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2024-05-29 - 19:59
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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 Wed May 29, 2024 12:46:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1829321690,3sleep32980299cyclictest12:30:003
295052136114,9sleep20-21swapper/207:09:542
8255911160,4ptp4l401ktimersoftd/307:09:513
1510921040,2sleep10-21swapper/107:45:221
2919328010,58sleep00-21swapper/007:05:570
293062762,62sleep10-21swapper/107:07:271
2980199690,28cyclictest6783-21/usr/sbin/munin12:05:322
259012660,5sleep22980199cyclictest08:10:112
106032650,7sleep12980099cyclictest07:35:381
149762630,2sleep00-21swapper/010:05:000
825591620,4ptp4l401ktimersoftd/307:10:003
825591620,1ptp4l401ktimersoftd/309:03:363
29800996254,5cyclictest25-21ksoftirqd/109:30:091
154242620,6sleep32980299cyclictest11:13:293
825591600,1ptp4l401ktimersoftd/309:08:383
825591580,1ptp4l401ktimersoftd/307:52:003
57698580,2rtkit-daemon0-21swapper/108:56:401
29800995850,5cyclictest25-21ksoftirqd/111:55:111
29800995347,3cyclictest25-21ksoftirqd/108:19:591
29800995243,5cyclictest25-21ksoftirqd/109:05:141
29800995140,6cyclictest25-21ksoftirqd/108:10:131
29800994841,4cyclictest25-21ksoftirqd/112:10:001
29799994840,5cyclictest9-21ksoftirqd/008:55:000
29799994840,5cyclictest9-21ksoftirqd/008:54:590
825591470,1ptp4l401ktimersoftd/312:15:293
29802994741,3cyclictest41-21ksoftirqd/307:40:003
29802994739,5cyclictest26447-21cron10:30:003
29801994740,4cyclictest19406-21cron10:15:002
2980199470,27cyclictest26653-21timerandwakeup11:35:342
29802994640,3cyclictest41-21ksoftirqd/308:20:003
29800994640,3cyclictest25-21ksoftirqd/107:45:011
29800994639,4cyclictest25-21ksoftirqd/107:55:461
29802994538,4cyclictest41-21ksoftirqd/308:15:003
29801994537,5cyclictest13528-21cron12:20:002
29800994539,3cyclictest25-21ksoftirqd/109:15:001
29800994535,7cyclictest25-21ksoftirqd/110:43:171
29802994439,3cyclictest41-21ksoftirqd/311:19:593
29800994438,3cyclictest25-21ksoftirqd/111:20:001
29800994438,3cyclictest25-21ksoftirqd/109:45:171
29800994437,4cyclictest25-21ksoftirqd/112:30:011
29800994436,5cyclictest25-21ksoftirqd/109:25:101
29802994329,7cyclictest41-21ksoftirqd/308:55:123
29800994337,3cyclictest25-21ksoftirqd/111:45:001
29800994337,3cyclictest25-21ksoftirqd/111:44:591
29800994337,3cyclictest25-21ksoftirqd/111:30:001
825591420,1ptp4l401ktimersoftd/310:10:323
29802994235,4cyclictest41-21ksoftirqd/310:00:003
29802994228,7cyclictest41-21ksoftirqd/310:35:113
29800994236,3cyclictest25-21ksoftirqd/111:55:001
29800994236,3cyclictest25-21ksoftirqd/110:50:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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