You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-27 - 09:49
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Apr 27, 2024 00:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1176911760,47ptp4l0-21swapper/119:06:471
2174221700,9sleep22302699cyclictest21:21:482
1176911700,15ptp4l0-21swapper/219:09:122
1176911670,16ptp4l0-21swapper/019:07:010
2370421640,6sleep22302699cyclictest19:10:192
1176911140,17ptp4l0-21swapper/319:08:483
117791820,9getstats2302699cyclictest23:46:492
230892740,9sleep32302799cyclictest20:15:323
28172730,7sleep1241ktimersoftd/121:50:181
117691690,4ptp4l4188-21hddtemp_smartct20:45:171
117691680,2ptp4l0-21swapper/122:53:491
117691680,2ptp4l0-21swapper/121:00:241
117691680,1ptp4l0-21swapper/300:00:053
117691660,2ptp4l0-21swapper/123:45:271
117691640,4ptp4l121rcu_preempt20:14:251
117691640,10ptp4l0-21swapper/223:15:212
117691610,2ptp4l0-21swapper/100:05:231
117691610,2ptp4l0-21swapper/100:05:221
2302699601,22cyclictest20787-21snmpd22:56:582
2302699601,22cyclictest20787-21snmpd22:56:582
117691600,2ptp4l0-21swapper/322:05:473
117691600,2ptp4l0-21swapper/123:04:581
117691600,2ptp4l0-21swapper/120:15:281
117691600,2ptp4l0-21swapper/022:16:550
117691590,2ptp4l0-21swapper/322:39:553
117691590,2ptp4l0-21swapper/220:35:252
117691590,2ptp4l0-21swapper/100:22:521
117691590,2ptp4l0-21swapper/020:50:330
117691590,1ptp4l0-21swapper/122:19:201
117691590,1ptp4l0-21swapper/020:05:190
117691590,11ptp4l0-21swapper/123:53:391
263332580,3sleep20-21swapper/220:25:162
117691580,2ptp4l0-21swapper/300:20:243
117691580,2ptp4l0-21swapper/222:01:422
117691580,2ptp4l0-21swapper/220:47:382
117691580,2ptp4l0-21swapper/022:27:160
117691580,2ptp4l0-21swapper/021:52:000
117691580,1ptp4l0-21swapper/023:18:370
117691570,2ptp4l0-21swapper/223:35:022
117691570,2ptp4l0-21swapper/219:55:122
117691570,2ptp4l0-21swapper/219:32:542
117691570,2ptp4l0-21swapper/122:26:581
117691570,2ptp4l0-21swapper/021:46:440
117691570,2ptp4l0-21swapper/021:35:560
117691570,2ptp4l0-21swapper/000:02:060
117691560,2ptp4l0-21swapper/321:27:573
117691560,2ptp4l0-21swapper/300:10:263
117691560,2ptp4l0-21swapper/300:10:263
117691560,2ptp4l0-21swapper/123:35:031
117691560,2ptp4l0-21swapper/120:20:181
117691560,2ptp4l0-21swapper/020:13:240
117691560,2ptp4l0-21swapper/019:45:490
117691560,1ptp4l0-21swapper/219:19:242
117691560,1ptp4l0-21swapper/023:40:320
117691560,13ptp4l0-21swapper/120:29:011
117691550,2ptp4l0-21swapper/120:54:381
117691550,2ptp4l0-21swapper/120:00:341
117691550,2ptp4l0-21swapper/100:31:561
117691550,2ptp4l0-21swapper/023:51:080
117691550,2ptp4l0-21swapper/022:47:240
117691550,12ptp4l0-21swapper/121:57:471
117691540,2ptp4l0-21swapper/023:27:560
117691540,1ptp4l0-21swapper/020:44:090
117691540,1ptp4l0-21swapper/020:24:300
117691530,2ptp4l0-21swapper/022:11:150
117691530,1ptp4l0-21swapper/021:05:110
117691530,12ptp4l0-21swapper/123:43:021
23027995212,7cyclictest41-21ksoftirqd/322:00:183
23027995210,7cyclictest41-21ksoftirqd/319:45:013
189022520,2sleep20-21swapper/222:25:122
117691520,9ptp4l0-21swapper/123:21:031
117691520,2ptp4l0-21swapper/023:57:440
117691520,2ptp4l0-21swapper/019:35:260
117691520,1ptp4l0-21swapper/123:57:251
117691520,1ptp4l0-21swapper/100:01:521
117691520,1ptp4l0-21swapper/022:06:490
117691520,14ptp4l24155-21df_inode20:20:142
117691520,12ptp4l10471-21apt-get00:25:121
117691520,10ptp4l0-21swapper/122:36:191
2302799518,7cyclictest41-21ksoftirqd/323:12:223
2302799517,7cyclictest41-21ksoftirqd/323:00:333
2302799514,8cyclictest41-21ksoftirqd/320:10:273
117691510,2ptp4l0-21swapper/220:42:542
117691510,2ptp4l0-21swapper/020:33:360
117691510,2ptp4l0-21swapper/020:17:420
117691510,2ptp4l0-21swapper/019:12:290
117691510,2ptp4l0-21swapper/000:35:250
2302799508,7cyclictest41-21ksoftirqd/322:25:083
2302799508,7cyclictest41-21ksoftirqd/322:23:433
2302799505,8cyclictest41-21ksoftirqd/319:30:203
23027995017,5cyclictest41-21ksoftirqd/321:37:583
117691500,8ptp4l0-21swapper/019:30:260
117691500,2ptp4l0-21swapper/319:22:253
117691500,2ptp4l0-21swapper/123:34:321
117691500,2ptp4l0-21swapper/123:09:321
117691500,2ptp4l0-21swapper/122:55:111
117691500,2ptp4l0-21swapper/122:55:111
117691500,2ptp4l0-21swapper/121:46:211
117691500,2ptp4l0-21swapper/120:39:291
117691500,2ptp4l0-21swapper/120:31:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional