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2024-05-25 - 06:34
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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 Sat May 25, 2024 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61802311242,21sleep20-21swapper/219:08:572
56392294262,20sleep10-21swapper/119:07:071
61632280248,20sleep00-21swapper/019:08:430
61562259224,21sleep30-21swapper/319:08:383
62942620,0sleep20-21swapper/222:01:472
321642620,0sleep30-21swapper/323:10:113
264402600,0sleep10-21swapper/121:00:161
143152550,0sleep30-21swapper/322:31:553
200082540,0sleep00-21swapper/021:25:120
192572500,0sleep10-21swapper/123:24:281
192592160,0sleep30-21swapper/323:48:073
19112160,0sleep00-21swapper/023:10:570
94912140,0sleep20-21swapper/222:28:542
208422140,0sleep00-21swapper/000:14:510
204782130,0sleep00-21swapper/023:25:140
638299103,4cyclictest26946-21awk00:20:002
63869990,8cyclictest29496-21ssh23:07:503
63749994,3cyclictest19982-21systemd-journal20:08:580
63869984,3cyclictest19982-21systemd-journal23:27:103
63869984,3cyclictest19982-21systemd-journal20:22:013
63869984,3cyclictest19982-21systemd-journal00:02:113
63869983,3cyclictest537-21gdbus19:31:493
63869983,3cyclictest19982-21systemd-journal20:20:003
63829984,3cyclictest19982-21systemd-journal22:24:092
63829984,3cyclictest19982-21systemd-journal22:24:082
63829984,3cyclictest19982-21systemd-journal21:55:462
63829983,3cyclictest537-21gdbus21:05:422
63829982,3cyclictest4759-21awk20:15:012
63779987,1cyclictest22-21ksoftirqd/100:00:001
63779986,1cyclictest22-21ksoftirqd/120:00:011
63779984,3cyclictest19982-21systemd-journal00:05:561
63779983,3cyclictest19982-21systemd-journal21:40:011
63779983,3cyclictest19982-21systemd-journal20:47:451
63779982,5cyclictest502-21systemd-logind19:24:191
63779982,5cyclictest0-21swapper/120:05:011
63779980,7cyclictest27415-21gpgconf22:41:441
63779980,7cyclictest11451-21dpkg20:30:001
63749983,3cyclictest19982-21systemd-journal23:33:480
63749980,1cyclictest26927-21apt-get00:20:030
21220280,0sleep10-21swapper/100:15:001
15954280,1sleep30-21swapper/300:38:093
14693280,0sleep10-21swapper/123:45:091
13131280,0sleep30-21swapper/321:20:113
63869974,2cyclictest508-21dbus-daemon19:15:473
63869974,2cyclictest13388-21snmpd23:42:313
63869973,3cyclictest508-21dbus-daemon22:21:383
63869973,3cyclictest508-21dbus-daemon22:21:383
63869973,3cyclictest508-21dbus-daemon21:46:363
63869973,3cyclictest27728-21cat21:30:183
63869973,3cyclictest13388-21snmpd23:03:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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