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2026-09-08 - 04:38
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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 Tue Sep 08, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
362761321880,2sleep30-21swapper/323:20:033
35209202730,2sleep30-21swapper/322:20:023
36096532370,2sleep30-21swapper/323:10:013
34590212360,2sleep30-21swapper/321:45:023
37446622340,2sleep00-21swapper/000:27:590
36581882320,2sleep30-21swapper/323:39:393
34679322310,1sleep20-21swapper/221:50:022
322871799300,8cyclictest3396922-21munin-run21:10:020
3228717992816,10cyclictest191rcu_preempt23:10:010
322871799274,18cyclictest0-21swapper/022:14:160
322871799270,20cyclictest3396756-21diskmemload22:39:170
322871799267,9cyclictest191rcu_preempt22:44:180
3228717992514,7cyclictest191rcu_preempt21:59:360
322871799251,12cyclictest0-21swapper/023:44:170
3228717992510,5cyclictest16-21ksoftirqd/000:39:420
322871799250,14cyclictest3314719-21cut20:14:250
322871799250,14cyclictest0-21swapper/019:59:170
322871799249,10cyclictest3688567-21latency23:54:410
322871799242,11cyclictest16-21ksoftirqd/000:15:000
3228717992411,7cyclictest3585776-21cstates22:59:340
322871799241,13cyclictest0-21swapper/020:54:160
322871799241,12cyclictest3487819-21cut22:04:180
3228717992410,5cyclictest16-21ksoftirqd/023:59:400
322871799240,14cyclictest0-21swapper/000:19:170
36437202230,2sleep20-21swapper/223:29:402
322871799237,6cyclictest3523696-21expr22:24:350
3228717992313,5cyclictest644-21rpcbind22:45:090
322871799230,3cyclictest3434512-21apt-get21:34:170
322871799230,15cyclictest0-21swapper/021:44:170
322871799230,13cyclictest0-21swapper/020:24:170
322871799230,13cyclictest0-21swapper/019:49:190
322871799230,12cyclictest3271507-21tr19:39:390
322871799230,11cyclictest3496722-21ssh22:09:190
3228718992215,3cyclictest778-21dbus-daemon21:10:031
322871799229,7cyclictest3661624-21tr23:39:410
322871799225,7cyclictest3548094-21kworker/u16:0+nfsiod22:53:060
3228717992210,6cyclictest3615568-21tr23:14:400
322871799220,8cyclictest3291047-21kthreadcore19:54:410
322871799220,3cyclictest0-21swapper/021:35:160
322871799220,12cyclictest3407904-21ssh21:19:190
322871799220,11cyclictest3700843-40updatedb.plocat00:04:300
322871799220,10cyclictest3630066-21ssh23:24:350
3228719992117,2cyclictest0-21swapper/223:44:172
3228718992112,4cyclictest3551554-21kthreadcore22:39:391
322871799219,6cyclictest3624094-21tr23:19:390
322871799219,6cyclictest3357964-21tr20:44:380
322871799214,8cyclictest191rcu_preempt21:49:160
322871799213,7cyclictest191rcu_preempt23:30:580
3228717992114,3cyclictest191rcu_preempt19:12:240
3228717992113,4cyclictest191rcu_preempt21:04:190
3228717992113,3cyclictest191rcu_preempt23:49:210
3228717992111,4cyclictest191rcu_preempt21:24:160
3228717992111,3cyclictest191rcu_preempt23:03:000
322871799210,8cyclictest3533451-21sed22:29:390
322871799210,10cyclictest3752231-21sshd-auth00:30:130
322871799209,5cyclictest16-21ksoftirqd/019:44:360
322871799205,4cyclictest191rcu_preempt20:29:410
322871799204,10cyclictest3366019-21tr20:49:380
322871799203,8cyclictest16-21ksoftirqd/019:24:390
322871799202,7cyclictest0-21swapper/021:26:500
322871799202,6cyclictest191rcu_preempt22:33:540
322871799201,9cyclictest3350750-21kthreadcore20:39:390
322871799201,8cyclictest3475130-21kthreadcore21:54:410
3228717992012,4cyclictest191rcu_preempt23:27:420
3228717992012,4cyclictest191rcu_preempt19:29:420
3228717992012,3cyclictest191rcu_preempt19:33:540
3228717992011,4cyclictest191rcu_preempt00:09:280
3228717992010,5cyclictest16-21ksoftirqd/020:19:380
322871799200,9cyclictest3377823-21irqcore20:59:400
322871799200,3cyclictest0-21swapper/000:21:090
322871799200,10cyclictest3518492-21tr22:19:400
322871799200,10cyclictest0-21swapper/020:09:170
2213291200,2phc2sys0-21swapper/322:42:483
3228719991916,1cyclictest0-21swapper/219:50:012
3228719991915,2cyclictest0-21swapper/221:59:362
3228719991915,1cyclictest0-21swapper/220:09:172
3228719991913,2cyclictest0-21swapper/221:34:172
322871899191,7cyclictest3745322-21apt-get00:29:191
322871799197,5cyclictest191rcu_preempt20:34:420
322871799190,9cyclictest16-21ksoftirqd/021:14:220
322871999182,9cyclictest0-21swapper/200:29:202
3228719991814,2cyclictest0-21swapper/223:14:342
3228719991813,2cyclictest0-21swapper/222:58:182
3228719991812,3cyclictest35802592sleep222:54:402
3228718991815,2cyclictest3476826-21systemd-run21:55:021
3228718991811,5cyclictest3452930-21uniq21:44:361
3228718991811,3cyclictest3507900-21kthreadcore22:14:391
3228718991810,2cyclictest82050irq/121-eno121:19:191
322871799187,6cyclictest3228729-21tar19:10:020
3228717991812,3cyclictest3059442-21kworker/u16:1+events_unbound20:04:360
322871799180,4cyclictest3237262-21kthreadcore19:15:040
2213291181,4phc2sys0-21swapper/321:33:173
2213291180,2phc2sys0-21swapper/323:30:313
322871999177,7cyclictest33905432sleep221:09:182
3228719991714,1cyclictest0-21swapper/223:50:002
3228719991714,1cyclictest0-21swapper/221:19:492
3228719991714,1cyclictest0-21swapper/220:44:452
3228719991714,1cyclictest0-21swapper/220:34:392
3228719991714,1cyclictest0-21swapper/220:29:412
3228719991714,1cyclictest0-21swapper/219:39:372
3228719991714,1cyclictest0-21swapper/200:19:392
3228719991714,1cyclictest0-21swapper/200:09:432
3228719991713,2cyclictest0-21swapper/222:08:492
3228719991712,3cyclictest0-21swapper/222:04:172
3228719991712,2cyclictest0-21swapper/221:43:422
3228719991712,2cyclictest0-21swapper/219:40:482
3228719991712,2cyclictest0-21swapper/200:02:242
3228718991714,2cyclictest3576937-21cstates22:54:351
3228718991714,2cyclictest3480343-21tr21:59:361
3228718991713,3cyclictest3565029-21unixbench_multi22:44:471
3228718991713,3cyclictest3324542-21kthreadcore20:19:391
322871899171,10cyclictest778-21dbus-daemon22:10:011
2213291171,5phc2sys0-21swapper/323:54:163
2213291171,3phc2sys0-21swapper/322:29:183
2213291171,2phc2sys0-21swapper/300:24:383
2213291170,2phc2sys0-21swapper/321:58:023
2213291170,2phc2sys0-21swapper/321:22:213
2213291170,2phc2sys0-21swapper/319:59:423
322871999162,7cyclictest0-21swapper/223:09:212
322871999161,7cyclictest0-21swapper/221:24:162
3228719991614,1cyclictest0-21swapper/219:15:042
3228719991613,1cyclictest0-21swapper/223:59:372
3228719991613,1cyclictest0-21swapper/223:39:402
3228719991613,1cyclictest0-21swapper/223:34:382
3228719991613,1cyclictest0-21swapper/223:04:362
3228719991613,1cyclictest0-21swapper/222:44:412
3228719991613,1cyclictest0-21swapper/222:39:382
3228719991613,1cyclictest0-21swapper/222:29:182
3228719991613,1cyclictest0-21swapper/222:19:392
3228719991613,1cyclictest0-21swapper/222:14:362
3228719991613,1cyclictest0-21swapper/221:39:342
