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2026-09-05 - 20:46
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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 Sat Sep 05, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2764921770,3sleep01750499cyclictest14:06:070
1038221720,2sleep00-21swapper/010:27:540
2670721490,3sleep21751699cyclictest12:26:082
106891990,4ptp4l401ktimersoftd/309:36:533
106891710,1ptp4l401ktimersoftd/314:43:563
284322690,1sleep00-21swapper/014:39:360
106891690,1ptp4l401ktimersoftd/312:27:363
106891660,10ptp4l401ktimersoftd/314:04:393
170902654,10sleep00-21swapper/009:33:330
158052590,2sleep20-21swapper/214:27:452
158052590,2sleep20-21swapper/214:27:452
106891590,1ptp4l401ktimersoftd/313:18:013
106891580,1ptp4l401ktimersoftd/314:57:143
106891580,1ptp4l401ktimersoftd/312:52:513
106891560,1ptp4l401ktimersoftd/313:05:283
106891550,1ptp4l401ktimersoftd/314:15:293
106891550,1ptp4l401ktimersoftd/314:08:533
134242540,2sleep30-21swapper/312:12:563
106891540,1ptp4l401ktimersoftd/313:29:293
106891530,1ptp4l401ktimersoftd/310:42:053
63902520,3sleep36393-21grep13:43:143
144592520,1sleep00-21swapper/014:25:420
144592520,1sleep00-21swapper/014:25:420
106891520,1ptp4l401ktimersoftd/312:37:253
21532470,1sleep10-21swapper/112:01:101
106891460,1ptp4l401ktimersoftd/314:41:023
47732450,2sleep20-21swapper/212:37:242
106891450,0ptp4l401ktimersoftd/312:41:303
106891450,0ptp4l401ktimersoftd/312:41:303
106891440,1ptp4l401ktimersoftd/313:16:523
158372424,23sleep115892-21/usr/sbin/munin09:32:581
106891390,1ptp4l401ktimersoftd/312:02:103
30282380,1sleep00-21swapper/014:47:550
106891380,1ptp4l401ktimersoftd/315:03:533
106891380,1ptp4l401ktimersoftd/315:01:423
106891380,1ptp4l401ktimersoftd/313:51:043
106891380,1ptp4l401ktimersoftd/313:01:123
106891380,0ptp4l401ktimersoftd/311:54:553
106891370,1ptp4l401ktimersoftd/314:31:323
106891370,1ptp4l401ktimersoftd/314:31:323
106891370,1ptp4l401ktimersoftd/314:24:053
106891370,1ptp4l401ktimersoftd/314:24:053
106891370,1ptp4l401ktimersoftd/314:22:413
106891370,1ptp4l401ktimersoftd/314:00:093
106891370,1ptp4l401ktimersoftd/313:56:253
106891370,1ptp4l401ktimersoftd/313:34:033
106891370,1ptp4l401ktimersoftd/313:24:063
106891370,1ptp4l401ktimersoftd/313:09:533
106891370,1ptp4l401ktimersoftd/312:48:093
106891370,1ptp4l401ktimersoftd/312:31:493
106891370,1ptp4l401ktimersoftd/312:20:573
106891370,1ptp4l401ktimersoftd/311:50:203
106891370,1ptp4l401ktimersoftd/311:45:573
106891370,1ptp4l401ktimersoftd/311:42:353
106891370,0ptp4l401ktimersoftd/314:37:173
106891360,1ptp4l401ktimersoftd/314:48:223
106891360,1ptp4l401ktimersoftd/313:40:213
106891360,1ptp4l401ktimersoftd/312:07:113
106891360,1ptp4l401ktimersoftd/311:13:033
106891360,1ptp4l401ktimersoftd/310:48:023
106891360,1ptp4l401ktimersoftd/310:48:023
106891360,0ptp4l401ktimersoftd/312:45:503
1750499351,5cyclictest10645-21diskmemload13:53:140
17504993424,4cyclictest9-21ksoftirqd/013:27:540
106891340,2ptp4l16746-21kworker/3:010:25:433
106891340,1ptp4l401ktimersoftd/312:09:013
106891330,0ptp4l401ktimersoftd/311:29:493
106891320,1ptp4l401ktimersoftd/311:34:283
106891320,11ptp4l401ktimersoftd/310:11:353
106891320,0ptp4l401ktimersoftd/310:13:013
106891320,0ptp4l401ktimersoftd/309:43:063
106891310,1ptp4l401ktimersoftd/310:37:053
106891310,1ptp4l401ktimersoftd/309:55:073
317722301,3sleep031846-21fschecks_time11:12:560
1751699300,2cyclictest121rcu_preempt13:36:432
106891300,0ptp4l401ktimersoftd/311:00:243
78722290,5sleep17876-21cpuspeed_turbos10:22:541
17516992922,4cyclictest33-21ksoftirqd/213:13:132
17516992922,4cyclictest33-21ksoftirqd/211:17:412
17508992923,3cyclictest25-21ksoftirqd/113:33:031
17508992922,3cyclictest25-21ksoftirqd/113:26:451
1750499295,14cyclictest121rcu_preempt13:59:510
173512296,10sleep20-21swapper/209:36:582
106891290,1ptp4l401ktimersoftd/310:04:233
181382280,24sleep118148-21ssh12:50:131
17516992823,3cyclictest33-21ksoftirqd/213:52:442
17516992821,4cyclictest33-21ksoftirqd/213:30:442
17508992823,3cyclictest25-21ksoftirqd/113:47:581
17508992823,3cyclictest25-21ksoftirqd/113:47:441
17508992823,3cyclictest25-21ksoftirqd/113:08:021
17508992821,4cyclictest25-21ksoftirqd/109:38:411
17508992810,4cyclictest41032find10:13:041
106891280,0ptp4l401ktimersoftd/311:07:583
106891280,0ptp4l401ktimersoftd/310:00:403
17516992721,3cyclictest33-21ksoftirqd/211:27:412
17516992720,4cyclictest33-21ksoftirqd/212:38:242
17516992720,4cyclictest33-21ksoftirqd/212:38:242
17516992717,7cyclictest26004-21/usr/sbin/munin11:52:542
1751699271,3cyclictest121rcu_preempt13:59:282
1750899272,2cyclictest121rcu_preempt14:38:071
17508992722,3cyclictest25-21ksoftirqd/110:58:011
17508992721,3cyclictest25-21ksoftirqd/111:47:421
17508992721,3cyclictest25-21ksoftirqd/110:12:401
17508992720,4cyclictest25-21ksoftirqd/115:03:011
17508992720,4cyclictest25-21ksoftirqd/112:27:561
17504992722,3cyclictest9-21ksoftirqd/012:02:420
17504992722,3cyclictest9-21ksoftirqd/010:27:390
17504992720,5cyclictest9-21ksoftirqd/014:08:130
17504992714,10cyclictest5879-21grep12:38:020
17504992714,10cyclictest5879-21grep12:38:020
106891270,1ptp4l401ktimersoftd/309:52:013
106891270,0ptp4l401ktimersoftd/311:07:093
17521992620,3cyclictest41-21ksoftirqd/310:28:053
17521992619,4cyclictest41-21ksoftirqd/310:54:033
17516992621,3cyclictest33-21ksoftirqd/212:47:572
17516992619,4cyclictest33-21ksoftirqd/211:29:352
17516992619,4cyclictest33-21ksoftirqd/210:18:252
17508992621,3cyclictest25-21ksoftirqd/114:33:041
17508992621,3cyclictest25-21ksoftirqd/112:43:021
17508992621,3cyclictest25-21ksoftirqd/110:47:541
17508992621,3cyclictest25-21ksoftirqd/110:47:541
17508992620,3cyclictest25-21ksoftirqd/114:08:041
17508992620,3cyclictest25-21ksoftirqd/112:22:431
17508992619,4cyclictest25-21ksoftirqd/114:53:141
17508992618,5cyclictest12961-21head10:32:571
17508992617,6cyclictest25-21ksoftirqd/114:58:041
106891260,1ptp4l401ktimersoftd/310:43:013
238552250,5sleep223854-21head09:47:542
17516992521,3cyclictest33-21ksoftirqd/214:42:362
17516992520,3cyclictest33-21ksoftirqd/213:43:112
17516992520,3cyclictest33-21ksoftirqd/213:03:022
17516992519,3cyclictest33-21ksoftirqd/214:47:162
17516992519,3cyclictest33-21ksoftirqd/211:12:402
17516992519,3cyclictest33-21ksoftirqd/209:42:392
17516992518,4cyclictest33-21ksoftirqd/214:55:322
17516992518,4cyclictest33-21ksoftirqd/212:53:382
17516992518,4cyclictest33-21ksoftirqd/211:03:252
17516992518,4cyclictest33-21ksoftirqd/210:44:222
17516992518,4cyclictest33-21ksoftirqd/210:36:402
17516992512,4cyclictest1954-21sh13:39:082
1750899254,18cyclictest233-21systemd-journal11:12:401
17508992520,3cyclictest25-21ksoftirqd/112:58:051
17508992520,3cyclictest25-21ksoftirqd/112:18:031
17508992520,3cyclictest25-21ksoftirqd/111:49:341
17508992520,3cyclictest25-21ksoftirqd/110:17:571
17508992519,3cyclictest25-21ksoftirqd/114:48:161
17508992519,3cyclictest25-21ksoftirqd/112:12:411
17508992519,3cyclictest25-21ksoftirqd/111:37:361
17508992518,4cyclictest25-21ksoftirqd/113:17:591
17508992518,4cyclictest25-21ksoftirqd/113:12:481
17508992517,5cyclictest25-21ksoftirqd/109:49:531
17504992520,3cyclictest9-21ksoftirqd/014:58:040
17504992519,3cyclictest9-21ksoftirqd/011:19:430
17504992519,3cyclictest9-21ksoftirqd/011:00:180
17504992518,4cyclictest9-21ksoftirqd/010:02:500
17504992518,4cyclictest9-21ksoftirqd/010:00:480
17504992518,4cyclictest9-21ksoftirqd/009:45:470
106891250,1ptp4l401ktimersoftd/310:21:483
106891250,0ptp4l401ktimersoftd/311:21:463
17516992419,3cyclictest33-21ksoftirqd/214:48:172
17516992419,3cyclictest33-21ksoftirqd/212:18:032
17516992419,3cyclictest33-21ksoftirqd/211:37:302
17516992418,3cyclictest33-21ksoftirqd/213:22:212
17516992418,3cyclictest33-21ksoftirqd/210:12:532
17516992418,3cyclictest33-21ksoftirqd/209:39:052
17516992417,5cyclictest33-21ksoftirqd/214:17:442
17516992417,4cyclictest33-21ksoftirqd/211:22:242
17516992417,4cyclictest28588-21sh14:07:442
17508992419,3cyclictest25-21ksoftirqd/114:13:051
17508992419,3cyclictest25-21ksoftirqd/113:58:071
17508992418,4cyclictest25-21ksoftirqd/112:33:061
17508992418,3cyclictest25-21ksoftirqd/113:38:031
17508992418,3cyclictest25-21ksoftirqd/112:53:011
17508992418,3cyclictest25-21ksoftirqd/112:40:521
17508992418,3cyclictest25-21ksoftirqd/112:40:521
17508992417,4cyclictest25-21ksoftirqd/110:46:381
1750899241,20cyclictest26738-21cron13:32:441
17504992419,3cyclictest9-21ksoftirqd/012:48:040
17504992419,3cyclictest9-21ksoftirqd/012:18:060
17504992419,3cyclictest9-21ksoftirqd/011:37:590
17504992419,3cyclictest6267-21kworker/0:113:13:130
17504992417,4cyclictest9-21ksoftirqd/013:23:130
17504992417,4cyclictest9-21ksoftirqd/010:54:480
17504992417,4cyclictest9-21ksoftirqd/010:11:320
17504992417,4cyclictest9-21ksoftirqd/009:50:410
17504992410,11cyclictest16956-21irqrtprio11:43:000
17516992319,3cyclictest33-21ksoftirqd/212:44:052
17516992317,3cyclictest33-21ksoftirqd/212:31:022
17516992317,3cyclictest33-21ksoftirqd/210:23:032
17516992316,4cyclictest33-21ksoftirqd/210:59:482
17516992316,4cyclictest33-21ksoftirqd/210:49:522
17516992316,4cyclictest33-21ksoftirqd/210:49:522
17516992316,4cyclictest33-21ksoftirqd/210:01:032
17508992318,3cyclictest25-21ksoftirqd/114:46:481
17508992318,3cyclictest25-21ksoftirqd/114:28:051
17508992318,3cyclictest25-21ksoftirqd/114:28:051
17508992317,3cyclictest25-21ksoftirqd/111:21:271
17508992316,4cyclictest25-21ksoftirqd/110:05:351
17508992315,5cyclictest20943-21grep09:42:511
17508992315,4cyclictest12222-21cron10:32:391
17504992318,3cyclictest9-21ksoftirqd/013:33:040
17504992318,3cyclictest5864-1kworker/u9:015:04:140
17504992317,3cyclictest9-21ksoftirqd/013:07:220
17504992317,3cyclictest9-21ksoftirqd/011:48:560
17504992317,3cyclictest9-21ksoftirqd/011:37:280
17504992316,4cyclictest9-21ksoftirqd/014:13:070
17504992316,4cyclictest9-21ksoftirqd/012:17:110
17504992316,4cyclictest9-21ksoftirqd/011:26:400
17504992316,4cyclictest28760-21grep12:28:010
17504992316,4cyclictest20322-21tr12:52:550
17504992316,4cyclictest19845-21munin-setwarn09:42:390
106891230,1ptp4l401ktimersoftd/311:23:083
106891230,1ptp4l401ktimersoftd/309:37:513
89322220,5sleep11750899cyclictest14:19:331
17516992218,3cyclictest33-21ksoftirqd/213:22:582
17516992216,3cyclictest33-21ksoftirqd/211:47:592
