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2026-05-11 - 06:27
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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 Sun May 10, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3022621036199,471sleep029945-21kworker/0:107:09:260
303599917623,112cyclictest1408-21nginx07:14:190
303599916630,120cyclictest15968-21df_inode12:35:270
30359991657,15cyclictest13224-21apt-get10:18:180
30359991638,18cyclictest31200-21/usr/sbin/munin11:31:100
303599916321,124cyclictest32139-21wget09:25:150
303599916126,116cyclictest754-21systemd-journal12:27:360
30359991596,14cyclictest11092-21apt-get12:22:110
303599915929,109cyclictest1-21systemd11:50:430
303599915821,116cyclictest1305-21snmpd08:05:270
30359991578,112cyclictest1408-21nginx10:40:440
30359991577,129cyclictest1305-21snmpd07:40:530
30359991557,16cyclictest12849-21apt-get08:12:090
303599915530,106cyclictest1305-21snmpd07:30:500
303599915510,22cyclictest21077-21fw_forwarded_lo08:40:270
303599915447,94cyclictest8212-21cron10:00:020
303599915420,112cyclictest1305-21snmpd07:54:260
303599915418,116cyclictest1408-21nginx07:45:040
303599915414,16cyclictest1408-21nginx11:15:500
30359991538,21cyclictest16439-21fw_forwarded_lo10:30:270
30359991538,124cyclictest1305-21snmpd07:56:260
303599915351,91cyclictest14733-21sshd12:30:270
303599915320,113cyclictest15204-21sshd08:15:500
30359991528,17cyclictest18040-21users10:35:480
30359991527,15cyclictest20412sleep011:42:230
30359991527,124cyclictest28755-21wc09:10:430
303599915241,99cyclictest25099-21runrttasks11:05:200
303599915220,111cyclictest4491-21sshd07:35:260
30359991519,18cyclictest24799-21fw_forwarded_lo08:55:290
30359991519,17cyclictest21653-21processes10:50:440
30359991519,15cyclictest32081-21ntp_states07:15:410
30359991519,123cyclictest24401-21chrt11:01:410
30359991517,122cyclictest19935-21/usr/sbin/munin10:45:280
303599915128,112cyclictest1-21systemd12:09:400
303599915120,111cyclictest29563-21wget09:15:120
30359991507,17cyclictest19988-21ntpq08:35:430
30359991505,127cyclictest265302sleep009:01:330
303599915026,104cyclictest22077-21/usr/sbin/munin08:45:520
303599915025,114cyclictest2573-21seq09:35:440
30359991498,17cyclictest2867-21ntp_states11:45:420
30359991498,17cyclictest10451-21/usr/sbin/munin12:15:440
30359991498,123cyclictest22412-21/usr/sbin/munin10:55:130
303599914932,106cyclictest31486-21runrttasks09:21:120
30359991488,40cyclictest23923-21users08:50:470
30359991488,20cyclictest1305-21snmpd08:31:050
30359991488,17cyclictest11220-21ntp_states10:10:400
303599914843,92cyclictest1957-21seq07:25:160
303599914818,119cyclictest26186-21cut11:10:140
30359991478,117cyclictest848-21/usr/sbin/munin09:30:160
30359991477,119cyclictest10490-21/usr/sbin/munin08:00:200
30359991469,117cyclictest15863-21/usr/sbin/munin08:20:330
30359991467,118cyclictest30033-21wget11:25:370
30359991466,15cyclictest5854-21chrt09:50:110
303599914638,89cyclictest10150irq/55-4a10000009:46:260
30359991458,18cyclictest1070-21munin-run11:40:020
30359991458,117cyclictest5198-21/usr/sbin/munin11:55:280
30359991457,13cyclictest790-21irqstats07:20:310
30359991457,119cyclictest14837-21sh10:25:000
303599914514,112cyclictest7327-21latency_hist12:05:040
30359991449,123cyclictest2010-21node10:05:360
30359991447,20cyclictest3715-21/usr/sbin/munin09:40:350
303599914425,108cyclictest1608-21ntpd09:05:370
30359991418,113cyclictest17609-21processes08:25:460
303599914026,104cyclictest29363-21sshd11:21:270
30359991397,14cyclictest8460-21wget10:00:120
303599913943,87cyclictest9524-21seq12:12:250
30359991388,16cyclictest15354-21ntp_states10:25:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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