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2026-05-01 - 22:26
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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 rack1slot1.osadl.org (updated Fri May 01, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195362210177,22sleep30-21swapper/307:05:543
198502209149,21sleep00-21swapper/007:09:570
196112206149,21sleep10-21swapper/107:06:541
195452199160,26sleep20-21swapper/207:06:012
137192640,0sleep20-21swapper/209:10:142
1994299140,12cyclictest0-21swapper/209:45:152
19927991412,1cyclictest9-21ksoftirqd/011:25:000
128672140,0sleep10-21swapper/109:10:011
19927991312,1cyclictest9-21ksoftirqd/007:54:590
1992799130,12cyclictest0-21swapper/008:15:180
19951991211,1cyclictest35-21ksoftirqd/307:50:003
19942991211,1cyclictest28-21ksoftirqd/210:50:012
19927991211,0cyclictest9-21ksoftirqd/009:34:590
1995199119,1cyclictest35-21ksoftirqd/311:19:593
1995199119,1cyclictest35-21ksoftirqd/310:15:133
1995199111,7cyclictest21781-21hwlatdetect09:20:133
19942991110,1cyclictest28-21ksoftirqd/208:20:012
1994299110,10cyclictest0-21swapper/210:09:022
1994299110,0cyclictest0-21swapper/212:09:492
1992799119,1cyclictest9-21ksoftirqd/012:35:000
1992799119,1cyclictest9-21ksoftirqd/012:05:200
1992799119,1cyclictest9-21ksoftirqd/010:35:150
19927991110,1cyclictest9-21ksoftirqd/009:10:000
1995199109,1cyclictest35-21ksoftirqd/312:15:003
1995199109,1cyclictest35-21ksoftirqd/310:00:003
1995199109,1cyclictest35-21ksoftirqd/309:30:003
1995199109,1cyclictest35-21ksoftirqd/309:10:003
1995199108,1cyclictest35-21ksoftirqd/310:05:013
1994299108,1cyclictest28-21ksoftirqd/207:20:002
1994299100,5cyclictest61650irq/122-eno110:20:112
1992799109,1cyclictest9-21ksoftirqd/012:15:140
1992799109,1cyclictest9-21ksoftirqd/011:50:190
1992799109,1cyclictest9-21ksoftirqd/010:35:000
1992799109,1cyclictest9-21ksoftirqd/007:30:110
1992799108,1cyclictest9-21ksoftirqd/012:00:010
1992799108,1cyclictest9-21ksoftirqd/012:00:010
1992799107,1cyclictest9-21ksoftirqd/012:30:000
199519999,0cyclictest35-21ksoftirqd/312:00:113
199519998,1cyclictest35-21ksoftirqd/312:40:013
199519998,1cyclictest35-21ksoftirqd/311:35:133
199519998,1cyclictest35-21ksoftirqd/310:20:133
199519991,6cyclictest22956-21apt-get10:05:113
199429998,1cyclictest693-21runrttasks10:32:462
199429997,1cyclictest28-21ksoftirqd/210:55:012
199429990,9cyclictest0-21swapper/211:43:082
199369990,2cyclictest0-21swapper/111:20:111
199279999,0cyclictest9-21ksoftirqd/009:12:150
199279998,1cyclictest9-21ksoftirqd/011:45:140
199279998,1cyclictest9-21ksoftirqd/010:05:150
199279997,1cyclictest9-21ksoftirqd/012:35:120
199279997,1cyclictest9-21ksoftirqd/012:00:120
199279997,1cyclictest9-21ksoftirqd/011:30:090
199279997,1cyclictest9-21ksoftirqd/010:40:130
199279997,1cyclictest9-21ksoftirqd/009:00:000
199279997,1cyclictest9-21ksoftirqd/007:15:010
199279993,5cyclictest1624-21latency_hist10:20:010
199279990,7cyclictest20921-21apt-get10:45:100
199519988,0cyclictest35-21ksoftirqd/311:00:013
199519987,1cyclictest35-21ksoftirqd/312:19:593
199519987,1cyclictest35-21ksoftirqd/310:45:123
199519987,1cyclictest35-21ksoftirqd/310:25:153
199519986,1cyclictest35-21ksoftirqd/312:25:133
199519986,1cyclictest35-21ksoftirqd/309:15:163
199519986,1cyclictest35-21ksoftirqd/309:15:163
199519986,1cyclictest35-21ksoftirqd/308:15:113
199519980,4cyclictest0-21swapper/312:20:103
199429987,1cyclictest28-21ksoftirqd/209:45:002
199429987,1cyclictest28-21ksoftirqd/207:25:012
199429987,1cyclictest28-21ksoftirqd/207:25:002
199429986,1cyclictest61650irq/122-eno112:15:182
199429986,1cyclictest61650irq/122-eno108:05:152
199429984,2cyclictest240-21systemd-journal11:25:002
199429980,4cyclictest14182-21smartctl10:35:132
199369980,1cyclictest0-21swapper/112:25:121
199279988,0cyclictest9-21ksoftirqd/011:05:150
199279987,1cyclictest9-21ksoftirqd/012:20:140
199279987,1cyclictest9-21ksoftirqd/011:25:210
199279987,1cyclictest9-21ksoftirqd/010:55:180
199279986,1cyclictest9-21ksoftirqd/011:35:120
199279986,1cyclictest9-21ksoftirqd/010:22:130
199279986,1cyclictest9-21ksoftirqd/009:50:180
199279986,1cyclictest9-21ksoftirqd/009:45:180
199279986,1cyclictest9-21ksoftirqd/009:00:140
199279980,7cyclictest3550-21ssh09:39:130
199279980,7cyclictest26980-21ssh10:51:500
199279980,7cyclictest20212-21/usr/sbin/munin10:00:150
199519977,0cyclictest35-21ksoftirqd/308:45:003
199519977,0cyclictest35-21ksoftirqd/307:20:013
199519976,1cyclictest35-21ksoftirqd/311:00:133
199519976,1cyclictest35-21ksoftirqd/310:35:123
199519976,1cyclictest35-21ksoftirqd/308:50:003
199519976,1cyclictest35-21ksoftirqd/308:05:003
199519976,0cyclictest35-21ksoftirqd/312:30:133
199519976,0cyclictest35-21ksoftirqd/311:45:003
199519975,1cyclictest35-21ksoftirqd/310:10:123
199519975,1cyclictest35-21ksoftirqd/309:05:013
199519975,1cyclictest35-21ksoftirqd/307:20:123
199519975,1cyclictest35-21ksoftirqd/307:20:113
199519972,5cyclictest22338-21munin-node07:59:423
199519972,1cyclictest19977-21/usr/sbin/munin11:25:173
199519970,4cyclictest0-21swapper/310:34:153
199519970,1cyclictest4919-21apt11:50:013
199519970,1cyclictest0-21swapper/309:40:103
199429976,1cyclictest61650irq/122-eno112:22:212
199429976,1cyclictest61650irq/122-eno111:50:112
199429976,1cyclictest61650irq/122-eno111:16:152
199429976,0cyclictest61650irq/122-eno110:59:222
199429975,1cyclictest61650irq/122-eno109:35:152
199429973,2cyclictest548-21systemd-logind12:00:182
199429970,6cyclictest0-21swapper/208:44:592
199429970,5cyclictest2491-21munin-node07:10:432
199429970,5cyclictest10704-21apt-get09:05:122
199429970,4cyclictest0-21swapper/211:28:172
199429970,2cyclictest0-21swapper/210:25:112
199369970,5cyclictest0-21swapper/109:00:121
199369970,2cyclictest0-21swapper/109:20:091
199279976,1cyclictest9-21ksoftirqd/011:10:130
199279976,1cyclictest9-21ksoftirqd/009:55:140
199279975,1cyclictest9-21ksoftirqd/011:15:130
199279975,1cyclictest9-21ksoftirqd/009:25:060
199279975,1cyclictest9-21ksoftirqd/008:15:000
199279975,1cyclictest9-21ksoftirqd/007:39:590
199279975,1cyclictest0-21swapper/009:40:120
199279972,4cyclictest22338-21munin-node08:43:580
199279972,2cyclictest27737-21munin-run07:25:000
199279972,2cyclictest27737-21munin-run07:25:000
199279972,2cyclictest240-21systemd-journal08:30:010
199279971,5cyclictest16919-21ssh09:15:120
199279971,5cyclictest16919-21ssh09:15:110
199279970,6cyclictest21116-21ssh12:10:140
199279970,1cyclictest32154-21ssh11:00:060
199279970,1cyclictest12821-21diskmemload11:42:490
7204260,1sleep10-21swapper/111:50:571
199519965,1cyclictest5142-21ssh11:50:013
199519965,1cyclictest35-21ksoftirqd/309:10:133
199519965,1cyclictest35-21ksoftirqd/308:55:133
199519965,1cyclictest35-21ksoftirqd/308:50:133
