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2026-08-07 - 01:45
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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 Aug 06, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8045219523,146sleep08058-21irqstats19:05:260
89629912848,60cyclictest2220-21cat20:50:480
89629911833,34cyclictest29366-21ntp_states20:30:370
89629911755,46cyclictest3650irq/20-4900000023:14:070
89629911450,34cyclictest330-21df22:50:210
89629911440,36cyclictest1305-21snmpd22:20:080
89629911374,31cyclictest25282-21apt-key22:20:250
89629911345,48cyclictest15144-21irqstats21:40:530
89629911252,45cyclictest14863-21runrttasks23:48:370
89629911250,47cyclictest1305-21snmpd23:26:380
89629911239,24cyclictest17908-21munin-run00:00:030
89629911135,34cyclictest17512-21fw_forwarded_lo21:50:280
89629911122,38cyclictest13341-21df21:35:190
89629911057,35cyclictest26597-21runrttasks22:25:220
89629911054,36cyclictest804-21wpa_supplicant21:04:270
89629911049,46cyclictest23111-21wget00:20:140
89629910938,20cyclictest15655-21/usr/sbin/munin23:50:460
89629910934,37cyclictest26920-21/usr/sbin/munin20:20:430
89629910836,35cyclictest1305-21snmpd22:01:180
89629910833,38cyclictest16061-21wget21:45:110
89629910742,48cyclictest24350-21/usr/sbin/munin00:25:120
89629910741,26cyclictest19645-21munin-run22:00:030
89629910735,36cyclictest4167-21fw_conntrack23:05:250
89629910658,37cyclictest10910-21sshd21:25:270
89629910636,52cyclictest1450-21https20:50:060
89629910634,36cyclictest18478-21ntp_states00:00:550
89629910624,23cyclictest26000-21apt-get20:17:120
89629910560,33cyclictest22453-21diskstats22:10:190
89629910555,39cyclictest21367-21cron20:00:010
89629910541,44cyclictest29055-21df22:35:170
89629910537,49cyclictest12853-21wget19:25:150
89629910534,31cyclictest12532-21seq23:40:010
89629910532,37cyclictest8538-21ntp_states21:15:380
89629910463,32cyclictest17493-21runrttasks19:43:390
89629910456,37cyclictest25921-21seq00:30:430
89629910438,47cyclictest0-21swapper/020:59:230
89629910432,35cyclictest1305-21snmpd00:06:500
89629910432,33cyclictest21414-21ntp_states22:05:450
89629910371,22cyclictest6052-21ntp_states21:05:370
89629910351,39cyclictest27195-21ntp_states00:35:420
89629910341,21cyclictest15507-21fw_forwarded_lo19:35:260
89629910338,23cyclictest11424-21munin-run19:20:000
89629910331,34cyclictest23205-21ps20:05:430
89629910329,35cyclictest31599-21fw_forwarded_lo22:45:270
89629910259,34cyclictest2910-21seq23:00:230
89629910155,35cyclictest6783-21seq23:15:370
89629910140,48cyclictest11998-21wget21:30:150
89629910051,37cyclictest1563-21aten_r7power_vo22:55:250
89629910048,40cyclictest22595-21runrttasks00:17:100
8962999950,38cyclictest28705-21chrt22:34:410
8962999939,44cyclictest30181-21wget22:40:140
8962999938,46cyclictest31534-21wget20:40:130
8962999930,32cyclictest20840-21runrttasks00:10:300
8962999855,32cyclictest1312-21sshd21:20:260
8962999853,33cyclictest30578-21/usr/sbin/munin20:35:360
8962999847,39cyclictest1305-21snmpd19:24:030
8962999833,36cyclictest19399-21ntp_states19:50:400
8962999831,49cyclictest27793-21wget20:25:100
8962999831,34cyclictest10591-21ntp_states23:30:550
8962999729,49cyclictest24023-21runrttasks20:10:120
8962999729,34cyclictest14231-21df_inode19:30:190
8962999655,32cyclictest9110-21aten_r7power_po19:10:140
8962999653,34cyclictest7148-21fw_forwarded_lo21:10:260
8962999651,36cyclictest17802-21grep19:45:130
8962999641,42cyclictest21716-21diskstats20:00:210
8962999535,20cyclictest1305-21snmpd23:20:450
8962999531,33cyclictest1305-21snmpd23:41:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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