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2026-07-19 - 00:55
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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 Jul 18, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11175231633,92sleep010947-21/usr/sbin/munin19:05:220
121359910328,20cyclictest13016-21apt-get21:18:170
121359910141,41cyclictest0-21swapper/019:53:350
121359910133,34cyclictest19065-21wget23:45:140
121359910128,53cyclictest2158-21https20:40:060
121359910025,36cyclictest10749-21fw_conntrack21:10:430
121359910023,59cyclictest1408-21nginx23:53:590
12135999926,36cyclictest10246-21apt-get23:17:210
12135999841,22cyclictest15610-21runrttasks21:29:010
12135999835,45cyclictest1305-21snmpd00:05:280
12135999825,20cyclictest6885-21diskstats23:00:370
12135999662,23cyclictest101ktimersoftd/000:33:050
12135999557,29cyclictest21780-21sshd19:47:360
12135999553,31cyclictest19470-21latency_hist21:45:010
12135999532,51cyclictest0-21swapper/021:51:030
12135999422,19cyclictest2105-21apt-get20:42:100
12135999421,35cyclictest31301-21wget22:30:140
12135999352,32cyclictest14048-21aten_r7power_vo23:25:180
12135999324,33cyclictest9209-21wget23:10:130
12135999270,10cyclictest101ktimersoftd/022:05:420
12135999252,26cyclictest101ktimersoftd/022:17:310
12135999246,36cyclictest29661-21runrttasks00:25:260
12135999243,38cyclictest17093-21munin-run19:30:010
12135999222,52cyclictest13529-21apt23:25:010
12135999213,22cyclictest25689-21apt-get22:12:100
12135999211,39cyclictest27682-21apt-get00:17:070
12135999150,31cyclictest20546-21runrttasks19:42:380
12135999146,34cyclictest30598-21runrttasks20:23:220
12135999125,48cyclictest17926-21seq23:40:180
12135999123,49cyclictest8583-21runrttasks21:03:500
12135999047,28cyclictest101ktimersoftd/020:53:480
12135999026,45cyclictest23631-21chrt22:00:320
12135999023,49cyclictest17481-21chrt23:38:450
12135999021,34cyclictest14224-21chrt19:17:010
12135999019,55cyclictest23022-21lockfile-create00:00:030
12135998948,29cyclictest748-21seq22:37:150
12135998925,46cyclictest1305-21snmpd00:39:410
12135998922,50cyclictest7997-21wget23:05:160
12135998918,35cyclictest12425-21diskstats19:10:230
12135998849,29cyclictest28326-21latency_hist20:15:020
12135998847,31cyclictest29829-21munin-run22:25:010
12135998847,31cyclictest26616-21runrttasks00:13:320
12135998820,31cyclictest4997-21/usr/sbin/munin22:55:230
1213599877,30cyclictest6536-21df20:55:190
12135998763,10cyclictest101ktimersoftd/021:39:000
12135998745,27cyclictest3650irq/20-4900000022:40:240
12135998660,11cyclictest101ktimersoftd/000:22:520
12135998654,22cyclictest2810-21sshd22:45:320
12135998648,25cyclictest101ktimersoftd/019:35:480
12135998642,32cyclictest10250irq/56-4a10000020:01:530
12135998617,50cyclictest1305-21snmpd20:28:430
12135998613,37cyclictest23483-21wget19:55:140
12135998553,22cyclictest29179-21seq20:17:050
12135998523,44cyclictest1285-21lldpd21:48:370
12135998515,33cyclictest1305-21snmpd19:33:300
12135998454,13cyclictest10150irq/55-4a10000022:00:020
12135998444,25cyclictest101ktimersoftd/023:31:360
12135998440,35cyclictest10150irq/55-4a10000022:50:130
12135998425,46cyclictest13399-21wget21:20:120
12135998424,20cyclictest23498-21awk00:00:340
12135998351,23cyclictest875-21runrttasks20:35:030
12135998316,23cyclictest10053-21apt-config21:10:070
12135998243,31cyclictest4267-21ntpq20:45:420
12135998226,36cyclictest29974-21aten_r7power_en22:25:110
12135998156,11cyclictest101ktimersoftd/020:08:380
12135998121,19cyclictest15632-21seq19:23:120
12135998049,21cyclictest16068-21/usr/sbin/munin21:30:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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