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2025-11-17 - 13:30
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot4.osadl.org (updated Mon Nov 17, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
378979099311,21cyclictest4077759-21apt-get23:20:133
378979099300,22cyclictest3795134-21systemd19:15:003
378979099291,20cyclictest3913304-21diskmemload22:28:213
378979099290,26cyclictest0-21swapper/323:07:353
378979099290,22cyclictest4172034-21ssh00:35:013
378979099290,20cyclictest3471731-21systemd-journal23:55:003
378979099280,21cyclictest3968722-21ntpq21:50:233
378979099280,20cyclictest0-21swapper/323:59:553
378979099280,19cyclictest0-21swapper/300:30:033
378979099280,19cyclictest0-21swapper/300:20:093
378978399282,22cyclictest4046482-21apt-get22:55:141
3789790992717,9cyclictest3932381-21ssh21:25:063
378979099270,26cyclictest0-21swapper/300:01:433
378979099270,20cyclictest3913304-21diskmemload22:51:233
378979099270,20cyclictest0-21swapper/321:18:233
378979099270,1cyclictest3957719-21ssh21:45:003
378978399272,21cyclictest3970910-21apt-get21:55:161
378978399270,21cyclictest191rcu_preempt22:28:521
378977899270,2cyclictest3938439-21apt-config21:29:590
3789790992617,8cyclictest3943823-21ssh21:30:593
378979099260,25cyclictest4101396-21sh23:36:303
378979099260,25cyclictest0-21swapper/322:06:413
378979099260,25cyclictest0-21swapper/322:06:403
378979099260,24cyclictest0-21swapper/322:40:323
378979099260,20cyclictest0-21swapper/323:00:503
378979099260,20cyclictest0-21swapper/321:22:273
378979099260,20cyclictest0-21swapper/300:10:163
378979099260,19cyclictest0-21swapper/322:20:123
378979099260,19cyclictest0-21swapper/300:27:493
378979099260,18cyclictest0-21swapper/321:47:433
378978399262,4cyclictest4033507-21apt-get22:45:111
378978399261,22cyclictest3983386-21apt-get22:05:161
378978399261,22cyclictest3983386-21apt-get22:05:151
378978399261,21cyclictest4153403-21apt-get00:20:171
378978399261,21cyclictest4002190-21apt-get22:20:121
378978399261,21cyclictest0-21swapper/121:50:131
3789790992518,5cyclictest3877299-21munin-run20:35:013
3789790992516,8cyclictest4114958-21ssh23:49:593
378979099251,23cyclictest3913304-21diskmemload22:55:533
378979099251,21cyclictest0-21swapper/300:05:143
378979099251,1cyclictest0-21swapper/323:25:133
378979099251,1cyclictest0-21swapper/319:45:153
378979099251,1cyclictest0-21swapper/300:15:143
378979099250,22cyclictest0-21swapper/322:45:023
378979099250,1cyclictest0-21swapper/323:31:583
378978799252,20cyclictest3795796-21apt-get19:15:122
3789787992520,3cyclictest3800876-21apt-get19:20:112
378978399252,3cyclictest4071544-21apt-get23:15:141
3789783992520,3cyclictest3958333-21apt-get21:45:141
3789783992520,3cyclictest3805703-21cron19:25:001
378978399251,23cyclictest3994570-21ssh22:11:381
378978399251,23cyclictest3994570-21ssh22:11:381
378978399251,22cyclictest3471731-21systemd-journal22:55:011
378978399251,20cyclictest0-21swapper/119:30:141
3789778992522,2cyclictest3826463-21cron19:45:010
3789778992522,2cyclictest3826463-21cron19:45:000
378977899251,22cyclictest3877556-21apt-get20:35:150
3789790992419,4cyclictest0-21swapper/323:12:083
3789790992417,6cyclictest0-21swapper/323:19:493
3789790992416,7cyclictest3913304-21diskmemload21:57:093
3789790992415,8cyclictest3913304-21diskmemload22:33:453
3789790992415,7cyclictest3789961-21cut19:10:013
3789790992412,2cyclictest0-21swapper/323:40:253
378979099241,20cyclictest3913304-21diskmemload21:10:083
378979099240,2cyclictest3913304-21diskmemload22:19:463
378979099240,20cyclictest3945399-21ssh21:35:163
378979099240,1cyclictest0-21swapper/319:40:153
378979099240,1cyclictest0-21swapper/319:40:153
