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2026-03-11 - 16:18
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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 Mar 11, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3159821530,4sleep0339499cyclictest08:54:370
106891970,4ptp4l401ktimersoftd/307:56:363
106891660,1ptp4l401ktimersoftd/310:58:303
31232654,10sleep00-21swapper/007:57:040
182382650,4sleep233-21ksoftirqd/211:58:392
242932640,5sleep124287-21apt-get10:59:321
298732630,2sleep20-21swapper/211:36:592
106891630,1ptp4l401ktimersoftd/311:32:183
106891610,1ptp4l401ktimersoftd/310:17:093
10172610,5sleep31020-21unixbench_multi11:39:493
106891590,1ptp4l401ktimersoftd/311:03:443
200642570,2sleep00-21swapper/010:22:090
106891570,1ptp4l401ktimersoftd/310:01:563
106891560,1ptp4l401ktimersoftd/312:22:203
3406995531,4cyclictest33-21ksoftirqd/212:39:542
97552540,2sleep00-21swapper/011:49:380
299542530,1sleep30-21swapper/310:31:443
106891530,1ptp4l401ktimersoftd/312:47:343
106891530,1ptp4l401ktimersoftd/308:24:023
211552520,2sleep10-21swapper/110:23:591
3406995143,4cyclictest33-21ksoftirqd/209:24:312
3406995142,5cyclictest33-21ksoftirqd/211:14:322
110242500,2sleep00-21swapper/011:18:540
3406994941,5cyclictest33-21ksoftirqd/208:29:312
3406994921,11cyclictest33-21ksoftirqd/212:59:422
340099494,4cyclictest11520-21idleruntime-cro13:29:241
106891490,1ptp4l401ktimersoftd/311:04:463
3406994841,4cyclictest33-21ksoftirqd/208:09:302
3406994739,4cyclictest33-21ksoftirqd/210:44:312
3406994730,9cyclictest33-21ksoftirqd/211:59:382
3406994722,4cyclictest33-21ksoftirqd/208:44:352
3406994721,4cyclictest33-21ksoftirqd/212:54:412
340699470,3cyclictest121rcu_preempt10:24:252
106891470,2ptp4l8096-21kworker/3:112:58:373
106891470,0ptp4l401ktimersoftd/308:29:503
3406994640,3cyclictest33-21ksoftirqd/212:04:272
3406994621,15cyclictest33-21ksoftirqd/212:09:392
106891460,1ptp4l401ktimersoftd/311:38:133
3406994539,4cyclictest33-21ksoftirqd/212:24:282
3406994519,4cyclictest33-21ksoftirqd/210:39:432
3406994420,7cyclictest33-21ksoftirqd/210:19:332
3406994414,6cyclictest33-21ksoftirqd/211:54:232
3412994334,4cyclictest41-21ksoftirqd/312:59:363
3406994336,3cyclictest321ktimersoftd/209:39:362
3406994318,4cyclictest33-21ksoftirqd/211:39:392
3406994318,4cyclictest33-21ksoftirqd/211:24:422
3406994318,4cyclictest33-21ksoftirqd/209:44:402
340699429,7cyclictest33-21ksoftirqd/211:09:402
3406994218,7cyclictest33-21ksoftirqd/209:49:422
3406994217,4cyclictest33-21ksoftirqd/212:35:532
3406994212,9cyclictest33-21ksoftirqd/209:34:472
340699416,7cyclictest33-21ksoftirqd/212:44:372
3406994135,3cyclictest8796-21basename11:49:222
3406994134,4cyclictest7391-21cron09:14:192
3406994117,4cyclictest33-21ksoftirqd/213:24:422
340699403,4cyclictest33-21ksoftirqd/210:54:342
340699402,3cyclictest33-21ksoftirqd/212:14:452
340699402,3cyclictest33-21ksoftirqd/211:19:492
3406994016,4cyclictest33-21ksoftirqd/209:19:192
106891400,1ptp4l401ktimersoftd/313:25:423
106891400,1ptp4l401ktimersoftd/312:41:563
340699399,9cyclictest33-21ksoftirqd/213:09:422
3406993925,3cyclictest33-21ksoftirqd/210:14:482
3406993924,12cyclictest33-21ksoftirqd/208:29:172
3406993924,12cyclictest33-21ksoftirqd/208:29:172
340699391,7cyclictest33-21ksoftirqd/210:04:202
3406993916,7cyclictest33-21ksoftirqd/211:05:392
3406993910,10cyclictest33-21ksoftirqd/212:49:432
340699390,3cyclictest33-21ksoftirqd/212:19:372
106891390,1ptp4l401ktimersoftd/312:49:443
106891390,1ptp4l401ktimersoftd/310:11:083
106891390,1ptp4l401ktimersoftd/310:11:083
3412993822,9cyclictest46850irq/99-ens3-TxR11:24:343
340699389,4cyclictest33-21ksoftirqd/209:54:372
340699382,7cyclictest33-21ksoftirqd/213:19:332
3406993826,9cyclictest33-21ksoftirqd/212:34:242
3406993825,9cyclictest33-21ksoftirqd/210:59:372
3406993825,3cyclictest33-21ksoftirqd/210:34:432
340699382,31cyclictest8761-21cat08:09:172
340699381,6cyclictest5771-21munin-node08:04:172
18272384,15sleep21162-21/usr/sbin/munin07:54:362
106891380,1ptp4l401ktimersoftd/312:31:103
106891380,1ptp4l401ktimersoftd/311:18:503
340699378,5cyclictest33-21ksoftirqd/213:14:402
3406993727,3cyclictest33-21ksoftirqd/210:49:422
3406993722,4cyclictest33-21ksoftirqd/210:29:392
3406993721,3cyclictest33-21ksoftirqd/210:10:392
3406993721,3cyclictest33-21ksoftirqd/210:10:392
3406993716,7cyclictest33-21ksoftirqd/208:34:432
106891370,1ptp4l401ktimersoftd/313:24:163
106891370,1ptp4l401ktimersoftd/313:15:023
106891370,1ptp4l401ktimersoftd/313:11:253
106891370,1ptp4l401ktimersoftd/312:15:023
106891370,1ptp4l401ktimersoftd/312:12:583
106891370,1ptp4l401ktimersoftd/312:01:523
106891370,1ptp4l401ktimersoftd/311:57:533
106891370,1ptp4l401ktimersoftd/311:47:073
106891370,1ptp4l401ktimersoftd/310:51:343
106891370,1ptp4l401ktimersoftd/310:43:503
106891370,1ptp4l401ktimersoftd/310:26:593
106891370,1ptp4l401ktimersoftd/310:21:573
3412993631,3cyclictest41-21ksoftirqd/310:49:213
340699369,5cyclictest33-21ksoftirqd/208:59:362
340699364,3cyclictest33-21ksoftirqd/211:31:232
3406993630,3cyclictest33-21ksoftirqd/209:19:332
3406993619,5cyclictest33-21ksoftirqd/210:04:412
3406993617,6cyclictest33-21ksoftirqd/208:14:392
106891360,1ptp4l401ktimersoftd/313:07:043
106891360,1ptp4l401ktimersoftd/312:28:203
106891360,1ptp4l401ktimersoftd/311:20:233
106891360,1ptp4l401ktimersoftd/310:38:133
106891360,1ptp4l401ktimersoftd/308:14:483
106891360,0ptp4l401ktimersoftd/312:36:163
106891360,0ptp4l401ktimersoftd/310:07:373
106891360,0ptp4l401ktimersoftd/308:59:493
340699354,3cyclictest33-21ksoftirqd/209:04:342
3406993529,3cyclictest33-21ksoftirqd/213:04:462
340699352,7cyclictest33-21ksoftirqd/208:54:452
3406993521,5cyclictest33-21ksoftirqd/209:29:362
340699351,4cyclictest33-21ksoftirqd/208:39:472
340699350,3cyclictest121rcu_preempt08:19:362
106891350,1ptp4l401ktimersoftd/312:08:413
106891350,1ptp4l401ktimersoftd/311:12:453
106891350,1ptp4l401ktimersoftd/309:34:333
106891350,1ptp4l401ktimersoftd/309:29:433
106891350,0ptp4l401ktimersoftd/309:57:373
106891350,0ptp4l401ktimersoftd/309:29:103
106891350,0ptp4l401ktimersoftd/308:13:023
3406993429,3cyclictest33-21ksoftirqd/208:54:182
3412993227,3cyclictest41-21ksoftirqd/308:49:183
3412993225,4cyclictest26569-21cron09:54:193
3394993226,3cyclictest9774-21turbostat09:19:190
106891320,1ptp4l401ktimersoftd/308:41:453
106891320,0ptp4l401ktimersoftd/311:52:303
106891320,0ptp4l401ktimersoftd/308:53:153
3394993126,3cyclictest9-21ksoftirqd/012:29:350
3394993126,3cyclictest9-21ksoftirqd/012:19:230
339499311,3cyclictest121rcu_preempt12:24:240
305223111,9sleep10-21swapper/107:56:081
3394993025,3cyclictest9-21ksoftirqd/011:09:210
