You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-22 - 09:06
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 50 highest latencies:
System rack5slot3.osadl.org (updated Fri Nov 22, 2024 00:50:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1923929287,2sleep60-21swapper/619:05:246
1941228454,26sleep00-21swapper/019:05:490
1967228248,30sleep70-21swapper/719:09:337
1966827945,29sleep30-21swapper/319:09:293
1953827742,30sleep40-21swapper/419:07:374
1947927743,29sleep20-21swapper/219:06:482
1956427642,30sleep10-21swapper/119:07:591
1945327541,29sleep50-21swapper/519:06:275
267882500,0sleep50-21swapper/523:28:475
214392500,0sleep30-21swapper/321:52:293
116972500,0sleep70-21swapper/723:53:567
26902480,0sleep50-21swapper/520:25:135
213012480,0sleep10-21swapper/121:36:421
165942480,1sleep72014299cyclictest22:05:227
252742470,0sleep70-21swapper/722:25:177
155142460,0sleep70-21swapper/700:26:317
118982440,0sleep10-21swapper/122:50:161
292522430,0sleep20-21swapper/221:40:192
13032430,0sleep10-21swapper/123:00:181
20136993737,0cyclictest0-21swapper/120:25:161
20140993028,1cyclictest313-21systemd-journal23:58:255
20139992810,17cyclictest0-21swapper/422:40:114
20136992828,0cyclictest0-21swapper/123:21:121
20137992423,1cyclictest0-21swapper/220:30:112
20140992116,5cyclictest662-21ptp4l00:21:385
20139992110,9cyclictest0-21swapper/423:14:544
20139992110,7cyclictest0-21swapper/421:58:344
20139992110,6cyclictest0-21swapper/422:46:264
20142992016,3cyclictest18400-21nscd00:02:347
20139992017,0cyclictest69450irq/124-eth023:32:134
20139992010,9cyclictest69450irq/124-eth000:15:124
20139992010,9cyclictest0-21swapper/423:44:084
20139992010,9cyclictest0-21swapper/422:00:214
20139992010,9cyclictest0-21swapper/400:30:564
20139992010,7cyclictest0-21swapper/400:39:374
20139992010,6cyclictest0-21swapper/422:24:244
20139992010,6cyclictest0-21swapper/422:13:574
20139992010,5cyclictest0-21swapper/421:44:354
20138992017,3cyclictest2593-21kworker/3:100:18:413
20138992015,5cyclictest2593-21kworker/3:100:12:063
20137992020,0cyclictest0-21swapper/200:18:202
20137992010,0cyclictest0-21swapper/223:11:422
20135992010,10cyclictest0-21swapper/022:50:280
20142991917,2cyclictest23139-21munin-node22:56:267
20141991919,0cyclictest0-21swapper/620:30:116
20139991910,8cyclictest0-21swapper/423:49:324
20139991910,8cyclictest0-21swapper/423:36:264
20139991910,8cyclictest0-21swapper/422:16:204
20139991910,8cyclictest0-21swapper/421:50:114
20139991910,8cyclictest0-21swapper/421:48:074
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional