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2026-04-05 - 01:50
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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 Sat Apr 04, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26263217531,113sleep00-21swapper/019:05:450
268359916835,13cyclictest10250irq/56-4a10000023:23:040
268359916734,41cyclictest0-21swapper/020:49:200
268359915852,13cyclictest10150irq/55-4a10000000:31:270
268359915849,17cyclictest23820-21runrttasks23:10:460
26835991548,35cyclictest7341-21/usr/sbin/munin22:06:260
268359915445,21cyclictest4183-21runrttasks21:55:240
26835991537,21cyclictest7957-21apt-get22:12:120
26835991527,21cyclictest3624-21ntp_states19:45:410
268359914824,18cyclictest32417-21sshd21:39:160
268359914751,17cyclictest29074-21/usr/sbin/munin21:25:150
268359914557,12cyclictest101ktimersoftd/020:05:180
268359914459,11cyclictest101ktimersoftd/022:40:180
26835991416,35cyclictest13182-21ntp_states20:21:150
26835991407,28cyclictest436-21seq23:45:340
6487211513,87sleep06488-21ntp_states19:55:400
639421067,83sleep06413-21apt-config22:05:070
278421065,88sleep02787-21df23:55:220
1990221048,84sleep019903-21fw_forwarded_lo22:55:240
3105721005,84sleep031063-21ntp_states19:25:400
2805229928,60sleep0101ktimersoftd/021:20:370
225632985,80sleep022578-21open_files23:05:390
51032966,78sleep05099-21diskstats19:50:370
305582965,80sleep030581-21/usr/sbin/munin21:30:430
698229512,73sleep06983-21sshd00:10:520
26835999145,30cyclictest29318-21runrttasks19:20:020
26835998736,35cyclictest5749-21sshd00:05:550
26835998656,15cyclictest15538-21netstat20:30:340
26835998651,18cyclictest10502-21awk00:25:350
317342855,66sleep031785-21ps23:40:430
26835998558,10cyclictest101ktimersoftd/023:35:290
26835998525,27cyclictest29910-21latency_hist23:35:040
2683599848,42cyclictest18421-21/usr/sbin/munin22:50:110
26835998438,13cyclictest9561-21seq00:21:140
26835998433,15cyclictest3999-21/usr/sbin/munin00:00:150
26835998420,29cyclictest787-21haveged19:45:040
26835998349,26cyclictest0-21swapper/000:35:300
212132835,68sleep021227-21irqstats23:00:300
325982824,7sleep00-21swapper/019:31:260
26835998249,23cyclictest24299-21/usr/sbin/munin21:05:380
26835998242,27cyclictest3650irq/20-4900000021:55:020
2683599819,22cyclictest21629-21diskstats20:55:240
26835998142,27cyclictest3650irq/20-4900000021:17:010
26835998140,27cyclictest25186-21wget21:10:110
26835998134,30cyclictest1276-21runrttasks23:51:380
26835998051,12cyclictest10150irq/55-4a10000020:50:400
26835998041,23cyclictest0-21swapper/019:21:200
26835998034,29cyclictest10144-21which22:15:430
26835998032,32cyclictest10250irq/56-4a10000023:28:510
26835998030,35cyclictest101ktimersoftd/020:00:230
26835998022,14cyclictest17565-21latency_hist20:40:020
2683599788,18cyclictest22867-21df21:00:170
26835997860,11cyclictest101ktimersoftd/020:17:020
26835997849,13cyclictest10150irq/55-4a10000020:10:490
26835997846,14cyclictest10150irq/55-4a10000022:20:320
26835997833,30cyclictest10250irq/56-4a10000022:30:140
26835997832,15cyclictest10250irq/56-4a10000021:47:150
26835997831,30cyclictest18136-21pluginstate20:40:440
26835997738,28cyclictest0-21swapper/023:15:180
26835997732,32cyclictest0-21swapper/019:35:090
26835997728,33cyclictest27484-21mailstats19:10:460
26835997659,10cyclictest101ktimersoftd/020:25:180
26835997657,12cyclictest101ktimersoftd/000:20:030
26835997646,14cyclictest10150irq/55-4a10000021:40:210
26835997641,27cyclictest0-21swapper/022:25:220
26835997544,14cyclictest10150irq/55-4a10000022:45:180
26835997428,31cyclictest10250irq/56-4a10000022:38:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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