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2026-09-15 - 01:03
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Mon Sep 14, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2261621770,4sleep33049099cyclictest14:26:313
1068911730,5ptp4l401ktimersoftd/309:38:573
3102321570,5sleep23048299cyclictest10:48:012
2014421560,5sleep03047199cyclictest12:11:580
1256421500,4sleep13047799cyclictest12:03:041
220812870,4sleep33049099cyclictest13:18:263
142142800,2sleep30-21swapper/314:17:563
148852730,15sleep341-21ksoftirqd/312:06:233
106891690,1ptp4l401ktimersoftd/312:10:593
261472670,3sleep3401ktimersoftd/312:50:033
301542594,10sleep10-21swapper/109:39:511
302872574,42sleep00-21swapper/009:41:350
22552560,4sleep341-21ksoftirqd/315:12:123
74742550,2sleep10-21swapper/112:32:061
30482995542,6cyclictest33-21ksoftirqd/210:02:482
302122554,38sleep20-21swapper/209:40:362
70862540,3sleep33049099cyclictest14:09:573
30482995422,3cyclictest33-21ksoftirqd/210:37:552
30482995422,3cyclictest33-21ksoftirqd/210:37:552
106891540,1ptp4l401ktimersoftd/312:36:563
30482995339,6cyclictest33-21ksoftirqd/214:12:562
106891490,1ptp4l401ktimersoftd/313:06:363
30482994738,5cyclictest33-21ksoftirqd/212:22:512
30482994636,5cyclictest33-21ksoftirqd/214:17:552
106891460,2ptp4l25633-21kworker/3:011:53:403
106891460,2ptp4l11835-21kworker/3:215:06:523
106891460,1ptp4l401ktimersoftd/313:36:493
30482994422,6cyclictest33-21ksoftirqd/212:28:112
106891440,1ptp4l401ktimersoftd/312:23:143
3047799423,17cyclictest8933-21sed10:02:521
106891420,13ptp4l11835-21kworker/3:212:55:143
3047799413,14cyclictest31791-21ssh14:02:551
30482994029,5cyclictest33-21ksoftirqd/210:52:502
30482993928,5cyclictest33-21ksoftirqd/212:17:522
30482993928,5cyclictest33-21ksoftirqd/212:17:522
30482993915,20cyclictest33-21ksoftirqd/213:42:422
3047799394,9cyclictest23186-21apt-get12:47:531
3047799393,13cyclictest624-21apt-get12:57:531
106891390,1ptp4l401ktimersoftd/314:46:553
106891390,1ptp4l401ktimersoftd/314:28:193
106891390,1ptp4l401ktimersoftd/313:01:533
106891390,1ptp4l401ktimersoftd/312:13:193
30482993827,5cyclictest33-21ksoftirqd/210:12:502
30482993823,9cyclictest33-21ksoftirqd/211:52:512
106891380,1ptp4l401ktimersoftd/314:55:003
106891380,1ptp4l401ktimersoftd/314:41:503
106891380,1ptp4l401ktimersoftd/314:32:453
106891380,1ptp4l401ktimersoftd/314:01:213
106891380,1ptp4l401ktimersoftd/313:53:083
106891380,1ptp4l401ktimersoftd/313:53:083
106891380,1ptp4l401ktimersoftd/313:52:293
106891380,1ptp4l401ktimersoftd/313:27:063
106891380,1ptp4l401ktimersoftd/313:16:073
106891380,1ptp4l401ktimersoftd/313:08:083
106891380,1ptp4l401ktimersoftd/312:40:403
106891380,1ptp4l401ktimersoftd/312:30:043
106891380,1ptp4l401ktimersoftd/311:50:033
106891380,0ptp4l401ktimersoftd/313:38:323
30482993731,3cyclictest33-21ksoftirqd/213:52:422
30482993715,3cyclictest33-21ksoftirqd/214:08:052
106891370,1ptp4l401ktimersoftd/312:22:223
106891370,1ptp4l401ktimersoftd/312:22:223
106891370,1ptp4l401ktimersoftd/310:15:273
106891370,1ptp4l401ktimersoftd/309:48:183
30482993626,4cyclictest33-21ksoftirqd/211:42:512
30482993617,7cyclictest33-21ksoftirqd/214:37:552
106891360,1ptp4l401ktimersoftd/314:51:463
106891360,1ptp4l401ktimersoftd/311:43:503
106891360,1ptp4l401ktimersoftd/311:23:063
30482993528,4cyclictest33-21ksoftirqd/212:47:462
30482993524,9cyclictest33-21ksoftirqd/215:02:592
30482993513,3cyclictest33-21ksoftirqd/213:22:432
106891350,2ptp4l11835-21kworker/3:214:13:113
106891350,1ptp4l401ktimersoftd/314:04:523
106891350,1ptp4l401ktimersoftd/313:43:403
30482993429,3cyclictest33-21ksoftirqd/213:32:422
30482993428,3cyclictest33-21ksoftirqd/212:12:402
30482993428,3cyclictest33-21ksoftirqd/211:32:392
30482993427,3cyclictest33-21ksoftirqd/213:57:542
30482993423,9cyclictest33-21ksoftirqd/210:27:382
30482993421,10cyclictest33-21ksoftirqd/213:43:002
30482993415,11cyclictest33-21ksoftirqd/213:33:252
30482993414,9cyclictest33-21ksoftirqd/212:38:002
106891340,1ptp4l401ktimersoftd/313:30:113
30482993328,3cyclictest33-21ksoftirqd/214:27:552
30482993328,3cyclictest33-21ksoftirqd/210:12:372
30482993327,3cyclictest33-21ksoftirqd/213:08:132
30482993327,3cyclictest33-21ksoftirqd/211:42:402
30482993326,3cyclictest33-21ksoftirqd/215:12:442
106891330,1ptp4l401ktimersoftd/311:42:193
30482993226,3cyclictest33-21ksoftirqd/211:17:392
30482993220,9cyclictest33-21ksoftirqd/212:03:032
30482993220,9cyclictest33-21ksoftirqd/211:58:082
30482993211,3cyclictest33-21ksoftirqd/214:23:002
3048299320,3cyclictest121rcu_preempt14:47:122
106891320,1ptp4l401ktimersoftd/312:01:023
3048299315,6cyclictest33-21ksoftirqd/214:52:242
30482993126,3cyclictest33-21ksoftirqd/212:13:002
30482993125,3cyclictest33-21ksoftirqd/214:58:022
30482993125,3cyclictest33-21ksoftirqd/214:57:452
30482993125,3cyclictest33-21ksoftirqd/212:32:582
30482993125,3cyclictest33-21ksoftirqd/210:58:072
30482993120,9cyclictest33-21ksoftirqd/210:42:562
3048299310,5cyclictest33-21ksoftirqd/213:23:082
3048299310,3cyclictest121rcu_preempt11:48:422
106891310,1ptp4l401ktimersoftd/312:44:223
106891310,1ptp4l401ktimersoftd/310:36:083
106891310,0ptp4l401ktimersoftd/311:29:213
106891310,0ptp4l401ktimersoftd/310:56:313
3048299309,7cyclictest33-21ksoftirqd/211:07:542
30482993025,3cyclictest33-21ksoftirqd/214:37:442
30482993025,3cyclictest33-21ksoftirqd/212:58:012
30482993025,3cyclictest33-21ksoftirqd/212:53:002
30482993024,3cyclictest33-21ksoftirqd/213:52:592
30482993024,3cyclictest33-21ksoftirqd/213:52:592
30482993024,3cyclictest33-21ksoftirqd/213:17:422
30482993024,3cyclictest33-21ksoftirqd/212:43:082
30482993024,3cyclictest33-21ksoftirqd/209:52:532
30482993023,4cyclictest33-21ksoftirqd/209:52:382
3048299301,5cyclictest33-21ksoftirqd/211:22:592
30482993015,7cyclictest33-21ksoftirqd/211:17:582
3048299300,3cyclictest131rcu_sched09:47:372
3048299300,3cyclictest121rcu_preempt14:02:502
106891300,1ptp4l401ktimersoftd/310:39:473
106891300,1ptp4l401ktimersoftd/310:39:473
106891300,1ptp4l401ktimersoftd/310:20:053
106891300,0ptp4l401ktimersoftd/310:28:293
106891300,0ptp4l401ktimersoftd/309:45:553
3048299294,3cyclictest121rcu_preempt10:33:052
30482992924,3cyclictest33-21ksoftirqd/213:03:012
30482992924,3cyclictest33-21ksoftirqd/211:07:392
30482992923,3cyclictest33-21ksoftirqd/211:33:002
30482992923,3cyclictest33-21ksoftirqd/210:22:382
30482992917,4cyclictest33-21ksoftirqd/210:27:532
106891290,1ptp4l401ktimersoftd/310:27:013
106891290,1ptp4l401ktimersoftd/309:54:233
3048299284,3cyclictest33-21ksoftirqd/209:58:052
30477992822,3cyclictest25-21ksoftirqd/112:17:291
30477992821,4cyclictest25-21ksoftirqd/113:57:541
106891280,0ptp4l401ktimersoftd/311:12:413
106891280,0ptp4l401ktimersoftd/311:08:063
30477992721,3cyclictest25-21ksoftirqd/110:41:111
30477992721,3cyclictest25-21ksoftirqd/110:41:111
30471992722,3cyclictest9-21ksoftirqd/012:54:260
30471992721,3cyclictest9-21ksoftirqd/012:01:470
30471992721,3cyclictest9-21ksoftirqd/009:48:320
30471992720,4cyclictest9-21ksoftirqd/010:27:150
106891270,1ptp4l401ktimersoftd/311:32:553
30490992620,3cyclictest41-21ksoftirqd/310:59:073
30490992619,4cyclictest41-21ksoftirqd/310:46:383
30490992619,4cyclictest41-21ksoftirqd/310:08:123
30471992620,3cyclictest9-21ksoftirqd/011:34:000
30471992620,3cyclictest9-21ksoftirqd/010:00:120
30471992619,4cyclictest9-21ksoftirqd/011:07:100
106891260,1ptp4l401ktimersoftd/311:04:053
106891260,0ptp4l401ktimersoftd/311:19:393
30477992519,3cyclictest25-21ksoftirqd/109:51:231
30477992518,4cyclictest25-21ksoftirqd/113:30:041
30477992518,4cyclictest25-21ksoftirqd/110:10:261
30477992512,10cyclictest9005-21timerandwakeup13:38:101
30471992520,3cyclictest9-21ksoftirqd/011:47:560
30471992519,3cyclictest9-21ksoftirqd/013:23:080
30471992519,3cyclictest9-21ksoftirqd/011:11:200
30471992518,3cyclictest9-21ksoftirqd/012:06:520
30471992515,7cyclictest6433-21ssh12:30:200
134452250,4sleep13047799cyclictest12:37:571
30490992419,3cyclictest41-21ksoftirqd/314:58:113
30490992417,4cyclictest41-21ksoftirqd/310:49:593
30477992418,3cyclictest25-21ksoftirqd/111:03:561
30477992417,4cyclictest25-21ksoftirqd/111:32:041
30477992417,4cyclictest25-21ksoftirqd/111:15:181
3047799241,20cyclictest26164-21ssh11:44:001
3047799240,21cyclictest2569-21grep10:57:551
30471992418,3cyclictest9-21ksoftirqd/014:14:350
30471992418,3cyclictest9-21ksoftirqd/013:52:150
30471992417,4cyclictest9-21ksoftirqd/010:43:450
30471992417,4cyclictest12299-21sed11:17:540
30471992416,5cyclictest9969-21unixbench_multi12:33:080
30471992416,5cyclictest7239-21grep14:43:040
30471992415,6cyclictest9-21ksoftirqd/009:57:250
30471992413,9cyclictest9-21ksoftirqd/013:37:420
3047199241,19cyclictest2729-21snmp_o5powerctl11:53:040
254452240,6sleep0101ktimersoftd/012:48:520
106891240,1ptp4l401ktimersoftd/310:02:593
106891240,1ptp4l401ktimersoftd/309:57:523
30477992318,3cyclictest25-21ksoftirqd/115:04:321
30477992317,3cyclictest25-21ksoftirqd/111:23:571
30477992317,3cyclictest25-21ksoftirqd/110:20:261
30477992317,3cyclictest25-21ksoftirqd/109:42:471
30477992317,3cyclictest0-21swapper/110:32:511
30477992316,4cyclictest25-21ksoftirqd/114:39:341
30477992316,4cyclictest25-21ksoftirqd/113:22:451
30477992316,4cyclictest25-21ksoftirqd/112:24:031
30477992316,4cyclictest11090-21ssh12:34:541
3047799231,3cyclictest22031-21apt-get13:52:551
3047799231,3cyclictest22031-21apt-get13:52:551
3047799231,19cyclictest19107-21ssh12:10:131
3047799231,19cyclictest0-21swapper/114:12:561
3047199236,10cyclictest15695-21ssh14:52:550
30471992317,3cyclictest9-21ksoftirqd/014:03:450
30471992317,3cyclictest9-21ksoftirqd/012:37:510
30471992317,3cyclictest9-21ksoftirqd/010:38:400
30471992317,3cyclictest9-21ksoftirqd/010:38:400
30471992316,4cyclictest9-21ksoftirqd/011:46:440
30471992316,4cyclictest9-21ksoftirqd/010:55:180
30471992316,4cyclictest9-21ksoftirqd/010:13:140
3047199231,4cyclictest32053-21/usr/sbin/munin12:23:010
30477992217,3cyclictest25-21ksoftirqd/111:22:321
30477992216,3cyclictest25-21ksoftirqd/114:10:031
30477992216,3cyclictest25-21ksoftirqd/113:13:011
30477992216,3cyclictest25-21ksoftirqd/111:48:461
30477992216,3cyclictest25-21ksoftirqd/111:11:421
