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2026-06-08 - 12:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 376 highest latencies:
System rack8slot1.osadl.org (updated Mon Jun 08, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1951999412423,0cyclictest0-21swapper23:59:490
195199931033008,0cyclictest0-21swapper23:29:540
19519992954791,0cyclictest6367-21seq22:57:040
195199927481702,0cyclictest0-21swapper21:24:480
195199927042536,0cyclictest0-21swapper23:34:530
19519992652282,0cyclictest12639-1kworker/0:0H19:24:530
19519992651555,0cyclictest29809-21cat20:59:530
19519992539241,0cyclictest12639-1kworker/0:0H19:44:530
19519992523563,0cyclictest9-21ksoftirqd/019:54:540
19519992523200,0cyclictest12204-1kworker/0:1H23:59:520
19519992492669,0cyclictest26721-21latency_hist19:19:530
19519992489272,0cyclictest12639-1kworker/0:0H19:04:540
19519992453646,0cyclictest10265-21latency_hist20:04:530
19519992446614,0cyclictest13838-21cat20:14:530
19519992432691,0cyclictest4137-21lldpd22:39:530
19519992419571,0cyclictest0-21swapper00:19:530
19519992417632,0cyclictest449-21latency_hist00:14:530
19519992392248,0cyclictest12204-1kworker/0:1H22:24:530
19519992370303,0cyclictest12204-1kworker/0:1H22:29:570
19519992355577,0cyclictest9-21ksoftirqd/020:09:570
19519992334513,0cyclictest0-21swapper22:14:530
19519992319235,0cyclictest12204-1kworker/0:1H23:09:580
19519992198148,0cyclictest12639-1kworker/0:0H19:49:580
19519992194249,0cyclictest12204-1kworker/0:1H20:44:530
195199921791677,0cyclictest0-21swapper23:49:530
19519992008304,0cyclictest12204-1kworker/0:1H21:14:530
19519991990240,0cyclictest12204-1kworker/0:1H00:24:520
19519991955236,0cyclictest12204-1kworker/0:1H23:39:530
19519991948274,0cyclictest12204-1kworker/0:1H21:34:530
19519991946286,0cyclictest12204-1kworker/0:1H20:34:540
19519991907615,0cyclictest9-21ksoftirqd/021:59:540
19519991900287,0cyclictest12204-1kworker/0:1H23:14:530
19519991890215,0cyclictest12204-1kworker/0:1H22:19:530
19519991841266,0cyclictest12204-1kworker/0:1H00:09:550
19519991840655,0cyclictest9-21ksoftirqd/019:29:580
19519991783537,0cyclictest9-21ksoftirqd/018:59:500
19519991762224,0cyclictest12204-1kworker/0:1H21:44:540
19519991748264,0cyclictest12204-1kworker/0:1H21:29:580
19519991739460,0cyclictest9-21ksoftirqd/021:04:580
19519991696191,0cyclictest12204-1kworker/0:1H22:09:570
19519991693674,0cyclictest32022-21sed19:34:520
19519991634588,0cyclictest4137-21lldpd20:29:560
1951999163127,0cyclictest12204-1kworker/0:1H21:52:220
19519991612484,0cyclictest12814-21tune2fs21:42:090
19519991573207,0cyclictest12639-1kworker/0:0H19:59:530
19519991566445,0cyclictest9-21ksoftirqd/022:37:170
19519991565313,0cyclictest9-21ksoftirqd/020:42:140
19519991549503,0cyclictest9-21ksoftirqd/023:07:140
19519991549309,0cyclictest9-21ksoftirqd/020:27:050
19519991546228,0cyclictest9-21ksoftirqd/021:57:320
19519991543246,0cyclictest12639-1kworker/0:0H19:14:530
19519991524614,0cyclictest19967-21latency_hist22:04:530
19519991518337,0cyclictest9-21ksoftirqd/020:52:080
19519991517357,0cyclictest1595-21jbd2/hda3-822:47:140
19519991501263,0cyclictest9-21ksoftirqd/020:57:090
19519991484470,0cyclictest4608-21tune2fs22:52:060
19519991457220,0cyclictest9-21ksoftirqd/023:02:140
19519991448223,0cyclictest9-21ksoftirqd/021:27:070
19519991437211,0cyclictest0-21swapper23:22:000
19519991425637,0cyclictest16953-21fschecks_count20:22:120
19519991418221,0cyclictest9-21ksoftirqd/021:12:060
19519991388222,0cyclictest9-21ksoftirqd/023:52:370
1951999138427,0cyclictest12639-1kworker/0:0H19:12:060
19519991341180,0cyclictest12639-1kworker/0:0H19:39:540
19519991325588,0cyclictest17560-21munin-node23:29:560
19519991300483,0cyclictest9-21ksoftirqd/019:02:130
19519991298252,0cyclictest9-21ksoftirqd/000:07:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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