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2026-03-29 - 05:02
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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 highest latencies:
System rack7slot8.osadl.org (updated Sun Mar 29, 2026 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16390221531,51sleep00-21swapper/019:09:070
165709916934,15cyclictest10250irq/56-4a10000022:38:180
16570991658,17cyclictest6574-21chrt20:35:420
165709916428,15cyclictest10250irq/56-4a10000023:03:200
165709916335,109cyclictest29288-21runrttasks22:02:080
165709915941,106cyclictest1276-21runrttasks19:11:040
16570991578,25cyclictest26049-21irqstats19:45:300
165709915737,105cyclictest10250irq/56-4a10000020:07:170
165709915729,18cyclictest754-21systemd-journal23:58:240
165709915639,105cyclictest30472-21runrttasks20:03:510
165709915636,11cyclictest10150irq/55-4a10000019:57:460
165709915536,107cyclictest13319-21sshd23:09:220
165709915535,107cyclictest991-21runrttasks20:15:240
165709915529,18cyclictest16439-21apt-get21:12:110
165709915524,18cyclictest19352-21apt-key21:25:060
165709915437,103cyclictest10128-21runrttasks22:55:360
165709915436,12cyclictest10150irq/55-4a10000022:45:160
16570991539,19cyclictest28039-21ntp_states00:05:400
165709915345,96cyclictest19669-21apt-key21:25:140
16570991528,16cyclictest28368-21cron22:00:010
165709915225,14cyclictest724-21jbd2/mmcblk1p1-23:52:290
165709915222,19cyclictest29839-21runrttasks22:05:140
165709915139,99cyclictest9791-21latency_hist20:50:000
165709915136,13cyclictest10150irq/55-4a10000022:25:140
165709915135,23cyclictest8724-21df22:50:170
165709915133,17cyclictest754-21systemd-journal19:21:180
16570991507,14cyclictest4428-21apt-get20:32:090
165709915049,92cyclictest1130-21aten_r7power_po22:20:160
165709915048,90cyclictest6684-21/usr/sbin/munin22:40:490
165709915043,12cyclictest29292-21seq00:10:410
165709915041,98cyclictest22629-21/usr/sbin/munin23:45:190
165709915039,94cyclictest3650irq/20-4900000000:00:150
165709915035,104cyclictest3536-21runrttasks00:37:340
165709915025,27cyclictest1408-21nginx23:42:120
165709915019,27cyclictest32697-21grep00:25:130
16570991498,35cyclictest1305-21snmpd00:33:470
16570991498,19cyclictest27048-21wget19:50:120
16570991497,32cyclictest131202sleep021:01:360
16570991496,15cyclictest18393-21apt-get23:32:080
165709914938,99cyclictest754-21systemd-journal21:18:130
165709914836,15cyclictest22206-21latency_hist21:35:020
165709914832,19cyclictest10693-21runrttasks20:52:130
16570991479,19cyclictest17657-21ntp_states23:25:400
165709914746,89cyclictest25047-21if_eth021:45:290
165709914735,101cyclictest787-21haveged23:23:300
165709914734,19cyclictest13546-21wget23:10:140
165709914733,18cyclictest20813-21runrttasks23:36:200
165709914733,18cyclictest13934-21basename21:05:160
165709914733,16cyclictest1276-21runrttasks00:15:390
165709914716,27cyclictest0-21swapper/019:17:390
16570991469,28cyclictest3650irq/20-4900000022:18:590
165709914638,97cyclictest3617-21runrttasks20:25:310
165709914634,11cyclictest8950irq/40-mmc121:35:250
165709914633,13cyclictest10150irq/55-4a10000022:13:310
165709914533,16cyclictest43082chrt22:31:510
165709914531,18cyclictest22166-21cpu19:30:140
165709914439,94cyclictest26073-21runrttasks21:50:140
165709914434,14cyclictest21038-21if_eth019:25:280
165709914426,11cyclictest8950irq/40-mmc119:35:320
165709914420,17cyclictest1305-21snmpd20:23:180
16570991437,17cyclictest32027-21wget20:10:130
165709914337,20cyclictest754-21systemd-journal20:57:200
165709914330,12cyclictest101ktimersoftd/021:40:410
16570991426,29cyclictest7836-21/usr/sbin/munin20:40:410
165709914240,81cyclictest10150irq/55-4a10000000:20:150
165709914124,24cyclictest14945-21df23:15:180
165709913932,20cyclictest24590-21aten_r7power_po19:40:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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