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2025-11-24 - 09:06
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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
Characteristics of the 100 highest latencies:
System rack6slot6 (updated Mon Nov 24, 2025 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244939910702853405,53532cyclictest0-21swapper23:53:440
244939910688853407,53385cyclictest18019-21ssh21:20:400
244939910685153391,53339cyclictest8267-21ssh23:22:050
244939910674653421,53325cyclictest0-21swapper21:11:370
244939910667753464,53213cyclictest0-21swapper20:11:500
244939910662553428,53106cyclictest0-21swapper19:37:100
244939910661453472,53078cyclictest9-21ksoftirqd/023:39:500
244939910660253445,53157cyclictest0-21swapper00:39:370
244939910655453453,53101cyclictest0-21swapper19:52:040
244939910650953472,53037cyclictest0-21swapper23:05:400
244939910650153461,53040cyclictest0-21swapper20:52:420
244939910649553465,53030cyclictest0-21swapper21:30:330
244939910645053447,53003cyclictest0-21swapper23:33:380
244939910645053434,52923cyclictest0-21swapper23:04:000
244939910641953435,52984cyclictest0-21swapper21:50:090
244939910634053438,52810cyclictest0-21swapper19:47:530
244939910633353454,52879cyclictest0-21swapper20:27:250
244939910633053392,52873cyclictest0-21swapper19:57:260
244939910628953471,52755cyclictest9-21ksoftirqd/022:47:250
244939910627153388,52819cyclictest9-21ksoftirqd/020:23:340
244939910625353442,52699cyclictest0-21swapper23:17:540
244939910625353439,52697cyclictest0-21swapper20:04:280
244939910623653420,52750cyclictest0-21swapper21:01:040
244939910618253412,52770cyclictest0-21swapper20:30:560
244939910617453408,52766cyclictest0-21swapper21:28:320
244939910615553054,53099cyclictest0-21swapper21:44:470
244939910615453399,52755cyclictest0-21swapper19:20:350
244939910604352952,53089cyclictest0-21swapper22:56:480
244939910601152931,53078cyclictest0-21swapper22:29:000
244939910502352903,52115cyclictest0-21swapper21:55:500
24493995388153417,464cyclictest0-21swapper21:39:150
24493995368053380,236cyclictest0-21swapper23:10:020
24493995345827,0cyclictest0-21swapper21:46:070
24493995344426,53418cyclictest0-21swapper22:09:140
24493995321027,426cyclictest0-21swapper20:37:070
24493995315926,53133cyclictest0-21swapper20:55:430
24493995308828,53060cyclictest0-21swapper21:07:460
24493995304927,0cyclictest0-21swapper23:43:210
24493995302227,52903cyclictest0-21swapper20:41:590
244939924321094,1212cyclictest21776-21ssh22:10:540
244939924241077,1221cyclictest12454-21ssh23:28:170
244939924041081,1197cyclictest2767-21gnome-settings-20:07:290
244939922321053,1107cyclictest133750irq/9-eth023:49:030
244939921881093,1003cyclictest9-21ksoftirqd/022:40:530
244939921841013,1136cyclictest0-21swapper00:04:370
244939921001040,1025cyclictest0-21swapper19:28:080
244939920841079,938cyclictest3950irq/9-acpi00:20:320
244939920831032,1016cyclictest0-21swapper22:19:270
244939920771064,922cyclictest3950irq/9-acpi21:20:000
244939920731016,931cyclictest1744-21hald19:31:290
244939920581092,842cyclictest9399-21diskmemload00:17:010
244939920461094,885cyclictest133750irq/9-eth022:38:120
244939920181033,863cyclictest0-21swapper00:26:340
244939920171026,957cyclictest133750irq/9-eth022:52:460
244939920111021,956cyclictest0-21swapper22:24:180
244939919811007,941cyclictest0-21swapper23:58:350
244939919761026,855cyclictest0-21swapper22:04:230
24493991945938,973cyclictest0-21swapper00:07:080
244939919051036,776cyclictest0-21swapper22:31:500
24493991900917,983cyclictest0-21swapper20:49:410
244939918771024,788cyclictest3950irq/9-acpi19:40:110
244939918641050,720cyclictest0-21swapper19:14:030
244939918561045,720cyclictest0-21swapper20:16:420
244939918151039,776cyclictest0-21swapper19:17:240
244939916061092,514cyclictest0-21swapper00:10:090
244939915651091,410cyclictest9-21ksoftirqd/000:32:150
22492257883,210sleep00-21swapper19:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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