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2026-01-04 - 05:57
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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 rackbslot6.osadl.org (updated Sun Jan 04, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2619121610,4sleep22358499cyclictest23:07:522
334421460,5sleep12358099cyclictest22:45:101
410521400,3sleep12358099cyclictest20:52:531
106891970,5ptp4l401ktimersoftd/319:21:353
313012810,2sleep031304-21switchtime00:18:000
106891660,1ptp4l401ktimersoftd/319:26:293
323202650,2sleep30-21swapper/322:08:153
217582630,2sleep20-21swapper/221:57:542
106891590,1ptp4l401ktimersoftd/323:53:373
292032580,5sleep12358099cyclictest22:06:201
106891580,1ptp4l401ktimersoftd/319:40:453
106891570,1ptp4l401ktimersoftd/323:58:133
106891570,1ptp4l401ktimersoftd/300:44:153
203402560,1sleep30-21swapper/322:29:143
106891560,1ptp4l401ktimersoftd/323:13:473
106891550,1ptp4l401ktimersoftd/323:38:433
108182540,3sleep210819-21latency21:07:472
106891530,1ptp4l401ktimersoftd/300:32:103
78352520,2sleep20-21swapper/223:54:412
24312510,2sleep00-21swapper/021:38:250
23575995138,8cyclictest9-21ksoftirqd/000:07:450
106891500,1ptp4l401ktimersoftd/300:39:593
23575994936,6cyclictest9-21ksoftirqd/023:47:420
23575994634,7cyclictest9-21ksoftirqd/000:02:440
23575994633,6cyclictest9-21ksoftirqd/022:27:410
23575994532,7cyclictest9-21ksoftirqd/000:12:440
106891430,1ptp4l401ktimersoftd/323:34:223
23575994232,5cyclictest9-21ksoftirqd/000:42:450
106891420,2ptp4l14397-21kworker/3:221:40:013
23575994130,4cyclictest9-21ksoftirqd/019:32:380
106891400,2ptp4l14397-21kworker/3:221:30:533
106891400,0ptp4l401ktimersoftd/320:57:513
106891390,1ptp4l401ktimersoftd/323:02:353
106891390,1ptp4l401ktimersoftd/322:32:513
106891390,1ptp4l401ktimersoftd/322:25:323
106891390,1ptp4l401ktimersoftd/320:42:463
23575993826,5cyclictest9-21ksoftirqd/021:57:430
106891380,1ptp4l401ktimersoftd/323:44:473
106891380,1ptp4l401ktimersoftd/323:44:473
106891380,1ptp4l401ktimersoftd/322:21:323
106891380,1ptp4l401ktimersoftd/322:14:043
106891380,1ptp4l401ktimersoftd/321:53:233
106891380,1ptp4l401ktimersoftd/321:53:233
106891380,1ptp4l401ktimersoftd/321:42:413
106891380,1ptp4l401ktimersoftd/321:42:413
106891380,1ptp4l401ktimersoftd/300:07:523
106891380,1ptp4l401ktimersoftd/300:04:273
23575993726,6cyclictest9-21ksoftirqd/023:22:430
23575993724,7cyclictest9-21ksoftirqd/023:27:450
106891370,3ptp4l14397-21kworker/3:221:22:543
106891370,1ptp4l401ktimersoftd/323:29:153
106891370,1ptp4l401ktimersoftd/323:25:383
106891370,1ptp4l401ktimersoftd/322:58:323
106891370,1ptp4l401ktimersoftd/322:02:003
106891370,1ptp4l401ktimersoftd/300:50:383
106891370,1ptp4l401ktimersoftd/300:35:303
106891370,1ptp4l401ktimersoftd/300:21:163
106891370,0ptp4l401ktimersoftd/322:44:283
219072363,19sleep022005-21if_ens319:17:440
106891360,1ptp4l401ktimersoftd/323:49:473
106891360,1ptp4l401ktimersoftd/322:48:003
106891360,1ptp4l401ktimersoftd/321:33:343
106891360,1ptp4l401ktimersoftd/300:14:083
106891360,0ptp4l401ktimersoftd/322:38:103
106891360,0ptp4l401ktimersoftd/300:24:243
23580993524,9cyclictest25-21ksoftirqd/100:32:321
23575993526,4cyclictest9-21ksoftirqd/022:57:420
23575993523,6cyclictest9-21ksoftirqd/022:32:430
106891350,1ptp4l401ktimersoftd/323:09:573
106891350,1ptp4l401ktimersoftd/322:52:483
106891350,1ptp4l401ktimersoftd/321:07:513
106891350,1ptp4l25975-21kworker/3:120:22:473
106891350,0ptp4l401ktimersoftd/321:49:463
