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2026-05-10 - 02:33
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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 highest latencies:
System rack8slot1.osadl.org (updated Sun May 10, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2299699390524,0cyclictest0-21swapper23:01:330
229969935251196,0cyclictest31828-21python00:02:240
229969932161750,0cyclictest0-21swapper00:01:330
22996992786629,0cyclictest10151-21latency_hist23:01:370
22996992774256,0cyclictest22960-1kworker/0:0H21:01:380
229969927611533,0cyclictest0-21swapper00:12:070
22996992717725,0cyclictest19019-21munin-node23:26:370
22996992682653,0cyclictest1611-21cron21:06:370
22996992542482,0cyclictest9-21ksoftirqd/020:06:380
22996992526655,0cyclictest9-21ksoftirqd/019:01:380
22996992482249,0cyclictest22960-1kworker/0:0H20:16:380
22996992466647,0cyclictest9-21ksoftirqd/023:46:370
22996992457285,0cyclictest1870-1kworker/0:1H22:01:380
22996992451672,0cyclictest1238-21chrt22:36:380
22996992440207,0cyclictest22960-1kworker/0:0H20:01:380
229969924371257,0cyclictest0-21swapper00:23:490
22996992411262,0cyclictest22960-1kworker/0:0H20:36:370
22996992410283,0cyclictest1870-1kworker/0:1H23:16:370
22996992388566,0cyclictest15963-21munin-node21:46:380
22996992365745,0cyclictest22573-21cut23:36:390
22996992360715,0cyclictest9-21ksoftirqd/019:26:380
22996992357260,0cyclictest1870-1kworker/0:1H21:31:410
22996992345842,0cyclictest30138-21munin-node22:26:380
22996992335703,0cyclictest9-21ksoftirqd/021:51:410
22996992300504,0cyclictest9-21ksoftirqd/023:06:380
22996992299461,0cyclictest4213-21latency_hist00:16:370
22996992292631,0cyclictest9-21ksoftirqd/020:56:380
22996992287529,0cyclictest27226-21chrt20:46:370
22996992282568,0cyclictest19411-21latency_hist21:56:370
22996992277271,0cyclictest22960-1kworker/0:0H20:26:370
22996992275239,0cyclictest22960-1kworker/0:0H19:06:380
22996992250244,0cyclictest22960-1kworker/0:0H19:41:380
229969922281068,0cyclictest22960-1kworker/0:0H19:46:390
22996992215330,0cyclictest1870-1kworker/0:1H23:51:410
22996992203272,0cyclictest22960-1kworker/0:0H20:31:410
22996992201180,0cyclictest1870-1kworker/0:1H22:16:380
22996992185300,0cyclictest22960-1kworker/0:0H19:56:370
22996992182206,0cyclictest1870-1kworker/0:1H23:41:370
22996992175154,0cyclictest22960-1kworker/0:0H19:16:380
22996992173575,0cyclictest9-21ksoftirqd/022:21:370
22996992142656,0cyclictest6605-21mailstats22:51:420
22996992127303,0cyclictest22960-1kworker/0:0H20:41:380
2299699210498,0cyclictest1870-1kworker/0:1H21:21:380
22996992103308,0cyclictest22960-1kworker/0:0H20:21:380
22996992087534,0cyclictest9-21ksoftirqd/023:21:370
22996991981258,0cyclictest1870-1kworker/0:1H21:41:390
22996991958194,0cyclictest1870-1kworker/0:1H22:06:380
22996991952248,0cyclictest22960-1kworker/0:0H19:36:380
22996991926272,0cyclictest1870-1kworker/0:1H21:16:390
22996991881192,0cyclictest1870-1kworker/0:1H22:46:380
22996991838225,0cyclictest1870-1kworker/0:1H21:36:390
22996991821294,0cyclictest1870-1kworker/0:1H22:41:380
22996991821223,0cyclictest1870-1kworker/0:1H21:11:410
22996991808235,0cyclictest22960-1kworker/0:0H19:11:410
22996991787293,0cyclictest22960-1kworker/0:0H20:51:410
22996991772225,0cyclictest22960-1kworker/0:0H19:31:490
22996991728234,0cyclictest22960-1kworker/0:0H20:11:410
22996991727575,0cyclictest9-21ksoftirqd/000:26:370
22996991691475,0cyclictest9-21ksoftirqd/022:11:420
22996991677558,0cyclictest1595-21jbd2/hda3-819:21:370
22996991672521,0cyclictest9-21ksoftirqd/022:31:420
22996991630701,0cyclictest20790-21latency_hist23:31:410
22996991613229,0cyclictest22960-1kworker/0:0H19:51:420
22996991545626,0cyclictest9-21ksoftirqd/000:06:370
22996991502287,0cyclictest22960-1kworker/0:0H19:01:350
22996991436327,0cyclictest9-21ksoftirqd/021:28:460
22996991390395,0cyclictest1595-21jbd2/hda3-823:14:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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