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2026-01-07 - 22:09
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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 Wed Jan 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911050,7ptp4l12006-21kworker/3:207:19:243
85062720,4sleep31286399cyclictest09:25:403
12863996635,3cyclictest41-21ksoftirqd/312:14:573
129332640,3sleep20-21swapper/208:29:422
280142590,5sleep341-21ksoftirqd/311:54:503
204502590,2sleep30-21swapper/312:53:363
12863995422,8cyclictest41-21ksoftirqd/310:34:403
106891540,1ptp4l401ktimersoftd/312:05:273
12863995337,3cyclictest41-21ksoftirqd/310:09:423
12863995321,6cyclictest41-21ksoftirqd/309:29:513
12863995321,6cyclictest41-21ksoftirqd/309:29:513
131442520,2sleep00-21swapper/009:30:020
131442520,2sleep00-21swapper/009:30:020
126512524,37sleep00-21swapper/007:23:130
12863995123,8cyclictest41-21ksoftirqd/311:07:403
12863995121,5cyclictest41-21ksoftirqd/308:44:443
12863995116,5cyclictest41-21ksoftirqd/311:31:353
12863995025,4cyclictest41-21ksoftirqd/310:14:523
12863994924,4cyclictest41-21ksoftirqd/309:59:333
12863994921,8cyclictest41-21ksoftirqd/311:20:203
12863994921,8cyclictest41-21ksoftirqd/311:20:203
12863994920,5cyclictest41-21ksoftirqd/309:44:143
12863994918,7cyclictest41-21ksoftirqd/312:11:583
308732480,2sleep30-21swapper/310:20:403
12863994842,3cyclictest41-21ksoftirqd/311:09:413
1286399483,9cyclictest21578-21apt-get11:49:373
12863994825,3cyclictest41-21ksoftirqd/310:50:013
12863994818,7cyclictest41-21ksoftirqd/312:28:483
12863994818,7cyclictest41-21ksoftirqd/309:44:533
12863994816,8cyclictest41-21ksoftirqd/309:58:023
12863994814,4cyclictest41-21ksoftirqd/307:47:593
12863994722,4cyclictest41-21ksoftirqd/312:47:423
12863994722,4cyclictest41-21ksoftirqd/310:42:133
12863994722,4cyclictest41-21ksoftirqd/310:29:213
12863994717,7cyclictest41-21ksoftirqd/310:31:403
106891470,1ptp4l401ktimersoftd/311:38:383
12863994621,4cyclictest41-21ksoftirqd/312:01:183
12863994621,4cyclictest41-21ksoftirqd/311:46:253
12863994621,3cyclictest41-21ksoftirqd/310:08:283
12863994620,10cyclictest41-21ksoftirqd/309:49:473
12863994616,7cyclictest41-21ksoftirqd/312:23:343
12863994532,3cyclictest41-21ksoftirqd/311:14:433
12863994525,7cyclictest41-21ksoftirqd/309:09:403
1286399451,9cyclictest11232-21ssh12:44:293
12863994518,8cyclictest41-21ksoftirqd/312:37:543
1286399446,3cyclictest41-21ksoftirqd/308:54:383
12863994422,7cyclictest41-21ksoftirqd/307:24:423
12863994421,4cyclictest41-21ksoftirqd/309:38:073
12863994421,4cyclictest41-21ksoftirqd/309:38:073
12863994420,3cyclictest41-21ksoftirqd/311:27:593
12863994416,8cyclictest41-21ksoftirqd/308:29:453
1286399441,4cyclictest9516-21turbostat08:24:233
1286399436,3cyclictest41-21ksoftirqd/310:59:463
1286399434,3cyclictest41-21ksoftirqd/312:29:503