378978799241,21cyclictest4165903-21apt-get00:30:172
378978799241,21cyclictest4109032-21apt-get23:45:152
378978799241,21cyclictest3887733-21apt-get20:45:132
378978799241,20cyclictest0-21swapper/223:50:082
378978799240,4cyclictest3471731-21systemd-journal23:20:002
378978399245,9cyclictest3795117-21munin-run19:15:001
3789783992420,2cyclictest3913304-21diskmemload23:30:071
3789783992419,3cyclictest4087982-21ntpq23:25:231
378978399241,3cyclictest3913304-21diskmemload21:35:081
378978399241,3cyclictest3867398-21apt-get20:25:141
378978399241,21cyclictest3913304-21diskmemload21:22:131
378978399241,21cyclictest3913304-21diskmemload21:14:041
378978399241,20cyclictest0-21swapper/100:25:051
378978399240,22cyclictest4064977-21cron23:10:011
378978399240,21cyclictest3913304-21diskmemload00:05:031
378978399240,21cyclictest3898398-21ps20:55:161
378978399240,21cyclictest0-21swapper/122:00:131
378978399240,21cyclictest0-21swapper/121:15:161
378977899242,21cyclictest4065301-21apt-get23:10:150
378977899242,21cyclictest3872454-21apt-get20:30:130
3789778992420,2cyclictest3908496-21apt-get21:05:140
3789778992420,2cyclictest3852136-21apt-get20:10:130
378977899241,2cyclictest3977145-21apt-get22:00:140
378977899241,21cyclictest4121567-21apt-get23:55:140
378977899240,20cyclictest3913304-21diskmemload21:53:080
3789790992318,4cyclictest3913304-21diskmemload22:01:163
3789790992316,6cyclictest3913304-21diskmemload22:12:033
3789790992316,6cyclictest3913304-21diskmemload22:12:033
3789790992314,8cyclictest3902891-21latency_hist21:00:003
3789790992311,2cyclictest3806471-21cpuspeed_turbos19:25:133
3789787992319,2cyclictest3913304-21diskmemload21:10:102
3789787992317,1cyclictest191rcu_preempt21:50:012
378978799231,2cyclictest3913304-21diskmemload23:05:162
378978799231,2cyclictest3913304-21diskmemload00:02:262
378978799231,21cyclictest4102802-21ssh23:40:122
378978799231,20cyclictest3982421-21ssh22:02:562
378978799231,20cyclictest3913304-21diskmemload23:28:072
378978799231,20cyclictest3913304-21diskmemload22:20:292
378978799231,20cyclictest0-21swapper/220:40:142
378978799230,4cyclictest3931662-21ssh21:23:372
378978799230,3cyclictest4014411-21ssh22:29:542
378978799230,3cyclictest3944879-21ssh21:34:272
378978799230,3cyclictest3847042-21taskset20:05:152
378978799230,22cyclictest4044377-21ssh22:50:382
378978799230,22cyclictest4001005-21ssh22:17:132
378978799230,22cyclictest3806405-21seq19:25:112
378978799230,21cyclictest4150484-21cut00:15:202
378978799230,21cyclictest4144701-21memory00:10:232
378978799230,21cyclictest3995472-21ssh22:14:312
378978799230,21cyclictest3995472-21ssh22:14:312
378978799230,20cyclictest3913304-21diskmemload23:36:162
3789783992319,2cyclictest4127863-21apt-get00:00:141
378978399231,2cyclictest3913304-21diskmemload23:37:481
378978399231,2cyclictest3913304-21diskmemload23:00:191
378978399231,2cyclictest3913304-21diskmemload21:26:331
378978399231,2cyclictest3913304-21diskmemload00:33:531
378978399231,2cyclictest3862319-21apt-get20:20:141
378978399231,2cyclictest0-21swapper/122:30:151
378978399231,2cyclictest0-21swapper/121:42:151
378978399231,21cyclictest3913304-21diskmemload22:41:501
378978399231,21cyclictest3913304-21diskmemload00:36:431
378978399231,21cyclictest3913304-21diskmemload00:11:351
378978399231,21cyclictest0-21swapper/119:40:171
378978399231,21cyclictest0-21swapper/119:40:161
378978399231,20cyclictest3913304-21diskmemload22:15:281
378978399231,20cyclictest3913304-21diskmemload21:32:321
378978399230,22cyclictest4082321-21ssh23:20:421
378978399230,20cyclictest4102809-21ssh23:40:121
378978399230,20cyclictest0-21swapper/123:55:141
