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2026-06-04 - 20:58
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack7slot8.osadl.org (updated Thu Jun 04, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8863221430,52sleep00-21swapper/019:08:260
91139916419,38cyclictest12028-21latency_hist23:35:030
91139916340,14cyclictest10150irq/55-4a10000021:12:470
91139916044,13cyclictest10150irq/55-4a10000000:25:290
91139915921,17cyclictest22227-21latency_hist20:05:020
9113991586,16cyclictest18742-21apt-get21:57:120
91139915846,15cyclictest10150irq/55-4a10000020:35:340
91139915742,20cyclictest10358-21runrttasks21:25:110
91139915548,18cyclictest31247-21sshd22:40:380
91139915548,14cyclictest10150irq/55-4a10000023:55:090
91139915546,19cyclictest14040-21runrttasks19:30:410
91139915445,18cyclictest6532-21runrttasks23:10:520
91139915444,25cyclictest1874-21runrttasks20:50:570
9113991536,18cyclictest17120-21apt-get21:52:140
91139915246,14cyclictest10150irq/55-4a10000021:25:010
91139915234,28cyclictest1276-21runrttasks21:38:550
91139915144,19cyclictest3303-21runrttasks23:00:010
91139915060,11cyclictest101ktimersoftd/023:50:210
9113991498,20cyclictest32504-21df_inode20:45:170
9113991497,20cyclictest14990-21df_inode21:40:310
9113991495,15cyclictest24988-21apt-cache22:17:120
91139914947,24cyclictest101ktimersoftd/022:30:220
91139914845,18cyclictest205522chrt22:00:100
91139914842,20cyclictest16337-21runrttasks19:40:200
91139914744,13cyclictest10150irq/55-4a10000021:00:240
91139914659,12cyclictest101ktimersoftd/020:55:210
91139914656,11cyclictest101ktimersoftd/020:40:390
91139914644,17cyclictest17118-21latency_hist21:50:060
91139914643,19cyclictest19498-21runrttasks19:53:050
91139914457,11cyclictest101ktimersoftd/019:25:240
91139914456,13cyclictest101ktimersoftd/023:45:210
91139914355,11cyclictest101ktimersoftd/022:25:270
91139914257,11cyclictest101ktimersoftd/019:10:300
91139914255,12cyclictest101ktimersoftd/020:05:220
91139914055,11cyclictest101ktimersoftd/023:15:340
91139914051,11cyclictest101ktimersoftd/021:15:140
9113991388,21cyclictest9939-21if_eth023:25:260
91139913653,11cyclictest101ktimersoftd/022:10:320
1235721097,89sleep012358-21diskstats23:35:240
2609621067,86sleep026114-21aten_r7power_cu20:20:120
2636421036,83sleep026356-21ntp_states22:21:240
121421035,87sleep0895-21/usr/sbin/munin22:50:330
277822975,79sleep027837-21ps20:25:430
9113999536,22cyclictest27758-21runrttasks00:34:300
9113999437,40cyclictest0-21swapper/020:14:220
9113999135,39cyclictest0-21swapper/019:19:100
9113998833,38cyclictest0-21swapper/020:19:230
9113998750,22cyclictest0-21swapper/019:39:140
9113998741,29cyclictest20745-21seq00:06:350
9113998630,19cyclictest8839-21open_inodes23:20:420
9113998444,28cyclictest0-21swapper/019:20:190
9113998334,31cyclictest3768-21seq23:00:320
9113998230,32cyclictest754-21systemd-journal22:45:070
227302815,63sleep022733-21df_inode00:15:170
911399808,38cyclictest29072-21munin-run00:40:020
9113998054,13cyclictest24722-21seq00:23:190
9113997928,33cyclictest805-21rs:main0
9113997858,11cyclictest101ktimersoftd/019:55:190
9113997849,13cyclictest10150irq/55-4a10000019:45:130
9113997832,37cyclictest2010-21node22:08:230
9113997749,17cyclictest29558-21runrttasks20:33:540
9113997746,21cyclictest5687-21/usr/sbin/munin21:05:420
9113997647,15cyclictest10150irq/55-4a10000023:05:220
215802764,56sleep0101ktimersoftd/000:10:350
9113997546,14cyclictest10150irq/55-4a10000022:35:250
9113997545,14cyclictest10150irq/55-4a10000023:40:200
9113997545,13cyclictest10150irq/55-4a10000021:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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