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2026-07-31 - 11:38
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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 792 highest latencies:
System rackeslot4.osadl.org (updated Fri Jul 31, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47925699320,29cyclictest500-21dbus-daemon00:10:000
47925699301,27cyclictest0-21swapper/023:05:000
47925699292,24cyclictest607329-21apt-get21:15:140
47925699290,28cyclictest0-21swapper/023:40:000
47925699290,27cyclictest0-21swapper/022:45:110
47925699281,7cyclictest0-21swapper/019:40:120
47925699281,24cyclictest540835-21apt-get20:10:130
47925699281,24cyclictest0-21swapper/022:00:120
47925999276,2cyclictest0-21swapper/122:50:161
479256992719,6cyclictest0-21swapper/020:40:110
479256992716,9cyclictest0-21swapper/019:30:010
479256992716,10cyclictest0-21swapper/021:25:200
47925699271,23cyclictest535449-21awk20:05:000
47925699270,26cyclictest626492-21/usr/sbin/munin21:30:210
47925699270,26cyclictest0-21swapper/022:12:000
47925699270,25cyclictest0-21swapper/020:15:110
47926699260,23cyclictest765517-21sshd23:50:123
47926499261,21cyclictest632761-21apt-get21:40:132
479256992619,5cyclictest582384-21ps20:50:150
479256992616,9cyclictest662938-21cut22:10:010
479256992614,10cyclictest709277-21cpuspeed_turbos22:55:140
47925699261,23cyclictest771490-21irqcore23:55:170
47925699261,21cyclictest0-21swapper/019:50:100
47925699260,23cyclictest0-21swapper/023:25:140
47925699260,23cyclictest0-21swapper/000:25:140
47925699260,14cyclictest730424-21cat23:15:160
47925699260,14cyclictest577637-21cut20:45:160
47926699252,20cyclictest571297-21apt-get20:40:123
47926699251,20cyclictest750261-21apt-get23:35:113
47926699250,23cyclictest714009-21awk23:00:013
479264992520,3cyclictest622623-21apt-get21:30:122
47926499250,22cyclictest495224-21apt-get19:25:122
479259992521,2cyclictest791714-21apt-get00:15:121
47925999251,22cyclictest729961-21apt-get23:15:131
479256992519,5cyclictest0-21swapper/022:23:480
47925699251,3cyclictest484615-21apt-get19:15:130
47925699251,22cyclictest560837-21cron20:30:010
47925699251,21cyclictest683911-21apt-get22:30:100
47925699251,21cyclictest0-21swapper/021:35:130
47925699251,18cyclictest748864-21grep23:30:180
47925699251,12cyclictest648519-21irqcore21:55:170
47925699250,13cyclictest728701-21cat23:10:190
47925699250,12cyclictest813083-21cut00:35:180
479266992420,2cyclictest561115-21apt-get20:30:113
479266992418,4cyclictest551220-21cut20:20:153
47926699241,21cyclictest581848-21apt-get20:50:023
47926699240,4cyclictest807483-21sed00:30:163
47926699240,22cyclictest663211-21cp22:10:013
479264992420,2cyclictest545902-21apt-get20:15:112
479259992420,2cyclictest765510-21apt-get23:50:111
479259992420,2cyclictest724891-21apt-get23:10:121
479259992420,2cyclictest587027-21apt-get20:55:131
479259992419,3cyclictest617533-21apt-get21:25:131
47925999241,3cyclictest668701-21apt-get22:15:111
47925999241,21cyclictest617001-21apt-get21:22:131
47925999241,20cyclictest510470-21apt-get19:40:111
47925999241,20cyclictest0-21swapper/121:05:111
47925999241,20cyclictest0-21swapper/120:40:111
47925999240,20cyclictest647984-21apt-get21:55:131
