You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-16 - 13:53
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 rack8slot4.osadl.org (updated Mon Jun 16, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39869102227171,18sleep60-21swapper/619:05:306
39869092225192,21sleep50-21swapper/519:05:295
39889872223164,18sleep70-21swapper/719:07:327
39869452221167,17sleep30-21swapper/319:05:593
39889752216164,24sleep40-21swapper/419:07:204
39891062215184,20sleep20-21swapper/219:09:112
39889452213180,20sleep10-21swapper/119:06:531
39889532203173,18sleep00-21swapper/019:07:000
3989353997022,24cyclictest0-21swapper/222:03:062
398936499320,31cyclictest4131231-21sh23:30:006
3989362993129,1cyclictest0-21swapper/520:06:235
3989362993127,3cyclictest1202534-21systemd-journal21:45:015
398935699310,30cyclictest4142004-21idleruntime-cro23:50:003
398936799305,24cyclictest0-21swapper/722:03:067
3989364993028,1cyclictest4044294-21sh20:50:016
3989364993028,1cyclictest4044294-21sh20:50:016
3989364993027,2cyclictest4153060-21apt00:10:006
3989364993027,2cyclictest4068786-21debian-sa121:35:016
3989362993028,1cyclictest4088155-21apt-get22:11:255
398936299300,29cyclictest0-21swapper/523:25:005
3989358993028,1cyclictest0-21swapper/421:10:014
398935899300,2cyclictest4111870-21dump-pmu-power22:55:004
398935899300,29cyclictest1-21systemd19:40:004
3989356993028,1cyclictest0-21swapper/321:10:013
398935699300,29cyclictest4117258-21latency_hist23:05:003
398935399300,2cyclictest782-21dbus-daemon23:05:002
398935199300,29cyclictest0-21swapper/123:00:001
398935199300,29cyclictest0-21swapper/120:05:011
3989367992927,1cyclictest4136615-21sh23:40:007
3989364992927,1cyclictest4131753-21apt-get23:31:266
3989364992927,1cyclictest4069296-21apt-get21:36:246
398936499290,28cyclictest4036245-21awk20:35:016
398936499290,1cyclictest4158972-21apt-get00:21:266
398936499290,1cyclictest0-21swapper/622:16:196
398936299290,29cyclictest4055059-21apt21:10:015
398936299290,28cyclictest782-21dbus-daemon00:00:005
398936299290,28cyclictest0-21swapper/520:51:235
398936299290,28cyclictest0-21swapper/519:51:225
3989358992927,1cyclictest0-21swapper/400:20:004
398935899290,28cyclictest0-21swapper/422:31:244
398935899290,28cyclictest0-21swapper/420:01:224
3989356992927,1cyclictest0-21swapper/300:26:273
398935699290,28cyclictest0-21swapper/319:41:233
398935699290,1cyclictest4044324-21awk20:50:013
398935699290,1cyclictest4044324-21awk20:50:013
398935699290,1cyclictest0-21swapper/319:51:223
3989353992927,1cyclictest4063922-21apt-get21:26:232
3989353992927,1cyclictest4055600-21cut21:10:012
398935399290,28cyclictest4167024-21apt-get00:36:272
398935399290,28cyclictest0-21swapper/221:51:242
398935399290,28cyclictest0-21swapper/221:11:242
398935399290,1cyclictest0-21swapper/221:05:012
3989351992928,1cyclictest0-21swapper/121:30:011
398935199290,28cyclictest0-21swapper/121:11:241
398935199290,28cyclictest0-21swapper/121:06:231
398935199290,28cyclictest0-21swapper/120:21:221
398935199290,28cyclictest0-21swapper/120:10:021
398935199290,28cyclictest0-21swapper/100:21:261
3989346992927,1cyclictest4163815-21sh00:30:000
3989346992927,1cyclictest4028401-21apt-get20:21:220
3989346992927,1cyclictest0-21swapper/022:31:240
398934699290,28cyclictest4039431-21apt-get20:41:240
398934699290,28cyclictest4039431-21apt-get20:41:240
3989367992828,0cyclictest0-21swapper/720:56:287
398936799280,27cyclictest0-21swapper/721:41:237
398936799280,27cyclictest0-21swapper/700:21:267
398936799280,0cyclictest0-21swapper/723:46:267
398936799280,0cyclictest0-21swapper/723:16:257
398936799280,0cyclictest0-21swapper/700:16:247
3989364992824,3cyclictest0-21swapper/600:40:006
3989362992827,1cyclictest4122887-21sh23:15:005
3989362992827,1cyclictest0-21swapper/500:36:275
398936299280,28cyclictest0-21swapper/523:55:005
398936299280,28cyclictest0-21swapper/523:36:295
398936299280,28cyclictest0-21swapper/523:10:005
398936299280,28cyclictest0-21swapper/521:05:015
3989358992827,1cyclictest0-21swapper/423:41:264
3989358992827,1cyclictest0-21swapper/420:26:234
3989358992827,1cyclictest0-21swapper/420:26:234
3989358992826,1cyclictest0-21swapper/423:16:254
3989358992826,1cyclictest0-21swapper/422:10:014
3989358992825,3cyclictest4142056-21dpkg23:50:004
398935899280,27cyclictest0-21swapper/421:46:224
3989356992826,1cyclictest4041639-21awk20:45:013
3989356992826,1cyclictest4041639-21awk20:45:013
3989353992827,1cyclictest0-21swapper/200:06:242
398935399280,1cyclictest0-21swapper/219:45:002
3989351992827,1cyclictest0-21swapper/120:56:281
3989351992825,2cyclictest1202534-21systemd-journal00:15:001
398935199280,27cyclictest0-21swapper/120:10:011
398935199280,0cyclictest0-21swapper/122:21:231
3989346992826,1cyclictest0-21swapper/020:31:220
3989346992824,3cyclictest4006081-21dump-pmu-power19:40:000
398934699280,28cyclictest0-21swapper/019:30:000
398934699280,27cyclictest0-21swapper/020:26:230
398934699280,27cyclictest0-21swapper/020:26:230
398934699280,0cyclictest0-21swapper/022:26:230
3989367992727,0cyclictest0-21swapper/723:06:247
3989367992727,0cyclictest0-21swapper/719:16:227
3989364992726,1cyclictest0-21swapper/623:36:296
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional