You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-16 - 12:59
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: ondemand
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot4.osadl.org (updated Thu Oct 16, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11887214383,6sleep30-21swapper/319:06:143
118992110100,7sleep00-21swapper/019:06:230
11992210899,6sleep10-21swapper/119:07:361
12075210696,7sleep20-21swapper/219:08:412
225482760,1sleep30-21swapper/321:40:243
74312700,2sleep32474-21/usr/sbin/munin00:15:223
87802650,0sleep10-21swapper/121:35:181
312542610,1sleep20-21swapper/200:30:192
172862600,0sleep10-21swapper/122:10:221
264572560,0sleep10-21swapper/121:26:331
234882560,0sleep123481-21ssh21:10:181
55322550,0sleep10-21swapper/123:10:191
1235799301,28cyclictest0-21swapper/220:48:142
1235799290,27cyclictest0-21swapper/222:55:102
1235799281,26cyclictest0-21swapper/221:48:512
1235799280,27cyclictest0-21swapper/223:09:232
1235799280,27cyclictest0-21swapper/222:03:552
1235799280,27cyclictest0-21swapper/200:15:392
1235499280,27cyclictest0-21swapper/119:31:071
231792270,7sleep10-21swapper/122:15:151
1235799271,25cyclictest0-21swapper/220:51:352
1235799270,26cyclictest0-21swapper/223:36:092
1235799270,26cyclictest0-21swapper/223:33:202
1235799270,26cyclictest0-21swapper/222:30:522
1235799270,26cyclictest0-21swapper/221:54:032
1235799270,26cyclictest0-21swapper/221:04:082
1235799270,26cyclictest0-21swapper/220:37:382
1235799270,26cyclictest0-21swapper/220:11:232
1235799270,26cyclictest0-21swapper/219:35:072
1235799270,26cyclictest0-21swapper/219:15:062
1235799270,26cyclictest0-21swapper/200:21:212
1235799270,26cyclictest0-21swapper/200:06:542
1235799270,25cyclictest326-21ssh23:40:172
1235499279,17cyclictest0-21swapper/122:36:211
1235499270,26cyclictest0-21swapper/121:16:331
1235499270,20cyclictest16096-21awk00:05:011
1235499270,20cyclictest16096-21awk00:05:001
76232260,0sleep20-21swapper/219:30:192
1235799260,2cyclictest0-21swapper/222:09:052
1235799260,25cyclictest0-21swapper/222:54:522
1235799260,25cyclictest0-21swapper/222:45:202
1235799260,25cyclictest0-21swapper/222:17:552
1235799260,25cyclictest0-21swapper/220:44:172
1235799260,25cyclictest0-21swapper/220:00:222
1235799260,25cyclictest0-21swapper/219:45:162
1235799260,25cyclictest0-21swapper/219:43:102
1235799260,25cyclictest0-21swapper/219:23:582
12354992622,3cyclictest0-21swapper/121:53:361
1235499260,25cyclictest0-21swapper/122:27:431
1235499260,24cyclictest0-21swapper/122:20:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional