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2026-07-04 - 21:28
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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 Jul 04, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2833921640,4sleep21889299cyclictest12:57:502
2057921600,4sleep31889899cyclictest14:28:133
1068911230,8ptp4l16020-21kworker/3:209:02:393
106891720,1ptp4l401ktimersoftd/312:40:523
256312700,2sleep3391rcuc/313:27:583
37842690,5sleep11888799cyclictest11:27:321
106891690,1ptp4l401ktimersoftd/313:34:303
106891680,1ptp4l401ktimersoftd/310:32:463
305362660,2sleep30-21swapper/312:58:273
214302620,4sleep31889899cyclictest11:12:323
207572610,2sleep20-21swapper/212:17:032
205452600,2sleep00-21swapper/013:54:370
187442604,44sleep00-21swapper/009:02:220
106891590,1ptp4l401ktimersoftd/313:42:183
106891570,1ptp4l401ktimersoftd/312:03:253
244032560,4sleep01888199cyclictest12:19:540
106891560,1ptp4l401ktimersoftd/313:30:473
106891560,1ptp4l401ktimersoftd/313:30:473
23352540,2sleep30-21swapper/311:25:053
18892995143,4cyclictest33-21ksoftirqd/213:18:102
18892995043,4cyclictest33-21ksoftirqd/212:58:102
106891490,1ptp4l401ktimersoftd/312:35:073
18892994841,4cyclictest33-21ksoftirqd/214:03:112
18892994841,4cyclictest33-21ksoftirqd/209:03:052
106891470,1ptp4l401ktimersoftd/313:07:323
18892994638,4cyclictest33-21ksoftirqd/211:43:062
18892994638,4cyclictest33-21ksoftirqd/211:43:062
18892994538,4cyclictest33-21ksoftirqd/213:33:112
18892994538,4cyclictest33-21ksoftirqd/211:28:072
106891450,1ptp4l401ktimersoftd/312:53:553
18892994438,3cyclictest33-21ksoftirqd/214:18:122
106891430,1ptp4l401ktimersoftd/311:14:133
18892994134,3cyclictest33-21ksoftirqd/211:23:072
106891410,1ptp4l401ktimersoftd/312:26:153
106891400,1ptp4l401ktimersoftd/309:38:163
180082394,20sleep216659-21/usr/sbin/munin08:58:172
106891390,1ptp4l401ktimersoftd/313:54:183
106891390,1ptp4l401ktimersoftd/311:58:543
1889299387,3cyclictest33-21ksoftirqd/213:58:172
106891380,1ptp4l401ktimersoftd/314:21:503
106891380,1ptp4l401ktimersoftd/314:15:513
106891380,1ptp4l401ktimersoftd/314:09:233
106891380,1ptp4l401ktimersoftd/312:52:013
106891380,1ptp4l401ktimersoftd/312:15:523
106891380,1ptp4l401ktimersoftd/311:50:213
106891380,1ptp4l401ktimersoftd/311:44:173
106891380,1ptp4l401ktimersoftd/311:44:173
106891380,1ptp4l401ktimersoftd/311:05:043
106891370,1ptp4l401ktimersoftd/314:26:083
106891370,1ptp4l401ktimersoftd/314:05:313
106891370,1ptp4l401ktimersoftd/313:47:433
106891370,1ptp4l401ktimersoftd/313:18:043
106891370,1ptp4l401ktimersoftd/312:12:203
106891370,1ptp4l401ktimersoftd/311:57:133
106891370,1ptp4l401ktimersoftd/309:07:553
305282360,6sleep1241ktimersoftd/110:33:081
18892993629,3cyclictest33-21ksoftirqd/209:18:052
106891360,1ptp4l401ktimersoftd/313:13:073
106891360,1ptp4l401ktimersoftd/312:18:433
