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2026-09-04 - 14:14
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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 Sep 04, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
854425020,23sleep00-21swapper/019:02:120
85842428,8sleep10-21swapper/119:02:391
8948993932,6cyclictest246650irq/16-enp2s0f022:31:100
8948993932,6cyclictest246650irq/16-enp2s0f021:15:590
8948993834,3cyclictest246650irq/16-enp2s0f022:05:230
8948993732,5cyclictest246650irq/16-enp2s0f023:31:190
8948993732,4cyclictest246650irq/16-enp2s0f022:54:520
8949993634,1cyclictest168750irq/16-i91523:53:541
8948993632,4cyclictest246650irq/16-enp2s0f021:00:550
8948993632,3cyclictest246650irq/16-enp2s0f023:24:160
8948993632,3cyclictest246650irq/16-enp2s0f023:05:140
8948993632,3cyclictest246650irq/16-enp2s0f022:22:200
8948993632,3cyclictest246650irq/16-enp2s0f022:15:290
8948993632,3cyclictest246650irq/16-enp2s0f021:07:120
8948993632,3cyclictest246650irq/16-enp2s0f020:34:080
8948993632,3cyclictest246650irq/16-enp2s0f020:11:580
8948993632,3cyclictest246650irq/16-enp2s0f019:13:530
8948993631,4cyclictest246650irq/16-enp2s0f023:27:590
8948993631,4cyclictest246650irq/16-enp2s0f022:46:120
8948993631,4cyclictest246650irq/16-enp2s0f020:50:530
8948993631,4cyclictest246650irq/16-enp2s0f020:10:460
8948993631,4cyclictest246650irq/16-enp2s0f020:02:180
8948993631,4cyclictest246650irq/16-enp2s0f019:30:240
8948993630,5cyclictest246650irq/16-enp2s0f021:56:060
8948993630,5cyclictest246650irq/16-enp2s0f020:35:500
8948993628,7cyclictest246650irq/16-enp2s0f023:08:460
8949993533,1cyclictest190650irq/16-nvkm20:55:461
8948993532,2cyclictest246650irq/16-enp2s0f023:11:080
8948993532,2cyclictest246650irq/16-enp2s0f021:37:570
8948993532,2cyclictest246650irq/16-enp2s0f021:13:440
8948993532,2cyclictest246650irq/16-enp2s0f020:21:140
8948993532,2cyclictest246650irq/16-enp2s0f019:46:020
8948993532,2cyclictest246650irq/16-enp2s0f000:16:310
8948993532,2cyclictest246650irq/16-enp2s0f000:02:230
8948993531,3cyclictest246650irq/16-enp2s0f023:15:560
8948993531,3cyclictest246650irq/16-enp2s0f022:36:210
8948993531,3cyclictest246650irq/16-enp2s0f021:51:210
8948993531,3cyclictest246650irq/16-enp2s0f021:46:550
8948993531,3cyclictest246650irq/16-enp2s0f021:45:150
8948993531,3cyclictest246650irq/16-enp2s0f021:31:550
8948993531,3cyclictest246650irq/16-enp2s0f021:26:180
8948993531,3cyclictest246650irq/16-enp2s0f020:57:150
8948993531,3cyclictest246650irq/16-enp2s0f019:51:210
8948993531,3cyclictest246650irq/16-enp2s0f000:21:120
8948993531,3cyclictest246650irq/16-enp2s0f000:07:530
8948993530,4cyclictest246650irq/16-enp2s0f022:18:050
8948993528,6cyclictest246650irq/16-enp2s0f000:13:530
8949993433,0cyclictest168750irq/16-i91522:11:071
8949993432,1cyclictest168750irq/16-i91519:25:391
8948993433,0cyclictest246650irq/16-enp2s0f019:36:070
8948993432,2cyclictest246650irq/16-enp2s0f000:25:500
8948993432,1cyclictest246650irq/16-enp2s0f019:18:070
8948993431,3cyclictest246650irq/16-enp2s0f023:45:510
8948993431,2cyclictest246650irq/16-enp2s0f022:56:040
8948993431,2cyclictest246650irq/16-enp2s0f020:26:120
8948993431,2cyclictest246650irq/16-enp2s0f019:25:020
8948993431,2cyclictest246650irq/16-enp2s0f019:06:200
8948993430,4cyclictest246650irq/16-enp2s0f021:21:000
8948993430,3cyclictest246650irq/16-enp2s0f023:54:240
8948993430,3cyclictest246650irq/16-enp2s0f023:41:090
8948993430,3cyclictest246650irq/16-enp2s0f023:37:060
8948993430,3cyclictest246650irq/16-enp2s0f022:06:000
8948993430,3cyclictest246650irq/16-enp2s0f020:47:170
8948993430,3cyclictest246650irq/16-enp2s0f020:43:100
8948993430,3cyclictest246650irq/16-enp2s0f020:20:320
8948993430,3cyclictest246650irq/16-enp2s0f019:30:580
8948993430,3cyclictest246650irq/16-enp2s0f000:30:580
8948993429,4cyclictest246650irq/16-enp2s0f023:56:240
8948993429,4cyclictest246650irq/16-enp2s0f019:55:510
8949993332,0cyclictest246650irq/16-enp2s0f023:11:161
8949993332,0cyclictest246650irq/16-enp2s0f022:58:461
8949993332,0cyclictest246650irq/16-enp2s0f022:53:261
8949993332,0cyclictest246650irq/16-enp2s0f021:04:001
8949993332,0cyclictest246650irq/16-enp2s0f000:21:051
8949993332,0cyclictest168750irq/16-i91523:43:471
8949993332,0cyclictest168750irq/16-i91522:45:291
8949993332,0cyclictest168750irq/16-i91522:17:281
8949993332,0cyclictest168750irq/16-i91522:09:511
8949993332,0cyclictest168750irq/16-i91521:58:381
8949993332,0cyclictest168750irq/16-i91521:50:461
8949993332,0cyclictest168750irq/16-i91521:47:161
8949993332,0cyclictest168750irq/16-i91521:43:311
8949993332,0cyclictest168750irq/16-i91521:28:461
8949993332,0cyclictest168750irq/16-i91521:05:561
8949993332,0cyclictest168750irq/16-i91520:35:501
8949993332,0cyclictest168750irq/16-i91520:32:581
8949993332,0cyclictest168750irq/16-i91520:30:441
8949993332,0cyclictest168750irq/16-i91520:22:101
8949993332,0cyclictest168750irq/16-i91520:06:371
8949993332,0cyclictest168750irq/16-i91519:30:401
8949993332,0cyclictest168750irq/16-i91500:16:501
8949993332,0cyclictest168750irq/16-i91500:05:521
8949993331,1cyclictest168750irq/16-i91520:45:521
8949993331,1cyclictest168750irq/16-i91519:36:071
8948993333,0cyclictest246650irq/16-enp2s0f019:40:550
8948993332,0cyclictest246650irq/16-enp2s0f022:44:440
8948993329,3cyclictest246650irq/16-enp2s0f022:27:150
8949993232,0cyclictest246650irq/16-enp2s0f023:16:101
8949993232,0cyclictest168750irq/16-i91523:46:081
8949993232,0cyclictest168750irq/16-i91523:38:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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