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2024-07-16 - 08:44
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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 Mon Jul 15, 2024 12:46:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
825991201178,10phc2sys0-21swapper/307:07:153
825991201178,10phc2sys0-21swapper/307:07:153
1142121430,2sleep10-21swapper/108:15:241
576981380,110rtkit-daemon10133-21apache207:08:580
576981380,110rtkit-daemon10133-21apache207:08:580
364021120,5sleep31223299cyclictest08:00:163
988728057,10sleep10-21swapper/107:05:131
988728057,10sleep10-21swapper/107:05:121
12372770,8sleep31223299cyclictest12:25:413
825591750,1ptp4l401ktimersoftd/311:27:343
103452750,19sleep20-21swapper/207:05:172
103452750,19sleep20-21swapper/207:05:172
825591720,1ptp4l401ktimersoftd/307:51:393
825591640,2ptp4l26393-21fschecks_time09:55:163
825591630,1ptp4l401ktimersoftd/308:17:343
825591610,1ptp4l401ktimersoftd/312:01:113
12232995741,9cyclictest41-21ksoftirqd/307:25:113
825591560,1ptp4l391rcuc/308:28:153
178462560,2sleep20-21swapper/211:55:172
12232995437,8cyclictest41-21ksoftirqd/311:45:103
825591500,1ptp4l401ktimersoftd/309:41:173
12232994935,6cyclictest41-21ksoftirqd/310:45:163
229562480,22sleep00-21swapper/012:05:190
12232994830,9cyclictest41-21ksoftirqd/309:45:153
1222999480,4cyclictest121rcu_preempt07:30:230
12232994734,7cyclictest41-21ksoftirqd/307:35:123
12230994734,8cyclictest25-21ksoftirqd/112:10:131
825591460,1ptp4l401ktimersoftd/312:09:323
12232994640,4cyclictest41-21ksoftirqd/311:00:003
12232994640,3cyclictest41-21ksoftirqd/310:20:013
12232994640,3cyclictest41-21ksoftirqd/308:40:003
12232994538,4cyclictest27104-21cron12:15:003
12231994337,3cyclictest33-21ksoftirqd/208:40:002
950424234,3sleep09-21ksoftirqd/010:25:380
12232994236,3cyclictest41-21ksoftirqd/309:30:133
12232994234,4cyclictest41-21ksoftirqd/308:10:013
12232994228,8cyclictest41-21ksoftirqd/307:20:123
12231994235,4cyclictest33-21ksoftirqd/208:41:122
12232994136,3cyclictest41-21ksoftirqd/308:25:013
12232994134,4cyclictest41-21ksoftirqd/310:05:003
12232994134,4cyclictest41-21ksoftirqd/310:05:003
1223199412,37cyclictest178-21jbd2/sda1-812:36:052
12229994134,4cyclictest9-21ksoftirqd/008:55:010
12229994130,9cyclictest9-21ksoftirqd/007:30:010
12232994034,3cyclictest41-21ksoftirqd/311:10:143
12232994033,4cyclictest41-21ksoftirqd/312:15:453
12232994033,4cyclictest41-21ksoftirqd/308:41:553
12230994035,3cyclictest25-21ksoftirqd/112:09:591
12230994033,4cyclictest25-21ksoftirqd/108:40:001
825591390,1ptp4l401ktimersoftd/307:45:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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