106891360,1ptp4l401ktimersoftd/311:35:553
106891360,1ptp4l401ktimersoftd/311:35:553
106891360,1ptp4l401ktimersoftd/311:29:073
106891360,0ptp4l401ktimersoftd/311:40:043
106891360,0ptp4l401ktimersoftd/311:40:043
106891360,0ptp4l401ktimersoftd/309:16:433
18892993522,10cyclictest33-21ksoftirqd/212:28:272
18892993514,11cyclictest33-21ksoftirqd/213:23:212
106891350,1ptp4l401ktimersoftd/314:01:303
106891350,1ptp4l401ktimersoftd/312:30:543
106891350,1ptp4l401ktimersoftd/310:58:153
106891350,0ptp4l401ktimersoftd/313:10:233
106891350,0ptp4l401ktimersoftd/310:33:153
18898993429,3cyclictest41-21ksoftirqd/309:52:533
18892993428,3cyclictest33-21ksoftirqd/214:13:142
18892993428,3cyclictest33-21ksoftirqd/212:37:582
18892993427,4cyclictest33-21ksoftirqd/209:47:532
18892993427,4cyclictest33-21ksoftirqd/209:47:532
18892993427,3cyclictest33-21ksoftirqd/212:08:132
18892993421,3cyclictest33-21ksoftirqd/212:43:192
106891340,1ptp4l401ktimersoftd/313:51:033
106891330,1ptp4l401ktimersoftd/310:13:143
106891330,1ptp4l401ktimersoftd/309:24:403
52482320,2sleep00-21swapper/012:01:070
1889299323,3cyclictest121rcu_preempt12:02:312
18892993227,3cyclictest33-21ksoftirqd/213:47:592
18892993226,3cyclictest33-21ksoftirqd/214:08:112
18892993226,3cyclictest33-21ksoftirqd/213:32:592
18892993226,3cyclictest33-21ksoftirqd/213:07:572
18892993225,3cyclictest33-21ksoftirqd/211:18:092
18892993225,3cyclictest33-21ksoftirqd/210:32:542
1889299321,3cyclictest121rcu_preempt12:20:432
1889299320,3cyclictest121rcu_preempt11:37:552
1889299320,3cyclictest121rcu_preempt11:37:552
1888799321,3cyclictest121rcu_preempt11:32:321
106891320,1ptp4l401ktimersoftd/310:43:103
106891320,1ptp4l401ktimersoftd/309:33:513
24502310,4sleep01888199cyclictest13:03:180
18892993126,3cyclictest33-21ksoftirqd/211:08:122
18892993125,3cyclictest33-21ksoftirqd/213:13:132
18892993125,3cyclictest33-21ksoftirqd/213:08:222
18892993125,3cyclictest33-21ksoftirqd/212:27:572
18892993125,3cyclictest33-21ksoftirqd/211:48:172
18892993123,4cyclictest33-21ksoftirqd/210:18:052
18892993119,9cyclictest33-21ksoftirqd/210:48:172
1888799313,13cyclictest6254-21ssh13:08:101
18887993124,5cyclictest25-21ksoftirqd/112:18:181
179132312,16sleep118007-21sendmail_mailst08:58:161
106891310,1ptp4l401ktimersoftd/310:21:003
106891310,10ptp4l401ktimersoftd/310:02:253
106891310,0ptp4l401ktimersoftd/310:40:083
1889299305,4cyclictest33-21ksoftirqd/211:03:232
18892993025,3cyclictest33-21ksoftirqd/213:53:122
18892993025,3cyclictest33-21ksoftirqd/213:42:592
18892993024,3cyclictest33-21ksoftirqd/212:03:122
18892993024,3cyclictest33-21ksoftirqd/211:53:172
18892993024,3cyclictest33-21ksoftirqd/211:13:082
18892993024,3cyclictest33-21ksoftirqd/210:12:532
18892993024,3cyclictest33-21ksoftirqd/209:48:132
18892993024,3cyclictest33-21ksoftirqd/209:32:532
