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2026-04-29 - 14:22
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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 Wed Apr 29, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257042215149,22sleep00-21swapper/007:09:500
254882215149,23sleep20-21swapper/207:07:022
255952210150,48sleep30-21swapper/307:08:243
256282197159,25sleep10-21swapper/107:08:501
194421320,0sleep20-21swapper/212:20:142
302502690,0sleep30-21swapper/310:05:183
302502690,0sleep30-21swapper/310:05:173
50512150,0sleep30-21swapper/310:15:153
25809991514,1cyclictest28-21ksoftirqd/210:00:132
2579299149,5cyclictest20221-21ssh12:00:180
2579299132,5cyclictest11589-21latency_hist08:55:000
2581799120,11cyclictest0-21swapper/308:25:003
25809991211,1cyclictest28-21ksoftirqd/210:45:002
25809991210,1cyclictest28-21ksoftirqd/211:45:012
2580999120,11cyclictest0-21swapper/212:12:052
2580999120,11cyclictest0-21swapper/209:14:372
2579299129,2cyclictest1741-21ntp_states10:10:180
2579299129,2cyclictest0-21swapper/009:55:140
2579299124,4cyclictest28994-21sed10:05:010
2579299122,6cyclictest18650-21diskmemload10:25:170
2581799110,7cyclictest13341-1kworker/u9:212:05:003
2580999119,1cyclictest28-21ksoftirqd/209:35:122
25809991110,1cyclictest28-21ksoftirqd/207:40:002
2579299119,2cyclictest0-21swapper/008:30:160
2579299119,1cyclictest8273-21grep09:35:200
2579299119,1cyclictest0-21swapper/012:30:110
25792991110,1cyclictest3608-21sendmail-msp11:40:000
25792991110,1cyclictest23941-21ntp_states12:05:170
2579299110,10cyclictest18650-21diskmemload09:20:150
2581799109,1cyclictest35-21ksoftirqd/307:15:013
2581799101,0cyclictest18650-21diskmemload10:45:173
2580999109,1cyclictest28-21ksoftirqd/209:50:002
2580999109,1cyclictest28-21ksoftirqd/208:55:152
2580999109,1cyclictest28-21ksoftirqd/208:45:002
2580999109,1cyclictest28-21ksoftirqd/208:40:012
2580999109,1cyclictest28-21ksoftirqd/208:15:002
2580999109,0cyclictest0-21swapper/211:47:272
2580999108,1cyclictest583-21in:imuxsock09:30:002
2580999108,1cyclictest28-21ksoftirqd/210:30:132
2580999108,1cyclictest28-21ksoftirqd/207:15:012
25809991010,0cyclictest0-21swapper/209:26:532
2580999101,9cyclictest0-21swapper/210:47:272
2580999101,8cyclictest28-21ksoftirqd/212:00:142
2580999100,7cyclictest0-21swapper/209:50:122
2579299109,1cyclictest21198-21apt-get11:20:100
2579299109,1cyclictest0-21swapper/010:20:180
2579299109,1cyclictest0-21swapper/009:00:110
2579299108,2cyclictest0-21swapper/011:15:190
2579299107,2cyclictest18650-21diskmemload10:45:250
2579299103,2cyclictest15701-21/usr/sbin/munin07:55:210
2579299101,4cyclictest13916-21perf09:45:000
2579299100,8cyclictest0-21swapper/009:10:160
5360290,1sleep30-21swapper/310:58:503
258179999,0cyclictest35-21ksoftirqd/311:15:313
258179999,0cyclictest35-21ksoftirqd/310:35:003
258179998,1cyclictest561-21nscd12:30:113
258179998,1cyclictest35-21ksoftirqd/310:24:593
258179990,3cyclictest0-21swapper/309:58:203
258099998,1cyclictest28-21ksoftirqd/209:15:142
258099997,1cyclictest28-21ksoftirqd/211:30:112
258099997,1cyclictest28-21ksoftirqd/211:25:122
258099997,1cyclictest28-21ksoftirqd/208:10:002
258099990,3cyclictest9878-21apt-get11:05:122
257929998,1cyclictest29461-21fschecks_time11:30:130
257929998,1cyclictest18650-21diskmemload11:53:130
