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2025-12-16 - 09:56
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Tue Dec 16, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101552921010,2sleep00-21swapper/021:48:360
10725152960,2sleep1341rcuc/122:33:411
824788992422,1cyclictest0-21swapper/219:15:012
824786992314,5cyclictest1128797-21unixbench-2d23:18:480
824788992115,1cyclictest0-21swapper/219:55:002
824786992115,5cyclictest1166769-21sort23:53:370
824786992110,7cyclictest839058-21munin-run19:20:010
824787991916,2cyclictest1207849-21idleruntime-cro00:25:001
824786991915,3cyclictest1009858-21fschecks_count21:43:380
824786991911,7cyclictest0-21swapper/023:00:000
824788991815,1cyclictest0-21swapper/200:00:012
824787991815,2cyclictest830846-21systemd19:15:011
824787991815,2cyclictest1129039-21idleruntime-cro23:20:011
824786991816,1cyclictest1002645-21cron21:35:010
11361792180,2sleep20-21swapper/223:28:362
824787991715,1cyclictest839063-21cut19:20:011
824787991714,2cyclictest935972-21systemd-run20:40:011
824787991714,2cyclictest899491-21sort20:10:011
824787991714,2cyclictest1008681-21perf21:40:011
824787991713,3cyclictest986244-21kthreadcore21:23:411
824787991713,3cyclictest1084249-21kthreadcore22:43:401
824786991714,2cyclictest996770-21sh21:30:010
824786991714,2cyclictest947621-21timerwakeupswit20:48:450
824786991713,3cyclictest871025-21kthreadcore19:48:390
82478699170,1cyclictest0-21swapper/021:38:360
2649091170,1phc2sys0-21swapper/319:13:413
824788991614,1cyclictest0-21swapper/220:50:012
824788991613,1cyclictest0-21swapper/222:35:012
824788991613,1cyclictest0-21swapper/219:20:012
824787991613,2cyclictest1290-21dbus-daemon19:30:001
824787991613,2cyclictest1123023-21grep23:15:011
824787991613,2cyclictest0-21swapper/119:10:011
824787991612,3cyclictest1151972-21kthreadcore23:38:411
824786991614,1cyclictest935974-21apt-get20:40:010
824786991613,2cyclictest894062-21apt20:08:340
824786991613,2cyclictest1326-21systemd-logind20:30:020
824786991612,3cyclictest892967-21mailstats20:03:440
824786991612,3cyclictest1048141-21kthreadcore22:13:420
824786991612,2cyclictest0-21swapper/000:40:020
824786991611,4cyclictest1024058-21kthreadcore21:53:410
82478699160,3cyclictest1027319-21/usr/sbin/munin21:58:370
82478699160,3cyclictest1027319-21/usr/sbin/munin21:58:370
82478699160,11cyclictest1095449-21tr22:53:390
824788991512,1cyclictest0-21swapper/223:25:002
824788991512,1cyclictest0-21swapper/200:08:342
824787991512,2cyclictest881160-21munin-plugin-st19:55:001
824787991512,2cyclictest824784-21cyclictest19:48:361
824787991512,2cyclictest1183827-21latency_hist00:05:021
824787991512,2cyclictest1177716-21latency_hist00:00:011
824787991512,2cyclictest1113314-21kthreadcore23:08:401
824787991512,2cyclictest1044984-21munin-plugin-st22:10:021
824787991512,2cyclictest1034477-21cut22:03:391
824787991512,2cyclictest0-21swapper/121:30:011
824787991511,3cyclictest955508-21irqcore20:58:391
82478699153,7cyclictest1339-21udisksd20:18:540
82478699153,7cyclictest1140048-21tr23:28:420
82478699151,2cyclictest501rcuop/223:23:320
824786991512,2cyclictest830936-21kthreadcore19:15:010
824786991512,2cyclictest1201797-21perf00:20:000
824786991512,2cyclictest1189972-21systemd-run00:10:010
824786991511,3cyclictest878143-21kthreadcore19:53:420
824786991511,3cyclictest1149275-21kernelversion23:38:400
