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2026-04-12 - 12:09
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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 376 highest latencies:
System rackeslot4.osadl.org (updated Sun Apr 12, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
484298992724,2cyclictest0-21swapper/220:15:172
48429299262,22cyclictest679025-21apt-get22:20:110
48429299260,5cyclictest791241-21cut00:10:150
48429299260,24cyclictest490036-21grep19:15:150
484296992520,3cyclictest709776-21apt-get22:50:121
48429699251,23cyclictest637416-21cron21:40:011
48429699251,21cyclictest780666-21apt-get00:00:131
48429699251,21cyclictest514894-21apt-get19:40:101
48429699251,21cyclictest0-21swapper/123:20:111
48429299252,21cyclictest806388-21apt-get00:25:130
48429299251,4cyclictest616296-21/usr/sbin/munin21:20:000
48429299251,4cyclictest261-21systemd-journal21:35:010
48429299251,3cyclictest591278-21apt-get20:55:130
48429299251,22cyclictest596334-21apt-get21:00:120
48429299251,22cyclictest560906-21apt-get20:25:130
48429299250,21cyclictest806132-21awk00:25:000
484302992420,2cyclictest684077-21apt-get22:25:103
484302992420,2cyclictest540213-21apt-get20:05:123
484298992419,3cyclictest632614-21apt-get21:35:122
484296992420,2cyclictest668891-21apt-get22:10:131
484296992419,3cyclictest658780-21apt-get22:00:111
484296992419,3cyclictest261-21systemd-journal22:25:001
48429699241,3cyclictest530083-21apt-get19:55:131
48429699241,21cyclictest0-21swapper/119:34:421
48429699241,20cyclictest571015-21apt-get20:35:131
48429699241,20cyclictest571015-21apt-get20:35:121
48429699240,21cyclictest581650-21tr20:45:171
48429699240,20cyclictest0-21swapper/119:10:111
48429299242,20cyclictest648627-21apt-get21:50:120
484292992419,2cyclictest0-21swapper/020:40:120
48429299241,3cyclictest591005-21cron20:55:000
48429299241,3cyclictest0-21swapper/023:35:000
48429299241,21cyclictest0-21swapper/021:10:130
48429299241,21cyclictest0-21swapper/019:29:590
48429299240,21cyclictest816263-21sh00:35:000
484302992319,2cyclictest591004-21cron20:55:003
48430299231,21cyclictest657601-21ntpq21:55:213
48430299231,20cyclictest0-21swapper/323:40:133
48430299230,20cyclictest0-21swapper/323:25:123
48430299230,20cyclictest0-21swapper/321:50:133
48430299230,20cyclictest0-21swapper/321:00:123
484298992320,2cyclictest811444-21apt-get00:30:142
484298992320,2cyclictest796252-21apt-get00:15:122
484298992319,2cyclictest261-21systemd-journal20:55:002
484298992318,4cyclictest679527-21grep22:20:162
48429899231,2cyclictest724942-21apt-get23:05:132
484296992320,2cyclictest622037-21apt-get21:25:131
484296992319,2cyclictest750238-21apt-get23:30:111
484296992319,2cyclictest616291-21latency_hist21:20:001
484296992319,2cyclictest606147-21cron21:10:001
484296992319,2cyclictest545268-21apt-get20:10:121
484296992319,2cyclictest509861-21apt-get19:35:101
484296992319,2cyclictest0-21swapper/122:05:131
484296992319,2cyclictest0-21swapper/100:30:141
48429699231,2cyclictest565963-21apt-get20:30:141
48429699231,2cyclictest0-21swapper/121:55:131
48429699230,20cyclictest591278-21apt-get20:55:131
48429699230,20cyclictest0-21swapper/120:00:121
48429699230,20cyclictest0-21swapper/100:15:111
484292992319,3cyclictest0-21swapper/022:55:120
484292992317,4cyclictest800106-21needreboot00:15:190
48429299231,2cyclictest735095-21apt-get23:15:120
48429299231,20cyclictest0-21swapper/022:00:110
48429299230,22cyclictest616944-21apt-get21:20:030
