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2026-08-21 - 09:45
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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 Fri Aug 21, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
370299423523,0cyclictest0-21swapper23:15:110
3702992592601,0cyclictest9-21ksoftirqd/020:55:180
3702992578671,0cyclictest12693-21wc19:20:180
3702992537574,0cyclictest25098-21cut19:55:170
3702992404214,0cyclictest24106-1kworker/0:1H19:40:170
3702992402492,0cyclictest1595-21jbd2/hda3-823:40:170
3702992348432,0cyclictest1595-21jbd2/hda3-819:00:170
3702992340668,0cyclictest0-21swapper23:50:170
3702992327488,0cyclictest15569-21latency_hist21:00:170
3702992317218,0cyclictest24106-1kworker/0:1H19:10:180
3702992314269,0cyclictest24106-1kworker/0:1H22:30:170
3702992310523,0cyclictest0-21swapper23:15:170
3702992295578,0cyclictest9-21ksoftirqd/023:30:180
3702992285420,0cyclictest1595-21jbd2/hda3-821:15:180
3702992261225,0cyclictest24106-1kworker/0:1H21:20:170
3702992206611,0cyclictest423-21sed21:50:170
3702992086618,0cyclictest23358-21cut22:55:170
3702992045295,0cyclictest24106-1kworker/0:1H00:20:170
3702992033577,0cyclictest9-21ksoftirqd/022:15:170
3702992020270,0cyclictest24106-1kworker/0:1H20:10:190
3702992019270,0cyclictest24106-1kworker/0:1H20:20:180
3702992006137,0cyclictest24106-1kworker/0:1H19:35:180
3702991996111,0cyclictest24106-1kworker/0:1H19:30:180
37029919831862,0cyclictest0-21swapper22:42:310
3702991976228,0cyclictest24106-1kworker/0:1H19:50:170
3702991963289,0cyclictest24106-1kworker/0:1H21:06:340
3702991957133,0cyclictest24106-1kworker/0:1H00:10:160
370299194630,0cyclictest9-21ksoftirqd/023:56:290
3702991943284,0cyclictest24106-1kworker/0:1H22:00:180
3702991934200,0cyclictest24106-1kworker/0:1H00:15:170
3702991928284,0cyclictest24106-1kworker/0:1H00:05:210
3702991914165,0cyclictest24106-1kworker/0:1H22:20:180
3702991880559,0cyclictest9-21ksoftirqd/019:15:180
3702991876622,0cyclictest21552-21sendmail_mailtr19:45:220
3702991808203,0cyclictest24106-1kworker/0:1H19:25:220
3702991802551,0cyclictest5657-21which22:05:210
3702991777463,0cyclictest9-21ksoftirqd/018:55:130
3702991770216,0cyclictest24106-1kworker/0:1H22:10:170
3702991755666,0cyclictest9-21ksoftirqd/021:45:210
3702991750261,0cyclictest24106-1kworker/0:1H21:55:170
3702991739541,0cyclictest1595-21jbd2/hda3-820:46:340
3702991719230,0cyclictest1463-21munin-node23:26:350
37029916881551,0cyclictest29995-21fschecks_count20:07:450
37029916871254,0cyclictest24106-1kworker/0:1H23:47:400
3702991673456,0cyclictest9-21ksoftirqd/022:25:210
3702991657634,0cyclictest9-21ksoftirqd/019:06:340
3702991646249,0cyclictest24106-1kworker/0:1H22:45:210
370299164028,0cyclictest24106-1kworker/0:1H00:02:350
3702991606269,0cyclictest0-21swapper20:17:480
370299159367,0cyclictest24106-1kworker/0:1H21:42:460
3702991587403,0cyclictest1021-21fschecks_time23:22:350
3702991577159,0cyclictest24106-1kworker/0:1H20:30:170
3702991565409,0cyclictest1595-21jbd2/hda3-821:37:360
3702991552295,0cyclictest9-21ksoftirqd/023:37:280
3702991551377,0cyclictest9-21ksoftirqd/020:02:320
3702991544215,0cyclictest9-21ksoftirqd/020:37:440
37029915261133,0cyclictest24106-1kworker/0:1H20:27:500
3702991524330,0cyclictest9-21ksoftirqd/021:12:480
3702991499385,0cyclictest9974-21runrttasks20:42:440
3702991483355,0cyclictest9-21ksoftirqd/023:02:400
3702991479326,0cyclictest9-21ksoftirqd/021:27:490
3702991474471,0cyclictest13446-21runrttasks20:52:410
3702991472589,0cyclictest9-21ksoftirqd/023:07:350
3702991430216,0cyclictest9-21ksoftirqd/022:52:260
3702991356179,0cyclictest24106-1kworker/0:1H21:30:170
3702991337173,0cyclictest0-21swapper18:57:320
3702991104109,0cyclictest24106-1kworker/0:1H22:36:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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