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2024-07-24 - 05:39
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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 Wed Jul 24, 2024 00:46:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
975521780,8sleep2801599cyclictest22:40:192
1176911590,16ptp4l0-21swapper/019:05:460
1180721580,7sleep1801499cyclictest19:15:301
1176911580,15ptp4l0-21swapper/119:08:401
1176911490,13ptp4l0-21swapper/219:05:222
1176911250,14ptp4l0-21swapper/319:05:033
6432940,2sleep30-21swapper/320:00:333
36712690,3sleep33666-21latency_hist20:10:003
117691660,8ptp4l0-21swapper/019:50:350
8015996251,6cyclictest33-21ksoftirqd/223:40:152
207102620,6sleep1801499cyclictest23:05:151
117691620,2ptp4l0-21swapper/023:52:320
8015996150,6cyclictest33-21ksoftirqd/221:25:112
8015996149,7cyclictest33-21ksoftirqd/219:35:122
191972610,2sleep1231rcuc/121:50:241
155272610,3sleep20-21swapper/200:00:322
117691610,9ptp4l0-21swapper/000:38:590
117691600,2ptp4l0-21swapper/323:50:243
117691600,2ptp4l0-21swapper/222:20:142
117691600,2ptp4l0-21swapper/021:25:160
117691590,2ptp4l0-21swapper/221:02:362
8015995846,7cyclictest33-21ksoftirqd/219:50:122
8015995845,7cyclictest33-21ksoftirqd/221:35:122
8015995820,10cyclictest33-21ksoftirqd/219:15:212
55198580,16rtkit-daemon6362-21/usr/sbin/munin21:25:313
117691580,8ptp4l0-21swapper/020:22:190
117691580,7ptp4l0-21swapper/000:14:280
117691580,2ptp4l0-21swapper/220:35:142
8015995747,5cyclictest33-21ksoftirqd/223:10:122
8015995747,5cyclictest33-21ksoftirqd/200:15:112
117691570,2ptp4l0-21swapper/219:25:402
117691570,2ptp4l0-21swapper/022:51:470
117691570,2ptp4l0-21swapper/022:51:470
117691570,2ptp4l0-21swapper/022:44:280
117691570,2ptp4l0-21swapper/021:19:520
117691570,2ptp4l0-21swapper/020:59:500
117691570,1ptp4l0-21swapper/223:30:312
117691570,12ptp4l0-21swapper/320:15:143
117691570,12ptp4l0-21swapper/320:15:133
8015995645,6cyclictest33-21ksoftirqd/223:55:152
117691560,2ptp4l0-21swapper/021:10:290
117691560,2ptp4l0-21swapper/020:00:240
117691560,1ptp4l0-21swapper/323:20:183
117691560,1ptp4l0-21swapper/221:55:152
117691550,2ptp4l0-21swapper/321:11:003
117691550,2ptp4l0-21swapper/023:43:300
117691550,2ptp4l0-21swapper/000:15:110
8015995443,6cyclictest33-21ksoftirqd/220:10:122
117691540,2ptp4l0-21swapper/222:35:262
117691540,2ptp4l0-21swapper/023:30:320
117691540,2ptp4l0-21swapper/023:21:440
117691540,2ptp4l0-21swapper/022:31:370
117691540,2ptp4l0-21swapper/022:09:020
117691540,2ptp4l0-21swapper/021:48:380
8015995342,6cyclictest33-21ksoftirqd/223:20:112
8015995342,6cyclictest33-21ksoftirqd/222:00:122
117691530,2ptp4l0-21swapper/222:18:452
117691530,2ptp4l0-21swapper/200:25:042
117691530,2ptp4l0-21swapper/023:06:010
117691530,2ptp4l0-21swapper/022:36:590
117691530,2ptp4l0-21swapper/021:36:310
117691530,2ptp4l0-21swapper/021:32:480
117691530,2ptp4l0-21swapper/020:36:130
117691530,2ptp4l0-21swapper/020:29:430
55198520,2rtkit-daemon0-21swapper/319:53:053
117691520,2ptp4l0-21swapper/220:40:062
117691520,2ptp4l0-21swapper/020:51:000
117691520,1ptp4l0-21swapper/322:10:043
8015995126,5cyclictest33-21ksoftirqd/223:50:222
8015995124,4cyclictest33-21ksoftirqd/220:50:152
117691510,2ptp4l0-21swapper/322:45:363
117691510,2ptp4l0-21swapper/319:45:293
117691510,2ptp4l0-21swapper/300:30:563
117691510,2ptp4l0-21swapper/020:45:550
117691510,2ptp4l0-21swapper/019:21:360
117691510,1ptp4l0-21swapper/321:55:133
117691510,1ptp4l0-21swapper/320:20:263
117691510,1ptp4l0-21swapper/223:45:552
8015995023,6cyclictest33-21ksoftirqd/221:15:452
8015995023,4cyclictest33-21ksoftirqd/223:05:212
117691500,2ptp4l0-21swapper/322:04:283
117691500,2ptp4l0-21swapper/319:28:373
117691500,2ptp4l0-21swapper/221:54:292
117691500,2ptp4l0-21swapper/221:40:072
117691500,2ptp4l0-21swapper/122:53:241
117691500,2ptp4l0-21swapper/122:53:241
117691500,2ptp4l0-21swapper/019:57:570
117691500,12ptp4l19881-21apt-get19:35:123
8015994925,4cyclictest33-21ksoftirqd/222:05:222
8015994923,4cyclictest33-21ksoftirqd/220:00:202
8015994915,11cyclictest33-21ksoftirqd/220:05:272
117691490,2ptp4l0-21swapper/222:32:152
117691490,2ptp4l0-21swapper/220:31:152
117691490,2ptp4l0-21swapper/023:56:490
117691490,1ptp4l0-21swapper/321:50:373
117691490,1ptp4l0-21swapper/321:05:583
117691490,1ptp4l0-21swapper/320:50:553
117691490,1ptp4l0-21swapper/221:48:222
117691490,1ptp4l0-21swapper/219:13:182
117691490,1ptp4l0-21swapper/200:38:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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