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2025-11-17 - 19:27
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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 Mon Nov 17, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14326995525,528cyclictest0-21swapper/007:50:220
138462483460,16sleep00-21swapper/007:05:310
1432799434418,11cyclictest0-21swapper/107:10:061
142062228206,15sleep10-21swapper/107:09:111
82962810,2sleep1251rcuc/110:30:121
1432699782,45cyclictest18797-21ssh09:51:200
306802770,2sleep1251rcuc/107:55:001
1432699772,69cyclictest11118-21grep12:25:260
14326997711,59cyclictest14508-21latency_hist08:40:020
14327997557,12cyclictest0-21swapper/107:22:491
1432699753,65cyclictest11872-21ntp_states10:35:230
1432699742,66cyclictest3086-21sensors11:15:280
1432699742,65cyclictest65952chrt12:18:310
1432699742,48cyclictest31315-21sa109:20:010
1432699722,63cyclictest20195-21munin-node09:55:160
1432699722,55cyclictest15166-21interrupts08:40:170
1432699722,47cyclictest26488-21sh11:55:320
1432699713,60cyclictest8837-21memory10:30:200
14326997126,30cyclictest78950irq/46-eth0-tx-12:05:270
1432699712,45cyclictest15829-21ssh10:42:090
1432699703,61cyclictest17704-21ssh12:37:390
1432699702,62cyclictest7356-21ssh09:32:480
1432699702,61cyclictest9889-21latency_hist12:25:010
1432699702,61cyclictest25348-21diskmemload11:25:290
1432699702,61cyclictest21685-21munin-node07:30:210
1432699702,61cyclictest13859-21ssh09:44:070
14326997019,45cyclictest78950irq/46-eth0-tx-12:32:300
1432699697,56cyclictest25348-21diskmemload11:39:230
14326996920,34cyclictest78950irq/46-eth0-tx-09:29:230
1432699692,60cyclictest21462-21sh10:51:260
1432699692,45cyclictest3098-21ssh12:11:260
1432699692,44cyclictest6927-21ssh10:26:360
1432699692,44cyclictest1757-21ssh10:18:390
1432699692,44cyclictest11279-21ssh09:40:010
1432699692,39cyclictest17136-21iostat11:40:190
1432699692,38cyclictest1907-21ssh11:15:010
1432699692,37cyclictest7722-21latency_hist11:25:010
216899680,4rtkit-daemon2167-21rtkit-daemon10:05:210
1432799682,7cyclictest3816-21latency_hist08:10:001
14326996829,33cyclictest78950irq/46-eth0-tx-10:00:220
1432699682,59cyclictest2771-21df_inode10:20:160
1432699682,59cyclictest0-21swapper/010:57:120
1432699682,51cyclictest1581-21ssh09:23:500
38232670,4sleep13822-21ssh11:16:511
1432799675,56cyclictest0-21swapper/112:11:121
1432799673,57cyclictest28777-21munin-node12:00:211
1432799672,58cyclictest652-21munin-node08:00:201
1432699672,59cyclictest25413-21latency_hist09:10:020
1432699672,58cyclictest17899-21runrttasks07:19:480
14326996719,42cyclictest78950irq/46-eth0-tx-11:00:160
14326996719,42cyclictest78950irq/46-eth0-tx-11:00:160
14326996714,37cyclictest31555-21ssh10:14:510
1432799665,47cyclictest0-21swapper/108:14:061
1432799662,7cyclictest13431-21taskset09:42:531
1432799662,58cyclictest6507-21munin-node08:15:281
1432799662,58cyclictest6507-21munin-node08:15:271
1432699663,56cyclictest28741-21idleruntime-cro07:50:010
1432699663,50cyclictest27080-21ssh09:11:420
1432699663,39cyclictest29175-21iostat11:05:190
14326996621,39cyclictest78950irq/46-eth0-tx-11:50:380
1432699662,44cyclictest14845-21ssh09:45:190
1432699662,42cyclictest11391-21latency11:30:210
1432699662,39cyclictest25137-21munin-run07:40:010
1432799656,53cyclictest0-21swapper/109:30:101
1432799654,47cyclictest0-21swapper/109:57:391
1432799653,55cyclictest78850irq/45-eth0-rx-11:50:301
1432799653,55cyclictest29286-21proc_pri09:15:251
1432799652,56cyclictest28708-21munin-node11:05:131
