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2026-06-05 - 03:21
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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 Jun 05, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1656299363425,0cyclictest0-21swapper00:11:000
16562992784695,0cyclictest15687-21munin-node22:05:050
165629927781340,0cyclictest32260-1kworker/0:0H23:52:230
16562992755296,0cyclictest32260-1kworker/0:0H21:00:060
165629926981848,0cyclictest0-21swapper00:00:000
16562992581275,0cyclictest32260-1kworker/0:0H20:05:060
16562992554337,0cyclictest32260-1kworker/0:0H22:00:060
16562992514537,0cyclictest9-21ksoftirqd/020:00:070
16562992477321,0cyclictest32260-1kworker/0:0H21:25:040
16562992414546,0cyclictest9-21ksoftirqd/019:25:050
16562992406641,0cyclictest0-21swapper23:35:040
16562992370586,0cyclictest1595-21jbd2/hda3-823:05:030
16562992361261,0cyclictest32260-1kworker/0:0H21:45:040
16562992352672,0cyclictest9-21ksoftirqd/019:20:040
16562992335267,0cyclictest32260-1kworker/0:0H19:55:050
16562992332267,0cyclictest32260-1kworker/0:0H23:25:040
16562992323554,0cyclictest9-21ksoftirqd/019:05:050
16562992320681,0cyclictest30801-21latency_hist19:40:040
16562992320647,0cyclictest1595-21jbd2/hda3-821:20:050
16562992300249,0cyclictest32260-1kworker/0:0H21:15:050
16562992298578,0cyclictest9-21ksoftirqd/019:15:050
16562992295272,0cyclictest32260-1kworker/0:0H20:15:040
16562992277261,0cyclictest32260-1kworker/0:0H23:45:050
16562992263232,0cyclictest32260-1kworker/0:0H21:05:050
16562992251287,0cyclictest32260-1kworker/0:0H21:35:050
16562992243554,0cyclictest9-21ksoftirqd/022:15:050
16562992236491,0cyclictest9-21ksoftirqd/020:25:050
1656299223130,0cyclictest30911-21latency_hist00:19:540
16562992151512,0cyclictest9-21ksoftirqd/023:20:040
16562992118218,0cyclictest32260-1kworker/0:0H19:45:070
16562992091282,0cyclictest32260-1kworker/0:0H20:35:050
16562992083535,0cyclictest1595-21jbd2/hda3-819:00:010
16562992006617,0cyclictest1595-21jbd2/hda3-823:40:050
16562991983264,0cyclictest32260-1kworker/0:0H22:45:040
16562991926297,0cyclictest32260-1kworker/0:0H00:20:040
16562991909266,0cyclictest32260-1kworker/0:0H20:20:050
16562991883279,0cyclictest32260-1kworker/0:0H21:10:070
16562991847118,0cyclictest32260-1kworker/0:0H22:55:040
16562991824602,0cyclictest9-21ksoftirqd/021:30:080
16562991806596,0cyclictest9-21ksoftirqd/000:05:040
16562991805342,0cyclictest32260-1kworker/0:0H21:40:070
16562991746457,0cyclictest23941-21munin-node00:00:050
16562991740489,0cyclictest2682-21sed23:00:040
16562991739280,0cyclictest32260-1kworker/0:0H20:10:090
16562991717303,0cyclictest32260-1kworker/0:0H22:50:080
16562991684649,0cyclictest27261-21ls19:30:100
1656299163423,0cyclictest1608-21grep00:27:210
16562991628550,0cyclictest9-21ksoftirqd/020:50:090
16562991622529,0cyclictest9-21ksoftirqd/022:10:080
16562991618240,0cyclictest32260-1kworker/0:0H23:30:080
16562991607427,0cyclictest9-21ksoftirqd/019:50:100
1656299158479,0cyclictest32260-1kworker/0:0H23:10:080
1656299157326,0cyclictest32260-1kworker/0:0H19:37:340
16562991551446,0cyclictest9-21ksoftirqd/022:30:080
165629915201190,0cyclictest32260-1kworker/0:0H22:42:190
16562991501314,0cyclictest9-21ksoftirqd/022:22:330
16562991470495,0cyclictest21484-21perl19:12:280
16562991458300,0cyclictest9-21ksoftirqd/020:57:210
16562991452231,0cyclictest9-21ksoftirqd/022:37:260
16562991425305,0cyclictest9-21ksoftirqd/023:17:280
10114090,0rcuc/014704-21cron18:54:580
16562991406243,0cyclictest32260-1kworker/0:0H22:27:280
16562991385449,0cyclictest9-21ksoftirqd/020:42:380
16562991379374,0cyclictest9-21ksoftirqd/020:47:380
16562991375428,0cyclictest17347-21perl20:32:320
16562991255653,0cyclictest10618-21latency_hist21:50:080
16562991156206,0cyclictest32260-1kworker/0:0H21:55:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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