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2026-03-12 - 12:53
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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 100 highest latencies:
System rackdslot3.osadl.org (updated Thu Mar 12, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121252232166,22sleep00-21swapper/019:06:060
139491207168,27phc2sys0-21swapper/319:07:103
122092205172,22sleep10-21swapper/119:07:121
121172203170,22sleep20-21swapper/219:06:002
2409521610,3sleep31272199cyclictest20:40:163
516921560,6sleep31272199cyclictest21:10:003
12720996732,5cyclictest33-21ksoftirqd/223:25:002
139391650,1ptp4l401ktimersoftd/319:26:443
129932650,7sleep11271999cyclictest23:40:141
139391640,1ptp4l401ktimersoftd/321:30:103
139391640,1ptp4l401ktimersoftd/300:28:283
12720996431,4cyclictest33-21ksoftirqd/222:20:232
12720996230,6cyclictest33-21ksoftirqd/219:10:242
12720996228,5cyclictest33-21ksoftirqd/200:20:002
12720996128,9cyclictest33-21ksoftirqd/219:55:012
12720996125,4cyclictest33-21ksoftirqd/223:45:272
12719996132,4cyclictest25-21ksoftirqd/122:50:231
12718996129,4cyclictest9-21ksoftirqd/000:20:000
12720996031,3cyclictest33-21ksoftirqd/222:05:002
12720996029,9cyclictest33-21ksoftirqd/223:40:132
12720996025,4cyclictest33-21ksoftirqd/221:55:182
12719996028,4cyclictest25-21ksoftirqd/100:10:011
12720995931,8cyclictest33-21ksoftirqd/219:45:152
12720995929,6cyclictest33-21ksoftirqd/223:10:172
12720995928,9cyclictest33-21ksoftirqd/221:20:272
12720995928,6cyclictest33-21ksoftirqd/221:05:142
12720995928,6cyclictest33-21ksoftirqd/219:40:192
12720995921,10cyclictest33-21ksoftirqd/222:45:152
12718995924,4cyclictest9-21ksoftirqd/022:10:000
12720995831,12cyclictest33-21ksoftirqd/222:15:122
12720995827,6cyclictest33-21ksoftirqd/220:30:152
12720995826,6cyclictest33-21ksoftirqd/223:35:172
12719995827,3cyclictest25-21ksoftirqd/123:55:161
12719995814,8cyclictest25-21ksoftirqd/122:15:151
12720995726,9cyclictest33-21ksoftirqd/222:35:252
12720995724,5cyclictest33-21ksoftirqd/223:30:122
12720995722,6cyclictest33-21ksoftirqd/221:15:132
12720995722,5cyclictest33-21ksoftirqd/223:05:182
12720995722,5cyclictest33-21ksoftirqd/200:30:252
12720995721,6cyclictest33-21ksoftirqd/200:00:232
12720995721,5cyclictest33-21ksoftirqd/221:10:182
12720995719,8cyclictest33-21ksoftirqd/220:00:262
320142560,2sleep30-21swapper/300:20:113
12720995631,4cyclictest33-21ksoftirqd/200:10:132
12720995625,5cyclictest33-21ksoftirqd/222:05:242
12720995625,5cyclictest33-21ksoftirqd/219:55:182
12720995624,6cyclictest33-21ksoftirqd/222:40:172
12720995621,6cyclictest33-21ksoftirqd/221:40:202
12720995525,5cyclictest33-21ksoftirqd/220:45:182
12720995523,5cyclictest33-21ksoftirqd/223:25:152
12720995523,5cyclictest33-21ksoftirqd/200:05:122
12720995522,7cyclictest33-21ksoftirqd/221:25:172
12720995520,5cyclictest33-21ksoftirqd/219:35:232
163652540,1sleep20-21swapper/219:15:222
12720995427,6cyclictest33-21ksoftirqd/200:20:142
12720995423,5cyclictest33-21ksoftirqd/223:15:182
12720995422,8cyclictest33-21ksoftirqd/221:45:142
12719995414,8cyclictest25-21ksoftirqd/120:15:021
12720995322,8cyclictest33-21ksoftirqd/221:35:112
12720995322,5cyclictest33-21ksoftirqd/222:59:172
12720995319,5cyclictest33-21ksoftirqd/221:50:172
139391520,2ptp4l401ktimersoftd/320:50:343
1272099525,6cyclictest33-21ksoftirqd/220:50:132
1272099525,5cyclictest33-21ksoftirqd/200:40:012
12720995228,7cyclictest33-21ksoftirqd/220:25:132
12719995225,9cyclictest25-21ksoftirqd/120:25:261
12719995211,10cyclictest25-21ksoftirqd/120:35:181
12718995223,3cyclictest9-21ksoftirqd/021:55:210
1272099516,6cyclictest33-21ksoftirqd/221:30:192
1272099515,5cyclictest33-21ksoftirqd/200:25:192
1272099514,6cyclictest33-21ksoftirqd/223:55:202
12720995123,8cyclictest33-21ksoftirqd/220:55:182
12720995120,7cyclictest33-21ksoftirqd/223:00:132
12720995118,6cyclictest33-21ksoftirqd/220:05:172
12720995117,8cyclictest33-21ksoftirqd/220:20:192
12720995115,7cyclictest33-21ksoftirqd/222:50:512
1271999519,7cyclictest25-21ksoftirqd/120:49:301
12719995123,8cyclictest25-21ksoftirqd/122:40:141
12719995114,9cyclictest25-21ksoftirqd/100:20:161
12718995120,4cyclictest9-21ksoftirqd/023:05:180
1272099504,5cyclictest33-21ksoftirqd/220:40:242
12720995031,9cyclictest33-21ksoftirqd/221:00:152
12719995027,5cyclictest25-21ksoftirqd/121:15:131
12718995018,4cyclictest9-21ksoftirqd/021:30:130
1272099495,5cyclictest33-21ksoftirqd/222:30:152
1272099494,6cyclictest33-21ksoftirqd/219:30:222
1272099491,6cyclictest33-21ksoftirqd/222:25:272
12718994916,3cyclictest9-21ksoftirqd/020:40:230
134491480,7getstats1272199cyclictest19:59:573
1272099485,6cyclictest33-21ksoftirqd/220:10:172
1272099484,6cyclictest33-21ksoftirqd/220:15:172
1272099483,7cyclictest33-21ksoftirqd/222:10:132
12720994825,3cyclictest33-21ksoftirqd/219:20:202
12719994830,5cyclictest25-21ksoftirqd/120:40:241
12718994822,4cyclictest9-21ksoftirqd/019:35:220
12718994819,4cyclictest9-21ksoftirqd/000:00:250
12718994818,4cyclictest9-21ksoftirqd/022:30:250
12718994817,3cyclictest9-21ksoftirqd/020:35:130
12718994817,3cyclictest9-21ksoftirqd/000:10:170
12718994816,3cyclictest9-21ksoftirqd/019:50:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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