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2026-06-26 - 15:35
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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 Fri Jun 26, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2744821740,5sleep22102499cyclictest14:28:352
1476221740,2sleep32103399cyclictest13:42:073
1068911180,8ptp4l18424-21kworker/3:108:57:353
84182820,1sleep00-21swapper/013:34:410
106891720,1ptp4l401ktimersoftd/312:05:423
206522680,2sleep30-21swapper/313:14:013
206052664,10sleep00-21swapper/008:54:290
5562640,3sleep09-21ksoftirqd/010:28:410
158402630,2sleep00-21swapper/011:32:160
21013996216,10cyclictest2225-21apt-get11:18:420
106891620,1ptp4l401ktimersoftd/310:48:593
255302610,4sleep233-21ksoftirqd/213:53:342
21013996115,12cyclictest23458-21basename14:23:520
21013996112,16cyclictest30365-21/usr/sbin/munin12:18:510
165672610,2sleep00-21swapper/014:16:490
324642600,5sleep332468-21needreboot12:53:533
21013995913,11cyclictest25220-21ssh11:08:450
21013995812,11cyclictest20891-21runrttasks13:14:060
21013995712,15cyclictest20154-21ssh12:41:550
21013995712,14cyclictest12801-21ssh12:01:470
21013995712,14cyclictest11070-21ssh13:04:280
21013995712,12cyclictest22416-21grep08:59:020
21013995710,17cyclictest5888-21ssh12:28:040
21013995612,11cyclictest12211-21latency_hist10:53:310
21013995611,16cyclictest14581-21diskmemload11:49:420
21013995611,14cyclictest24952-21ssh11:40:420
21013995611,14cyclictest14156-21ssh12:35:250
234342550,2sleep00-21swapper/010:08:410
21013995512,15cyclictest23832-21ssh13:18:430
21013995512,13cyclictest4971-21ssh13:32:080
21013995511,16cyclictest14581-21diskmemload11:24:420
21013995511,14cyclictest20905-21ssh14:20:520
21013995511,14cyclictest19002-21ssh13:46:010
21013995511,14cyclictest19002-21ssh13:46:010
21013995511,14cyclictest11008-21ssh14:10:450
21013995511,12cyclictest6601-21apt-get12:28:440
2101399549,19cyclictest0-21swapper/009:03:280
2101399549,16cyclictest0-21swapper/013:58:530
2101399549,16cyclictest0-21swapper/009:23:580
21013995414,10cyclictest14581-21diskmemload12:48:280
21013995413,8cyclictest22269-21ssh12:10:480
21013995412,9cyclictest4565-21/usr/sbin/munin14:03:560
21013995412,11cyclictest14640-21hddtemp_smartct13:08:500
21013995411,8cyclictest24285-21apt-get12:13:430
106891540,1ptp4l401ktimersoftd/312:50:113
253622530,3sleep32103399cyclictest14:25:073
228612530,2sleep30-21swapper/311:05:533
21013995312,17cyclictest17867-21/usr/sbin/munin11:33:490
21013995312,13cyclictest17248-21ssh10:59:410
21013995312,11cyclictest14581-21diskmemload11:58:290
21013995311,8cyclictest7758-21apt-get10:43:420
21013995311,8cyclictest3765-21apt-get09:28:400
21013995311,8cyclictest18410-21apt-get09:58:410
21013995311,8cyclictest18410-21apt-get09:58:410
21013995311,17cyclictest14581-21diskmemload11:14:260
21013995310,9cyclictest26444-21apt-get12:48:450
106891530,1ptp4l401ktimersoftd/313:20:143
21013995212,17cyclictest14581-21diskmemload11:05:580
21013995211,8cyclictest5393-21apt-get10:38:420
21013995211,7cyclictest31433-21apt-get09:18:410
21013995210,8cyclictest11082-21apt-get13:38:440
291942510,1sleep20-21swapper/211:44:352
21013995112,9cyclictest31026-21ssh11:47:430
21013995112,9cyclictest28376-21df_inode10:18:440
21013995111,16cyclictest5821-21apt-get09:33:320
21013995110,11cyclictest14581-21diskmemload12:58:530
77962500,2sleep20-21swapper/211:23:472
