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2026-09-20 - 18:44
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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 rackeslot4.osadl.org (updated Sun Sep 20, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204403992723,3cyclictest428511-21sh10:50:000
20441099262,22cyclictest489838-21apt-get11:50:132
20441099261,22cyclictest515679-21apt-get12:15:122
20440699262,20cyclictest505495-21apt-get12:05:111
20440399261,23cyclictest3777322-21systemd-journal09:10:000
204413992520,3cyclictest229923-21apt-get07:35:143
20441399251,21cyclictest378082-21apt-get10:00:123
20441399251,21cyclictest260407-21apt-get08:05:133
20441099252,20cyclictest438950-21apt-get11:00:122
204410992520,3cyclictest474299-21turbostat.cron11:35:002
204410992520,3cyclictest336725-21cron09:20:002
204410992518,5cyclictest530637-21cron12:30:012
204406992520,3cyclictest398340-21apt-get10:20:121
204406992518,5cyclictest458199-21cat11:15:201
20440699251,20cyclictest428787-21apt-get10:50:131
20440699251,20cyclictest362351-21apt-get09:45:141
20440699250,5cyclictest250749-21sed07:55:171
20441399241,20cyclictest454225-21apt-get11:15:103
20441399241,20cyclictest0-21swapper/307:55:133
20441099241,20cyclictest0-21swapper/210:55:132
204403992420,2cyclictest393292-21apt-get10:15:140
204403992420,2cyclictest331929-21apt-get09:15:120
20440399241,3cyclictest384086-21taskset10:05:160
20440399241,3cyclictest372988-21apt-get09:55:130
20440399241,3cyclictest214759-21apt-get07:20:120
20440399241,20cyclictest469461-21apt-get11:30:120
20440399240,21cyclictest0-21swapper/009:40:130
204413992319,2cyclictest464368-21apt-get11:25:133
20441399231,20cyclictest0-21swapper/312:10:153
20441399231,19cyclictest0-21swapper/310:05:073
20441399230,20cyclictest0-21swapper/311:30:123
20441399230,20cyclictest0-21swapper/309:15:123
204410992319,2cyclictest494907-21apt-get11:55:122
20441099231,3cyclictest480647-21ps11:40:182
20441099231,2cyclictest311177-21apt-get08:55:132
20441099231,2cyclictest0-21swapper/209:20:112
20441099231,2cyclictest0-21swapper/207:50:122
20441099230,21cyclictest291357-21cut08:35:172
20441099230,21cyclictest291357-21cut08:35:172
204406992319,3cyclictest326183-21sh09:10:001
204406992319,2cyclictest423710-21apt-get10:45:121
204406992319,2cyclictest275665-21apt-get08:20:121
204406992319,2cyclictest245186-21apt-get07:50:121
20440699231,20cyclictest403411-21apt-get10:25:131
20440699230,22cyclictest392351-21sshd10:10:251
20440699230,22cyclictest383657-21ps10:05:151
20440699230,20cyclictest0-21swapper/112:00:111
204403992320,2cyclictest525875-21apt-get12:25:130
20440399231,2cyclictest0-21swapper/010:50:120
20440399231,2cyclictest0-21swapper/008:55:120
20440399231,20cyclictest413596-21apt-get10:35:130
20440399230,3cyclictest398829-21grep10:20:160
20440399230,21cyclictest367213-21unin-run09:50:000
20440399230,19cyclictest0-21swapper/007:45:120
204413992219,2cyclictest418663-21apt-get10:40:113
204413992219,1cyclictest0-21swapper/310:10:123
20441399221,2cyclictest367448-21apt-get09:50:123
20441399220,3cyclictest224602-21cron07:30:003
20441399220,20cyclictest326352-21base6409:10:023
20441399220,20cyclictest0-21swapper/311:05:123
20441399220,19cyclictest0-21swapper/308:20:123
204410992219,2cyclictest64-21kcompactd009:06:312
204410992219,2cyclictest0-21swapper/210:15:132
204410992218,3cyclictest444554-21irqcore11:05:172
204410992218,3cyclictest269415-21ntpq08:10:212
204410992218,2cyclictest0-21swapper/209:00:132
20441099221,2cyclictest0-21swapper/211:46:102
20441099221,20cyclictest0-21swapper/211:15:112
20441099221,20cyclictest0-21swapper/207:20:232
20441099221,19cyclictest306085-21apt-get08:50:132
20441099220,2cyclictest523015-21ps12:20:162
20441099220,2cyclictest0-21swapper/212:10:002
20441099220,21cyclictest412930-21/usr/sbin/munin10:30:252
20441099220,21cyclictest0-21swapper/207:15:122
20441099220,20cyclictest387944-21cron10:09:592
20441099220,20cyclictest0-21swapper/208:25:132
20441099220,19cyclictest0-21swapper/212:30:122
204406992218,2cyclictest240577-21ps07:45:161
20440699221,2cyclictest310091-21ntpq08:50:231
20440699221,20cyclictest346061-21ntpq09:25:241
20440699221,20cyclictest0-21swapper/111:30:221
20440699220,2cyclictest265981-21cut08:10:171
20440699220,20cyclictest0-21swapper/109:40:121
20440699220,19cyclictest0-21swapper/110:15:131
204403992219,2cyclictest299832-21ntpq08:40:230
204403992219,2cyclictest0-21swapper/010:10:130
204403992218,2cyclictest290854-21apt-get08:35:120
204403992218,2cyclictest290854-21apt-get08:35:120
204403992217,3cyclictest500899-21ps12:00:160
20440399221,20cyclictest0-21swapper/008:15:130
20440399221,20cyclictest0-21swapper/008:00:130
20440399221,1cyclictest0-21swapper/011:25:130
20440399220,3cyclictest214482-21cron07:20:010
20440399220,2cyclictest444550-21ps11:05:170
20440399220,2cyclictest0-21swapper/007:50:120
20440399220,21cyclictest459049-21awk11:20:000
20440399220,21cyclictest0-21swapper/011:45:130
20440399220,20cyclictest499869-21apt-config12:00:010
20440399220,20cyclictest1-21systemd11:45:010
204413992119,1cyclictest0-21swapper/312:37:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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