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2024-07-27 - 08:01
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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 rackdslot1.osadl.org (updated Sat Jul 27, 2024 00:46:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
953421680,9sleep01018499cyclictest20:15:310
1176911610,14ptp4l0-21swapper/119:05:011
1176911500,7ptp4l0-21swapper/019:08:580
1176911480,18ptp4l0-21swapper/319:09:433
1176911120,16ptp4l0-21swapper/219:09:502
10186996756,7cyclictest33-21ksoftirqd/219:45:122
117691640,8ptp4l0-21swapper/200:04:482
117691630,2ptp4l0-21swapper/121:08:011
117691630,11ptp4l0-21swapper/220:10:342
117691620,2ptp4l0-21swapper/220:46:382
117691610,8ptp4l0-21swapper/223:39:212
125322600,2sleep00-21swapper/022:40:310
117691600,5ptp4l0-21swapper/319:10:013
10186996049,6cyclictest33-21ksoftirqd/222:25:152
117691590,11ptp4l0-21swapper/000:05:520
117691580,2ptp4l0-21swapper/222:59:122
117691580,2ptp4l0-21swapper/221:52:182
117691580,2ptp4l0-21swapper/221:37:232
117691580,2ptp4l0-21swapper/221:05:142
117691580,2ptp4l0-21swapper/019:40:150
117691580,1ptp4l0-21swapper/023:00:330
117691580,1ptp4l0-21swapper/022:55:300
117691580,1ptp4l0-21swapper/022:10:310
10186995847,6cyclictest33-21ksoftirqd/219:40:132
117691570,7ptp4l0-21swapper/219:11:222
117691570,2ptp4l0-21swapper/222:13:132
117691570,2ptp4l0-21swapper/221:01:582
117691570,2ptp4l0-21swapper/122:50:191
117691570,2ptp4l0-21swapper/019:10:240
117691570,1ptp4l0-21swapper/019:22:380
10186995746,6cyclictest33-21ksoftirqd/200:10:142
117691560,2ptp4l0-21swapper/223:23:222
117691560,2ptp4l0-21swapper/221:27:292
117691560,2ptp4l0-21swapper/220:20:522
117691560,2ptp4l0-21swapper/219:50:452
117691560,1ptp4l0-21swapper/122:26:291
10186995644,7cyclictest33-21ksoftirqd/223:50:102
10186995644,7cyclictest33-21ksoftirqd/223:50:092
117691550,2ptp4l0-21swapper/222:45:072
117691550,2ptp4l0-21swapper/222:39:422
117691550,2ptp4l0-21swapper/221:41:072
117691550,2ptp4l0-21swapper/221:11:132
117691550,2ptp4l0-21swapper/219:24:232
117691550,2ptp4l0-21swapper/123:01:481
117691550,2ptp4l0-21swapper/119:38:471
117691550,2ptp4l0-21swapper/100:38:211
117691550,1ptp4l0-21swapper/120:52:341
117691550,10ptp4l0-21swapper/119:22:291
10186995545,6cyclictest33-21ksoftirqd/222:40:102
117691540,8ptp4l9-21ksoftirqd/020:35:230
117691540,2ptp4l0-21swapper/223:42:452
117691540,2ptp4l0-21swapper/222:03:262
117691540,2ptp4l0-21swapper/122:10:191
117691540,2ptp4l0-21swapper/121:37:281
10186995442,7cyclictest33-21ksoftirqd/220:55:132
117691530,2ptp4l0-21swapper/319:31:343
117691530,2ptp4l0-21swapper/221:19:052
117691530,2ptp4l0-21swapper/221:19:052
117691530,2ptp4l0-21swapper/121:26:271
117691530,2ptp4l0-21swapper/119:30:431
117691530,2ptp4l0-21swapper/100:01:041
117691530,1ptp4l0-21swapper/123:29:361
117691530,1ptp4l0-21swapper/119:42:261
289392520,2sleep30-21swapper/323:15:293
117691520,2ptp4l0-21swapper/223:48:022
117691520,2ptp4l0-21swapper/223:13:062
117691520,2ptp4l0-21swapper/220:19:442
117691520,2ptp4l0-21swapper/200:33:412
117691520,2ptp4l0-21swapper/123:32:391
117691520,2ptp4l0-21swapper/123:13:301
117691520,2ptp4l0-21swapper/122:47:251
117691520,2ptp4l0-21swapper/122:42:331
117691520,15ptp4l1799migration/019:35:000
10186995224,6cyclictest33-21ksoftirqd/223:25:292
117691510,4ptp4l121rcu_preempt21:45:010
117691510,2ptp4l0-21swapper/222:08:202
117691510,2ptp4l0-21swapper/220:08:332
117691510,2ptp4l0-21swapper/219:29:392
117691510,2ptp4l0-21swapper/200:39:242
117691510,2ptp4l0-21swapper/120:45:031
117691510,2ptp4l0-21swapper/100:30:011
117691510,1ptp4l0-21swapper/122:15:291
117691510,1ptp4l0-21swapper/122:00:491
117691510,1ptp4l0-21swapper/121:34:551
117691510,1ptp4l0-21swapper/022:36:540
117691510,1ptp4l0-21swapper/020:46:100
117691500,2ptp4l0-21swapper/220:43:552
117691500,2ptp4l0-21swapper/121:47:581
117691500,2ptp4l0-21swapper/121:23:451
117691500,2ptp4l0-21swapper/121:13:251
117691500,2ptp4l0-21swapper/120:40:471
117691500,2ptp4l0-21swapper/120:36:421
117691500,2ptp4l0-21swapper/120:15:591
117691500,2ptp4l0-21swapper/100:23:241
10186995025,4cyclictest33-21ksoftirqd/221:55:162
55198490,10rtkit-daemon0-21swapper/123:38:591
117691490,2ptp4l0-21swapper/223:08:332
117691490,2ptp4l0-21swapper/200:19:212
117691490,2ptp4l0-21swapper/121:55:231
117691490,2ptp4l0-21swapper/120:00:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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