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2024-09-17 - 00:05
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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 Mon Sep 16, 2024 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2545723050,4sleep10-21swapper/107:05:181
264432290257,21sleep20-21swapper/207:07:132
264772282219,19sleep30-21swapper/307:07:383
264362255222,22sleep00-21swapper/007:07:070
249722640,0sleep30-21swapper/310:38:313
40622620,0sleep30-21swapper/310:20:233
313592590,0sleep00-21swapper/011:52:410
72052580,0sleep30-21swapper/311:37:273
81052560,1sleep00-21swapper/011:15:450
200902180,0sleep10-21swapper/109:12:401
69042170,0sleep30-21swapper/309:28:563
2680099130,3cyclictest25043-21ssh11:49:023
2680099130,2cyclictest6413-21cpuspeed07:35:123
2680099130,2cyclictest2949-21ssh12:35:553
2680099130,2cyclictest22094-21sh12:07:113
2680099130,2cyclictest17574-21chrt10:31:483
2680099130,1cyclictest25043-21sh09:16:193
19422130,0sleep20-21swapper/211:11:312
2680099123,2cyclictest1425-21ssh11:54:443
2680099122,9cyclictest0-21swapper/310:25:123
2680099122,3cyclictest19982-21systemd-journal09:20:373
2680099120,3cyclictest21174-21ssh09:13:533
2680099120,3cyclictest19982-21systemd-journal10:11:573
2680099120,3cyclictest19982-21systemd-journal09:45:013
2680099120,3cyclictest19982-21systemd-journal09:30:383
2680099120,3cyclictest19982-21systemd-journal08:40:013
2680099120,2cyclictest31249-21ssh10:16:193
2680099120,2cyclictest19982-21systemd-journal12:05:003
26795991210,1cyclictest28-21ksoftirqd/212:00:012
2680099114,6cyclictest16423-21diskmemload11:30:123
2680099113,7cyclictest11736-21in:imuxsock12:21:413
2680099112,2cyclictest18060-21ssh11:00:123
2680099111,3cyclictest508-21dbus-daemon08:58:063
2680099111,1cyclictest19982-21systemd-journal07:11:183
2680099110,3cyclictest6098-21munin-plugin-st07:35:013
2680099110,3cyclictest26000-21sh12:10:133
2680099110,3cyclictest25230-21ntp_states08:15:193
2680099110,3cyclictest19982-21systemd-journal12:30:523
2680099110,3cyclictest1644-21perf07:25:013
2680099110,3cyclictest16110-21sh10:05:013
2680099110,2cyclictest28134-21ssh11:07:273
2680099110,2cyclictest23992-21munin-run08:15:013
2680099110,2cyclictest20617-21ssh12:26:453
2680099110,2cyclictest19982-21systemd-journal09:48:353
2680099110,1cyclictest17607-21ssh11:00:003
2680099110,1cyclictest11809-21ssh10:55:013
2680099103,2cyclictest26913-21sshd08:20:123
2680099102,3cyclictest30654-21snmpd10:47:153
2680099102,3cyclictest30654-21snmpd08:25:433
2680099102,2cyclictest13093-21cat09:00:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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