks23:18:113
186552390,0sleep10-21swapper/122:17:521
318322370,0sleep20-21swapper/222:36:572
73752250,0sleep00-21swapper/021:11:080
1871899240,2cyclictest0-21swapper/321:27:223
1871899210,20cyclictest0-21swapper/323:54:533
18718992018,1cyclictest0-21swapper/321:14:423
1871799200,19cyclictest0-21swapper/222:03:062
19652190,1sleep11946-21sshd23:46:061
18716991917,1cyclictest24604-21sshd23:36:111
18715991917,1cyclictest2763-21sshd22:10:210
1871599190,1cyclictest0-21swapper/023:23:030
204682170,1sleep120449-21sshd21:57:051
18716991712,1cyclictest21-21ksoftirqd/122:35:231
1871699170,1cyclictest25821-21diskmemload23:12:311
1871599175,2cyclictest31723-21kworker/0:021:40:310
18715991715,2cyclictest16527-21kworker/0:023:54:050
18715991715,1cyclictest489-21jbd2/dm-0-822:56:030
160472170,0sleep20-21swapper/200:11:262
317502160,0sleep10-21swapper/100:30:531
1871799168,1cyclictest0-21swapper/200:37:512
18717991614,1cyclictest0-21swapper/222:21:052
18716991614,1cyclictest10795-21sshd23:29:021
1871599169,4cyclictest0-21swapper/000:23:470
1871599165,11cyclictest709-21kworker/0:100:14:510
18715991614,1cyclictest32674-21rm00:19:050
1871599160,15cyclictest0-21swapper/023:31:310
1871599160,13cyclictest16060-21sshd21:20:500
130032160,0sleep20-21swapper/200:05:132
120452160,1sleep119-21rcuc/123:41:021
82312150,0sleep337-21rcuc/322:43:503
318462150,1sleep218713-21cyclictest23:06:572
222012150,0sleep30-21swapper/320:08:323
1871799151,13cyclictest0-21swapper/222:30:202
1871699155,1cyclictest21-21ksoftirqd/122:28:211
18716991513,1cyclictest21-21ksoftirqd/123:34:421
18716991513,1cyclictest21-21ksoftirqd/122:02:051
18716991513,1cyclictest21-21ksoftirqd/121:21:081
18716991512,1cyclictest21-21ksoftirqd/100:35:071
18716991511,1cyclictest21-21ksoftirqd/121:43:441
1871599159,5cyclictest0-21swapper/023:16:450
1871599155,9cyclictest23201-21bash23:00:120
1871599152,10cyclictest16444-21sshd22:50:290
18715991513,1cyclictest32412-21sshd23:06:590
18715991511,1cyclictest0-21swapper/022:32:000
1871599150,6cyclictest0-21swapper/021:48:500
1871599150,13cyclictest0-21swapper/021:26:480
81922140,0sleep20-21swapper/222:19:572
43952140,0sleep30-21swapper/323:43:243
235462140,0sleep30-21swapper/322:57:123
1871899148,5cyclictest1357-21sshd21:49:273
1871899143,10cyclictest26372-21sshd22:54:323
18718991412,1cyclictest8816-21sshd23:58:503
18718991410,1cyclictest17051-21sshd23:47:333
1871899140,13cyclictest2638-21sshd21:19:443
1871899140,13cyclictest0-21swapper/323:04:533
1871899140,13cyclictest0-21swapper/322:10:103
1871899140,13cyclictest0-21swapper/321:39:413
1871799148,5cyclictest0-21swapper/221:13:262
18717991413,1cyclictest0-21swapper/223:55:172
1871799140,13cyclictest9186-21sshd21:56:012
1871799140,13cyclictest0-21swapper/223:31:322
1871799140,13cyclictest0-21swapper/221:41:232
1871699149,4cyclictest0-21swapper/122:40:131
1871699149,3cyclictest0-21swapper/121:48:251
1871699144,9cyclictest21-21ksoftirqd/122:55:391
1871699144,9cyclictest21-21ksoftirqd/100:08:401
18716991413,1cyclictest21-21ksoftirqd/123:50:421
18716991413,1cyclictest21-21ksoftirqd/123:21:041
18716991413,1cyclictest21-21ksoftirqd/121:50:191
18716991413,1cyclictest21-21ksoftirqd/100:20:551
18716991413,1cyclictest21-21ksoftirqd/100:10:321
18716991413,1cyclictest19-21rcuc/122:47:381
18716991412,1cyclictest21-21ksoftirqd/122:51:261
18716991412,1cyclictest21-21ksoftirqd/121:10:441
18716991411,1cyclictest21-21ksoftirqd/121:38:371
18716991411,1cyclictest13870-21sshd23:08:191
1871699140,13cyclictest8932-21sshd22:22:561
1871699140,13cyclictest8443-21sshd23:04:531
1871599149,4cyclictest0-21swapper/022:36:050
