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2025-11-17 - 19:16
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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 Mon Nov 17, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1628324515,22sleep00-21swapper/006:57:580
16765993932,6cyclictest245950irq/16-enp2s0f007:02:320
16765993931,7cyclictest245950irq/16-enp2s0f012:07:370
16765993931,7cyclictest245950irq/16-enp2s0f011:47:290
16765993931,7cyclictest245950irq/16-enp2s0f009:06:530
16765993931,7cyclictest245950irq/16-enp2s0f008:44:520
16765993834,3cyclictest245950irq/16-enp2s0f008:30:020
16765993831,6cyclictest245950irq/16-enp2s0f012:17:350
16765993830,7cyclictest245950irq/16-enp2s0f011:02:300
16765993830,7cyclictest245950irq/16-enp2s0f009:17:460
16765993830,7cyclictest245950irq/16-enp2s0f008:33:520
16765993733,3cyclictest245950irq/16-enp2s0f009:27:340
16765993732,4cyclictest245950irq/16-enp2s0f011:54:520
16765993732,4cyclictest245950irq/16-enp2s0f010:24:390
16765993732,4cyclictest245950irq/16-enp2s0f009:57:320
16765993732,4cyclictest245950irq/16-enp2s0f007:37:370
16765993731,6cyclictest245950irq/16-enp2s0f009:37:310
16765993731,5cyclictest245950irq/16-enp2s0f012:02:300
16765993731,5cyclictest245950irq/16-enp2s0f007:42:300
16765993731,5cyclictest245950irq/16-enp2s0f007:20:030
16765993730,6cyclictest245950irq/16-enp2s0f012:27:320
16765993730,6cyclictest245950irq/16-enp2s0f011:22:360
16765993730,6cyclictest245950irq/16-enp2s0f010:57:350
16765993730,6cyclictest245950irq/16-enp2s0f010:42:360
16765993730,6cyclictest245950irq/16-enp2s0f009:12:350
16765993730,6cyclictest245950irq/16-enp2s0f008:52:360
1627823725,5sleep10-21swapper/106:57:551
16765993633,2cyclictest245950irq/16-enp2s0f008:47:510
16765993633,2cyclictest245950irq/16-enp2s0f008:07:530
16765993632,3cyclictest245950irq/16-enp2s0f011:17:340
16765993632,3cyclictest245950irq/16-enp2s0f009:52:330
16765993632,3cyclictest245950irq/16-enp2s0f009:26:270
16765993632,3cyclictest245950irq/16-enp2s0f009:10:250
16765993632,3cyclictest245950irq/16-enp2s0f007:33:390
16765993631,4cyclictest245950irq/16-enp2s0f011:34:520
16765993631,4cyclictest245950irq/16-enp2s0f011:27:310
16765993631,4cyclictest245950irq/16-enp2s0f010:32:290
16765993631,4cyclictest245950irq/16-enp2s0f009:42:490
16765993631,4cyclictest245950irq/16-enp2s0f007:51:540
16765993631,4cyclictest245950irq/16-enp2s0f007:12:350
16765993630,5cyclictest245950irq/16-enp2s0f009:35:280
16765993630,5cyclictest245950irq/16-enp2s0f009:00:220
16765993630,5cyclictest245950irq/16-enp2s0f007:52:310
16765993629,6cyclictest245950irq/16-enp2s0f010:37:330
16765993629,6cyclictest245950irq/16-enp2s0f010:17:370
16765993628,7cyclictest245950irq/16-enp2s0f010:27:350
16766993534,0cyclictest167950irq/16-i91508:00:231
16765993532,3cyclictest245950irq/16-enp2s0f008:41:460
16765993532,2cyclictest245950irq/16-enp2s0f010:54:490
16765993532,2cyclictest245950irq/16-enp2s0f008:18:470
16765993531,3cyclictest245950irq/16-enp2s0f010:12:370
16765993531,3cyclictest245950irq/16-enp2s0f010:07:360
16765993531,3cyclictest245950irq/16-enp2s0f008:16:270
16765993531,3cyclictest245950irq/16-enp2s0f007:22:370
16765993531,3cyclictest167950irq/16-i91508:22:300
16765993530,4cyclictest245950irq/16-enp2s0f010:02:390
16765993530,4cyclictest245950irq/16-enp2s0f008:02:340
16765993530,4cyclictest245950irq/16-enp2s0f007:27:290
16765993528,6cyclictest245950irq/16-enp2s0f011:57:380
16765993528,6cyclictest245950irq/16-enp2s0f010:47:330
16765993527,7cyclictest245950irq/16-enp2s0f007:57:350
16766993433,0cyclictest167950irq/16-i91511:45:561
16766993432,1cyclictest245950irq/16-enp2s0f008:22:301
16766993432,1cyclictest167950irq/16-i91512:23:271
16766993432,1cyclictest167950irq/16-i91511:15:471
16766993432,1cyclictest167950irq/16-i91509:02:291
16766993432,1cyclictest167950irq/16-i91508:56:481
16766993432,1cyclictest167950irq/16-i91507:12:321
16765993431,2cyclictest245950irq/16-enp2s0f012:12:320
16765993431,2cyclictest245950irq/16-enp2s0f009:47:340
16765993430,3cyclictest245950irq/16-enp2s0f012:24:510
16765993430,3cyclictest245950irq/16-enp2s0f007:07:340
16765993427,6cyclictest245950irq/16-enp2s0f011:42:340
16765993427,6cyclictest245950irq/16-enp2s0f011:07:310
16766993333,0cyclictest167950irq/16-i91511:54:511
16766993333,0cyclictest167950irq/16-i91511:24:531
16766993333,0cyclictest167950irq/16-i91508:40:591
16766993332,0cyclictest245950irq/16-enp2s0f011:52:061
16766993332,0cyclictest245950irq/16-enp2s0f011:17:371
16766993332,0cyclictest245950irq/16-enp2s0f010:47:321
16766993332,0cyclictest245950irq/16-enp2s0f009:22:521
16766993332,0cyclictest245950irq/16-enp2s0f008:42:301
16766993332,0cyclictest245950irq/16-enp2s0f008:32:351
16766993332,0cyclictest167950irq/16-i91512:10:031
16766993332,0cyclictest167950irq/16-i91512:05:581
16766993332,0cyclictest167950irq/16-i91510:57:211
16766993332,0cyclictest167950irq/16-i91510:40:291
16766993332,0cyclictest167950irq/16-i91510:26:001
16766993332,0cyclictest167950irq/16-i91509:49:131
16766993332,0cyclictest167950irq/16-i91507:34:021
16766993332,0cyclictest167950irq/16-i91507:09:371
16766993331,1cyclictest167950irq/16-i91510:42:361
16766993331,1cyclictest167950irq/16-i91510:27:171
16766993331,1cyclictest167950irq/16-i91510:17:301
16766993331,1cyclictest167950irq/16-i91510:12:331
16766993331,1cyclictest167950irq/16-i91509:17:281
16766993331,1cyclictest167950irq/16-i91508:10:031
16765993331,1cyclictest245950irq/16-enp2s0f011:37:330
16765993330,2cyclictest245950irq/16-enp2s0f011:12:260
16766993232,0cyclictest245950irq/16-enp2s0f011:07:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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