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2026-06-27 - 21:43
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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 rack1slot1.osadl.org (updated Sat Jun 27, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183772236162,60sleep20-21swapper/207:08:472
183462214152,49sleep30-21swapper/307:08:243
183662205166,25sleep10-21swapper/107:08:381
184102198160,24sleep00-21swapper/007:09:130
138962680,0sleep10-21swapper/109:12:401
198692600,0sleep10-21swapper/110:49:131
18584991616,0cyclictest28-21ksoftirqd/211:14:482
229312150,0sleep20-21swapper/211:35:522
229312150,0sleep20-21swapper/211:35:522
18584991412,1cyclictest28-21ksoftirqd/212:15:162
18584991313,0cyclictest28-21ksoftirqd/211:45:212
18584991312,1cyclictest28-21ksoftirqd/212:35:432
18584991312,1cyclictest28-21ksoftirqd/212:15:002
18584991312,1cyclictest28-21ksoftirqd/209:15:172
18584991311,1cyclictest27339-21/usr/sbin/munin08:35:222
1856499130,12cyclictest11207-21diskmemload11:00:120
18595991211,1cyclictest35-21ksoftirqd/310:10:003
18595991211,1cyclictest1406-21munin-node07:15:003
1858499129,3cyclictest28-21ksoftirqd/209:25:192
1858499126,5cyclictest31467-21kworker/2:211:42:132
18584991211,1cyclictest28-21ksoftirqd/208:05:142
18584991211,1cyclictest28-21ksoftirqd/207:55:002
18564991210,1cyclictest9-21ksoftirqd/008:50:000
18564991210,1cyclictest9-21ksoftirqd/007:25:000
1859599119,1cyclictest35-21ksoftirqd/307:30:003
18584991110,1cyclictest28-21ksoftirqd/212:25:122
18584991110,1cyclictest28-21ksoftirqd/210:50:152
18584991110,1cyclictest28-21ksoftirqd/209:40:152
1858499111,7cyclictest17515-21kworker/u8:112:09:152
1858499110,11cyclictest28-21ksoftirqd/210:35:002
1858499110,11cyclictest0-21swapper/210:08:272
18564991110,1cyclictest9-21ksoftirqd/012:20:140
18564991110,1cyclictest9-21ksoftirqd/010:40:140
1859599109,1cyclictest35-21ksoftirqd/311:50:003
1859599109,1cyclictest35-21ksoftirqd/310:25:003
1858499109,1cyclictest28-21ksoftirqd/211:21:112
1858499109,1cyclictest28-21ksoftirqd/210:22:002
1858499109,1cyclictest28-21ksoftirqd/210:10:142
1858499109,1cyclictest28-21ksoftirqd/209:39:462
1858499109,1cyclictest28-21ksoftirqd/209:10:192
1858499109,1cyclictest28-21ksoftirqd/207:15:002
1858499108,1cyclictest28-21ksoftirqd/208:40:182
1858499108,1cyclictest14437-21pmu-power10:40:182
1858499103,6cyclictest17515-21kworker/u8:111:50:132
18584991010,0cyclictest28-21ksoftirqd/212:22:012
18584991010,0cyclictest28-21ksoftirqd/210:48:232
18584991010,0cyclictest28-21ksoftirqd/210:00:132
18584991010,0cyclictest28-21ksoftirqd/209:45:152
1858499100,9cyclictest20910-21munin-node07:31:382
1858499100,5cyclictest0-21swapper/208:25:122
1856499109,1cyclictest9-21ksoftirqd/011:25:170
1856499109,1cyclictest9-21ksoftirqd/007:20:000
18564991010,0cyclictest9-21ksoftirqd/011:10:000
18564991010,0cyclictest9-21ksoftirqd/010:55:130
1856499101,1cyclictest240-21systemd-journal08:20:000
185959999,0cyclictest35-21ksoftirqd/308:40:003
185959999,0cyclictest0-21swapper/311:35:053
185959999,0cyclictest0-21swapper/311:35:053
185959998,1cyclictest35-21ksoftirqd/311:35:003
185959990,8cyclictest22405-1kworker/u9:110:11:323
185849999,0cyclictest28-21ksoftirqd/209:30:032
185849999,0cyclictest28-21ksoftirqd/209:20:122
185849999,0cyclictest28-21ksoftirqd/208:45:182
185849998,1cyclictest28-21ksoftirqd/211:57:122
185849998,1cyclictest28-21ksoftirqd/211:25:182
185849998,1cyclictest28-21ksoftirqd/211:01:152
185849998,1cyclictest28-21ksoftirqd/210:15:162
185849998,1cyclictest28-21ksoftirqd/208:50:202
185849998,1cyclictest28-21ksoftirqd/208:10:142
185849998,1cyclictest28-21ksoftirqd/207:35:142
185849998,1cyclictest28-21ksoftirqd/207:20:182
185849997,1cyclictest61650irq/122-eno109:00:142
185849997,1cyclictest28-21ksoftirqd/209:05:142
185849997,1cyclictest28-21ksoftirqd/208:25:012
185849997,1cyclictest28-21ksoftirqd/207:55:172
185849997,1cyclictest28-21ksoftirqd/207:25:152
185649999,0cyclictest9-21ksoftirqd/012:15:150
185649998,1cyclictest9-21ksoftirqd/012:30:200
185649998,1cyclictest9-21ksoftirqd/012:05:140
185649998,1cyclictest9-21ksoftirqd/011:57:160
185649998,1cyclictest9-21ksoftirqd/010:50:140
185649998,1cyclictest9-21ksoftirqd/010:25:170
185649998,1cyclictest9-21ksoftirqd/010:05:000
185649998,1cyclictest9-21ksoftirqd/009:40:140
185649998,1cyclictest9-21ksoftirqd/009:00:130
185649998,1cyclictest9-21ksoftirqd/008:40:010
185649990,8cyclictest20881-21hddtemp_smartct10:05:150
185649990,4cyclictest22431-21sort08:25:000
185959988,0cyclictest35-21ksoftirqd/307:20:003
185959987,1cyclictest35-21ksoftirqd/312:20:003
185959987,1cyclictest35-21ksoftirqd/310:50:003
185959987,1cyclictest35-21ksoftirqd/310:30:013
185959987,1cyclictest35-21ksoftirqd/309:45:003
185959987,1cyclictest35-21ksoftirqd/308:30:003
185959987,0cyclictest35-21ksoftirqd/309:35:013
185959986,1cyclictest35-21ksoftirqd/311:30:003
185959986,1cyclictest35-21ksoftirqd/311:25:003
185959986,1cyclictest35-21ksoftirqd/307:25:003
185959985,1cyclictest240-21systemd-journal11:59:593
185959980,4cyclictest17000-21taskset09:15:583
185959980,0cyclictest0-21swapper/312:12:593
185849988,0cyclictest28-21ksoftirqd/211:30:432
185849988,0cyclictest28-21ksoftirqd/211:15:142
185849988,0cyclictest28-21ksoftirqd/209:50:212
185849987,1cyclictest28-21ksoftirqd/211:06:022
185849987,1cyclictest28-21ksoftirqd/210:58:442
185849987,1cyclictest28-21ksoftirqd/210:25:132
185849987,1cyclictest28-21ksoftirqd/207:50:002
185849986,1cyclictest31467-21kworker/2:212:30:292
185849986,1cyclictest31467-21kworker/2:210:30:112
185849986,1cyclictest28-21ksoftirqd/212:03:532
185849986,1cyclictest28-21ksoftirqd/209:55:032
185849986,1cyclictest28-21ksoftirqd/209:55:022
185849986,1cyclictest28-21ksoftirqd/208:15:162
185739980,6cyclictest0-21swapper/108:40:121
185649988,0cyclictest9-21ksoftirqd/012:10:190
185649988,0cyclictest9-21ksoftirqd/010:20:180
185649988,0cyclictest9-21ksoftirqd/008:45:000
185649988,0cyclictest9-21ksoftirqd/008:08:120
185649987,1cyclictest9-21ksoftirqd/011:15:130
185649987,1cyclictest9-21ksoftirqd/011:10:140
185649987,1cyclictest9-21ksoftirqd/009:55:160
185649987,1cyclictest9-21ksoftirqd/009:55:160
185649987,1cyclictest9-21ksoftirqd/007:25:130
185649986,1cyclictest9-21ksoftirqd/008:55:100
185649986,1cyclictest9-21ksoftirqd/008:00:140
185649986,1cyclictest18656-21ssh10:45:350
185649982,6cyclictest8692-21latency_hist09:50:000
185649980,8cyclictest0-21swapper/011:35:200
185649980,8cyclictest0-21swapper/011:35:200
185649980,7cyclictest18872-21apt-get09:20:130
185649980,0cyclictest240-21systemd-journal09:54:390
