You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-17 - 05:14
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot8.osadl.org (updated Mon Nov 17, 2025 00:49:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14121992209,161cyclictest0-21swapper/2223:52:5815
14121992209,161cyclictest0-21swapper/2223:52:5715
2482911890,181ptp4l0-21swapper/119:09:071
2482911890,181ptp4l0-21swapper/119:09:061
14121991679,120cyclictest0-21swapper/2222:20:1315
141219916310,152cyclictest0-21swapper/2222:32:3015
14121991629,112cyclictest0-21swapper/2222:05:4015
139929915947,97cyclictest0-21swapper/019:30:160
139929915534,106cyclictest0-21swapper/000:25:120
139929915233,66cyclictest0-21swapper/020:40:150
139929915231,81cyclictest0-21swapper/020:35:260
139929915131,74cyclictest0-21swapper/023:10:260
139929915131,74cyclictest0-21swapper/023:10:250
139929914929,98cyclictest0-21swapper/020:05:170
139929914849,82cyclictest0-21swapper/022:50:200
329891147139,6phc2sys0-21swapper/219:05:1312
329891147139,6phc2sys0-21swapper/219:05:1312
140229914641,51cyclictest0-21swapper/522:56:1627
139929914624,103cyclictest0-21swapper/000:16:110
14121991459,83cyclictest0-21swapper/2200:06:3315
14121991459,83cyclictest0-21swapper/2200:06:3315
139969914424,101cyclictest0-21swapper/122:16:071
14121991439,82cyclictest0-21swapper/2221:30:1715
14121991420,86cyclictest0-21swapper/2223:14:1215
14121991420,86cyclictest0-21swapper/2223:14:1215
140229914234,95cyclictest0-21swapper/520:48:4427
141219914110,96cyclictest0-21swapper/2221:15:0015
140229914134,106cyclictest0-21swapper/521:42:3227
14092991400,84cyclictest0-21swapper/1822:59:5810
140229913919,111cyclictest0-21swapper/522:37:1927
140139913928,69cyclictest0-21swapper/422:12:2926
140139913925,71cyclictest0-21swapper/423:21:4326
140139913925,71cyclictest0-21swapper/423:21:4226
139969913953,59cyclictest0-21swapper/121:49:561
14147991380,84cyclictest0-21swapper/2523:59:3918
14147991380,84cyclictest0-21swapper/2523:59:3918
140229913834,53cyclictest0-21swapper/522:20:1427
13996991380,86cyclictest0-21swapper/122:48:441
14147991370,91cyclictest167-21ksoftirqd/2519:35:4218
139969913654,62cyclictest0-21swapper/120:13:131
139969913527,64cyclictest0-21swapper/123:20:481
139969913527,64cyclictest0-21swapper/123:20:471
139969913442,55cyclictest0-21swapper/123:39:481
139969913442,55cyclictest0-21swapper/123:39:481
139969913428,66cyclictest0-21swapper/119:42:131
139969913428,65cyclictest0-21swapper/123:41:381
139969913428,65cyclictest0-21swapper/123:41:381
141549913356,61cyclictest0-21swapper/2623:42:0319
141549913356,61cyclictest0-21swapper/2623:42:0219
140139913327,65cyclictest0-21swapper/423:53:3126
140139913327,65cyclictest0-21swapper/423:53:3026
140139913326,64cyclictest0-21swapper/423:13:2426
140139913326,64cyclictest0-21swapper/423:13:2426
139969913341,66cyclictest0-21swapper/120:23:551
139969913331,72cyclictest0-21swapper/119:52:221
139969913329,70cyclictest0-21swapper/121:11:271
139969913321,69cyclictest0-21swapper/123:16:481
140229913215,111cyclictest0-21swapper/500:25:1927
140139913244,59cyclictest0-21swapper/421:28:2426
140139913231,81cyclictest40-21ksoftirqd/400:39:0426
140139913231,81cyclictest40-21ksoftirqd/400:39:0326
139969913230,70cyclictest0-21swapper/121:28:021
139969913230,69cyclictest0-21swapper/100:33:271
139969913230,69cyclictest0-21swapper/100:33:271
139969913229,76cyclictest0-21swapper/122:31:371
139969913228,67cyclictest0-21swapper/121:22:411
139969913227,68cyclictest0-21swapper/119:35:491
139969913226,65cyclictest0-21swapper/122:40:101
141829913117,89cyclictest0-21swapper/3021:14:0524
141829913116,113cyclictest0-21swapper/3022:37:5924
14147991310,85cyclictest0-21swapper/2500:07:4118
14147991310,85cyclictest0-21swapper/2500:07:4018
14147991310,80cyclictest0-21swapper/2500:01:1618
14121991319,82cyclictest0-21swapper/2223:00:1715
140139913158,59cyclictest0-21swapper/421:56:2626
140139913129,69cyclictest0-21swapper/423:26:3126
140139913129,69cyclictest0-21swapper/423:26:3026
140139913128,68cyclictest0-21swapper/400:12:4426
140139913128,68cyclictest0-21swapper/400:12:4326
140139913128,65cyclictest0-21swapper/422:55:4726
139969913131,70cyclictest0-21swapper/119:11:461
139969913130,67cyclictest0-21swapper/121:18:561
139969913129,70cyclictest0-21swapper/100:08:211
139969913129,70cyclictest0-21swapper/100:08:201
139969913129,68cyclictest0-21swapper/100:36:091
139969913129,68cyclictest0-21swapper/100:36:081
139969913128,70cyclictest0-21swapper/122:53:061
139969913128,69cyclictest0-21swapper/100:27:501
139929913138,90cyclictest151rcu_preempt21:34:290
141829913016,89cyclictest0-21swapper/3020:37:1124
140139913052,58cyclictest0-21swapper/423:05:2526
140139913036,61cyclictest0-21swapper/423:59:3126
140139913036,61cyclictest0-21swapper/423:59:3026
140139913030,69cyclictest0-21swapper/422:20:0126
140139913029,72cyclictest0-21swapper/421:34:5026
140139913028,67cyclictest0-21swapper/422:39:1126
140139913027,69cyclictest0-21swapper/422:32:4826
140139913027,62cyclictest0-21swapper/423:18:3026
140139913026,69cyclictest0-21swapper/400:01:0026
140139913025,59cyclictest0-21swapper/419:36:1326
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional