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2025-12-29 - 20:32
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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 rackeslot2.osadl.org (updated Mon Dec 29, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57432321100,3sleep30-21swapper/309:38:303
5506712980,2sleep30-21swapper/309:28:083
4784832320,2sleep30-21swapper/308:35:023
8090932310,2sleep0809095-21grep11:48:280
8950292290,1sleep1895028-21fschecks_time12:38:191
37281099281,6cyclictest611826-21munin-run10:00:021
372809992718,5cyclictest1426-21gdbus10:55:010
372809992313,6cyclictest699279-21kthreadcore10:48:220
372809992313,6cyclictest699279-21kthreadcore10:48:220
372809992313,5cyclictest0-21swapper/010:45:000
372809992216,5cyclictest586540-21sshd09:47:340
372809992214,7cyclictest0-21swapper/009:55:020
372811992118,1cyclictest0-21swapper/207:30:012
372810992118,2cyclictest1290-21dbus-daemon08:35:011
372810992112,4cyclictest0-21swapper/110:50:001
372810992112,4cyclictest0-21swapper/110:50:001
372809992118,2cyclictest520916-21/usr/sbin/munin09:10:020
372809992114,6cyclictest841169-21kernelversion12:08:210
372809992114,6cyclictest655335-21tr10:23:240
372809992113,4cyclictest660121-21gltestperf10:28:210
372809992111,5cyclictest0-21swapper/009:20:010
372809992111,5cyclictest0-21swapper/009:20:010
372809992110,6cyclictest0-21swapper/011:23:220
372811992017,1cyclictest0-21swapper/212:30:012
372809992017,2cyclictest1290-21dbus-daemon11:00:020
372809992016,3cyclictest1290-21dbus-daemon10:00:000
372809992012,4cyclictest822910-21/usr/sbin/munin11:58:200
372809992010,3cyclictest423073-21mailstats07:48:270
2649091201,2phc2sys0-21swapper/309:11:183
372811991915,2cyclictest0-21swapper/212:20:012
372810991916,2cyclictest864953-21latency_hist12:20:021
372810991916,2cyclictest1326-21systemd-logind11:15:021
372810991915,3cyclictest882845-21apt-key12:30:011
372809991916,2cyclictest548345-21apt-config09:25:010
372809991916,2cyclictest372983-21systemd07:10:020
2649091190,2phc2sys0-21swapper/310:42:323
8269212180,1sleep1827141-21sed11:58:281
372811991816,1cyclictest0-21swapper/210:35:022
372811991815,1cyclictest0-21swapper/211:30:022
372811991815,1cyclictest0-21swapper/211:30:022
372811991815,1cyclictest0-21swapper/211:08:162
37281099189,4cyclictest0-21swapper/110:10:001
372810991815,2cyclictest378905-21munin-node07:15:011
37280999188,6cyclictest611761-21kworker/u16:1-xprtiod11:03:590
37280999188,5cyclictest0-21swapper/011:53:230
37280999188,5cyclictest0-21swapper/011:13:160
372809991815,2cyclictest882708-21apt-config12:30:000
372809991815,2cyclictest738383-21sh11:10:010
372809991815,2cyclictest447967-21/usr/sbin/munin08:10:020
372809991815,2cyclictest1326-21systemd-logind10:35:020
372809991811,4cyclictest774483-21/usr/sbin/munin11:30:010
372809991810,7cyclictest0-21swapper/012:05:020
372809991810,4cyclictest0-21swapper/010:40:020
2649091180,2phc2sys0-21swapper/309:57:113
372811991714,1cyclictest0-21swapper/209:19:412
372811991714,1cyclictest0-21swapper/209:19:412
372811991713,2cyclictest0-21swapper/211:28:202
372811991713,2cyclictest0-21swapper/210:03:172
372811991713,2cyclictest0-21swapper/207:15:022
37281099178,4cyclictest0-21swapper/109:38:301
372810991714,2cyclictest723842-21irqrtprio11:03:231
372810991714,2cyclictest638958-21apt-key10:15:011
372810991714,2cyclictest620570-21dump-pmu-power10:05:001
372810991714,2cyclictest602839-21grep09:55:021
372810991714,2cyclictest421568-21kthreadcore07:48:231