378978399230,20cyclictest0-21swapper/122:35:011
378978399230,20cyclictest0-21swapper/121:05:151
378978399230,20cyclictest0-21swapper/120:50:131
3789778992320,2cyclictest3847039-21apt-get20:05:160
3789778992319,3cyclictest3942755-21tr21:30:190
378977899231,2cyclictest3913304-21diskmemload22:12:400
378977899231,2cyclictest3913304-21diskmemload22:12:390
378977899231,2cyclictest3811463-21apt-get19:30:140
378977899231,21cyclictest3913304-21diskmemload00:20:420
378977899231,21cyclictest3471731-21systemd-journal23:30:010
378977899231,20cyclictest4147138-21apt-get00:15:140
378977899231,20cyclictest3913304-21diskmemload00:02:150
3789790992217,3cyclictest0-21swapper/321:05:143
3789790992215,0cyclictest0-21swapper/322:38:423
3789790992212,3cyclictest3811966-21cut19:30:183
378979099220,20cyclictest0-21swapper/320:25:143
378979099220,19cyclictest0-21swapper/320:15:143
3789787992219,2cyclictest4033514-21ssh22:45:112
3789787992219,2cyclictest3913304-21diskmemload21:58:152
3789787992219,1cyclictest3913304-21diskmemload21:41:042
3789787992218,3cyclictest4176784-21ssh00:36:012
3789787992218,2cyclictest0-21swapper/219:30:142
378978799221,2cyclictest3913304-21diskmemload22:58:522
378978799221,2cyclictest3913304-21diskmemload21:53:302
378978799221,20cyclictest3913304-21diskmemload22:05:532
378978799221,20cyclictest3913304-21diskmemload22:05:522
378978799221,20cyclictest3913304-21diskmemload21:35:512
378978799221,20cyclictest3913304-21diskmemload00:25:032
378978799221,20cyclictest3913304-21diskmemload00:05:512
378978799221,20cyclictest0-21swapper/223:55:042
378978799221,20cyclictest0-21swapper/223:22:262
378978799221,19cyclictest3913304-21diskmemload21:28:222
378978799220,2cyclictest0-21swapper/220:30:132
378978799220,21cyclictest3913304-21diskmemload23:31:262
378978799220,21cyclictest3913304-21diskmemload22:31:152
378978799220,21cyclictest0-21swapper/223:10:152
378978799220,20cyclictest4052791-21ssh23:00:122
378978799220,20cyclictest3913304-21diskmemload00:20:312
3789783992219,2cyclictest0-21swapper/123:50:221
3789783992219,1cyclictest0-21swapper/119:35:141
3789783992217,3cyclictest4112172-21kthreadcore23:45:231
3789783992216,4cyclictest3832318-21ps19:50:181
378978399220,2cyclictest64-21kcompactd019:47:371
378978399220,21cyclictest0-21swapper/120:33:191
378978399220,19cyclictest0-21swapper/100:15:021
3789778992219,2cyclictest4105074-21kthreadcore23:40:180
3789778992219,2cyclictest3913304-21diskmemload22:52:500
3789778992219,1cyclictest0-21swapper/000:30:170
378977899221,2cyclictest4059043-21apt-get23:05:170
378977899221,2cyclictest3995939-21apt-get22:15:130
378977899221,2cyclictest3913304-21diskmemload23:18:050
378977899221,2cyclictest3913304-21diskmemload22:42:320
378977899221,20cyclictest3841982-21apt-get20:00:150
378977899221,1cyclictest3913304-21diskmemload00:14:360
378977899221,19cyclictest4020190-21ssh22:33:260
378977899220,21cyclictest64-21kcompactd023:45:010
378977899220,21cyclictest4058139-21ssh23:03:070
378977899220,21cyclictest3951246-21ssh21:39:530
378977899220,21cyclictest3913304-21diskmemload00:05:580
378977899220,20cyclictest245621450irq/127-enp0s29f1:rx-022:05:170
378977899220,20cyclictest245621450irq/127-enp0s29f1:rx-022:05:170
378977899220,19cyclictest0-21swapper/020:45:120
3789790992119,1cyclictest0-21swapper/320:54:183
3789790992117,3cyclictest3882379-21cron20:40:003
378979099211,19cyclictest0-21swapper/319:15:133
378979099210,20cyclictest3821414-21awk19:40:013
3789787992117,3cyclictest3908226-21apt21:05:012
378978799211,1cyclictest0-21swapper/220:10:132
378978799211,1cyclictest0-21swapper/219:59:272
378978799210,2cyclictest0-21swapper/222:35:222
