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2024-07-16 - 08:26
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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 the highest latencies:
System rack1slot8.osadl.org (updated Tue Jul 16, 2024 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154272951928,14sleep10-21swapper/119:05:541
1587199860790,62cyclictest0-21swapper/019:10:030
1587299853781,49cyclictest0-21swapper/119:10:041
1587199837748,66cyclictest0-21swapper/020:25:240
1587299814717,62cyclictest11461-21strings20:25:241
52602980,4sleep05264-21head00:15:200
290882850,4sleep029092-21cut19:45:220
227799780,3rtkit-daemon2276-21rtkit-daemon21:36:210
1587199772,60cyclictest26888-21diskmemload23:40:360
1587299752,66cyclictest21305-21latency_hist19:25:021
1587199742,56cyclictest15366-21ssh00:32:090
1587199742,55cyclictest22469-21latency_hist23:50:020
1587199733,42cyclictest10394-21ssh22:31:380
1587199732,64cyclictest351-21ssh00:06:110
1587199732,55cyclictest8824-21latency_hist20:20:000
15871997315,51cyclictest88450irq/46-eth0-tx-22:15:500
1587199724,53cyclictest0-21swapper/020:40:240
1587199724,53cyclictest0-21swapper/019:24:220
1587199723,63cyclictest29291-21latency_hist22:10:000
1587199723,63cyclictest26888-21diskmemload21:40:310
15871997216,50cyclictest88450irq/46-eth0-tx-22:56:590
1587199715,51cyclictest0-21swapper/023:30:080
1587199714,53cyclictest0-21swapper/000:14:580
1587199714,41cyclictest10633-21munin-run20:25:010
1587199713,46cyclictest13121-21ssh00:29:140
1587199713,45cyclictest9949-21ssh23:26:550
1587199712,63cyclictest17621-21latency_hist21:50:000
15871997117,48cyclictest88450irq/46-eth0-tx-23:02:310
15871997117,48cyclictest88450irq/46-eth0-tx-21:15:250
227799700,3rtkit-daemon2276-21rtkit-daemon19:06:330
1587199707,57cyclictest0-21swapper/023:17:130
1587199706,57cyclictest26797-21vmstat23:55:330
1587199705,58cyclictest0-21swapper/022:54:100
1587199704,60cyclictest14251-21ssh22:39:390
1587199703,62cyclictest5864-21munin-node22:25:080
15871997027,29cyclictest88450irq/46-eth0-tx-22:20:200
1587199702,62cyclictest18723-21sh21:50:320
1587199702,52cyclictest15975-21ssh22:41:000
1587199702,47cyclictest22822-21ssh21:58:050
15871997017,47cyclictest88450irq/46-eth0-tx-00:02:160
15871997017,38cyclictest88450irq/46-eth0-tx-22:47:560
15871997016,49cyclictest88450irq/46-eth0-tx-00:24:290
15871997015,49cyclictest88450irq/46-eth0-tx-21:21:240
1587199693,60cyclictest26888-21diskmemload21:30:380
1587199693,60cyclictest15702-21ssh23:36:530
1587199693,44cyclictest25693-21ssh22:02:530
1587199692,61cyclictest32226-21ssh23:10:190
1587199692,60cyclictest19016-21ssh00:39:230
15871996913,50cyclictest88450irq/46-eth0-tx-21:11:550
15871996910,53cyclictest31089-21ssh22:11:370
1587199684,57cyclictest6988-21ssh23:21:410
1587199683,46cyclictest25231-21munin-node21:05:100
1587299672,59cyclictest9966-21sh00:23:241
1587199676,54cyclictest3410-21ssh21:25:100
1587199674,58cyclictest0-21swapper/020:03:230
1587199674,57cyclictest30309-21ssh23:05:430
1587199672,59cyclictest1525-21runrttasks19:44:020
1587199672,49cyclictest21533-21ssh23:47:040
1587299662,48cyclictest8744-21latency_hist22:30:011
1587199663,38cyclictest5225-21munin-run20:10:000
1587299655,53cyclictest0-21swapper/121:55:551
1587299652,46cyclictest31911-21sh22:14:101
1587299652,44cyclictest28961-21sh21:12:441
1587199654,44cyclictest0-21swapper/020:49:230
1587199653,40cyclictest32249-21munin-node19:55:350
1587199652,39cyclictest7029-21munin-run20:15:010
1587299645,53cyclictest0-21swapper/121:19:111
1587299642,55cyclictest4977-21runrttasks20:07:371
1587299642,55cyclictest1525-21runrttasks21:01:291
1587299642,43cyclictest88350irq/45-eth0-rx-00:15:181
15872996412,32cyclictest12283-21rm00:26:371
1587199643,36cyclictest21922-21df_inode20:55:160
1587199642,55cyclictest19464-21latency_hist19:20:020
1587299632,55cyclictest32690-21sh21:20:031
1587299632,55cyclictest15245-21sh21:45:161
1587299632,54cyclictest6525-21memory22:25:221
1587199633,38cyclictest12588-21munin-node20:30:180
1587299623,52cyclictest10938-21munin-run23:30:011
1587299622,54cyclictest88350irq/45-eth0-rx-21:32:421
1587299622,54cyclictest6271-21sendmail_mailst20:10:301
1587299622,54cyclictest3173-21cpuspeed22:20:151
1587299622,54cyclictest18345-21sh00:37:201
1587299622,53cyclictest9250-21ssh21:35:111
1587299622,53cyclictest1525-21runrttasks20:37:271
1587299622,38cyclictest17479-21ksmtuned20:41:211
1587199627,47cyclictest0-21swapper/021:00:120
1587199626,35cyclictest0-21swapper/019:30:180
1587199623,52cyclictest30442-21munin-node19:50:100
1587199622,54cyclictest21303-21chrt20:53:290
1587299612,53cyclictest88350irq/45-eth0-rx-21:52:451
1587299612,53cyclictest21455-21latency_hist20:55:021
1587299612,52cyclictest3578-21munin-node23:15:371
1587299612,52cyclictest32508-21aten_r1power_vo22:15:161
1587299612,51cyclictest29098-21munin-node19:45:211
1587199613,38cyclictest25029-21munin-node19:35:190
1587199612,39cyclictest14392-21munin-node20:35:240
1587299608,36cyclictest88350irq/45-eth0-rx-00:01:191
1587299604,50cyclictest0-21swapper/122:06:461
1587299603,50cyclictest31510-21ssh00:05:141
1587299602,52cyclictest27158-21munin-node19:40:181
1587299602,52cyclictest24448-21sshd19:30:451
1587299602,51cyclictest88350irq/45-eth0-rx-23:32:111
1587299602,51cyclictest31699-21munin-run23:10:011
1587299592,51cyclictest629-21processes19:55:381
1587299592,51cyclictest22679-21runrttasks19:26:071
1587299592,51cyclictest2045-21runrttasks23:14:211
1587299592,51cyclictest16853-21sshd22:43:431
1587299592,51cyclictest14949-21munin-node23:35:331
1587299592,51cyclictest14163-21sh21:43:111
1587299592,50cyclictest7178-21munin-node20:15:121
1587299592,50cyclictest23949-21munin-node23:50:381
1587299592,50cyclictest23463-21df22:55:161
1587299592,50cyclictest13349-21munin-node20:30:291
1587299592,49cyclictest26485-21munin-node23:55:301
1587299592,42cyclictest18844-21ssh23:42:411
1587299592,39cyclictest9430-21idleruntime20:20:181
1587199594,50cyclictest0-21swapper/019:29:230
227799580,4rtkit-daemon2276-21rtkit-daemon00:31:301
1587299583,49cyclictest12323-21memory22:35:231
1587299582,50cyclictest88350irq/45-eth0-rx-21:25:571
1587299582,50cyclictest32153-21latency_hist19:55:011
1587299582,50cyclictest20509-21munin-node23:45:301
1587299582,50cyclictest18557-21munin-node20:45:201
1587299582,49cyclictest23917-21df22:00:161
1587299582,49cyclictest21092-21munin-node22:50:261
1587299582,49cyclictest18303-21munin-node19:15:201
1587299575,46cyclictest0-21swapper/100:11:291
1587299573,48cyclictest17438-21munin-node22:45:361
1587299572,49cyclictest25792-21munin-node19:35:301
1587299572,49cyclictest25395-21cpu21:05:131
1587299572,49cyclictest2509-21munin-node20:00:311
1587299572,48cyclictest26667-21ssh23:00:221
15872995716,35cyclictest6158-21ssh23:20:291
1587299571,50cyclictest22361-21munin-node20:55:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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