18892993018,9cyclictest33-21ksoftirqd/213:28:282
18892993016,3cyclictest33-21ksoftirqd/214:28:132
1888799303,16cyclictest11660-21sh12:08:091
18887993023,5cyclictest25-21ksoftirqd/111:48:131
106891300,0ptp4l401ktimersoftd/310:52:043
286602290,2sleep00-21swapper/011:52:360
18898992924,3cyclictest41-21ksoftirqd/309:47:533
18898992924,3cyclictest41-21ksoftirqd/309:47:533
18898992924,3cyclictest41-21ksoftirqd/309:18:113
1889299295,7cyclictest33-21ksoftirqd/210:38:082
1889299293,4cyclictest33-21ksoftirqd/209:13:052
18892992924,3cyclictest33-21ksoftirqd/210:33:132
18892992923,3cyclictest33-21ksoftirqd/213:48:122
18892992923,3cyclictest33-21ksoftirqd/212:38:122
18892992923,3cyclictest33-21ksoftirqd/210:58:082
18892992923,3cyclictest33-21ksoftirqd/210:27:542
18892992923,3cyclictest33-21ksoftirqd/210:17:542
18892992923,3cyclictest33-21ksoftirqd/209:08:232
18892992922,3cyclictest33-21ksoftirqd/209:33:112
1889299291,7cyclictest121rcu_preempt12:52:422
18892992914,3cyclictest33-21ksoftirqd/214:23:162
18887992923,3cyclictest25-21ksoftirqd/112:03:071
18887992923,3cyclictest25-21ksoftirqd/111:42:551
18887992923,3cyclictest25-21ksoftirqd/111:42:551
18881992921,5cyclictest9-21ksoftirqd/010:58:080
18898992822,3cyclictest41-21ksoftirqd/311:18:143
18898992821,4cyclictest41-21ksoftirqd/309:03:043
18892992823,3cyclictest33-21ksoftirqd/209:23:082
18887992823,3cyclictest47050irq/101-ens3-Tx12:33:181
18887992822,3cyclictest25-21ksoftirqd/113:53:151
18887992817,6cyclictest25-21ksoftirqd/113:13:111
106891280,1ptp4l401ktimersoftd/310:54:143
106891280,0ptp4l401ktimersoftd/309:29:413
18892992722,3cyclictest33-21ksoftirqd/211:38:252
18892992722,3cyclictest33-21ksoftirqd/211:38:252
18892992722,3cyclictest33-21ksoftirqd/209:38:092
18887992722,3cyclictest6789-21kworker/1:011:08:051
18887992722,3cyclictest25-21ksoftirqd/114:02:591
1888799272,15cyclictest16793-21sh12:13:081
18887992721,4cyclictest25246-21cron10:22:541
18887992721,4cyclictest25-21ksoftirqd/113:28:271
18887992721,4cyclictest25-21ksoftirqd/113:28:271
18887992721,3cyclictest25-21ksoftirqd/112:38:171
18887992719,5cyclictest25-21ksoftirqd/112:48:201
18887992714,6cyclictest25-21ksoftirqd/113:23:101
18881992720,4cyclictest17581-21sh13:52:590
18898992620,3cyclictest41-21ksoftirqd/310:23:123
18892992620,3cyclictest33-21ksoftirqd/210:03:052
1888799263,13cyclictest15559-21ssh14:23:111
18887992620,4cyclictest25-21ksoftirqd/112:58:581
18887992620,3cyclictest25-21ksoftirqd/114:33:001
1888799261,2cyclictest121rcu_preempt13:07:031
18881992621,3cyclictest9-21ksoftirqd/014:04:370
71752250,3sleep07149-21ssh12:03:120
18898992519,3cyclictest41-21ksoftirqd/310:10:103
18898992519,3cyclictest41-21ksoftirqd/310:03:043
1889299256,4cyclictest121rcu_preempt10:43:132
18887992520,3cyclictest25-21ksoftirqd/114:03:181
18887992519,3cyclictest25-21ksoftirqd/109:28:031