185959976,1cyclictest35-21ksoftirqd/311:45:003
185959976,1cyclictest35-21ksoftirqd/310:40:003
185959976,1cyclictest35-21ksoftirqd/309:05:003
185959976,1cyclictest35-21ksoftirqd/308:55:003
185959976,1cyclictest32580-21diskstats08:45:143
185959975,1cyclictest35-21ksoftirqd/309:55:143
185959975,1cyclictest35-21ksoftirqd/309:55:133
185959974,1cyclictest13650irq/124-ahci[0011:04:553
185959973,2cyclictest11207-21diskmemload11:15:393
185959971,4cyclictest0-21swapper/310:16:393
185959970,5cyclictest22617-21apt-get09:25:123
185959970,5cyclictest16440-21apt-get10:00:113
185959970,3cyclictest0-21swapper/312:07:003
185959970,3cyclictest0-21swapper/309:13:413
185959970,2cyclictest0-21swapper/310:30:313
185959970,1cyclictest11207-21diskmemload11:11:413
185849976,1cyclictest28-21ksoftirqd/208:55:142
185849976,1cyclictest28-21ksoftirqd/207:40:142
185849975,1cyclictest28-21ksoftirqd/208:30:222
185849975,1cyclictest28-21ksoftirqd/208:00:112
185849970,2cyclictest0-21swapper/207:10:142
185739970,4cyclictest0-21swapper/111:53:051
185649976,1cyclictest9-21ksoftirqd/012:25:140
185649976,1cyclictest9-21ksoftirqd/008:50:130
185649976,1cyclictest9-21ksoftirqd/007:55:130
185649976,1cyclictest9-21ksoftirqd/007:45:160
185649976,1cyclictest20425-21ssh11:34:150
185649976,1cyclictest17505-21ssh09:17:160
185649976,1cyclictest0-21swapper/007:30:260
185649975,1cyclictest9-21ksoftirqd/011:20:220
185649975,1cyclictest9-21ksoftirqd/010:30:140
185649974,2cyclictest907850/usr/sbin/munin09:05:160
185649970,6cyclictest9630-21head10:35:130
185649970,6cyclictest7515-21sh12:00:140
185649970,6cyclictest31897-21/usr/sbin/munin11:50:200
185649970,6cyclictest29471-21ssh10:16:240
185649970,6cyclictest26726-21ssh09:30:120
185649970,6cyclictest24986-21/usr/sbin/munin08:30:180
185649970,6cyclictest24976-21cstates11:40:130
185649970,6cyclictest18760-21/usr/sbin/munin07:10:160
185649970,6cyclictest13799-21ssh09:12:270
185649970,6cyclictest0-21swapper/010:10:100
185649970,6cyclictest0-21swapper/009:25:070
185649970,3cyclictest3662-21perf12:40:000
185649970,1cyclictest6134-21telnet07:50:120
185649970,1cyclictest28225-21ssh11:45:040
185649970,0cyclictest0-21swapper/009:35:230
10864270,0sleep10-21swapper/110:35:201
24347260,0sleep10-21swapper/110:55:141
185959965,1cyclictest35-21ksoftirqd/308:45:003
185959965,1cyclictest32631-21ssh09:36:263
185959965,1cyclictest27127-21ssh10:59:073
185959965,1cyclictest2386-21ssh12:36:243
185959964,1cyclictest30982-21ssh12:30:513
185959964,1cyclictest2225-21ssh11:09:483
185959961,3cyclictest0-21swapper/310:40:403
185959960,6cyclictest0-21swapper/312:21:293
185959960,5cyclictest0-21swapper/309:20:363
185959960,3cyclictest32406-21/usr/sbin/munin11:50:123
185959960,2cyclictest9979-21hddtemp_smartct09:50:163
185959960,2cyclictest0-21swapper/312:00:043
185959960,2cyclictest0-21swapper/308:55:173
185959960,1cyclictest0-21swapper/309:47:433
185739961,3cyclictest0-21swapper/109:17:461
185739960,5cyclictest0-21swapper/111:45:131
185739960,4cyclictest0-21swapper/109:56:421
185739960,4cyclictest0-21swapper/109:56:421
185739960,3cyclictest0-21swapper/110:09:111
185649965,1cyclictest1455-21telnet07:40:130
185649960,6cyclictest0-21swapper/008:10:080
185649960,5cyclictest0-21swapper/008:25:120
185649960,0cyclictest0-21swapper/007:35:110