199519965,1cyclictest30070-21ssh09:30:183
199519965,1cyclictest2599-21ssh09:36:353
199519965,1cyclictest10158-21ssh09:46:403
199519964,1cyclictest35-21ksoftirqd/312:05:133
199519964,1cyclictest35-21ksoftirqd/310:50:153
199519964,1cyclictest35-21ksoftirqd/307:14:513
199519963,1cyclictest35-21ksoftirqd/308:14:443
199519962,2cyclictest240-21systemd-journal11:13:203
199519962,2cyclictest16545-21idleruntime-cro08:10:013
199519962,1cyclictest25257-21/usr/sbin/munin08:25:193
199519962,1cyclictest240-21systemd-journal08:30:303
199519961,1cyclictest9992-21memory11:55:163
199519961,1cyclictest9992-21memory11:55:153
199519960,4cyclictest240-21systemd-journal09:55:003
199519960,2cyclictest0-21swapper/310:40:113
199429966,0cyclictest61650irq/122-eno112:35:162
199429966,0cyclictest61650irq/122-eno112:25:072
199429966,0cyclictest61650irq/122-eno112:10:212
199429966,0cyclictest61650irq/122-eno111:56:182
199429966,0cyclictest61650irq/122-eno111:56:172
199429966,0cyclictest61650irq/122-eno111:45:542
199429966,0cyclictest61650irq/122-eno111:30:172
199429966,0cyclictest61650irq/122-eno111:00:142
199429966,0cyclictest61650irq/122-eno110:40:022
199429966,0cyclictest61650irq/122-eno110:15:092
199429966,0cyclictest61650irq/122-eno110:10:202
199429966,0cyclictest61650irq/122-eno110:00:092
199429966,0cyclictest61650irq/122-eno109:15:172
199429966,0cyclictest61650irq/122-eno109:15:172
199429966,0cyclictest61650irq/122-eno108:50:402
199429966,0cyclictest61650irq/122-eno108:46:342
199429966,0cyclictest61650irq/122-eno108:20:312
199429966,0cyclictest61650irq/122-eno108:10:142
199429966,0cyclictest61650irq/122-eno107:55:192
199429966,0cyclictest61650irq/122-eno107:45:122
199429966,0cyclictest61650irq/122-eno107:35:432
199429966,0cyclictest61650irq/122-eno107:28:592
199429966,0cyclictest28-21ksoftirqd/209:01:502
199429965,1cyclictest61650irq/122-eno111:35:132
199429965,1cyclictest61650irq/122-eno111:11:322
199429965,1cyclictest61650irq/122-eno109:56:072
199429965,1cyclictest61650irq/122-eno109:20:102
199429965,1cyclictest3473-21ssh11:05:052
199429965,1cyclictest28-21ksoftirqd/207:55:002
199429965,1cyclictest13823-21ssh09:51:222
199429964,1cyclictest61650irq/122-eno109:30:112
199429964,1cyclictest61650irq/122-eno109:25:112
199429964,1cyclictest61650irq/122-eno108:00:142
199429964,1cyclictest28-21ksoftirqd/208:30:122
199429960,2cyclictest0-21swapper/212:30:112
199369966,0cyclictest0-21swapper/112:30:551
199369965,1cyclictest0-21swapper/109:45:161
199369961,4cyclictest0-21swapper/109:18:451
199369961,4cyclictest0-21swapper/109:18:451
199369960,6cyclictest0-21swapper/110:30:131
199369960,6cyclictest0-21swapper/109:58:131
199369960,5cyclictest0-21swapper/111:15:161
199369960,4cyclictest0-21swapper/109:30:161
199369960,3cyclictest0-21swapper/111:00:141
199369960,1cyclictest0-21swapper/109:29:061
199279966,0cyclictest9-21ksoftirqd/010:10:150
199279965,1cyclictest9-21ksoftirqd/009:20:120
199279965,1cyclictest9-21ksoftirqd/007:45:150
199279964,1cyclictest9-21ksoftirqd/007:55:180
199279963,1cyclictest548-21systemd-logind07:40:170
199279961,2cyclictest240-21systemd-journal08:25:010
199279960,6cyclictest0-21swapper/008:45:510
199279960,6cyclictest0-21swapper/008:35:190
199279960,5cyclictest101rcuc/007:10:140
199279960,5cyclictest0-21swapper/007:25:130
199279960,2cyclictest0-21swapper/008:05:120