1286399434,2cyclictest121rcu_preempt08:54:243
1286399433,12cyclictest41-21ksoftirqd/309:04:533
1286399425,3cyclictest41-21ksoftirqd/307:59:363
1286399424,7cyclictest121rcu_preempt07:34:213
12863994216,9cyclictest41-21ksoftirqd/307:49:403
12863994216,9cyclictest41-21ksoftirqd/307:49:403
1286399421,3cyclictest41-21ksoftirqd/308:14:523
12863994213,8cyclictest41-21ksoftirqd/310:49:203
12863994213,8cyclictest41-21ksoftirqd/308:09:433
1286399421,10cyclictest41-21ksoftirqd/308:59:413
1271524220,11sleep233-21ksoftirqd/207:24:032
1286399416,3cyclictest41-21ksoftirqd/308:09:233
1286399411,8cyclictest41-21ksoftirqd/309:19:493
12863994115,7cyclictest41-21ksoftirqd/311:44:153
12863994111,7cyclictest41-21ksoftirqd/307:58:553
1286399408,6cyclictest41-21ksoftirqd/308:39:413
12863994022,6cyclictest41-21ksoftirqd/308:34:423
12863994016,4cyclictest41-21ksoftirqd/307:34:413
205342390,3sleep01284299cyclictest09:39:010
205342390,3sleep01284299cyclictest09:39:010
1286399396,7cyclictest41-21ksoftirqd/308:29:243
12863993910,9cyclictest41-21ksoftirqd/310:54:293
1286399390,3cyclictest121rcu_preempt07:39:353
111722384,20sleep111258-21awk07:19:381
1286399363,4cyclictest3212-21chrt09:17:003
12855993624,9cyclictest33-21ksoftirqd/209:14:242
12855993624,10cyclictest33-21ksoftirqd/210:49:532
12855993530,3cyclictest33-21ksoftirqd/211:54:282
12855993428,3cyclictest33-21ksoftirqd/212:14:292
12855993426,5cyclictest33-21ksoftirqd/212:54:292
12855993421,3cyclictest33-21ksoftirqd/207:29:262
1285599332,3cyclictest121rcu_preempt09:25:292
12855993227,3cyclictest33-21ksoftirqd/208:14:232
12855993226,3cyclictest33-21ksoftirqd/211:44:282
12855993226,3cyclictest33-21ksoftirqd/210:39:262
12855993226,3cyclictest33-21ksoftirqd/210:29:312
12855993219,11cyclictest33-21ksoftirqd/212:15:152
12848993227,3cyclictest25-21ksoftirqd/110:44:551
12855993126,3cyclictest33-21ksoftirqd/210:29:262
12855993125,3cyclictest33-21ksoftirqd/209:59:372
12842993123,5cyclictest9-21ksoftirqd/009:44:530
1285599303,4cyclictest33-21ksoftirqd/211:34:572
12855993025,3cyclictest33-21ksoftirqd/211:49:282
12855993025,3cyclictest33-21ksoftirqd/210:44:272
12855993025,3cyclictest33-21ksoftirqd/210:14:412
12855993024,3cyclictest33-21ksoftirqd/211:34:282
12855993024,3cyclictest33-21ksoftirqd/211:04:262
1285599300,5cyclictest18795-21cut10:09:402
12848993024,4cyclictest25-21ksoftirqd/112:09:281
12842993022,6cyclictest9-21ksoftirqd/011:54:430
83672290,1sleep10-21swapper/109:25:251
12855992924,3cyclictest33-21ksoftirqd/212:39:482
12855992924,3cyclictest33-21ksoftirqd/211:59:422
12855992924,3cyclictest33-21ksoftirqd/209:54:452
12855992923,3cyclictest33-21ksoftirqd/211:19:392
12855992923,3cyclictest33-21ksoftirqd/211:19:392
12855992923,3cyclictest33-21ksoftirqd/211:14:562
12855992922,4cyclictest33-21ksoftirqd/208:44:362