23575993428,3cyclictest9-21ksoftirqd/020:12:260
23575993428,3cyclictest9-21ksoftirqd/020:12:260
23575993428,3cyclictest9-21ksoftirqd/019:42:440
213442346,14sleep10-21swapper/119:17:371
106891340,1ptp4l401ktimersoftd/323:20:233
106891340,1ptp4l401ktimersoftd/321:12:513
23575993329,2cyclictest9-21ksoftirqd/000:32:330
106891330,1ptp4l401ktimersoftd/322:06:083
106891330,1ptp4l401ktimersoftd/319:46:483
23584993227,3cyclictest0-21swapper/219:22:252
23575993227,3cyclictest9-21ksoftirqd/023:22:300
23575993227,3cyclictest9-21ksoftirqd/021:22:280
23575993226,3cyclictest9-21ksoftirqd/022:52:300
23575993226,3cyclictest9-21ksoftirqd/022:42:450
23575993226,3cyclictest9-21ksoftirqd/021:32:280
23575993226,3cyclictest9-21ksoftirqd/021:12:280
23575993226,3cyclictest9-21ksoftirqd/020:22:270
23575993221,5cyclictest9-21ksoftirqd/023:42:450
23575993221,5cyclictest9-21ksoftirqd/023:42:450
23575993220,6cyclictest9-21ksoftirqd/021:02:420
106891320,1ptp4l401ktimersoftd/319:53:073
23584993126,3cyclictest33-21ksoftirqd/223:37:312
23575993126,3cyclictest9-21ksoftirqd/021:12:460
23575993123,5cyclictest9-21ksoftirqd/023:32:440
106891310,1ptp4l401ktimersoftd/320:35:293
106891310,1ptp4l401ktimersoftd/319:31:393
106891310,0ptp4l401ktimersoftd/320:14:033
106891310,0ptp4l401ktimersoftd/320:14:033
23580993023,4cyclictest25-21ksoftirqd/123:06:471
2357599305,16cyclictest17417-21ssh00:37:440
23575993024,3cyclictest9-21ksoftirqd/023:57:310
23575993018,5cyclictest9-21ksoftirqd/019:22:380
106891300,0ptp4l401ktimersoftd/319:58:293
23584992923,3cyclictest33-21ksoftirqd/222:04:082
23584992922,4cyclictest33-21ksoftirqd/200:33:432
23575992924,3cyclictest9-21ksoftirqd/023:07:490
23575992924,3cyclictest9-21ksoftirqd/022:22:290
23575992924,3cyclictest9-21ksoftirqd/020:17:260
23575992924,3cyclictest9-21ksoftirqd/020:17:260
23575992923,3cyclictest9-21ksoftirqd/020:02:450
106891290,1ptp4l401ktimersoftd/321:21:323
106891290,0ptp4l401ktimersoftd/321:05:583
23593992821,4cyclictest41-21ksoftirqd/320:28:303
23584992822,3cyclictest33-21ksoftirqd/220:46:382
23580992823,3cyclictest25-21ksoftirqd/123:12:431
23580992823,3cyclictest25-21ksoftirqd/123:02:301
23575992823,3cyclictest9-21ksoftirqd/021:47:500
23575992823,3cyclictest9-21ksoftirqd/020:52:270
23575992822,3cyclictest9-21ksoftirqd/020:37:270
23575992822,3cyclictest9-21ksoftirqd/020:27:450
23575992822,3cyclictest9-21ksoftirqd/019:27:450
23575992821,5cyclictest9-21ksoftirqd/021:33:120
23575992818,4cyclictest9-21ksoftirqd/023:57:440
106891280,0ptp4l401ktimersoftd/320:55:343
23593992721,3cyclictest41-21ksoftirqd/319:36:243
23584992721,3cyclictest33-21ksoftirqd/223:46:422
23584992721,3cyclictest33-21ksoftirqd/223:46:422
23584992720,4cyclictest33-21ksoftirqd/219:46:022
23584992720,4cyclictest33-21ksoftirqd/200:09:592
23580992720,4cyclictest25-21ksoftirqd/121:12:041
23580992719,5cyclictest25-21ksoftirqd/100:16:201
23580992718,7cyclictest20341-21sh22:29:141
23575992722,3cyclictest9-21ksoftirqd/022:52:490
23575992722,3cyclictest9-21ksoftirqd/021:42:480
23575992722,3cyclictest9-21ksoftirqd/021:42:480
23575992722,3cyclictest9-21ksoftirqd/020:52:490
23575992721,3cyclictest9-21ksoftirqd/022:27:300
23575992720,4cyclictest9-21ksoftirqd/000:27:330
23593992619,4cyclictest41-21ksoftirqd/320:41:073
23584992620,4cyclictest33-21ksoftirqd/200:47:572
23584992620,3cyclictest33-21ksoftirqd/200:20:102
23584992619,4cyclictest33-21ksoftirqd/220:03:162
23584992618,5cyclictest706-21ssh22:42:482