1871599148,5cyclictest3210-21sshd23:46:140
1871599147,6cyclictest0-21swapper/022:43:190
18715991412,1cyclictest15648-21sshd00:02:250
18715991412,1cyclictest0-21swapper/022:26:300
18715991411,2cyclictest0-21swapper/022:15:070
18715991410,1cyclictest0-21swapper/022:00:060
1871599140,3cyclictest0-21swapper/022:21:520
1871599140,1cyclictest28984-21sshd00:30:370
1871599140,13cyclictest0-21swapper/023:35:280
1871599140,13cyclictest0-21swapper/021:30:200
1871599140,10cyclictest5867-21sshd00:07:320
17492140,0sleep11746-21bash22:07:181
1871899139,3cyclictest0-21swapper/322:26:073
1871899139,2cyclictest0-21swapper/322:23:183
1871899139,1cyclictest0-21swapper/323:28:363
1871899139,1cyclictest0-21swapper/323:12:573
1871899138,4cyclictest5203-21sshd21:22:533
1871899138,4cyclictest0-21swapper/322:02:263
18718991311,1cyclictest7758-21bash00:37:443
1871899131,11cyclictest0-21swapper/322:49:223
1871899131,11cyclictest0-21swapper/322:35:283
1871899130,4cyclictest0-21swapper/323:32:213
1871899130,4cyclictest0-21swapper/300:32:563
1871899130,12cyclictest32065-21bash00:25:033
1871899130,12cyclictest22247-21sshd23:06:013
1871899130,12cyclictest0-21swapper/323:35:343
1871899130,12cyclictest0-21swapper/321:30:183
1871899130,11cyclictest0-21swapper/321:52:503
1871899130,10cyclictest11460-21bash00:20:083
1871899130,10cyclictest0-21swapper/323:20:173
1871899130,10cyclictest0-21swapper/322:06:243
1871799139,3cyclictest0-21swapper/221:21:342
1871799132,1cyclictest10250irq/24-ahci[00023:02:222
18717991311,1cyclictest27882-21cp23:27:342
18717991311,1cyclictest21242-21sshd21:51:102
1871799131,11cyclictest0-21swapper/222:56:192
18717991310,2cyclictest0-21swapper/223:10:172
1871799130,4cyclictest2077-21sshd23:16:082
1871799130,4cyclictest1423-21bash22:52:102
1871799130,12cyclictest32301-21sshd22:25:092
1871799130,12cyclictest0-21swapper/223:50:192
1871799130,12cyclictest0-21swapper/222:41:082
1871799130,12cyclictest0-21swapper/222:06:202
1871799130,12cyclictest0-21swapper/221:35:262
1871799130,10cyclictest0-21swapper/221:28:572
1871699133,1cyclictest21-21ksoftirqd/121:31:591
18716991312,1cyclictest21-21ksoftirqd/121:26:191
18716991312,1cyclictest21-21ksoftirqd/100:17:091
18716991310,2cyclictest21-21ksoftirqd/100:00:411
1871599138,4cyclictest31645-21sshd21:19:250
1871599131,1cyclictest11139-21sshd00:35:060
1871599130,12cyclictest13810-21bash23:56:120
1871899129,2cyclictest0-21swapper/319:15:003
1871899123,8cyclictest0-21swapper/320:16:033
1871899121,2cyclictest0-21swapper/320:40:143
1871899121,10cyclictest0-21swapper/320:25:153
1871899121,10cyclictest0-21swapper/319:40:133
18718991210,1cyclictest3431-21sshd00:10:183
1871799129,2cyclictest0-21swapper/223:35:082
1871799129,2cyclictest0-21swapper/219:15:022
1871799129,2cyclictest0-21swapper/200:30:582
1871799129,2cyclictest0-21swapper/200:01:102
1871799128,4cyclictest0-21swapper/223:47:292
1871799126,5cyclictest0-21swapper/220:35:182
18717991210,1cyclictest13424-21sshd21:17:412
18716991211,1cyclictest21-21ksoftirqd/120:05:161
1871699120,11cyclictest0-21swapper/119:49:051
1871599129,2cyclictest0-21swapper/020:45:140
1871599120,1cyclictest8246-21sshd23:10:410
1871899111,9cyclictest0-21swapper/319:50:143
1871899110,1cyclictest0-21swapper/319:48:183
1871899110,11cyclictest0-21swapper/319:12:593
1871899110,10cyclictest0-21swapper/319:55:133
1871799119,1cyclictest0-21swapper/219:30:152
1871799112,8cyclictest0-21swapper/220:58:482
18717991110,1cyclictest0-21swapper/219:55:172
1871799110,10cyclictest26179-21diskstats20:15:142
1871799110,10cyclictest20498-21grep20:05:152
1871799110,10cyclictest0-21swapper/220:52:132
