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2025-03-22 - 16:39
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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 Sat Mar 22, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10762994352,6cyclictest1533-21strings08:15:221
106312411393,12sleep10-21swapper/107:09:051
1076199397301,83cyclictest0-21swapper/008:15:220
1076199382306,69cyclictest0-21swapper/007:10:140
216899950,13rtkit-daemon0-21swapper/008:42:240
1076299864,46cyclictest0-21swapper/107:10:131
10761998571,9cyclictest0-21swapper/012:24:580
216899840,4rtkit-daemon2167-21rtkit-daemon11:10:000
10762998112,61cyclictest0-21swapper/109:12:591
216899800,3rtkit-daemon2167-21rtkit-daemon07:51:271
10762998014,48cyclictest0-21swapper/111:00:581
10761997829,43cyclictest0-21swapper/010:22:050
10761997829,43cyclictest0-21swapper/010:22:050
216899760,4rtkit-daemon2167-21rtkit-daemon11:11:101
10761997621,41cyclictest78950irq/46-eth0-tx-10:32:330
216899750,4rtkit-daemon2167-21rtkit-daemon09:55:190
1076199753,65cyclictest7507-21ssh11:49:050
10761997525,45cyclictest78950irq/46-eth0-tx-12:15:290
10761997411,57cyclictest0-21swapper/008:12:010
10761997322,46cyclictest0-21swapper/010:15:300
152212720,2sleep1271ktimersoftd/110:00:131
10762997215,38cyclictest0-21swapper/111:45:581
10761997250,17cyclictest0-21swapper/011:50:240
1076199722,63cyclictest13756-21ssh12:00:110
1076199717,51cyclictest78950irq/46-eth0-tx-09:44:170
10761997127,33cyclictest8250irq/14-pata_sch08:10:000
10761997122,43cyclictest78950irq/46-eth0-tx-11:32:540
10761997119,45cyclictest78950irq/46-eth0-tx-11:24:490
10762997021,31cyclictest0-21swapper/108:59:591
10761997043,22cyclictest0-21swapper/010:53:200
10761997019,44cyclictest78950irq/46-eth0-tx-11:37:050
10761997016,48cyclictest78950irq/46-eth0-tx-10:45:470
216899690,3rtkit-daemon2167-21rtkit-daemon10:11:550
10761996934,28cyclictest0-21swapper/009:35:210
10761996930,32cyclictest0-21swapper/009:10:320
1076199692,59cyclictest12217-21latency_hist08:50:010
10761996919,38cyclictest78950irq/46-eth0-tx-10:08:200
10761996910,38cyclictest0-21swapper/011:40:150
216899680,4rtkit-daemon2167-21rtkit-daemon10:36:510
10762996812,38cyclictest0-21swapper/108:51:001
10761996847,16cyclictest0-21swapper/011:15:470
1076199683,34cyclictest9298-21ssh09:50:100
1076199682,59cyclictest19449-21diskmemload10:25:250
1076199682,44cyclictest1217-21ssh12:38:500
10761996819,42cyclictest78950irq/46-eth0-tx-10:01:080
10761996816,45cyclictest78950irq/46-eth0-tx-10:57:470
10762996714,34cyclictest0-21swapper/107:31:001
1076199675,57cyclictest0-21swapper/011:27:110
10761996744,16cyclictest0-21swapper/009:16:550
10761996738,22cyclictest0-21swapper/007:24:450
1076199673,56cyclictest29491-21latency08:00:200
1076199673,40cyclictest19892-21ssh12:11:380
1076199672,56cyclictest23361-21runrttasks07:45:000
1076199672,47cyclictest742-21lldpad12:33:190
1076199672,47cyclictest1427-21runrttasks09:27:010
1076199672,41cyclictest27879-21ssh12:28:440
10761996717,43cyclictest0-21swapper/011:12:370
10761996715,46cyclictest78950irq/46-eth0-tx-12:09:200
10761996643,17cyclictest0-21swapper/011:55:210
10761996637,23cyclictest0-21swapper/009:30:090
1076199662,39cyclictest27268-21ssh09:21:330
1076199662,39cyclictest15937-21ssh11:00:420
10761996617,37cyclictest78950irq/46-eth0-tx-10:41:000
10762996517,31cyclictest0-21swapper/108:44:591
10762996515,32cyclictest0-21swapper/111:20:591
