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2025-12-30 - 05:31
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot2.osadl.org (updated Tue Dec 30, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
187798799127117,7cyclictest1936695-21kworker/u4:9+events_unbound22:02:531
187798799126119,5cyclictest1979012-21kworker/u4:11+events_unbound22:43:001
1877987999686,7cyclictest1905883-21kworker/u4:1+events_unbound21:32:481
1877987999583,5cyclictest1949561-21kworker/u4:3+events_unbound22:12:541
1877986999387,4cyclictest54-21kswapd000:30:080
1877986999183,4cyclictest54-21kswapd023:00:080
1877987999082,6cyclictest1995526-21kworker/u4:2+events_unbound22:53:021
1877987999082,6cyclictest1995526-21kworker/u4:2+events_unbound22:53:021
1877987998375,6cyclictest2029089-21kworker/u4:0+events_unbound23:55:031
1877987998172,6cyclictest1903369-21kworker/u4:10+events_unbound21:12:431
1877986997969,8cyclictest54-21kswapd021:35:150
1877986997968,7cyclictest0-21swapper/023:55:360
1877987997769,6cyclictest2050386-21kworker/u4:6+events_unbound00:05:131
1877987997768,5cyclictest1979013-21kworker/u4:12+events_unbound22:40:001
1877987997669,5cyclictest2012660-21kworker/u4:11+events_unbound23:18:061
1877986997525,42cyclictest0-21swapper/021:00:100
1877986997463,8cyclictest1877984-21cyclictest00:22:290
1877986997354,12cyclictest0-21swapper/021:50:110
1877987997265,5cyclictest1940984-21kworker/u4:12+events_unbound21:57:521
1877986997253,13cyclictest1879222-21modprobe19:15:010
1877987997163,6cyclictest1888048-21kworker/u4:7+events_unbound20:32:391
187798699704,57cyclictest1964622-21ssh22:15:230
1877987996861,5cyclictest2058949-21kworker/u4:1+events_unbound00:30:141
1877987996861,5cyclictest1888045-21kworker/u4:0+events_unbound20:00:021
1877987996853,5cyclictest1961851-21kworker/u4:0+events_unbound22:22:561
1877986996852,12cyclictest2044343-21fschecks_count23:50:200
1877987996749,6cyclictest1932413-21kworker/u4:8+events_unbound21:40:021
187798699671,64cyclictest0-21swapper/022:50:360
187798699671,64cyclictest0-21swapper/022:50:360
1877986996654,9cyclictest1923759-21kworker/u4:6+events_unbound21:27:450
1877987996547,5cyclictest1949561-21kworker/u4:3+events_unbound22:15:041
187798699655,24cyclictest1932413-21kworker/u4:8+rpciod21:55:300
1877987996450,9cyclictest37-21kcompactd000:24:481
1877987996358,4cyclictest2012660-21kworker/u4:11+events_unbound23:15:011
1877987996254,6cyclictest2050386-21kworker/u4:6+events_unbound00:03:131
1877986996249,8cyclictest1885923-21df19:40:160
1877986996226,13cyclictest1888213-21sed19:50:010
1877987996154,5cyclictest1812918-21kworker/u4:12+events_unbound20:45:021
1877986996151,6cyclictest2015895-21/usr/sbin/munin23:15:420
1877986996150,8cyclictest388-21dbus-daemon23:38:060
1877986996145,9cyclictest0-21swapper/022:40:250
1877987996052,6cyclictest2071141-21kworker/u4:13+events_unbound00:25:151
1877987996051,7cyclictest1877984-21cyclictest21:00:011
1877986996016,16cyclictest1960542-21ntpq22:10:290
1877987995852,4cyclictest0-21swapper/123:00:161
1877987995851,5cyclictest1961851-21kworker/u4:0+events_unbound22:27:571
1877987995850,6cyclictest2019755-21/usr/sbin/munin23:20:371
1877987995750,5cyclictest2058951-21kworker/u4:4+events_unbound00:15:031
187798699575,19cyclictest1993246-21modprobe22:50:000
1877986995747,6cyclictest1936693-21kworker/u4:1+events_unbound21:45:020
1877986995743,7cyclictest0-21swapper/022:00:350
1877987995638,6cyclictest2037669-21kworker/u4:6+events_unbound23:50:481
1877987995638,5cyclictest2058951-21kworker/u4:4+events_unbound00:13:521
187798699564,43cyclictest1890847-21/usr/sbin/munin20:00:110
1877986995618,11cyclictest1968220-21apt-get22:20:160
1877987995547,6cyclictest1913747-21/usr/sbin/munin21:15:231
1877987995546,6cyclictest0-21swapper/123:40:351
187798799554,37cyclictest1930345-21ssh21:35:231
187798699558,27cyclictest2035576-21apt-get23:40:120
1877986995547,5cyclictest2028131-21/usr/sbin/munin23:30:390
1877986995544,6cyclictest0-21swapper/020:30:290
1877986995543,7cyclictest1972763-21/usr/sbin/munin22:25:210
1877986995539,9cyclictest1883019-21modprobe19:30:010
1877986995518,14cyclictest1888775-21nfs4_client19:50:220
1877986995516,12cyclictest2006881-21ntpq23:05:290
1877986995513,21cyclictest2043695-21cron23:50:010
