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2024-05-08 - 03:19
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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 Tue May 07, 2024 12:46:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1176911840,8ptp4l0-21swapper/107:05:191
1176911770,8ptp4l0-21swapper/007:05:300
3273421760,8sleep1771899cyclictest10:24:591
1833121710,8sleep2771999cyclictest12:10:202
1176911500,8ptp4l0-21swapper/207:09:222
1176911490,42ptp4l0-21swapper/307:09:013
1176911020,8ptp4l0-21swapper/307:10:003
117691800,2ptp4l0-21swapper/208:50:062
238342750,5sleep3216-21systemd-journal11:15:003
117691660,2ptp4l0-21swapper/307:35:363
117691650,2ptp4l0-21swapper/212:30:242
117691650,2ptp4l0-21swapper/011:45:340
117691640,2ptp4l0-21swapper/308:43:353
117691620,2ptp4l0-21swapper/207:15:132
117691610,2ptp4l0-21swapper/309:05:273
186122600,2sleep10-21swapper/109:55:001
117691600,4ptp4l30164-21apt-get10:20:010
117691600,3ptp4l11190-21apt-get08:30:153
117691590,2ptp4l0-21swapper/208:20:292
117691590,1ptp4l0-21swapper/111:10:061
117691580,2ptp4l0-21swapper/312:20:323
117691580,2ptp4l0-21swapper/209:51:072
117691580,2ptp4l0-21swapper/208:55:132
117691580,2ptp4l0-21swapper/109:32:181
117691580,2ptp4l0-21swapper/109:32:181
117691570,8ptp4l0-21swapper/207:33:562
117691570,2ptp4l0-21swapper/309:20:323
117691570,2ptp4l0-21swapper/307:20:013
117691570,2ptp4l0-21swapper/212:37:412
117691570,2ptp4l0-21swapper/211:56:262
117691570,2ptp4l0-21swapper/211:20:502
117691570,2ptp4l0-21swapper/210:40:552
117691570,2ptp4l0-21swapper/209:49:592
117691570,18ptp4l0-21swapper/110:44:441
117691570,15ptp4l30241-21apt-get09:10:103
117691560,2ptp4l0-21swapper/311:05:203
117691560,2ptp4l0-21swapper/307:20:203
117691560,2ptp4l0-21swapper/211:38:222
117691560,2ptp4l0-21swapper/210:38:222
117691560,2ptp4l0-21swapper/210:30:472
117691560,2ptp4l0-21swapper/210:04:012
117691560,2ptp4l0-21swapper/012:35:270
117691560,1ptp4l0-21swapper/011:50:390
117691550,2ptp4l0-21swapper/212:02:342
117691550,2ptp4l0-21swapper/211:31:012
117691550,2ptp4l0-21swapper/211:27:062
117691550,2ptp4l0-21swapper/211:18:182
117691550,2ptp4l0-21swapper/211:13:252
117691550,2ptp4l0-21swapper/209:42:112
117691550,2ptp4l0-21swapper/209:30:052
117691550,2ptp4l0-21swapper/209:30:052
117691550,2ptp4l0-21swapper/207:25:162
117691550,2ptp4l0-21swapper/010:05:170
117691540,2ptp4l0-21swapper/307:54:363
117691540,16ptp4l0-21swapper/112:16:071
117791530,11getstats0-21swapper/208:05:282
117691530,4ptp4l121rcu_preempt08:15:003
117691530,2ptp4l0-21swapper/211:46:462
117691530,2ptp4l0-21swapper/209:05:002
117691530,2ptp4l0-21swapper/012:20:380
117691530,2ptp4l0-21swapper/011:05:250
117691530,2ptp4l0-21swapper/010:25:310
117691530,2ptp4l0-21swapper/009:35:170
117691520,2ptp4l0-21swapper/208:43:522
117691520,1ptp4l0-21swapper/011:32:140
117691510,2ptp4l0-21swapper/208:39:302
117691510,2ptp4l0-21swapper/010:19:180
117691510,1ptp4l0-21swapper/311:29:543
117691510,1ptp4l0-21swapper/009:48:420
117691500,2ptp4l0-21swapper/208:25:312
117691500,2ptp4l0-21swapper/112:12:391
117691500,2ptp4l0-21swapper/110:45:251
117691500,2ptp4l0-21swapper/012:03:520
117691500,2ptp4l0-21swapper/010:35:400
117691500,2ptp4l0-21swapper/008:40:160
117691500,1ptp4l0-21swapper/009:15:350
117691500,1ptp4l0-21swapper/009:02:200
117791490,9getstats0-21swapper/210:47:052
117691490,2ptp4l0-21swapper/212:21:212
117691490,2ptp4l0-21swapper/111:21:141
117691490,2ptp4l0-21swapper/012:07:260
117691490,2ptp4l0-21swapper/010:10:430
117691490,2ptp4l0-21swapper/008:32:400
117691490,1ptp4l0-21swapper/310:28:323
117691490,1ptp4l0-21swapper/211:40:192
117691490,1ptp4l0-21swapper/112:02:091
117691490,1ptp4l0-21swapper/111:17:591
117691490,1ptp4l0-21swapper/109:48:181
117691490,1ptp4l0-21swapper/011:04:470
55198480,2rtkit-daemon0-21swapper/210:12:032
117791480,9getstats0-21swapper/211:07:292
117691480,8ptp4l0-21swapper/212:17:402
117691480,8ptp4l0-21swapper/209:12:532
117691480,2ptp4l0-21swapper/308:15:293
117691480,2ptp4l0-21swapper/308:15:283
117691480,2ptp4l0-21swapper/208:46:582
117691480,2ptp4l0-21swapper/112:31:561
117691480,2ptp4l0-21swapper/011:26:380
117691480,2ptp4l0-21swapper/009:32:560
117691480,2ptp4l0-21swapper/009:32:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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