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2026-05-19 - 07:07
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 792 highest latencies:
System rack5slot7.osadl.org (updated Tue May 19, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6828224102165,191sleep00-21swapper19:04:260
70489915979,52cyclictest21267-21apt-get23:51:320
70489915581,52cyclictest8152-21sh23:12:400
70489915578,52cyclictest4082-21apt-get23:01:340
70489915577,54cyclictest22736-21/usr/sbin/munin22:22:520
70489915577,53cyclictest31088-21wget21:11:390
70489915483,36cyclictest6379-21ntpq23:07:340
70489915479,51cyclictest8761-21ssh21:40:490
70489915476,53cyclictest9251-21/usr/sbin/munin23:17:230
70489915476,53cyclictest26173-21/usr/sbin/munin22:33:010
70489915380,50cyclictest19237-21sort22:11:130
70489915283,49cyclictest24733-21apt-get00:01:240
70489915279,49cyclictest23275-21df23:56:480
70489915278,50cyclictest857-21memory21:17:340
70489915277,52cyclictest2746-21ssh22:57:080
70489915277,51cyclictest27896-21/usr/sbin/munin22:37:440
70489915273,52cyclictest14411-21ssh23:31:230
70489915179,29cyclictest10353-21/usr/sbin/munin19:22:050
70489915176,51cyclictest2598-21/usr/sbin/munin00:32:520
70489915176,33cyclictest19561-21apt-get23:46:340
70489915174,34cyclictest15844-21apt-get22:01:320
70489915079,49cyclictest21460-21irqstats22:17:140
70489915077,51cyclictest3363-21ssh21:24:450
70489915077,49cyclictest26437-21apt-get00:06:350
70489915077,49cyclictest1135-21df_abs00:26:530
70489915076,50cyclictest24487-21grep20:37:090
70489915075,52cyclictest11546-21ssh21:47:580
70489915075,51cyclictest9238-21df21:41:560
70489915074,52cyclictest6242-21wc21:32:440
70489915073,51cyclictest17862-21/usr/sbin/munin23:42:080
70489915073,38cyclictest12834-21irqstats21:52:160
70489914974,36cyclictest30831-21/usr/sbin/munin00:17:530
70489914973,53cyclictest28154-21apt-get00:11:350
70489914973,52cyclictest29926-21ssh21:07:420
70489914879,45cyclictest21160-21/usr/sbin/munin20:21:160
70489914875,50cyclictest24470-21ssh22:26:230
70489914874,50cyclictest30614-21/usr/sbin/munin22:43:050
70489914872,51cyclictest7943-21debian-sa119:11:070
70489914776,31cyclictest13169-21grep19:36:330
70489914774,51cyclictest9454-21/usr/sbin/munin19:17:020
70489914774,49cyclictest13955-21/usr/sbin/munin19:42:190
70489914774,48cyclictest31614-21df22:46:500
70489914774,34cyclictest4193-21/usr/sbin/munin21:27:120
70489914679,47cyclictest8536-21apt-get19:11:490
70489914674,50cyclictest19980-21uname22:12:450
70489914674,50cyclictest14523-21ssh21:57:140
70489914673,50cyclictest16543-21munin-run19:56:080
70489914673,50cyclictest12684-21apt-get23:26:280
70489914673,48cyclictest16286-21grep23:36:410
70489914670,52cyclictest10997-21ssh23:21:260
70489914574,48cyclictest17500-21cat20:01:100
70489914573,49cyclictest12945-21munin-run19:36:070
70489914573,48cyclictest29160-21munin-run21:06:080
70489914571,52cyclictest31887-21sed00:21:510
70489914570,35cyclictest22847-21sh20:31:070
70489914483,37cyclictest24756-21/usr/sbin/munin20:42:160
70489914471,51cyclictest15431-21find19:47:080
70489914471,50cyclictest865-21df22:51:490
70489914372,48cyclictest27561-21basename20:56:330
70489914274,47cyclictest23219-21df_inode20:31:430
70489914173,47cyclictest27017-21ntpq20:52:010
70489914171,48cyclictest18897-21sshd20:07:020
70489914083,34cyclictest17557-21apt-get20:01:230
70489914082,35cyclictest20264-21apt-get20:16:190
70489914078,38cyclictest25644-21/usr/sbin/munin20:46:440
70489914065,34cyclictest19922-21grep20:12:070
70489913883,34cyclictest11580-21/usr/sbin/munin19:26:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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