824786991511,3cyclictest1146082-21kthreadcore23:33:410
12162692150,2sleep30-21swapper/300:33:373
11116672150,1sleep00-21swapper/023:08:350
824788991412,1cyclictest0-21swapper/221:53:362
824788991411,1cyclictest0-21swapper/222:28:382
824788991411,1cyclictest0-21swapper/222:25:012
824788991411,1cyclictest0-21swapper/222:10:012
824788991411,1cyclictest0-21swapper/222:05:012
824788991411,1cyclictest0-21swapper/220:58:372
824788991411,1cyclictest0-21swapper/220:30:012
824788991411,1cyclictest0-21swapper/219:28:302
824788991411,1cyclictest0-21swapper/219:23:372
82478799148,5cyclictest1077614-21cut22:38:401
82478799143,6cyclictest1062872-21grep22:25:011
824787991412,1cyclictest0-21swapper/120:35:011
824787991411,2cyclictest997880-21cut21:33:361
824787991411,2cyclictest980354-21kthreadcore21:18:421
824787991411,2cyclictest965666-21timerwakeupswit21:03:461
824787991411,2cyclictest918782-21cut20:28:381
824787991411,2cyclictest1220829-21cpuspeed_turbos00:38:351
824787991411,2cyclictest1154755-21gltestperf23:43:381
824787991411,2cyclictest1103132-21kthreadcore22:58:421
824787991411,2cyclictest1063558-21aten_repower_po22:28:331
824787991411,2cyclictest1056978-21systemd-run22:20:011
824787991411,2cyclictest0-21swapper/122:15:021
824787991411,2cyclictest0-21swapper/121:10:001
824787991411,2cyclictest0-21swapper/120:05:011
824787991410,3cyclictest937477-21irqcore20:43:391
824787991410,3cyclictest915962-21kthreadcore20:23:411
824787991410,3cyclictest1163108-21kthreadcore23:48:401
824787991410,3cyclictest0-21swapper/123:25:011
82478699145,4cyclictest984388-21munin-run21:20:010
82478699145,4cyclictest1159817-21sshd23:45:290
82478699145,4cyclictest1087841-21tr22:48:350
824786991411,2cyclictest972162-21apt-config21:10:000
824786991411,2cyclictest948495-21/usr/sbin/munin20:53:430
824786991411,2cyclictest913338-21irqrtprio20:23:390
824786991411,2cyclictest1290-21dbus-daemon22:40:010
824786991411,2cyclictest1286-21avahi-daemon21:25:010
824786991411,2cyclictest1179427-21irqrtprio00:03:410
824786991411,2cyclictest1052391-21irqcore22:18:390
824786991411,2cyclictest1040704-21kthreadcore22:08:400
824786991410,3cyclictest958628-21kthreadcore20:58:410
824786991410,3cyclictest846717-21irqcore19:28:390
82478699140,10cyclictest925313-21irqrtprio20:33:390
2649091140,1phc2sys0-21swapper/322:22:023
824788991312,0cyclictest0-21swapper/222:40:002
824788991311,1cyclictest0-21swapper/221:33:382
824788991311,1cyclictest0-21swapper/221:30:002
824788991311,1cyclictest0-21swapper/220:33:412
824788991311,1cyclictest0-21swapper/220:23:372
824788991310,1cyclictest0-21swapper/223:45:012
824788991310,1cyclictest0-21swapper/223:18:482
824788991310,1cyclictest0-21swapper/223:13:392
824788991310,1cyclictest0-21swapper/223:10:012
824788991310,1cyclictest0-21swapper/223:03:342
824788991310,1cyclictest0-21swapper/222:43:392
824788991310,1cyclictest0-21swapper/221:58:442
824788991310,1cyclictest0-21swapper/221:58:442
824788991310,1cyclictest0-21swapper/221:40:022
824788991310,1cyclictest0-21swapper/221:06:192
824788991310,1cyclictest0-21swapper/220:55:012
824788991310,1cyclictest0-21swapper/220:43:452
824788991310,1cyclictest0-21swapper/220:38:362
824788991310,1cyclictest0-21swapper/220:13:472
824788991310,1cyclictest0-21swapper/220:08:402
824788991310,1cyclictest0-21swapper/220:05:012
824788991310,1cyclictest0-21swapper/219:58:372
