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2025-12-14 - 02:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack7slot8.osadl.org (updated Sat Dec 13, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11251221922,166sleep010891-21/usr/sbin/munin07:06:570
118889916538,86cyclictest10250irq/56-4a10000009:41:110
118889916326,117cyclictest1368-21nginx11:37:500
11888991627,123cyclictest813-21rs:main0
11888991626,134cyclictest16471-21df_inode09:36:360
118889916027,114cyclictest30692-21wget10:31:300
118889916027,113cyclictest1295-21snmpd08:15:290
118889915925,112cyclictest1295-21snmpd07:40:430
118889915917,113cyclictest1368-21nginx10:23:000
118889915910,129cyclictest27876-21latency_hist08:15:050
11888991587,17cyclictest2876-21apt-get10:51:140
11888991587,108cyclictest1295-21snmpd09:12:000
118889915839,99cyclictest22983-21runrttasks12:07:440
11888991577,19cyclictest9076-21diskstats09:06:380
11888991577,112cyclictest1295-21snmpd12:01:520
118889915719,116cyclictest1295-21snmpd10:46:300
11888991567,132cyclictest1295-21snmpd10:11:440
118889915629,103cyclictest1295-21snmpd09:51:140
118889915618,117cyclictest1295-21snmpd08:26:520
11888991558,126cyclictest1295-21snmpd08:48:300
11888991547,125cyclictest813-21rs:main0
118889915415,100cyclictest1295-21snmpd07:45:290
11888991539,103cyclictest12004-21sshd09:17:300
11888991537,124cyclictest754-21systemd-journal11:56:320
11888991537,104cyclictest11929-21apt11:25:020
118889915321,112cyclictest7640-21/usr/sbin/munin09:01:450
11888991529,123cyclictest813-21rs:main0
11888991527,127cyclictest813-21rs:main0
118889915241,98cyclictest26934-21runrttasks12:22:590
11888991518,14cyclictest29515-21apt-get08:21:160
11888991516,125cyclictest14811-21df07:21:370
11888991509,103cyclictest23945-21diskstats12:11:410
11888991508,18cyclictest18564-21fw_conntrack07:37:020
11888991506,19cyclictest29055-21awk12:31:520
11888991506,18cyclictest25337-21ntpq12:16:530
118889915035,101cyclictest803-21connmand10:25:570
118889915022,110cyclictest21840-21sshd09:57:220
118889914932,105cyclictest18887-21runrttasks11:52:000
118889914919,111cyclictest23304-21wget07:56:320
118889914915,114cyclictest13511-21wget11:31:330
11888991488,17cyclictest27562-21aten_r7power_vo12:26:310
11888991488,107cyclictest16128-21fw_conntrack11:41:430
11888991487,126cyclictest31849-21chrt10:36:240
118889914834,102cyclictest12228-21wget11:26:320
118889914811,123cyclictest4658-21sshd10:55:300
118889914810,104cyclictest7135-21chrt11:05:310
11888991477,17cyclictest15891-21wget07:26:300
11888991477,119cyclictest22585-21chrt07:52:040
11888991468,122cyclictest813-21rs:main0
11888991467,22cyclictest1696-21fw_forwarded_lo08:36:470
118889914620,110cyclictest12616-21cut09:21:300
118889914620,107cyclictest10250irq/56-4a10000010:02:280
11888991457,19cyclictest1300-21runrttasks11:49:000
118889914530,104cyclictest17070-21cat07:31:310
118889914515,113cyclictest754-21systemd-journal11:02:570
118889914510,122cyclictest4577-21node07:17:080
11888991448,125cyclictest15263-21seq09:31:410
11888991447,20cyclictest9059-21users11:12:010
11888991447,122cyclictest671-21wget10:41:310
11888991446,14cyclictest754-21systemd-journal08:45:010
11888991438,16cyclictest7362-21munin-run09:00:010
118889914335,95cyclictest754-21systemd-journal08:52:160
11888991429,102cyclictest24778-21memory08:01:510
11888991428,17cyclictest14008-21df09:26:350
118889914240,85cyclictest10150irq/55-4a10000007:11:480
118889914236,94cyclictest754-21systemd-journal09:46:310
118889914221,109cyclictest26060-21/usr/sbin/munin08:06:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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