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2025-11-27 - 15:00
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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 Thu Nov 27, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151202271239,20sleep10-21swapper/107:09:211
151492266234,20sleep00-21swapper/007:09:440
148722263225,23sleep20-21swapper/207:06:092
132062260229,19sleep30-21swapper/307:05:093
48462680,0sleep20-21swapper/212:30:282
142262620,0sleep30-21swapper/309:42:473
214232590,0sleep20-21swapper/211:34:462
304272570,0sleep00-21swapper/011:40:280
182882570,0sleep00-21swapper/009:45:200
14762550,0sleep20-21swapper/212:08:492
50252540,0sleep10-21swapper/110:55:001
166272540,0sleep10-21swapper/112:38:081
90202150,0sleep30-21swapper/310:30:553
213762140,0sleep10-21swapper/109:22:301
199992140,0sleep00-21swapper/009:20:410
107652140,0sleep10-21swapper/112:15:131
149382130,0sleep30-21swapper/312:36:503
57072120,0sleep00-21swapper/012:11:160
7995290,1sleep30-21swapper/310:04:143
29481290,0sleep10-21swapper/110:21:211
17586290,0sleep20-21swapper/211:05:182
152959997,2cyclictest34-21ksoftirqd/309:30:003
152959994,3cyclictest19982-21systemd-journal12:33:373
152829995,3cyclictest11736-21in:imuxsock08:24:580
7250280,0sleep30-21swapper/312:12:343
152959987,1cyclictest34-21ksoftirqd/311:40:013
152959986,2cyclictest34-21ksoftirqd/310:00:023
152959984,3cyclictest19982-21systemd-journal10:56:013
152959983,3cyclictest19982-21systemd-journal11:06:123
152959983,3cyclictest19982-21systemd-journal07:10:163
152959980,7cyclictest22823-21cron09:50:023
152919983,3cyclictest19982-21systemd-journal08:30:282
152879984,3cyclictest19982-21systemd-journal10:35:331
152879984,3cyclictest19982-21systemd-journal10:05:051
152879984,3cyclictest15204-21df10:10:141
152879984,2cyclictest502-21systemd-logind11:13:311
152879984,2cyclictest11736-21in:imuxsock10:33:281
152829984,3cyclictest19982-21systemd-journal11:55:010
152829984,3cyclictest19982-21systemd-journal08:32:530
152829983,3cyclictest19982-21systemd-journal12:25:400
152829983,3cyclictest19982-21systemd-journal10:00:430
152829983,1cyclictest0-21swapper/010:45:580
152959976,1cyclictest34-21ksoftirqd/307:15:003
152959974,2cyclictest508-21dbus-daemon11:43:083
152959974,2cyclictest508-21dbus-daemon10:27:363
152959974,2cyclictest508-21dbus-daemon09:21:163
152959974,2cyclictest508-21dbus-daemon08:10:023
152959974,2cyclictest15534-21ntpq11:55:173
152959974,2cyclictest11736-21in:imuxsock07:29:293
152959973,3cyclictest7661-21lldpd10:16:523
152959973,3cyclictest6457-21apt-get08:00:093
152959973,3cyclictest508-21dbus-daemon09:50:303
152959973,3cyclictest30654-21snmpd09:15:433
152959973,3cyclictest29741-11brltty10:49:193
152959973,3cyclictest29741-11brltty07:48:403
152959973,3cyclictest22771-21diskstats08:35:113
152959973,3cyclictest19982-21systemd-journal10:24:553
152959973,3cyclictest19935-21ntpq12:20:153
152959973,3cyclictest0-21swapper/312:16:293
152959972,4cyclictest30654-21snmpd09:35:313
152959971,4cyclictest31863-21ssh12:27:383
152919973,3cyclictest30678-21sed09:30:162
152919973,3cyclictest30654-21snmpd11:11:382
152919973,3cyclictest30654-21snmpd10:25:232
152919973,3cyclictest29741-11brltty09:37:082
152919973,3cyclictest27198-21df10:20:132
152919973,3cyclictest19982-21systemd-journal12:38:132
152919973,3cyclictest19982-21systemd-journal08:55:252
152919973,3cyclictest19982-21systemd-journal07:57:122
152919973,3cyclictest19116-21gdbus11:55:012
152919973,3cyclictest17272-21sshd10:38:132
152919973,1cyclictest0-21swapper/212:29:192
152919972,3cyclictest19982-21systemd-journal09:08:212
152919972,3cyclictest19982-21systemd-journal08:40:082
152919972,3cyclictest19982-21systemd-journal08:39:592
152919972,1cyclictest0-21swapper/212:13:152
152919971,4cyclictest19982-21systemd-journal07:34:542
152919970,4cyclictest11736-21in:imuxsock07:30:012
152919970,4cyclictest10254-21sendmail11:00:002
152919970,3cyclictest4919-21sshd11:46:172
152919970,3cyclictest19982-21systemd-journal08:05:212
152879974,2cyclictest22-21ksoftirqd/109:00:001
152879974,2cyclictest22-21ksoftirqd/107:55:011
152879974,2cyclictest11736-21in:imuxsock11:07:151
152879973,3cyclictest508-21dbus-daemon08:21:121
152879973,3cyclictest19982-21systemd-journal12:06:251
152879973,3cyclictest19982-21systemd-journal11:26:271
152879973,3cyclictest19982-21systemd-journal08:02:011
152879973,3cyclictest0-21swapper/111:20:171
152879973,3cyclictest0-21swapper/109:15:451
152879973,1cyclictest0-21swapper/110:40:151
152879972,3cyclictest19982-21systemd-journal08:10:011
152879970,4cyclictest31087-21idleruntime-cro08:55:001
152829974,2cyclictest502-21systemd-logind12:22:460
152829973,3cyclictest508-21dbus-daemon12:03:350
152829973,3cyclictest508-21dbus-daemon11:35:370
152829973,3cyclictest30654-21snmpd10:05:310
152829973,3cyclictest27302-21apt-get07:35:110
152829973,3cyclictest20996-21df07:20:140
152829973,3cyclictest0-21swapper/012:32:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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