21013995012,8cyclictest27086-21python10:13:540
21013995012,15cyclictest14581-21diskmemload12:04:560
21013995011,8cyclictest31811-21mailstats10:23:530
21013995011,16cyclictest13596-21/usr/sbin/munin09:48:470
190932500,2sleep10-21swapper/111:02:501
21033994938,5cyclictest41-21ksoftirqd/312:43:443
21033994936,6cyclictest41-21ksoftirqd/311:48:443
21013994912,15cyclictest30700-21chrt13:24:050
21013994911,10cyclictest25028-21ssh13:52:520
21033994835,6cyclictest41-21ksoftirqd/313:08:463
21013994810,8cyclictest8706-21apt-get09:38:390
21013994810,15cyclictest1064-21ssh12:54:340
2101399479,8cyclictest14581-21diskmemload13:57:280
21013994711,8cyclictest26957-21diskstats09:08:430
106891470,2ptp4l23299-21kworker/3:114:04:553
106891470,1ptp4l401ktimersoftd/311:17:583
21013994511,8cyclictest21255-21diskstats10:03:430
21013994511,8cyclictest21255-21diskstats10:03:430
106891440,1ptp4l401ktimersoftd/310:10:593
21013994211,8cyclictest16427-21perl09:53:450
193492413,23sleep219440-21if_ens308:53:472
21033993926,6cyclictest41-21ksoftirqd/312:08:433
106891390,1ptp4l401ktimersoftd/314:03:103
106891390,1ptp4l401ktimersoftd/311:32:123
106891390,1ptp4l401ktimersoftd/311:11:243
106891390,14ptp4l401ktimersoftd/311:44:303
21033993832,4cyclictest41-21ksoftirqd/312:38:333
106891380,1ptp4l401ktimersoftd/313:33:343
106891380,1ptp4l401ktimersoftd/313:24:083
106891380,1ptp4l401ktimersoftd/311:55:273
106891380,1ptp4l401ktimersoftd/311:03:053
106891380,1ptp4l401ktimersoftd/310:03:543
106891380,1ptp4l401ktimersoftd/310:03:543
106891380,0ptp4l401ktimersoftd/312:28:413
106891370,1ptp4l401ktimersoftd/314:21:243
106891370,1ptp4l401ktimersoftd/314:14:233
106891370,1ptp4l401ktimersoftd/313:55:373
106891370,1ptp4l401ktimersoftd/313:36:033
106891370,1ptp4l401ktimersoftd/312:41:493
106891370,1ptp4l401ktimersoftd/312:28:263
106891370,1ptp4l401ktimersoftd/312:13:363
106891370,1ptp4l401ktimersoftd/311:59:453
106891370,1ptp4l401ktimersoftd/311:33:393
106891370,1ptp4l401ktimersoftd/311:23:393
106891370,0ptp4l401ktimersoftd/311:41:453
21033993623,5cyclictest41-21ksoftirqd/309:53:413
21033993622,7cyclictest41-21ksoftirqd/309:13:383
106891360,1ptp4l401ktimersoftd/313:46:053
106891360,1ptp4l401ktimersoftd/313:46:053
106891360,1ptp4l401ktimersoftd/312:19:203
106891360,0ptp4l401ktimersoftd/310:24:113
106891350,0ptp4l401ktimersoftd/310:19:503
21013993415,16cyclictest13130-21cron09:48:280
106891340,1ptp4l401ktimersoftd/312:59:233
21033993327,3cyclictest41-21ksoftirqd/310:48:303
21020993328,3cyclictest25-21ksoftirqd/112:08:321
21020993327,3cyclictest25-21ksoftirqd/111:08:311
21013993319,9cyclictest4376-21snmp_o5powerctl10:33:580
106891330,1ptp4l401ktimersoftd/310:36:473
21033993226,3cyclictest41-21ksoftirqd/309:23:283
2070023214,8sleep10-21swapper/108:55:431
106891320,2ptp4l23401-21kworker/3:209:13:233
106891320,1ptp4l401ktimersoftd/313:06:363
106891320,1ptp4l401ktimersoftd/311:22:493
106891320,1ptp4l401ktimersoftd/310:00:143
106891320,1ptp4l401ktimersoftd/310:00:143
106891320,1ptp4l401ktimersoftd/309:44:143
106891320,10ptp4l401ktimersoftd/309:49:563
106891320,0ptp4l401ktimersoftd/310:39:033
21033993118,5cyclictest41-21ksoftirqd/310:13:413
21020993112,14cyclictest25-21ksoftirqd/113:38:441
21033993024,3cyclictest41-21ksoftirqd/309:38:463
21033993024,3cyclictest41-21ksoftirqd/309:23:403
21033993024,3cyclictest41-21ksoftirqd/309:03:283