315272300,4sleep125-21ksoftirqd/113:15:151
3412992924,3cyclictest41-21ksoftirqd/308:09:173
3400992913,7cyclictest25-21ksoftirqd/112:44:231
3394992924,3cyclictest9-21ksoftirqd/008:09:170
339499291,3cyclictest121rcu_preempt12:59:290
3412992821,4cyclictest41-21ksoftirqd/308:24:253
3412992821,4cyclictest41-21ksoftirqd/308:24:253
3400992823,3cyclictest25-21ksoftirqd/113:09:361
3400992822,3cyclictest25-21ksoftirqd/112:54:411
3394992822,3cyclictest9-21ksoftirqd/009:49:190
3394992822,3cyclictest9-21ksoftirqd/009:29:200
3394992821,4cyclictest9-21ksoftirqd/008:49:360
339499281,3cyclictest121rcu_preempt11:59:510
106891280,0ptp4l401ktimersoftd/309:45:103
3412992721,3cyclictest41-21ksoftirqd/309:19:363
3400992722,3cyclictest25-21ksoftirqd/111:49:221
3400992722,3cyclictest25-21ksoftirqd/111:04:331
3400992722,3cyclictest25-21ksoftirqd/109:29:191
3400992721,3cyclictest25-21ksoftirqd/112:04:231
3400992721,3cyclictest25-21ksoftirqd/110:29:201
3400992721,3cyclictest25-21ksoftirqd/110:04:381
3400992721,3cyclictest25-21ksoftirqd/108:49:311
3400992720,4cyclictest25-21ksoftirqd/109:19:191
3400992720,4cyclictest25-21ksoftirqd/109:06:551
3400992712,7cyclictest25-21ksoftirqd/111:12:501
3400992711,7cyclictest25-21ksoftirqd/111:50:551
3394992722,3cyclictest9-21ksoftirqd/013:19:240
3394992722,3cyclictest9-21ksoftirqd/012:34:420
3394992722,3cyclictest9-21ksoftirqd/011:59:220
3394992722,3cyclictest9-21ksoftirqd/009:49:380
3394992721,3cyclictest9-21ksoftirqd/010:24:300
3394992721,3cyclictest9-21ksoftirqd/010:14:200
3394992721,3cyclictest9-21ksoftirqd/010:14:200
3394992720,4cyclictest9-21ksoftirqd/008:36:110
339499270,3cyclictest121rcu_preempt11:29:500
106891270,12ptp4l401ktimersoftd/309:42:023
3412992620,3cyclictest41-21ksoftirqd/309:14:463
3412992620,3cyclictest41-21ksoftirqd/309:09:293
3400992621,3cyclictest25-21ksoftirqd/112:34:241
3400992621,3cyclictest25-21ksoftirqd/111:19:391
3400992621,3cyclictest25-21ksoftirqd/110:09:381
3400992621,3cyclictest25-21ksoftirqd/110:09:381
3400992621,3cyclictest25-21ksoftirqd/109:54:351
3400992621,3cyclictest25-21ksoftirqd/109:49:191
3400992620,4cyclictest25-21ksoftirqd/111:34:411
3400992620,3cyclictest25-21ksoftirqd/112:34:421
3400992620,3cyclictest25-21ksoftirqd/110:53:221
3400992620,3cyclictest25-21ksoftirqd/109:29:371
3400992610,8cyclictest25-21ksoftirqd/112:19:531
3394992621,3cyclictest9-21ksoftirqd/011:49:220
3394992621,3cyclictest9-21ksoftirqd/011:34:350
3394992618,4cyclictest9-21ksoftirqd/012:39:380
106891260,1ptp4l401ktimersoftd/308:54:413
106891260,1ptp4l401ktimersoftd/308:37:203
3412992520,3cyclictest41-21ksoftirqd/309:04:453
3400992520,3cyclictest25-21ksoftirqd/112:14:491
3400992520,3cyclictest25-21ksoftirqd/110:59:211
3400992520,3cyclictest25-21ksoftirqd/110:14:391
3400992520,3cyclictest25-21ksoftirqd/109:39:391
3400992520,3cyclictest25-21ksoftirqd/109:09:311
3400992520,3cyclictest25-21ksoftirqd/108:34:441
3400992520,3cyclictest25-21ksoftirqd/108:29:171
3400992520,3cyclictest25-21ksoftirqd/108:29:171
3400992511,6cyclictest25-21ksoftirqd/110:44:401
3394992520,3cyclictest9-21ksoftirqd/013:04:390
3394992520,3cyclictest9-21ksoftirqd/012:24:240
3394992520,3cyclictest9-21ksoftirqd/011:44:220
3394992520,3cyclictest9-21ksoftirqd/010:54:390
3394992519,4cyclictest22186-1kworker/u9:211:00:160
