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2025-11-23 - 06:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack1slot3.osadl.org (updated Sun Nov 23, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
239626099170,11cyclictest0-21swapper/323:30:123
2396260991311,1cyclictest0-21swapper/321:10:123
239626099130,1cyclictest0-21swapper/323:20:123
239626099130,12cyclictest0-21swapper/323:10:123
239626099130,12cyclictest0-21swapper/320:00:143
239626099130,11cyclictest0-21swapper/321:20:133
2396260991211,1cyclictest69450irq/121-eno100:25:143
239626099120,1cyclictest0-21swapper/321:25:143
239626099120,1cyclictest0-21swapper/320:55:133
239626099120,1cyclictest0-21swapper/319:20:133
239626099120,11cyclictest0-21swapper/323:05:123
239626099120,11cyclictest0-21swapper/322:15:023
239626099120,11cyclictest0-21swapper/322:15:013
239626099120,11cyclictest0-21swapper/322:05:123
239626099120,11cyclictest0-21swapper/300:15:013
2396260991110,0cyclictest69450irq/121-eno120:20:203
239626099110,9cyclictest69450irq/121-eno121:55:133
239626099110,1cyclictest0-21swapper/319:35:133
239626099110,10cyclictest69450irq/121-eno119:50:173
239626099110,10cyclictest69450irq/121-eno100:33:153
239626099110,10cyclictest0-21swapper/323:00:183
239626099110,10cyclictest0-21swapper/321:40:193
239626099110,10cyclictest0-21swapper/321:00:203
239626099110,0cyclictest0-21swapper/323:35:123
239626099110,0cyclictest0-21swapper/320:45:133
239626099110,0cyclictest0-21swapper/319:30:133
239626099109,0cyclictest0-21swapper/322:55:023
239626099108,1cyclictest69450irq/121-eno123:00:023
239626099108,1cyclictest0-21swapper/320:05:143
239626099107,2cyclictest69450irq/121-eno122:39:573
2396260991010,0cyclictest69450irq/121-eno122:04:543
2396260991010,0cyclictest69450irq/121-eno121:47:413
2396260991010,0cyclictest69450irq/121-eno120:40:143
2396260991010,0cyclictest0-21swapper/321:50:133
2396260991010,0cyclictest0-21swapper/321:05:123
239626099100,9cyclictest69450irq/121-eno123:25:143
239626099100,9cyclictest69450irq/121-eno121:30:103
239626099100,9cyclictest69450irq/121-eno100:20:203
239626099100,0cyclictest0-21swapper/322:30:123
239626099100,0cyclictest0-21swapper/321:40:013
239626099100,0cyclictest0-21swapper/300:35:193
23962609999,0cyclictest69450irq/121-eno123:17:023
23962609999,0cyclictest69450irq/121-eno121:15:203
23962609999,0cyclictest69450irq/121-eno100:05:283
23962609999,0cyclictest69450irq/121-eno100:00:173
23962609999,0cyclictest0-21swapper/322:45:143
23962609999,0cyclictest0-21swapper/322:20:183
23962609999,0cyclictest0-21swapper/320:50:183
23962609999,0cyclictest0-21swapper/320:10:133
23962609999,0cyclictest0-21swapper/319:45:123
23962609998,1cyclictest69450irq/121-eno123:55:163
23962609998,0cyclictest0-21swapper/320:30:003
23962609990,8cyclictest69450irq/121-eno123:50:123
23962609988,0cyclictest69450irq/121-eno122:40:143
23962609988,0cyclictest69450irq/121-eno100:15:203
23962609977,0cyclictest69450irq/121-eno123:49:103
23962609977,0cyclictest69450irq/121-eno122:25:133
23962609977,0cyclictest69450irq/121-eno122:19:193
23962609977,0cyclictest69450irq/121-eno119:11:123
23962609977,0cyclictest0-21swapper/320:30:183
23962609970,7cyclictest69450irq/121-eno123:40:193
23962609970,6cyclictest0-21swapper/319:40:203
23962609966,0cyclictest0-21swapper/319:25:143
23962609960,4cyclictest0-21swapper/319:55:143
2396016261,1sleep20-21swapper/219:08:502
2394875261,3sleep30-21swapper/319:05:153
23962609953,1cyclictest0-21swapper/319:15:123
2493452242,1sleep1759-21lldpd23:10:011
23962609944,0cyclictest0-21swapper/320:15:493
2395844242,1sleep10-21swapper/119:06:401
2451185230,1sleep22451211-21apt-get21:30:102
2449175230,2sleep12449201-21apt-get21:25:141
2424448230,2sleep12424563-21expr20:20:181
23962609933,0cyclictest0-21swapper/320:35:003
2394443231,1sleep00-21swapper/019:05:110
2530613220,1sleep02530829-21grep00:35:200
2530359220,0sleep20-21swapper/200:35:192
2529388220,1sleep02529422-21munin-run00:35:010
2526781220,1sleep00-21swapper/000:25:290
2525466220,1sleep12525492-21apt-get00:25:141
2495335220,0sleep00-21swapper/023:13:120
2487546220,1sleep02487827-21expr22:55:150
2482613220,0sleep10-21swapper/122:41:431
2480887220,1sleep00-21swapper/022:40:020
2476171220,0sleep00-21swapper/022:29:570
2471982220,1sleep10-21swapper/122:20:021
2470203220,2sleep22470143-21/usr/sbin/munin22:15:142
2464588220,1sleep12464805-21unixbench-2d22:00:191
2463341220,1sleep22463381-21grep22:00:012
2460137220,1sleep02460215-21pluginstate21:50:180
2459604220,1sleep12459851-21diskstats21:50:161
2453487220,1sleep12453646-21fw_packets21:35:181
2446663220,0sleep00-21swapper/021:17:330
2442926220,1sleep12443128-21wc21:10:001
2438348220,1sleep12438535-21cat20:55:191
2435594220,1sleep02435852-21cpuspeed_turbos20:50:150
2404548220,1sleep00-21swapper/019:30:140
2400744220,1sleep02400842-21/usr/sbin/munin19:20:120
2398006220,0sleep20-21swapper/219:14:112
2397272220,1sleep00-21swapper/019:10:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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