10762996514,36cyclictest0-21swapper/112:04:591
10761996525,34cyclictest78950irq/46-eth0-tx-09:05:250
1076199652,57cyclictest6321-21munin-node08:30:320
1076199652,55cyclictest19916-21munin-node07:35:290
10762996415,33cyclictest0-21swapper/111:19:581
10762996414,33cyclictest0-21swapper/107:20:001
10762996414,31cyclictest0-21swapper/109:09:001
10762996410,35cyclictest0-21swapper/110:48:001
10761996422,25cyclictest78950irq/46-eth0-tx-09:48:450
1076199642,42cyclictest5319-21munin-node08:25:240
10762996317,31cyclictest0-21swapper/111:25:581
10762996316,31cyclictest0-21swapper/108:37:591
10762996311,29cyclictest0-21swapper/110:58:581
1076199632,55cyclictest16137-21cpu09:00:140
10761996312,41cyclictest27086-21latency_hist07:55:020
1060126321,29sleep00-21swapper/007:08:460
10762996214,32cyclictest0-21swapper/108:47:001
10762996212,33cyclictest0-21swapper/112:14:581
10761996223,32cyclictest78950irq/46-eth0-tx-08:59:340
10761996222,34cyclictest78950irq/46-eth0-tx-07:15:120
10762996115,29cyclictest0-21swapper/109:01:591
10762996115,29cyclictest0-21swapper/108:22:001
10762996113,32cyclictest0-21swapper/107:46:591
10762996110,33cyclictest0-21swapper/107:25:591
10761996139,16cyclictest0-21swapper/007:55:250
10761996126,29cyclictest78950irq/46-eth0-tx-08:20:180
1076199612,53cyclictest24251-21ntpq07:45:220
10762996014,29cyclictest0-21swapper/110:37:591
10762996013,31cyclictest0-21swapper/111:35:581
10762996012,32cyclictest0-21swapper/108:06:591
10762996011,35cyclictest0-21swapper/110:51:591
10762996011,34cyclictest0-21swapper/108:01:001
10762996010,31cyclictest0-21swapper/107:36:591
10762995914,30cyclictest0-21swapper/108:25:591
10762995912,32cyclictest0-21swapper/112:25:581
10762995911,33cyclictest0-21swapper/112:05:581
10762995911,32cyclictest0-21swapper/110:31:591
1076199593,49cyclictest1067-21snmpd07:30:090
1076199592,51cyclictest13669-21ksmtuned08:51:360
1076199592,50cyclictest17079-21open_inodes07:25:230
8292584,12sleep10-21swapper/109:34:291
299372584,12sleep10-21swapper/112:31:141
10762995819,24cyclictest0-21swapper/110:22:591
10762995819,24cyclictest0-21swapper/110:22:591
10762995814,27cyclictest0-21swapper/108:31:591
10762995811,33cyclictest0-21swapper/109:29:591
1076199582,35cyclictest8118-21munin-node08:35:200
271812574,12sleep10-21swapper/109:21:171
105272574,12sleep10-21swapper/111:54:351
52832564,12sleep10-21swapper/110:40:301
10762995616,26cyclictest0-21swapper/108:12:001
10762995614,29cyclictest0-21swapper/112:37:581
10762995612,31cyclictest0-21swapper/109:47:591
10762995612,31cyclictest0-21swapper/107:23:001
136672554,12sleep10-21swapper/109:56:031
10762995515,26cyclictest0-21swapper/107:44:001
10762995513,29cyclictest0-21swapper/109:42:591
10762995414,30cyclictest0-21swapper/112:19:581
10762995412,28cyclictest0-21swapper/107:58:591
10762995411,30cyclictest0-21swapper/112:22:591
10762995411,28cyclictest0-21swapper/109:55:001
10762995410,30cyclictest0-21swapper/111:56:581
294422534,12sleep10-21swapper/110:27:361
26692535,12sleep10-21swapper/109:35:351
238562534,12sleep10-21swapper/109:15:321
10762995317,30cyclictest0-21swapper/111:31:591
243752524,12sleep10-21swapper/110:16:281
10762995212,29cyclictest0-21swapper/110:13:591
10762995112,27cyclictest0-21swapper/111:09:591
10762994712,26cyclictest0-21swapper/111:40:581
181822442,7sleep118187-21ssh10:05:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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