You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-02 - 12:49
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackaslot8.osadl.org (updated Fri May 02, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267062329294,22sleep20-21swapper/219:05:042
286462278245,21sleep10-21swapper/119:09:441
283642267234,20sleep30-21swapper/319:06:053
285012257223,22sleep00-21swapper/019:07:500
133532700,0sleep30-21swapper/300:27:153
85742660,0sleep10-21swapper/121:46:521
276602640,1sleep30-21swapper/300:13:223
165652620,0sleep20-21swapper/223:20:272
217742610,0sleep30-21swapper/320:05:153
96762590,0sleep20-21swapper/221:25:272
273112590,0sleep10-21swapper/121:15:211
52422570,0sleep20-21swapper/223:13:262
99952530,0sleep10-21swapper/122:10:111
212562180,0sleep30-21swapper/321:34:123
166982180,0sleep30-21swapper/321:52:393
29082140,0sleep10-21swapper/119:20:211
120742140,0sleep20-21swapper/223:17:592
296082130,0sleep10-21swapper/122:45:141
28777991310,2cyclictest28-21ksoftirqd/200:00:012
186692130,0sleep10-21swapper/121:54:251
28777991210,2cyclictest28-21ksoftirqd/222:35:012
28777991210,1cyclictest28-21ksoftirqd/219:15:002
2877799119,2cyclictest28-21ksoftirqd/221:40:022
2877799118,2cyclictest28-21ksoftirqd/221:35:012
2877799118,2cyclictest28-21ksoftirqd/221:05:002
2877799109,1cyclictest28-21ksoftirqd/221:15:012
2877799104,4cyclictest19982-21systemd-journal22:04:022
2877399105,3cyclictest19982-21systemd-journal23:22:041
287829995,3cyclictest19982-21systemd-journal00:37:093
287829994,3cyclictest19982-21systemd-journal20:30:333
287779998,1cyclictest28-21ksoftirqd/223:10:002
287779998,1cyclictest28-21ksoftirqd/200:00:002
287779997,1cyclictest28-21ksoftirqd/220:45:012
287779997,1cyclictest28-21ksoftirqd/220:40:012
287779993,4cyclictest28-21ksoftirqd/223:34:592
287779993,4cyclictest28-21ksoftirqd/222:50:152
287779991,5cyclictest28-21ksoftirqd/222:15:282
287739992,4cyclictest21548-21idleruntime-cro20:05:011
20693290,0sleep10-21swapper/123:01:041
17026290,0sleep20-21swapper/222:15:002
5606280,0sleep10-21swapper/121:23:251
287829986,2cyclictest34-21ksoftirqd/300:00:013
287829984,3cyclictest508-21dbus-daemon00:15:023
287829984,2cyclictest19982-21systemd-journal20:21:333
287829983,3cyclictest19982-21systemd-journal21:24:553
287829983,3cyclictest19982-21systemd-journal20:03:273
287779987,1cyclictest28-21ksoftirqd/222:30:012
287779987,1cyclictest28-21ksoftirqd/220:45:012
287779987,1cyclictest28-21ksoftirqd/219:50:002
287779987,1cyclictest28-21ksoftirqd/219:40:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional