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2026-08-31 - 08:36
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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 Aug 30, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5314217830,114sleep00-21swapper/007:09:520
5397991678,119cyclictest13002-21wget07:40:130
53979916310,21cyclictest25538-21fw_forwarded_lo10:35:270
5397991619,126cyclictest11584-21/usr/sbin/munin11:50:170
53979916118,103cyclictest5485-21wget11:25:200
53979916030,93cyclictest12393-21runrttasks07:36:170
53979915835,107cyclictest10250irq/56-4a10000012:05:150
53979915825,112cyclictest1305-21snmpd09:36:000
5397991577,13cyclictest23558-21apt-get10:32:100
5397991576,14cyclictest21771-21mailstats10:20:460
53979915729,97cyclictest14534-21wget12:00:180
5397991567,19cyclictest23556-21latency_hist10:30:050
53979915656,88cyclictest554-21/usr/sbin/munin11:05:290
5397991558,15cyclictest5357-21apt-get09:17:060
53979915526,109cyclictest10373-21wget11:45:140
5397991549,21cyclictest15729-21seq09:57:110
5397991548,18cyclictest2915-21aten_r7power_po11:15:150
5397991547,22cyclictest15387-21apt-config07:50:050
53979915439,103cyclictest801-21dbus-daemon12:29:260
53979915439,102cyclictest11084-21users07:30:500
5397991539,17cyclictest7001-21ntp_states11:30:410
5397991538,16cyclictest24757-21df08:25:190
5397991537,16cyclictest18980-21apt-get12:17:070
5397991537,16cyclictest1408-21nginx12:35:230
5397991528,21cyclictest6051-21df09:20:160
5397991527,125cyclictest16454-21systemctl07:51:290
5397991526,23cyclictest20053-21tr12:20:490
5397991526,15cyclictest12704-21apt-get11:57:090
53979915228,105cyclictest1305-21snmpd07:55:260
5397991516,17cyclictest21001-21sh08:10:160
53979915154,85cyclictest28310-21/usr/sbin/munin10:45:460
5397991515,17cyclictest1305-21snmpd09:45:440
53979915136,106cyclictest2815-21runrttasks09:06:330
53979915120,94cyclictest17833-21ntp_states10:05:410
5397991508,17cyclictest18538-21df_inode08:00:200
53979915034,104cyclictest28183-21sendmail08:40:010
53979915018,93cyclictest29541-21aten_r7power_cu08:45:110
5397991498,124cyclictest9243-21aten_r7power_cu07:25:120
5397991498,124cyclictest1305-21snmpd08:15:340
5397991496,126cyclictest831-21/usr/sbin/munin09:00:520
53979914931,105cyclictest31896-21latency_hist08:55:020
53979914911,126cyclictest3726-21ntpq09:10:370
5397991489,19cyclictest8517-21sshd11:36:160
5397991489,118cyclictest23321-21/usr/sbin/munin08:20:110
5397991488,120cyclictest787-21haveged09:00:050
5397991487,119cyclictest1305-21snmpd08:30:140
53979914814,114cyclictest19659-21grep08:05:140
5397991478,20cyclictest13667-21/usr/sbin/munin09:50:350
5397991476,14cyclictest16611-21ntp_states10:00:440
53979914730,105cyclictest28488-21df08:40:180
5397991467,19cyclictest4355-21fw_forwarded_lo11:20:270
5397991467,17cyclictest1305-21snmpd10:56:220
53979914630,104cyclictest19039-21ntpq10:10:350
5397991458,24cyclictest7997-21/usr/sbin/munin07:20:150
53979914532,103cyclictest27590-21seq10:44:160
53979914515,115cyclictest32089-21chrt11:00:460
5397991446,28cyclictest17008-21sshd12:10:150
53979914444,89cyclictest29743-21runrttasks10:51:290
53979914441,92cyclictest6601-21latency_hist07:15:020
5397991438,16cyclictest6912-21df07:15:170
53979914329,102cyclictest801-21dbus-daemon10:20:010
53979914322,111cyclictest2028-21/usr/sbin/munin11:10:410
53979914140,90cyclictest22635-21runrttasks12:30:290
53979914133,98cyclictest7219-21sshd09:25:150
5397991406,18cyclictest9311-21diskstats11:40:220
5397991387,20cyclictest8641-21irqstats09:30:320
53979913835,93cyclictest11268-21open_inodes09:40:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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