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2024-04-19 - 18:38
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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 Fri Apr 19, 2024 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3832292257,23sleep10-21swapper/107:07:371
5032284248,22sleep30-21swapper/307:09:093
327282284215,22sleep20-21swapper/207:06:012
4932260225,23sleep00-21swapper/007:09:010
156442630,1sleep10-21swapper/107:40:121
227652600,0sleep00-21swapper/012:37:510
154922600,0sleep30-21swapper/312:05:113
195812590,0sleep10-21swapper/110:54:171
98242570,0sleep30-21swapper/309:25:133
23712560,0sleep00-21swapper/008:24:280
312202550,0sleep10-21swapper/109:42:581
156562180,0sleep10-21swapper/112:31:161
231882170,0sleep00-21swapper/010:30:180
57392150,0sleep20-21swapper/207:19:552
220752150,0sleep30-21swapper/312:10:153
125952130,0sleep00-21swapper/009:27:140
258412120,0sleep00-21swapper/010:05:120
100742120,0chrt0-21swapper/212:27:042
213962110,0sleep10-21swapper/112:35:531
7349995,3cyclictest19982-21systemd-journal10:29:363
7349994,3cyclictest19982-21systemd-journal11:00:013
7349994,3cyclictest19982-21systemd-journal07:16:263
7279994,3cyclictest19982-21systemd-journal11:02:581
7279994,3cyclictest19982-21systemd-journal10:57:531
7279993,3cyclictest6906-21idleruntime-cro08:35:001
7239994,3cyclictest19982-21systemd-journal10:15:260
7349985,2cyclictest508-21dbus-daemon09:50:233
7349984,2cyclictest19982-21systemd-journal07:22:163
7349983,3cyclictest19982-21systemd-journal09:48:183
7329985,2cyclictest25405-21cron10:05:012
7329985,2cyclictest19982-21systemd-journal09:46:392
7279984,3cyclictest19982-21systemd-journal08:21:521
7279982,4cyclictest28670-21munin-run09:15:001
7239983,3cyclictest19982-21systemd-journal10:47:070
11873280,0sleep20-21swapper/207:30:212
7349974,2cyclictest508-21dbus-daemon07:40:393
7349974,2cyclictest11736-21in:imuxsock08:39:033
7349973,3cyclictest508-21dbus-daemon07:35:133
7349973,3cyclictest19982-21systemd-journal10:04:103
7349973,3cyclictest13388-21snmpd08:56:323
7349973,3cyclictest13388-21snmpd07:48:033
7349973,3cyclictest0-21swapper/309:13:423
7349973,2cyclictest19982-21systemd-journal09:08:143
7349973,1cyclictest0-21swapper/311:36:403
7349973,1cyclictest0-21swapper/310:34:173
7349972,5cyclictest31762-21avahi-daemon12:29:593
7349972,3cyclictest16969-21lldpd11:06:183
7349971,4cyclictest19982-21systemd-journal10:37:063
7349970,7cyclictest0-21swapper/311:21:103
7349970,7cyclictest0-21swapper/309:56:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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