185959954,1cyclictest35-21ksoftirqd/307:35:003
185959954,1cyclictest27182-21ssh12:25:233
185959954,1cyclictest18791-21cat08:15:163
185959953,1cyclictest25701-21gltestperf08:30:163
185959953,1cyclictest0-21swapper/308:20:203
185959952,1cyclictest3752-21apt-get07:45:123
185959951,3cyclictest10833-21apt-get08:00:113
185959951,1cyclictest0-21swapper/307:55:143
185959951,1cyclictest0-21swapper/307:30:153
185959950,3cyclictest0-21swapper/310:50:183
185959950,2cyclictest13187-21apt-get08:05:123
185959950,1cyclictest9581-21df09:05:143
185959950,1cyclictest0-21swapper/308:10:133
185959950,0cyclictest0-21swapper/307:50:053
185739955,0cyclictest0-21swapper/110:04:451
185739953,2cyclictest0-21swapper/112:15:201
185739953,1cyclictest6729-21chrt09:00:111
185739953,1cyclictest0-21swapper/108:50:151
185739952,2cyclictest0-21swapper/108:00:111
185739952,1cyclictest0-21swapper/111:30:131
185739951,3cyclictest0-21swapper/107:34:591
185739951,2cyclictest0-21swapper/109:35:171
185739950,5cyclictest0-21swapper/112:23:101
185739950,5cyclictest0-21swapper/112:08:281
185739950,5cyclictest0-21swapper/111:17:111
185739950,5cyclictest0-21swapper/111:14:551
185739950,5cyclictest0-21swapper/109:33:571
185739950,4cyclictest0-21swapper/110:50:071
185739950,4cyclictest0-21swapper/108:10:161
185739950,3cyclictest0-21swapper/112:36:551
185739950,3cyclictest0-21swapper/111:06:411
185739950,3cyclictest0-21swapper/110:30:011
185739950,3cyclictest0-21swapper/109:29:351
185739950,2cyclictest0-21swapper/112:30:131
185739950,2cyclictest0-21swapper/111:42:561
185739950,2cyclictest0-21swapper/110:23:401
185739950,2cyclictest0-21swapper/110:15:291
185739950,2cyclictest0-21swapper/110:12:481
185739950,1cyclictest0-21swapper/111:00:191
185739950,1cyclictest0-21swapper/109:44:311
185739950,1cyclictest0-21swapper/109:05:221
185959944,0cyclictest27642-21kworker/3:107:40:053
185739944,0cyclictest0-21swapper/108:28:061
185739943,1cyclictest80492sleep107:52:551
185739941,2cyclictest0-21swapper/110:40:131
185739941,0cyclictest0-21swapper/108:05:121
185739940,4cyclictest0-21swapper/111:35:141
185739940,4cyclictest0-21swapper/111:35:141
185739940,4cyclictest0-21swapper/108:55:191
185739940,4cyclictest0-21swapper/107:17:421
185739940,3cyclictest0-21swapper/112:25:231
185739940,3cyclictest0-21swapper/109:23:001
185739940,3cyclictest0-21swapper/108:35:171
185739940,2cyclictest0-21swapper/112:00:011
185739940,2cyclictest0-21swapper/111:56:161
185739940,2cyclictest0-21swapper/111:25:291
185739940,2cyclictest0-21swapper/111:21:291
185739940,2cyclictest0-21swapper/110:25:021
185739940,2cyclictest0-21swapper/109:50:411
185739940,2cyclictest0-21swapper/108:45:191
185739940,2cyclictest0-21swapper/108:20:141
185739940,2cyclictest0-21swapper/108:20:001
185739940,2cyclictest0-21swapper/107:55:121
185739940,1cyclictest0-21swapper/109:45:031
185739940,1cyclictest0-21swapper/107:45:141
185739940,1cyclictest0-21swapper/107:40:001
185739940,0cyclictest0-21swapper/112:10:191
185739932,1cyclictest187552sleep107:10:101
185739931,2cyclictest0-21swapper/108:30:131
185739930,1cyclictest0-21swapper/107:40:111
185739930,1cyclictest0-21swapper/107:25:111
185739930,1cyclictest0-21swapper/107:20:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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