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2026-09-17 - 22:54
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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 Thu Sep 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911850,6ptp4l401ktimersoftd/309:39:303
978921540,5sleep02437699cyclictest12:09:240
111552690,2sleep20-21swapper/214:54:362
106891680,1ptp4l401ktimersoftd/312:23:203
106891670,9ptp4l401ktimersoftd/313:50:093
106891670,1ptp4l401ktimersoftd/315:07:293
58492660,4sleep2311rcuc/211:19:202
116142650,1sleep20-21swapper/214:21:072
106891650,7ptp4l401ktimersoftd/312:47:243
106891600,1ptp4l401ktimersoftd/310:59:353
106891570,1ptp4l401ktimersoftd/312:35:193
106891570,1ptp4l401ktimersoftd/312:00:423
240352554,40sleep00-21swapper/009:41:170
106891550,1ptp4l401ktimersoftd/312:28:453
106891550,1ptp4l401ktimersoftd/312:28:453
212332540,2sleep10-21swapper/110:44:181
106891540,1ptp4l401ktimersoftd/311:48:273
239082524,34sleep20-21swapper/209:39:502
106891510,1ptp4l401ktimersoftd/313:40:013
242442504,33sleep10-21swapper/109:44:011
24391994524,12cyclictest3515-21kworker/u8:214:24:352
106891440,1ptp4l401ktimersoftd/311:31:383
220762420,5sleep12438199cyclictest13:59:341
106891420,1ptp4l401ktimersoftd/310:37:403
106891400,2ptp4l26780-21kworker/3:210:19:313
106891400,1ptp4l401ktimersoftd/313:26:533
106891390,1ptp4l401ktimersoftd/314:33:283
106891390,1ptp4l401ktimersoftd/314:06:243
106891390,1ptp4l401ktimersoftd/313:19:463
106891390,1ptp4l401ktimersoftd/313:11:343
106891390,1ptp4l401ktimersoftd/313:03:333
106891390,1ptp4l401ktimersoftd/312:54:573
106891380,1ptp4l401ktimersoftd/314:12:293
106891380,1ptp4l401ktimersoftd/314:12:293
106891380,1ptp4l401ktimersoftd/312:18:363
106891370,1ptp4l401ktimersoftd/315:12:393
106891370,1ptp4l401ktimersoftd/314:56:343
106891370,1ptp4l401ktimersoftd/314:50:163
106891370,1ptp4l401ktimersoftd/314:45:003
106891370,1ptp4l401ktimersoftd/314:42:093
106891370,1ptp4l401ktimersoftd/314:27:423
106891370,1ptp4l401ktimersoftd/314:00:493
106891370,1ptp4l401ktimersoftd/313:54:253
106891370,1ptp4l401ktimersoftd/313:45:213
106891370,1ptp4l401ktimersoftd/313:38:593
106891370,1ptp4l401ktimersoftd/313:33:123
106891370,1ptp4l401ktimersoftd/313:05:593
106891370,1ptp4l401ktimersoftd/312:40:523
106891370,1ptp4l401ktimersoftd/311:50:033
106891370,1ptp4l401ktimersoftd/310:09:323
106891370,0ptp4l401ktimersoftd/314:35:033
106891360,1ptp4l401ktimersoftd/314:17:463
106891360,1ptp4l401ktimersoftd/314:17:463
106891360,1ptp4l401ktimersoftd/313:15:553
106891360,0ptp4l401ktimersoftd/314:59:483
106891360,0ptp4l401ktimersoftd/312:32:533
106891360,0ptp4l401ktimersoftd/309:59:173
106891350,2ptp4l14138-21kworker/3:011:40:073
106891350,1ptp4l401ktimersoftd/312:08:483
106891340,1ptp4l401ktimersoftd/312:50:203
106891330,2ptp4l26780-21kworker/3:210:53:323
106891330,1ptp4l401ktimersoftd/311:18:083
24381993226,3cyclictest29720-21cron09:54:171
106891320,1ptp4l401ktimersoftd/312:11:063
106891320,1ptp4l401ktimersoftd/310:57:343
106891310,1ptp4l401ktimersoftd/311:23:003
106891310,1ptp4l401ktimersoftd/311:09:323
2439199305,3cyclictest121rcu_preempt11:59:382
106891300,1ptp4l401ktimersoftd/314:24:033
24391992924,3cyclictest33-21ksoftirqd/213:23:322
24391992922,4cyclictest4413-21cron10:09:162
24381992924,3cyclictest25-21ksoftirqd/113:59:221
24376992924,3cyclictest9-21ksoftirqd/011:49:190
24376992923,3cyclictest9-21ksoftirqd/012:30:160
