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2026-07-06 - 17:01
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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 Mon Jul 06, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
603221620,3sleep0327399cyclictest14:30:470
3041721570,4sleep3329299cyclictest13:15:583
106891980,3ptp4l401ktimersoftd/309:03:403
106891980,3ptp4l401ktimersoftd/309:03:403
106891690,9ptp4l401ktimersoftd/312:36:193
106891690,9ptp4l401ktimersoftd/312:36:193
36802660,1sleep10-21swapper/113:54:381
106891640,1ptp4l401ktimersoftd/311:46:283
106891630,1ptp4l401ktimersoftd/312:06:143
276582610,3sleep029470-21diskmemload11:34:170
31102594,10sleep10-21swapper/109:03:161
31102594,10sleep10-21swapper/109:03:161
245442590,3sleep0101ktimersoftd/014:16:570
207112570,2sleep10-21swapper/111:27:001
106891570,1ptp4l401ktimersoftd/311:09:343
102382570,1sleep20-21swapper/212:54:452
50152560,3sleep30-21swapper/309:04:413
325512560,2sleep10-21swapper/109:59:271
28562564,41sleep00-21swapper/008:59:550
28562564,41sleep00-21swapper/008:59:550
106891560,1ptp4l401ktimersoftd/312:48:583
316192550,2sleep10-21swapper/111:04:311
298782550,5sleep3329299cyclictest14:22:473
298782550,5sleep3329299cyclictest14:22:473
106891550,1ptp4l401ktimersoftd/312:56:503
106891540,2ptp4l401ktimersoftd/313:28:043
106891540,1ptp4l401ktimersoftd/312:49:443
106891520,1ptp4l401ktimersoftd/311:07:543
30662485,31sleep20-21swapper/209:02:402
30662485,31sleep20-21swapper/209:02:402
106891470,2ptp4l566-21kworker/3:112:22:063
177032400,2sleep00-21swapper/013:36:220
3273993821,6cyclictest9-21ksoftirqd/011:29:160
106891380,1ptp4l401ktimersoftd/314:31:043
106891380,1ptp4l401ktimersoftd/314:26:553
106891380,1ptp4l401ktimersoftd/314:26:553
106891380,1ptp4l401ktimersoftd/314:11:473
106891380,1ptp4l401ktimersoftd/314:03:133
106891380,1ptp4l401ktimersoftd/313:56:313
106891380,1ptp4l401ktimersoftd/313:49:083
106891380,1ptp4l401ktimersoftd/313:20:073
106891380,1ptp4l401ktimersoftd/313:00:523
106891380,1ptp4l401ktimersoftd/312:30:523
106891380,1ptp4l401ktimersoftd/312:12:293
106891380,1ptp4l401ktimersoftd/311:55:263
106891380,1ptp4l401ktimersoftd/311:42:013
106891380,1ptp4l401ktimersoftd/311:37:043
106891380,1ptp4l401ktimersoftd/311:31:303
106891380,1ptp4l401ktimersoftd/311:18:303
106891380,1ptp4l401ktimersoftd/310:24:243
106891380,1ptp4l401ktimersoftd/310:07:263
106891370,1ptp4l401ktimersoftd/314:15:393
106891370,1ptp4l401ktimersoftd/314:05:113
106891370,1ptp4l401ktimersoftd/313:36:473
106891370,1ptp4l401ktimersoftd/313:29:173
106891370,1ptp4l401ktimersoftd/313:11:193
106891370,1ptp4l401ktimersoftd/313:08:533
106891370,1ptp4l401ktimersoftd/312:40:453
106891370,1ptp4l401ktimersoftd/312:40:453
106891370,1ptp4l401ktimersoftd/312:02:563
106891370,1ptp4l401ktimersoftd/311:49:473
106891370,1ptp4l401ktimersoftd/311:25:243
106891370,1ptp4l401ktimersoftd/309:39:363
3273993630,3cyclictest3149-21turbostat10:09:000
106891360,1ptp4l401ktimersoftd/312:18:003
106891360,0ptp4l401ktimersoftd/313:46:233
106891360,0ptp4l401ktimersoftd/312:25:003
106891350,1ptp4l401ktimersoftd/313:43:423
106891350,0ptp4l401ktimersoftd/309:19:083
86532340,2sleep00-21swapper/011:14:220
329299334,24cyclictest0-21swapper/310:19:123
106891330,2ptp4l566-21kworker/3:110:32:033
106891330,1ptp4l401ktimersoftd/311:19:183
106891330,12ptp4l401ktimersoftd/309:57:333
3285993218,11cyclictest33-21ksoftirqd/210:13:252
3273993219,10cyclictest9-21ksoftirqd/010:39:000
106891320,1ptp4l401ktimersoftd/309:48:423
100102320,2sleep20-21swapper/212:22:532
60482310,3sleep2311rcuc/213:24:242
106891310,1ptp4l401ktimersoftd/310:57:033
106891310,1ptp4l401ktimersoftd/310:36:373
106891310,1ptp4l401ktimersoftd/310:12:083
106891310,0ptp4l401ktimersoftd/309:29:273
106891300,0ptp4l401ktimersoftd/311:02:483
3279992915,4cyclictest25-21ksoftirqd/111:31:531
3273992915,4cyclictest9-21ksoftirqd/009:09:160
300772290,2sleep00-21swapper/012:09:220
65002280,5sleep1241ktimersoftd/114:31:361
328599281,2cyclictest121rcu_preempt11:37:252
328599280,2cyclictest0-21swapper/211:24:372
3279992823,3cyclictest25-21ksoftirqd/109:54:001
3273992822,3cyclictest9-21ksoftirqd/012:23:520
106891280,1ptp4l401ktimersoftd/309:35:573
3292992721,3cyclictest41-21ksoftirqd/309:49:073
328599278,9cyclictest33-21ksoftirqd/210:31:162
3285992720,4cyclictest33-21ksoftirqd/210:24:222
3273992712,3cyclictest9-21ksoftirqd/012:03:010
3292992621,3cyclictest41-21ksoftirqd/310:49:283
3292992621,3cyclictest41-21ksoftirqd/310:49:283
328599269,10cyclictest14278-21ssh11:54:142
3285992620,3cyclictest33-21ksoftirqd/214:12:342
3285992620,3cyclictest33-21ksoftirqd/210:57:092
3285992620,3cyclictest33-21ksoftirqd/209:05:192
3279992621,3cyclictest25-21ksoftirqd/111:34:261
3279992620,4cyclictest25-21ksoftirqd/109:22:261
3273992620,3cyclictest9-21ksoftirqd/009:42:480
3273992619,4cyclictest9-21ksoftirqd/009:08:530
3273992619,4cyclictest14342-21ssh11:19:310
284982260,2sleep00-21swapper/012:09:020
180872260,3sleep2321ktimersoftd/213:04:172
55212250,1sleep00-21swapper/012:50:010
3292992519,4cyclictest41-21ksoftirqd/309:27:573
3292992519,3cyclictest41-21ksoftirqd/310:18:013
3285992519,3cyclictest33-21ksoftirqd/209:24:472
3285992518,4cyclictest33-21ksoftirqd/212:46:342
3285992518,4cyclictest33-21ksoftirqd/209:39:052
3285992518,4cyclictest33-21ksoftirqd/209:23:432
3279992520,3cyclictest25-21ksoftirqd/112:34:031
3279992520,3cyclictest25-21ksoftirqd/112:14:321
3279992520,3cyclictest25-21ksoftirqd/111:19:191
3279992518,4cyclictest10222-21ssh12:54:431
3273992520,3cyclictest9-21ksoftirqd/012:46:040
3273992519,4cyclictest9-21ksoftirqd/010:13:520
3273992519,3cyclictest9-21ksoftirqd/014:26:040
3273992519,3cyclictest9-21ksoftirqd/014:26:040
3273992518,4cyclictest9-21ksoftirqd/010:21:470
3273992518,4cyclictest9-21ksoftirqd/009:44:330
106891250,0ptp4l401ktimersoftd/309:12:273
328599243,13cyclictest14811-21ssh13:34:162
3285992418,3cyclictest33-21ksoftirqd/213:30:502
3285992418,3cyclictest33-21ksoftirqd/210:16:192
3285992417,4cyclictest33-21ksoftirqd/210:02:092
3285992417,4cyclictest33-21ksoftirqd/209:58:362
3285992417,4cyclictest33-21ksoftirqd/209:38:492
3285992417,4cyclictest27863-21users09:49:312
327999246,3cyclictest12441-21runrttasks11:51:371
3279992419,3cyclictest25-21ksoftirqd/113:59:181
3279992418,4cyclictest25-21ksoftirqd/110:48:251
3279992418,3cyclictest6862-21ssh11:13:341
3279992418,3cyclictest25-21ksoftirqd/112:44:401
3279992418,3cyclictest25-21ksoftirqd/109:48:311
3279992418,3cyclictest25-21ksoftirqd/109:13:311
3279992417,4cyclictest25-21ksoftirqd/110:57:211
3279992412,8cyclictest47050irq/101-ens3-Tx12:19:171
327999240,3cyclictest121rcu_preempt10:31:161
3273992417,4cyclictest9-21ksoftirqd/010:48:120
3273992417,4cyclictest9-21ksoftirqd/010:02:150
3273992416,5cyclictest9295-21tr09:14:100
292832240,2sleep00-21swapper/013:49:160
106891240,1ptp4l401ktimersoftd/310:44:133
106891240,1ptp4l401ktimersoftd/310:39:263
328599239,3cyclictest25214-21sh13:10:242
328599234,8cyclictest33-21ksoftirqd/214:16:352
3285992318,3cyclictest33-21ksoftirqd/212:27:102
3285992318,3cyclictest33-21ksoftirqd/209:44:272
3285992318,3cyclictest33-21ksoftirqd/209:33:542
3285992317,4cyclictest33-21ksoftirqd/212:04:512
3285992317,4cyclictest33-21ksoftirqd/210:06:432
3285992317,3cyclictest33-21ksoftirqd/213:23:522
3285992317,3cyclictest33-21ksoftirqd/213:14:212
3285992317,3cyclictest33-21ksoftirqd/212:35:062
3285992317,3cyclictest33-21ksoftirqd/212:35:062
3285992316,4cyclictest31150-21tr14:24:192
3285992316,4cyclictest31150-21tr14:24:192
328599231,3cyclictest25961-21snmp_o5powerctl13:44:292
3279992318,3cyclictest25-21ksoftirqd/114:24:331
3279992318,3cyclictest25-21ksoftirqd/114:24:331
3279992316,4cyclictest25-21ksoftirqd/111:55:101
3279992316,4cyclictest24878-21fschecks_time13:44:191
3273992318,3cyclictest9-21ksoftirqd/013:09:210
3273992318,3cyclictest9-21ksoftirqd/012:31:300
3273992317,4cyclictest9-21ksoftirqd/010:52:060
3273992317,4cyclictest9-21ksoftirqd/010:52:060
3273992317,4cyclictest9-21ksoftirqd/009:53:240
3273992317,3cyclictest9-21ksoftirqd/010:39:420
192482231,18sleep119359-21sort09:34:151
106891230,1ptp4l401ktimersoftd/309:14:013
106891230,0ptp4l401ktimersoftd/309:59:013
72522220,2sleep00-21swapper/013:59:230
328599225,8cyclictest33-21ksoftirqd/212:09:482
3285992217,3cyclictest33-21ksoftirqd/209:13:582
3285992216,3cyclictest33-21ksoftirqd/210:34:292
3285992216,3cyclictest33-21ksoftirqd/210:23:212
3285992216,3cyclictest2066-21tr12:14:212
3279992217,3cyclictest25-21ksoftirqd/113:09:151
3279992217,3cyclictest25-21ksoftirqd/112:04:301
3279992216,4cyclictest25-21ksoftirqd/110:36:011
3279992216,3cyclictest25-21ksoftirqd/110:05:421
3279992215,4cyclictest25-21ksoftirqd/113:51:491
3279992215,4cyclictest25-21ksoftirqd/110:28:301
327399229,10cyclictest18868-21cat11:59:030
3273992217,3cyclictest9-21ksoftirqd/014:04:210
3273992213,6cyclictest2579-21sed13:54:260
327399221,18cyclictest9363-21missed_timers12:54:240
327399221,18cyclictest26552-21tail12:39:200
327399221,18cyclictest26552-21tail12:39:200
101722220,3sleep210181-21sh11:15:492
328599216,5cyclictest20584-21cron12:34:032
3285992116,3cyclictest33-21ksoftirqd/212:59:242
3285992116,3cyclictest33-21ksoftirqd/212:43:052
3285992116,3cyclictest33-21ksoftirqd/212:43:052
3285992114,4cyclictest7146-21latency_hist11:14:022
3285992114,4cyclictest5804-21sh11:44:242
327999212,7cyclictest25476-21apt-get12:39:071
327999212,7cyclictest25476-21apt-get12:39:071
3279992116,3cyclictest25-21ksoftirqd/112:09:351
3279992116,3cyclictest25-21ksoftirqd/111:14:251
327999211,4cyclictest22817-21rm13:41:501
3279992114,4cyclictest47050irq/101-ens3-Tx12:49:161
3279992114,3cyclictest16210-21date14:09:051
3279992113,4cyclictest241ktimersoftd/114:14:171
3273992112,5cyclictest16516-21cpuspeed_turbos14:09:190
327399211,17cyclictest16518-21df_inode09:29:130
3285992014,3cyclictest33-21ksoftirqd/210:51:362
3285992014,3cyclictest33-21ksoftirqd/210:51:362
3285992014,3cyclictest22953-21sh13:42:042
3285992014,3cyclictest11490-21/usr/sbin/munin14:04:262
3285992013,4cyclictest7039-21sh12:52:392
3285992013,4cyclictest33-21ksoftirqd/210:39:512
3285992013,4cyclictest30610-21phc2sys-jitter13:49:292
3285992013,4cyclictest27836-21gltestperf10:59:172
3285992013,4cyclictest26658-21sh11:33:542
3285992013,4cyclictest13810-21sh11:19:222