257929998,1cyclictest18650-21diskmemload10:55:170
257929998,1cyclictest0-21swapper/012:35:240
257929998,1cyclictest0-21swapper/010:19:050
257929998,1cyclictest0-21swapper/009:30:150
257929998,1cyclictest0-21swapper/008:40:120
257929998,1cyclictest0-21swapper/008:35:110
257929998,1cyclictest0-21swapper/008:07:050
257929997,1cyclictest18650-21diskmemload09:28:180
257929994,3cyclictest101rcuc/007:20:140
257929994,3cyclictest101rcuc/007:20:140
257929992,7cyclictest9-21ksoftirqd/007:42:470
257929991,0cyclictest9-21ksoftirqd/011:47:010
15231290,0sleep10-21swapper/112:36:321
258179987,1cyclictest35-21ksoftirqd/311:15:003
258179980,5cyclictest17252-21ssh11:56:073
258179980,1cyclictest0-21swapper/309:14:533
258099988,0cyclictest0-21swapper/212:30:392
258099987,1cyclictest28-21ksoftirqd/210:37:532
258099987,1cyclictest28-21ksoftirqd/210:20:142
258099987,1cyclictest28-21ksoftirqd/208:15:122
258099986,1cyclictest61650irq/122-eno112:25:152
258099986,1cyclictest61650irq/122-eno112:05:172
258099986,1cyclictest28-21ksoftirqd/212:15:132
258099986,1cyclictest28-21ksoftirqd/211:00:112
258099986,1cyclictest28-21ksoftirqd/211:00:112
258099986,1cyclictest28-21ksoftirqd/210:10:152
258099984,3cyclictest29658-21perf08:25:002
258099984,2cyclictest240-21systemd-journal12:00:012
258099983,1cyclictest0-21swapper/210:50:192
258099980,8cyclictest0-21swapper/211:24:342
258099980,5cyclictest16508-21idleruntime-cro12:40:002
258099980,3cyclictest0-21swapper/208:45:112
258099980,0cyclictest0-21swapper/209:59:562
257929981,7cyclictest9-21ksoftirqd/007:45:020
257929981,6cyclictest26523-21/usr/sbin/munin12:10:190
257929981,6cyclictest22972-21ssh09:15:120
257929981,6cyclictest18650-21diskmemload10:40:090
257929981,2cyclictest18650-21diskmemload10:30:150
257929980,8cyclictest9-21ksoftirqd/012:20:370
257929980,8cyclictest9-21ksoftirqd/011:55:350
257929980,8cyclictest9-21ksoftirqd/011:05:040
257929980,8cyclictest9-21ksoftirqd/011:00:090
257929980,8cyclictest9-21ksoftirqd/011:00:090
257929980,8cyclictest9-21ksoftirqd/010:36:000
257929980,8cyclictest9-21ksoftirqd/010:05:050
257929980,8cyclictest9-21ksoftirqd/010:05:050
257929980,8cyclictest9-21ksoftirqd/009:50:050
257929980,8cyclictest9-21ksoftirqd/009:05:010
257929980,8cyclictest9-21ksoftirqd/008:45:130
257929980,8cyclictest9-21ksoftirqd/008:25:050
257929980,8cyclictest9-21ksoftirqd/008:20:020
257929980,8cyclictest9-21ksoftirqd/008:15:090
257929980,8cyclictest9-21ksoftirqd/008:10:090
257929980,8cyclictest9-21ksoftirqd/008:00:010
257929980,8cyclictest9-21ksoftirqd/007:50:030
257929980,8cyclictest9-21ksoftirqd/007:35:030
257929980,8cyclictest9-21ksoftirqd/007:30:200
257929980,8cyclictest9-21ksoftirqd/007:25:090
257929980,8cyclictest9-21ksoftirqd/007:15:080
257929980,8cyclictest9-21ksoftirqd/007:10:270
257929980,8cyclictest0-21swapper/011:10:270
257929980,8cyclictest0-21swapper/009:45:040
257929980,7cyclictest0-21swapper/012:15:180
257929980,7cyclictest0-21swapper/011:25:200
257929980,0cyclictest9-21ksoftirqd/012:25:470
257929980,0cyclictest9-21ksoftirqd/011:40:100
257929980,0cyclictest9-21ksoftirqd/010:50:340
257929980,0cyclictest9-21ksoftirqd/008:55:240
258179976,1cyclictest35-21ksoftirqd/312:08:223
258179976,1cyclictest35-21ksoftirqd/308:50:003
258179973,2cyclictest240-21systemd-journal09:40:003
