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2024-04-27 - 11:13
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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 Sat Apr 27, 2024 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25132320288,20sleep20-21swapper/219:08:562
24222282215,22sleep00-21swapper/019:07:460
25952273240,20sleep30-21swapper/319:09:593
23012261227,22sleep10-21swapper/119:06:261
268502680,0sleep30-21swapper/321:52:103
118502640,0sleep20-21swapper/221:42:442
323492630,0sleep20-21swapper/222:57:452
211772630,0sleep30-21swapper/323:52:433
135712590,0sleep30-21swapper/300:10:013
255942570,0sleep00-21swapper/021:10:140
203762560,0sleep10-21swapper/123:10:251
136512550,0sleep30-21swapper/323:27:003
262522540,0sleep20-21swapper/221:30:502
107442410,0sleep20-21swapper/223:45:452
70882180,0sleep00-21swapper/021:19:190
111552180,0sleep00-21swapper/022:23:400
94992140,0sleep30-21swapper/319:20:223
87372140,0sleep00-21swapper/021:40:220
85082140,0sleep10-21swapper/122:42:231
97082130,0sleep00-21swapper/022:01:480
44812130,0sleep00-21swapper/000:27:200
123542130,0sleep30-21swapper/320:40:143
2698991210,1cyclictest12-21ksoftirqd/000:00:000
76772110,0sleep10-21swapper/100:05:141
269899114,4cyclictest10410-21munin-run23:05:000
271299108,1cyclictest34-21ksoftirqd/322:25:013
271299105,3cyclictest19982-21systemd-journal22:52:353
270799108,1cyclictest28-21ksoftirqd/222:00:022
4117290,0sleep00-21swapper/019:10:220
27129998,1cyclictest34-21ksoftirqd/322:00:013
27129994,3cyclictest19982-21systemd-journal00:37:443
27039994,3cyclictest19982-21systemd-journal19:11:281
18906290,0sleep10-21swapper/121:26:131
27129984,3cyclictest508-21dbus-daemon23:36:233
27129984,3cyclictest21464-21ntpq21:00:173
27129984,3cyclictest19982-21systemd-journal20:17:483
27129983,3cyclictest19982-21systemd-journal19:46:453
27079987,1cyclictest28-21ksoftirqd/200:10:002
27079985,2cyclictest508-21dbus-daemon19:46:322
27079984,3cyclictest19982-21systemd-journal22:12:072
27079984,3cyclictest19982-21systemd-journal21:19:332
27079982,3cyclictest11745-21munin-run22:45:002
27039984,3cyclictest19982-21systemd-journal21:11:371
26989985,2cyclictest12-21ksoftirqd/020:15:020
26989983,3cyclictest19982-21systemd-journal20:19:290
26989983,3cyclictest19982-21systemd-journal00:05:500
26989980,7cyclictest14818-21ssh21:24:180
22876280,1sleep022882-21cpuspeed_turbos21:05:130
22856280,0sleep00-21swapper/022:10:170
9228270,0sleep20-21swapper/219:20:212
29407270,0sleep20-21swapper/220:05:212
28444270,0sleep10-21swapper/121:53:281
27129975,1cyclictest6796-21cron00:29:593
27129975,1cyclictest23431-21ssh21:29:593
27129974,1cyclictest19982-21systemd-journal20:45:203
27129973,3cyclictest19982-21systemd-journal23:21:483
27129973,3cyclictest19982-21systemd-journal20:22:023
27129973,3cyclictest19982-21systemd-journal00:33:513
27129973,3cyclictest13388-21snmpd23:00:063
27129973,3cyclictest13388-21snmpd19:38:173
27129973,3cyclictest0-21swapper/321:16:383
27129973,1cyclictest0-21swapper/322:43:583
27129973,1cyclictest0-21swapper/322:01:423
27129973,1cyclictest0-21swapper/300:00:333
27129972,3cyclictest19982-21systemd-journal23:15:583
27129971,4cyclictest19982-21systemd-journal19:30:153
27079974,2cyclictest502-21systemd-logind21:50:522
27079974,2cyclictest19982-21systemd-journal23:53:042
27079974,2cyclictest19982-21systemd-journal22:10:012
27079974,2cyclictest19982-21systemd-journal22:10:012
27079973,3cyclictest508-21dbus-daemon20:35:012
27079973,3cyclictest508-21dbus-daemon19:40:012
27079973,3cyclictest31058-21smart_sda22:15:202
27079973,3cyclictest19982-21systemd-journal22:51:462
27079973,3cyclictest19982-21systemd-journal20:39:052
27079973,3cyclictest0-21swapper/223:04:402
27079972,3cyclictest19982-21systemd-journal00:18:242
27079971,3cyclictest30270-21rm00:21:582
27079971,3cyclictest25580-21munin-run20:00:012
27079970,7cyclictest29741-11brltty23:33:282
27079970,7cyclictest0-21swapper/222:34:102
27079970,2cyclictest18126-21ls23:10:002
27039974,2cyclictest668-21runrttasks22:34:381
27039973,3cyclictest19982-21systemd-journal21:40:021
27039973,3cyclictest19982-21systemd-journal21:07:021
27039973,3cyclictest19982-21systemd-journal20:35:511
27039973,3cyclictest13388-21snmpd21:33:221
27039973,3cyclictest0-21swapper/121:56:131
27039973,2cyclictest19982-21systemd-journal00:00:011
27039973,1cyclictest0-21swapper/121:49:401
27039973,1cyclictest0-21swapper/121:44:061
27039973,1cyclictest0-21swapper/100:17:011
27039972,3cyclictest19982-21systemd-journal22:00:021
27039972,3cyclictest16969-21lldpd00:00:061
27039970,3cyclictest14444-21idleruntime-cro19:35:011
26989974,2cyclictest508-21dbus-daemon19:41:050
26989974,2cyclictest508-21dbus-daemon00:00:350
26989974,2cyclictest19982-21systemd-journal19:54:510
26989973,3cyclictest16435-21df20:50:120
26989973,1cyclictest0-21swapper/023:20:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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