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2026-09-13 - 10:53
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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 100 highest latencies:
System rack8slot1.osadl.org (updated Sun Sep 13, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2982199375223,0cyclictest0-21swapper23:46:100
29821993193836,0cyclictest5669-21telnet23:55:080
29821992770660,0cyclictest9-21ksoftirqd/022:53:500
29821992673521,0cyclictest10313-21latency_hist00:08:520
29821992542702,0cyclictest32707-21latency_hist22:08:500
29821992456601,0cyclictest28578-21cut23:28:500
29821992426586,0cyclictest1595-21jbd2/hda3-822:46:250
29821992412607,0cyclictest1595-21jbd2/hda3-821:18:500
29821992405474,0cyclictest9-21ksoftirqd/022:13:500
29821992373617,0cyclictest0-21swapper22:28:500
29821992373604,0cyclictest0-21swapper23:38:500
29821992372643,0cyclictest9-21ksoftirqd/023:08:500
29821992357601,0cyclictest0-21swapper21:38:490
29821992351544,0cyclictest9-21ksoftirqd/019:03:540
29821992349258,0cyclictest26074-1kworker/0:1H22:18:510
29821992348682,0cyclictest27458-21latency_hist20:18:500
29821992337252,0cyclictest26074-1kworker/0:1H23:13:500
29821992335612,0cyclictest12730-21latency_hist21:08:500
29821992333643,0cyclictest9-21ksoftirqd/019:38:510
29821992327564,0cyclictest0-21swapper19:28:510
29821992322255,0cyclictest26074-1kworker/0:1H20:08:510
29821992321634,0cyclictest4465-21latency_hist19:13:510
29821992320489,0cyclictest9-21ksoftirqd/021:28:510
29821992310201,0cyclictest26074-1kworker/0:1H20:28:500
29821992256434,0cyclictest0-21swapper21:48:500
29821992239592,0cyclictest16600-21sendmail-mta19:46:250
29821992237734,0cyclictest31685-21munin-node18:58:520
29821992231256,0cyclictest26074-1kworker/0:1H23:18:510
29821992227499,0cyclictest9-21ksoftirqd/018:56:250
29821992227206,0cyclictest26074-1kworker/0:1H21:06:250
29821992208576,0cyclictest9-21ksoftirqd/020:46:250
29821992174546,0cyclictest9-21ksoftirqd/000:13:500
29821992142287,0cyclictest26074-1kworker/0:1H22:38:500
29821992136266,0cyclictest26074-1kworker/0:1H20:03:550
29821992112257,0cyclictest26074-1kworker/0:1H23:48:510
29821992051240,0cyclictest26074-1kworker/0:1H20:13:510
29821992034254,0cyclictest26074-1kworker/0:1H22:48:500
29821991999607,0cyclictest16848-21cron19:48:510
29821991986328,0cyclictest26074-1kworker/0:1H22:33:500
2982199196452,0cyclictest9-21ksoftirqd/023:03:450
29821991956207,0cyclictest26074-1kworker/0:1H21:58:500
29821991926252,0cyclictest26074-1kworker/0:1H23:33:500
29821991910191,0cyclictest26074-1kworker/0:1H19:53:510
29821991908205,0cyclictest26074-1kworker/0:1H21:53:500
29821991906232,0cyclictest26074-1kworker/0:1H19:08:510
29821991896237,0cyclictest26074-1kworker/0:1H20:58:510
29821991860201,0cyclictest26074-1kworker/0:1H20:36:250
29821991848258,0cyclictest26074-1kworker/0:1H21:43:540
29821991841639,0cyclictest11544-21cron19:33:510
29821991827226,0cyclictest26074-1kworker/0:1H22:23:540
29821991813622,0cyclictest9-21ksoftirqd/020:26:250
29821991808170,0cyclictest26074-1kworker/0:1H23:26:250
29821991733667,0cyclictest8116-21munin-node19:23:550
29821991692489,0cyclictest9-21ksoftirqd/023:06:250
29821991686656,0cyclictest19527-21tune2fs21:26:250
29821991684241,0cyclictest26074-1kworker/0:1H00:03:550
29821991671236,0cyclictest26074-1kworker/0:1H21:33:500
29821991622184,0cyclictest26074-1kworker/0:1H22:03:550
29821991576187,0cyclictest26074-1kworker/0:1H20:38:510
29821991556447,0cyclictest9-21ksoftirqd/021:16:240
29821991550264,0cyclictest26074-1kworker/0:1H18:53:470
29821991447480,0cyclictest9-21ksoftirqd/020:56:050
2982199142848,0cyclictest26074-1kworker/0:1H20:51:180
298219914271017,0cyclictest15116-21fschecks_time00:21:110
2982199142330,0cyclictest26074-1kworker/0:1H20:01:240
298219913891085,0cyclictest26074-1kworker/0:1H19:21:240
29821991380371,0cyclictest9-21ksoftirqd/000:01:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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