258179971,4cyclictest0-21swapper/310:54:133
258179970,6cyclictest18074-21munin-node08:00:103
258179970,6cyclictest0-21swapper/312:10:553
258179970,5cyclictest0-21swapper/311:54:533
258179970,5cyclictest0-21swapper/311:05:183
258179970,5cyclictest0-21swapper/307:45:003
258179970,4cyclictest0-21swapper/309:53:353
258179970,2cyclictest0-21swapper/311:23:263
258179970,1cyclictest0-21swapper/312:17:333
258179970,1cyclictest0-21swapper/311:40:243
258099976,1cyclictest61650irq/122-eno109:40:112
258099976,1cyclictest28-21ksoftirqd/211:55:002
258099976,1cyclictest28-21ksoftirqd/211:10:152
258099976,1cyclictest28-21ksoftirqd/209:20:132
258099976,1cyclictest28-21ksoftirqd/209:10:002
258099975,1cyclictest61650irq/122-eno111:15:152
258099975,1cyclictest28-21ksoftirqd/211:35:112
258099975,1cyclictest28-21ksoftirqd/210:15:132
258099975,1cyclictest28-21ksoftirqd/210:10:002
258099975,1cyclictest28-21ksoftirqd/210:10:002
258099975,1cyclictest28-21ksoftirqd/208:30:012
258099975,1cyclictest28-21ksoftirqd/207:25:002
258099975,1cyclictest28-21ksoftirqd/207:25:002
258099970,3cyclictest0-21swapper/208:00:122
258099970,1cyclictest0-21swapper/207:50:102
258019977,0cyclictest0-21swapper/108:30:191
258019972,5cyclictest12396-21chrt07:45:181
258019970,3cyclictest24086-21chrt09:57:061
258019970,3cyclictest0-21swapper/112:08:051
258019970,1cyclictest0-21swapper/107:50:141
12830270,1sleep212832-21kernelversion10:25:152
28035260,1sleep10-21swapper/111:28:511
27992260,0sleep10-21swapper/112:10:191
258179966,0cyclictest35-21ksoftirqd/311:33:063
258179966,0cyclictest35-21ksoftirqd/308:30:013
258179965,1cyclictest9825-21ssh11:46:273
258179965,1cyclictest7476-21ssh12:25:583
258179965,1cyclictest35-21ksoftirqd/309:25:003
258179965,1cyclictest25415-21ssh10:00:043
258179965,1cyclictest21802-21ssh10:36:233
258179965,1cyclictest16050-21ssh09:45:413
258179965,1cyclictest14214-21ssh10:26:513
258179965,1cyclictest13014-21ssh12:35:093
258179963,1cyclictest35-21ksoftirqd/308:31:263
258179963,1cyclictest240-21systemd-journal07:22:403
258179963,1cyclictest240-21systemd-journal07:22:393
258179960,3cyclictest0-21swapper/309:40:133
258179960,3cyclictest0-21swapper/309:18:333
258179960,2cyclictest0-21swapper/311:25:113
258179960,2cyclictest0-21swapper/311:02:253
258179960,2cyclictest0-21swapper/311:02:253
258179960,1cyclictest0-21swapper/309:30:443
258099966,0cyclictest61650irq/122-eno109:00:202
258099966,0cyclictest61650irq/122-eno107:31:462
258099966,0cyclictest61650irq/122-eno107:25:192
258099966,0cyclictest28-21ksoftirqd/210:55:132
258099965,1cyclictest28-21ksoftirqd/207:40:132
258099965,1cyclictest28-21ksoftirqd/207:10:192
258099964,1cyclictest28-21ksoftirqd/208:25:132
258099964,1cyclictest10997-21apt-get07:45:122
258019966,0cyclictest0-21swapper/111:35:441
258019963,3cyclictest0-21swapper/110:02:571
258019963,1cyclictest0-21swapper/107:18:241
258019961,1cyclictest0-21swapper/109:30:121
258019960,6cyclictest0-21swapper/111:18:051
258019960,6cyclictest0-21swapper/111:00:151
258019960,6cyclictest0-21swapper/111:00:141
258019960,6cyclictest0-21swapper/110:46:021
258019960,5cyclictest0-21swapper/107:55:131
258019960,4cyclictest0-21swapper/109:38:111
258019960,4cyclictest0-21swapper/109:16:431
258019960,3cyclictest0-21swapper/110:25:191
258019960,2cyclictest2794-21chrt10:11:361
