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2026-05-03 - 11:36
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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 03, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
282359940944032,0cyclictest17176-21cat23:07:030
2823599365925,0cyclictest0-21swapper23:52:020
282359935363487,0cyclictest14848-21cat21:26:580
28235992619636,0cyclictest2974-21cat19:22:020
28235992609447,0cyclictest13129-21munin-node00:27:020
28235992475261,0cyclictest31793-1kworker/0:2H19:47:020
28235992469671,0cyclictest9-21ksoftirqd/020:37:020
28235992469269,0cyclictest31793-1kworker/0:2H20:07:030
28235992467707,0cyclictest10088-21latency_hist22:47:020
28235992464314,0cyclictest31793-1kworker/0:2H20:57:020
28235992453284,0cyclictest31793-1kworker/0:2H22:27:020
28235992450563,0cyclictest1595-21jbd2/hda3-823:22:030
28235992442304,0cyclictest31793-1kworker/0:2H20:27:030
28235992442240,0cyclictest31793-1kworker/0:2H21:07:030
28235992435229,0cyclictest31793-1kworker/0:2H23:37:040
28235992381528,0cyclictest1499-21seq22:22:030
28235992377267,0cyclictest31793-1kworker/0:2H22:07:020
28235992369647,0cyclictest9-21ksoftirqd/019:17:030
28235992366496,0cyclictest9-21ksoftirqd/019:27:030
28235992345582,0cyclictest8447-21cut22:42:030
28235992340277,0cyclictest31793-1kworker/0:2H19:42:030
28235992336549,0cyclictest9-21ksoftirqd/020:42:020
28235992300271,0cyclictest31793-1kworker/0:2H22:12:060
28235992298727,0cyclictest4137-21lldpd21:27:030
28235992281543,0cyclictest9-21ksoftirqd/020:17:020
28235992277724,0cyclictest2344-21latency_hist23:57:030
28235992268298,0cyclictest31793-1kworker/0:2H20:47:020
28235992235546,0cyclictest9-21ksoftirqd/020:22:020
28235992188580,0cyclictest9-21ksoftirqd/023:27:020
28235992182639,0cyclictest29580-21latency_hist23:42:010
28235992109628,0cyclictest9-21ksoftirqd/021:52:060
28235992106584,0cyclictest20753-21which20:12:060
28235992082679,0cyclictest9-21ksoftirqd/019:32:060
28235992067256,0cyclictest31793-1kworker/0:2H19:57:030
28235992055321,0cyclictest31793-1kworker/0:2H21:02:020
28235992046236,0cyclictest31793-1kworker/0:2H23:17:030
28235991998324,0cyclictest31793-1kworker/0:2H19:37:020
28235991973300,0cyclictest31793-1kworker/0:2H19:07:020
28235991954159,0cyclictest31793-1kworker/0:2H20:52:060
28235991943300,0cyclictest31793-1kworker/0:2H21:42:030
28235991911252,0cyclictest31793-1kworker/0:2H22:02:030
28235991893249,0cyclictest31793-1kworker/0:2H00:17:020
28235991856560,0cyclictest671-21sendmail_mailtr23:52:060
28235991849297,0cyclictest31793-1kworker/0:2H22:17:040
28235991826262,0cyclictest31793-1kworker/0:2H00:22:020
28235991808301,0cyclictest31793-1kworker/0:2H23:12:050
28235991807634,0cyclictest22010-21munin-node21:47:030
28235991801249,0cyclictest31793-1kworker/0:2H23:32:060
28235991739179,0cyclictest31793-1kworker/0:2H22:32:060
28235991677517,0cyclictest1595-21jbd2/hda3-821:32:060
28235991676641,0cyclictest9-21ksoftirqd/019:12:060
28235991664595,0cyclictest1595-21jbd2/hda3-822:52:110
28235991652477,0cyclictest26854-21fschecks_time21:59:230
28235991652208,0cyclictest31793-1kworker/0:2H20:32:070
282359916451514,0cyclictest9-21ksoftirqd/000:02:500
28235991640192,0cyclictest31793-1kworker/0:2H20:02:020
28235991549346,0cyclictest1595-21jbd2/hda3-822:59:230
28235991541379,0cyclictest9-21ksoftirqd/000:14:150
28235991535288,0cyclictest31793-1kworker/0:2H00:07:020
28235991522315,0cyclictest9-21ksoftirqd/019:54:180
28235991520204,0cyclictest31793-1kworker/0:2H21:37:040
28235991493425,0cyclictest29609-21fschecks_time19:04:140
28235991469698,0cyclictest6759-21cron22:37:040
28235991467729,0cyclictest12624-21tune2fs21:19:150
28235991408350,0cyclictest1595-21jbd2/hda3-821:14:350
28235991245440,0cyclictest15693-21ntp_offset23:02:390
28235991114235,0cyclictest31793-1kworker/0:2H19:01:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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