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2026-08-19 - 21:10
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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 Wed Aug 19, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911790,5ptp4l401ktimersoftd/309:27:483
1721121370,5sleep1424799cyclictest09:53:301
106891800,13ptp4l401ktimersoftd/314:54:083
106891730,1ptp4l401ktimersoftd/314:25:283
106891680,1ptp4l401ktimersoftd/312:32:263
51732660,1sleep00-21swapper/012:40:470
38602634,10sleep00-21swapper/009:24:410
106891630,1ptp4l401ktimersoftd/313:52:023
106891570,1ptp4l401ktimersoftd/311:51:273
106891560,1ptp4l401ktimersoftd/313:30:523
106891550,1ptp4l401ktimersoftd/314:11:073
45682530,2sleep00-21swapper/012:08:180
209602530,2sleep00-21swapper/013:29:250
106891530,1ptp4l401ktimersoftd/314:32:463
4247995244,4cyclictest25-21ksoftirqd/111:43:301
106891460,1ptp4l401ktimersoftd/313:18:113
106891460,0ptp4l401ktimersoftd/313:00:373
4247994334,3cyclictest25-21ksoftirqd/113:28:331
4247994130,4cyclictest25-21ksoftirqd/110:08:271
106891410,1ptp4l401ktimersoftd/312:14:423
106891400,0ptp4l401ktimersoftd/311:48:183
4247993929,4cyclictest25-21ksoftirqd/111:48:321
4247993928,5cyclictest25-21ksoftirqd/113:03:341
106891390,1ptp4l401ktimersoftd/312:04:313
106891380,1ptp4l401ktimersoftd/312:10:393
106891380,1ptp4l401ktimersoftd/312:10:393
106891380,1ptp4l401ktimersoftd/311:28:273
106891380,0ptp4l401ktimersoftd/314:52:273
106891370,1ptp4l401ktimersoftd/314:35:513
106891370,1ptp4l401ktimersoftd/314:15:483
106891370,1ptp4l401ktimersoftd/313:34:043
106891370,1ptp4l401ktimersoftd/313:24:113
106891370,1ptp4l401ktimersoftd/313:18:553
106891370,1ptp4l401ktimersoftd/313:07:363
106891370,1ptp4l401ktimersoftd/312:22:193
106891370,1ptp4l401ktimersoftd/311:37:543
106891370,1ptp4l401ktimersoftd/310:18:393
106891370,1ptp4l401ktimersoftd/309:34:303
106891370,0ptp4l401ktimersoftd/314:22:293
106891370,0ptp4l401ktimersoftd/312:25:093
106891370,0ptp4l401ktimersoftd/312:01:493
4247993624,6cyclictest25-21ksoftirqd/110:53:281
106891360,1ptp4l401ktimersoftd/314:44:533
106891360,1ptp4l401ktimersoftd/314:00:373
106891360,1ptp4l401ktimersoftd/314:00:373
106891360,1ptp4l401ktimersoftd/312:56:453
106891360,0ptp4l401ktimersoftd/313:10:193
106891360,0ptp4l401ktimersoftd/312:50:273
106891360,0ptp4l401ktimersoftd/312:35:513
4247993527,4cyclictest25-21ksoftirqd/113:53:331
4247993527,4cyclictest25-21ksoftirqd/113:53:331
4247993524,5cyclictest25-21ksoftirqd/109:48:271
4247993522,3cyclictest25-21ksoftirqd/111:13:341
106891350,2ptp4l12740-21kworker/3:114:42:193
106891350,13ptp4l401ktimersoftd/314:04:273
106891350,12ptp4l401ktimersoftd/311:08:373
106891350,0ptp4l401ktimersoftd/312:41:083
106891350,0ptp4l401ktimersoftd/310:09:113
106891350,0ptp4l401ktimersoftd/309:43:013
4247993429,3cyclictest25-21ksoftirqd/112:18:191
4247993421,10cyclictest25-21ksoftirqd/110:58:461
106891340,2ptp4l12740-21kworker/3:113:43:363
106891340,1ptp4l401ktimersoftd/313:53:493
106891340,1ptp4l401ktimersoftd/313:53:493
4247993328,3cyclictest25-21ksoftirqd/112:23:191
4247993327,3cyclictest25-21ksoftirqd/112:03:501
106891330,2ptp4l27613-21kworker/3:211:54:483
106891330,0ptp4l401ktimersoftd/313:38:223
4247993227,3cyclictest25-21ksoftirqd/111:58:181
4247993219,10cyclictest25-21ksoftirqd/113:08:391
106891320,1ptp4l401ktimersoftd/312:43:233
4247993121,5cyclictest25-21ksoftirqd/113:43:341
