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2026-05-18 - 06:59
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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: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Mon May 18, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
135834422550,3chrt1358342-21/usr/sbin/munin21:41:180
139960122460,3chrt1399592-21ntpq00:11:030
139657022460,4chrt1396542-21munin-run00:00:030
135361922280,3sleep01353617-21idleruntime21:25:210
134956422190,2sleep01349566-21latency21:10:280
135639922120,3sleep01356400-21idleruntime21:35:230
133329022070,3sleep01333288-21sensors_temp20:11:170
138841522020,3chrt1388416-21df_inode23:30:170
136662921960,3chrt1366630-21ps22:11:150
135968221960,2sleep01359683-21gzip21:46:160
139376021880,4chrt1393764-21basename23:50:010
134549621880,4chrt1345497-21ntpq20:55:380
138211521820,2sleep01382116-21timerandwakeup23:06:200
133061221810,3chrt1330610-21ls20:01:190
137427721790,3chrt1374278-21grep22:40:020
136789921770,4chrt1367897-21ntpq22:16:020
137754421760,3chrt1377534-21ntpq22:50:400
138555221710,3chrt1385554-21find23:20:120
131576699171140,20cyclictest1366343-21kworker/u2:023:16:160
137476221700,4chrt1374759-21ntpq22:40:380
132613221700,3chrt1326128-21ntpq19:46:020
131576699169141,19cyclictest1366343-21kworker/u2:022:45:390
137200621660,3chrt1372003-21ntpq22:30:470
131576699147117,19cyclictest1338060-21kworker/u2:120:50:010
132769721440,3sleep01327698-21run-parts19:51:180
134923521420,2sleep01349237-21latency_hist21:10:060
131576699134106,19cyclictest1404566-21kworker/u2:200:35:250
134432121330,3sleep01344318-21ps20:51:150
13157669912999,19cyclictest1357575-21kworker/u2:222:10:030
134136621230,2sleep01341367-21collect220:40:440
13157669912392,20cyclictest1332487-21kworker/u2:120:20:330
132042321180,3sleep01320418-21ntpq19:25:360
13157669911581,23cyclictest1396697-40sh00:00:100
13157669910876,21cyclictest1335767-21kworker/u2:220:25:380
13157669910575,20cyclictest1357575-21kworker/u2:221:58:100
13157669910475,19cyclictest1366343-21kworker/u2:022:25:570
1315766999868,19cyclictest1327405-21kworker/u2:020:17:150
13534352970,2sleep01353437-21sort21:25:070
13241452950,4chrt1324144-21true19:40:020
13553462880,3chrt1355348-21ntp_offset21:30:550
1315766998557,18cyclictest1321348-21kworker/u2:219:44:060
131564128422,19sleep00-21swapper19:09:080
131763028313,19sleep01317627-21ntpq19:15:390
136373928110,19sleep01363737-21ntpq22:01:030
131878628013,19sleep01318789-21diskstats19:20:190
133131127913,19sleep01331314-21df_inode20:05:190
134668227810,17sleep01346714-21if_wlan021:00:240
1315766997848,19cyclictest83-21jbd2/mmcblk0p2-19:35:030
134002727611,18sleep01340033-21sshd20:35:570
13692292698,13sleep01369226-21ntpq22:20:470
13167832695,14sleep00-21swapper19:11:590
13985842675,15sleep00-21swapper00:06:440
13879432675,15sleep00-21swapper23:28:010
13839552675,15sleep00-21swapper23:14:430
1315766996744,14cyclictest1361172-21switchtime21:51:190
140363026613,43sleep01403625-21ntpq00:25:350
1315766996537,19cyclictest1393773-21kworker/u2:100:20:270
1315766996534,20cyclictest1377498-21kworker/u2:123:05:010
14055182645,15sleep00-21swapper00:31:300
1315766996412,20cyclictest1392496-21cat23:45:070
1315766996325,16cyclictest1329308-21runrttasks19:56:580
1315766996235,18cyclictest1366343-21kworker/u2:022:55:470
1315766996227,15cyclictest13907132sleep023:37:580
1315766996212,19cyclictest1394391-21ntp_states23:51:100
1315766996137,15cyclictest1400869-21ntpq00:15:430
1315766996113,18cyclictest1351030-21ntpq21:15:350
1315766996032,17cyclictest1338635-21ntpq20:30:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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