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2026-06-28 - 06:47
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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 Jun 28, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2862521820,3sleep2700599cyclictest01:05:222
1858121680,4sleep1700099cyclictest02:01:101
1068911190,8ptp4l25608-21kworker/3:220:55:073
27202960,4sleep32724-21irqrtprio00:39:413
140782760,2sleep20-21swapper/201:57:012
279912690,2sleep10-21swapper/123:26:201
151582640,4sleep1700099cyclictest00:52:241
316562620,2sleep30-21swapper/323:29:483
223092590,1sleep10-21swapper/101:32:471
196922580,3sleep0699399cyclictest00:24:330
47462574,10sleep10-21swapper/120:54:231
106891570,1ptp4l401ktimersoftd/300:09:073
700599565,11cyclictest22175-21latency_hist21:29:182
700599563,20cyclictest18923-21ssh01:29:362
700599555,18cyclictest23719-21awk21:29:462
7015995442,5cyclictest41-21ksoftirqd/323:19:313
224172540,1sleep30-21swapper/300:26:203
178852540,3sleep125-21ksoftirqd/123:49:371
142822540,3sleep00-21swapper/021:09:450
700599533,18cyclictest6309-21cpuspeed_turbos01:49:382
700599533,13cyclictest20031-21fschecks_count00:24:372
67622534,38sleep00-21swapper/020:57:450
7015995242,5cyclictest41-21ksoftirqd/301:14:343
700599525,10cyclictest3570-21ls00:39:512
700599523,18cyclictest30932-21fschecks_count02:14:412
700599522,13cyclictest15023-21open_files01:24:442
700599515,10cyclictest19010-21sed21:19:432
700599514,10cyclictest8634-21cut02:24:422
700599513,13cyclictest12841-21ssh23:44:342
700599502,12cyclictest21622-21cut02:04:442
51252500,2sleep30-21swapper/323:04:103
700599492,19cyclictest18630-21wc22:29:332
700599492,12cyclictest25286-21grep23:24:342
7015994838,5cyclictest41-21ksoftirqd/300:49:343
700599486,7cyclictest0-21swapper/222:34:372
700599486,7cyclictest0-21swapper/200:59:362
700599484,11cyclictest25810-21cat02:09:382
700599484,10cyclictest27916-21latency_hist22:49:202
700599483,12cyclictest10231-21ssh23:40:552
700599483,10cyclictest10917-21fschecks_count23:09:362
700599481,13cyclictest643-21date01:44:232
700599481,12cyclictest28475-21/usr/sbin/munin23:59:412
700599480,12cyclictest5011-21ssh00:09:342
700599474,11cyclictest3999-21ls02:19:452
700599473,11cyclictest3707-21sed23:34:392
700599471,13cyclictest24035-21cut22:39:362
700599471,13cyclictest24035-21cut22:39:362
700599471,12cyclictest25187-21gltestperf21:34:342
700599470,15cyclictest15717-21latency_hist22:24:192
106891470,1ptp4l401ktimersoftd/323:35:553
700599466,7cyclictest21624-21processes23:19:412
700599465,8cyclictest0-21swapper/221:09:402
700599464,8cyclictest2677-21snmp_o5powerctl01:44:492
700599463,12cyclictest18319-21timerandwakeup00:54:512
700599462,10cyclictest31484-21cpuspeed_turbos01:09:352
700599460,12cyclictest28026-21/usr/sbin/munin22:49:312
700599460,12cyclictest17292-21processes01:59:482
700599451,13cyclictest22897-21perl23:54:382
700599451,12cyclictest32537-21diskmemload01:14:452
700599450,13cyclictest14600-21ssh00:51:272
700599450,12cyclictest11400-21switchtime00:14:502
700599442,10cyclictest15781-21diskstats23:14:372
7015994332,5cyclictest41-21ksoftirqd/323:04:333
7015994231,5cyclictest41-21ksoftirqd/300:09:343
7015994113,4cyclictest41-21ksoftirqd/301:04:383
106891410,1ptp4l401ktimersoftd/321:16:423
7015994019,3cyclictest41-21ksoftirqd/302:04:553
