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2025-05-02 - 12:54
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Thu May 01, 2025 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13594211610,11sleep013593-21/usr/sbin/munin07:05:180
145759914368,22cyclictest14322-21proc_pri11:20:440
1457599143121,14cyclictest202062sleep011:45:200
145759914267,35cyclictest22629-21/usr/sbin/munin11:56:040
145759914169,50cyclictest32056-21ntp_states12:30:410
145759914164,21cyclictest24491-21chrt09:53:440
145759913971,48cyclictest19224-21grep11:40:420
145759913970,47cyclictest9741-21pluginstate08:55:010
145759913962,36cyclictest1221-21memory12:35:440
145759913883,43cyclictest30136-21df08:05:580
145759913865,18cyclictest29655-21chrt10:12:080
145759913863,21cyclictest25236-21apt-get07:52:100
145759913770,32cyclictest1356-21snmpd11:00:230
145759913767,49cyclictest25234-21latency_hist07:50:050
145759913766,20cyclictest28422-21df08:00:170
145759913761,38cyclictest15308-21df11:25:180
145759913671,44cyclictest31065-21sshd10:18:300
145759913671,22cyclictest26186-21apt-get12:11:480
145759913662,34cyclictest21566-21/usr/sbin/munin11:50:320
145759913661,35cyclictest16130-21wget09:20:160
145759913654,38cyclictest28692-21apt-get12:17:060
145759913585,39cyclictest21629-21/usr/sbin/munin07:35:120
145759913572,21cyclictest21449-21ntp_states09:40:410
145759913569,47cyclictest1356-21snmpd10:05:480
145759913569,22cyclictest4334-21ntp_states10:40:430
145759913566,31cyclictest15965-21munin-run09:20:010
145759913564,37cyclictest18777-21diskstats09:30:240
145759913563,33cyclictest17573-21wget07:20:180
145759913561,20cyclictest24015-21diskstats12:00:240
145759913469,46cyclictest3822-21basename10:40:030
145759913382,38cyclictest19989-21sed07:30:080
145759913352,24cyclictest14509-21apt-get07:12:080
145759913261,19cyclictest2635-21diskstats08:25:240
145759913174,43cyclictest13801-21diskstats09:10:250
145759913168,21cyclictest7914-21if_eth010:55:340
145759913164,34cyclictest5379-21diskstats10:45:210
145759913161,33cyclictest26048-21wget10:00:120
145759913155,35cyclictest26188-21munin-run12:10:050
145759913069,21cyclictest12819-21df11:15:310
145759913058,53cyclictest1526-21awk08:20:400
145759912969,39cyclictest1356-21snmpd07:17:110
145759912969,22cyclictest7781-21seq08:45:420
145759912957,40cyclictest17629-21irqstats09:25:330
145759912875,41cyclictest649-21seq08:17:120
145759912869,21cyclictest1336-21runrttasks10:30:070
145759912865,22cyclictest6628-21/usr/sbin/munin10:50:270
145759912858,35cyclictest19891-21apt-get07:31:320
145759912766,20cyclictest5139-21fw_conntrack08:35:330
145759912765,20cyclictest27167-21df07:55:190
145759912764,45cyclictest11372-21munin-node11:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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