12855992919,8cyclictest33-21ksoftirqd/210:44:372
12848992924,3cyclictest25-21ksoftirqd/110:34:541
2830622821,3sleep125-21ksoftirqd/109:45:261
12855992824,3cyclictest33-21ksoftirqd/212:34:472
12855992823,3cyclictest33-21ksoftirqd/211:11:392
12855992823,3cyclictest33-21ksoftirqd/211:04:432
12855992823,3cyclictest33-21ksoftirqd/208:24:232
12855992823,3cyclictest33-21ksoftirqd/207:44:422
12855992822,4cyclictest33-21ksoftirqd/210:54:402
12855992822,3cyclictest33-21ksoftirqd/212:09:292
12855992822,3cyclictest33-21ksoftirqd/210:24:262
12855992821,5cyclictest33-21ksoftirqd/209:29:542
12855992821,5cyclictest33-21ksoftirqd/209:29:542
12855992821,4cyclictest33-21ksoftirqd/207:37:232
12855992816,10cyclictest33-21ksoftirqd/208:54:242
1285599281,4cyclictest33-21ksoftirqd/212:29:502
12848992823,3cyclictest25-21ksoftirqd/110:19:411
12848992823,3cyclictest25-21ksoftirqd/110:09:381
12842992823,3cyclictest9-21ksoftirqd/011:29:480
308522270,2sleep00-21swapper/010:20:370
12855992722,3cyclictest33-21ksoftirqd/210:04:452
12855992722,3cyclictest33-21ksoftirqd/209:44:252
12855992722,3cyclictest33-21ksoftirqd/208:14:352
12855992721,3cyclictest33-21ksoftirqd/207:59:492
12855992720,4cyclictest33-21ksoftirqd/209:22:172
12855992719,4cyclictest33-21ksoftirqd/208:59:372
12855992716,9cyclictest33-21ksoftirqd/209:34:432
12855992716,9cyclictest33-21ksoftirqd/209:34:432
12848992722,3cyclictest25-21ksoftirqd/111:49:441
12848992721,4cyclictest20257-21/usr/sbin/munin11:14:511
12848992721,3cyclictest25-21ksoftirqd/110:49:281
12848992721,3cyclictest25-21ksoftirqd/107:47:071
310602260,2sleep00-21swapper/009:09:240
12855992622,3cyclictest33-21ksoftirqd/209:49:252
12855992621,3cyclictest47150irq/102-ens3-Tx11:54:372
12855992621,3cyclictest33-21ksoftirqd/212:24:412
12855992621,3cyclictest33-21ksoftirqd/211:24:472
12855992621,3cyclictest33-21ksoftirqd/209:09:232
12855992621,3cyclictest33-21ksoftirqd/207:39:382
12855992621,3cyclictest33-21ksoftirqd/207:29:212
12855992620,3cyclictest33-21ksoftirqd/208:42:332
12855992619,4cyclictest33-21ksoftirqd/208:57:402
12848992620,3cyclictest25-21ksoftirqd/108:21:411
12848992619,4cyclictest25-21ksoftirqd/108:02:191
12848992613,4cyclictest25-21ksoftirqd/111:29:511
12842992621,3cyclictest9-21ksoftirqd/007:59:390
12842992619,4cyclictest9-21ksoftirqd/008:25:110
12855992520,3cyclictest33-21ksoftirqd/212:44:402
12855992520,3cyclictest33-21ksoftirqd/209:49:422
12855992520,3cyclictest33-21ksoftirqd/209:14:432
12855992520,3cyclictest33-21ksoftirqd/208:24:242
12855992519,3cyclictest33-21ksoftirqd/207:49:302
12855992519,3cyclictest33-21ksoftirqd/207:49:302
12855992518,4cyclictest33-21ksoftirqd/208:38:012
12848992520,3cyclictest25-21ksoftirqd/111:24:531
12848992520,3cyclictest25-21ksoftirqd/109:29:421
12848992520,3cyclictest25-21ksoftirqd/109:29:421
12848992519,3cyclictest25-21ksoftirqd/112:14:001