824788991310,1cyclictest0-21swapper/219:48:372
824788991310,1cyclictest0-21swapper/219:38:352
824788991310,1cyclictest0-21swapper/200:33:382
824788991310,1cyclictest0-21swapper/200:18:342
82478899130,1cyclictest0-21swapper/222:58:342
82478799139,3cyclictest1326-21systemd-logind00:20:021
82478799139,3cyclictest1217763-21kthreadcore00:33:381
82478799139,3cyclictest1135765-21aten_repower_po23:28:351
82478799139,3cyclictest1016431-21irqrtprio21:48:401
824787991311,1cyclictest1290-21dbus-daemon00:30:011
824787991310,2cyclictest975624-21kthreadcore21:13:421
824787991310,2cyclictest906720-21cut20:18:361
824787991310,2cyclictest860731-21kthreadcore19:38:401
824787991310,2cyclictest856287-21missed_timers19:33:421
824787991310,2cyclictest839793-21aten_repower_vo19:23:321
824787991310,2cyclictest1296-21polkitd23:31:301
824787991310,2cyclictest1189115-21processes00:08:441
824787991310,2cyclictest1171256-21timerwakeupswit23:53:471
824787991310,2cyclictest1022124-21if_enp1s0.821:53:381
82478799130,8cyclictest1032091-21sed21:58:441
82478799130,8cyclictest1032091-21sed21:58:441
82478699139,3cyclictest1288-1atopacctd22:28:390
82478699139,3cyclictest1208576-21aten_repower_vo00:28:340
82478699139,3cyclictest1207159-21pmu-power00:23:440
82478699139,3cyclictest1036550-21kthreadcore22:03:400
82478699139,1cyclictest501rcuop/221:11:000
82478699138,4cyclictest1118820-21irqrtprio23:13:380
82478699137,1cyclictest0-21swapper/021:03:340
82478699136,2cyclictest1081502-21apt-get22:43:330
82478699134,5cyclictest0-21swapper/019:24:380
82478699133,5cyclictest1190946-21cut00:13:370
824786991310,2cyclictest937641-21irqrtprio20:43:390
824786991310,2cyclictest900775-21gltestperf20:13:380
824786991310,2cyclictest884991-21kthreadcore19:58:400
824786991310,2cyclictest864457-21gltestperf19:43:360
824786991310,2cyclictest858925-21irqrtprio19:38:390
824786991310,2cyclictest824784-21cyclictest19:30:340
824786991310,2cyclictest1-21systemd22:31:450
824786991310,2cyclictest1214519-21aten_repower_en00:33:310
824786991310,2cyclictest1172205-21aten_repower_fr23:58:340
824786991310,2cyclictest1155292-21irqrtprio23:43:400
824786991310,2cyclictest1107198-21kthreadcore23:03:390
82478699130,8cyclictest1059349-21cut22:23:390
2649091130,2phc2sys0-21swapper/320:03:343
2649091130,1phc2sys0-21swapper/321:45:363
82478899129,1cyclictest0-21swapper/222:48:402
82478899129,1cyclictest0-21swapper/221:23:412
82478899129,1cyclictest0-21swapper/219:42:262
82478899121,1cyclictest0-21swapper/200:28:332
824788991211,0cyclictest0-21swapper/223:35:012
824788991210,1cyclictest0-21swapper/223:48:352
824788991210,1cyclictest0-21swapper/223:38:462
824788991210,1cyclictest0-21swapper/221:18:452
824788991210,1cyclictest0-21swapper/200:03:422
82478899120,1cyclictest0-21swapper/222:13:352
82478799129,2cyclictest949981-21kthreadcore20:53:391
82478799129,2cyclictest884245-21kthreadcore19:58:401
82478799129,2cyclictest1190398-21aten_repower_fr00:13:341
82478799129,2cyclictest1087561-21tail22:48:341
82478799129,2cyclictest1009541-21cpuspeed_turbos21:43:361
82478799128,3cyclictest945195-21kthreadcore20:48:401
82478799127,4cyclictest1093872-21cstates22:53:341
824787991210,1cyclictest901455-21kthreadcore20:13:401
82478699125,5cyclictest824889-21wc19:10:020
2649091120,2phc2sys0-21swapper/323:25:453
2649091120,1phc2sys0-21swapper/322:58:383
