You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-19 - 06:30
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 Sat Jul 19, 2025 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158132293260,20sleep20-21swapper/219:09:042
158852279245,20sleep00-21swapper/019:09:590
156752267232,23sleep10-21swapper/119:07:141
157322260225,22sleep30-21swapper/319:08:013
110222610,0sleep30-21swapper/322:12:483
282862560,0sleep20-21swapper/223:03:482
327222550,0sleep20-21swapper/222:45:472
308312550,0sleep20-21swapper/200:30:062
291112550,0sleep00-21swapper/019:35:210
20072550,0sleep10-21swapper/122:27:081
132932230,0sleep10-21swapper/121:34:461
28002180,0sleep00-21swapper/000:09:460
90112170,0sleep30-21swapper/321:51:113
123822170,0sleep20-21swapper/223:34:052
257302150,0sleep10-21swapper/122:41:411
230942150,1sleep323093-21fschecks_time20:35:183
274412140,0sleep30-21swapper/300:03:403
196382130,0sleep20-21swapper/222:38:192
202562100,0sleep30-21swapper/322:18:453
1600399105,3cyclictest19982-21systemd-journal19:22:053
1599599105,3cyclictest19982-21systemd-journal00:34:341
1599199103,4cyclictest21566-21munin-run23:20:010
32338290,0sleep10-21swapper/120:55:171
160039994,3cyclictest19982-21systemd-journal20:42:103
159959994,3cyclictest19982-21systemd-journal20:47:091
159959991,2cyclictest19982-21systemd-journal00:00:011
159919997,1cyclictest12-21ksoftirqd/022:30:000
159919996,2cyclictest12-21ksoftirqd/020:25:010
159919994,3cyclictest19982-21systemd-journal23:12:480
159919994,3cyclictest19982-21systemd-journal19:53:470
159919992,4cyclictest5516-21turbostat23:30:000
4397280,0sleep00-21swapper/023:49:160
3452280,0sleep30-21swapper/323:48:313
20315280,0sleep20-21swapper/220:30:002
160039984,3cyclictest508-21dbus-daemon23:51:103
160039984,3cyclictest508-21dbus-daemon20:46:453
160039984,2cyclictest19982-21systemd-journal23:31:093
160039983,3cyclictest19982-21systemd-journal23:29:043
160039983,3cyclictest19982-21systemd-journal22:45:153
160039983,3cyclictest19982-21systemd-journal20:24:383
160039983,3cyclictest19982-21systemd-journal20:19:383
160039983,3cyclictest19982-21systemd-journal20:10:483
160039983,3cyclictest19982-21systemd-journal00:38:193
160039983,1cyclictest0-21swapper/322:20:153
160009984,3cyclictest30654-21snmpd21:39:452
160009983,3cyclictest19982-21systemd-journal22:34:002
160009983,3cyclictest19982-21systemd-journal00:00:002
159959986,1cyclictest14176-21memory20:15:151
159959984,3cyclictest508-21dbus-daemon19:33:451
159959984,3cyclictest19982-21systemd-journal00:08:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional