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2024-09-08 - 11:43
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 all highest latencies:
System rack1slot8.osadl.org (updated Sun Sep 08, 2024 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25670995454,13cyclictest0-21swapper/119:10:081
2566999403328,67cyclictest0-21swapper/019:30:120
2566999401312,79cyclictest0-21swapper/019:10:080
2567099346286,26cyclictest0-21swapper/119:30:121
2168991260,12rtkit-daemon0-21swapper/021:23:190
1031121220,5sleep110312-21sh22:15:551
216899950,10rtkit-daemon0-21swapper/022:21:010
216899860,4rtkit-daemon2167-21rtkit-daemon00:38:330
25670998512,54cyclictest0-21swapper/122:30:581
285072830,3sleep028509-21awk19:15:220
25670998012,50cyclictest0-21swapper/123:18:591
235852790,2sleep041ktimersoftd/023:37:350
2553127733,32sleep10-21swapper/119:08:591
216899770,4rtkit-daemon2167-21rtkit-daemon22:53:111
2566999755,64cyclictest0-21swapper/000:32:130
25669997542,25cyclictest0-21swapper/023:50:200
2566999745,52cyclictest0-21swapper/023:56:400
2566999743,41cyclictest23811-21open_files22:40:210
2566999738,59cyclictest0-21swapper/000:05:160
25670997214,40cyclictest0-21swapper/100:26:591
2566999725,61cyclictest0-21swapper/022:45:520
2566999725,51cyclictest0-21swapper/022:34:540
2566999723,43cyclictest16139-21ssh22:26:350
25669997220,45cyclictest78950irq/46-eth0-tx-21:13:530
2566999722,62cyclictest15677-21runrttasks21:30:070
25669997146,20cyclictest0-21swapper/022:01:350
25669997113,51cyclictest78950irq/46-eth0-tx-23:23:480
25670997013,38cyclictest0-21swapper/121:56:011
2566999703,59cyclictest19116-21munin-node21:35:190
2566999703,59cyclictest19116-21munin-node21:35:180
2566999703,50cyclictest29957-21ssh22:50:350
2566999703,42cyclictest20654-21ssh23:32:090
2566999703,39cyclictest16738-21ssh00:22:110
25669996943,22cyclictest0-21swapper/000:01:560
2566999693,41cyclictest31834-21ssh21:57:470
25669996916,46cyclictest0-21swapper/022:55:110
216899690,4rtkit-daemon2167-21rtkit-daemon23:12:410
25669996842,21cyclictest0-21swapper/022:07:380
2566999684,57cyclictest0-21swapper/000:11:460
2566999683,36cyclictest20172-21ssh22:35:070
25669996821,34cyclictest78950irq/46-eth0-tx-22:19:460
2566999682,61cyclictest17565-21sh23:26:140
25669996819,43cyclictest78950irq/46-eth0-tx-21:46:260
25669996819,42cyclictest78950irq/46-eth0-tx-21:52:050
25669996818,43cyclictest78950irq/46-eth0-tx-22:13:520
216899680,3rtkit-daemon2167-21rtkit-daemon19:05:080
2567099674,47cyclictest78850irq/45-eth0-rx-00:07:591
2566999673,56cyclictest4388-21diskmemload21:18:280
2566999673,44cyclictest16977-21munin-node20:15:260
25669996720,35cyclictest78950irq/46-eth0-tx-00:17:410
2566999672,56cyclictest11394-21latency_hist20:00:020
25669996719,42cyclictest78950irq/46-eth0-tx-23:17:270
2566999666,36cyclictest29954-21latency_hist23:50:010
2566999663,54cyclictest24029-21latency_hist20:35:010
25669996620,34cyclictest78950irq/46-eth0-tx-23:43:370
2566999662,48cyclictest2432-21munin-node23:00:160
25670996516,31cyclictest0-21swapper/119:48:591
25670996511,45cyclictest0-21swapper/122:35:591
25669996546,15cyclictest0-21swapper/023:05:140
2566999654,34cyclictest18368-21ssh00:25:190
25669996518,39cyclictest78950irq/46-eth0-tx-21:40:080
25670996414,33cyclictest0-21swapper/121:49:591
2566999645,52cyclictest0-21swapper/019:25:010
2566999645,52cyclictest0-21swapper/019:25:000
2566999642,56cyclictest7798-21runrttasks19:50:020
2566999642,56cyclictest4344-21runrttasks21:09:390
25670996314,30cyclictest0-21swapper/121:33:591