12848992519,3cyclictest25-21ksoftirqd/109:59:371
12848992519,3cyclictest25-21ksoftirqd/108:39:151
12848992518,4cyclictest25-21ksoftirqd/107:50:551
12848992518,4cyclictest25-21ksoftirqd/107:50:551
12848992512,10cyclictest18004-21run-parts11:44:501
12842992519,4cyclictest9-21ksoftirqd/007:56:200
12842992519,3cyclictest9-21ksoftirqd/009:00:390
12842992519,3cyclictest9129-21grep09:59:400
12842992518,4cyclictest9-21ksoftirqd/009:15:090
12842992518,4cyclictest9-21ksoftirqd/008:58:470
12842992518,4cyclictest9-21ksoftirqd/008:42:410
12842992517,3cyclictest0-21swapper/010:59:400
12855992418,3cyclictest33-21ksoftirqd/208:09:062
12848992419,3cyclictest25-21ksoftirqd/111:41:241
12848992419,3cyclictest25-21ksoftirqd/111:19:551
12848992419,3cyclictest25-21ksoftirqd/111:19:551
12848992418,3cyclictest25-21ksoftirqd/107:58:381
12842992419,3cyclictest9-21ksoftirqd/011:44:280
12842992418,3cyclictest9-21ksoftirqd/008:50:150
12842992417,4cyclictest9-21ksoftirqd/007:51:300
12842992417,4cyclictest9-21ksoftirqd/007:51:300
12842992417,4cyclictest9-21ksoftirqd/007:37:170
12855992319,3cyclictest33-21ksoftirqd/212:19:422
12848992318,3cyclictest25-21ksoftirqd/112:54:291
12848992318,3cyclictest25-21ksoftirqd/112:34:571
12848992317,3cyclictest25-21ksoftirqd/112:33:111
12848992317,3cyclictest25-21ksoftirqd/109:22:471
12848992317,3cyclictest25-21ksoftirqd/108:06:331
12848992316,4cyclictest25-21ksoftirqd/109:11:281
12848992316,4cyclictest25-21ksoftirqd/108:59:001
12848992315,5cyclictest7835-21ptp4l-jitter12:39:511
12842992318,3cyclictest9-21ksoftirqd/012:04:490
12842992317,3cyclictest9-21ksoftirqd/007:40:460
12842992316,4cyclictest9-21ksoftirqd/008:49:190
12842992316,4cyclictest9-21ksoftirqd/008:16:560
12842992316,4cyclictest9-21ksoftirqd/007:24:490
1284299230,3cyclictest121rcu_preempt10:41:050
1284899229,10cyclictest10885-21latency_hist10:34:271
1284899228,4cyclictest25-21ksoftirqd/110:41:051
12848992217,3cyclictest25-21ksoftirqd/111:09:421
12848992217,3cyclictest25-21ksoftirqd/111:04:401
12848992216,3cyclictest25-21ksoftirqd/110:18:461
12848992215,4cyclictest25-21ksoftirqd/108:10:381
12848992212,6cyclictest1134-21apt-get10:24:381
12842992217,3cyclictest9-21ksoftirqd/012:41:330
12842992217,3cyclictest9-21ksoftirqd/012:19:410
12842992217,3cyclictest9-21ksoftirqd/011:24:010
12842992217,3cyclictest9-21ksoftirqd/011:24:010
12842992217,3cyclictest9-21ksoftirqd/011:09:520
12842992217,3cyclictest9-21ksoftirqd/009:25:450
12842992216,3cyclictest9-21ksoftirqd/009:24:240
12842992216,3cyclictest9-21ksoftirqd/008:05:210
12842992215,4cyclictest9-21ksoftirqd/010:34:100
12842992214,5cyclictest23770-21grep10:14:380
12842992212,5cyclictest101ktimersoftd/012:24:400
12848992116,3cyclictest25-21ksoftirqd/109:54:251
12848992116,3cyclictest25-21ksoftirqd/109:34:291