18887992519,3cyclictest10971-21tail10:58:171
18887992518,4cyclictest25-21ksoftirqd/109:18:411
18887992518,4cyclictest25-21ksoftirqd/109:14:191
1888199255,18cyclictest6194-21tail11:28:240
18881992520,3cyclictest9-21ksoftirqd/012:28:120
106891250,1ptp4l401ktimersoftd/309:53:313
106891250,1ptp4l401ktimersoftd/309:53:313
305322240,2sleep10-21swapper/112:26:591
18898992418,3cyclictest41-21ksoftirqd/312:43:153
18887992419,3cyclictest25-21ksoftirqd/112:28:111
18887992419,3cyclictest25-21ksoftirqd/109:45:181
18887992419,3cyclictest25-21ksoftirqd/109:45:181
18887992418,3cyclictest25-21ksoftirqd/113:42:591
18887992417,4cyclictest25-21ksoftirqd/111:05:191
18887992413,6cyclictest0-21swapper/114:13:111
18881992419,3cyclictest9-21ksoftirqd/014:22:070
18881992418,3cyclictest9-21ksoftirqd/010:33:050
18881992418,3cyclictest9-21ksoftirqd/010:19:060
18881992417,4cyclictest9-21ksoftirqd/010:39:410
18881992417,4cyclictest9-21ksoftirqd/009:15:100
18892992312,9cyclictest33-21ksoftirqd/210:53:182
18887992317,3cyclictest25-21ksoftirqd/109:59:301
18887992317,3cyclictest25-21ksoftirqd/109:23:111
18887992316,4cyclictest25-21ksoftirqd/113:38:201
18887992316,4cyclictest25-21ksoftirqd/109:09:251
18881992318,3cyclictest9-21ksoftirqd/014:10:550
18881992317,3cyclictest9-21ksoftirqd/010:47:570
18881992317,3cyclictest9-21ksoftirqd/010:16:410
18881992317,3cyclictest9-21ksoftirqd/009:46:140
18881992317,3cyclictest9-21ksoftirqd/009:46:140
18881992316,4cyclictest2075-21gltestperf09:33:090
18887992217,3cyclictest25-21ksoftirqd/113:18:211
18887992217,3cyclictest25-21ksoftirqd/112:53:131
18887992217,3cyclictest25-21ksoftirqd/112:43:031
18887992217,3cyclictest25-21ksoftirqd/110:13:111
18887992217,3cyclictest25-21ksoftirqd/109:39:401
18887992217,3cyclictest25-21ksoftirqd/109:03:061
18887992216,4cyclictest25-21ksoftirqd/109:53:131
18887992216,4cyclictest25-21ksoftirqd/109:53:131
18887992216,3cyclictest25-21ksoftirqd/110:57:431
18887992216,3cyclictest25-21ksoftirqd/110:12:111
18887992216,3cyclictest25-21ksoftirqd/109:37:431
18887992215,4cyclictest25-21ksoftirqd/110:37:571
1888799221,4cyclictest17244-21ssh13:52:251
1888199223,11cyclictest46950irq/100-ens3-Tx12:33:100
18881992216,4cyclictest9-21ksoftirqd/009:56:370
18881992216,4cyclictest9-21ksoftirqd/009:56:370
18881992216,3cyclictest9-21ksoftirqd/010:11:220
18881992215,4cyclictest30642-21snmp_o5powerctl09:23:170
18881992215,4cyclictest27616-21latency12:23:170
1888199221,18cyclictest1290-21ssh13:35:190
18881992210,9cyclictest23256-21cpuspeed_turbos13:58:120
18892992115,3cyclictest33-21ksoftirqd/209:58:062
18887992115,4cyclictest25-21ksoftirqd/110:48:451
18887992115,3cyclictest25-21ksoftirqd/111:43:141
18887992115,3cyclictest25-21ksoftirqd/111:43:141
18887992115,3cyclictest15985-21/usr/sbin/munin10:03:091
18887992114,4cyclictest27845-21/usr/sbin/munin10:28:091
1888199215,13cyclictest10567-21phc2sys-jitter11:33:160
1888199215,13cyclictest10567-21phc2sys-jitter11:33:160
18881992116,3cyclictest9-21ksoftirqd/014:31:070
18881992116,3cyclictest9-21ksoftirqd/014:23:160
18881992116,3cyclictest9-21ksoftirqd/013:13:340
18881992116,3cyclictest9-21ksoftirqd/011:07:270
18881992116,3cyclictest17443-21cut11:08:090
18881992115,3cyclictest9-21ksoftirqd/010:53:060
18881992115,3cyclictest9-21ksoftirqd/009:17:550
18881992115,3cyclictest10199-21sh13:43:470
18881992114,4cyclictest1055-21runrttasks13:19:020
1888199211,3cyclictest5338-21snmp_o5powerctl09:38:170
1888199211,3cyclictest11815-21diskmemload11:44:560
1888199211,3cyclictest11815-21diskmemload11:44:560
1888199211,18cyclictest0-21swapper/012:13:250
1888199211,17cyclictest17811-21runrttasks10:03:580
18892992015,3cyclictest33-21ksoftirqd/209:53:042
18892992015,3cyclictest33-21ksoftirqd/209:53:042
18887992015,3cyclictest25-21ksoftirqd/114:10:291
18887992015,3cyclictest25-21ksoftirqd/111:53:181
18887992015,3cyclictest25-21ksoftirqd/111:33:141
18887992015,3cyclictest25-21ksoftirqd/111:33:141
18887992015,3cyclictest25-21ksoftirqd/111:18:251
18887992014,4cyclictest25-21ksoftirqd/109:50:281
18887992013,4cyclictest3599-21load10:43:141
18887992013,4cyclictest14924-21sh14:22:361
18881992016,2cyclictest0-21swapper/013:39:070
18881992015,3cyclictest9-21ksoftirqd/010:28:490
18881992015,3cyclictest9-21ksoftirqd/009:08:320
1888199201,4cyclictest18912-21/usr/sbin/munin12:48:170
18881992014,3cyclictest16446-21sh11:38:350
18881992014,3cyclictest16446-21sh11:38:350
18881992013,4cyclictest31884-21expr09:28:060
18881992013,4cyclictest11815-21diskmemload12:38:530
18881992013,4cyclictest11815-21diskmemload11:23:150
1888199201,2cyclictest0-21swapper/014:13:540
1888199201,17cyclictest22102-21ssh11:13:080
1888199201,17cyclictest0-21swapper/013:23:390
1888199201,17cyclictest0-21swapper/013:08:300
1888199201,17cyclictest0-21swapper/010:24:310
1888199201,17cyclictest0-21swapper/010:00:040
1888199201,16cyclictest587-21kworker/0:013:28:120
1888199201,16cyclictest587-21kworker/0:013:28:120
1888199201,16cyclictest0-21swapper/012:55:380
1888199200,3cyclictest15267-21ssh12:43:180
1888199200,17cyclictest20125-21memory09:03:130
1888199200,17cyclictest13090-21snmp_o5powerctl12:08:210
1888799193,10cyclictest22087-21apt-get11:13:081
18887991912,4cyclictest25723-21cstates10:23:071
18887991912,4cyclictest2381-21sh11:58:141
18881991915,2cyclictest0-21swapper/011:52:570
18881991914,3cyclictest8865-21/usr/sbin/munin09:48:110
1888199191,3cyclictest0-21swapper/011:19:200
18881991913,3cyclictest3714-21open_files10:43:150
18881991912,4cyclictest28754-21/usr/sbin/munin12:58:110
18887991812,3cyclictest30891-21wc13:33:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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