4247993120,5cyclictest25-21ksoftirqd/110:48:281
32502312,17sleep23346-21sendmail_mailqu09:23:392
106891310,9ptp4l401ktimersoftd/311:42:193
106891310,1ptp4l401ktimersoftd/311:16:283
106891310,10ptp4l401ktimersoftd/311:04:333
106891310,0ptp4l401ktimersoftd/310:45:063
4247993025,3cyclictest25-21ksoftirqd/112:58:201
4247993025,3cyclictest25-21ksoftirqd/110:18:461
4247993025,3cyclictest25-21ksoftirqd/109:43:161
4247993024,3cyclictest25-21ksoftirqd/113:48:341
4247993024,3cyclictest25-21ksoftirqd/113:38:381
4247993024,3cyclictest25-21ksoftirqd/112:38:201
4247993024,3cyclictest25-21ksoftirqd/112:08:351
4247993024,3cyclictest25-21ksoftirqd/112:08:351
4247993021,7cyclictest25-21ksoftirqd/114:33:531
4247993014,5cyclictest25-21ksoftirqd/113:58:511
4247993014,5cyclictest25-21ksoftirqd/113:58:511
106891300,0ptp4l401ktimersoftd/310:53:593
4256992923,3cyclictest33-21ksoftirqd/214:18:222
425699290,26cyclictest25904-21fschecks_time11:18:332
4247992924,3cyclictest25-21ksoftirqd/114:23:221
4247992924,3cyclictest25-21ksoftirqd/114:08:361
4247992924,3cyclictest25-21ksoftirqd/114:03:311
4247992924,3cyclictest25-21ksoftirqd/112:53:201
4247992924,3cyclictest25-21ksoftirqd/112:38:371
4247992924,3cyclictest25-21ksoftirqd/112:23:361
4247992924,3cyclictest25-21ksoftirqd/110:13:341
4247992924,3cyclictest25-21ksoftirqd/109:48:161
4247992923,4cyclictest25-21ksoftirqd/113:18:441
4247992918,9cyclictest25-21ksoftirqd/111:28:351
35892295,10sleep10-21swapper/109:23:461
106891290,1ptp4l401ktimersoftd/310:15:123
106891290,0ptp4l401ktimersoftd/309:51:083
106891290,0ptp4l401ktimersoftd/309:44:183
4256992822,3cyclictest33-21ksoftirqd/211:43:392
424799282,4cyclictest121rcu_preempt10:43:361
4247992823,3cyclictest25-21ksoftirqd/114:58:231
4247992823,3cyclictest25-21ksoftirqd/112:43:471
4247992823,3cyclictest25-21ksoftirqd/112:33:191
4247992823,3cyclictest25-21ksoftirqd/111:58:341
4247992823,3cyclictest25-21ksoftirqd/111:38:181
4247992823,3cyclictest25-21ksoftirqd/111:23:181
4247992823,3cyclictest25-21ksoftirqd/110:33:311
4247992823,3cyclictest25-21ksoftirqd/110:33:311
4247992823,3cyclictest25-21ksoftirqd/110:08:151
4247992822,3cyclictest25-21ksoftirqd/114:53:231
4247992822,3cyclictest25-21ksoftirqd/114:13:231
4247992822,3cyclictest25-21ksoftirqd/113:13:381
4243992823,3cyclictest9-21ksoftirqd/013:23:210
4243992823,3cyclictest9-21ksoftirqd/012:23:230
4243992822,3cyclictest9-21ksoftirqd/012:48:380
4243992822,3cyclictest9-21ksoftirqd/011:18:180
106891280,1ptp4l401ktimersoftd/309:29:533
106891280,0ptp4l401ktimersoftd/311:27:173
4256992721,3cyclictest33-21ksoftirqd/209:33:192
4247992722,3cyclictest25-21ksoftirqd/114:48:231
4247992722,3cyclictest25-21ksoftirqd/111:43:191
4247992722,3cyclictest25-21ksoftirqd/110:33:161
4247992722,3cyclictest25-21ksoftirqd/110:33:161
4247992722,3cyclictest231rcuc/109:28:341
4247992721,3cyclictest25-21ksoftirqd/114:38:521
4247992721,3cyclictest25-21ksoftirqd/114:28:521
4247992721,3cyclictest25-21ksoftirqd/112:58:401
4243992721,3cyclictest9-21ksoftirqd/010:53:170
4243992720,4cyclictest25173-21grep12:28:350
106891270,1ptp4l401ktimersoftd/310:35:583
106891270,1ptp4l401ktimersoftd/310:35:583
106891270,1ptp4l401ktimersoftd/310:08:153
4256992622,3cyclictest33-21ksoftirqd/212:24:542
4256992620,3cyclictest33-21ksoftirqd/213:08:052
4256992619,4cyclictest33-21ksoftirqd/209:42:112
4247992622,3cyclictest25-21ksoftirqd/109:58:311
4247992621,3cyclictest25-21ksoftirqd/113:33:371
