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2026-07-26 - 13:21
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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 Jul 26, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1952911994034,4cyclictest2091485-21cron21:25:003
1952911993329,2cyclictest0-21swapper/323:00:153
195290699307,20cyclictest0-21swapper/100:10:171
195291199286,20cyclictest2086443-21idleruntime-cro21:20:003
195291199284,1cyclictest2208703-21apt-get23:20:123
195291199284,1cyclictest2208703-21apt-get23:20:123
1952906992818,7cyclictest1998902-21basename19:55:001
1952911992724,1cyclictest2203359-21awk23:15:003
1952911992722,3cyclictest1963241-21sed19:20:013
195291199272,22cyclictest2071060-21apt-get21:05:133
195291199271,22cyclictest1984004-21apt-get19:40:253
1952911992624,1cyclictest2070788-21basename21:05:003
195291199262,20cyclictest0-21swapper/319:55:133
195291199261,21cyclictest2163128-21apt-get22:35:123
195291199260,5cyclictest2133687-21ps22:05:193
195290699261,22cyclictest1973873-21apt-get19:30:121
195290699261,21cyclictest2024623-21apt-get20:20:131
1952911992523,1cyclictest2249093-21unin-run00:00:013
1952911992522,1cyclictest2038659-21ntpq20:30:233
1952911992521,2cyclictest0-21swapper/320:55:123
1952911992519,4cyclictest2290673-21gpgv00:40:013
195291199251,5cyclictest2255307-21sed00:05:193
195291199251,2cyclictest0-21swapper/321:45:133
195291199251,21cyclictest0-21swapper/321:40:133
195291199251,20cyclictest2275104-21apt-get00:25:143
195291199251,20cyclictest0-21swapper/322:10:123
195291199250,23cyclictest2269763-21awk00:20:003
195291199250,22cyclictest0-21swapper/320:40:113
195291199250,20cyclictest0-21swapper/323:35:133
1952908992519,4cyclictest0-21swapper/200:00:012
195290199251,23cyclictest2150184-21sort22:20:190
195291199242,3cyclictest0-21swapper/323:46:363
1952911992421,1cyclictest2168220-21apt-get22:40:123
1952911992420,2cyclictest2193541-21apt-get23:05:133
1952911992420,2cyclictest2096809-21apt-get21:30:133
1952911992419,3cyclictest2122199-21apt-get21:55:123
1952911992419,3cyclictest1994122-21apt-get19:50:123
195291199241,2cyclictest2019547-21apt-get20:15:133
195291199241,1cyclictest2280614-21apt-get00:30:143
1952908992420,2cyclictest2019547-21apt-get20:15:132
195290899241,21cyclictest2285730-21apt-get00:35:142
195290899241,21cyclictest2193541-21apt-get23:05:122
195290899241,21cyclictest2188517-21apt-get23:00:122
195290899241,21cyclictest2137805-21apt-get22:10:122
195290899241,21cyclictest2132741-21apt-get22:05:142
195290699242,2cyclictest1958237-21apt-get19:15:131
1952906992420,2cyclictest2223911-21apt-get23:35:131
195290699241,20cyclictest0-21swapper/122:55:121
195290199241,21cyclictest2029692-21apt-get20:25:130
195291199232,19cyclictest0-21swapper/321:10:113
1952911992319,2cyclictest2173290-21apt-get22:45:143
1952911992319,2cyclictest2127692-21apt-get22:00:123
1952911992318,3cyclictest0-21swapper/320:20:133
195291199231,2cyclictest1963731-21apt-get19:20:123
195291199231,2cyclictest0-21swapper/322:50:133
195291199231,20cyclictest2229484-21ps23:40:173
195291199231,19cyclictest0-21swapper/323:25:113
195291199230,22cyclictest2009085-21awk20:05:003
195291199230,21cyclictest2243967-21taskset23:55:003
195291199230,21cyclictest0-21swapper/320:45:133
195290899232,20cyclictest2086437-21cron21:20:002
1952908992320,2cyclictest2106944-21apt-get21:40:132
1952908992320,1cyclictest2203355-21cron23:15:002
195290899230,3cyclictest2255309-21irqcore00:05:192
195290899230,21cyclictest0-21swapper/223:35:132
195290699231,2cyclictest2091761-21apt-get21:25:131
195290699231,20cyclictest2254807-21apt-get00:05:151
195290699231,20cyclictest2038622-21ntpq20:30:221
195290699230,20cyclictest0-21swapper/123:00:121
195290699230,20cyclictest0-21swapper/100:20:121
1952901992319,2cyclictest1953122-21apt-get19:10:120
195290199231,2cyclictest2055431-21apt-get20:50:130
195290199231,20cyclictest2117109-21apt-get21:50:130
195290199230,20cyclictest22086772sleep023:20:120
195290199230,20cyclictest22086772sleep023:20:120
1952911992220,1cyclictest1-21systemd22:35:003
195291199221,20cyclictest0-21swapper/321:51:333
195291199220,2cyclictest0-21swapper/323:15:143
195291199220,2cyclictest0-21swapper/321:35:133
1952908992219,2cyclictest0-21swapper/223:55:002
1952908992219,2cyclictest0-21swapper/200:30:142
1952908992218,3cyclictest2065546-21latency_hist21:00:012
1952908992218,3cyclictest1958240-21taskset19:15:132
1952908992218,2cyclictest2055077-21apt-config20:50:012
195290899221,2cyclictest0-21swapper/222:50:172
195290899221,19cyclictest391rcuc/223:46:362
195290899220,4cyclictest1999677-21grep19:55:172
195290899220,20cyclictest2076227-21sed21:10:012
195290899220,20cyclictest0-21swapper/219:40:252
195290899220,1cyclictest0-21swapper/221:10:122
195290899220,19cyclictest0-21swapper/223:15:152
195290899220,19cyclictest0-21swapper/221:35:132
1952906992219,2cyclictest0-21swapper/100:30:131
1952906992219,1cyclictest1968801-21apt-get19:25:121
1952906992219,1cyclictest0-21swapper/120:45:131
195290699221,2cyclictest2178357-21apt-get22:50:131
195290699221,20cyclictest0-21swapper/123:43:231
195290699221,20cyclictest0-21swapper/122:00:121
195290699220,3cyclictest2018611-21ls20:10:261
195290699220,19cyclictest0-21swapper/123:15:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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