You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-13 - 08:10
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 50 highest latencies:
System rackdslot0.osadl.org (updated Tue May 13, 2025 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1972599237,15cyclictest12342-21kernelversion20:50:202
1971699230,5cyclictest0-21swapper/020:00:510
19716992213,5cyclictest0-21swapper/019:57:060
1972599211,19cyclictest0-21swapper/200:30:162
1971699212,18cyclictest0-21swapper/020:24:060
19716992117,3cyclictest0-21swapper/023:47:570
19716992114,6cyclictest0-21swapper/000:35:000
1971699210,20cyclictest0-21swapper/023:05:190
19725992014,3cyclictest0-21swapper/221:35:162
1971699202,17cyclictest0-21swapper/022:35:220
19716992017,1cyclictest0-21swapper/023:40:150
19716992015,4cyclictest0-21swapper/022:45:190
1971699200,18cyclictest4534-21H212:26:330
1972599193,15cyclictest0-21swapper/200:28:272
1972599192,16cyclictest4526-21H212:26:332
19725991917,1cyclictest0-21swapper/222:52:252
19725991917,1cyclictest0-21swapper/222:52:242
19725991915,1cyclictest0-21swapper/221:55:172
1972599190,18cyclictest21406-21head23:00:212
1972599190,16cyclictest4528-21H212:26:332
1972599190,15cyclictest0-21swapper/220:05:182
19720991916,2cyclictest21-21ksoftirqd/123:43:471
19720991916,2cyclictest17727-21latency_hist20:05:011
19720991915,3cyclictest0-21swapper/120:49:281
1972099190,5cyclictest0-21swapper/121:45:531
1972099190,5cyclictest0-21swapper/121:08:431
1972099190,2cyclictest4538-21H212:26:331
1972099190,18cyclictest0-21swapper/119:26:081
1972099190,16cyclictest4526-21H212:26:331
1971699193,15cyclictest28604-21cpuspeed_turbos21:20:150
1971699192,16cyclictest4593-21H212:26:330
1971699192,16cyclictest20058-21expr21:05:160
1971699192,16cyclictest0-21swapper/000:05:260
19716991917,1cyclictest0-21swapper/023:51:100
19716991915,3cyclictest11521-21apt-config00:40:000
1971699191,17cyclictest0-21swapper/020:35:170
1971699190,2cyclictest4538-21H212:26:330
1971699190,18cyclictest0-21swapper/019:45:200
1971699190,18cyclictest0-21swapper/019:45:190
1971699190,16cyclictest4536-21H212:26:330
1972599182,15cyclictest23112-21chrt22:05:512
19725991816,1cyclictest28-21ksoftirqd/223:59:562
19725991814,3cyclictest4593-21H212:26:332
19725991814,3cyclictest4536-21H212:26:332
19725991814,3cyclictest4528-21H212:26:332
19725991814,3cyclictest0-21swapper/223:09:222
1972599180,2cyclictest4538-21H212:26:332
1972599180,2cyclictest4532-21H212:26:332
1972599180,2cyclictest0-21swapper/222:55:152
1972599180,17cyclictest4593-21H212:26:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional