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2025-04-02 - 06:56
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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 376 highest latencies:
System rack7slot8.osadl.org (updated Tue Apr 01, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22416221328,58sleep00-21swapper/007:07:330
227669914369,57cyclictest1356-21snmpd11:40:030
227669914369,52cyclictest21930-21sshd11:43:230
227669914364,24cyclictest30025-21apt-get07:40:460
227669914163,41cyclictest2415-21apt-get08:02:100
227669913968,53cyclictest14828-21http08:55:030
227669913965,39cyclictest4156-21ntp_states10:30:350
227669913965,21cyclictest1696-21diskstats12:30:360
227669913874,22cyclictest857-21irqstats10:15:330
227669913871,35cyclictest14817-21apt-get08:56:200
227669913770,47cyclictest3051-21netstat12:35:380
227669913767,19cyclictest21302-21irqstats09:20:310
227669913666,33cyclictest17679-21ntp_states11:25:410
227669913567,19cyclictest27160-21apt-get07:30:340
227669913565,50cyclictest28790-21cut12:10:350
227669913562,37cyclictest800-21avahi-daemon07:45:310
227669913467,48cyclictest25445-21wget07:20:160
227669913371,42cyclictest29933-21chrt12:15:310
227669913366,46cyclictest2445-21http08:00:040
227669913361,19cyclictest23113-21df09:30:130
227669913263,26cyclictest18697-21diskstats09:10:170
227669913260,19cyclictest6570-21irqstats10:40:310
227669913258,20cyclictest760-21systemd-journal12:29:120
227669912976,42cyclictest28876-21irqstats09:55:290
227669912961,50cyclictest4187-21runrttasks08:05:220
227669912873,43cyclictest20502-21apt-get09:17:070
227669912872,37cyclictest16576-21/usr/sbin/munin09:00:400
227669912866,22cyclictest25039-21memory11:55:350
227669912863,22cyclictest15544-21apt-get11:17:120
227669912677,39cyclictest1336-21runrttasks09:40:190
227669912673,38cyclictest22455-21diskstats11:45:240
227669912673,35cyclictest27336-21/usr/sbin/munin09:50:080
227669912666,42cyclictest1356-21snmpd09:35:310
227669912663,45cyclictest1356-21snmpd11:05:190
227669912659,25cyclictest24085-21seq07:15:110
227669912582,33cyclictest9519-21tr10:55:150
227669912576,38cyclictest10604-21https11:00:240
227669912576,37cyclictest1356-21snmpd11:20:500
227669912570,44cyclictest6859-21apt-get08:17:080
227669912564,21cyclictest23081-21fw_forwarded_lo07:10:230
227669912474,40cyclictest31223-21chrt12:20:270
227669912463,20cyclictest18828-21memory11:30:320
227669912367,38cyclictest1336-21runrttasks08:40:170
227669912366,37cyclictest1356-21snmpd08:30:080
227669912364,20cyclictest31968-21df_inode10:10:210
227669912364,19cyclictest13748-21diskstats11:10:230
227669912276,33cyclictest815-21rs:main0
227669912274,37cyclictest30029-21munin-run07:40:020
227669912271,38cyclictest11662-21sendmail-msp08:40:020
227669912269,36cyclictest573-21cut07:50:430
227669912164,37cyclictest1700-21sendmail-mta12:05:230
227669912163,19cyclictest5406-21ntp_states10:35:410
227669912073,37cyclictest30225-21ntpq10:00:380
227669912071,39cyclictest26236-21fw_packets12:00:360
227669912070,39cyclictest5073-21/usr/sbin/munin08:10:190
227669912069,39cyclictest2067-21/usr/sbin/munin10:20:230
227669912068,39cyclictest26797-21sshd09:46:220
227669911973,34cyclictest23698-21diskstats11:50:240
227669911969,38cyclictest7361-21/usr/sbin/munin08:20:140
227669911964,36cyclictest813-21in:imuxsock08:46:230
227669911773,35cyclictest22254-21seq09:25:200
227669911770,37cyclictest1356-21snmpd10:50:250
227669911768,39cyclictest27167-21chrt07:30:000
227669911670,33cyclictest760-21systemd-journal09:05:220
227669911474,28cyclictest760-21systemd-journal10:25:230
227669911363,39cyclictest8761-21seq08:26:370
227669911269,33cyclictest31650-21munin-run10:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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