4247992621,3cyclictest25-21ksoftirqd/109:33:201
4247992620,3cyclictest25-21ksoftirqd/114:23:331
4247992620,3cyclictest25-21ksoftirqd/113:23:391
4247992620,3cyclictest25-21ksoftirqd/110:23:301
4247992619,4cyclictest25-21ksoftirqd/111:03:311
4243992621,3cyclictest9-21ksoftirqd/012:18:320
273252260,2sleep00-21swapper/013:03:400
106891260,0ptp4l401ktimersoftd/310:25:323
425699253,3cyclictest121rcu_preempt14:56:212
4256992521,3cyclictest33-21ksoftirqd/212:48:022
4256992521,3cyclictest33-21ksoftirqd/211:31:282
4256992520,3cyclictest33-21ksoftirqd/212:52:362
4256992519,3cyclictest33-21ksoftirqd/211:35:502
4256992519,3cyclictest33-21ksoftirqd/210:06:442
4256992519,3cyclictest33-21ksoftirqd/209:50:462
4256992518,4cyclictest33-21ksoftirqd/210:00:212
4256992518,4cyclictest33-21ksoftirqd/209:47:052
4247992520,3cyclictest25-21ksoftirqd/110:38:461
4247992519,3cyclictest25-21ksoftirqd/111:28:181
4243992520,3cyclictest9-21ksoftirqd/013:43:490
4243992520,3cyclictest9-21ksoftirqd/009:33:150
4243992519,3cyclictest9-21ksoftirqd/010:14:250
4243992518,4cyclictest9-21ksoftirqd/010:59:410
200502250,1sleep20-21swapper/212:56:062
4263992418,3cyclictest41-21ksoftirqd/310:31:183
4263992418,3cyclictest41-21ksoftirqd/310:31:183
4263992418,3cyclictest17425-21tail09:53:333
4256992420,3cyclictest33-21ksoftirqd/213:16:512
4256992419,3cyclictest33-21ksoftirqd/213:38:232
4256992419,3cyclictest33-21ksoftirqd/212:33:462
4256992418,3cyclictest33-21ksoftirqd/213:46:072
4256992418,3cyclictest33-21ksoftirqd/211:13:502
4256992417,4cyclictest33-21ksoftirqd/210:09:572
4247992418,3cyclictest25-21ksoftirqd/111:08:291
4243992418,3cyclictest9-21ksoftirqd/012:11:240
4243992418,3cyclictest9-21ksoftirqd/012:11:240
4243992418,3cyclictest9-21ksoftirqd/011:24:290
4243992418,3cyclictest9-21ksoftirqd/010:33:480
4243992418,3cyclictest9-21ksoftirqd/010:33:480
4243992417,5cyclictest9-21ksoftirqd/013:42:430
4243992417,4cyclictest9-21ksoftirqd/014:29:070
4243992417,4cyclictest9-21ksoftirqd/011:18:480
4243992417,4cyclictest4990-21grep14:18:540
4243992416,5cyclictest6672-21irqrtprio13:48:390
106891240,1ptp4l401ktimersoftd/311:18:293
4263992318,3cyclictest41-21ksoftirqd/309:58:313
4256992318,3cyclictest33-21ksoftirqd/212:15:392
4256992318,3cyclictest33-21ksoftirqd/212:03:472
4256992317,4cyclictest33-21ksoftirqd/213:55:322
4256992317,4cyclictest33-21ksoftirqd/213:55:322
4256992317,4cyclictest33-21ksoftirqd/211:04:012
4256992317,4cyclictest33-21ksoftirqd/209:30:392
4256992317,3cyclictest33-21ksoftirqd/209:53:362
4256992316,4cyclictest33-21ksoftirqd/210:44:462
4256992314,5cyclictest47150irq/102-ens3-Tx12:28:462
4256992314,5cyclictest24116-21gltestperf13:33:382
4243992318,3cyclictest9-21ksoftirqd/014:33:390
4243992318,3cyclictest9-21ksoftirqd/014:13:220
4243992318,3cyclictest9-21ksoftirqd/012:03:180
4243992318,3cyclictest9-21ksoftirqd/011:53:350
4243992318,3cyclictest27542-1kworker/u9:114:13:400
4243992317,3cyclictest9-21ksoftirqd/011:11:290
4243992317,3cyclictest9-21ksoftirqd/010:30:550
4243992317,3cyclictest9-21ksoftirqd/010:30:550
4243992317,3cyclictest9-21ksoftirqd/010:02:520
4243992317,3cyclictest30126-21tr12:33:380
106891230,1ptp4l401ktimersoftd/310:58:313
106891230,1ptp4l401ktimersoftd/310:48:303
106891230,1ptp4l401ktimersoftd/310:38:313
4256992218,3cyclictest33-21ksoftirqd/214:20:042
4256992218,3cyclictest33-21ksoftirqd/210:35:112
4256992218,3cyclictest33-21ksoftirqd/210:35:112
4256992217,3cyclictest33-21ksoftirqd/214:03:222
4256992217,3cyclictest33-21ksoftirqd/213:13:202
4256992217,3cyclictest33-21ksoftirqd/210:18:312
4256992216,3cyclictest33-21ksoftirqd/211:49:252
4256992215,4cyclictest19276-21grep13:28:372
425699220,3cyclictest121rcu_preempt14:10:512
424399223,16cyclictest5336-21proc_pri13:13:440
4243992217,3cyclictest9-21ksoftirqd/011:43:350
4243992217,3cyclictest9-21ksoftirqd/010:57:010
4243992216,3cyclictest9-21ksoftirqd/014:02:050
4243992216,3cyclictest9-21ksoftirqd/014:02:050
4243992216,3cyclictest9-21ksoftirqd/011:07:150
4243992216,3cyclictest31589-21grep10:23:320
4243992216,3cyclictest24060-21/usr/sbin/munin10:08:370
4256992116,3cyclictest33-21ksoftirqd/213:18:412
4256992114,4cyclictest6744-21munin-node11:53:302
4256992114,4cyclictest33-21ksoftirqd/210:25:272
4256992114,4cyclictest32521-21/usr/sbin/munin14:48:342
4256992114,4cyclictest32280-21cat14:48:232
4256992114,4cyclictest2224-21cat10:28:362
4256992114,4cyclictest2224-21cat10:28:362
424399213,11cyclictest61922sleep010:38:290
424399212,16cyclictest11343-21tr13:53:390
424399212,16cyclictest11343-21tr13:53:390
4243992116,3cyclictest9-21ksoftirqd/014:03:520
4243992116,3cyclictest9-21ksoftirqd/009:48:160
4243992115,4cyclictest987-21sshd09:36:590
4243992115,3cyclictest7196-21cpuspeed_turbos12:43:320
4243992115,3cyclictest30009-21diskmemload11:36:020
4243992115,3cyclictest17132-21sh12:53:340
221522210,4sleep0101ktimersoftd/011:53:130
425699203,6cyclictest16303-21gltestperf10:58:332
4256992016,3cyclictest33-21ksoftirqd/211:24:522
4256992015,3cyclictest33-21ksoftirqd/212:20:192
4256992015,3cyclictest33-21ksoftirqd/211:09:232
4256992014,3cyclictest33-21ksoftirqd/210:48:292
4256992014,3cyclictest33-21ksoftirqd/210:38:262
4256992014,3cyclictest16826-21sh13:25:422
4256992013,4cyclictest27306-21cron14:43:222
4256992013,4cyclictest2262-21cat12:38:332
4256992013,4cyclictest19225-21expr14:33:462
4256992013,4cyclictest19121-21sh14:01:262
4256992013,4cyclictest13464-21grep14:28:392
4256992013,4cyclictest11229-21sh14:26:082
4243992015,3cyclictest9-21ksoftirqd/010:45:360
4243992015,3cyclictest14534-21if_err_enp1s013:23:380
4243992014,3cyclictest9-21ksoftirqd/010:18:340
4243992014,3cyclictest30009-21diskmemload11:40:240
4243992014,3cyclictest27015-21seq13:36:230
4243992013,5cyclictest9-21ksoftirqd/014:53:360
4243992013,4cyclictest32731-21cut14:48:360
4243992013,4cyclictest30009-21diskmemload13:02:210
4243992013,4cyclictest28666-21cut14:43:420
4243992013,4cyclictest10330-21grep12:13:360
4243992011,6cyclictest8937-21irqrtprio14:23:400
112672200,6sleep2425699cyclictest11:41:262
4256991914,3cyclictest33-21ksoftirqd/210:13:432
4256991913,3cyclictest9651-21sh13:52:002
4256991913,3cyclictest20476-21sh14:03:232
4256991912,4cyclictest6313-21mailstats12:08:402
4256991912,4cyclictest6313-21mailstats12:08:402
4256991912,4cyclictest29167-21ls11:58:472
4243991914,3cyclictest9-21ksoftirqd/011:29:360
4243991914,3cyclictest9-21ksoftirqd/010:03:320
4243991914,3cyclictest14577-21/usr/sbin/munin09:48:360
4243991913,3cyclictest23014-21expr14:38:370
4243991912,4cyclictest30009-21diskmemload13:09:520
4256991812,3cyclictest22346-21cat12:58:372
4256991812,3cyclictest14356-21cut10:53:362
4243991811,4cyclictest11510-21unixbench_multi09:38:450
424399171,2cyclictest0-21swapper/009:53:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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