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2026-04-11 - 20:53
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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 100 highest latencies:
System rack4slot1.osadl.org (updated Sat Apr 11, 2026 09:36:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
715121480,3sleep10-21swapper/107:12:181
2434321130,3sleep224339-21find07:57:162
2434321130,3sleep224339-21find07:57:162
2434321130,3sleep224339-21find07:57:162
1682321040,2sleep20-21swapper/209:02:172
1682321040,2sleep20-21swapper/209:02:172
1103621000,2sleep30-21swapper/307:22:163
1103621000,2sleep30-21swapper/307:22:163
281832970,2sleep30-21swapper/308:07:183
281832970,2sleep30-21swapper/308:07:183
186632960,2sleep10-21swapper/107:42:161
186632960,2sleep10-21swapper/107:42:161
82152930,2sleep20-21swapper/209:32:162
82152930,2sleep20-21swapper/209:32:162
148632900,1sleep012-21ksoftirqd/008:57:170
148632900,1sleep012-21ksoftirqd/008:57:170
84332650,3sleep00-21swapper/007:17:070
84332650,3sleep00-21swapper/007:17:070
84332650,3sleep00-21swapper/007:17:070
74132580,2sleep07418-21fschecks_time09:32:060
74132580,2sleep07418-21fschecks_time09:32:060
296592560,1sleep029700-21bingrep08:12:110
162152560,2sleep00-21swapper/009:02:070
162152560,2sleep00-21swapper/009:02:070
129232560,2sleep20-21swapper/207:27:182
63552540,2sleep30-21swapper/309:31:163
63552540,2sleep30-21swapper/309:31:163
261432520,2chrt0-21swapper/209:17:162
261432520,2chrt0-21swapper/209:17:162
749199431,35cyclictest9051-21find07:17:161
749199431,35cyclictest9051-21find07:17:161
749199431,35cyclictest9051-21find07:17:161
7490994318,8cyclictest12907-21find07:27:170
72672430,3sleep30-21swapper/309:32:053
72672430,3sleep30-21swapper/309:32:053
7492994018,11cyclictest695-21runrttasks08:37:182
7492994018,11cyclictest695-21runrttasks08:37:182
200792380,2sleep220177-21rm09:12:072
200792380,2sleep220177-21rm09:12:072
7490993722,12cyclictest26267-21grep08:02:180
7490993722,12cyclictest26267-21grep08:02:180
284482370,3chrt0-21swapper/108:07:201
284482370,3chrt0-21swapper/108:07:201
121332370,2sleep012221-21fschecks_count08:52:060
121332370,2sleep012221-21fschecks_count08:52:060
7492993417,6cyclictest19430-21diskmemload09:27:162
7492993417,6cyclictest19430-21diskmemload09:27:162
749199341,3cyclictest0-21swapper/108:37:181
749199341,3cyclictest0-21swapper/108:37:181
7491993215,8cyclictest24346-21grep07:57:181
7491993215,8cyclictest24346-21grep07:57:181
7491993215,8cyclictest24346-21grep07:57:181
286282320,2sleep10-21swapper/109:20:051
286282320,2sleep10-21swapper/109:20:051
7491993015,13cyclictest8218-21ssh09:32:171
7491993015,13cyclictest8218-21ssh09:32:171
68692274,16sleep06915-21ps07:12:130
65632271,18sleep30-21swapper/307:12:083
7490992615,9cyclictest3487-21find09:27:160
7490992615,9cyclictest3487-21find09:27:160
749099261,10cyclictest131rcu_preempt08:07:180
749099261,10cyclictest131rcu_preempt08:07:180
7492992513,10cyclictest8613-21irqstats08:42:082
7492992513,10cyclictest8613-21irqstats08:42:082
67832253,14sleep25909-21ls07:12:112
209172250,4sleep00-21swapper/009:12:160
209172250,4sleep00-21swapper/009:12:160
749299241,20cyclictest19594-21find07:47:042
749199241,9cyclictest30078-21find08:12:181
749099244,7cyclictest73-21kswapd008:37:180
749099244,7cyclictest73-21kswapd008:37:180
7490992419,3cyclictest3559-21grep08:27:160
7490992419,3cyclictest3559-21grep08:27:160
7490992418,3cyclictest22961-1kworker/0:2H07:36:530
749299238,7cyclictest27-21ksoftirqd/208:07:192
749299238,7cyclictest27-21ksoftirqd/208:07:192
749099239,12cyclictest0-21swapper/008:22:180
749099239,12cyclictest0-21swapper/008:22:180
7492992213,8cyclictest30488-21sshd08:13:432
749199223,2cyclictest0-21swapper/108:17:061
749199223,2cyclictest0-21swapper/108:17:061
749199223,2cyclictest0-21swapper/108:17:061
749199222,18cyclictest4886-21missed_timers08:32:091
749199222,18cyclictest4886-21missed_timers08:32:091
749199221,18cyclictest14035-21/usr/sbin/munin08:57:051
749199221,18cyclictest14035-21/usr/sbin/munin08:57:051
749299214,4cyclictest27-21ksoftirqd/208:57:062
749299214,4cyclictest27-21ksoftirqd/208:57:062
749299213,3cyclictest131rcu_preempt09:24:442
749299213,3cyclictest131rcu_preempt09:24:442
749199216,4cyclictest131rcu_preempt07:22:161
749199216,4cyclictest131rcu_preempt07:22:161
749099213,2cyclictest131rcu_preempt08:32:180
749099213,2cyclictest131rcu_preempt08:32:180
749099211,16cyclictest18646-21mailstats09:07:150
749099211,16cyclictest18646-21mailstats09:07:150
749099211,16cyclictest18646-21mailstats09:07:150
215422210,2sleep30-21swapper/309:12:473
215422210,2sleep30-21swapper/309:12:473
749299205,3cyclictest0-21swapper/209:07:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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