23580992619,4cyclictest25-21ksoftirqd/123:44:361
23580992619,4cyclictest25-21ksoftirqd/123:44:361
23580992619,4cyclictest25-21ksoftirqd/119:23:201
23575992621,3cyclictest9-21ksoftirqd/022:37:490
23575992621,3cyclictest9-21ksoftirqd/021:52:480
23575992621,3cyclictest9-21ksoftirqd/021:52:480
23575992621,3cyclictest9-21ksoftirqd/000:37:330
23575992620,3cyclictest9-21ksoftirqd/022:02:470
23575992620,3cyclictest9-21ksoftirqd/000:47:470
106891260,1ptp4l401ktimersoftd/320:09:373
106891260,1ptp4l401ktimersoftd/320:09:373
106891260,10ptp4l401ktimersoftd/320:03:213
64162250,20sleep26426-21ssh22:15:492
262212250,4sleep2311rcuc/219:27:272
23593992518,4cyclictest41-21ksoftirqd/320:50:143
23584992519,3cyclictest33-21ksoftirqd/221:50:032
23584992519,3cyclictest33-21ksoftirqd/221:01:052
23584992518,4cyclictest33-21ksoftirqd/200:16:452
23584992518,4cyclictest28952-21strings20:37:462
23580992521,2cyclictest25-21ksoftirqd/121:27:451
23580992519,3cyclictest25-21ksoftirqd/120:41:091
23580992519,3cyclictest25-21ksoftirqd/120:23:101
23580992518,4cyclictest25-21ksoftirqd/121:03:131
23575992520,3cyclictest9-21ksoftirqd/023:13:010
23575992520,3cyclictest9-21ksoftirqd/020:57:410
23575992519,4cyclictest9-21ksoftirqd/022:12:290
23575992519,3cyclictest9-21ksoftirqd/023:37:510
23575992519,3cyclictest9-21ksoftirqd/023:02:370
23575992518,4cyclictest9-21ksoftirqd/020:44:570
23593992419,3cyclictest41-21ksoftirqd/320:17:413
23584992418,4cyclictest33-21ksoftirqd/220:49:292
23584992418,4cyclictest33-21ksoftirqd/220:13:362
23584992418,4cyclictest33-21ksoftirqd/220:13:362
23584992417,4cyclictest30506-21ls23:12:492
2358499240,2cyclictest121rcu_preempt22:32:202
23580992417,4cyclictest25-21ksoftirqd/121:00:161
23580992417,4cyclictest25-21ksoftirqd/120:34:261
23580992417,4cyclictest25-21ksoftirqd/119:57:011
23580992417,4cyclictest25-21ksoftirqd/119:28:301
23575992419,3cyclictest9-21ksoftirqd/022:13:000
23575992419,3cyclictest9-21ksoftirqd/020:27:260
23575992419,3cyclictest9-21ksoftirqd/020:02:260
23575992418,3cyclictest9-21ksoftirqd/020:38:070
23575992418,3cyclictest9-21ksoftirqd/019:37:420
106891240,1ptp4l401ktimersoftd/319:47:413
23584992318,3cyclictest33-21ksoftirqd/222:09:502
23584992318,3cyclictest33-21ksoftirqd/220:57:272
23584992317,4cyclictest33-21ksoftirqd/220:31:582
23584992317,3cyclictest33-21ksoftirqd/221:37:302
23584992317,3cyclictest33-21ksoftirqd/220:23:132
23584992317,3cyclictest33-21ksoftirqd/200:05:372
23584992317,3cyclictest33-21ksoftirqd/200:00:192
23584992316,4cyclictest33-21ksoftirqd/219:49:032
23584992316,4cyclictest33-21ksoftirqd/200:31:552
23584992316,4cyclictest32073-21gltestperf19:37:422
23584992316,4cyclictest18603-21grep20:17:452
23580992318,3cyclictest25-21ksoftirqd/123:34:241
23580992318,3cyclictest25-21ksoftirqd/121:32:411
23580992318,3cyclictest25-21ksoftirqd/100:47:321
23580992317,4cyclictest25-21ksoftirqd/120:30:091
23580992317,3cyclictest25-21ksoftirqd/120:04:001
23580992317,3cyclictest25-21ksoftirqd/119:59:471
23580992317,3cyclictest25-21ksoftirqd/119:46:191
23580992316,4cyclictest25-21ksoftirqd/120:49:561
23580992316,4cyclictest25-21ksoftirqd/119:38:581
23580992315,5cyclictest32653-21/usr/sbin/munin21:37:471
23575992318,3cyclictest9-21ksoftirqd/021:22:470
23575992317,3cyclictest9-21ksoftirqd/019:49:090
74822217,2sleep125-21ksoftirqd/122:09:421
275532220,4sleep1241ktimersoftd/122:37:351
23584992217,3cyclictest33-21ksoftirqd/223:22:502