30477992216,3cyclictest19513-21snmp_o5powerctl12:43:061
30477992215,4cyclictest5708-21rm13:35:281
3047799221,18cyclictest28530-21ssh12:19:291
3047799221,18cyclictest28530-21ssh12:19:291
3047799220,19cyclictest7805-21ssh13:04:021
3047199228,8cyclictest10366-21ssh13:07:550
3047199222,10cyclictest640-21ssh12:57:530
30471992216,3cyclictest9-21ksoftirqd/014:36:070
30471992216,3cyclictest9-21ksoftirqd/011:24:270
30471992216,3cyclictest22941-21tail11:38:090
30471992215,4cyclictest9935-21cron13:07:420
3047199221,4cyclictest27915-21ssh14:32:160
30471992214,4cyclictest12955-21irqrtprio13:43:000
30471992213,6cyclictest12913-21idleruntime-cro10:12:370
298952220,2sleep00-21swapper/015:07:430
1711022214,3sleep125-21ksoftirqd/114:53:081
3047799217,4cyclictest25-21ksoftirqd/115:08:201
30477992116,3cyclictest25-21ksoftirqd/110:31:421
30477992116,3cyclictest24346-21ssh13:22:201
30477992115,3cyclictest25-21ksoftirqd/109:56:071
30477992115,3cyclictest23820-21cpuspeed_turbos14:27:571
30477992114,4cyclictest25-21ksoftirqd/110:43:261
30477992114,4cyclictest1838-21sh10:57:381
3047799211,3cyclictest24334-21ssh15:01:331
3047799211,17cyclictest0-21swapper/111:34:321
30471992115,3cyclictest30885-21nfs4_client10:48:000
30471992114,4cyclictest9-21ksoftirqd/011:00:320
30471992114,4cyclictest9-21ksoftirqd/010:18:240
30471992114,4cyclictest28399-21seq13:58:090
30471992114,4cyclictest23165-21cut10:32:540
30471992114,4cyclictest16497-21/usr/sbin/munin11:27:550
30471992114,4cyclictest14096-21sh14:50:440
3047199211,3cyclictest6311-21ssh14:08:360
30471992113,5cyclictest1055-21runrttasks15:11:220
3047199211,17cyclictest2505-21snmp_o5powerctl14:38:080
3047199210,3cyclictest23392-21diskmemload12:43:500
3047799202,15cyclictest11692-21cut13:08:061
30477992014,3cyclictest7355-21nfs4_client11:58:011
30477992014,3cyclictest6281-21expr09:57:511
30477992014,3cyclictest25-21ksoftirqd/114:18:101
30477992014,3cyclictest25-21ksoftirqd/111:42:281
30477992014,3cyclictest18192-21cat10:22:511
30477992014,3cyclictest14670-21ls10:13:061
3047799201,3cyclictest20525-21ssh13:50:511
30477992013,4cyclictest25-21ksoftirqd/110:50:211
30477992013,4cyclictest13266-21grep13:43:011
30477992013,4cyclictest1206-21/usr/sbin/munin11:52:571
30477992013,4cyclictest10708-21/usr/sbin/munin14:48:041
3047799201,18cyclictest0-21swapper/114:26:201
3047799201,16cyclictest9083-21ssh14:45:281
30471992014,3cyclictest9507-21needreboot10:02:560
30471992014,3cyclictest9403-21/usr/sbin/munin11:12:580
30471992014,3cyclictest7470-21cpu13:37:550
30471992014,3cyclictest23392-21diskmemload14:17:510
30471992014,3cyclictest20795-21which10:27:540
30471992014,3cyclictest15126-21/usr/sbin/munin13:12:520
3047199201,3cyclictest20813-21ssh14:23:240
30471992013,4cyclictest9-21ksoftirqd/009:45:520
30471992013,4cyclictest23392-21diskmemload13:18:450
3047199200,3cyclictest23392-21diskmemload12:18:370
3047199200,3cyclictest23392-21diskmemload12:18:370
3047199200,2cyclictest23392-21diskmemload13:28:310
3047199200,17cyclictest23392-21diskmemload15:00:070
30477991912,4cyclictest29355-21phc2sys-jitter12:53:021
3047799190,17cyclictest0-21swapper/114:34:521
30471991912,4cyclictest23392-21diskmemload12:12:530
3047199191,16cyclictest0-21swapper/013:53:470
3047199191,16cyclictest0-21swapper/013:53:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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