3285992013,4cyclictest10796-21unixbench_multi09:14:262
328599201,2cyclictest0-21swapper/213:57:342
328599201,17cyclictest6296-21ssh14:31:142
328599201,17cyclictest528-21ssh11:06:382
328599201,17cyclictest0-21swapper/213:59:382
3279992015,3cyclictest25-21ksoftirqd/113:04:161
3279992015,3cyclictest25-21ksoftirqd/112:34:181
3279992015,3cyclictest25-21ksoftirqd/112:34:181
3279992014,3cyclictest6668-21timerandwakeup13:24:331
3279992014,3cyclictest5942-21sh11:44:261
3279992014,3cyclictest32685-21sh13:19:181
3279992014,3cyclictest28720-21kernelversion13:14:231
3279992014,3cyclictest2793-21sh11:41:481
3279992014,3cyclictest25-21ksoftirqd/109:40:251
3279992014,3cyclictest20913-21pluginstate14:14:051
3279992014,3cyclictest17835-21/usr/sbin/munin10:39:241
3279992013,5cyclictest25-21ksoftirqd/113:29:561
3279992013,4cyclictest29333-21sed09:54:171
3279992013,4cyclictest29113-21seq10:59:401
3279992013,4cyclictest19666-21ls11:59:191
3279992013,4cyclictest17343-21open_files09:29:201
3279992013,4cyclictest16609-21sed13:34:331
3279992013,4cyclictest1-21systemd09:08:591
3273992015,3cyclictest9-21ksoftirqd/013:07:560
3273992015,3cyclictest13087-21/usr/sbin/munin10:29:190
3273992014,3cyclictest9-21ksoftirqd/013:40:360
3273992014,3cyclictest9-21ksoftirqd/013:02:480
3273992014,3cyclictest9-21ksoftirqd/011:46:220
3273992014,3cyclictest9-21ksoftirqd/010:26:190
3273992014,3cyclictest9-21ksoftirqd/009:35:500
3273992013,4cyclictest32164-21cpuspeed_turbos11:39:150
3273992013,4cyclictest25138-21if_ens313:44:210
3273992012,4cyclictest7146-21latency_hist11:14:020
327399201,16cyclictest29470-21diskmemload12:26:180
327399201,16cyclictest2786-21snmp_o5powerctl12:14:270
3285991914,3cyclictest33-21ksoftirqd/211:39:192
3285991913,3cyclictest20497-21cat10:44:142
3285991913,3cyclictest13322-21sh11:53:092
3285991912,4cyclictest26059-21sh14:19:132
3285991912,4cyclictest26059-21sh14:19:132
328599190,2cyclictest0-21swapper/212:00:352
327999191,5cyclictest10503-21snmp_o5powerctl09:14:211
3279991913,4cyclictest22566-21/usr/sbin/munin10:49:231
3279991913,4cyclictest22566-21/usr/sbin/munin10:49:231
3279991913,3cyclictest26105-21/usr/sbin/munin14:19:191
3279991913,3cyclictest26105-21/usr/sbin/munin14:19:191
3279991913,3cyclictest25-21ksoftirqd/110:10:111
3279991913,3cyclictest1055-21runrttasks10:15:121
3279991912,4cyclictest1055-21runrttasks12:25:491
3279991910,3cyclictest25-21ksoftirqd/112:59:191
327399193,11cyclictest28559-21apt-get09:54:110
327399191,4cyclictest9927-21cat11:49:200
3273991914,3cyclictest9-21ksoftirqd/011:25:580
3273991914,3cyclictest21581-21if_enp1s012:34:190
3273991914,3cyclictest21581-21if_enp1s012:34:190
3273991913,3cyclictest9-21ksoftirqd/013:27:230
3273991913,3cyclictest9-21ksoftirqd/011:00:450
3273991913,3cyclictest30822-21latency_hist14:24:060
3273991913,3cyclictest30822-21latency_hist14:24:060
3273991913,3cyclictest26329-21sendmail_mailtr10:54:230
3273991913,3cyclictest15234-21sh09:24:210
3273991913,3cyclictest12452-21grep09:19:180
3273991912,4cyclictest6293-21sed10:14:170
3273991912,4cyclictest30074-21cstates11:04:160
3273991912,4cyclictest27681-21/usr/sbin/munin13:14:250
3273991911,5cyclictest10389-21gltestperf13:29:180
3279991812,3cyclictest14481-21if_ens309:24:151
3279991810,4cyclictest8523-21fschecks_count10:19:161
3273991811,4cyclictest32558-21basename13:19:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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