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2026-07-17 - 03:44
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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 Thu Jul 16, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26333213680,7sleep026324-21pluginstate07:10:020
263779912237,34cyclictest2982-21diskstats07:45:220
263779912145,23cyclictest25407-21seq09:07:080
263779912136,34cyclictest19115-21fw_forwarded_lo08:45:250
263779911871,37cyclictest11304-21munin-node12:30:100
263779911656,45cyclictest1305-21snmpd11:40:570
263779911552,32cyclictest24129-21munin-run09:05:040
263779911550,28cyclictest7779-21wget08:05:120
263779911539,38cyclictest3669-21sh12:00:010
263779911460,36cyclictest29923-21latency_hist11:35:020
263779911355,44cyclictest5143-21chrt12:05:180
263779911346,50cyclictest2663-21seq07:45:010
263779911244,48cyclictest3535-21aten_r7power_vo09:50:140
263779911243,33cyclictest15879-21/usr/sbin/munin08:35:040
263779911151,45cyclictest30710-21sshd11:36:420
263779911146,22cyclictest31257-21ntp_states09:30:390
263779911067,32cyclictest5802-21apt10:00:000
263779911050,20cyclictest11607-21/usr/sbin/munin08:21:020
263779911041,50cyclictest27513-21ntp_states09:15:420
263779911039,34cyclictest21548-21df08:55:180
263779910968,32cyclictest4205-21ntpq12:00:410
263779910962,38cyclictest1305-21snmpd09:25:310
263779910942,51cyclictest6498-21diskstats12:10:250
263779910940,49cyclictest28475-21wget09:20:140
263779910938,48cyclictest769-21latency_hist09:40:030
263779910936,54cyclictest30613-21runrttasks07:25:410
263779910935,33cyclictest1408-21nginx11:47:040
263779910841,30cyclictest1325-21tr11:50:150
263779910835,20cyclictest1333-21ntp_states09:40:410
263779910777,20cyclictest14265-21runrttasks08:30:020
263779910755,33cyclictest17086-21runrttasks08:36:360
263779910742,47cyclictest1305-21snmpd07:15:230
263779910542,45cyclictest1276-21runrttasks10:25:470
263779910541,49cyclictest13434-21wget10:30:120
263779910541,32cyclictest29058-21chrt07:20:140
263779910539,51cyclictest14905-21if_eth010:35:290
263779910529,19cyclictest11001-21apt-get08:17:080
263779910465,30cyclictest6588-21aten_r7power_po08:00:130
263779910461,32cyclictest26356-21seq11:20:250
263779910445,21cyclictest4308-21irqstats07:50:300
263779910442,23cyclictest9951-21seq12:25:010
263779910436,50cyclictest23247-21sshd11:06:470
263779910432,36cyclictest17542-21ntp_states10:45:420
263779910373,19cyclictest6855-21runrttasks10:03:200
263779910363,31cyclictest26570-21wget07:10:130
263779910362,30cyclictest27580-21aten_r7power_po11:25:190
263779910359,33cyclictest8689-21cron12:20:000
263779910345,44cyclictest1305-21snmpd10:10:220
263779910337,33cyclictest1305-21snmpd11:00:430
263779910336,48cyclictest9079-21wget08:10:140
263779910334,33cyclictest31826-21ntpq07:30:360
263779910334,32cyclictest1305-21snmpd10:15:250
263779910333,49cyclictest25074-21wget11:15:160
263779910328,29cyclictest2010-21node08:54:530
263779910274,19cyclictest18685-21if_eth010:50:420
263779910272,21cyclictest6120-21runrttasks07:57:530
263779910271,21cyclictest26117-21runrttasks09:10:270
263779910237,52cyclictest24259-21sendmail_mailqu11:10:460
263779910159,30cyclictest16002-21aten_r7power_vo10:40:160
263779910157,35cyclictest13249-21sshd12:35:300
263779910157,34cyclictest11332-21awk10:20:400
263779910140,20cyclictest19505-21apt-get10:55:280
263779910065,25cyclictest3320-21munin-plugin-st09:50:010
263779910045,37cyclictest10114-21aten_r7power_en12:25:170
263779910033,34cyclictest7519-21awk10:05:370
263779910032,35cyclictest334-21wget07:35:140
26377999765,24cyclictest17670-21grep08:40:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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