17516992215,4cyclictest33-21ksoftirqd/212:07:452
17516992214,4cyclictest14191-21ptp4l-jitter14:58:102
17508992217,3cyclictest25-21ksoftirqd/114:02:591
17508992217,3cyclictest25-21ksoftirqd/112:16:361
17508992217,3cyclictest25-21ksoftirqd/111:22:541
17508992216,3cyclictest25-21ksoftirqd/112:03:001
17508992215,4cyclictest737-21grep11:13:091
1750499229,6cyclictest0-21swapper/012:02:530
1750499221,7cyclictest16057-21bc14:27:570
1750499221,7cyclictest16057-21bc14:27:570
17504992217,3cyclictest9-21ksoftirqd/012:33:110
17504992216,4cyclictest9-21ksoftirqd/011:52:590
17504992216,3cyclictest3104-21grep13:07:590
17504992215,4cyclictest26882-21cpuspeed_turbos11:02:560
17516992116,3cyclictest33-21ksoftirqd/214:08:072
17516992116,3cyclictest33-21ksoftirqd/212:03:032
17516992116,3cyclictest33-21ksoftirqd/211:46:162
17516992116,3cyclictest33-21ksoftirqd/211:37:542
17516992115,3cyclictest33-21ksoftirqd/213:12:442
17516992115,3cyclictest33-21ksoftirqd/210:53:342
17516992115,3cyclictest33-21ksoftirqd/210:02:552
17516992114,4cyclictest27764-21sh12:59:412
17516992114,4cyclictest27109-21snmp_o5powerctl09:53:062
17516992114,4cyclictest13055-21sh12:12:462
17516992114,3cyclictest16210-21cpuspeed_turbos14:27:592
17516992114,3cyclictest16210-21cpuspeed_turbos14:27:592
17516992113,4cyclictest16957-21latency_hist10:42:402
17516992112,4cyclictest16137-21unixbench_multi13:53:132
17508992115,3cyclictest14822-21/usr/sbin/munin10:37:591
17508992114,5cyclictest25-21ksoftirqd/113:02:481
17508992114,4cyclictest14943-21sh14:26:321
17508992114,4cyclictest14943-21sh14:26:321
17508992114,3cyclictest25-21ksoftirqd/113:52:571
17508992112,4cyclictest14499-21apt-key11:40:361
1750499212,16cyclictest10038-21tail13:48:010
17504992116,3cyclictest9-21ksoftirqd/012:22:580
17504992115,3cyclictest9-21ksoftirqd/013:42:450
17504992115,3cyclictest9-21ksoftirqd/011:11:290
17504992115,3cyclictest9-21ksoftirqd/010:40:310
17504992115,3cyclictest9-21ksoftirqd/010:37:140
17504992114,4cyclictest9396-21wc12:08:020
17504992114,4cyclictest8970-21latency14:53:040
17504992114,4cyclictest6423-21expr11:27:560
17504992114,4cyclictest31216-21idleruntime14:43:030
17504992114,4cyclictest27185-21sed09:53:080
17504992114,4cyclictest18491-21ptp4l10:43:000
17504992114,4cyclictest10645-21diskmemload14:21:510
17504992113,5cyclictest10645-21diskmemload13:01:540
1751699203,10cyclictest427-21apt-get10:07:532
17516992014,3cyclictest33-21ksoftirqd/214:18:012
17516992014,3cyclictest31698-21irqrtprio11:58:022
17516992014,3cyclictest17545-21sh15:02:512
17516992014,3cyclictest10092-21/usr/sbin/munin10:28:032
17516992013,4cyclictest22296-21rt-features14:33:092
1750899204,10cyclictest28137-21apt-get09:57:531
17508992015,3cyclictest25-21ksoftirqd/111:53:111
17508992014,3cyclictest25-21ksoftirqd/111:32:271
1750899200,18cyclictest0-21swapper/110:52:551
17504992015,3cyclictest9-21ksoftirqd/013:18:020
17504992015,3cyclictest9-21ksoftirqd/012:43:000
17504992014,3cyclictest9-21ksoftirqd/013:43:010
17504992014,3cyclictest19585-21/usr/sbin/munin10:47:540
17504992014,3cyclictest19585-21/usr/sbin/munin10:47:540
17504992013,4cyclictest5802-21fw_packets10:17:550
17504992013,4cyclictest3066-21cat10:12:530
17504992013,4cyclictest10645-21diskmemload14:36:370
17508991911,5cyclictest27014-21ptp4l-jitter09:53:021
17508991812,3cyclictest26859-21grep11:02:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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