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2025-12-26 - 03:39
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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 Fri Dec 26, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
353221019,31sleep00-21swapper/019:07:330
7109910948,26cyclictest10250irq/56-4a10000023:53:420
7109910380,13cyclictest0-21swapper/019:10:040
7109910165,23cyclictest101ktimersoftd/000:18:190
710999548,30cyclictest3650irq/20-4900000019:52:060
197382936,13sleep018472-21apt-get00:37:030
710999254,25cyclictest101ktimersoftd/021:05:200
710999162,12cyclictest4688-21grep19:25:140
710999150,26cyclictest101ktimersoftd/022:20:020
710999135,41cyclictest101ktimersoftd/020:15:310
710999127,32cyclictest1337-21wget21:20:160
710999037,16cyclictest11022-21if_eth000:05:320
710999031,22cyclictest26477-21cut23:00:040
710999030,47cyclictest9027-21wget21:50:160
710998961,12cyclictest101ktimersoftd/022:45:420
710998940,30cyclictest16990-21open_files22:20:430
710998849,25cyclictest101ktimersoftd/022:05:310
710998843,30cyclictest3650irq/20-4900000023:20:420
710998817,19cyclictest1305-21snmpd22:03:310
71099879,44cyclictest4486-21ntp_states23:40:420
710998759,11cyclictest101ktimersoftd/021:17:090
710998740,31cyclictest10250irq/56-4a10000021:12:440
710998726,21cyclictest8455-21diskstats23:55:360
710998662,11cyclictest101ktimersoftd/019:17:100
710998643,29cyclictest3650irq/20-4900000023:25:270
710998642,33cyclictest101ktimersoftd/000:10:200
710998546,10cyclictest101ktimersoftd/020:30:400
710998542,33cyclictest21918-21tr22:40:370
710998532,16cyclictest6710-21processes21:40:430
710998462,11cyclictest101ktimersoftd/022:25:340
710998454,18cyclictest1305-21snmpd21:48:210
710998452,14cyclictest10150irq/55-4a10000021:00:420
710998446,28cyclictest0-21swapper/020:35:210
710998424,33cyclictest5958-21wget19:30:160
710998345,23cyclictest101ktimersoftd/023:05:220
710998344,28cyclictest0-21swapper/021:30:230
710998334,16cyclictest10250irq/56-4a10000020:57:430
710998331,14cyclictest1973-21/usr/sbin/munin23:30:370
710998327,18cyclictest1480-21munin-node23:00:120
710998325,24cyclictest10250irq/56-4a10000000:23:450
710998322,30cyclictest101ktimersoftd/019:40:410
710998321,16cyclictest10703-21latency_hist19:50:060
710998260,10cyclictest101ktimersoftd/022:50:350
710998252,12cyclictest10150irq/55-4a10000021:35:340
710998251,17cyclictest3026-21sshd23:35:200
710998235,14cyclictest10250irq/56-4a10000020:13:140
710998229,17cyclictest17410-21wget00:30:150
710998153,13cyclictest10150irq/55-4a10000019:56:000
710998148,16cyclictest10150irq/55-4a10000020:25:240
710998142,29cyclictest0-21swapper/000:25:360
710998138,30cyclictest101ktimersoftd/023:15:360
710998134,15cyclictest256072chrt20:46:250
710998129,32cyclictest26241-21wget20:50:150
710998050,14cyclictest10150irq/55-4a10000023:48:590
710998048,21cyclictest23873-21sshd20:40:190
710998031,32cyclictest19012-21chrt20:20:330
710998010,35cyclictest7085-21/usr/sbin/munin19:35:310
710997962,10cyclictest101ktimersoftd/019:20:170
710997949,15cyclictest10150irq/55-4a10000022:00:010
710997938,27cyclictest101ktimersoftd/023:10:200
200302794,7sleep00-21swapper/022:33:490
710997849,11cyclictest0-21swapper/022:13:260
710997847,13cyclictest10150irq/55-4a10000021:25:500
710997747,15cyclictest10150irq/55-4a10000022:35:380
710997649,13cyclictest10150irq/55-4a10000000:00:290
710997545,14cyclictest10150irq/55-4a10000020:05:120
710997545,13cyclictest10150irq/55-4a10000020:00:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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