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2025-12-30 - 20:16
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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 100 highest latencies:
System rackaslot8.osadl.org (updated Tue Dec 30, 2025 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246162298268,19sleep20-21swapper/207:09:482
245052269236,22sleep00-21swapper/007:08:380
245032260228,21sleep30-21swapper/307:08:363
244172260228,22sleep10-21swapper/107:07:301
190982610,0sleep30-21swapper/308:05:173
264172600,0sleep10-21swapper/109:34:211
259472590,0sleep20-21swapper/207:10:162
217742590,0sleep30-21swapper/310:08:203
269862580,0sleep20-21swapper/209:15:232
25602580,0sleep00-21swapper/011:30:010
48882570,0sleep30-21swapper/310:54:443
174112570,0sleep00-21swapper/008:00:180
32802560,0sleep10-21swapper/108:40:201
56922540,0sleep00-21swapper/007:35:170
14462540,0sleep00-21swapper/009:20:070
267592530,0sleep00-21swapper/012:39:150
88252240,0sleep10-21swapper/109:42:101
238032200,0sleep30-21swapper/311:41:333
176162200,0sleep30-21swapper/311:38:243
156562170,0sleep10-21swapper/111:19:081
71622160,0sleep30-21swapper/310:18:363
99722150,0sleep20-21swapper/211:52:172
201582120,0sleep20-21swapper/209:30:172
31453290,0sleep20-21swapper/208:30:192
26935280,0sleep30-21swapper/308:20:203
247729984,3cyclictest32549-21users09:55:213
247729984,3cyclictest275-21systemd-journal09:27:283
247729983,3cyclictest275-21systemd-journal12:40:013
247699980,7cyclictest10285-21ssh10:01:202
247689982,5cyclictest3711-21awk09:40:001
247689980,7cyclictest810-21ssh09:55:491
20740280,0sleep00-21swapper/011:40:130
1752280,0sleep30-21swapper/311:47:423
13664280,0sleep20-21swapper/211:17:412
31106270,0sleep30-21swapper/309:18:203
247729973,3cyclictest504-21dbus-daemon11:30:003
247729971,5cyclictest9317-21tune2fs11:15:173
247729971,5cyclictest5772-21grep07:35:173
247729971,1cyclictest15565-21diskmemload12:09:373
247729970,1cyclictest29653-21ssh11:26:273
247699974,2cyclictest25262-21head10:10:162
247699973,3cyclictest658-21snmpd07:30:312
247699973,3cyclictest275-21systemd-journal09:39:302
247699973,3cyclictest275-21systemd-journal09:03:012
247699973,1cyclictest0-21swapper/210:36:512
247699971,3cyclictest275-21systemd-journal10:40:452
247699971,1cyclictest15549-21apt-get09:10:002
247689974,2cyclictest275-21systemd-journal11:35:161
247689973,3cyclictest658-21snmpd07:58:061
247689973,3cyclictest560-21gdbus09:50:011
247689973,3cyclictest275-21systemd-journal11:34:111
247689973,3cyclictest275-21systemd-journal08:50:011
247689970,7cyclictest15565-21diskmemload11:46:061
247689970,3cyclictest275-21systemd-journal11:00:151
247679976,1cyclictest12-21ksoftirqd/007:55:010
247679975,1cyclictest12-21ksoftirqd/011:50:000
247679973,3cyclictest658-21snmpd10:30:200
30394260,1sleep20-21swapper/212:22:202
247729966,0cyclictest0-21swapper/310:00:063
247729964,1cyclictest15441-21memory11:00:173
247729963,2cyclictest9457-21ssh10:20:053
247729963,2cyclictest658-21snmpd12:11:463
247729963,2cyclictest658-21snmpd10:40:163
247729963,2cyclictest6558-21taskset08:50:073
247729963,2cyclictest4964-21sh09:40:133
247729963,2cyclictest275-21systemd-journal11:50:153
247729963,2cyclictest26953-21ssh12:20:173
247729963,2cyclictest26711-21chrt10:10:363
247729963,2cyclictest24018-21hwlatdetect08:15:163
247729963,2cyclictest19010-21ssh09:30:043
247729963,2cyclictest16669-21rm11:55:493
247729963,2cyclictest13582-21sshd07:54:273
247729962,3cyclictest814-21cat07:25:163
247729962,3cyclictest658-21snmpd12:16:553
247729962,3cyclictest658-21snmpd09:35:553
247729962,3cyclictest658-21snmpd08:48:063
247729962,3cyclictest658-21snmpd08:43:033
247729962,3cyclictest658-21snmpd08:32:043
247729962,3cyclictest658-21snmpd08:12:363
247729962,3cyclictest658-21snmpd07:34:023
247729962,3cyclictest658-21snmpd07:15:263
247729962,3cyclictest658-21snmpd07:13:073
247729962,3cyclictest553-21cat08:35:183
247729962,3cyclictest25310-21head11:05:213
247729962,3cyclictest23321-21cat12:00:143
247729962,3cyclictest1260-21cat11:10:183
247729962,3cyclictest10142-21cat07:45:163
247729962,1cyclictest0-21swapper/311:20:463
247729962,1cyclictest0-21swapper/309:52:293
247729961,4cyclictest6477-21grep10:55:163
247729961,1cyclictest141rcu_preempt10:30:103
247729960,6cyclictest0-21swapper/310:46:033
247729960,6cyclictest0-21swapper/310:35:123
247729960,6cyclictest0-21swapper/310:25:423
247729960,5cyclictest2769-21sed09:20:193
247729960,3cyclictest16550-21diskmemload09:46:263
247729960,2cyclictest17790-21sed08:00:203
247729960,0cyclictest0-21swapper/312:26:063
247699963,2cyclictest7094-21processes10:55:202
247699963,2cyclictest658-21snmpd09:25:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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