372810991714,2cyclictest1-21systemd12:35:021
372810991713,3cyclictest611761-21kworker/u16:1+nfsiod11:49:421
37280999179,4cyclictest0-21swapper/010:10:000
37280999178,8cyclictest0-21swapper/011:33:160
37280999178,8cyclictest0-21swapper/011:33:160
37280999178,5cyclictest0-21swapper/012:13:190
372809991714,2cyclictest788141-21kthreadcore11:38:220
372809991714,2cyclictest520759-21diskmemload12:25:020
372809991714,2cyclictest502689-21perf08:55:000
372809991714,2cyclictest484770-21cut08:40:020
372809991714,2cyclictest372804-21cyclictest12:33:160
372809991714,2cyclictest372804-21cyclictest07:58:220
372809991714,2cyclictest1-21systemd11:20:010
37280999170,2cyclictest399971-21/usr/sbin/munin07:33:210
2649091170,4phc2sys0-21swapper/312:03:523
2649091170,2phc2sys0-21swapper/312:28:523
2649091170,2phc2sys0-21swapper/311:57:033
2649091170,2phc2sys0-21swapper/311:12:373
2649091170,2phc2sys0-21swapper/310:31:463
2649091170,2phc2sys0-21swapper/309:22:443
2649091170,1phc2sys0-21swapper/311:37:343
2649091170,1phc2sys0-21swapper/310:57:433
2649091170,1phc2sys0-21swapper/310:05:173
2649091170,1phc2sys0-21swapper/307:48:313
8631922160,1sleep00-21swapper/012:18:300
372811991613,1cyclictest0-21swapper/211:45:012
372811991613,1cyclictest0-21swapper/211:25:012
372811991613,1cyclictest0-21swapper/210:54:562
372811991613,1cyclictest0-21swapper/210:30:022
372811991613,1cyclictest0-21swapper/210:18:162
372811991613,1cyclictest0-21swapper/210:10:002
372811991613,1cyclictest0-21swapper/208:40:002
372811991613,1cyclictest0-21swapper/207:25:012
37281199160,13cyclictest0-21swapper/212:14:032
37281099169,3cyclictest672922-21kthreadcore10:33:261
37281099168,3cyclictest0-21swapper/110:28:181
372810991613,2cyclictest868090-21cut12:23:221
372810991613,2cyclictest813355-21entropy11:53:201
372810991613,2cyclictest754601-21phc2sys11:18:241
372810991613,2cyclictest738417-21latency_hist11:10:011
372810991613,2cyclictest582266-21kthreadcore09:43:241
372810991613,2cyclictest372804-21cyclictest11:44:061
372810991612,3cyclictest530025-21kworker/u16:3+nfsiod09:47:081
372810991612,3cyclictest502810-21kworker/u16:0+nfsiod09:11:501
37280999167,5cyclictest1996-21runrttasks11:40:150
372809991613,2cyclictest614844-21if_enp1s0.810:03:200
372809991613,2cyclictest523355-21aten_repower_en09:13:160
372809991613,2cyclictest492418-21kernelversion08:48:210
372809991613,2cyclictest467171-21gltestperf08:28:200
372809991613,2cyclictest454976-21cut08:18:190
372809991613,2cyclictest412841-21gltestperf07:43:200
372809991613,2cyclictest0-21swapper/010:15:010
372809991613,2cyclictest0-21swapper/009:45:010
372809991613,2cyclictest0-21swapper/007:30:010
372809991612,3cyclictest372804-21cyclictest07:38:160
372809991611,1cyclictest520759-21diskmemload09:26:260
37280999160,3cyclictest485065-21/usr/sbin/munin08:43:230
37280999160,12cyclictest477979-21apt-get08:35:020
2649091160,2phc2sys0-21swapper/311:49:543
372811991513,1cyclictest0-21swapper/212:24:142
372811991512,1cyclictest0-21swapper/212:32:222
372811991512,1cyclictest0-21swapper/211:14:362
372811991512,1cyclictest0-21swapper/210:58:182
372811991512,1cyclictest0-21swapper/210:44:332
372811991512,1cyclictest0-21swapper/209:58:212
372811991512,1cyclictest0-21swapper/209:35:012
372811991512,1cyclictest0-21swapper/209:24:342
372811991512,1cyclictest0-21swapper/209:13:232
372811991512,1cyclictest0-21swapper/208:55:002
372811991512,1cyclictest0-21swapper/208:13:192
37281199151,1cyclictest0-21swapper/210:23:132
