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2026-08-05 - 17:12
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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 rack5slot2.osadl.org (updated Wed Aug 05, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227592202169,11sleep30-21swapper/307:05:053
231032197182,11sleep10-21swapper/107:09:361
228062194177,12sleep00-21swapper/007:05:420
227732184168,12sleep20-21swapper/207:05:152
302982590,0sleep10-21swapper/110:50:141
297352440,0sleep20-21swapper/211:38:312
203682440,0sleep20-21swapper/210:28:452
99922420,0sleep20-21swapper/209:50:182
305582410,0sleep00-21swapper/009:24:130
190482410,0sleep10-21swapper/111:16:121
315290,0sleep10-21swapper/109:45:281
233279996,2cyclictest17429-21apt-get11:00:113
233279983,4cyclictest4108-21irqstats10:20:153
233139980,4cyclictest9723-21grep10:40:000
233279974,2cyclictest6963-21munin-run10:55:013
233279974,2cyclictest6828-21users11:10:203
233279974,2cyclictest28304-21hddtemp_smartct12:10:153
233279974,2cyclictest2403-21cron08:30:003
233279974,2cyclictest23935-21munin-node07:15:023
233279974,2cyclictest15627-21apt-get10:10:113
233279974,2cyclictest13427-21diskstats11:30:143
233279974,2cyclictest10067-21apt-get11:45:133
233279973,3cyclictest22545-21ssh12:24:013
233279972,4cyclictest4617-21sh10:04:463
233279972,4cyclictest29395-21sh09:43:283
233279972,4cyclictest22693-21/usr/sbin/munin11:35:213
233279964,2cyclictest7902-21apt-get09:50:083
233279964,2cyclictest522-21rs:main3
233279964,2cyclictest26233-21apt-get07:25:013
233279964,2cyclictest24420-21diskstats07:15:023
233279964,2cyclictest17356-21apt-get12:05:113
233279964,2cyclictest14763-21apt-get11:15:153
233279963,3cyclictest1076-21hddtemp_smartct11:40:143
233279963,3cyclictest0-21swapper/310:45:113
233279963,2cyclictest8031-21df_inode10:55:133
233279963,2cyclictest7515-21awk09:50:013
233279963,2cyclictest7218-21sh12:00:033
233279963,2cyclictest6342-21sh12:15:183
233279963,2cyclictest6023-21tr10:05:143
233279963,2cyclictest5177-21ssh12:31:043
233279963,2cyclictest32346-21cat08:10:013
233279963,2cyclictest29558-21cat07:50:003
233279963,2cyclictest27163-21ssh11:05:063
233279963,2cyclictest26060-21df11:20:133
233279963,2cyclictest25346-21sh10:15:043
233279963,2cyclictest23643-21munin-run09:20:013
233279963,2cyclictest22649-21sh10:30:033
233279963,2cyclictest20633-21df_inode11:50:123
233279963,2cyclictest19703-21sshd10:28:203
233279963,2cyclictest1802-21idleruntime-cro08:25:003
233279963,2cyclictest1580-21memory10:35:183
233279963,2cyclictest15476-21munin-run09:15:013
233279963,2cyclictest12391-21df_inode12:35:153
233279963,2cyclictest11022-21ssh10:40:153
233279963,2cyclictest0-21swapper/312:25:113
233279962,4cyclictest3049-21aten2_r5power_c11:25:133
233279962,3cyclictest15207-21ssh09:34:443
233279962,2cyclictest29498-21ssh09:23:333
233279961,4cyclictest0-21swapper/309:36:273
233139960,3cyclictest6940-21sendmail-msp12:00:000
233139960,3cyclictest1490-21perf12:30:000
233279954,1cyclictest32171-21apt-get08:10:013
233279954,1cyclictest29714-21apt-get07:50:013
233279953,2cyclictest802-21snmpd07:59:573
233279953,2cyclictest7359-21munin-run09:10:023
233279953,2cyclictest6220-21sed09:00:003
233279953,2cyclictest574-21sh09:25:373
233279953,2cyclictest3633-21systemctl08:40:013
233279953,2cyclictest205-21systemd-journal07:25:003
233279953,2cyclictest1172-21idleruntime-cro08:20:003
233279952,3cyclictest6772-21cat09:05:013
233279952,3cyclictest28046-21sendmail07:40:003
233279952,2cyclictest4653-21taskset08:47:143
233279952,2cyclictest31165-21seq08:00:023
233279952,2cyclictest28799-21cat07:45:013
233279952,2cyclictest27246-21munin-run07:35:003
233279952,2cyclictest18025-21ssh09:55:093
233279952,2cyclictest18025-21ssh09:55:083
233229950,5cyclictest30532-21apt-get07:55:022
233229950,5cyclictest0-21swapper/211:08:312
233229950,5cyclictest0-21swapper/209:22:182
233229950,4cyclictest5770-21ssh10:05:142
233229950,0cyclictest0-21swapper/212:03:402
233229950,0cyclictest0-21swapper/210:24:262
233179950,5cyclictest0-21swapper/112:22:211
233179950,5cyclictest0-21swapper/111:49:551
233139955,0cyclictest0-21swapper/011:44:260
233139955,0cyclictest0-21swapper/010:12:010
233139950,5cyclictest16566-21ssh09:15:340
233139950,0cyclictest0-21swapper/009:30:080
27688240,0sleep20-21swapper/210:32:052
233279942,2cyclictest5140-21taskset08:50:343
233279942,2cyclictest38802sleep308:40:053
233279942,2cyclictest2671-21seq08:30:323
233229944,0cyclictest0-21swapper/212:35:582
233229944,0cyclictest0-21swapper/211:19:092
233229944,0cyclictest0-21swapper/209:59:072
233229944,0cyclictest0-21swapper/209:59:072
233229943,1cyclictest28967-21head10:00:162
233229943,1cyclictest18083-21uniq12:05:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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