378978799210,20cyclictest64-21kcompactd020:57:302
378978799210,20cyclictest3924738-21ssh21:16:252
378978799210,20cyclictest0-21swapper/222:42:352
378978799210,1cyclictest391rcuc/219:35:192
378978799210,1cyclictest0-21swapper/219:45:152
3789783992118,2cyclictest0-21swapper/119:55:131
378978399211,2cyclictest0-21swapper/120:14:301
378978399210,2cyclictest64-21kcompactd020:39:471
378978399210,20cyclictest1-21systemd20:20:001
378978399210,20cyclictest0-21swapper/121:02:211
378978399210,20cyclictest0-21swapper/119:10:001
3789778992119,1cyclictest4096535-21apt-get23:35:130
3789778992119,1cyclictest4094306-21ntpq23:30:250
3789778992119,1cyclictest3913304-21diskmemload22:35:220
3789778992119,1cyclictest3913304-21diskmemload21:19:420
3789778992119,1cyclictest0-21swapper/019:25:130
3789778992118,2cyclictest4010608-21ssh22:25:180
3789778992118,2cyclictest3913304-21diskmemload23:21:480
3789778992118,2cyclictest3913304-21diskmemload22:24:050
3789778992118,2cyclictest3913304-21diskmemload21:47:430
378977899210,2cyclictest3913304-21diskmemload21:57:270
378977899210,2cyclictest245621450irq/127-enp0s29f1:rx-019:50:140
378977899210,20cyclictest3913304-21diskmemload22:55:140
378977899210,20cyclictest3913304-21diskmemload00:37:230
378977899210,20cyclictest3913304-21diskmemload00:25:130
378977899210,20cyclictest3790278-21apt-get19:10:030
378977899210,20cyclictest0-21swapper/020:40:140
378977899210,1cyclictest3930994-21ssh21:21:290
378977899210,1cyclictest3913304-21diskmemload21:43:330
378977899210,1cyclictest3826743-21apt-get19:45:130
3789790992018,1cyclictest0-21swapper/320:45:123
3789790992017,2cyclictest0-21swapper/320:10:133
378979099200,1cyclictest0-21swapper/319:55:133
378978799200,1cyclictest0-21swapper/221:05:352
378978799200,1cyclictest0-21swapper/219:50:132
3789783992017,2cyclictest0-21swapper/119:15:121
3789783992016,2cyclictest0-21swapper/120:05:161
378978399200,2cyclictest0-21swapper/119:28:491
3789778992018,1cyclictest0-21swapper/020:55:210
3789778992018,1cyclictest0-21swapper/020:15:340
378977899200,1cyclictest0-21swapper/022:45:130
378977899200,1cyclictest0-21swapper/020:51:040
378977899200,1cyclictest0-21swapper/019:55:130
378977899200,19cyclictest3913649-21apt-get21:10:140
378977899200,19cyclictest0-21swapper/019:15:120
3789790991916,2cyclictest3801378-21irqcore19:20:163
378979099190,19cyclictest0-21swapper/319:51:233
3789787991916,1cyclictest0-21swapper/220:15:142
378978799190,1cyclictest0-21swapper/220:02:412
3789778991917,1cyclictest0-21swapper/019:35:140
3789778991915,2cyclictest3867884-21ps20:25:180
3789790991815,2cyclictest0-21swapper/320:00:163
3789790991813,3cyclictest0-21swapper/320:45:003
3789787991817,1cyclictest0-21swapper/219:13:132
3789787991815,2cyclictest3789850-21sed19:10:012
3789778991813,4cyclictest0-21swapper/019:25:000
3789787991714,2cyclictest0-21swapper/220:25:142
3789790991614,1cyclictest0-21swapper/321:01:493
3789787991614,1cyclictest0-21swapper/220:54:182
3789787991613,2cyclictest0-21swapper/220:35:152
3789783991511,2cyclictest3888218-21ps20:45:171
3789778991513,2cyclictest245621450irq/127-enp0s29f1:rx-020:21:260
378979099148,4cyclictest3849283-21sed20:05:213
3789787991411,2cyclictest3862822-21irqcore20:20:182
3789778991411,2cyclictest3908216-21cron21:05:000
3789790991311,1cyclictest0-21swapper/320:20:133
3789783991310,2cyclictest0-21swapper/120:01:031
3789778991310,2cyclictest211rcuc/019:10:000
3789787991210,1cyclictest0-21swapper/219:40:382
3789787991210,1cyclictest0-21swapper/219:40:382
378978399129,2cyclictest3882726-21cpuspeed_turbos20:40:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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