479256992418,5cyclictest0-21swapper/022:54:270
479256992413,10cyclictest723667-21needreboot23:05:220
47925699241,21cyclictest596909-21awk21:05:000
47925699241,20cyclictest0-21swapper/019:35:110
47925699241,20cyclictest0-21swapper/000:15:120
47925699241,19cyclictest0-21swapper/019:30:130
47925699240,6cyclictest810852-21ntpq00:30:210
47925699240,21cyclictest770625-21latency_hist23:55:000
47925699240,13cyclictest642125-21unixbench-2d21:45:260
47925699240,13cyclictest633058-21grep21:40:160
47925699240,12cyclictest689047-21cpuspeed_turbos22:35:120
47925699240,12cyclictest552084-21grep20:20:170
47925699240,12cyclictest479444-21/usr/sbin/munin19:10:250
47925699240,11cyclictest599029-21grep21:05:150
47925699240,11cyclictest520074-21chrt19:47:200
479266992320,1cyclictest592090-21apt-get21:00:123
479266992319,2cyclictest719803-21apt-get23:05:153
479266992319,2cyclictest678820-21apt-get22:25:113
479266992319,2cyclictest643402-21grep21:50:173
479266992319,2cyclictest643402-21grep21:50:173
47926699231,2cyclictest505404-21apt-get19:35:123
47926699231,21cyclictest698820-21idleruntime-cro22:44:593
47926699231,20cyclictest663610-21apt-get22:10:103
47926699230,20cyclictest0-21swapper/323:45:113
47926699230,20cyclictest0-21swapper/323:15:133
47926699230,20cyclictest0-21swapper/319:15:123
479264992319,2cyclictest781158-21apt-get00:05:142
479264992319,2cyclictest745170-21apt-get23:30:122
47926499231,19cyclictest760443-21apt-get23:45:112
47926499230,3cyclictest607812-21ps21:15:182
47926499230,20cyclictest740107-21apt-get23:25:142
47926499230,19cyclictest0-21swapper/219:45:112
479259992319,2cyclictest806990-21apt-get00:30:121
47925999231,2cyclictest581885-21apt-get20:50:121
47925999231,2cyclictest566208-21apt-get20:35:121
47925999231,2cyclictest479471-21apt-get19:10:121
47925999231,19cyclictest0-21swapper/120:00:121
47925999230,20cyclictest0-21swapper/123:30:121
47925999230,20cyclictest0-21swapper/120:45:111
47925999230,20cyclictest0-21swapper/100:20:131
47925999230,20cyclictest0-21swapper/100:20:131
479256992320,2cyclictest602259-21apt-get21:10:140
479256992319,2cyclictest0-21swapper/023:45:110
479256992317,5cyclictest0-21swapper/020:58:200
47925699231,12cyclictest561123-21grep20:30:110
47925699230,20cyclictest0-21swapper/022:25:120
47925699230,12cyclictest800579-21uname00:20:200
47925699230,12cyclictest800579-21uname00:20:200
47925699230,10cyclictest739636-21chrt23:22:400
479266992219,2cyclictest3779963-21ntpd21:30:113
479266992218,3cyclictest652777-21sh21:59:593
479266992218,2cyclictest566702-21sort20:35:163
479266992218,2cyclictest556024-21apt-get20:25:123
479266992218,2cyclictest530656-21apt-get20:00:123
47926699221,1cyclictest796791-21apt-get00:20:133
47926699221,1cyclictest796791-21apt-get00:20:133
47926699221,1cyclictest735031-21apt-get23:20:113
47926699220,2cyclictest546853-21ps20:15:153
47926699220,21cyclictest607052-21sh21:15:003
47926699220,20cyclictest776557-21irqcore00:00:173
47926699220,19cyclictest0-21swapper/323:30:123
47926699220,19cyclictest0-21swapper/322:20:113
47926699220,19cyclictest0-21swapper/320:55:133
47926699220,19cyclictest0-21swapper/319:55:123
479264992219,2cyclictest678541-21cron22:25:002