1877987995442,7cyclictest0-21swapper/123:25:231
1877987995442,7cyclictest0-21swapper/123:25:231
1877986995443,9cyclictest1997875-21aten_r7power_po22:55:170
1877986995412,19cyclictest1908543-21diskmemload23:20:230
1877987995346,5cyclictest1888048-21kworker/u4:7+events_unbound20:05:001
1877987995337,7cyclictest1866958-21kworker/u4:14+events_unbound19:37:001
1877986995345,6cyclictest1974697-21kworker/u4:9+events_unbound22:35:180
1877986995337,7cyclictest1877984-21cyclictest19:09:590
1877986995333,17cyclictest2085650-21idleruntime-cro00:40:010
1877986995326,23cyclictest2061699-21ps00:10:370
1877987995235,6cyclictest2037669-21kworker/u4:6+events_unbound23:46:391
187798699529,22cyclictest1913999-21ssh21:15:340
1877986995221,21cyclictest1884777-21fschecks_time19:35:210
1877986995213,16cyclictest1896466-21ntpq20:20:250
1877987995144,6cyclictest2008383-21kworker/u4:2+events_unbound23:31:431
1877987995142,7cyclictest1961854-21kworker/u4:4+events_unbound22:31:421
1877987995140,6cyclictest0-21swapper/122:55:331
187798799511,6cyclictest171rcu_preempt21:45:231
187798699515,32cyclictest2012963-21ssh23:12:440
187798699515,28cyclictest2074128-21ssh00:25:310
1877986995141,8cyclictest1904710-21latency_hist20:55:010
1877986995140,8cyclictest2059419-21sshd00:08:120
1877986995122,8cyclictest0-21swapper/021:30:360
1877987995044,4cyclictest1987619-21kworker/u4:13+events_unbound22:48:001
1877987995042,6cyclictest1879193-21kworker/u4:4+events_unbound19:52:321
1877987995042,6cyclictest1812918-21kworker/u4:12+events_unbound21:00:041
1877987995037,9cyclictest1893201-21kworker/u4:1520:10:001
1877987995037,10cyclictest1900900-21awk20:39:591
187798699509,20cyclictest0-21swapper/020:40:000
1877986995013,11cyclictest1883735-21ntpq19:30:240
1877986995012,10cyclictest2024601-21ssh23:26:090
1877986995012,10cyclictest2024601-21ssh23:26:090
1877987994943,4cyclictest1869504-21kworker/u4:2+events_unbound19:22:041
1877987994941,6cyclictest1885507-21kworker/u4:3+events_unbound20:47:411
1877987994941,5cyclictest1956105-21gltestperf22:05:241
187798699496,33cyclictest25550irq/23-42890000.ethernet21:20:250
187798699495,26cyclictest0-21swapper/022:30:340
187798699493,23cyclictest0-21swapper/000:00:230
1877987994841,5cyclictest1943055-21aten_r7power_vo21:50:161
1877987994841,5cyclictest1907249-21kworker/u4:2+events_unbound21:23:581
1877987994839,7cyclictest2004132-21kworker/u4:5+events_unbound23:05:231
187798699487,21cyclictest1892361-21cut20:05:190
1877986994841,5cyclictest1877984-21cyclictest21:10:020
1877986994831,12cyclictest0-21swapper/020:25:090
1877986994811,10cyclictest1957343-21ssh22:06:260
1877986994810,13cyclictest1941817-21ssh21:48:440
1877987994740,4cyclictest1907741-21fschecks_time21:05:201
1877987994739,5cyclictest1898243-21unixbench_multi20:25:421
1877987994738,7cyclictest1904643-21cron20:54:591
187798799472,26cyclictest2032163-21ssh23:35:331
187798699478,19cyclictest1895228-21ntpq20:15:300
187798699476,23cyclictest1905801-21unixbench_multi20:55:370
1877986994711,13cyclictest1890039-21ntpq19:55:240
1877986994711,12cyclictest1901605-21ntpq20:40:250
1877987994637,6cyclictest2079650-21kworker/u4:0+events_unbound00:35:261
1877986994612,10cyclictest1903272-21awk20:45:380
1877987994536,7cyclictest1922408-21sshd21:25:291
1877986994535,8cyclictest2065055-21aten_r7power_cu00:15:180
1877986994526,14cyclictest1893377-21apt-get20:10:130
1877986994510,13cyclictest1910293-21ssh21:10:530
1877987994438,5cyclictest1869504-21kworker/u4:2+events_unbound19:41:011
1877987994438,4cyclictest1880472-21kworker/u4:9+events_unbound19:18:001
1877987994435,7cyclictest1887197-21df_abs19:45:161
1877986994424,12cyclictest1881774-21modprobe19:24:590
1877986994336,5cyclictest1879412-21aten2__19:15:170
1877987994234,6cyclictest1894469-21ls20:15:001
1877987994233,7cyclictest1879028-21timerwakeupswit19:10:361
1877987994034,4cyclictest1883225-21aten2__19:30:151
1877987994031,6cyclictest0-21swapper/120:20:171
1877987993831,5cyclictest1893180-21kworker/u4:17+events_unbound20:17:361
1877987993729,6cyclictest1882051-21aten_r7power_po19:25:191
1877987993225,5cyclictest0-21swapper/119:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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