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2026-08-23 - 10:19
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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 Sun Aug 23, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315032570,0sleep10-21swapper/120:36:001
191112468,8sleep00-21swapper/019:02:030
1918323914,18sleep10-21swapper/119:02:481
19549993534,0cyclictest246650irq/16-enp2s0f023:31:380
19549993529,5cyclictest246650irq/16-enp2s0f021:28:070
19550993434,0cyclictest168750irq/16-i91523:27:331
19550993433,0cyclictest168750irq/16-i91500:10:521
19550993432,1cyclictest168750irq/16-i91521:55:591
19550993432,1cyclictest168750irq/16-i91521:35:551
19550993432,1cyclictest168750irq/16-i91520:15:411
19550993432,1cyclictest168750irq/16-i91500:16:251
19549993434,0cyclictest246650irq/16-enp2s0f023:09:370
19549993434,0cyclictest246650irq/16-enp2s0f019:33:560
19549993432,1cyclictest246650irq/16-enp2s0f020:32:390
19549993432,1cyclictest246650irq/16-enp2s0f019:11:000
19549993432,1cyclictest246650irq/16-enp2s0f000:09:520
19550993333,0cyclictest168750irq/16-i91523:12:231
19550993332,0cyclictest246650irq/16-enp2s0f020:51:261
19550993332,0cyclictest168750irq/16-i91523:57:581
19550993332,0cyclictest168750irq/16-i91523:46:191
19550993332,0cyclictest168750irq/16-i91523:39:381
19550993332,0cyclictest168750irq/16-i91523:07:111
19550993332,0cyclictest168750irq/16-i91522:57:461
19550993332,0cyclictest168750irq/16-i91522:48:331
19550993332,0cyclictest168750irq/16-i91522:45:561
19550993332,0cyclictest168750irq/16-i91522:36:401
19550993332,0cyclictest168750irq/16-i91522:26:031
19550993332,0cyclictest168750irq/16-i91522:21:031
19550993332,0cyclictest168750irq/16-i91522:16:021
19550993332,0cyclictest168750irq/16-i91522:07:261
19550993332,0cyclictest168750irq/16-i91521:45:231
19550993332,0cyclictest168750irq/16-i91521:11:441
19550993332,0cyclictest168750irq/16-i91521:09:211
19550993332,0cyclictest168750irq/16-i91521:04:471
19550993332,0cyclictest168750irq/16-i91520:48:241
19550993332,0cyclictest168750irq/16-i91520:43:091
19550993332,0cyclictest168750irq/16-i91520:23:141
19550993332,0cyclictest168750irq/16-i91520:10:401
19550993332,0cyclictest168750irq/16-i91519:51:321
19550993332,0cyclictest168750irq/16-i91519:50:361
19550993332,0cyclictest168750irq/16-i91519:42:481
19550993332,0cyclictest168750irq/16-i91519:26:371
19550993332,0cyclictest168750irq/16-i91519:19:061
19550993332,0cyclictest168750irq/16-i91500:26:271
19550993332,0cyclictest168750irq/16-i91500:21:511
19550993331,1cyclictest168750irq/16-i91522:51:301
19550993331,1cyclictest168750irq/16-i91522:51:301
19550993331,1cyclictest168750irq/16-i91521:56:241
19550993331,1cyclictest168750irq/16-i91520:58:041
19550993331,1cyclictest168750irq/16-i91519:37:481
19549993333,0cyclictest246650irq/16-enp2s0f020:25:130
19549993332,0cyclictest246650irq/16-enp2s0f023:56:120
19549993332,0cyclictest246650irq/16-enp2s0f023:36:170
19549993332,0cyclictest246650irq/16-enp2s0f023:21:140
19549993332,0cyclictest246650irq/16-enp2s0f023:03:120
19549993332,0cyclictest246650irq/16-enp2s0f022:56:450
19549993332,0cyclictest246650irq/16-enp2s0f022:51:120
19549993332,0cyclictest246650irq/16-enp2s0f022:51:120
19549993332,0cyclictest246650irq/16-enp2s0f022:46:130
19549993332,0cyclictest246650irq/16-enp2s0f022:42:360
19549993332,0cyclictest246650irq/16-enp2s0f022:36:310
19549993332,0cyclictest246650irq/16-enp2s0f022:31:500
19549993332,0cyclictest246650irq/16-enp2s0f022:27:180
19549993332,0cyclictest246650irq/16-enp2s0f022:07:240
19549993332,0cyclictest246650irq/16-enp2s0f022:02:560
19549993332,0cyclictest246650irq/16-enp2s0f021:52:270
19549993332,0cyclictest246650irq/16-enp2s0f021:42:240
19549993332,0cyclictest246650irq/16-enp2s0f021:25:530
19549993332,0cyclictest246650irq/16-enp2s0f021:09:140
19549993332,0cyclictest246650irq/16-enp2s0f021:03:540
19549993332,0cyclictest246650irq/16-enp2s0f020:56:140
19549993332,0cyclictest246650irq/16-enp2s0f020:51:140
19549993332,0cyclictest246650irq/16-enp2s0f020:49:580
19549993332,0cyclictest246650irq/16-enp2s0f020:41:130
19549993332,0cyclictest246650irq/16-enp2s0f019:47:320
19549993332,0cyclictest246650irq/16-enp2s0f019:36:020
19549993332,0cyclictest246650irq/16-enp2s0f019:21:590
19549993332,0cyclictest246650irq/16-enp2s0f000:31:280
19549993331,1cyclictest246650irq/16-enp2s0f022:23:230
19550993232,0cyclictest168750irq/16-i91523:45:091
19550993232,0cyclictest168750irq/16-i91523:16:511
19550993232,0cyclictest168750irq/16-i91522:31:291
19550993232,0cyclictest168750irq/16-i91521:40:151
19550993232,0cyclictest168750irq/16-i91520:17:141
19550993232,0cyclictest168750irq/16-i91520:03:381
19550993232,0cyclictest168750irq/16-i91519:31:061
19550993231,0cyclictest168750irq/16-i91523:51:051
19550993231,0cyclictest168750irq/16-i91523:31:111
19550993231,0cyclictest168750irq/16-i91523:21:221
19550993231,0cyclictest168750irq/16-i91522:11:011
19550993231,0cyclictest168750irq/16-i91521:47:021
19550993231,0cyclictest168750irq/16-i91521:26:191
19550993231,0cyclictest168750irq/16-i91521:21:201
19550993231,0cyclictest168750irq/16-i91521:16:121
19550993231,0cyclictest168750irq/16-i91519:21:521
19550993231,0cyclictest168750irq/16-i91519:11:281
19550993231,0cyclictest168750irq/16-i91519:06:591
19550993231,0cyclictest168750irq/16-i91500:32:161
19550993231,0cyclictest168750irq/16-i91500:11:241
19550993230,1cyclictest168750irq/16-i91523:01:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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