12848992116,3cyclictest25-21ksoftirqd/109:34:291
12848992115,3cyclictest25-21ksoftirqd/108:30:381
1284899211,4cyclictest26473-21/usr/sbin/munin11:54:441
12848992114,4cyclictest23909-21/usr/sbin/munin12:24:551
1284299216,9cyclictest31571-21ssh11:59:410
1284299213,15cyclictest4746-21cron08:14:230
12842992115,4cyclictest11938-21tr12:44:450
12842992114,4cyclictest9-21ksoftirqd/010:39:270
12842992114,4cyclictest8275-21pluginstate09:59:250
12842992114,4cyclictest8079-21/usr/sbin/munin08:19:400
12842992112,5cyclictest17352-21ssh11:44:450
1284899206,5cyclictest25-21ksoftirqd/112:14:481
12848992015,3cyclictest25-21ksoftirqd/109:00:321
12848992014,4cyclictest840-21sed11:59:571
12848992014,4cyclictest25-21ksoftirqd/108:50:251
12848992014,3cyclictest25-21ksoftirqd/108:26:201
12848992014,3cyclictest15161-21latency_hist07:29:221
12848992013,4cyclictest20230-21phc2sys12:19:501
12848992013,4cyclictest15019-21sh12:47:501
1284299205,10cyclictest31137-21ssh09:49:370
1284299203,10cyclictest23258-21apt-get07:44:360
12842992015,3cyclictest9-21ksoftirqd/012:29:470
12842992015,3cyclictest9-21ksoftirqd/012:14:420
12842992015,3cyclictest9-21ksoftirqd/011:54:190
12842992015,3cyclictest9-21ksoftirqd/011:39:280
12842992015,3cyclictest9-21ksoftirqd/010:09:470
12842992014,4cyclictest9-21ksoftirqd/008:31:010
12842992014,3cyclictest9-21ksoftirqd/009:11:540
12842992013,4cyclictest987-21sshd10:54:320
12842992013,4cyclictest9628-21sed11:04:450
12842992013,4cyclictest16786-21sh10:07:020
12842992012,5cyclictest25441-21sshd10:48:320
12842992011,3cyclictest9-21ksoftirqd/012:49:570
12855991914,3cyclictest29068-21sed07:54:442
1284899198,3cyclictest41222expr10:59:411
1284899197,10cyclictest22714-21switchtime09:39:531
1284899194,9cyclictest29013-21apt-get09:04:371
12848991914,3cyclictest15337-21munin-node07:29:221
12848991913,3cyclictest5779-21diskmemload11:34:351
12848991913,3cyclictest25-21ksoftirqd/108:18:201
12848991913,3cyclictest2224-21irqstats09:14:431
12848991912,5cyclictest25-21ksoftirqd/110:04:371
12848991912,4cyclictest17746-21if_ens308:39:411
1284899191,16cyclictest6630-21ssh09:56:421
1284299199,7cyclictest2020-21tail12:34:450
12842991914,3cyclictest9-21ksoftirqd/012:09:580
12842991914,3cyclictest9-21ksoftirqd/007:29:410
12842991913,3cyclictest30717-21sh11:25:090
12842991913,3cyclictest26317-21/usr/sbin/munin10:49:540
12842991912,4cyclictest5779-21diskmemload11:15:100
12842991912,4cyclictest1311-21cstates10:24:390
12848991812,3cyclictest19717-21expr08:44:371
12848991812,3cyclictest18963-21tail07:34:381
1284899181,15cyclictest0-21swapper/110:54:581
12848991811,4cyclictest22116-21tail07:39:441
1284299184,8cyclictest14799-21apt-get08:34:360
12842991811,4cyclictest21712-21smartctl09:39:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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