48429299230,21cyclictest694346-21idleruntime-cro22:35:000
48429299230,21cyclictest0-21swapper/000:00:130
48429299230,20cyclictest0-21swapper/019:35:100
484302992219,1cyclictest0-21swapper/320:15:133
484302992218,3cyclictest494650-21apt-get19:20:103
484302992217,1cyclictest0-21swapper/323:50:123
48430299220,2cyclictest637763-21sort21:40:013
48430299220,20cyclictest756269-21sort23:35:163
48430299220,20cyclictest642933-21apt-config21:45:013
48430299220,20cyclictest504537-21awk19:30:003
48430299220,19cyclictest791240-21sort00:10:153
48430299220,19cyclictest0-21swapper/322:35:133
48430299220,19cyclictest0-21swapper/322:20:123
48430299220,19cyclictest0-21swapper/300:30:153
48429899222,19cyclictest0-21swapper/221:50:162
484298992219,2cyclictest805224-21ntpq00:20:192
484298992219,2cyclictest555423-21apt-get20:20:102
484298992219,2cyclictest555423-21apt-get20:20:102
484298992218,2cyclictest631914-21cron21:35:002
484298992217,3cyclictest714968-21diskstats22:55:132
48429899221,20cyclictest606423-21apt-get21:10:132
48429899221,1cyclictest653704-21apt-get21:55:122
48429899220,20cyclictest493543-21ntpq19:15:212
48429899220,20cyclictest0-21swapper/223:15:132
48429899220,19cyclictest0-21swapper/222:45:212
48429899220,19cyclictest0-21swapper/220:40:122
48429899220,19cyclictest0-21swapper/200:13:102
48429899220,18cyclictest0-21swapper/219:30:112
484296992219,2cyclictest0-21swapper/122:25:111
484296992218,2cyclictest785699-21chrt00:05:111
484296992218,2cyclictest0-21swapper/121:30:111
48429699221,2cyclictest714808-21apt-get22:55:121
48429699221,2cyclictest0-21swapper/123:50:221
48429699221,2cyclictest0-21swapper/119:45:271
48429699221,1cyclictest0-21swapper/122:35:121
48429699221,1cyclictest0-21swapper/119:50:111
48429699221,19cyclictest648368-21grep21:50:011
48429699220,2cyclictest576070-21apt-get20:40:131
48429699220,2cyclictest0-21swapper/100:35:221
48429699220,21cyclictest64-21kcompactd021:21:411
48429699220,19cyclictest0-21swapper/122:45:131
484292992218,2cyclictest571499-21ps20:35:170
484292992218,2cyclictest571499-21ps20:35:160
484292992218,2cyclictest0-21swapper/023:00:120
484292992217,3cyclictest1-21systemd21:45:010
48429299221,2cyclictest0-21swapper/019:55:120
48429299221,20cyclictest0-21swapper/019:20:180
48429299220,2cyclictest0-21swapper/019:30:110
48429299220,20cyclictest643535-21apt-get21:45:030
48429299220,1cyclictest755316-21apt-get23:35:110
484302992119,1cyclictest0-21swapper/323:45:173
484302992119,1cyclictest0-21swapper/323:45:173
484302992119,1cyclictest0-21swapper/320:55:133
484302992119,1cyclictest0-21swapper/320:35:133
484302992119,1cyclictest0-21swapper/320:35:133
484302992118,2cyclictest0-21swapper/322:50:133
484302992116,2cyclictest490031-21ps19:15:143
48430299211,2cyclictest755058-21idleruntime-cro23:35:003
48430299211,1cyclictest0-21swapper/321:30:123
48430299211,18cyclictest0-21swapper/320:20:103
48430299211,18cyclictest0-21swapper/320:20:093
48430299210,20cyclictest0-21swapper/300:20:193
48430299210,19cyclictest0-21swapper/320:00:123
484298992119,1cyclictest611501-21apt-get21:15:132
484298992119,1cyclictest499730-21apt-get19:25:132
484298992119,1cyclictest0-21swapper/223:44:082
484298992119,1cyclictest0-21swapper/221:00:122
484298992119,1cyclictest0-21swapper/220:35:132
484298992119,1cyclictest0-21swapper/220:35:122
484298992118,1cyclictest0-21swapper/223:45:122
484298992118,1cyclictest0-21swapper/223:45:112
48429899211,1cyclictest785696-21apt-get00:05:112
48429899211,19cyclictest0-21swapper/219:35:102