21024993017,7cyclictest321ktimersoftd/210:13:422
21020993024,3cyclictest25-21ksoftirqd/111:38:491
21020993023,4cyclictest25-21ksoftirqd/113:13:451
21013993020,7cyclictest14572-21cron10:58:300
21013993017,9cyclictest29009-21/usr/sbin/munin09:13:380
2102499291,3cyclictest121rcu_preempt12:53:332
21020992923,3cyclictest25-21ksoftirqd/111:48:311
21020992923,3cyclictest25-21ksoftirqd/111:13:511
21020992923,3cyclictest25-21ksoftirqd/110:38:431
21020992922,4cyclictest25-21ksoftirqd/109:48:441
1452912921,3phc2sys41-21ksoftirqd/314:08:573
106891290,0ptp4l401ktimersoftd/309:36:253
320092280,4sleep22102499cyclictest13:26:202
21033992822,3cyclictest41-21ksoftirqd/309:28:463
21020992823,3cyclictest25-21ksoftirqd/113:08:461
21020992822,3cyclictest25-21ksoftirqd/113:08:331
21020992820,4cyclictest25-21ksoftirqd/109:38:391
2102099281,19cyclictest17780-21cups-browsed12:58:561
268882270,3sleep1231rcuc/113:20:571
2102499275,11cyclictest30761-21ssh13:58:462
21024992720,4cyclictest33-21ksoftirqd/210:31:482
21020992722,3cyclictest25-21ksoftirqd/112:38:331
21020992722,3cyclictest25-21ksoftirqd/111:33:311
21020992722,3cyclictest25-21ksoftirqd/111:18:421
21020992722,3cyclictest11716-21kworker/1:114:13:351
21020992721,4cyclictest25-21ksoftirqd/114:03:471
21020992721,3cyclictest25-21ksoftirqd/113:58:501
21020992721,3cyclictest25-21ksoftirqd/112:38:441
21020992721,3cyclictest25-21ksoftirqd/110:03:291
21020992721,3cyclictest25-21ksoftirqd/110:03:291
21020992721,3cyclictest25-21ksoftirqd/109:28:461
106891270,1ptp4l401ktimersoftd/310:56:013
106891270,0ptp4l401ktimersoftd/309:06:373
21033992621,3cyclictest41-21ksoftirqd/310:28:473
21024992620,3cyclictest33-21ksoftirqd/214:04:172
21020992621,3cyclictest25-21ksoftirqd/114:18:521
21020992621,3cyclictest25-21ksoftirqd/112:18:491
21020992621,3cyclictest25-21ksoftirqd/111:58:431
21020992621,3cyclictest25-21ksoftirqd/111:48:511
21020992621,3cyclictest25-21ksoftirqd/109:23:461
21020992620,3cyclictest25-21ksoftirqd/113:33:521
21020992620,3cyclictest25-21ksoftirqd/109:03:501
21020992619,4cyclictest25-21ksoftirqd/113:23:531
106891260,1ptp4l401ktimersoftd/313:48:563
21024992520,3cyclictest33-21ksoftirqd/213:05:062
21024992519,3cyclictest33-21ksoftirqd/209:24:412
21024992518,4cyclictest33-21ksoftirqd/210:41:352
21024992518,4cyclictest33-21ksoftirqd/209:56:512
21024992518,4cyclictest33-21ksoftirqd/209:30:582
21024992510,12cyclictest19322-21sh11:34:292
21020992520,3cyclictest25-21ksoftirqd/113:53:531
21020992520,3cyclictest25-21ksoftirqd/112:23:481
21020992520,3cyclictest25-21ksoftirqd/111:28:301
21020992520,3cyclictest25-21ksoftirqd/110:48:421
21020992520,3cyclictest25-21ksoftirqd/110:43:431
21020992520,3cyclictest25-21ksoftirqd/110:28:301
21020992520,3cyclictest25-21ksoftirqd/110:13:491
21020992520,3cyclictest25-21ksoftirqd/109:43:491
21020992520,3cyclictest25-21ksoftirqd/109:38:281
21020992519,3cyclictest25-21ksoftirqd/114:13:471
21020992519,3cyclictest25-21ksoftirqd/109:13:451
21024992419,3cyclictest33-21ksoftirqd/210:06:472
21024992419,3cyclictest33-21ksoftirqd/210:06:472
21024992418,3cyclictest6167-21tail11:54:002
21020992419,3cyclictest25-21ksoftirqd/114:23:501
21020992419,3cyclictest25-21ksoftirqd/111:29:011
21020992419,3cyclictest25-21ksoftirqd/111:08:451
21020992419,3cyclictest25-21ksoftirqd/110:08:451
21020992418,3cyclictest6202-21sed11:54:001
21020992418,3cyclictest25-21ksoftirqd/110:53:471
