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2025-11-08 - 08:06
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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 Sat Nov 08, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278825499140,12cyclictest0-21swapper/321:30:133
278825499140,12cyclictest0-21swapper/321:05:103
278825499140,11cyclictest0-21swapper/322:05:133
278825499130,1cyclictest0-21swapper/322:00:133
278825499130,11cyclictest0-21swapper/322:55:123
2788254991210,1cyclictest69450irq/121-eno122:40:143
2788254991210,1cyclictest0-21swapper/319:40:153
278825499120,11cyclictest69450irq/121-eno123:50:213
278825499120,11cyclictest69450irq/121-eno123:20:433
278825499120,11cyclictest69450irq/121-eno121:49:583
278825499120,11cyclictest0-21swapper/323:45:103
278825499120,11cyclictest0-21swapper/322:35:103
278825499120,11cyclictest0-21swapper/320:55:163
278825499120,11cyclictest0-21swapper/320:50:163
278825499120,11cyclictest0-21swapper/320:45:133
278825499120,11cyclictest0-21swapper/319:55:133
278825499120,11cyclictest0-21swapper/319:25:013
278825499120,11cyclictest0-21swapper/300:30:133
278825499120,11cyclictest0-21swapper/300:25:143
278825499118,2cyclictest69450irq/121-eno120:30:123
2788254991110,1cyclictest69450irq/121-eno120:26:263
2788254991110,0cyclictest0-21swapper/300:20:133
278825499110,10cyclictest69450irq/121-eno123:16:393
278825499110,10cyclictest69450irq/121-eno121:35:203
278825499110,10cyclictest69450irq/121-eno121:25:153
278825499110,10cyclictest0-21swapper/323:05:193
278825499110,10cyclictest0-21swapper/320:17:013
278825499110,0cyclictest0-21swapper/323:35:113
278825499110,0cyclictest0-21swapper/322:25:133
278825499110,0cyclictest0-21swapper/321:55:153
278825499110,0cyclictest0-21swapper/320:10:173
278825499110,0cyclictest0-21swapper/319:15:003
278825499109,1cyclictest69450irq/121-eno100:35:113
278825499109,1cyclictest0-21swapper/321:50:123
278825499108,1cyclictest0-21swapper/319:30:123
2788254991010,0cyclictest69450irq/121-eno100:00:133
278825499100,9cyclictest69450irq/121-eno100:15:163
278825499100,9cyclictest0-21swapper/300:00:003
278825499100,0cyclictest0-21swapper/323:30:233
278825499100,0cyclictest0-21swapper/323:05:013
278825499100,0cyclictest0-21swapper/322:35:003
278825499100,0cyclictest0-21swapper/321:15:183
278825499100,0cyclictest0-21swapper/319:15:013
27882549999,0cyclictest69450irq/121-eno123:25:123
27882549999,0cyclictest69450irq/121-eno122:15:123
27882549999,0cyclictest69450irq/121-eno122:11:263
27882549999,0cyclictest69450irq/121-eno100:11:423
27882549999,0cyclictest0-21swapper/322:50:163
27882549999,0cyclictest0-21swapper/322:20:013
27882549999,0cyclictest0-21swapper/321:40:133
27882549998,1cyclictest69450irq/121-eno119:51:563
27882549990,8cyclictest69450irq/121-eno100:05:143
27882549990,8cyclictest0-21swapper/320:40:133
27882549990,8cyclictest0-21swapper/319:39:563
27882549990,7cyclictest0-21swapper/320:05:123
27882549990,0cyclictest0-21swapper/321:00:143
27882549988,0cyclictest69450irq/121-eno123:41:433
27882549988,0cyclictest69450irq/121-eno120:00:013
27882549988,0cyclictest0-21swapper/321:10:203
27882549987,1cyclictest69450irq/121-eno119:27:253
27882549977,0cyclictest0-21swapper/323:10:123
27882549977,0cyclictest0-21swapper/320:35:163
27882549970,6cyclictest69450irq/121-eno122:45:163
27882549966,0cyclictest0-21swapper/321:20:193
27882549966,0cyclictest0-21swapper/319:45:173
2788098261,2sleep30-21swapper/319:09:563
27882549955,0cyclictest0-21swapper/320:20:123
2787371251,2sleep20-21swapper/219:05:192
2787228251,2sleep10-21swapper/119:05:181
2872266240,2sleep02872296-21apt-get22:35:090
2865114243,1sleep02846076-21kworker/0:0+events22:16:570
2919425230,0sleep10-21swapper/100:25:221
2889276230,1sleep12889302-21apt-get23:15:131
2848526230,1sleep22848552-21apt-get21:40:122
2832834230,1sleep12832960-21ntp_states21:00:161
2805447230,2sleep02805602-21cat19:50:160
2786194231,1sleep00-21swapper/019:05:010
2914416220,1sleep10-21swapper/100:15:141
2913122220,1sleep00-21swapper/000:10:200
2911996220,2sleep12911998-21ssh00:09:241
2908143220,0sleep12908169-21apt-get00:00:131
2905331220,0sleep00-21swapper/023:51:110
2897399220,0sleep00-21swapper/023:35:020
2895098220,1sleep00-21swapper/023:28:140
2892211220,1sleep00-21swapper/023:20:210
2891108220,1sleep02891123-21munin-run23:20:000
2885895220,1sleep00-21swapper/023:05:200
2880645220,1sleep10-21swapper/122:55:121
2876644220,0sleep00-21swapper/022:45:190
2874094220,0sleep20-21swapper/222:39:572
2871530220,1sleep20-21swapper/222:30:442
2870611220,1sleep02870656-21idleruntime22:30:180
2867782220,0sleep00-21swapper/022:24:300
2843892220,1sleep00-21swapper/021:28:500
2840782220,0sleep00-21swapper/021:20:170
2838462220,1sleep22838709-21diskstats21:15:152
2833631220,1sleep02833635-21sshd21:02:110
2803089220,1sleep00-21swapper/019:45:120
2798976220,0sleep00-21swapper/019:35:070
2797067220,1sleep10-21swapper/119:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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