7015994017,8cyclictest41-21ksoftirqd/301:44:233
7015994017,4cyclictest41-21ksoftirqd/322:49:483
700599404,6cyclictest0-21swapper/200:34:452
700599401,20cyclictest7873-21snmp_o5powerctl22:04:432
6993994034,4cyclictest26789-21latency_hist21:39:180
106891400,1ptp4l401ktimersoftd/323:25:593
7015993933,3cyclictest41-21ksoftirqd/301:29:243
7015993925,11cyclictest41-21ksoftirqd/301:29:393
700599393,5cyclictest0-21swapper/223:29:402
106891390,1ptp4l401ktimersoftd/322:39:433
106891390,1ptp4l401ktimersoftd/322:39:433
106891390,1ptp4l401ktimersoftd/301:53:273
106891390,15ptp4l401ktimersoftd/301:19:393
106891380,1ptp4l401ktimersoftd/323:57:123
106891380,1ptp4l401ktimersoftd/323:11:283
106891380,1ptp4l401ktimersoftd/321:29:423
106891380,1ptp4l401ktimersoftd/302:17:283
106891380,1ptp4l401ktimersoftd/301:59:543
106891380,1ptp4l401ktimersoftd/301:56:363
106891380,1ptp4l401ktimersoftd/300:46:173
106891380,1ptp4l401ktimersoftd/300:19:253
106891380,1ptp4l401ktimersoftd/300:19:253
106891380,0ptp4l401ktimersoftd/302:11:373
701599375,7cyclictest41-21ksoftirqd/301:14:233
7015993725,9cyclictest41-21ksoftirqd/322:29:373
700599377,6cyclictest0-21swapper/200:29:432
700599374,5cyclictest0-21swapper/223:06:372
700599373,8cyclictest31812-21snmp_o5powerctl22:54:452
269492370,2sleep10-21swapper/123:59:201
106891370,1ptp4l401ktimersoftd/323:49:503
106891370,1ptp4l401ktimersoftd/323:42:413
106891370,1ptp4l401ktimersoftd/322:24:363
106891370,1ptp4l401ktimersoftd/301:03:133
106891370,1ptp4l401ktimersoftd/300:56:493
106891370,1ptp4l401ktimersoftd/300:35:173
106891370,1ptp4l401ktimersoftd/300:29:243
106891370,0ptp4l401ktimersoftd/302:24:313
106891370,0ptp4l401ktimersoftd/301:44:343
701599364,3cyclictest121rcu_preempt22:49:193
7015993629,3cyclictest41-21ksoftirqd/320:59:213
7015993622,5cyclictest41-21ksoftirqd/323:14:523
700599363,8cyclictest25126-21snmp_o5powerctl01:34:512
106891360,1ptp4l401ktimersoftd/323:47:183
106891360,1ptp4l401ktimersoftd/321:59:313
106891360,1ptp4l401ktimersoftd/301:38:533
7015993519,7cyclictest41-21ksoftirqd/322:19:193
701599346,5cyclictest41-21ksoftirqd/322:54:373
7015993428,3cyclictest41-21ksoftirqd/322:04:483
7015993428,3cyclictest41-21ksoftirqd/321:04:213
7015993410,4cyclictest41-21ksoftirqd/321:19:343
701599336,3cyclictest41-21ksoftirqd/300:14:453
7015993327,3cyclictest41-21ksoftirqd/300:04:213
7015993320,4cyclictest41-21ksoftirqd/321:39:183
700599334,13cyclictest4217-21cpuspeed_turbos21:59:302
7000993325,5cyclictest25-21ksoftirqd/123:29:331
7015993227,3cyclictest41-21ksoftirqd/321:14:183
7015993226,3cyclictest41-21ksoftirqd/302:19:423
7015993218,5cyclictest41-21ksoftirqd/321:49:323
700599326,22cyclictest32542-21apt-get22:59:222
700599323,9cyclictest12456-21ps22:14:402
699399321,6cyclictest121rcu_preempt23:08:010
701599314,4cyclictest41-21ksoftirqd/321:54:323
701599312,7cyclictest121rcu_preempt21:24:453
7015993126,3cyclictest41-21ksoftirqd/322:24:193
700599313,6cyclictest0-21swapper/201:19:342
700599313,13cyclictest7729-21irqrtprio00:44:422
7000993125,3cyclictest25-21ksoftirqd/102:09:491
699399313,22cyclictest22485-21ssh23:54:350
701599307,7cyclictest41-21ksoftirqd/321:49:193
7015993025,3cyclictest41-21ksoftirqd/322:39:193
7015993025,3cyclictest41-21ksoftirqd/322:14:183
7015993025,3cyclictest41-21ksoftirqd/321:39:293
700599304,12cyclictest962-21cat21:49:462
700599300,18cyclictest0-21swapper/221:09:182
176792300,2sleep00-21swapper/000:21:400
176792300,2sleep00-21swapper/000:21:400
7000992924,3cyclictest25-21ksoftirqd/122:59:201
7000992913,7cyclictest25-21ksoftirqd/101:24:351
6993992922,4cyclictest9-21ksoftirqd/022:39:300
6993992922,4cyclictest9-21ksoftirqd/022:39:300
235812290,3sleep1700099cyclictest22:39:311
235812290,3sleep1700099cyclictest22:39:311
103402290,3sleep09-21ksoftirqd/002:26:020
700599286,6cyclictest0-21swapper/221:39:282
700599285,9cyclictest19056-21snmp_o5powerctl23:49:482
7005992821,4cyclictest33-21ksoftirqd/221:14:292
7000992823,3cyclictest25-21ksoftirqd/101:19:411
6993992822,3cyclictest9-21ksoftirqd/022:34:440
48852285,10sleep20-21swapper/220:54:322
700599278,15cyclictest18091-21cron22:29:192
700599275,18cyclictest11150-21date22:14:192
7000992723,3cyclictest25-21ksoftirqd/101:19:231
7000992722,3cyclictest25-21ksoftirqd/101:44:241
7000992721,3cyclictest25-21ksoftirqd/123:39:411
7000992719,6cyclictest25-21ksoftirqd/101:04:521
6993992722,3cyclictest9-21ksoftirqd/001:39:350
6993992721,3cyclictest9-21ksoftirqd/022:07:240
700599266,5cyclictest0-21swapper/200:19:352
700599266,5cyclictest0-21swapper/200:19:352
7005992618,5cyclictest33-21ksoftirqd/221:03:092
7005992610,13cyclictest2442-21ps21:54:382
7000992621,3cyclictest25-21ksoftirqd/123:14:481
7000992621,3cyclictest25-21ksoftirqd/123:09:201
7000992621,3cyclictest25-21ksoftirqd/122:24:191
7000992621,3cyclictest25-21ksoftirqd/100:59:341
7000992621,2cyclictest231rcuc/100:34:421
7000992620,3cyclictest32278-21irqrtprio01:09:411
7000992620,3cyclictest25-21ksoftirqd/123:59:391
7000992620,3cyclictest25-21ksoftirqd/121:49:181
7000992620,3cyclictest25-21ksoftirqd/121:33:341
7000992620,3cyclictest25-21ksoftirqd/100:54:351
7000992620,3cyclictest25-21ksoftirqd/100:09:281
7000992619,4cyclictest940-21kworker/1:121:54:321
7000992619,4cyclictest25-21ksoftirqd/122:52:121
7000992619,4cyclictest25-21ksoftirqd/121:44:111
7000992619,4cyclictest23038-21cron22:39:191
7000992615,5cyclictest25-21ksoftirqd/100:19:311
7000992615,5cyclictest25-21ksoftirqd/100:19:311
6993992620,3cyclictest9-21ksoftirqd/022:25:110
7000992520,3cyclictest25-21ksoftirqd/122:34:191
7000992520,3cyclictest25-21ksoftirqd/122:29:191
7000992520,3cyclictest25-21ksoftirqd/122:04:371
7000992520,3cyclictest25-21ksoftirqd/101:49:401
7000992520,3cyclictest25-21ksoftirqd/100:44:361
7000992520,3cyclictest25-21ksoftirqd/100:39:421
7000992520,3cyclictest25-21ksoftirqd/100:14:381
7000992519,4cyclictest25-21ksoftirqd/100:31:321
7000992519,3cyclictest25-21ksoftirqd/123:47:001
7000992519,3cyclictest25-21ksoftirqd/122:49:191
7000992519,3cyclictest25-21ksoftirqd/121:24:351
7000992519,3cyclictest25-21ksoftirqd/102:24:361
6993992520,3cyclictest9-21ksoftirqd/001:44:400
6993992519,4cyclictest9-21ksoftirqd/022:59:130
6993992519,3cyclictest9-21ksoftirqd/021:44:290
6993992518,4cyclictest9-21ksoftirqd/022:13:200
7000992419,3cyclictest25-21ksoftirqd/100:04:221
7000992418,4cyclictest25-21ksoftirqd/121:53:221
7000992418,4cyclictest25-21ksoftirqd/121:04:211
7000992418,3cyclictest25-21ksoftirqd/102:14:441
7000992417,4cyclictest25-21ksoftirqd/121:10:101
7000992411,10cyclictest21890-21sed02:04:451
6993992419,3cyclictest9-21ksoftirqd/023:19:050
