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2025-12-13 - 15:18
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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 Sat Dec 13, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2995528410,12sleep029953-21diskstats19:06:340
307759917641,31cyclictest10250irq/56-4a10000000:25:470
307759917138,15cyclictest10250irq/56-4a10000000:14:350
307759916329,15cyclictest10250irq/56-4a10000023:05:310
307759915658,15cyclictest7303-21aten_r7power_vo19:46:310
307759915641,27cyclictest0-21swapper/023:31:360
307759915547,13cyclictest10150irq/55-4a10000000:06:310
307759915514,18cyclictest1295-21snmpd19:18:020
307759915443,93cyclictest3650irq/20-4900000020:16:560
307759915346,13cyclictest10150irq/55-4a10000023:42:010
307759915251,15cyclictest29699-21aten_r7power_po23:26:280
30775991518,17cyclictest2254-21/usr/sbin/munin23:46:310
307759915150,15cyclictest27774-21seq23:17:110
307759915051,14cyclictest20764-21aten_r7power_en20:41:260
307759915027,37cyclictest803-21connmand19:51:360
307759914945,19cyclictest25196-21/usr/sbin/munin20:56:540
307759914942,13cyclictest10150irq/55-4a10000023:11:170
307759914925,16cyclictest31272-21seq21:20:420
30775991489,38cyclictest5590-21munin-run00:00:040
30775991478,47cyclictest18473-21diskstats20:31:410
307759914760,11cyclictest101ktimersoftd/022:21:560
307759914759,10cyclictest101ktimersoftd/000:01:390
307759914756,12cyclictest101ktimersoftd/022:26:400
307759914718,14cyclictest27857-21diskstats21:06:370
307759914642,20cyclictest16654-21latency_hist22:35:020
30775991459,42cyclictest28599-21df23:21:360
307759914557,12cyclictest101ktimersoftd/023:40:030
307759914545,17cyclictest11559-21runrttasks00:20:340
307759914458,12cyclictest101ktimersoftd/019:26:390
307759914456,10cyclictest101ktimersoftd/019:56:400
307759914455,12cyclictest101ktimersoftd/022:20:020
307759914357,11cyclictest101ktimersoftd/020:21:340
307759914153,11cyclictest101ktimersoftd/022:57:000
30775991408,16cyclictest4577-21node00:39:440
307759914025,41cyclictest9935-21chrt22:05:400
307759913853,11cyclictest101ktimersoftd/021:16:360
307759913754,11cyclictest101ktimersoftd/021:41:560
307759913545,17cyclictest9576-21sshd22:03:310
307759912920,20cyclictest803-21connmand23:53:320
307759912112,12cyclictest813-21rs:main0
307759912095,15cyclictest0-21swapper/019:10:040
2315221106,87sleep023189-21wget23:01:320
307759910234,33cyclictest1295-21snmpd20:53:110
144532976,80sleep014470-21ntpq00:31:490
293532964,81sleep029392-21mailstats21:11:520
30775999228,49cyclictest10250irq/56-4a10000000:16:300
30775998941,33cyclictest10250irq/56-4a10000022:49:100
30775998935,43cyclictest10250irq/56-4a10000021:53:080
30775998838,35cyclictest0-21swapper/019:41:570
30775998824,30cyclictest21840-21chrt20:45:300
30775998734,42cyclictest0-21swapper/020:05:520
30775998438,31cyclictest2673-21aten_r7power_en21:36:320
30775998253,20cyclictest114392sleep022:11:310
30775998237,31cyclictest17249-21runrttasks20:26:400
30775998154,13cyclictest10150irq/55-4a10000019:21:460
30775998134,29cyclictest3650irq/20-4900000020:11:160
30775998051,13cyclictest10150irq/55-4a10000019:31:500
30775998049,14cyclictest10150irq/55-4a10000022:41:450
30775998018,29cyclictest786-21haveged21:30:040
30775997959,12cyclictest101ktimersoftd/022:51:310
30775997934,14cyclictest10250irq/56-4a10000020:01:280
30775997847,20cyclictest56712sleep019:39:540
30775997748,13cyclictest10150irq/55-4a10000022:36:430
30775997724,17cyclictest7604-21wget21:56:270
30775997635,28cyclictest3650irq/20-4900000020:40:030
30775997634,29cyclictest10250irq/56-4a10000021:46:270
3077599737,17cyclictest1753-21ntpq21:31:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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