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2026-01-02 - 21:02
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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 Fri Jan 02, 2026 13:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3950220729,60sleep03955-21ntp_states07:05:280
47749914275,47cyclictest5571-21wget09:15:200
47749913772,45cyclictest1408-21nginx11:25:040
47749913761,24cyclictest10880-21ntp_states09:35:390
47749913659,36cyclictest14443-21apt-config09:50:130
47749913657,33cyclictest15847-21diskstats07:50:380
47749913648,35cyclictest2131-21apt-get09:07:090
47749913564,33cyclictest27930-21munin-run08:40:020
47749913470,48cyclictest1305-21snmpd07:55:190
47749913461,18cyclictest22578-21apt-cache08:17:120
47749913362,33cyclictest26956-21munin-run10:40:030
47749913362,33cyclictest13184-21chrt09:45:180
47749913360,54cyclictest1276-21runrttasks12:31:400
47749913273,42cyclictest787-21haveged10:16:090
47749913255,21cyclictest12187-21pluginstate09:40:430
47749913167,47cyclictest1305-21snmpd07:15:040
47749913167,28cyclictest3427-21wget11:15:140
47749913163,32cyclictest846-21munin-run09:00:010
47749913162,32cyclictest12603-21munin-run07:40:020
47749913063,33cyclictest13241-21http11:55:040
47749913060,51cyclictest32176-21wget11:00:160
47749913058,34cyclictest21626-21ntp_states12:25:490
47749913057,35cyclictest18482-21ntp_states08:00:380
47749913057,35cyclictest13229-21apt-get11:55:570
47749912958,33cyclictest1305-21snmpd07:45:140
47749912958,19cyclictest29217-21apt-config08:45:050
47749912956,52cyclictest17782-21uname12:10:390
47749912955,37cyclictest1305-21snmpd11:31:250
47749912866,22cyclictest29935-21diskstats08:45:390
47749912863,50cyclictest1305-21snmpd07:25:060
47749912859,51cyclictest20208-21users10:10:510
47749912857,34cyclictest18784-21wget12:15:240
47749912853,37cyclictest31039-21fw_forwarded_lo10:55:270
47749912756,51cyclictest6502-21ntp_states07:15:460
47749912754,35cyclictest10355-21df07:30:240
47749912679,36cyclictest21153-21cut08:10:510
47749912670,43cyclictest31155-21fw_conntrack08:50:250
47749912665,41cyclictest29960-21seq10:50:410
47749912663,23cyclictest6770-21/usr/sbin/munin09:20:420
47749912568,40cyclictest8476-21sshd07:24:560
47749912562,41cyclictest15093-21chrt12:00:210
47749912558,46cyclictest23884-21cpuspeed12:35:220
47749912463,46cyclictest24609-21if_eth008:25:310
47749912458,31cyclictest18382-21wget10:05:120
47749912455,32cyclictest15882-21wget09:55:120
47749912453,35cyclictest10727-21chrt11:44:520
47749912442,32cyclictest1296-21memory09:00:320
47749912375,38cyclictest19415-21grep08:05:110
47749912368,36cyclictest27169-21wget10:40:140
47749912363,21cyclictest4276-21ntp_states09:10:400
47749912363,19cyclictest9457-21diskstats09:30:210
47749912359,47cyclictest1305-21snmpd10:26:110
47749912359,23cyclictest20183-21df12:20:240
47749912355,30cyclictest1305-21snmpd10:21:100
47749912267,38cyclictest13344-21users07:40:490
47749912252,32cyclictest5942-21wget11:25:140
47749912174,36cyclictest11495-21chrt11:45:530
47749912152,34cyclictest1305-21snmpd11:06:200
47749912069,33cyclictest1305-21snmpd12:06:340
47749912068,39cyclictest17548-21/usr/sbin/munin10:00:440
47749912067,40cyclictest8093-21wget09:25:120
47749912066,44cyclictest754-21systemd-journal11:40:020
47749912066,36cyclictest1305-21snmpd11:11:210
47749911977,25cyclictest1305-21snmpd08:30:320
47749911967,40cyclictest24585-21/usr/sbin/munin10:30:120
47749911872,34cyclictest28517-21df10:45:200
47749911771,36cyclictest23497-21chrt08:20:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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