106891290,0ptp4l401ktimersoftd/310:01:013
266602280,5sleep09-21ksoftirqd/009:49:010
24391992815,7cyclictest0-21swapper/212:29:312
24396992721,3cyclictest41-21ksoftirqd/311:04:303
24396992721,3cyclictest41-21ksoftirqd/309:54:173
2439199273,2cyclictest121rcu_preempt14:44:292
24391992722,3cyclictest33-21ksoftirqd/211:14:182
24391992720,4cyclictest33-21ksoftirqd/210:43:472
24381992722,3cyclictest25-21ksoftirqd/112:30:161
24381992722,3cyclictest25-21ksoftirqd/112:29:201
24381992722,3cyclictest25-21ksoftirqd/112:29:201
24381992721,3cyclictest25-21ksoftirqd/110:09:281
24376992721,3cyclictest9-21ksoftirqd/014:34:240
24376992713,3cyclictest9-21ksoftirqd/011:04:360
24396992620,3cyclictest41-21ksoftirqd/311:34:393
24381992621,3cyclictest25-21ksoftirqd/114:19:511
24381992619,4cyclictest25-21ksoftirqd/110:25:271
24381992619,4cyclictest25-21ksoftirqd/110:00:261
24376992620,3cyclictest9-21ksoftirqd/011:44:130
24376992619,4cyclictest9-21ksoftirqd/011:27:330
24376992618,5cyclictest20358-21tail13:24:390
106891260,0ptp4l401ktimersoftd/309:46:083
24391992519,3cyclictest33-21ksoftirqd/213:55:062
24391992518,4cyclictest33-21ksoftirqd/212:10:272
24391992518,4cyclictest33-21ksoftirqd/211:02:252
24391992518,4cyclictest33-21ksoftirqd/210:29:502
24391992518,4cyclictest33-21ksoftirqd/209:48:262
24381992520,3cyclictest25-21ksoftirqd/114:29:271
24381992520,3cyclictest25-21ksoftirqd/111:54:311
24381992519,3cyclictest25-21ksoftirqd/113:43:241
24376992520,3cyclictest9-21ksoftirqd/014:24:370
24376992519,3cyclictest9-21ksoftirqd/013:17:500
24376992519,3cyclictest9-21ksoftirqd/010:49:290
24376992518,4cyclictest9-21ksoftirqd/010:59:510
24376992518,4cyclictest9-21ksoftirqd/010:39:590
24376992518,4cyclictest9-21ksoftirqd/010:04:060
24376992510,3cyclictest9-21ksoftirqd/012:34:490
106891250,1ptp4l401ktimersoftd/310:39:413
24391992418,3cyclictest33-21ksoftirqd/209:52:122
24391992417,4cyclictest33-21ksoftirqd/214:31:392
24391992417,4cyclictest33-21ksoftirqd/214:17:342
24391992417,4cyclictest33-21ksoftirqd/214:17:342
24391992417,4cyclictest33-21ksoftirqd/212:37:332
24391992417,4cyclictest33-21ksoftirqd/211:16:352
24391992417,4cyclictest33-21ksoftirqd/210:20:302
24391992413,7cyclictest24050-21apt-get14:34:342
24381992419,3cyclictest25-21ksoftirqd/114:14:441
24381992419,3cyclictest25-21ksoftirqd/114:14:441
24381992419,3cyclictest25-21ksoftirqd/113:29:321
24381992419,3cyclictest25-21ksoftirqd/113:02:081
24381992419,3cyclictest25-21ksoftirqd/111:29:191
24381992418,3cyclictest25-21ksoftirqd/112:40:131
24381992417,4cyclictest25-21ksoftirqd/110:56:541
24376992418,3cyclictest9-21ksoftirqd/011:51:250
24376992417,4cyclictest9-21ksoftirqd/010:11:530
24376992417,4cyclictest9-21ksoftirqd/009:58:040
24376992411,10cyclictest6602-21cron13:44:220
106891240,1ptp4l401ktimersoftd/311:54:333
106891240,1ptp4l401ktimersoftd/311:24:323
106891240,1ptp4l401ktimersoftd/310:44:303
106891240,1ptp4l401ktimersoftd/310:44:303
106891240,1ptp4l401ktimersoftd/310:24:303
106891240,1ptp4l401ktimersoftd/310:14:273
106891240,1ptp4l401ktimersoftd/310:04:283
2439199239,11cyclictest29273-21fschecks_count14:39:392
24391992318,3cyclictest33-21ksoftirqd/212:49:522
24391992317,4cyclictest33-21ksoftirqd/210:18:412
24391992317,3cyclictest33-21ksoftirqd/211:34:182
24391992317,3cyclictest33-21ksoftirqd/210:55:022
24391992317,3cyclictest33-21ksoftirqd/210:26:512
