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2026-08-30 - 05:15
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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
Characteristics of the 100 highest latencies:
System rackcslot2.osadl.org (updated Sun Aug 30, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2586726855,8sleep10-21swapper/119:03:461
2626026654,8sleep00-21swapper/019:07:510
26459993535,0cyclictest0-21swapper/123:03:411
26459993528,7cyclictest0-21swapper/119:54:501
26459993510,24cyclictest0-21swapper/120:01:041
26458993129,1cyclictest0-21swapper/000:13:120
2645899300,0cyclictest0-21swapper/019:44:540
26458992919,4cyclictest0-21swapper/023:27:050
2645899290,1cyclictest0-21swapper/019:38:120
26459992710,12cyclictest0-21swapper/122:31:231
2645999270,2cyclictest0-21swapper/121:32:571
26458992725,1cyclictest770-21irqbalance22:28:020
26458992710,14cyclictest0-21swapper/023:07:310
2645899270,5cyclictest18988-21/usr/sbin/munin22:08:220
26459992616,10cyclictest0-21swapper/119:27:341
26459992610,9cyclictest0-21swapper/122:24:341
2645999260,25cyclictest0-21swapper/123:58:151
26458992620,5cyclictest22815-21ssh22:13:510
26458992510,6cyclictest0-21swapper/000:32:590
26458992510,4cyclictest0-21swapper/021:52:310
26458992510,1cyclictest0-21swapper/022:54:190
26458992510,1cyclictest0-21swapper/020:23:190
26459992421,2cyclictest22266-21df_inode23:48:121
26459992410,2cyclictest0-21swapper/123:43:181
26459992410,2cyclictest0-21swapper/122:18:591
2645999240,1cyclictest0-21swapper/122:38:511
2645899240,22cyclictest0-21swapper/000:21:250
2645999235,9cyclictest0-21swapper/122:13:161
2645999232,4cyclictest0-21swapper/121:49:491
26459992320,2cyclictest17564-21ssh23:40:421
2645999231,5cyclictest0-21swapper/100:06:331
26459992313,4cyclictest0-21swapper/121:46:261
2645999231,2cyclictest0-21swapper/123:09:261
26459992310,7cyclictest0-21swapper/123:28:111
26459992310,2cyclictest0-21swapper/123:56:461
26458992321,1cyclictest636-21nscd22:48:330
2645999223,16cyclictest0-21swapper/122:53:141
26459992222,0cyclictest0-21swapper/120:38:431
2645999222,0cyclictest0-21swapper/122:05:361
2645999221,8cyclictest0-21swapper/100:22:221
2645999221,11cyclictest0-21swapper/121:23:211
26459992210,3cyclictest0-21swapper/121:17:011
26459992210,3cyclictest0-21swapper/119:08:171
26459992210,2cyclictest0-21swapper/119:33:121
26459992210,10cyclictest0-21swapper/121:09:181
2645999220,3cyclictest0-21swapper/121:20:131
26458992221,1cyclictest0-21swapper/021:56:470
26458992212,3cyclictest636-21nscd22:40:460
26458992210,7cyclictest0-21swapper/022:00:460
26458992210,7cyclictest0-21swapper/021:28:240
26458992210,6cyclictest0-21swapper/023:41:060
26458992210,6cyclictest0-21swapper/022:47:570
2645999213,2cyclictest0-21swapper/123:18:181
26459992121,0cyclictest0-21swapper/122:45:571
26459992110,9cyclictest0-21swapper/123:33:241
26459992110,3cyclictest0-21swapper/123:14:241
2645899217,10cyclictest0-21swapper/023:08:130
2645899215,6cyclictest7647-21diskmemload22:03:150
26458992110,7cyclictest0-21swapper/020:58:140
26458992110,4cyclictest0-21swapper/022:33:120
26458992110,0cyclictest0-21swapper/023:19:290
26458992110,0cyclictest0-21swapper/022:18:030
426822010,0sleep10-21swapper/122:33:531
3115322010,1sleep10-21swapper/121:39:521
2645999209,2cyclictest100350irq/108-eth1-tx22:58:241
2645999207,8cyclictest0-21swapper/119:13:151
2645999204,8cyclictest16333-21munin-run22:53:021
2645999204,10cyclictest0-21swapper/121:33:221
2645999203,10cyclictest10128-21/usr/sbin/munin19:48:171
26459992018,1cyclictest27534-21munin-node23:23:131
26459992016,4cyclictest9937-21apache219:22:211
26459992010,8cyclictest0-21swapper/100:12:041
26459992010,5cyclictest0-21swapper/122:00:351
26459992010,5cyclictest0-21swapper/100:16:261
2645899206,5cyclictest636-21nscd00:10:030
2645899202,12cyclictest0-21swapper/019:18:130
26458992019,0cyclictest9964-21apache200:01:540
26458992019,0cyclictest7-21ksoftirqd/023:03:020
26458992016,1cyclictest0-21swapper/021:37:430
26458992015,3cyclictest10050irq/110-ahci[0023:55:180
2645899201,4cyclictest0-21swapper/023:31:300
26458992010,8cyclictest0-21swapper/021:41:260
26458992010,6cyclictest0-21swapper/023:13:300
26458992010,6cyclictest0-21swapper/020:42:450
26458992010,4cyclictest0-21swapper/021:23:120
26458992010,4cyclictest0-21swapper/020:48:220
26458992010,3cyclictest0-21swapper/022:23:130
2201222010,0sleep10-21swapper/100:34:481
2645999194,9cyclictest0-21swapper/120:53:171
26459991912,3cyclictest0-21swapper/119:43:191
26459991910,3cyclictest0-21swapper/120:58:151
26459991910,3cyclictest0-21swapper/119:38:151
2645899198,8cyclictest0-21swapper/019:33:170
2645899198,7cyclictest636-21nscd19:27:070
26458991917,1cyclictest26456-21cyclictest21:20:410
26458991914,3cyclictest0-21swapper/021:08:130
26458991910,5cyclictest0-21swapper/000:03:220
2645999186,6cyclictest0-21swapper/121:03:131
2645999186,6cyclictest0-21swapper/121:03:131
2645999185,3cyclictest1199-21runrttasks00:32:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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