199279960,0cyclictest0-21swapper/010:25:170
199279960,0cyclictest0-21swapper/008:50:120
199519955,0cyclictest35-21ksoftirqd/307:35:133
199519955,0cyclictest0-21swapper/311:06:403
199519954,1cyclictest35-21ksoftirqd/308:20:133
199519954,1cyclictest35-21ksoftirqd/307:50:143
199519954,1cyclictest35-21ksoftirqd/307:25:123
199519953,1cyclictest2617-21taskset07:40:083
199519951,2cyclictest0-21swapper/308:35:103
199519950,1cyclictest240-21systemd-journal07:35:013
199519950,1cyclictest22543-21sh11:30:093
199519950,1cyclictest0-21swapper/311:20:173
199429955,0cyclictest61650irq/122-eno108:25:162
199429954,1cyclictest28-21ksoftirqd/208:35:442
199429953,1cyclictest4311-21grep07:40:202
199429950,4cyclictest0-21swapper/207:30:112
199429950,1cyclictest5770-21/usr/sbin/munin08:55:192
199369955,0cyclictest0-21swapper/107:43:001
199369955,0cyclictest0-21swapper/107:32:271
199369955,0cyclictest0-21swapper/107:21:381
199369955,0cyclictest0-21swapper/107:21:381
199369952,1cyclictest0-21swapper/112:10:181
199369952,1cyclictest0-21swapper/108:25:111
199369951,2cyclictest23497-21chrt10:47:321
199369951,2cyclictest0-21swapper/111:35:111
199369951,2cyclictest0-21swapper/110:25:121
199369951,2cyclictest0-21swapper/108:05:111
199369951,2cyclictest0-21swapper/107:45:161
199369951,1cyclictest0-21swapper/112:21:591
199369950,5cyclictest0-21swapper/110:22:491
199369950,5cyclictest0-21swapper/108:59:411
199369950,5cyclictest0-21swapper/108:24:531
199369950,4cyclictest0-21swapper/112:16:501
199369950,4cyclictest0-21swapper/109:12:131
199369950,3cyclictest0-21swapper/111:10:141
199369950,3cyclictest0-21swapper/110:50:101
199369950,3cyclictest0-21swapper/110:44:111
199369950,3cyclictest0-21swapper/109:53:031
199369950,2cyclictest0-21swapper/112:05:511
199369950,2cyclictest0-21swapper/109:36:201
199369950,1cyclictest0-21swapper/112:00:111
199369950,1cyclictest0-21swapper/111:56:481
199369950,1cyclictest0-21swapper/111:56:481
199369950,1cyclictest0-21swapper/111:45:201
199369950,1cyclictest0-21swapper/111:41:071
199369950,1cyclictest0-21swapper/111:25:091
199369950,1cyclictest0-21swapper/110:35:191
199369950,1cyclictest0-21swapper/108:00:101
199369950,1cyclictest0-21swapper/107:35:171
199369950,0cyclictest0-21swapper/110:16:531
199369950,0cyclictest0-21swapper/110:10:571
199279953,1cyclictest23872-21cut08:25:100
199279950,1cyclictest0-21swapper/008:00:110
199369944,0cyclictest0-21swapper/108:15:131
199369944,0cyclictest0-21swapper/107:28:501
199369942,2cyclictest0-21swapper/108:40:191
199369941,2cyclictest0-21swapper/110:05:111
199369941,2cyclictest0-21swapper/108:30:181
199369941,2cyclictest0-21swapper/108:10:121
199369941,2cyclictest0-21swapper/107:55:131
199369941,1cyclictest0-21swapper/110:55:141
199369941,1cyclictest0-21swapper/108:45:201
199369940,4cyclictest0-21swapper/107:55:001
199369940,3cyclictest19155-21taskset10:00:061
199369940,2cyclictest0-21swapper/111:30:171
199369940,2cyclictest0-21swapper/109:41:131
199369940,2cyclictest0-21swapper/107:10:181
199369940,1cyclictest0-21swapper/107:15:201
199369940,0cyclictest0-21swapper/112:35:081
199369940,0cyclictest0-21swapper/111:05:181
199369940,0cyclictest0-21swapper/108:35:131
199369930,1cyclictest0-21swapper/108:50:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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