3228719991613,1cyclictest0-21swapper/221:29:442
3228719991613,1cyclictest0-21swapper/221:14:412
3228719991613,1cyclictest0-21swapper/221:04:432
3228719991613,1cyclictest0-21swapper/220:59:432
3228719991613,1cyclictest0-21swapper/220:49:342
3228719991613,1cyclictest0-21swapper/220:39:242
3228719991613,1cyclictest0-21swapper/220:24:172
3228719991613,1cyclictest0-21swapper/220:19:382
3228719991613,1cyclictest0-21swapper/219:34:342
3228719991613,1cyclictest0-21swapper/219:24:382
3228719991613,1cyclictest0-21swapper/219:14:382
3228719991613,1cyclictest0-21swapper/200:24:412
3228719991613,1cyclictest0-21swapper/200:14:272
3228719991612,2cyclictest0-21swapper/223:24:402
3228719991612,2cyclictest0-21swapper/223:19:162
3228719991612,2cyclictest0-21swapper/222:49:422
3228719991612,2cyclictest0-21swapper/222:32:562
322871899169,6cyclictest3423295-21idleruntime-cro21:25:001
322871899166,8cyclictest3229769-21expr19:14:341
322871899162,4cyclictest0-21swapper/100:04:151
3228718991614,1cyclictest3727442-21/usr/sbin/munin00:19:161
3228718991613,2cyclictest798-21mta-sts-daemon23:31:591
3228718991613,2cyclictest3609729-21systemd-run23:10:011
3228718991613,2cyclictest3574128-21dump-pmu-power22:50:001
3228718991613,2cyclictest3529790-21appstreamcli22:25:021
3228718991613,2cyclictest3369448-21systemd-run20:50:031
3228718991613,2cyclictest1188-21runrttasks22:01:231
3228718991612,3cyclictest3331169-21kthreadcore20:24:391
3228718991612,3cyclictest24616-21JS14:54:061
2213291160,3phc2sys0-21swapper/300:18:483
2213291160,2phc2sys0-21swapper/321:36:203
36115482150,2sleep30-21swapper/323:13:293
322871999152,10cyclictest32870742sleep219:54:192
322871999151,6cyclictest0-21swapper/219:59:162
3228719991513,1cyclictest0-21swapper/221:54:382
3228719991512,2cyclictest0-21swapper/200:39:192
3228719991512,1cyclictest0-21swapper/222:20:112
3228719991512,1cyclictest0-21swapper/220:51:222
3228719991512,1cyclictest0-21swapper/220:14:002
3228719991512,1cyclictest0-21swapper/219:29:392
3228719991512,1cyclictest0-21swapper/219:10:022
3228719991512,1cyclictest0-21swapper/200:34:172
3228718991512,2cyclictest977-21rs:main1
3228718991512,2cyclictest3398120-21runrttasks21:12:141
3228718991512,2cyclictest3357373-21kthreadcore20:44:381
3228718991512,2cyclictest3284307-21kthreadcore19:49:421
3228718991512,2cyclictest3228714-21cyclictest22:19:441
3228718991512,2cyclictest24648-21gmain23:22:431
3228718991512,2cyclictest1188-21runrttasks00:37:091
3228718991511,3cyclictest3720024-21kthreadcore00:14:381
3228718991511,3cyclictest3677344-21kthreadcore23:49:441
3228718991511,3cyclictest3589216-21kthreadcore22:59:401
3228718991511,3cyclictest3576655-21kworker/u16:3+nfsiod23:02:191
3228718991511,3cyclictest3548094-21kworker/u16:0+nfsiod23:14:451
3228718991511,3cyclictest3382447-21ptp4l20:59:461
3228718991511,3cyclictest3339205-21kthreadcore20:29:401
3228718991511,3cyclictest3318424-21kthreadcore20:14:451
3228718991511,3cyclictest3295448-21kthreadcore19:59:381
3228718991511,3cyclictest3260765-21kthreadcore19:34:391
3228718991511,3cyclictest3228714-21cyclictest23:59:401
3228718991511,3cyclictest3059442-21kworker/u16:1+nfsiod22:31:381
2213291152,2phc2sys0-21swapper/321:09:563
2213291151,3phc2sys0-21swapper/319:14:163
2213291151,2phc2sys0-21swapper/321:45:073
2213291150,5phc2sys0-21swapper/321:15:363
2213291150,4phc2sys0-21swapper/323:28:253
