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2025-12-25 - 21:20
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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 Dec 25, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1973222538,62sleep00-21swapper/007:07:220
23559916371,38cyclictest21787-21apt-get08:27:060
23559916071,36cyclictest7999-21df07:30:160
23559915969,38cyclictest11587-21apt-get11:57:100
23559915270,41cyclictest14224-21df_inode07:55:190
23559914774,52cyclictest2603-21http09:15:040
23559914772,21cyclictest24653-21apt-get08:35:360
23559914681,34cyclictest18213-21munin-run12:20:030
23559914674,51cyclictest1285-21lldpd09:36:080
23559914672,33cyclictest1305-21snmpd09:55:220
23559914474,34cyclictest4576-21diskstats09:20:240
23559914473,51cyclictest16996-21wget08:05:130
23559914471,53cyclictest1305-21snmpd10:25:330
23559914368,35cyclictest7081-21fw_forwarded_lo09:30:280
23559914368,35cyclictest5632-21irqstats07:20:320
23559914271,36cyclictest27585-21/usr/sbin/munin10:50:440
23559914270,49cyclictest28246-21chrt08:45:470
23559914177,22cyclictest18682-21netstat12:20:370
23559914176,33cyclictest11601-21apt-get11:55:040
23559914171,36cyclictest12410-21diskstats09:50:200
23559914167,21cyclictest8382-21ntp_states11:40:420
23559914166,19cyclictest22274-21diskstats12:35:260
23559914076,22cyclictest2876-21/usr/sbin/munin11:20:400
23559914074,23cyclictest15155-21apt-get08:02:120
23559914067,51cyclictest30058-21ntp_states11:00:440
23559914067,38cyclictest5985-21ntp_states09:25:380
23559914064,39cyclictest20243-21cut10:20:470
23559914054,34cyclictest3868-21apt-get09:18:210
23559913979,21cyclictest9232-21df07:35:140
23559913973,45cyclictest24897-21fw_conntrack10:40:210
23559913969,34cyclictest20852-21wget12:30:160
23559913968,36cyclictest14952-21/usr/sbin/munin10:00:300
23559913967,35cyclictest4295-21apt-config11:25:200
23559913884,42cyclictest1305-21snmpd10:45:420
23559913880,43cyclictest16218-21ntp_states12:10:420
23559913879,47cyclictest1305-21snmpd11:05:490
23559913867,35cyclictest10234-21seq09:40:450
23559913859,40cyclictest4837-21apt-get07:18:150
23559913774,23cyclictest32516-21ntp_states11:10:390
23559913768,49cyclictest1608-21ntpd12:05:360
23559913764,35cyclictest19566-21munin-run10:20:020
23559913672,48cyclictest28968-21mailstats10:55:460
23559913668,36cyclictest23797-21ntp_states10:35:370
23559913576,19cyclictest9414-21df11:45:180
23559913573,21cyclictest17389-21diskstats10:10:210
23559913572,22cyclictest11432-21latency_hist07:45:000
23559913571,32cyclictest7856-21munin-run11:40:020
23559913571,22cyclictest12989-21df_inode07:50:200
23559913569,37cyclictest1010-21wget11:15:140
23559913568,49cyclictest10963-21runrttasks09:45:110
23559913561,38cyclictest1305-21snmpd12:01:090
23559913464,49cyclictest19420-21wget08:15:120
23559913374,20cyclictest366-21df_inode09:05:200
23559913368,34cyclictest16181-21fw_forwarded_lo10:05:270
23559913367,32cyclictest3560-21latency_hist07:15:050
23559913364,33cyclictest26529-21wget08:40:150
23559913282,39cyclictest22523-21awk10:30:360
23559913275,38cyclictest12669-21sh07:50:000
23559913273,40cyclictest29086-21runrttasks08:50:170
23559913272,20cyclictest6097-21users11:30:510
23559913184,35cyclictest31265-21munin-run09:00:030
23559913080,38cyclictest24141-21users08:30:510
23559913066,23cyclictest20851-21df08:20:170
23559912991,27cyclictest19968-21ntp_states12:25:420
23559912877,39cyclictest6956-21ntp_states07:25:390
23559912774,40cyclictest18392-21fw_forwarded_lo08:10:270
23559912365,19cyclictest31609-21diskstats09:00:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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