372811991511,2cyclictest0-21swapper/211:16:332
372811991511,2cyclictest0-21swapper/209:48:212
372811991511,2cyclictest0-21swapper/209:43:242
372811991511,2cyclictest0-21swapper/209:28:172
372811991511,2cyclictest0-21swapper/208:18:302
372811991511,2cyclictest0-21swapper/208:03:282
372810991512,2cyclictest761500-21kthreadcore11:23:221
372810991512,2cyclictest705418-21tail10:53:171
372810991512,2cyclictest682388-21needreboot10:38:241
372810991512,2cyclictest651134-21tail10:23:171
372810991512,2cyclictest401850-21kthreadcore07:33:221
372810991512,2cyclictest1288-1atopacctd09:19:491
372810991512,2cyclictest1288-1atopacctd09:19:491
372810991511,3cyclictest783825-21kworker/u16:0+nfsiod12:07:061
372810991511,3cyclictest530025-21kworker/u16:3+nfsiod09:31:331
372810991511,3cyclictest396499-21kthreadcore07:28:231
372810991511,3cyclictest1326-21systemd-logind10:20:011
37280999155,5cyclictest0-21swapper/008:04:330
372809991512,2cyclictest504175-21grep08:58:220
372809991512,2cyclictest1996-21runrttasks10:18:040
372809991511,3cyclictest380367-21kthreadcore07:15:020
2649091151,4phc2sys0-21swapper/310:37:093
2649091150,2phc2sys0-21swapper/311:08:213
2649091150,1phc2sys0-21swapper/310:46:573
2649091150,1phc2sys0-21swapper/310:46:573
372811991412,1cyclictest0-21swapper/210:48:222
372811991412,1cyclictest0-21swapper/210:48:222
372811991412,1cyclictest0-21swapper/208:45:012
372811991411,2cyclictest0-21swapper/210:38:152
372811991411,1cyclictest0-21swapper/212:38:232
372811991411,1cyclictest0-21swapper/211:58:202
372811991411,1cyclictest0-21swapper/211:38:292
372811991411,1cyclictest0-21swapper/210:13:192
372811991411,1cyclictest0-21swapper/209:55:012
372811991411,1cyclictest0-21swapper/208:08:272
372811991411,1cyclictest0-21swapper/207:33:192
37281099146,4cyclictest656295-21kworker/u16:3+nfsiod11:27:571
372810991411,2cyclictest848797-21aten_repower_cu12:13:161
372810991411,2cyclictest801590-21kworker/u16:2-rpciod12:03:191
372810991411,2cyclictest778572-21kthreadcore11:33:231
372810991411,2cyclictest778572-21kthreadcore11:33:231
372810991411,2cyclictest515632-21cpuspeed_turbos09:08:161
372810991411,2cyclictest514785-21munin-run09:05:011
372810991411,2cyclictest478904-21aten_repower_po08:38:171
372810991411,2cyclictest437350-21cut08:03:201
372810991411,2cyclictest414877-21kthreadcore07:43:251
372810991411,2cyclictest386589-21mailstats07:18:271
372810991411,2cyclictest372804-21cyclictest08:43:211
372810991411,2cyclictest35255-21packagekitd09:29:011
372810991411,2cyclictest351ktimers/109:21:211
372810991411,2cyclictest1326-21systemd-logind11:40:011
372810991410,3cyclictest611761-21kworker/u16:1+nfsiod10:58:091
372810991410,3cyclictest492440-21kthreadcore08:48:211
372810991410,3cyclictest426225-21kthreadcore07:53:211
37281099140,13cyclictest447791-21perf08:10:001
37280999141,7cyclictest559996-21aten2.4-expect09:33:170
372809991411,2cyclictest900873-21latency_hist12:40:000
372809991411,2cyclictest570285-21kernelversion09:38:230
372809991411,2cyclictest512354-21kthreadcore09:03:230
372809991411,2cyclictest461722-21kthreadcore08:23:220
372809991411,2cyclictest372804-21cyclictest08:13:250
2649091143,2phc2sys0-21swapper/312:21:113
2649091140,4phc2sys0-21swapper/309:34:373
2649091140,2phc2sys0-21swapper/311:42:183
2649091140,2phc2sys0-21swapper/311:27:213
2649091140,1phc2sys0-21swapper/311:53:453
2649091140,1phc2sys0-21swapper/310:02:343
2649091140,1phc2sys0-21swapper/309:54:553
37281199139,2cyclictest0-21swapper/211:03:242