14327996514,44cyclictest1945-21Xorg08:37:591
1432699652,56cyclictest19490-21ssh11:45:130
1432699652,56cyclictest18382-21ssh10:45:500
1432699652,56cyclictest16468-21munin-node08:45:280
1432799645,53cyclictest0-21swapper/110:17:431
1432799643,54cyclictest26331-21munin-node11:00:221
1432799643,54cyclictest26331-21munin-node11:00:211
1432799642,7cyclictest233242sleep109:02:531
1432799642,55cyclictest6253-21munin-node10:25:261
1432799642,45cyclictest11143-21munin-node11:30:181
1432699643,38cyclictest23543-21munin-run09:05:010
1432699642,56cyclictest29551-21rm12:01:060
1432799636,47cyclictest25862-21memory11:55:201
1432799634,53cyclictest0-21swapper/112:15:591
1432799634,53cyclictest0-21swapper/112:09:131
1432799634,41cyclictest16054-21ssh12:35:191
1432799633,51cyclictest25138-21ls07:40:001
1432799632,8cyclictest78850irq/45-eth0-rx-09:53:011
1432799632,7cyclictest10065-21ssh11:28:201
1432799632,55cyclictest18996-21runrttasks10:47:451
1432799632,53cyclictest28716-21crond10:10:001
14327996313,44cyclictest6083-21munin-node11:20:261
14327996311,46cyclictest31502-21sh11:10:081
1432699633,38cyclictest4575-21ntp_states08:10:230
1432699632,54cyclictest5910-21df_abs08:15:200
1432699632,54cyclictest5910-21df_abs08:15:200
1432699632,54cyclictest3680-21latency_hist08:10:010
1432699632,54cyclictest11576-21munin-node08:30:200
1432799625,51cyclictest0-21swapper/112:20:271
1432799625,51cyclictest0-21swapper/110:59:351
1432799624,52cyclictest0-21swapper/110:03:211
1432799623,52cyclictest31769-21munin-node09:20:171
1432799623,52cyclictest18271-21munin-node08:50:271
1432799622,9cyclictest28738-21latency_hist07:50:001
1432799622,8cyclictest3870-21ssh09:26:321
1432799622,7cyclictest14538-21ssh12:31:411
14327996213,43cyclictest78850irq/45-eth0-rx-10:40:251
14327996211,45cyclictest10663-21sh09:38:361
14327996210,45cyclictest13761-21aten2.4-expect11:35:131
1432699625,47cyclictest0-21swapper/008:00:060
1432699623,52cyclictest19044-21munin-node08:50:230
1432699622,53cyclictest32350-21sh08:00:000
1432799614,48cyclictest17230-21memory11:40:201
1432799613,52cyclictest47-21kswapd010:53:181
1432799613,51cyclictest15041-21munin-node09:45:221
1432799613,51cyclictest11943-21munin-node08:30:251
14327996112,42cyclictest10548-21sed12:25:181
14327996110,45cyclictest28738-21latency_hist07:50:011
1432699613,52cyclictest18120-21aten_r1power_en07:20:120
1432699612,52cyclictest25293-21munin-node07:40:240
1432699612,52cyclictest14470-21munin-node07:10:130
1432699612,38cyclictest20071-21munin-node08:55:290
1432799606,48cyclictest0-21swapper/108:20:201
1432799604,50cyclictest0-21swapper/110:23:131
1432799603,7cyclictest22247-21sort07:30:201
1432799603,50cyclictest29646-21munin-node10:10:251
1432799603,50cyclictest20378-21processes11:45:241
1432799602,8cyclictest20685-21missed_timers08:55:211
1432799602,51cyclictest9258-21munin-node08:25:131
1432799602,51cyclictest21155-21runrttasks07:26:221
14327996012,42cyclictest18239-21latency_hist08:50:021
1432699603,37cyclictest19881-21munin-node07:25:190
1432799596,47cyclictest15235-21munin-node08:40:181
1432799595,47cyclictest16645-21munin-node07:15:161
1432799594,49cyclictest11348-21munin-node10:35:151
1432699592,41cyclictest10853-21chrt08:29:360
1432699592,38cyclictest7447-21munin-node08:20:260
1432799583,49cyclictest23707-21munin-node09:05:141
1432799582,7cyclictest26594-21runrttasks07:41:361
1432799582,7cyclictest25538-21munin-node09:10:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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