1871799110,10cyclictest0-21swapper/219:40:142
1871799110,10cyclictest0-21swapper/219:35:162
1871699118,2cyclictest23553-21sh20:10:161
18716991110,1cyclictest0-21swapper/121:00:101
1871699110,10cyclictest0-21swapper/120:48:181
1871699110,10cyclictest0-21swapper/119:22:071
1871599119,1cyclictest0-21swapper/020:40:140
1871599119,1cyclictest0-21swapper/020:10:150
1871599119,1cyclictest0-21swapper/019:10:130
1871599116,3cyclictest6185-21kworker/0:119:48:550
1871599111,7cyclictest31174-21latency_hist19:30:000
1871599110,2cyclictest0-21swapper/020:55:160
1871599110,10cyclictest23091-21cut19:15:150
1871899108,1cyclictest20569-21diskstats21:00:143
1871899101,8cyclictest0-21swapper/321:05:033
1871899100,9cyclictest29067-21fschecks_time19:25:133
1871899100,9cyclictest25837-21diskstats19:20:133
1871899100,9cyclictest2379-21diskstats19:35:143
1871899100,1cyclictest32107-21grep19:30:143
1871899100,1cyclictest17188-21cstates20:00:143
1871899100,1cyclictest14831-21fschecks_time20:50:153
1871799108,1cyclictest8217-21apache_volume20:40:122
1871799108,1cyclictest20769-21fschecks_time21:00:152
1871799100,9cyclictest29113-21fschecks_time19:25:142
1871799100,1cyclictest2982-21perl20:30:142
1871799100,1cyclictest26133-21fschecks_time19:20:152
1871799100,1cyclictest0-21swapper/220:20:142
1871799100,0cyclictest0-21swapper/220:45:152
1871699109,1cyclictest21-21ksoftirqd/120:25:151
1871699109,1cyclictest0-21swapper/120:50:151
1871699109,1cyclictest0-21swapper/120:15:061
1871699108,1cyclictest21740-21df19:15:001
1871699108,1cyclictest17574-21diskstats20:55:151
1871699100,9cyclictest5689-21conntrack19:40:151
1871699100,9cyclictest11517-21tune2fs19:50:151
1871699100,9cyclictest0-21swapper/121:05:161
1871699100,9cyclictest0-21swapper/120:40:131
1871699100,9cyclictest0-21swapper/120:35:161
1871599107,3cyclictest6185-21kworker/0:119:52:490
1871599105,2cyclictest6185-21kworker/0:119:40:220
1871599100,9cyclictest17253-21diskstats20:00:150
1871599100,9cyclictest0-21swapper/020:35:160
1871599100,9cyclictest0-21swapper/020:15:130
1871599100,8cyclictest0-21swapper/020:30:130
1871599100,1cyclictest20468-21fschecks_time20:05:160
1871599100,1cyclictest0-21swapper/019:55:150
187189999,0cyclictest0-21swapper/320:35:083
187189998,1cyclictest0-21swapper/320:34:193
187179998,1cyclictest0-21swapper/220:00:452
187179998,1cyclictest0-21swapper/219:45:132
187179991,5cyclictest0-21swapper/219:51:472
187179990,9cyclictest0-21swapper/220:10:142
187169998,1cyclictest0-21swapper/119:14:201
187169997,1cyclictest29499-21fw_conntrack20:20:151
187169990,9cyclictest0-21swapper/119:55:141
187169990,1cyclictest0-21swapper/120:30:131
187169990,1cyclictest0-21swapper/120:00:151
187159997,2cyclictest6185-21kworker/0:119:38:400
187159997,2cyclictest22507-21kworker/0:021:00:070
187159997,1cyclictest22507-21kworker/0:021:06:550
187159997,1cyclictest22507-21kworker/0:020:50:090
187159996,3cyclictest6185-21kworker/0:119:31:200
187159993,3cyclictest25387-21apache_accesses19:20:110
187159990,9cyclictest0-21swapper/020:25:130
187159990,7cyclictest29514-21hddtemp_smartct20:20:160
187189981,6cyclictest0-21swapper/320:55:133
187179987,1cyclictest0-21swapper/219:10:492
187179981,6cyclictest0-21swapper/220:25:112
187169980,7cyclictest0-21swapper/119:30:151
187169980,6cyclictest0-21swapper/119:25:151
187189975,1cyclictest29680-21latency20:20:183
187189975,1cyclictest11185-21apache_processe20:45:113
187189971,5cyclictest0-21swapper/320:10:173
187179970,6cyclictest0-21swapper/221:05:172
187169970,6cyclictest0-21swapper/119:35:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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