37281199137,3cyclictest0-21swapper/211:51:002
372811991311,1cyclictest0-21swapper/212:06:182
372811991311,1cyclictest0-21swapper/211:45:212
372811991310,1cyclictest0-21swapper/209:36:482
372811991310,1cyclictest0-21swapper/208:58:232
372811991310,1cyclictest0-21swapper/208:48:162
372811991310,1cyclictest0-21swapper/208:33:212
372811991310,1cyclictest0-21swapper/208:23:222
372811991310,1cyclictest0-21swapper/207:43:292
372811991310,1cyclictest0-21swapper/207:38:212
37281099139,3cyclictest389422-21kthreadcore07:23:221
37281099139,3cyclictest1288-1atopacctd08:13:241
37281099135,6cyclictest461696-21cut08:23:211
372810991310,2cyclictest687409-21idleruntime10:43:211
372810991310,2cyclictest499702-21kthreadcore08:53:221
372810991310,2cyclictest466568-21aten_repower_po08:28:171
372810991310,2cyclictest408253-21kthreadcore07:38:211
37280999139,3cyclictest376160-21kthreadcore07:13:230
372809991310,2cyclictest429665-21perf07:55:000
2649091130,6phc2sys0-21swapper/307:59:553
2649091130,3phc2sys0-21swapper/312:14:133
2649091130,2phc2sys0-21swapper/309:48:373
2649091130,1phc2sys0-21swapper/308:43:203
37281199129,1cyclictest0-21swapper/209:07:022
37281199129,1cyclictest0-21swapper/209:03:222
37281199129,1cyclictest0-21swapper/207:57:332
37281199129,1cyclictest0-21swapper/207:46:082
372811991210,1cyclictest0-21swapper/212:03:242
372811991210,1cyclictest0-21swapper/207:53:152
372811991210,1cyclictest0-21swapper/207:15:022
37281099129,2cyclictest503272-21aten_repower_en08:58:171
37281099129,2cyclictest455499-21irqrtprio08:18:211
37281099129,2cyclictest432535-21kthreadcore07:58:231
37280999129,2cyclictest388882-21irqrtprio07:23:220
2649091123,2phc2sys0-21swapper/311:03:243
2649091120,3phc2sys0-21swapper/311:23:153
2649091120,1phc2sys0-21swapper/308:58:073
2649091120,1phc2sys0-21swapper/308:00:293
37281199118,2cyclictest0-21swapper/207:10:022
37281199118,1cyclictest0-21swapper/208:26:052
2649091111,3phc2sys0-21swapper/309:18:163
2649091111,3phc2sys0-21swapper/309:18:163
2649091111,2phc2sys0-21swapper/309:40:363
2649091111,2phc2sys0-21swapper/308:48:293
2649091110,2phc2sys0-21swapper/312:35:503
2649091110,2phc2sys0-21swapper/310:20:233
2649091110,1phc2sys0-21swapper/310:18:313
2649091110,1phc2sys0-21swapper/308:17:443
2649091110,1phc2sys0-21swapper/308:10:183
2649091101,2phc2sys0-21swapper/311:32:013
2649091101,2phc2sys0-21swapper/311:32:013
2649091101,2phc2sys0-21swapper/310:52:303
2649091101,2phc2sys0-21swapper/310:27:573
2649091101,2phc2sys0-21swapper/309:10:023
2649091101,2phc2sys0-21swapper/307:38:213
2649091100,2phc2sys0-21swapper/312:31:253
2649091100,2phc2sys0-21swapper/311:15:223
2649091100,2phc2sys0-21swapper/310:11:023
2649091100,2phc2sys0-21swapper/308:25:013
290229890,3rtkit-daemon35255-21packagekitd07:07:211
264909191,2phc2sys0-21swapper/308:50:343
264909190,2phc2sys0-21swapper/312:17:473
264909190,2phc2sys0-21swapper/312:05:363
264909190,2phc2sys0-21swapper/309:03:243
264909190,2phc2sys0-21swapper/308:39:553
264909190,2phc2sys0-21swapper/308:26:333
264909190,2phc2sys0-21swapper/308:08:223
264909190,2phc2sys0-21swapper/307:53:423
264909190,2phc2sys0-21swapper/307:43:223
264909190,2phc2sys0-21swapper/307:30:033
264909190,2phc2sys0-21swapper/307:28:193
264909190,2phc2sys0-21swapper/307:23:183
264909190,2phc2sys0-21swapper/307:18:173
264909190,2phc2sys0-21swapper/307:13:243
264909190,2phc2sys0-21swapper/307:08:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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