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2026-07-31 - 14:17
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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 Fri Jul 31, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
53392408,8sleep00-21swapper/019:04:280
5586993631,4cyclictest246650irq/16-enp2s0f000:17:091
5586993631,4cyclictest168750irq/16-i91520:21:241
5586993631,4cyclictest168750irq/16-i91519:31:151
5586993630,5cyclictest168750irq/16-i91520:56:271
5586993534,0cyclictest246650irq/16-enp2s0f022:26:291
5586993533,2cyclictest168750irq/16-i91522:14:531
5586993532,2cyclictest246650irq/16-enp2s0f021:13:141
5586993532,2cyclictest246650irq/16-enp2s0f019:25:341
5586993532,2cyclictest168750irq/16-i91521:59:461
5586993532,2cyclictest168750irq/16-i91520:41:591
5586993532,2cyclictest168750irq/16-i91520:10:181
5586993532,2cyclictest168750irq/16-i91519:08:451
5586993532,2cyclictest168750irq/16-i91500:31:091
5586993531,4cyclictest168750irq/16-i91520:16:231
5586993531,3cyclictest246650irq/16-enp2s0f020:35:351
5586993531,3cyclictest168750irq/16-i91523:21:591
5586993531,3cyclictest168750irq/16-i91521:32:291
5586993531,3cyclictest168750irq/16-i91519:51:171
5586993530,4cyclictest168750irq/16-i91519:21:131
54682359,18sleep10-21swapper/119:05:511
5586993432,2cyclictest168750irq/16-i91500:05:321
5586993432,1cyclictest168750irq/16-i91522:36:491
5586993431,2cyclictest168750irq/16-i91523:58:331
5586993431,2cyclictest168750irq/16-i91523:48:131
5586993431,2cyclictest168750irq/16-i91523:41:491
5586993431,2cyclictest168750irq/16-i91523:17:391
5586993431,2cyclictest168750irq/16-i91523:06:451
5586993431,2cyclictest168750irq/16-i91522:56:311
5586993431,2cyclictest168750irq/16-i91522:08:281
5586993431,2cyclictest168750irq/16-i91521:37:531
5586993431,2cyclictest168750irq/16-i91520:41:121
5586993431,2cyclictest168750irq/16-i91520:22:301
5586993431,2cyclictest168750irq/16-i91519:59:391
5586993431,2cyclictest168750irq/16-i91519:51:491
5586993431,2cyclictest168750irq/16-i91519:45:381
5586993431,2cyclictest168750irq/16-i91519:31:531
5586993431,2cyclictest168750irq/16-i91519:16:271
5586993430,3cyclictest246650irq/16-enp2s0f021:08:191
5586993430,3cyclictest168750irq/16-i91523:38:341
5586993430,3cyclictest168750irq/16-i91522:06:111
5586993430,3cyclictest168750irq/16-i91521:54:131
5586993430,3cyclictest168750irq/16-i91521:01:311
5586993429,4cyclictest168750irq/16-i91521:46:401
5586993429,4cyclictest168750irq/16-i91520:46:291
5585993434,0cyclictest246650irq/16-enp2s0f023:22:250
5585993433,0cyclictest246650irq/16-enp2s0f023:13:210
5585993433,0cyclictest246650irq/16-enp2s0f021:38:290
5585993433,0cyclictest246650irq/16-enp2s0f019:11:390
5585993433,0cyclictest246650irq/16-enp2s0f000:16:580
5585993432,1cyclictest246650irq/16-enp2s0f020:00:330
5585993432,1cyclictest168750irq/16-i91521:11:330
5586993332,0cyclictest246650irq/16-enp2s0f023:52:051
5586993332,0cyclictest246650irq/16-enp2s0f023:27:161
5586993332,0cyclictest246650irq/16-enp2s0f022:18:281
5586993332,0cyclictest168750irq/16-i91522:44:451
5586993332,0cyclictest168750irq/16-i91522:34:311
5586993331,2cyclictest246650irq/16-enp2s0f023:13:361
5586993331,2cyclictest168750irq/16-i91520:26:371
5586993331,1cyclictest168750irq/16-i91521:26:361
5586993331,1cyclictest168750irq/16-i91521:20:381
5586993330,3cyclictest246650irq/16-enp2s0f019:36:271
5586993330,2cyclictest246650irq/16-enp2s0f020:03:031
5586993330,2cyclictest168750irq/16-i91523:05:051
5586993329,3cyclictest246650irq/16-enp2s0f000:11:521
5586993329,3cyclictest168750irq/16-i91523:32:051
5586993329,3cyclictest168750irq/16-i91522:22:191
5586993328,4cyclictest168750irq/16-i91521:41:391
5585993333,0cyclictest246650irq/16-enp2s0f000:07:080
5585993332,1cyclictest246650irq/16-enp2s0f019:28:220
5585993332,0cyclictest246650irq/16-enp2s0f023:43:150
5585993332,0cyclictest246650irq/16-enp2s0f023:36:560
5585993332,0cyclictest246650irq/16-enp2s0f023:32:180
5585993332,0cyclictest246650irq/16-enp2s0f023:01:540
5585993332,0cyclictest246650irq/16-enp2s0f022:58:540
5585993332,0cyclictest246650irq/16-enp2s0f022:40:050
5585993332,0cyclictest246650irq/16-enp2s0f022:34:180
5585993332,0cyclictest246650irq/16-enp2s0f022:21:460
5585993332,0cyclictest246650irq/16-enp2s0f022:18:430
5585993332,0cyclictest246650irq/16-enp2s0f022:13:270
5585993332,0cyclictest246650irq/16-enp2s0f022:07:190
5585993332,0cyclictest246650irq/16-enp2s0f021:56:270
5585993332,0cyclictest246650irq/16-enp2s0f021:41:390
5585993332,0cyclictest246650irq/16-enp2s0f021:21:350
5585993332,0cyclictest246650irq/16-enp2s0f021:06:320
5585993332,0cyclictest246650irq/16-enp2s0f020:58:120
5585993332,0cyclictest246650irq/16-enp2s0f020:46:290
5585993332,0cyclictest246650irq/16-enp2s0f020:41:280
5585993332,0cyclictest246650irq/16-enp2s0f020:36:210
5585993332,0cyclictest246650irq/16-enp2s0f020:21:460
5585993332,0cyclictest246650irq/16-enp2s0f020:20:120
5585993332,0cyclictest246650irq/16-enp2s0f019:49:380
5585993332,0cyclictest246650irq/16-enp2s0f019:25:530
5585993332,0cyclictest246650irq/16-enp2s0f000:27:110
5585993332,0cyclictest246650irq/16-enp2s0f000:22:240
5585993332,0cyclictest168750irq/16-i91523:59:300
5585993332,0cyclictest168750irq/16-i91500:11:510
5585993331,1cyclictest246650irq/16-enp2s0f022:52:400
5585993331,1cyclictest246650irq/16-enp2s0f022:41:500
5585993331,1cyclictest246650irq/16-enp2s0f021:36:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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