258019960,1cyclictest0-21swapper/110:30:151
2568260,1sleep30-21swapper/310:10:593
258179955,0cyclictest35-21ksoftirqd/311:35:133
258179955,0cyclictest35-21ksoftirqd/308:20:003
258179955,0cyclictest14508-21ntpq07:50:163
258179955,0cyclictest12958-21ntpq08:55:183
258179955,0cyclictest0-21swapper/310:40:533
258179954,1cyclictest35-21ksoftirqd/308:50:003
258179954,1cyclictest35-21ksoftirqd/308:00:003
258179954,1cyclictest35-21ksoftirqd/307:10:363
258179952,0cyclictest18650-21diskmemload09:25:133
258179951,1cyclictest2470-21irqstats07:25:173
258179950,5cyclictest0-21swapper/309:05:153
258179950,5cyclictest0-21swapper/307:34:083
258179950,3cyclictest0-21swapper/308:40:163
258179950,1cyclictest0-21swapper/312:20:003
258099954,1cyclictest28-21ksoftirqd/208:50:142
258099954,1cyclictest28-21ksoftirqd/207:55:132
258019953,1cyclictest8630-21chrt07:40:061
258019953,1cyclictest0-21swapper/112:20:121
258019953,0cyclictest0-21swapper/111:56:021
258019952,2cyclictest0-21swapper/110:41:051
258019952,2cyclictest0-21swapper/109:42:431
258019951,1cyclictest0-21swapper/112:30:161
258019950,5cyclictest0-21swapper/111:30:481
258019950,5cyclictest0-21swapper/109:27:381
258019950,5cyclictest0-21swapper/107:35:411
258019950,5cyclictest0-21swapper/107:13:181
258019950,4cyclictest0-21swapper/111:21:441
258019950,4cyclictest0-21swapper/109:45:361
258019950,4cyclictest0-21swapper/109:21:261
258019950,3cyclictest0-21swapper/112:25:141
258019950,3cyclictest0-21swapper/111:40:111
258019950,3cyclictest0-21swapper/111:06:141
258019950,3cyclictest0-21swapper/108:55:121
258019950,3cyclictest0-21swapper/107:25:131
258019950,2cyclictest0-21swapper/107:20:111
258019950,2cyclictest0-21swapper/107:20:101
258019950,1cyclictest0-21swapper/112:03:201
258019950,1cyclictest0-21swapper/111:11:461
258019950,1cyclictest0-21swapper/109:10:061
258019950,0cyclictest0-21swapper/112:19:411
258019950,0cyclictest0-21swapper/111:50:341
258019950,0cyclictest0-21swapper/108:15:211
258179943,1cyclictest35-21ksoftirqd/308:35:123
258179943,1cyclictest21596-21ntp_states08:05:193
258179942,1cyclictest6428-21cpu07:35:103
258179942,0cyclictest14170-21apt-get09:00:113
258179941,1cyclictest23284-21df08:10:133
258179940,3cyclictest0-21swapper/307:45:103
258019944,0cyclictest0-21swapper/109:05:131
258019943,1cyclictest19745-21chrt09:50:301
258019942,1cyclictest6524-21chrt08:40:571
258019942,1cyclictest11310-21chrt08:51:581
258019941,1cyclictest0-21swapper/108:45:161
258019940,4cyclictest0-21swapper/111:45:201
258019940,4cyclictest0-21swapper/110:05:161
258019940,4cyclictest0-21swapper/110:05:151
258019940,4cyclictest0-21swapper/108:25:121
258019940,2cyclictest0-21swapper/108:35:141
258019940,2cyclictest0-21swapper/108:05:161
258019940,1cyclictest0-21swapper/110:35:151
258019940,1cyclictest0-21swapper/110:20:111
258019940,1cyclictest0-21swapper/110:15:111
258019940,0cyclictest0-21swapper/110:55:191
258019940,0cyclictest0-21swapper/110:50:201
258019940,0cyclictest0-21swapper/108:20:181
258019940,0cyclictest0-21swapper/107:31:551
258019931,1cyclictest0-21swapper/108:00:101
258019930,3cyclictest0-21swapper/108:10:131
258019930,2cyclictest0-21swapper/109:00:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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