2213291150,3phc2sys0-21swapper/322:03:143
2213291150,2phc2sys0-21swapper/322:49:563
2213291150,2phc2sys0-21swapper/321:29:203
3228719991412,1cyclictest0-21swapper/220:04:252
3228719991411,2cyclictest0-21swapper/223:50:042
322871899144,2cyclictest0-21swapper/121:49:491
322871899141,5cyclictest3442433-21ssh21:37:201
3228718991411,2cyclictest778-21dbus-daemon21:30:001
3228718991411,2cyclictest3757403-21kthreadcore00:34:401
3228718991411,2cyclictest3686166-21kthreadcore23:54:391
3228718991411,2cyclictest3538654-21systemd-run22:30:011
3228718991411,2cyclictest3310771-21kthreadcore20:09:401
3228718991411,2cyclictest24619-21llvmpipe-121:03:591
3228718991411,2cyclictest1-21systemd20:35:011
3228718991410,3cyclictest3712891-21kthreadcore00:09:431
3228718991410,3cyclictest3666667-21sort23:44:381
3228718991410,3cyclictest3654262-21kworker/u16:0+nfsiod23:38:331
3228718991410,3cyclictest3639866-21irqrtprio23:29:371
3228718991410,3cyclictest3438063-21kthreadcore21:34:411
3228718991410,3cyclictest3373381-21kthreadcore20:54:391
3228718991410,3cyclictest3267453-21irqcore19:39:361
3228718991410,3cyclictest3242904-21kthreadcore19:19:391
2447398140,9rtkit-daemon3620239-21ssh23:18:061
2213291141,4phc2sys0-21swapper/319:44:183
2213291141,2phc2sys0-21swapper/322:57:443
2213291140,2phc2sys0-21swapper/323:42:303
2213291140,2phc2sys0-21swapper/320:36:003
2213291140,2phc2sys0-21swapper/320:32:593
36355472130,2sleep30-21swapper/323:24:443
322871899139,3cyclictest3273865-21sh19:44:351
322871899136,6cyclictest351ktimers/119:29:181
3228718991310,2cyclictest3736837-21tr00:24:341
3228718991310,2cyclictest3300828-21acpi20:04:171
2213291137,2phc2sys0-21swapper/300:37:483
2213291130,2phc2sys0-21swapper/322:34:473
2213291130,2phc2sys0-21swapper/320:49:513
2213291130,2phc2sys0-21swapper/300:27:393
2213291130,2phc2sys0-21swapper/300:10:593
322871899125,2cyclictest82050irq/121-eno119:54:181
2213291120,2phc2sys0-21swapper/319:36:403
2213291120,1phc2sys0-21swapper/321:13:563
2213291120,1phc2sys0-21swapper/320:28:083
2213291112,2phc2sys0-21swapper/300:08:233
2213291111,2phc2sys0-21swapper/323:45:303
2213291110,4phc2sys0-21swapper/322:14:163
2213291110,4phc2sys0-21swapper/320:20:053
2213291110,3phc2sys0-21swapper/320:04:183
2213291110,2phc2sys0-21swapper/322:38:403
2213291110,2phc2sys0-21swapper/319:27:383
2213291110,1phc2sys0-21swapper/320:55:223
2213291110,1phc2sys0-21swapper/320:51:083
2213291110,1phc2sys0-21swapper/319:50:323
32284842100,3sleep11570966-1atop19:10:011
2213291102,2phc2sys0-21swapper/321:04:473
2213291101,2phc2sys0-21swapper/320:14:453
2213291100,4phc2sys0-21swapper/322:50:173
2213291100,3phc2sys0-21swapper/300:31:523
2213291100,2phc2sys0-21swapper/323:01:043
2213291100,2phc2sys0-21swapper/322:22:363
2213291100,2phc2sys0-21swapper/322:06:003
2213291100,2phc2sys0-21swapper/300:04:383
2213291100,2phc2sys0-21swapper/300:00:013
221329193,2phc2sys0-21swapper/320:44:383
221329191,2phc2sys0-21swapper/319:16:003
221329191,2phc2sys0-21swapper/319:09:393
221329190,2phc2sys0-21swapper/321:50:563
221329190,2phc2sys0-21swapper/320:19:343
221329190,2phc2sys0-21swapper/320:05:033
221329190,2phc2sys0-21swapper/319:49:363
221329190,2phc2sys0-21swapper/319:34:413
221329190,2phc2sys0-21swapper/319:24:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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