9347942110,3sleep30-21swapper/320:38:433
82478899119,1cyclictest0-21swapper/223:52:172
82478899119,1cyclictest0-21swapper/222:18:052
82478899119,1cyclictest0-21swapper/221:45:182
82478899119,1cyclictest0-21swapper/221:40:112
82478899119,1cyclictest0-21swapper/221:10:302
82478899119,1cyclictest0-21swapper/221:00:152
82478899119,1cyclictest0-21swapper/220:17:152
82478899119,1cyclictest0-21swapper/219:30:082
82478899119,1cyclictest0-21swapper/200:35:182
82478899119,1cyclictest0-21swapper/200:20:572
82478899119,1cyclictest0-21swapper/200:11:442
82478799118,2cyclictest134050irq/121-eno119:41:061
82478799111,5cyclictest1105600-21aten2.4-expect23:03:331
2649091111,2phc2sys0-21swapper/321:18:353
2649091110,1phc2sys0-21swapper/323:03:393
82478899108,1cyclictest0-21swapper/222:50:152
2649091100,2phc2sys0-21swapper/323:43:343
2649091100,2phc2sys0-21swapper/322:52:523
2649091100,2phc2sys0-21swapper/322:39:453
2649091100,2phc2sys0-21swapper/322:03:433
2649091100,2phc2sys0-21swapper/319:44:213
2649091100,2phc2sys0-21swapper/300:25:013
2649091100,1phc2sys0-21swapper/323:56:243
2649091100,1phc2sys0-21swapper/323:36:323
2649091100,1phc2sys0-21swapper/323:16:253
2649091100,1phc2sys0-21swapper/322:19:143
2649091100,1phc2sys0-21swapper/322:10:203
2649091100,1phc2sys0-21swapper/321:50:333
2649091100,1phc2sys0-21swapper/321:20:033
2649091100,1phc2sys0-21swapper/321:13:143
2649091100,1phc2sys0-21swapper/320:23:573
2649091100,1phc2sys0-21swapper/319:49:513
2649091100,1phc2sys0-21swapper/319:33:083
2649091100,1phc2sys0-21swapper/300:26:093
2649091100,1phc2sys0-21swapper/300:13:033
264909191,2phc2sys0-21swapper/323:13:403
264909191,2phc2sys0-21swapper/322:08:403
264909191,2phc2sys0-21swapper/320:48:423
264909191,2phc2sys0-21swapper/320:13:353
264909191,2phc2sys0-21swapper/319:28:473
264909191,2phc2sys0-21swapper/300:03:413
264909191,1phc2sys0-21swapper/319:18:383
264909190,2phc2sys0-21swapper/323:09:563
264909190,2phc2sys0-21swapper/320:30:023
264909190,2phc2sys0-21swapper/320:28:343
264909190,2phc2sys0-21swapper/319:59:563
264909190,2phc2sys0-21swapper/319:38:413
264909190,2phc2sys0-21swapper/319:08:363
264909190,2phc2sys0-21swapper/300:18:363
264909190,2phc2sys0-21swapper/300:08:423
264909190,1phc2sys0-21swapper/322:43:393
264909190,1phc2sys0-21swapper/320:15:403
8247889986,1cyclictest0-21swapper/219:10:022
264909181,2phc2sys0-21swapper/323:52:313
264909181,2phc2sys0-21swapper/323:47:583
264909181,2phc2sys0-21swapper/323:33:163
264909181,2phc2sys0-21swapper/320:55:023
264909181,2phc2sys0-21swapper/300:37:233
264909181,1phc2sys0-21swapper/320:58:353
264909180,3phc2sys0-21swapper/322:30:023
264909180,3phc2sys0-21swapper/320:43:443
264909180,3phc2sys0-21swapper/319:25:023
264909180,2phc2sys0-21swapper/323:22:303
264909180,2phc2sys0-21swapper/322:48:443
264909180,2phc2sys0-21swapper/322:33:373
264909180,2phc2sys0-21swapper/321:33:343
264909180,2phc2sys0-21swapper/321:28:413
264909180,2phc2sys0-21swapper/321:05:403
264909180,2phc2sys0-21swapper/319:53:363
264909180,1phc2sys0-21swapper/321:58:383
264909180,1phc2sys0-21swapper/321:58:383
264909180,1phc2sys0-21swapper/321:38:383
264909180,1phc2sys0-21swapper/320:07:423
264909170,1phc2sys0-21swapper/321:40:033
264909170,1phc2sys0-21swapper/321:00:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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