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2024-12-10 - 12:34
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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
Characteristics of the 50 highest latencies:
System rackdslot3.osadl.org (updated Tue Dec 10, 2024 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191235168,22phc2sys0-21swapper/319:08:153
281582212147,22sleep10-21swapper/119:05:071
302672204171,22sleep20-21swapper/219:09:432
300452204172,22sleep00-21swapper/019:06:470
2169921430,6sleep03058299cyclictest22:15:240
277372570,2sleep30-21swapper/323:35:193
202672570,6sleep03058299cyclictest21:00:280
136991560,1ptp4l401ktimersoftd/319:45:173
136991560,1ptp4l401ktimersoftd/319:26:453
30582995418,6cyclictest9-21ksoftirqd/020:28:050
216312540,3sleep0101ktimersoftd/021:05:170
3058299534,7cyclictest5334-21/usr/sbin/munin22:50:120
3058299516,5cyclictest9-21ksoftirqd/023:25:160
30582995018,7cyclictest9-21ksoftirqd/023:20:150
30582995018,3cyclictest9-21ksoftirqd/023:53:290
281762500,5sleep09-21ksoftirqd/020:10:210
3058299486,3cyclictest9-21ksoftirqd/023:05:240
30582994718,7cyclictest9-21ksoftirqd/021:57:100
30582994718,7cyclictest9-21ksoftirqd/021:40:490
132891460,8getstats3058599cyclictest22:17:363
30582994418,4cyclictest9-21ksoftirqd/019:30:280
30582994338,3cyclictest15253-21cron22:05:000
136991430,0ptp4l401ktimersoftd/322:10:233
3058299422,5cyclictest9-21ksoftirqd/022:40:260
136991420,0ptp4l401ktimersoftd/321:00:243
136991420,0ptp4l401ktimersoftd/320:01:073
59298410,26rtkit-daemon7462-21chrt21:44:251
30582994037,2cyclictest111rcuc/019:26:540
3029124031,3sleep00-21swapper/019:10:010
2463824035,2sleep2321ktimersoftd/223:30:142
30585993934,3cyclictest41-21ksoftirqd/323:20:013
30583993932,4cyclictest25-21ksoftirqd/121:26:161
136991390,0ptp4l401ktimersoftd/322:28:383
136991390,0ptp4l401ktimersoftd/300:27:493
30584993831,4cyclictest33-21ksoftirqd/221:47:432
30583993832,4cyclictest12478-21kworker/1:120:20:011
30582993835,2cyclictest111rcuc/023:00:070
30585993731,4cyclictest41-21ksoftirqd/322:20:583
30585993731,4cyclictest41-21ksoftirqd/321:57:433
30584993731,4cyclictest33-21ksoftirqd/221:51:202
30584993731,4cyclictest33-21ksoftirqd/221:44:422
30584993730,4cyclictest33-21ksoftirqd/221:25:452
30583993732,3cyclictest25-21ksoftirqd/100:35:121
30583993731,4cyclictest25-21ksoftirqd/122:36:571
30583993730,5cyclictest25-21ksoftirqd/120:08:381
30583993729,5cyclictest25-21ksoftirqd/100:05:051
3058299374,5cyclictest9-21ksoftirqd/000:15:140
3058299374,5cyclictest9-21ksoftirqd/000:15:140
30582993734,2cyclictest111rcuc/020:07:010
30582993731,4cyclictest9-21ksoftirqd/020:50:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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