23584992217,3cyclictest33-21ksoftirqd/221:47:022
23584992217,3cyclictest33-21ksoftirqd/221:47:022
23584992216,4cyclictest33-21ksoftirqd/222:51:422
23584992216,4cyclictest33-21ksoftirqd/220:36:242
23584992215,4cyclictest29564-21cut19:32:422
23584992215,4cyclictest25607-21sh21:29:592
23584992215,4cyclictest21456-21sh00:41:412
23584992215,4cyclictest16982-21threads21:52:572
23584992215,4cyclictest16982-21threads21:52:572
23584992214,4cyclictest32331-21/usr/sbin/munin23:47:462
23584992213,6cyclictest27643-21cat22:37:422
2358099222,3cyclictest121rcu_preempt23:25:221
23580992216,4cyclictest25-21ksoftirqd/121:16:541
23580992216,4cyclictest25-21ksoftirqd/100:22:581
23580992215,4cyclictest30979-21sed20:42:451
23580992215,4cyclictest28918-21sh23:11:301
23575992217,3cyclictest9-21ksoftirqd/019:53:580
23584992116,3cyclictest33-21ksoftirqd/220:10:302
23584992116,3cyclictest33-21ksoftirqd/220:10:302
23584992115,3cyclictest3604-21needreboot00:22:522
23584992115,3cyclictest33-21ksoftirqd/200:43:482
23584992115,3cyclictest30969-21sh21:35:132
23584992115,3cyclictest22105-21sh23:03:232
23584992114,4cyclictest5375-21sh23:19:442
23584992114,4cyclictest47150irq/102-ens3-Tx22:22:422
23584992114,4cyclictest24511-21seq23:38:132
23584992114,4cyclictest23092-21cut22:32:462
23584992114,4cyclictest15317-21sh23:29:262
23584992113,6cyclictest1055-21runrttasks22:53:332
23580992116,3cyclictest25-21ksoftirqd/123:20:471
23580992115,3cyclictest6604-21sh22:16:081
23580992115,3cyclictest5710-21irqrtprio23:52:501
23580992115,3cyclictest25-21ksoftirqd/100:09:221
23580992115,3cyclictest12624-21cat23:27:451
23580992114,4cyclictest47050irq/101-ens3-Tx21:52:531
23580992114,4cyclictest47050irq/101-ens3-Tx21:52:531
23580992114,4cyclictest23262-21irqrtprio23:37:511
23580992114,4cyclictest21908-21sed21:57:581
23580992113,5cyclictest23767-21sed22:32:501
2358099211,17cyclictest20703-21ssh21:25:071
23584992014,4cyclictest8212-21fschecks_time22:17:472
23584992014,3cyclictest8614-21/usr/sbin/munin19:57:562
23584992014,3cyclictest22090-21sh21:27:252
23584992014,3cyclictest14997-21sh22:57:412
23584992013,4cyclictest7465-21/usr/sbin/munin21:02:502
23584992013,4cyclictest6605-21awk19:52:462
2358099207,9cyclictest0-21swapper/122:17:361
23580992015,3cyclictest25-21ksoftirqd/122:57:071
23580992015,3cyclictest25-21ksoftirqd/122:47:491
23580992014,4cyclictest47050irq/101-ens3-Tx00:02:441
23580992014,4cyclictest30238-21memory19:32:461
23580992014,4cyclictest25-21ksoftirqd/100:35:151
23580992013,4cyclictest9101-21sh21:46:171
23580992013,4cyclictest9101-21sh21:46:171
23580992013,4cyclictest487-21sh23:47:471
23580992013,4cyclictest25-21ksoftirqd/120:20:291
23580992013,4cyclictest17152-21diskmemload00:49:571
2358099201,16cyclictest11780-21grep23:58:021
23580992011,3cyclictest15453-21fschecks_time21:17:431
2358499194,9cyclictest12503-21apt-get21:12:402
23584991913,4cyclictest15336-21df_inode21:17:412
23584991912,4cyclictest24439-21cat19:22:432
2358099197,9cyclictest0-21swapper/122:22:401
2358099194,10cyclictest29805-21ssh00:17:451
23580991913,3cyclictest25-21ksoftirqd/119:47:491
23580991913,3cyclictest20438-21sh00:39:591
23580991913,3cyclictest10391-21basename21:47:431
23580991812,4cyclictest16054-21df20:12:401
23580991812,4cyclictest16054-21df20:12:401
23580991811,4cyclictest14349-21cat20:07:451
23580991811,4cyclictest14349-21cat20:07:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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