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2026-04-17 - 06:29
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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 Apr 16, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25964222034,55sleep00-21swapper/007:07:350
263149915381,53cyclictest10264-21sshd12:27:090
263149914661,30cyclictest2010-21node11:15:130
263149914173,34cyclictest26144-21sshd09:16:030
263149914167,36cyclictest20008-21apt-get08:56:260
263149914163,58cyclictest1408-21nginx12:10:210
263149913770,48cyclictest5354-21fw_conntrack10:00:450
263149913663,52cyclictest16399-21seq10:45:150
263149913564,37cyclictest3318-21users07:45:490
263149913562,50cyclictest1322-21chrt07:40:020
263149913562,35cyclictest1305-21snmpd08:11:270
263149913558,21cyclictest19075-21df08:50:170
263149913555,38cyclictest9562-21apt-get10:17:070
263149913552,29cyclictest2930-21apt-get09:55:450
263149913467,47cyclictest24439-21df09:10:180
263149913466,24cyclictest1862-21ntp_states07:40:410
263149913459,33cyclictest29476-21fw_conntrack09:30:240
263149913458,38cyclictest3324-21ntp_states12:00:410
263149913366,25cyclictest2010-21node11:35:160
263149913360,51cyclictest8071-21ntp_states08:05:410
263149913359,37cyclictest20229-21diskstats11:00:230
263149913262,29cyclictest15251-21sshd10:40:210
263149913261,33cyclictest516-21/usr/sbin/munin09:45:120
263149913258,53cyclictest12628-21wget10:30:140
263149913257,54cyclictest31477-21/usr/sbin/munin07:30:140
263149913166,21cyclictest26946-21memory11:25:300
263149913164,25cyclictest25546-21diskstats11:20:320
263149913157,36cyclictest6512-21df_inode10:05:190
263149913157,36cyclictest1305-21snmpd09:53:470
263149913157,21cyclictest1608-21ntpd11:10:020
263149912974,38cyclictest13885-21ls08:30:030
263149912961,35cyclictest12121-21sshd08:21:220
263149912865,43cyclictest11539-21fw_forwarded_lo10:25:260
263149912863,32cyclictest812-21avahi-daemon09:35:260
263149912861,47cyclictest23618-21latency_hist11:15:040
263149912859,49cyclictest23125-21wget09:05:150
263149912856,35cyclictest2426-21runrttasks11:56:520
263149912770,43cyclictest1305-21snmpd09:03:360
263149912761,49cyclictest4784-21chrt12:05:490
263149912755,39cyclictest30496-21/usr/sbin/munin07:25:340
263149912755,34cyclictest8140-21df12:20:160
263149912676,39cyclictest12323-21fw_conntrack12:35:250
263149912665,20cyclictest4169-21fw_conntrack07:50:210
263149912664,21cyclictest1305-21snmpd08:15:270
263149912661,48cyclictest26695-21irqstats07:10:310
263149912659,31cyclictest1305-21snmpd09:28:420
263149912657,53cyclictest18808-21wget10:55:090
263149912655,19cyclictest5616-21open_inodes07:55:440
263149912567,38cyclictest31804-21wget09:40:140
263149912558,47cyclictest1305-21snmpd08:38:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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