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2023-11-28 - 20:32
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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 Nov 28, 2023 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2520924290,7sleep325212-21unixbench_singl19:05:433
2012921530,8sleep02586899cyclictest20:05:270
773121160,2sleep10-21swapper/122:00:271
25870999782,8cyclictest33-21ksoftirqd/222:20:212
157922920,5sleep215791-21sed22:15:422
2554529015,18sleep10-21swapper/119:09:331
254842854,21sleep20-21swapper/219:08:452
25870997765,6cyclictest33-21ksoftirqd/222:10:192
25870997764,7cyclictest33-21ksoftirqd/222:05:182
825591730,1ptp4l401ktimersoftd/322:50:293
25870997259,7cyclictest33-21ksoftirqd/221:25:202
25870996957,6cyclictest33-21ksoftirqd/220:15:192
825591670,2ptp4l391rcuc/323:52:203
25870996656,4cyclictest33-21ksoftirqd/200:20:242
25870996554,6cyclictest33-21ksoftirqd/219:35:212
25870996452,7cyclictest33-21ksoftirqd/220:25:212
25870996452,6cyclictest33-21ksoftirqd/219:30:182
2532826444,10sleep00-21swapper/019:06:490
250232630,3sleep00-21swapper/022:35:390
292342620,4sleep2321ktimersoftd/219:15:312
25870996249,7cyclictest33-21ksoftirqd/220:10:192
218022600,2sleep00-21swapper/020:10:020
25870995923,5cyclictest33-21ksoftirqd/219:10:222
25871995730,17cyclictest1123-21snmpd23:05:233
25870995746,7cyclictest33-21ksoftirqd/200:00:192
25870995745,6cyclictest33-21ksoftirqd/219:25:182
25870995724,5cyclictest33-21ksoftirqd/219:40:342
825591560,1ptp4l391rcuc/320:54:433
25870995644,4cyclictest33-21ksoftirqd/223:00:012
25870995521,4cyclictest33-21ksoftirqd/200:20:002
25870995520,4cyclictest33-21ksoftirqd/219:45:332
25870995518,6cyclictest33-21ksoftirqd/222:40:402
191582550,9sleep32587199cyclictest23:35:183
126242550,7sleep012626-21fschecks_count23:20:250
25870995442,7cyclictest33-21ksoftirqd/222:30:202
25870995442,6cyclictest33-21ksoftirqd/221:00:172
25870995420,6cyclictest33-21ksoftirqd/200:26:492
25870995419,5cyclictest33-21ksoftirqd/200:30:242
25870995344,4cyclictest33-21ksoftirqd/223:50:202
25870995320,5cyclictest33-21ksoftirqd/223:20:002
25870995320,4cyclictest33-21ksoftirqd/223:00:312
25870995319,4cyclictest33-21ksoftirqd/223:45:002
25870995318,5cyclictest33-21ksoftirqd/200:35:382
25868995345,4cyclictest9219-21sh22:05:000
25870995217,6cyclictest33-21ksoftirqd/219:55:362
25870995144,4cyclictest33-21ksoftirqd/223:40:012
25870995139,7cyclictest33-21ksoftirqd/220:20:202
25870995043,4cyclictest33-21ksoftirqd/221:10:002
25870995017,4cyclictest33-21ksoftirqd/220:30:372
25870995013,5cyclictest33-21ksoftirqd/222:52:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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