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2026-09-02 - 05:22
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Wed Sep 02, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18071997111,56cyclictest21-21ksoftirqd/122:08:221
18071997111,56cyclictest21-21ksoftirqd/122:08:221
1808299683,59cyclictest17101-21ntp_kernel_err21:18:463
1808299683,59cyclictest17101-21ntp_kernel_err21:18:463
1808299682,59cyclictest19015-21cat22:03:483
1808299682,59cyclictest19015-21cat22:03:483
1808299633,55cyclictest0-21swapper/321:38:543
1808299632,7cyclictest3845-21timerwakeupswit23:08:503
1808299622,7cyclictest11348-21ssh21:53:513
18082995930,24cyclictest26157-21tr23:38:423
1807199594,49cyclictest0-21swapper/120:20:301
1807799585,47cyclictest0-21swapper/222:08:342
1807199584,48cyclictest0-21swapper/121:31:371
1807199583,50cyclictest0-21swapper/122:12:041
1807799575,46cyclictest0-21swapper/221:13:252
1807799574,47cyclictest0-21swapper/221:40:442
1807199574,46cyclictest0-21swapper/119:58:491
1807799564,46cyclictest0-21swapper/223:33:322
1807199564,45cyclictest0-21swapper/121:10:551
1807199562,49cyclictest10052-21latency_hist23:18:211
18082995525,25cyclictest9714-21chrt19:13:543
1807799555,7cyclictest0-21swapper/221:36:142
1807799554,45cyclictest0-21swapper/219:38:262
1807799554,45cyclictest0-21swapper/219:38:262
1806399555,44cyclictest0-21swapper/021:20:150
1806399555,44cyclictest0-21swapper/021:20:150
18063995546,5cyclictest3-21ksoftirqd/022:53:210
1807799543,45cyclictest12098-21ssh22:38:242
1807799542,7cyclictest953-21ssh22:23:332
1807799542,7cyclictest10493-21df21:53:342
1807199544,44cyclictest0-21swapper/120:58:451
1807199543,46cyclictest0-21swapper/118:27:281
1807199543,46cyclictest0-21swapper/118:27:281
1807199542,26cyclictest6301-21ssh21:48:221
1808299536,41cyclictest573-21irqbalance22:23:533
18082995323,26cyclictest20596-21tr22:48:433
18082995323,25cyclictest23328-21grep20:44:023
1807799535,42cyclictest0-21swapper/221:48:142
1807799534,43cyclictest0-21swapper/220:32:062
1807199539,39cyclictest0-21swapper/120:16:151
1807199538,39cyclictest0-21swapper/123:20:541
1807199538,39cyclictest0-21swapper/123:20:541
1806399533,45cyclictest0-21swapper/018:13:590
1808299522,44cyclictest14683-21tr21:58:403
1807799525,19cyclictest0-21swapper/220:46:192
1807799524,42cyclictest0-21swapper/221:12:052
1807799523,26cyclictest0-21swapper/223:17:512
1807199523,43cyclictest0-21swapper/120:50:151
1807199523,42cyclictest0-21swapper/122:19:031
1807199523,27cyclictest0-21swapper/122:43:211
1807199522,45cyclictest16931-21ssh23:27:001
1808299517,37cyclictest26256-21hwlatdetect20:48:403
1808299517,37cyclictest22892-21ls19:48:543
1808299515,39cyclictest21916-21fschecks_time23:33:353
18082995121,25cyclictest24634-21ls19:53:513
1808299512,43cyclictest7298-21idleruntime19:08:413
1808299512,43cyclictest6908-21idleruntime23:13:373
1808299512,43cyclictest25764-21fschecks_count22:13:363
18082995119,26cyclictest5509-21latency21:03:433
18082995118,28cyclictest1673-21idleruntime18:53:423
18082995118,27cyclictest14464-21fschecks_time23:23:353
1807799514,42cyclictest0-21swapper/223:41:222
1807799514,41cyclictest0-21swapper/222:47:132
1807799513,42cyclictest0-21swapper/223:21:122
1807799513,42cyclictest0-21swapper/223:21:122
1807199515,40cyclictest0-21swapper/122:33:001
1807199514,41cyclictest0-21swapper/121:26:571
1807199514,41cyclictest0-21swapper/120:28:471
1807199514,40cyclictest0-21swapper/123:35:521
1807199513,5cyclictest0-21swapper/122:28:211
1807199513,43cyclictest0-21swapper/123:11:221
1807199513,43cyclictest0-21swapper/120:39:361
1807199513,42cyclictest0-21swapper/121:17:451
1807199513,42cyclictest0-21swapper/120:44:361
1807199513,41cyclictest0-21swapper/123:31:421
1807199513,41cyclictest0-21swapper/122:14:041
1807199512,43cyclictest16244-21ssh20:35:081
1807199512,43cyclictest16244-21ssh20:35:081
18071995112,33cyclictest0-21swapper/122:01:351
1808299507,36cyclictest18441-21cut19:38:383
1808299507,36cyclictest18441-21cut19:38:383
18082995021,24cyclictest32164-21grep18:48:413
18082995020,25cyclictest19526-21grep20:39:043
1808299502,6cyclictest10739-21if_eth223:18:373
1808299502,6cyclictest10739-21if_eth223:18:373
1808299502,43cyclictest12673-21cut19:23:403
18082995017,29cyclictest9018-21grep21:08:373
18082995015,29cyclictest9577-21timerwakeupswit22:33:523
1807799505,39cyclictest0-21swapper/221:22:482
1807799505,39cyclictest0-21swapper/221:22:482
1807799504,9cyclictest0-21swapper/220:41:062
1807799504,41cyclictest0-21swapper/222:28:272
1807799504,41cyclictest0-21swapper/221:23:542
1807799504,40cyclictest0-21swapper/222:34:512
1807799503,43cyclictest0-21swapper/221:00:032
1807799503,41cyclictest0-21swapper/222:49:332
1807799503,41cyclictest0-21swapper/221:07:052
1807799503,41cyclictest0-21swapper/220:48:362
1807799503,41cyclictest0-21swapper/220:24:442
1807199505,39cyclictest0-21swapper/123:01:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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