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2025-12-18 - 01:57
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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 100 highest latencies:
System rack0slot1.osadl.org (updated Thu Dec 18, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165102700,1sleep2331ktimersoftd/223:44:542
318502690,0sleep60-21swapper/620:15:026
86882680,1sleep18684-21snmp_nas.osadl.23:54:541
322842680,0sleep1241ktimersoftd/100:25:061
232542640,0sleep30-21swapper/321:50:163
268172630,0sleep00-21swapper/021:14:400
93922510,0sleep30-21swapper/319:19:553
2785124422,7sleep70-21swapper/719:06:467
2764024423,15sleep30-21swapper/319:06:103
223182440,0sleep30-21swapper/300:20:043
2909023622,8sleep50-21swapper/519:09:415
2813623624,7sleep60-21swapper/619:07:496
2800923623,8sleep00-21swapper/019:07:190
2754123624,7sleep20-21swapper/219:05:452
189962360,0sleep60-21swapper/623:45:146
2799023523,7sleep10-21swapper/119:07:121
2740823523,7sleep40-21swapper/419:05:154
3036099226,1cyclictest0-21swapper/319:29:573
65822180,1sleep56588-21sshdnat20:55:065
318552180,0sleep70-21swapper/700:37:147
3034799187,6cyclictest29834-21basename00:24:410
292942189,5sleep70-21swapper/719:09:437
3036599174,6cyclictest19851-21JNI-ICMP-9430-S23:47:417
30363991712,3cyclictest3040-21dhcpd19:58:126
30363991712,3cyclictest3040-21dhcpd19:58:126
183812170,0sleep20-21swapper/221:48:222
3036599163,7cyclictest20124-21JNI-ICMP-24363-00:15:077
30365991614,1cyclictest79-21ksoftirqd/722:45:247
30365991613,1cyclictest0-21swapper/721:06:117
3036399167,5cyclictest16996-21Timer-79498622:25:576
30363991614,1cyclictest55750md0_raid100:17:496
30363991613,2cyclictest28474-21awk21:14:576
30363991613,2cyclictest28474-21awk21:14:576
30361991612,2cyclictest21706-21cat20:04:594
30361991612,2cyclictest21706-21cat20:04:594
3036199161,13cyclictest19899-21postmaster23:46:164
30360991613,2cyclictest2909-21snmpd22:13:113
30360991613,2cyclictest2909-21snmpd21:43:113
30360991613,2cyclictest2909-21snmpd19:53:563
30360991613,2cyclictest2909-21snmpd19:53:563
30360991613,2cyclictest2909-21snmpd19:40:263
30360991613,2cyclictest2909-21snmpd19:40:263
3034799160,2cyclictest186650irq/25-eth020:29:570
3034799160,2cyclictest186650irq/25-eth020:29:570
3036599153,7cyclictest20127-21JNI-ICMP-32045-00:05:047
30365991512,2cyclictest7868-21cat23:20:067
30365991512,2cyclictest7868-21cat23:20:067
30365991512,2cyclictest2909-21snmpd21:45:117
30365991511,1cyclictest0-21swapper/722:26:577
3036599150,1cyclictest0-21swapper/721:17:117
3036599150,1cyclictest0-21swapper/721:17:117
3036599150,14cyclictest0-21swapper/723:13:277
3036399154,5cyclictest4173-21JNI-ICMP-15079-21:50:066
3036399153,5cyclictest20133-21JNI-ICMP-15539-23:49:556
3036399152,7cyclictest4460-21JNI-ICMP-17206-19:26:476
30363991513,1cyclictest2909-21snmpd21:38:416
3036399150,1cyclictest0-21swapper/620:24:586
30362991513,1cyclictest2909-21snmpd22:21:575
30362991513,1cyclictest2909-21snmpd20:32:565
30362991513,1cyclictest2909-21snmpd20:32:565
30362991513,1cyclictest2909-21snmpd19:27:265
30362991513,1cyclictest0-21swapper/520:04:595
30362991513,1cyclictest0-21swapper/520:04:595
30361991513,1cyclictest2909-21snmpd00:26:274
30361991512,2cyclictest2909-21snmpd19:29:414
3036199150,14cyclictest0-21swapper/422:49:594
3036199150,13cyclictest0-21swapper/422:56:574
3036199150,13cyclictest0-21swapper/422:56:574
30360991511,1cyclictest0-21swapper/321:35:003
3036099150,1cyclictest0-21swapper/323:07:573
3036099150,1cyclictest0-21swapper/321:05:263
3036099150,1cyclictest0-21swapper/320:48:413
3035999157,3cyclictest212650irq/33-eth2-TxR19:30:142
3035999153,7cyclictest4460-21JNI-ICMP-17206-19:21:222
30359991512,2cyclictest2909-21snmpd22:20:272
30359991512,1cyclictest0-21swapper/222:43:272
30359991512,1cyclictest0-21swapper/222:43:272
3035999151,1cyclictest0-21swapper/223:31:572
3035999150,2cyclictest32408-21pool-14-thread-00:37:572
3035199150,1cyclictest0-21swapper/122:21:571
3035199150,1cyclictest0-21swapper/119:27:261
30347991513,1cyclictest2909-21snmpd23:17:270
30347991513,1cyclictest2909-21snmpd23:17:270
30347991512,2cyclictest2909-21snmpd23:07:120
30347991512,2cyclictest2909-21snmpd22:25:270
30347991512,2cyclictest2909-21snmpd21:42:410
30347991512,1cyclictest28254-21DefaultUDPTrans00:13:250
30347991511,1cyclictest0-21swapper/020:27:110
3036599148,3cyclictest22336-21turbostat23:29:427
3036599143,6cyclictest4460-21JNI-ICMP-17206-20:03:347
3036599143,6cyclictest4460-21JNI-ICMP-17206-20:03:347
3036599143,6cyclictest4451-21JNI-ICMP-24714-22:36:557
3036599143,6cyclictest19848-21JNI-ICMP-30802-00:25:507
3036599143,5cyclictest4173-21JNI-ICMP-15079-19:20:197
3036599143,5cyclictest21451-21JNI-ICMP-12988-23:54:077
30365991410,3cyclictest0-21swapper/722:51:397
3036599140,1cyclictest0-21swapper/720:46:267
3036599140,10cyclictest0-21swapper/721:09:577
3036399144,7cyclictest20127-21JNI-ICMP-32045-00:05:456
3036399144,5cyclictest4460-21JNI-ICMP-17206-23:25:076
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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