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2026-11-02 - 12:08
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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 all highest latencies:
System rack7slot8.osadl.org (updated Mon Nov 02, 2026 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2946022940,8sleep029458-21ls19:05:160
304689910855,35cyclictest101ktimersoftd/020:17:070
2454521035,12sleep024555-21ntp_states23:00:390
304689910242,42cyclictest0-21swapper/019:55:210
91012995,13sleep07861-21apt-get00:06:490
30468999950,34cyclictest3650irq/20-4900000023:35:240
117242976,11sleep010463-21apt-get20:01:510
30468999656,23cyclictest0-21swapper/020:13:230
287182955,12sleep028719-21memory21:10:350
34392945,11sleep03440-21memory19:30:340
324542945,12sleep032456-21irqstats21:25:300
30468999245,30cyclictest3650irq/20-4900000022:12:100
30468999236,36cyclictest801-21dbus-daemon23:20:020
30468999156,23cyclictest101ktimersoftd/000:00:020
30468999144,30cyclictest3650irq/20-4900000021:47:120
3046899913,49cyclictest1408-21nginx23:27:200
30468999051,29cyclictest0-21swapper/021:30:320
30468999045,29cyclictest101ktimersoftd/022:30:410
3046899898,38cyclictest32556-21apt-get19:17:110
30468998932,20cyclictest13476-21runrttasks00:23:500
30468998924,30cyclictest787-21haveged22:50:040
30468998838,33cyclictest101ktimersoftd/022:17:090
103762875,11sleep010378-21irqstats22:05:320
30468998654,14cyclictest15445-21sshd22:25:070
30468998647,27cyclictest0-21swapper/023:50:230
30468998549,21cyclictest0-21swapper/019:43:160
30468998542,28cyclictest3650irq/20-4900000000:12:120
30468998535,12cyclictest101ktimersoftd/021:17:100
30468998533,36cyclictest101ktimersoftd/021:35:440
30468998421,29cyclictest787-21haveged23:35:030
30468998420,29cyclictest787-21haveged23:45:040
30468998410,20cyclictest14134-21ntp_states00:25:410
30468998338,28cyclictest3018-21basename23:45:150
30468998338,28cyclictest19147-21wc22:40:050
30468998319,13cyclictest16778-21chrt00:35:550
30468998318,31cyclictest101ktimersoftd/019:25:420
3046899828,36cyclictest18743-21irqstats20:30:310
30468998252,13cyclictest10150irq/55-4a10000023:00:040
30468998249,15cyclictest12478-21if_err_eth020:05:290
30468998223,28cyclictest787-21haveged22:00:050
30468998154,13cyclictest10150irq/55-4a10000021:00:400
30468998149,14cyclictest10150irq/55-4a10000020:35:180
30468998135,33cyclictest0-21swapper/023:20:060
30468998131,14cyclictest1276-21runrttasks20:54:080
30468998055,11cyclictest101ktimersoftd/000:15:420
30468998052,18cyclictest96142sleep022:02:070
30468998044,27cyclictest0-21swapper/000:30:130
30468998036,30cyclictest10250irq/56-4a10000020:55:120
30468997946,16cyclictest4614-21http21:45:040
30468997939,27cyclictest3650irq/20-4900000019:10:320
30468997924,18cyclictest21470-21sendmail_mailst20:40:480
30468997859,12cyclictest101ktimersoftd/021:10:030
30468997859,10cyclictest101ktimersoftd/019:45:180
30468997851,17cyclictest19798-21/usr/sbin/munin22:40:490
30468997849,13cyclictest10150irq/55-4a10000020:49:580
30468997838,30cyclictest31283-21ntpq21:20:350
30468997835,30cyclictest270552sleep023:10:420
30468997816,46cyclictest1305-21snmpd00:01:300
30468997751,12cyclictest10150irq/55-4a10000019:50:240
30468997748,13cyclictest10150irq/55-4a10000022:50:200
30468997747,14cyclictest10150irq/55-4a10000019:35:190
30468997745,22cyclictest14495-21if_eth022:20:290
30468997656,12cyclictest101ktimersoftd/021:50:180
30468997642,16cyclictest10150irq/55-4a10000019:20:240
30468997634,28cyclictest3650irq/20-4900000023:05:240
30468997556,12cyclictest101ktimersoftd/020:25:180
30468997454,10cyclictest101ktimersoftd/020:20:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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