3394992519,3cyclictest9-21ksoftirqd/010:14:390
3394992518,4cyclictest9-21ksoftirqd/011:24:220
3394992518,4cyclictest9-21ksoftirqd/009:36:040
3394992518,4cyclictest9-21ksoftirqd/009:21:430
3394992518,4cyclictest17087-21cron09:34:190
3412992418,3cyclictest41-21ksoftirqd/307:59:333
340099247,8cyclictest25-21ksoftirqd/112:59:421
3400992419,3cyclictest25-21ksoftirqd/112:04:431
3400992419,3cyclictest25-21ksoftirqd/111:54:381
3400992419,3cyclictest25-21ksoftirqd/111:19:221
3400992419,3cyclictest25-21ksoftirqd/108:29:371
3400992419,3cyclictest25-21ksoftirqd/108:24:171
3400992418,4cyclictest25-21ksoftirqd/111:39:371
3400992418,3cyclictest25-21ksoftirqd/108:14:301
3400992418,3cyclictest25-21ksoftirqd/108:04:171
3400992417,4cyclictest25-21ksoftirqd/108:09:171
3400992410,4cyclictest25-21ksoftirqd/112:24:241
3400992410,3cyclictest25-21ksoftirqd/110:34:581
3394992419,3cyclictest9-21ksoftirqd/013:09:520
3394992419,3cyclictest9-21ksoftirqd/012:59:250
3394992419,3cyclictest9-21ksoftirqd/012:44:430
3394992419,3cyclictest9-21ksoftirqd/010:49:410
3394992419,3cyclictest9-21ksoftirqd/010:44:360
3394992419,3cyclictest9-21ksoftirqd/010:04:190
3394992419,3cyclictest9-21ksoftirqd/009:12:360
3394992419,3cyclictest9-21ksoftirqd/008:09:310
3394992418,3cyclictest9-21ksoftirqd/010:29:350
3394992417,4cyclictest9-21ksoftirqd/008:32:330
3400992318,3cyclictest25-21ksoftirqd/111:29:401
3400992318,3cyclictest25-21ksoftirqd/110:02:551
3400992318,3cyclictest25-21ksoftirqd/108:54:401
3400992317,4cyclictest25-21ksoftirqd/109:23:531
3400992317,3cyclictest25-21ksoftirqd/108:10:301
3400992315,5cyclictest26970-21sh10:29:331
3394992318,3cyclictest9-21ksoftirqd/012:49:330
3394992318,3cyclictest9-21ksoftirqd/012:09:380
3394992318,3cyclictest9-21ksoftirqd/010:04:440
3394992318,3cyclictest9-21ksoftirqd/009:04:180
3394992318,3cyclictest9-21ksoftirqd/008:19:300
3394992317,4cyclictest13259-1kworker/u9:112:04:310
3394992317,3cyclictest9-21ksoftirqd/010:34:400
3394992316,4cyclictest9-21ksoftirqd/009:57:080
3394992311,9cyclictest6434-21sh10:40:010
3400992217,3cyclictest25-21ksoftirqd/112:09:391
3400992217,3cyclictest25-21ksoftirqd/109:34:341
3400992216,4cyclictest25-21ksoftirqd/111:27:271
3400992216,3cyclictest6496-21unixbench_singl12:49:511
3394992217,3cyclictest9-21ksoftirqd/011:24:410
3394992217,3cyclictest9-21ksoftirqd/008:48:550
3394992217,3cyclictest9-21ksoftirqd/008:24:220
3394992217,3cyclictest9-21ksoftirqd/008:24:220
3394992217,3cyclictest9-21ksoftirqd/008:19:170
3394992216,3cyclictest9-21ksoftirqd/013:24:370
41062210,2sleep00-21swapper/013:20:200
3400992116,3cyclictest25-21ksoftirqd/108:59:361
3400992114,4cyclictest4814-21fschecks_count10:39:361
3400992110,8cyclictest20724-21open_inodes13:04:441
3394992116,3cyclictest9-21ksoftirqd/008:39:370
3394992114,4cyclictest9-21ksoftirqd/009:39:360
3400992014,3cyclictest24809-21sendmail_mailtr08:39:411
3400992013,5cyclictest25-21ksoftirqd/113:19:341
3400992013,4cyclictest425-21cut12:44:401
3394992016,3cyclictest9-21ksoftirqd/011:09:390
3394992015,3cyclictest9-21ksoftirqd/009:07:540
3394992013,4cyclictest3581-21/usr/sbin/munin07:59:390
340099192,3cyclictest121rcu_preempt08:44:321
3400991813,3cyclictest25-21ksoftirqd/109:49:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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