48429899210,20cyclictest755059-21grep23:35:002
48429899210,19cyclictest0-21swapper/219:45:122
484296992119,1cyclictest0-21swapper/123:55:131
484296992119,1cyclictest0-21swapper/120:25:131
484296992118,2cyclictest550831-21ps20:15:171
484296992117,2cyclictest0-21swapper/122:15:131
48429699210,1cyclictest765217-21awk23:45:001
484292992119,1cyclictest770528-21apt-get23:50:120
484292992119,1cyclictest0-21swapper/023:45:110
484292992119,1cyclictest0-21swapper/023:45:110
484292992118,2cyclictest775607-21apt-get23:55:130
484292992118,2cyclictest637561-21wc21:40:000
484292992118,2cyclictest535643-21ps20:00:160
484292992118,2cyclictest0-21swapper/022:25:100
484292992118,1cyclictest0-21swapper/022:40:120
484292992117,2cyclictest0-21swapper/023:20:290
48429299211,1cyclictest0-21swapper/022:35:510
48429299211,1cyclictest0-21swapper/021:59:510
48429299211,19cyclictest0-21swapper/023:05:130
48429299210,2cyclictest64-21kcompactd021:27:360
48429299210,2cyclictest0-21swapper/022:10:130
48429299210,20cyclictest0-21swapper/023:25:160
48429299210,1cyclictest0-21swapper/022:45:130
484302992018,1cyclictest789627-21ntpq00:05:213
484302992018,1cyclictest0-21swapper/323:05:133
484302992018,1cyclictest0-21swapper/322:40:123
484302992018,1cyclictest0-21swapper/321:20:123
484302992018,1cyclictest0-21swapper/319:56:453
484302992017,2cyclictest616327-21apt-config21:20:003
484302992017,2cyclictest0-21swapper/320:25:133
484302992016,2cyclictest261-21systemd-journal00:40:003
484302992016,2cyclictest0-21swapper/323:15:123
484302992014,4cyclictest0-21swapper/300:30:003
48430299200,1cyclictest0-21swapper/322:45:213
48430299200,1cyclictest0-21swapper/320:40:113
48430299200,1cyclictest0-21swapper/319:45:123
48430299200,1cyclictest0-21swapper/319:35:183
48430299200,1cyclictest0-21swapper/319:30:113
48430299200,1cyclictest0-21swapper/300:15:133
48430299200,19cyclictest784507-21ntpq00:00:213
48430299200,19cyclictest0-21swapper/319:10:163
484298992018,1cyclictest0-21swapper/222:35:132
484298992018,1cyclictest0-21swapper/222:10:132
484298992018,1cyclictest0-21swapper/222:00:112
484298992018,1cyclictest0-21swapper/219:55:132
484298992018,1cyclictest0-21swapper/200:00:132
484298992017,2cyclictest663836-21apt-get22:05:132
484298992017,2cyclictest391rcuc/219:15:002
484298992017,2cyclictest0-21swapper/220:55:132
484298992017,1cyclictest535158-21apt-get20:00:112
48429899200,1cyclictest684573-21ps22:25:142
48429899200,1cyclictest0-21swapper/223:25:122
48429899200,1cyclictest0-21swapper/223:10:492
48429899200,19cyclictest0-21swapper/223:35:162
484296992018,1cyclictest0-21swapper/122:43:241
484296992017,2cyclictest64-21kcompactd021:13:051
48429699200,1cyclictest0-21swapper/120:55:011
48429699200,19cyclictest0-21swapper/121:45:011
484292992018,1cyclictest0-21swapper/023:44:410
484292992018,1cyclictest0-21swapper/020:45:130
484292992017,2cyclictest714541-21dump-pmu-power22:54:590
484292992017,1cyclictest673947-21apt-get22:15:130
48429299200,1cyclictest524729-21cron19:50:000
48429299200,1cyclictest0-21swapper/019:52:590
484302991917,1cyclictest0-21swapper/322:05:133
484302991916,2cyclictest606914-21sort21:10:173
48430299190,1cyclictest0-21swapper/322:10:133
48430299190,1cyclictest0-21swapper/319:50:113
48430299190,1cyclictest0-21swapper/319:40:123
484298991918,1cyclictest0-21swapper/219:52:262
484298991917,1cyclictest744908-21cron23:25:002
484298991917,1cyclictest690061-21irqcore22:30:182
484298991917,1cyclictest515389-21ps19:40:162
484298991917,1cyclictest0-21swapper/220:05:122
484298991916,2cyclictest709751-21/usr/sbin/munin22:50:182
48429899190,18cyclictest0-21swapper/221:08:142
484296991916,2cyclictest653437-21latency_hist21:55:011
484296991916,1cyclictest0-21swapper/123:00:121
484296991915,2cyclictest499736-21taskset19:25:121
484296991915,2cyclictest0-21swapper/123:05:121
48429699190,19cyclictest0-21swapper/100:23:231
48429699190,18cyclictest0-21swapper/123:15:211
484292991916,2cyclictest0-21swapper/020:20:100
484292991916,2cyclictest0-21swapper/020:20:090
484292991915,3cyclictest0-21swapper/020:05:120
484298991817,1cyclictest0-21swapper/221:47:282
484298991816,1cyclictest0-21swapper/222:40:122
484298991814,3cyclictest498980-21unixbench_multi19:20:222
484298991814,2cyclictest514-21in:imuxsock00:40:002
484292991817,1cyclictest0-21swapper/019:10:200
484292991816,1cyclictest0-21swapper/000:35:130
484302991715,1cyclictest64-21kcompactd021:26:313
484302991712,4cyclictest690064-21irqcore22:30:173
484298991715,1cyclictest0-21swapper/223:50:122
484298991715,1cyclictest0-21swapper/221:20:132
484298991715,1cyclictest0-21swapper/220:25:132
484298991715,1cyclictest0-21swapper/200:25:132
484298991714,2cyclictest720352-21irqcore23:00:162
484296991715,1cyclictest0-21swapper/122:31:341
484296991714,1cyclictest0-21swapper/123:10:121
484296991713,2cyclictest0-21swapper/100:25:131
484292991714,2cyclictest61650irq/133-enp0s29f1:rx-020:20:010
484302991614,1cyclictest0-21swapper/320:45:133
484302991613,2cyclictest545336-21cpuspeed_turbos20:10:143
484302991612,2cyclictest730018-21apt-get23:10:123
484302991612,2cyclictest719945-21cpuspeed_turbos23:00:133
484298991613,2cyclictest642452-21unixbench_singl21:40:252
484296991614,1cyclictest0-21swapper/123:40:001
484296991614,1cyclictest0-21swapper/119:15:111
484296991614,1cyclictest0-21swapper/100:15:001
484296991612,3cyclictest555732-21gltestperf20:20:131
484296991612,3cyclictest555732-21gltestperf20:20:121
484292991613,2cyclictest0-21swapper/019:40:110
484292991611,3cyclictest61650irq/133-enp0s29f1:rx-022:05:120
484302991513,1cyclictest642879-21apt-get21:45:023
484302991513,1cyclictest0-21swapper/322:00:103
484298991511,2cyclictest581149-21apt-get20:45:132
48429899150,4cyclictest6260362ntp_states21:25:232
484296991511,2cyclictest0-21swapper/119:20:101
484292991511,3cyclictest734399-21unixbench_singl23:10:240
484292991511,3cyclictest61650irq/133-enp0s29f1:rx-020:30:240
484292991511,3cyclictest601454-21cpuspeed_turbos21:05:140
484296991411,2cyclictest0-21swapper/120:05:241
484292991411,2cyclictest545243-21/usr/sbin/munin20:10:170
484292991410,2cyclictest0-21swapper/000:05:120
484302991310,2cyclictest0-21swapper/322:55:123
48429899131,1cyclictest7761011irqcore23:55:182
484298991310,2cyclictest549086-21needreboot20:10:192
48429699136,5cyclictest749984-21seq23:30:001
484296991310,2cyclictest0-21swapper/121:00:151
48429699130,10cyclictest484225-21latency_hist19:10:001
48430299120,3cyclictest0-21swapper/321:05:153
48430299120,2cyclictest570245-21unixbench-2d20:30:263
48429899129,2cyclictest677891-21ntpq22:15:222
48429699129,2cyclictest64-21kcompactd023:45:451
48429699129,2cyclictest64-21kcompactd023:45:451
48430299110,1cyclictest0-21swapper/322:19:553
48429899118,2cyclictest566254-21gltestperf20:30:162
48430299108,1cyclictest0-21swapper/323:55:183
48430299105,4cyclictest740313-21cut23:20:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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