24391992316,4cyclictest33-21ksoftirqd/213:48:392
24391992316,4cyclictest33-21ksoftirqd/210:12:512
24381992318,3cyclictest25-21ksoftirqd/114:29:231
24381992318,3cyclictest25-21ksoftirqd/112:44:401
24381992318,3cyclictest25-21ksoftirqd/111:17:121
24381992317,3cyclictest7568-21tail11:19:471
24381992317,3cyclictest25-21ksoftirqd/114:49:501
24381992316,4cyclictest25-21ksoftirqd/111:38:091
24381992315,6cyclictest25-21ksoftirqd/114:59:491
24376992318,3cyclictest9-21ksoftirqd/015:09:430
24376992318,3cyclictest9-21ksoftirqd/014:49:360
24376992318,3cyclictest9-21ksoftirqd/014:44:230
24376992317,4cyclictest9-21ksoftirqd/013:34:320
24376992317,3cyclictest9-21ksoftirqd/014:22:500
24376992317,3cyclictest9-21ksoftirqd/012:19:320
24376992317,3cyclictest9-21ksoftirqd/011:11:000
24376992317,3cyclictest9-21ksoftirqd/010:48:260
24376992317,3cyclictest9-21ksoftirqd/010:48:260
24376992316,4cyclictest9-21ksoftirqd/010:55:210
24376992316,4cyclictest9-21ksoftirqd/009:51:340
106891230,0ptp4l401ktimersoftd/310:29:383
98202220,2sleep00-21swapper/013:46:330
24391992217,3cyclictest33-21ksoftirqd/212:39:362
24391992216,3cyclictest33-21ksoftirqd/213:37:242
24391992216,3cyclictest33-21ksoftirqd/210:51:402
24391992216,3cyclictest33-21ksoftirqd/210:35:322
24391992215,4cyclictest5773-21sh13:42:562
24391992215,4cyclictest33-21ksoftirqd/211:37:442
24391992215,4cyclictest25967-21tr15:09:372
2439199221,3cyclictest15329-21hddtemp_smartct12:14:362
24381992217,3cyclictest25-21ksoftirqd/113:38:171
24381992217,3cyclictest25-21ksoftirqd/111:29:331
24381992216,3cyclictest25-21ksoftirqd/111:43:151
24381992216,3cyclictest25-21ksoftirqd/110:04:261
24381992216,3cyclictest1904-21timerwakeupswit11:59:471
24381992215,4cyclictest47050irq/101-ens3-Tx13:24:341
24381992215,4cyclictest25-21ksoftirqd/115:08:281
24381992215,4cyclictest25-21ksoftirqd/110:36:591
24376992217,3cyclictest9-21ksoftirqd/010:23:590
24376992216,3cyclictest9-21ksoftirqd/013:14:210
24376992216,3cyclictest9-21ksoftirqd/011:18:450
24376992215,4cyclictest25240-21idleruntime-cro15:09:240
24376992214,4cyclictest892-21timerandwakeup14:09:500
24376992214,4cyclictest892-21timerandwakeup14:09:500
24391992116,3cyclictest33-21ksoftirqd/214:10:352
24391992116,3cyclictest33-21ksoftirqd/214:10:352
24391992116,3cyclictest33-21ksoftirqd/213:30:172
24391992116,3cyclictest33-21ksoftirqd/213:00:452
24391992115,3cyclictest33-21ksoftirqd/212:09:102
24391992115,3cyclictest33-21ksoftirqd/211:27:012
24391992115,3cyclictest32361-21sed11:59:192
24391992114,4cyclictest6437-21find13:09:472
24391992114,4cyclictest621-21irqrtprio09:59:352
24391992114,4cyclictest30356-21sh14:07:402
24391992114,4cyclictest27368-21latency_hist12:59:212
24391992114,4cyclictest2511-21sh13:05:392
24391992114,4cyclictest22762-21sh15:05:072
24391992114,4cyclictest21038-21sendmail_mailst12:19:432
2439199211,3cyclictest0-21swapper/213:59:552
24391992113,5cyclictest12224-21cpuspeed_turbos13:49:352
2439199211,17cyclictest25220-21ssh11:50:442
2438199218,3cyclictest1144-21uname13:04:411
24381992116,3cyclictest25-21ksoftirqd/114:54:391
24381992116,3cyclictest25-21ksoftirqd/113:49:261
24381992115,4cyclictest29633-21sh14:39:421
24381992115,4cyclictest25-21ksoftirqd/112:11:541
24381992115,3cyclictest29184-21sh15:12:281
24381992115,3cyclictest25-21ksoftirqd/110:20:591
24381992114,4cyclictest25932-21grep10:54:181
24381992114,4cyclictest25-21ksoftirqd/114:45:551