2566999633,39cyclictest14877-21ssh21:27:590
283892626,15sleep10-21swapper/121:50:501
25670996214,34cyclictest0-21swapper/120:05:591
25670996214,32cyclictest0-21swapper/123:28:591
25670996214,30cyclictest0-21swapper/123:55:591
25670996210,34cyclictest0-21swapper/119:28:591
25670996210,34cyclictest0-21swapper/119:28:591
25669996242,16cyclictest0-21swapper/020:55:130
25669996237,21cyclictest0-21swapper/019:50:230
2566999623,41cyclictest1945-21Xorg19:38:000
25669996228,29cyclictest0-21swapper/020:40:210
2566999622,43cyclictest29660-21aten_r1power_fr20:50:120
2567099619,32cyclictest0-21swapper/120:40:591
25670996114,29cyclictest0-21swapper/121:05:591
2566999613,51cyclictest15173-21munin-node20:10:280
2566999613,38cyclictest1067-21snmpd20:49:030
25669996125,31cyclictest0-21swapper/019:30:020
25669996125,31cyclictest0-21swapper/019:30:010
25670996014,31cyclictest0-21swapper/100:36:001
25670996014,30cyclictest0-21swapper/119:45:001
25670996014,29cyclictest0-21swapper/120:55:591
25670996014,29cyclictest0-21swapper/120:26:591
2566999605,49cyclictest0-21swapper/020:23:310
2566999603,49cyclictest20699-21telnet20:25:140
2567099599,32cyclictest0-21swapper/119:20:591
2567099599,32cyclictest0-21swapper/119:20:591
25670995915,31cyclictest0-21swapper/120:48:591
25670995914,29cyclictest0-21swapper/122:48:591
25670995914,29cyclictest0-21swapper/120:00:001
25670995913,33cyclictest0-21swapper/123:11:581
25670995913,29cyclictest0-21swapper/121:19:001
25670995913,26cyclictest0-21swapper/123:46:591
2566999593,38cyclictest9745-21munin-node19:55:120
2566999593,36cyclictest755-21munin-node21:00:250
2566999592,49cyclictest5987-21latency_hist19:45:010
2566999592,48cyclictest13366-21munin-node20:05:200
25670995814,29cyclictest0-21swapper/119:54:001
25670995814,29cyclictest0-21swapper/100:20:581
25670995814,27cyclictest0-21swapper/120:17:591
25670995813,27cyclictest0-21swapper/121:26:001
25670995812,32cyclictest0-21swapper/119:15:591
269972570,2sleep127001-21ssh23:44:321
25670995714,29cyclictest0-21swapper/100:33:591
25670995713,30cyclictest0-21swapper/123:02:581
25670995713,30cyclictest0-21swapper/122:29:001
25670995712,31cyclictest0-21swapper/122:14:581
25670995711,32cyclictest0-21swapper/120:38:001
25670995710,32cyclictest0-21swapper/120:20:591
2566999575,46cyclictest0-21swapper/020:35:230
38082564,12sleep10-21swapper/119:36:151
2567099569,35cyclictest0-21swapper/122:57:591
25670995611,29cyclictest0-21swapper/122:00:581
236172564,12sleep10-21swapper/123:37:441
25670995512,26cyclictest0-21swapper/121:03:591
25670995511,35cyclictest0-21swapper/122:05:581
25670995511,31cyclictest0-21swapper/120:01:591
310212544,11sleep10-21swapper/120:52:491
2567099549,29cyclictest0-21swapper/121:40:591
25670995315,28cyclictest0-21swapper/100:12:581
25670995313,30cyclictest0-21swapper/121:36:591
25670995313,30cyclictest0-21swapper/121:36:591
25670995313,28cyclictest0-21swapper/121:24:591
25670995313,26cyclictest0-21swapper/100:03:581
25670995312,31cyclictest0-21swapper/123:31:581
61082524,12sleep10-21swapper/123:05:311
59112524,11sleep10-21swapper/121:11:051
25670995213,26cyclictest0-21swapper/122:21:581
25670995212,29cyclictest0-21swapper/120:32:001
247532524,11sleep10-21swapper/122:42:051
166752524,11sleep10-21swapper/120:13:331
147482524,12sleep10-21swapper/100:19:581
2567099489,29cyclictest0-21swapper/123:24:581
25670994613,26cyclictest0-21swapper/123:53:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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