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2025-12-03 - 05:11
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack9slot4.osadl.org (updated Wed Dec 03, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16179991223cyclictest6307-21latency_hist16:10:130
15904112265sleep0-21swapper/113:39:501
16179991183cyclictest2788-21df_inode14:40:280
161799911314cyclictest21089-21diskmemload18:55:060
161799911057cyclictest28611-21latency_hist14:20:100
16179991083cyclictest6128-21sh18:00:160
16179991077cyclictest0-21swapper/017:45:160
16179991073cyclictest11595-21chrt15:07:590
15910110673sleep0-21swapper/013:39:510
16179991043cyclictest74-21mmcqd/018:30:560
16179991036cyclictest0-21swapper/015:58:530
16179991023cyclictest14921-21latency_hist15:20:110
16179991016cyclictest31845-21/usr/sbin/munin14:30:390
16179991013cyclictest17112-21kworker/u4:013:50:280
16179991013cyclictest1030-21kernelversion18:45:470
16179991007cyclictest0-21swapper/018:55:570
16179991003cyclictest23822-21latency_hist17:35:160
16179991002cyclictest17868-21sh16:29:370
161799910017cyclictest0-21swapper/015:44:360
16179999912cyclictest30654-21sh18:40:470
16179999911cyclictest0-21swapper/016:15:250
1617999983cyclictest27067-21latency_hist15:50:120
16179999810cyclictest11945-21latency_hist18:10:160
1617999977cyclictest26809-21latency_hist17:40:160
1617999977cyclictest0-21swapper/018:17:570
1617999977cyclictest0-21swapper/016:41:000
1617999975cyclictest8996-21latency_hist18:05:160
1617999973cyclictest17946-21latency_hist17:25:150
1617999968cyclictest0-21swapper/016:15:120
1617999967cyclictest0-21swapper/018:25:460
1617999957cyclictest0-21swapper/018:10:210
1617999957cyclictest0-21swapper/016:53:320
1617999953cyclictest30693-21latency17:45:440
1617999947cyclictest0-21swapper/016:55:430
1617999947cyclictest0-21swapper/016:21:550
1617999947cyclictest0-21swapper/015:52:410
1617999939cyclictest0-21swapper/016:00:520
1617999929cyclictest0-21swapper/016:35:430
1617999928cyclictest0-21swapper/019:03:500
1617999927cyclictest0-21swapper/015:35:120
1617999925cyclictest18734-21if_eth118:20:460
1617999923cyclictest74-21mmcqd/017:55:160
16179999117cyclictest0-21swapper/013:45:480
1617999907cyclictest0-21swapper/018:35:520
1617999907cyclictest0-21swapper/017:28:410
1617999906cyclictest0-21swapper/017:20:060
1617999903cyclictest14791-21latency_hist19:10:180
1617999899cyclictest16261-21/usr/sbin/munin13:40:280
1617999898cyclictest0-21swapper/014:35:400
1617999896cyclictest0-21swapper/016:30:300
1617999896cyclictest0-21swapper/014:09:390
1617999887cyclictest0-21swapper/016:45:280
1617999887cyclictest0-21swapper/014:55:360
1617999886cyclictest0-21swapper/017:02:020
1617999878cyclictest0-21swapper/015:20:410
16179998778cyclictest5350irq/18-pch-dma15:04:010
1617999867cyclictest0-21swapper/017:07:080
1617999848cyclictest0-21swapper/017:15:040
16179998466cyclictest0-21swapper/014:25:270
1617999845cyclictest0-21swapper/015:25:460
16179998419cyclictest304-21snmpd15:39:300
1617999838cyclictest0-21swapper/014:00:200
1617999838cyclictest0-21swapper/014:00:200
1617999828cyclictest0-21swapper/013:55:420
1617999818cyclictest0-21swapper/014:20:450
1617999818cyclictest0-21swapper/014:20:450
6950800irq/18-mmc01619099cyclictest16:17:011
1619099809cyclictest0-21swapper/117:11:531
1617999808cyclictest0-21swapper/015:10:200
1617999803cyclictest480-21systemd-journal14:12:280
1617999797cyclictest0-21swapper/014:50:500
16179997829cyclictest0-21swapper/014:45:330
1619099699cyclictest0-21swapper/118:47:391
16190996910cyclictest0-21swapper/118:23:041
1619099689cyclictest0-21swapper/118:17:461
1619099689cyclictest0-21swapper/117:47:291
1619099689cyclictest0-21swapper/116:41:271
1619099689cyclictest0-21swapper/116:06:221
1619099689cyclictest0-21swapper/114:15:271
16190996810cyclictest0-21swapper/117:21:341
1619099679cyclictest0-21swapper/119:05:591
1619099679cyclictest0-21swapper/118:58:121
1619099679cyclictest0-21swapper/118:42:321
1619099679cyclictest0-21swapper/118:36:241
1619099679cyclictest0-21swapper/116:50:501
1619099679cyclictest0-21swapper/116:45:461
1619099679cyclictest0-21swapper/114:55:271
1619099679cyclictest0-21swapper/114:30:251
1619099678cyclictest0-21swapper/117:28:331
1619099669cyclictest0-21swapper/118:50:501
1619099669cyclictest0-21swapper/116:04:011
1619099669cyclictest0-21swapper/115:20:301
1619099669cyclictest0-21swapper/115:00:291
1619099669cyclictest0-21swapper/114:35:291
1619099669cyclictest0-21swapper/114:20:431
1619099669cyclictest0-21swapper/114:20:431
1619099668cyclictest0-21swapper/118:11:371
1619099668cyclictest0-21swapper/116:32:091
16190996610cyclictest0-21swapper/117:42:121
1619099659cyclictest0-21swapper/116:38:481
1619099659cyclictest0-21swapper/116:28:451
1619099659cyclictest0-21swapper/115:49:081
1619099658cyclictest0-21swapper/115:56:441
1619099648cyclictest0-21swapper/117:17:401
6950620irq/18-mmc01619099cyclictest19:00:481
33950600irq/43-eth01619099cyclictest15:30:241
6950590irq/18-mmc01619099cyclictest13:50:131
33950590irq/43-eth01571-21ssh16:55:531
33950590irq/43-eth013519-21aten_r9power_vo15:15:261
22150580irq/18-spi_topc25575-21latency_hist14:10:091
22150580irq/18-spi_topc0-21swapper/118:00:211
33950570irq/43-eth0326-21runrttasks17:59:211
1799570migration/121495-21/usr/sbin/munin13:55:331
33950560irq/43-eth07025-21ssh16:10:381
33950560irq/43-eth06870-21cut17:05:391
33950560irq/43-eth03610-21cpuspeed17:00:281
33950560irq/43-eth022740-21ssh15:41:251
1799560migration/12781-21/usr/sbin/munin14:40:271
7050550irq/18-mmc124976-21processes18:30:561
33950550irq/43-eth023144-21ssh17:33:171
33950550irq/43-eth013664-21ssh16:20:591
33950540irq/43-eth011129-21ssh18:07:551
1619099549cyclictest0-21swapper/118:25:351
16190995410cyclictest0-21swapper/113:40:221
33950530irq/43-eth027475-21df15:50:301
1799530migration/131738-21latency_hist14:30:091
1619099539cyclictest0-21swapper/114:45:301
1699530watchdog/124306-21diskstats17:35:351
33950520irq/43-eth010578-21diskstats15:05:301
1799520migration/124596-21/usr/sbin/munin14:05:341
1619099529cyclictest0-21swapper/115:25:361
1619099529cyclictest0-21swapper/115:10:321
1619099529cyclictest0-21swapper/114:50:271
1619099529cyclictest0-21swapper/114:00:421
1619099529cyclictest0-21swapper/114:00:421
1619099529cyclictest0-21swapper/113:45:261
1699520watchdog/1439-21aten2.4-expect17:50:271
1619099519cyclictest0-21swapper/115:35:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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