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2025-11-19 - 16:47
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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 rack6slot2.osadl.org (updated Wed Nov 19, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196142850,0sleep019612-22grep08:12:340
2992224717,8sleep10-21swapper/106:58:381
302492408,25sleep00-21swapper/007:01:550
30339993932,6cyclictest245950irq/16-enp2s0f009:07:330
30339993931,7cyclictest245950irq/16-enp2s0f010:27:340
30339993931,7cyclictest245950irq/16-enp2s0f009:57:360
30339993931,7cyclictest245950irq/16-enp2s0f008:07:320
30339993931,7cyclictest245950irq/16-enp2s0f007:52:310
30339993832,6cyclictest245950irq/16-enp2s0f011:07:330
30339993832,5cyclictest245950irq/16-enp2s0f011:54:430
30339993831,6cyclictest245950irq/16-enp2s0f011:47:300
30339993830,7cyclictest245950irq/16-enp2s0f012:27:280
30339993830,7cyclictest245950irq/16-enp2s0f010:07:340
30339993830,7cyclictest245950irq/16-enp2s0f008:17:290
30339993830,7cyclictest245950irq/16-enp2s0f008:00:490
30339993732,4cyclictest245950irq/16-enp2s0f010:04:230
30339993731,5cyclictest245950irq/16-enp2s0f010:37:260
30339993731,5cyclictest245950irq/16-enp2s0f009:04:120
30339993731,5cyclictest245950irq/16-enp2s0f007:47:330
30339993731,5cyclictest245950irq/16-enp2s0f007:42:330
30339993730,6cyclictest245950irq/16-enp2s0f011:30:430
30339993730,6cyclictest245950irq/16-enp2s0f008:22:330
30339993730,6cyclictest245950irq/16-enp2s0f007:27:360
30339993729,7cyclictest245950irq/16-enp2s0f011:17:280
30339993632,3cyclictest245950irq/16-enp2s0f008:55:100
30339993632,3cyclictest245950irq/16-enp2s0f008:27:310
30339993631,4cyclictest245950irq/16-enp2s0f012:12:330
30339993631,4cyclictest245950irq/16-enp2s0f011:37:310
30339993631,4cyclictest245950irq/16-enp2s0f011:22:320
30339993631,4cyclictest245950irq/16-enp2s0f010:52:300
30339993631,4cyclictest245950irq/16-enp2s0f010:42:310
30339993631,4cyclictest245950irq/16-enp2s0f008:42:270
30339993631,4cyclictest245950irq/16-enp2s0f007:22:340
30339993631,4cyclictest245950irq/16-enp2s0f007:10:310
30339993630,5cyclictest245950irq/16-enp2s0f012:04:450
30339993630,5cyclictest245950irq/16-enp2s0f011:44:420
30339993630,5cyclictest245950irq/16-enp2s0f011:34:400
30339993630,5cyclictest245950irq/16-enp2s0f011:02:310
30339993630,5cyclictest245950irq/16-enp2s0f009:17:260
30339993630,5cyclictest245950irq/16-enp2s0f008:02:280
30339993629,6cyclictest245950irq/16-enp2s0f010:57:330
30339993629,6cyclictest245950irq/16-enp2s0f009:25:220
30339993629,6cyclictest245950irq/16-enp2s0f008:47:350
30339993628,7cyclictest245950irq/16-enp2s0f010:32:270
30340993533,1cyclictest167950irq/16-i91512:17:271
30339993532,2cyclictest245950irq/16-enp2s0f012:10:570
30339993532,2cyclictest245950irq/16-enp2s0f009:42:370
30339993531,4cyclictest245950irq/16-enp2s0f011:12:320
30339993531,3cyclictest245950irq/16-enp2s0f009:32:280
30339993531,3cyclictest245950irq/16-enp2s0f008:32:360
30339993531,3cyclictest245950irq/16-enp2s0f007:12:270
30339993530,5cyclictest245950irq/16-enp2s0f012:17:320
30339993530,4cyclictest245950irq/16-enp2s0f009:52:300
30339993530,4cyclictest245950irq/16-enp2s0f007:33:490
30339993528,6cyclictest245950irq/16-enp2s0f007:17:280
30339993527,7cyclictest245950irq/16-enp2s0f009:37:320
30340993432,1cyclictest167950irq/16-i91511:57:271
30340993432,1cyclictest167950irq/16-i91510:52:281
30339993432,2cyclictest245950irq/16-enp2s0f010:47:410
30339993431,3cyclictest245950irq/16-enp2s0f009:47:180
30339993431,3cyclictest245950irq/16-enp2s0f009:12:320
30339993431,2cyclictest245950irq/16-enp2s0f010:22:220
30339993431,2cyclictest245950irq/16-enp2s0f010:20:080
30339993431,2cyclictest167950irq/16-i91508:37:290
30339993430,3cyclictest245950irq/16-enp2s0f007:02:250
30339993429,4cyclictest245950irq/16-enp2s0f007:37:290
30339993428,6cyclictest245950irq/16-enp2s0f012:22:310
30339993428,5cyclictest245950irq/16-enp2s0f009:27:280
30339993427,6cyclictest245950irq/16-enp2s0f010:12:290
30340993333,0cyclictest167950irq/16-i91509:40:261
30340993332,0cyclictest245950irq/16-enp2s0f010:03:481
30340993332,0cyclictest245950irq/16-enp2s0f009:32:301
30340993332,0cyclictest245950irq/16-enp2s0f008:05:141
30340993332,0cyclictest167950irq/16-i91512:30:521
30340993332,0cyclictest167950irq/16-i91512:12:291
30340993332,0cyclictest167950irq/16-i91512:09:461
30340993332,0cyclictest167950irq/16-i91511:52:281
30340993332,0cyclictest167950irq/16-i91511:42:331
30340993332,0cyclictest167950irq/16-i91511:27:281
30340993332,0cyclictest167950irq/16-i91511:25:181
30340993332,0cyclictest167950irq/16-i91511:14:371
30340993332,0cyclictest167950irq/16-i91511:02:271
30340993332,0cyclictest167950irq/16-i91510:37:261
30340993332,0cyclictest167950irq/16-i91510:32:051
30340993332,0cyclictest167950irq/16-i91509:59:221
30340993332,0cyclictest167950irq/16-i91509:54:311
30340993332,0cyclictest167950irq/16-i91509:47:311
30340993332,0cyclictest167950irq/16-i91509:24:161
30340993332,0cyclictest167950irq/16-i91509:21:241
30340993332,0cyclictest167950irq/16-i91509:11:171
30340993332,0cyclictest167950irq/16-i91508:59:111
30340993332,0cyclictest167950irq/16-i91508:49:091
30340993332,0cyclictest167950irq/16-i91508:24:081
30340993332,0cyclictest167950irq/16-i91508:19:031
30340993332,0cyclictest167950irq/16-i91508:12:521
30340993332,0cyclictest167950irq/16-i91507:14:031
30340993332,0cyclictest167950irq/16-i91507:02:271
30340993331,1cyclictest245950irq/16-enp2s0f008:37:271
30340993331,1cyclictest167950irq/16-i91511:40:481
30340993331,1cyclictest167950irq/16-i91511:32:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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