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2024-04-27 - 15:02
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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 rackeslot2.osadl.org (updated Sat Apr 27, 2024 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
202023421030,1sleep12020236-21processes23:00:251
17375072910,2sleep00-21swapper/019:40:210
17817432900,2sleep10-21swapper/120:20:031
18689682860,2sleep20-21swapper/221:25:312
1699051994227,7cyclictest0-21swapper/200:30:002
1699051993117,9cyclictest0-21swapper/223:15:102
18082082300,2chrt0-21swapper/220:40:192
169905199272,16cyclictest0-21swapper/222:40:012
2358491260,3ptp4l0-21swapper/319:10:123
2358491250,5ptp4l164790irq/127-enp1s0-TxRx-023:01:243
2358491250,5ptp4l164790irq/127-enp1s0-TxRx-000:31:263
2358491250,4ptp4l164790irq/127-enp1s0-TxRx-022:13:023
2358491250,4ptp4l164790irq/127-enp1s0-TxRx-021:54:273
2358491250,4ptp4l164790irq/127-enp1s0-TxRx-021:54:273
2358491250,3ptp4l0-21swapper/319:05:103
19280322250,2chrt0-21swapper/322:05:163
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-023:20:393
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-021:35:123
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-020:21:363
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-000:20:483
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-023:18:443
188603522420,2sleep20-21swapper/221:37:472
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-023:54:143
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-023:26:333
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-022:47:063
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-022:18:033
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-020:26:413
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-000:28:173
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-000:16:393
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-022:54:103
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-022:30:583
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-021:48:063
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-021:32:063
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-021:11:073
2358491230,3ptp4l0-21swapper/321:25:133
2358491230,3ptp4l0-21swapper/319:20:103
2358491230,2ptp4l0-21swapper/323:45:383
2358491230,12ptp4l164790irq/127-enp1s0-TxRx-022:02:133
217381222319,2sleep20-21swapper/200:37:152
216491322319,2sleep20-21swapper/200:30:342
214878922319,2sleep20-21swapper/200:20:312
214067922319,2sleep20-21swapper/200:15:302
212693622319,2sleep20-21swapper/200:09:532
211705022319,2sleep20-21swapper/200:01:202
208537522319,2sleep20-21swapper/223:41:562
206934222319,2sleep20-21swapper/223:31:542
203753922319,2sleep20-21swapper/223:12:102
200528122319,2sleep20-21swapper/222:51:342
197475122319,2sleep20-21swapper/222:34:142
196534022319,2sleep20-21swapper/222:26:302
195220222319,2sleep20-21swapper/222:20:152
194095122319,2sleep20-21swapper/222:11:052
193275022319,2sleep20-21swapper/222:05:362
191710722319,2sleep20-21swapper/221:56:102
190811622319,2sleep20-21swapper/221:50:252
190811622319,2sleep20-21swapper/221:50:252
190301922319,2sleep20-21swapper/221:49:452
186021022319,2sleep20-21swapper/221:20:232
185309622319,2sleep20-21swapper/221:15:502
184513822319,2sleep20-21swapper/221:10:492
174053522319,2sleep20-21swapper/219:40:282
169881622318,3sleep20-21swapper/219:09:222
2358491220,6ptp4l164790irq/127-enp1s0-TxRx-022:27:293
2358491220,4ptp4l164790irq/127-enp1s0-TxRx-021:42:253
2358491220,4ptp4l164790irq/127-enp1s0-TxRx-021:16:093
2358491220,4ptp4l164790irq/127-enp1s0-TxRx-000:37:243
2358491220,4ptp4l164790irq/127-enp1s0-TxRx-000:07:053
206069722218,2sleep20-21swapper/223:25:402
205388822218,2sleep20-21swapper/223:22:562
202988022218,2sleep20-21swapper/223:07:452
183331922219,2sleep20-21swapper/221:01:162
182149422219,2sleep20-21swapper/220:50:582
179870222219,2sleep20-21swapper/220:33:462
179273922219,2sleep20-21swapper/220:25:462
178125222219,2sleep20-21swapper/220:16:112
177546722219,2sleep20-21swapper/220:10:422
176991722219,2sleep20-21swapper/220:08:132
176410422219,2sleep20-21swapper/220:01:482
173539322219,2sleep20-21swapper/219:37:032
2358491210,6ptp4l164790irq/127-enp1s0-TxRx-020:30:103
2358491210,4ptp4l164790irq/127-enp1s0-TxRx-023:41:363
2358491210,4ptp4l164790irq/127-enp1s0-TxRx-023:32:193
2358491210,4ptp4l164790irq/127-enp1s0-TxRx-022:22:043
2358491210,4ptp4l164790irq/127-enp1s0-TxRx-021:23:173
2358491210,4ptp4l164790irq/127-enp1s0-TxRx-020:45:013
2358491210,4ptp4l164790irq/127-enp1s0-TxRx-019:45:103
2358491210,3ptp4l164790irq/127-enp1s0-TxRx-023:55:233
2358491210,3ptp4l164790irq/127-enp1s0-TxRx-023:11:133
2358491210,3ptp4l164790irq/127-enp1s0-TxRx-021:58:393
2358491210,3ptp4l164790irq/127-enp1s0-TxRx-021:00:563
2358491210,2ptp4l0-21swapper/320:35:323
2358491210,11ptp4l164790irq/127-enp1s0-TxRx-023:35:123
23582912115,2phc2sys0-21swapper/320:08:113
23582912115,2phc2sys0-21swapper/319:31:213
23582912115,2phc2sys0-21swapper/319:28:153
178715722118,2sleep20-21swapper/220:22:522
175271722118,2sleep20-21swapper/219:52:502
174681122118,2sleep20-21swapper/219:45:492
172977822118,2sleep20-21swapper/219:33:472
172395922118,2sleep20-21swapper/219:27:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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