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2024-12-10 - 18:25
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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 Tue Dec 10, 2024 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138642328296,20sleep20-21swapper/207:08:032
138882290257,21sleep10-21swapper/107:08:211
138622263232,20sleep00-21swapper/007:08:000
120632258224,21sleep30-21swapper/307:05:103
150062590,0sleep20-21swapper/210:21:202
114122540,0sleep30-21swapper/311:12:373
83652200,0sleep10-21swapper/111:58:441
220382200,0sleep20-21swapper/211:20:102
260232170,0sleep00-21swapper/010:58:180
294872140,0sleep10-21swapper/111:25:001
260892140,0sleep30-21swapper/311:45:413
1413499104,3cyclictest19982-21systemd-journal10:05:201
141439994,3cyclictest19982-21systemd-journal08:01:253
141439994,3cyclictest19982-21systemd-journal07:48:543
141439994,3cyclictest19982-21systemd-journal07:27:423
141329995,3cyclictest30654-21snmpd11:25:330
141439984,3cyclictest19982-21systemd-journal08:37:183
141439983,3cyclictest19982-21systemd-journal08:20:153
141389986,2cyclictest28-21ksoftirqd/208:35:012
141389984,3cyclictest19982-21systemd-journal09:28:372
141389983,3cyclictest19982-21systemd-journal11:41:412
141389982,3cyclictest23643-21munin-run07:30:012
141349983,3cyclictest19982-21systemd-journal12:30:001
141349983,3cyclictest19982-21systemd-journal10:38:431
141349983,3cyclictest19982-21systemd-journal08:55:001
141329984,3cyclictest19982-21systemd-journal11:47:570
141329983,3cyclictest7661-21lldpd10:21:100
29756270,1sleep30-21swapper/309:35:103
24531270,0sleep30-21swapper/307:30:133
141439975,1cyclictest0-21swapper/309:49:283
141439975,1cyclictest0-21swapper/309:49:283
141439974,2cyclictest508-21dbus-daemon12:19:393
141439974,2cyclictest508-21dbus-daemon08:13:053
141439973,3cyclictest694-21sshd10:09:443
141439973,3cyclictest508-21dbus-daemon10:23:163
141439973,3cyclictest30654-21snmpd12:38:143
141439973,3cyclictest28897-21cat08:55:153
141439973,3cyclictest19982-21systemd-journal12:07:333
141439973,3cyclictest1-21systemd12:33:253
141439973,3cyclictest11437-21sshd10:45:293
141439973,2cyclictest19982-21systemd-journal11:27:553
141439973,2cyclictest19982-21systemd-journal11:15:433
141439973,2cyclictest19982-21systemd-journal10:50:233
141439973,1cyclictest0-21swapper/311:58:103
141439973,1cyclictest0-21swapper/310:12:503
141439972,3cyclictest19982-21systemd-journal12:20:343
141439972,3cyclictest19982-21systemd-journal09:25:003
141439972,3cyclictest19982-21systemd-journal09:20:003
141439971,4cyclictest19982-21systemd-journal10:44:083
141389976,1cyclictest28-21ksoftirqd/209:35:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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