You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-26 - 08:34
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 rackaslot8.osadl.org (updated Wed Nov 26, 2025 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136712277244,22sleep00-21swapper/019:08:270
134252276241,19sleep30-21swapper/319:05:373
135052271242,18sleep10-21swapper/119:06:401
135552261226,23sleep20-21swapper/219:06:572
287412620,1sleep00-21swapper/019:40:140
209832620,0sleep30-21swapper/300:08:543
307682560,0sleep00-21swapper/022:16:350
14922550,0sleep20-21swapper/222:19:502
279372530,0sleep20-21swapper/223:02:022
294782180,0sleep00-21swapper/023:27:110
238122180,0sleep30-21swapper/300:37:363
44592140,0sleep10-21swapper/123:32:521
44592140,0sleep10-21swapper/123:32:521
244072140,0sleep20-21swapper/222:35:232
163622140,0sleep10-21swapper/122:30:141
148592130,0sleep30-21swapper/322:29:203
176792110,0sleep30-21swapper/322:55:063
145192100,1sleep20-21swapper/200:04:052
139009994,3cyclictest19982-21systemd-journal20:56:261
138969994,3cyclictest19982-21systemd-journal00:35:000
138969993,3cyclictest1347-21munin-run21:05:000
21997280,0sleep20-21swapper/223:21:282
139099986,2cyclictest34-21ksoftirqd/321:45:023
139099984,3cyclictest30654-21snmpd19:38:363
139099984,2cyclictest19982-21systemd-journal22:53:413
139099983,3cyclictest19982-21systemd-journal19:13:243
139059985,2cyclictest508-21dbus-daemon22:02:212
139059984,3cyclictest19982-21systemd-journal23:15:472
139059983,3cyclictest7661-21lldpd20:31:102
139059983,3cyclictest19982-21systemd-journal21:10:372
139059983,3cyclictest19982-21systemd-journal00:09:372
139059982,3cyclictest24137-21sendmail23:00:012
139059980,7cyclictest19686-21ssh22:09:212
139009986,1cyclictest0-21swapper/122:49:341
139009984,3cyclictest19982-21systemd-journal23:46:401
139009983,3cyclictest19982-21systemd-journal22:15:181
138969986,1cyclictest333-21ntp_offset21:30:170
138969986,1cyclictest31675-21ssh23:52:360
138969983,3cyclictest19982-21systemd-journal20:32:030
138969982,3cyclictest2471-21munin-run00:20:000
138969981,4cyclictest13347-21munin-run20:20:000
31318270,0sleep30-21swapper/323:05:153
17962270,1sleep30-21swapper/300:32:523
139099976,1cyclictest34-21ksoftirqd/300:00:003
139099976,0cyclictest0-21swapper/322:02:343
139099974,2cyclictest508-21dbus-daemon23:33:183
139099974,2cyclictest508-21dbus-daemon23:33:183
139099974,2cyclictest508-21dbus-daemon19:15:293
139099974,2cyclictest34-21ksoftirqd/323:45:013
139099973,3cyclictest30654-21snmpd23:21:113
139099973,3cyclictest29741-11brltty22:37:003
139099973,3cyclictest21614-21ntpq23:45:173
139099973,3cyclictest19982-21systemd-journal22:47:503
139099973,3cyclictest19982-21systemd-journal00:29:553
139099973,1cyclictest0-21swapper/322:18:013
139099973,1cyclictest0-21swapper/322:06:323
139099972,3cyclictest19982-21systemd-journal23:38:193
139099972,3cyclictest19982-21systemd-journal20:37:053
139059974,2cyclictest508-21dbus-daemon19:55:182
139059974,2cyclictest26695-21ssh22:14:162
139059974,2cyclictest1-21systemd23:05:212
139059973,3cyclictest8079-21sed23:35:182
139059973,3cyclictest508-21dbus-daemon22:27:242
139059973,3cyclictest19982-21systemd-journal20:27:392
139059973,3cyclictest11736-21in:imuxsock21:19:482
139059973,3cyclictest0-21swapper/221:58:552
139059973,3cyclictest0-21swapper/221:42:472
139059973,3cyclictest0-21swapper/221:29:242
139059973,3cyclictest0-21swapper/200:39:332
139059973,3cyclictest0-21swapper/200:11:032
139059973,1cyclictest0-21swapper/223:52:102
139059973,1cyclictest0-21swapper/221:50:162
139059973,1cyclictest0-21swapper/221:39:472
139059973,1cyclictest0-21swapper/200:15:542
139059972,3cyclictest19982-21systemd-journal00:20:402
139059971,4cyclictest19982-21systemd-journal23:43:452
139059970,4cyclictest22290-21cron20:40:002
139009975,1cyclictest29741-11brltty20:51:261
139009974,2cyclictest508-21dbus-daemon20:31:241
139009973,3cyclictest508-21dbus-daemon00:18:221
139009973,3cyclictest30654-21snmpd19:44:171
139009973,3cyclictest19982-21systemd-journal23:37:411
139009973,3cyclictest19982-21systemd-journal22:04:271
139009973,3cyclictest19982-21systemd-journal20:17:141
139009973,1cyclictest0-21swapper/123:43:491
139009973,1cyclictest0-21swapper/122:57:431
139009973,1cyclictest0-21swapper/121:50:521
139009972,4cyclictest0-21swapper/121:11:471
139009972,3cyclictest8876-21turbostat20:10:001
139009972,3cyclictest3538-21idleruntime-cro22:45:011
139009972,3cyclictest19982-21systemd-journal20:05:011
138969974,2cyclictest508-21dbus-daemon21:54:260
138969974,2cyclictest508-21dbus-daemon21:21:030
138969974,2cyclictest11736-21in:imuxsock19:14:140
138969973,3cyclictest7661-21lldpd22:23:140
138969973,3cyclictest508-21dbus-daemon00:20:020
138969973,3cyclictest3673-21sed21:10:000
138969973,3cyclictest30654-21snmpd23:02:050
138969973,3cyclictest23707-21systemctl00:10:190
138969973,3cyclictest19982-21systemd-journal00:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional