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2025-11-18 - 10:22
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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 Tue Nov 18, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18932620,1sleep10-21swapper/119:37:321
220942438,8sleep10-21swapper/118:57:181
231072409,23sleep00-21swapper/018:59:230
23451993932,6cyclictest245950irq/16-enp2s0f022:56:490
23451993932,6cyclictest245950irq/16-enp2s0f022:00:500
23451993931,7cyclictest245950irq/16-enp2s0f022:37:380
23451993832,5cyclictest245950irq/16-enp2s0f022:02:320
23451993832,5cyclictest245950irq/16-enp2s0f019:27:160
23451993831,6cyclictest245950irq/16-enp2s0f023:27:310
23451993831,6cyclictest245950irq/16-enp2s0f021:52:320
23451993831,6cyclictest245950irq/16-enp2s0f021:37:270
23451993831,6cyclictest245950irq/16-enp2s0f021:27:310
23451993831,6cyclictest245950irq/16-enp2s0f020:40:430
23451993830,7cyclictest245950irq/16-enp2s0f023:37:320
23451993731,5cyclictest245950irq/16-enp2s0f021:42:410
23451993731,5cyclictest245950irq/16-enp2s0f020:17:250
23451993731,5cyclictest245950irq/16-enp2s0f019:34:330
23451993730,6cyclictest245950irq/16-enp2s0f023:36:070
23451993730,6cyclictest245950irq/16-enp2s0f022:22:350
23451993730,6cyclictest245950irq/16-enp2s0f022:15:410
23451993730,6cyclictest245950irq/16-enp2s0f022:09:490
23451993730,6cyclictest245950irq/16-enp2s0f021:26:490
23451993730,6cyclictest245950irq/16-enp2s0f019:07:290
23451993730,6cyclictest245950irq/16-enp2s0f019:02:320
23451993729,7cyclictest245950irq/16-enp2s0f022:57:380
23451993729,7cyclictest245950irq/16-enp2s0f021:17:350
23451993632,3cyclictest245950irq/16-enp2s0f022:47:300
23451993631,4cyclictest245950irq/16-enp2s0f023:57:280
23451993631,4cyclictest245950irq/16-enp2s0f022:17:460
23451993631,4cyclictest245950irq/16-enp2s0f020:52:350
23451993630,5cyclictest245950irq/16-enp2s0f023:12:570
23451993630,5cyclictest245950irq/16-enp2s0f023:07:560
23451993629,6cyclictest245950irq/16-enp2s0f020:57:350
23451993629,6cyclictest245950irq/16-enp2s0f000:17:340
23451993629,6cyclictest245950irq/16-enp2s0f000:02:330
23451993628,7cyclictest245950irq/16-enp2s0f023:42:350
23451993628,7cyclictest245950irq/16-enp2s0f020:32:310
23452993533,1cyclictest185550irq/16-nvkm19:12:301
23452993533,1cyclictest167950irq/16-i91520:27:311
23451993531,4cyclictest245950irq/16-enp2s0f021:10:350
23451993531,3cyclictest245950irq/16-enp2s0f023:52:470
23451993531,3cyclictest245950irq/16-enp2s0f023:02:550
23451993531,3cyclictest245950irq/16-enp2s0f022:34:140
23451993531,3cyclictest245950irq/16-enp2s0f019:55:220
23451993531,3cyclictest245950irq/16-enp2s0f019:41:520
23451993531,3cyclictest245950irq/16-enp2s0f000:13:210
23451993531,3cyclictest167950irq/16-i91520:30:080
23451993530,4cyclictest245950irq/16-enp2s0f023:22:280
23451993530,4cyclictest245950irq/16-enp2s0f022:29:080
23451993530,4cyclictest245950irq/16-enp2s0f020:47:340
23451993530,4cyclictest245950irq/16-enp2s0f020:07:230
23451993529,5cyclictest245950irq/16-enp2s0f020:22:260
23451993529,5cyclictest245950irq/16-enp2s0f019:57:220
23451993528,6cyclictest245950irq/16-enp2s0f019:42:290
23451993528,6cyclictest245950irq/16-enp2s0f019:17:280
23452993433,0cyclictest245950irq/16-enp2s0f000:07:281
23452993433,0cyclictest167950irq/16-i91523:11:571
23452993432,1cyclictest245950irq/16-enp2s0f022:12:301
23452993432,1cyclictest245950irq/16-enp2s0f020:22:521
23452993432,1cyclictest167950irq/16-i91521:00:031
23452993432,1cyclictest167950irq/16-i91519:52:231
23451993434,0cyclictest245950irq/16-enp2s0f020:02:300
23451993431,3cyclictest245950irq/16-enp2s0f000:30:200
23451993431,2cyclictest245950irq/16-enp2s0f023:51:150
23451993431,2cyclictest245950irq/16-enp2s0f021:47:320
23451993431,2cyclictest245950irq/16-enp2s0f021:02:320
23451993431,2cyclictest245950irq/16-enp2s0f019:22:310
23451993431,2cyclictest245950irq/16-enp2s0f019:22:310
23451993431,2cyclictest245950irq/16-enp2s0f019:14:250
23451993430,3cyclictest245950irq/16-enp2s0f020:12:280
23451993430,3cyclictest167950irq/16-i91521:12:300
23451993430,3cyclictest167950irq/16-i91500:22:340
23451993428,5cyclictest245950irq/16-enp2s0f020:42:300
23451993428,5cyclictest245950irq/16-enp2s0f019:47:320
23451993427,6cyclictest245950irq/16-enp2s0f000:07:290
23452993333,0cyclictest245950irq/16-enp2s0f023:02:201
23452993333,0cyclictest245950irq/16-enp2s0f020:14:511
23452993332,1cyclictest167950irq/16-i91519:50:421
23452993332,0cyclictest245950irq/16-enp2s0f021:32:591
23452993332,0cyclictest167950irq/16-i91523:50:391
23452993332,0cyclictest167950irq/16-i91523:43:031
23452993332,0cyclictest167950irq/16-i91523:38:281
23452993332,0cyclictest167950irq/16-i91523:32:371
23452993332,0cyclictest167950irq/16-i91523:17:301
23452993332,0cyclictest167950irq/16-i91522:42:511
23452993332,0cyclictest167950irq/16-i91522:19:491
23452993332,0cyclictest167950irq/16-i91521:47:421
23452993332,0cyclictest167950irq/16-i91521:42:551
23452993332,0cyclictest167950irq/16-i91521:38:271
23452993332,0cyclictest167950irq/16-i91521:03:171
23452993332,0cyclictest167950irq/16-i91520:07:321
23452993332,0cyclictest167950irq/16-i91519:32:311
23452993332,0cyclictest167950irq/16-i91519:28:341
23452993332,0cyclictest167950irq/16-i91519:17:281
23452993331,1cyclictest245950irq/16-enp2s0f021:12:341
23452993331,1cyclictest167950irq/16-i91523:30:501
23452993331,1cyclictest167950irq/16-i91522:57:341
23452993331,1cyclictest167950irq/16-i91522:06:491
23452993331,1cyclictest167950irq/16-i91519:22:291
23452993331,1cyclictest167950irq/16-i91519:22:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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