21020992418,3cyclictest25-21ksoftirqd/110:33:491
21024992317,3cyclictest33-21ksoftirqd/212:18:492
21024992317,3cyclictest33-21ksoftirqd/211:14:562
21024992317,3cyclictest33-21ksoftirqd/210:53:102
21024992317,3cyclictest33-21ksoftirqd/209:46:052
21024992316,4cyclictest33-21ksoftirqd/210:20:042
21024992316,4cyclictest33-21ksoftirqd/209:07:452
21020992318,3cyclictest25-21ksoftirqd/113:43:561
21020992318,3cyclictest25-21ksoftirqd/113:43:561
21020992318,3cyclictest25-21ksoftirqd/112:49:361
21020992318,3cyclictest25-21ksoftirqd/112:28:441
21020992318,3cyclictest25-21ksoftirqd/112:08:501
21020992317,4cyclictest25-21ksoftirqd/110:25:371
2102499227,11cyclictest0-21swapper/212:08:562
21024992216,3cyclictest33-21ksoftirqd/209:11:502
2102499221,3cyclictest5579-21ssh12:27:332
2102499220,10cyclictest33692ssh11:52:242
21020992217,3cyclictest25-21ksoftirqd/112:48:331
21020992217,3cyclictest25-21ksoftirqd/112:14:001
21020992217,3cyclictest25-21ksoftirqd/109:18:471
21020992216,4cyclictest25-21ksoftirqd/110:19:221
21020992216,3cyclictest25-21ksoftirqd/108:58:541
2102499211,7cyclictest12954-21snmp_o5powerctl12:33:572
21024992115,3cyclictest33-21ksoftirqd/209:16:452
21024992114,4cyclictest33-21ksoftirqd/212:28:592
21024992114,4cyclictest25883-21sh11:42:162
21024992114,4cyclictest18999-21sh13:46:012
21024992114,4cyclictest18999-21sh13:46:012
2102499211,17cyclictest23501-21munin-node14:15:392
2102099211,6cyclictest121rcu_preempt13:48:501
21020992116,3cyclictest25-21ksoftirqd/110:03:471
21020992116,3cyclictest25-21ksoftirqd/110:03:471
2586722013,3sleep233-21ksoftirqd/213:53:472
2102499206,9cyclictest14581-21diskmemload11:03:432
2102499201,4cyclictest25724-21snmp_o5powerctl12:13:552
21024992014,3cyclictest33-21ksoftirqd/210:25:562
21024992014,3cyclictest14185-21sh11:29:272
2102499201,3cyclictest17011-21ssh12:05:362
21024992013,4cyclictest7406-21head09:33:492
21024992013,4cyclictest5171-21sh11:20:522
21024992013,4cyclictest3346-21sh12:58:272
21024992013,4cyclictest33-21ksoftirqd/209:21:422
21024992013,4cyclictest28832-21sh11:12:402
21024992013,4cyclictest22854-21unixbench-2d08:59:102
21024992013,4cyclictest19625-21sh12:41:002
21024992013,4cyclictest18852-21expr09:58:442
21024992013,4cyclictest18852-21expr09:58:442
21024992013,4cyclictest16647-21sh13:10:142
21024992012,5cyclictest47150irq/102-ens3-Tx11:58:532
21024992012,5cyclictest18000-21apt-get14:18:462
2102499201,17cyclictest11095-21ssh13:38:452
2102499201,16cyclictest22982-21snmp_o5powerctl12:43:592
2102499200,2cyclictest0-21swapper/213:14:582
21020992014,3cyclictest25-21ksoftirqd/112:53:511
21020992014,3cyclictest1297-21sh13:28:441
2102499191,3cyclictest5254-21apt-get12:58:582
21024991913,4cyclictest47150irq/102-ens3-Tx10:58:532
21024991913,3cyclictest3627-21sh13:29:522
21024991912,4cyclictest8017-21sh14:08:372
21024991912,4cyclictest7992-21cat10:43:432
21024991912,4cyclictest25509-21latency_hist10:13:292
2102499191,16cyclictest25876-21ssh13:19:142
2102499190,2cyclictest0-21swapper/213:35:142
2102499190,2cyclictest0-21swapper/210:36:022
2102499190,16cyclictest12951-21grep10:53:452
21020991915,3cyclictest25-21ksoftirqd/109:53:481
21020991914,3cyclictest25-21ksoftirqd/109:08:411
21024991812,3cyclictest9676-21load09:38:472
2102499180,16cyclictest0-21swapper/209:48:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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