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2025-12-23 - 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 highest latencies:
System rack7slot8.osadl.org (updated Tue Dec 23, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2120026780,11sleep021197-21cut19:05:140
223489917440,117cyclictest10250irq/56-4a10000020:00:130
223489917134,28cyclictest10250irq/56-4a10000000:00:050
223489916744,21cyclictest3152-21runrttasks00:17:110
223489916624,29cyclictest10250irq/56-4a10000022:00:160
223489916331,34cyclictest18822-21if_eth023:10:300
223489916240,17cyclictest31129-21grep19:45:070
223489916222,29cyclictest787-21haveged22:10:030
223489916036,13cyclictest8950irq/40-mmc120:38:150
223489915827,27cyclictest24976-21wget19:20:120
223489915810,30cyclictest24845-21wget23:35:170
223489915736,13cyclictest10150irq/55-4a10000020:05:150
223489915720,15cyclictest13452-21latency_hist22:50:040
22348991569,18cyclictest6401-21fw_forwarded_lo22:20:480
223489915649,13cyclictest10150irq/55-4a10000021:55:320
223489915642,13cyclictest10150irq/55-4a10000021:23:140
223489915634,13cyclictest10150irq/55-4a10000023:43:570
22348991559,36cyclictest5653-21https22:20:090
223489915541,15cyclictest1276-21runrttasks23:09:320
223489915529,31cyclictest1276-21runrttasks20:44:550
223489915522,28cyclictest3650irq/20-4900000021:15:170
223489915343,18cyclictest5937-21swap20:10:460
22348991528,17cyclictest19835-21/usr/sbin/munin23:15:150
223489915251,91cyclictest31751-21sed19:45:230
223489915136,17cyclictest8469-21runrttasks22:30:000
223489915048,14cyclictest10150irq/55-4a10000000:30:400
223489915047,12cyclictest10150irq/55-4a10000020:00:010
223489915041,12cyclictest10150irq/55-4a10000019:52:530
223489915037,16cyclictest10250irq/56-4a10000023:20:160
22348991498,17cyclictest11212-21wget22:40:180
22348991498,16cyclictest10725-21ntp_states20:30:390
223489914941,17cyclictest3904-21if_eth000:20:300
223489914941,14cyclictest10150irq/55-4a10000023:45:200
223489914934,26cyclictest0-21swapper/019:10:230
223489914934,16cyclictest19143-21wget21:05:150
223489914848,15cyclictest8988-21seq20:25:020
223489914843,20cyclictest23056-21runrttasks23:26:580
223489914843,19cyclictest5748-21runrttasks00:26:240
223489914842,16cyclictest15815-21runrttasks22:59:030
223489914835,19cyclictest31104-21chrt00:00:170
22348991477,38cyclictest1276-21runrttasks23:00:490
22348991477,18cyclictest25588-21irqstats21:30:310
223489914744,85cyclictest101ktimersoftd/021:00:460
223489914742,14cyclictest30558-21mktemp21:50:170
223489914740,18cyclictest15280-21latency_hist20:50:040
223489914647,16cyclictest28905-21cron21:45:010
223489914635,21cyclictest14537-21runrttasks22:53:450
22348991457,37cyclictest9923-21aten_r7power_vo22:35:140
223489914538,14cyclictest24036-21awk19:15:360
223489914537,19cyclictest9407-21load20:25:330
223489914446,13cyclictest2283-21cat00:15:030
223489914444,15cyclictest20592-21seq21:10:300
223489914443,16cyclictest29032-21awk23:50:460
223489914440,15cyclictest30213-21latency_hist21:50:050
223489914438,13cyclictest23537-21sshd23:30:110
223489914436,32cyclictest101ktimersoftd/019:35:270
223489914340,17cyclictest26596-21aten_r7power_po21:35:130
223489914330,18cyclictest8517-21sshd00:37:110
22348991427,47cyclictest32299-21/usr/sbin/munin00:05:530
223489914234,18cyclictest15298-21latency_hist20:50:040
22348991417,18cyclictest1305-21snmpd22:30:090
223489914144,14cyclictest24857-21seq21:27:220
22348991405,27cyclictest4337-21latency_hist22:15:020
223489914038,12cyclictest10150irq/55-4a10000020:55:130
223489913929,15cyclictest1276-21runrttasks20:18:050
223489913839,17cyclictest28093-21seq19:31:140
223489913836,18cyclictest27039-21runrttasks19:27:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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