6993992418,3cyclictest9-21ksoftirqd/022:52:070
6993992418,3cyclictest9-21ksoftirqd/022:47:160
700599237,12cyclictest0-21swapper/200:04:322
700599234,16cyclictest30805-21snmp_o5powerctl21:44:442
7000992318,3cyclictest25-21ksoftirqd/123:09:401
7000992318,3cyclictest25-21ksoftirqd/123:04:191
7000992317,4cyclictest25-21ksoftirqd/121:59:571
7000992316,4cyclictest25-21ksoftirqd/121:36:241
7000992311,7cyclictest0-21swapper/100:24:341
6993992318,3cyclictest9-21ksoftirqd/021:14:470
6993992317,3cyclictest9-21ksoftirqd/022:24:120
6993992317,3cyclictest9-21ksoftirqd/022:01:100
6993992316,4cyclictest9-21ksoftirqd/021:19:250
7000992217,3cyclictest5475-21kworker/1:202:19:251
7000992216,3cyclictest25-21ksoftirqd/101:48:031
7000992216,3cyclictest25-21ksoftirqd/101:34:531
699399223,12cyclictest10578-21ssh23:09:330
6993992217,3cyclictest9-21ksoftirqd/023:38:440
6993992216,3cyclictest9-21ksoftirqd/021:57:360
6993992216,3cyclictest9-21ksoftirqd/000:45:290
6993992215,4cyclictest9-21ksoftirqd/022:17:540
6993992215,4cyclictest20277-21/usr/sbin/munin23:19:300
699399221,4cyclictest21310-21snmp_o5powerctl21:24:420
7000992116,3cyclictest25-21ksoftirqd/101:54:381
7000992115,3cyclictest25-21ksoftirqd/122:11:281
7000992115,3cyclictest25-21ksoftirqd/121:23:581
7000992114,4cyclictest11678-21gltestperf22:14:341
6993992115,4cyclictest9-21ksoftirqd/021:03:310
6993992115,4cyclictest1591-21cron00:39:220
6993992115,3cyclictest9-21ksoftirqd/000:13:250
6993992115,3cyclictest22748-21gltestperf21:29:350
6993992114,4cyclictest30107-21/usr/sbin/munin23:29:440
6993992114,4cyclictest26391-21/usr/sbin/munin01:04:440
6993992114,4cyclictest12335-21grep01:54:470
699399211,2cyclictest0-21swapper/021:08:380
7000992015,3cyclictest25-21ksoftirqd/121:14:481
7000992015,3cyclictest25-21ksoftirqd/120:59:391
7000992014,3cyclictest25-21ksoftirqd/123:19:381
699399203,10cyclictest16036-21ssh01:59:380
6993992015,3cyclictest9-21ksoftirqd/000:05:460
6993992013,4cyclictest32537-21diskmemload01:18:160
6993992013,4cyclictest31743-21open_files02:14:460
6993992013,4cyclictest29049-21seq21:43:050
6993992013,4cyclictest2523-21cut00:39:400
6993992013,3cyclictest31909-21apt-key00:04:210
699399201,2cyclictest0-21swapper/022:29:520
699399201,16cyclictest25555-21diskstats23:24:360
699399200,17cyclictest26153-21fschecks_time02:09:410
7000991913,4cyclictest25-21ksoftirqd/123:34:431
699399197,9cyclictest0-21swapper/002:19:450
699399196,4cyclictest121rcu_preempt01:34:230
699399193,8cyclictest721-21ssh22:59:310
6993991914,3cyclictest9-21ksoftirqd/000:57:130
6993991914,3cyclictest9-21ksoftirqd/000:49:430
6993991913,3cyclictest32537-21diskmemload01:13:430
6993991913,3cyclictest18121-21hddtemp_smartct23:49:390
699399191,2cyclictest0-21swapper/021:54:030
6993991912,4cyclictest32537-21diskmemload23:45:260
6993991912,4cyclictest32537-21diskmemload02:05:290
6993991912,4cyclictest32537-21diskmemload01:50:530
6993991912,4cyclictest32537-21diskmemload01:26:120
6993991912,4cyclictest26289-21sh01:04:230
699399191,16cyclictest0-21swapper/000:19:100
699399182,13cyclictest8280-21cut23:39:380
699399181,4cyclictest8357-21apt-get01:19:250
6993991812,4cyclictest24167-21expr01:34:410
6993991811,4cyclictest32537-21diskmemload00:29:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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