24381992114,4cyclictest25-21ksoftirqd/112:35:151
24381992114,4cyclictest18761-2110-uname13:23:321
24381992113,6cyclictest25-21ksoftirqd/113:44:451
24381992111,8cyclictest26820-21ssh11:53:271
24376992116,3cyclictest9-21ksoftirqd/013:20:570
24376992115,4cyclictest9-21ksoftirqd/014:14:270
24376992115,4cyclictest9-21ksoftirqd/014:14:270
24376992115,3cyclictest9-21ksoftirqd/011:30:540
24376992115,3cyclictest9-21ksoftirqd/010:35:300
24376992115,3cyclictest9-21ksoftirqd/010:25:180
24376992115,3cyclictest9-21ksoftirqd/010:18:480
24376992115,3cyclictest21923-21sh13:59:310
24376992114,4cyclictest3872-21sh13:08:010
24376992114,4cyclictest15714-21timerwakeupswit10:29:460
24376992114,4cyclictest11107-21sh12:41:280
24391992014,3cyclictest33-21ksoftirqd/209:55:472
24391992014,3cyclictest26705-21sh12:25:232
24391992014,3cyclictest26705-21sh12:25:232
24391992014,3cyclictest22821-21sh13:26:422
24391992014,3cyclictest19798-21sh11:44:532
24391992014,3cyclictest12996-21sh12:44:222
24391992013,4cyclictest8009-21unixbench_singl14:49:542
2439199201,16cyclictest11375-21snmp_o5powerctl13:14:462
2439199200,4cyclictest31000-21ls11:04:302
2439199200,16cyclictest21812-21head10:44:352
2439199200,16cyclictest21812-21head10:44:352
24381992016,3cyclictest25-21ksoftirqd/111:04:351
24381992015,3cyclictest25-21ksoftirqd/114:04:351
24381992014,3cyclictest8463-21sh13:12:341
24381992014,3cyclictest7344-21expr10:14:281
24381992014,3cyclictest47050irq/101-ens3-Tx11:44:341
24381992014,3cyclictest25-21ksoftirqd/113:18:471
24381992014,3cyclictest25-21ksoftirqd/110:29:301
24381992014,3cyclictest24795-21sed14:34:411
24381992014,3cyclictest20635-21cut12:19:391
24381992014,3cyclictest17960-21basename12:49:321
24381992014,3cyclictest17234-21sh12:15:491
24381992013,4cyclictest5487-21gltestperf12:04:341
24381992013,4cyclictest1085-21grep14:09:511
24381992013,4cyclictest1085-21grep14:09:511
24381992012,5cyclictest24221-21cut12:54:421
24376992015,3cyclictest9-21ksoftirqd/014:54:420
24376992014,3cyclictest27147-21sh12:26:090
24376992014,3cyclictest27147-21sh12:26:090
2437699201,3cyclictest18622-21ssh15:01:210
24376992013,4cyclictest28229-21gltestperf12:59:360
24376992013,4cyclictest25370-21if_enp1s0.113:29:380
24376992013,4cyclictest17503-21diskmemload14:04:370
24376992013,4cyclictest17503-21diskmemload13:58:120
24376992013,4cyclictest13338-21tr12:44:340
227842200,16sleep00-21swapper/014:33:190
24391991914,3cyclictest18026-21sh15:00:192
2439199191,15cyclictest16418-21memory11:39:402
24381991913,4cyclictest25-21ksoftirqd/111:03:491
24381991913,3cyclictest30113-21sort09:54:301
24381991912,4cyclictest25-21ksoftirqd/111:13:531
2438199190,3cyclictest131rcu_sched09:49:171
2437699196,5cyclictest9-21ksoftirqd/014:46:580
24376991913,4cyclictest9-21ksoftirqd/012:04:310
24376991913,4cyclictest17503-21diskmemload12:02:580
24376991913,3cyclictest9-21ksoftirqd/011:23:450
24376991913,3cyclictest28473-21sed11:54:370
24376991912,4cyclictest2549-21expr10:04:300
24376991912,4cyclictest23554-21if_err_ens312:54:380
24376991912,4cyclictest18161-21cut12:49:340
24376991912,4cyclictest17503-21diskmemload13:53:130
24376991912,4cyclictest16486-21timerwakeupswit12:14:490
24381991812,3cyclictest21492-21cstates10:44:321
24381991812,3cyclictest21492-21cstates10:44:321
24376991813,3cyclictest13949-21irqstats11:34:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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