479264992219,2cyclictest535720-21apt-get20:05:122
479264992218,3cyclictest566711-21sed20:35:162
47926499221,1cyclictest484615-21apt-get19:15:132
47926499220,2cyclictest815929-21/usr/sbin/munin00:35:212
47926499220,20cyclictest479977-21cut19:10:152
47926499220,19cyclictest64-21kcompactd022:35:052
47926499220,19cyclictest0-21swapper/223:35:112
47926499220,19cyclictest0-21swapper/223:20:122
47926499220,19cyclictest0-21swapper/222:30:122
47926499220,19cyclictest0-21swapper/220:10:132
47926499220,19cyclictest0-21swapper/219:40:102
479259992219,2cyclictest776063-21sshd00:00:131
479259992219,2cyclictest0-21swapper/123:00:261
479259992219,1cyclictest0-21swapper/121:50:131
479259992219,1cyclictest0-21swapper/121:50:131
479259992218,2cyclictest703889-21ls22:50:011
479259992218,2cyclictest525610-21apt-get19:55:141
47925999221,1cyclictest0-21swapper/122:55:131
47925999221,19cyclictest0-21swapper/119:25:121
47925999221,19cyclictest0-21swapper/119:20:001
47925999220,2cyclictest536216-21sed20:05:161
47925999220,21cyclictest626576-21runrttasks21:30:221
47925999220,20cyclictest0-21swapper/122:10:111
47925999220,1cyclictest694047-21apt-get22:40:121
47925999220,19cyclictest0-21swapper/122:20:111
479256992217,3cyclictest755354-21apt-get23:40:120
479256992217,3cyclictest490127-21apt-get19:20:110
479256992216,5cyclictest776548-21ps00:00:170
47925699220,3cyclictest0-21swapper/021:54:460
47925699220,3cyclictest0-21swapper/021:54:450
47925699220,12cyclictest694344-21grep22:40:150
47925699220,11cyclictest529015-21cut19:55:200
479266992119,1cyclictest0-21swapper/322:35:053
479266992119,1cyclictest0-21swapper/321:40:483
479266992118,1cyclictest812038-21apt-get00:35:123
479266992118,1cyclictest0-21swapper/322:50:113
47926699210,20cyclictest64-21kcompactd023:10:343
479264992118,2cyclictest714712-21apt-get23:00:162
479264992117,2cyclictest658142-21apt-get22:05:132
479264992117,2cyclictest0-21swapper/221:04:592
47926499210,2cyclictest581508-21date20:49:592
47926499210,1cyclictest0-21swapper/221:45:112
47926499210,19cyclictest0-21swapper/222:00:092
47926499210,18cyclictest0-21swapper/219:50:032
479259992119,1cyclictest0-21swapper/121:40:131
479259992119,1cyclictest0-21swapper/100:40:001
479259992118,2cyclictest64-21kcompactd019:51:081
479259992118,1cyclictest0-21swapper/122:30:121
47925999211,1cyclictest0-21swapper/122:05:131
47925999210,20cyclictest770984-21apt-get23:55:121
47925999210,20cyclictest0-21swapper/119:20:121
47925999210,1cyclictest754252-21ntpq23:35:211
47925999210,1cyclictest740110-21chrt23:25:131
47925999210,1cyclictest561115-21apt-get20:30:111
479256992111,9cyclictest790466-21needreboot00:10:250
47925699210,9cyclictest535720-21apt-get20:05:100
47925699210,12cyclictest673313-21chrt22:17:590
47925699210,11cyclictest615827-21cut21:20:180
479266992018,1cyclictest786677-21apt-get00:10:163
479266992018,1cyclictest64-21kcompactd021:36:303
479266992018,1cyclictest0-21swapper/320:45:113
479266992018,1cyclictest0-21swapper/319:29:043
479266992017,2cyclictest494136-21ntpq19:20:223
479266992016,2cyclictest500818-21irqcore19:30:183
47926699201,18cyclictest0-21swapper/321:46:423
47926699200,1cyclictest0-21swapper/322:31:203
47926699200,1cyclictest0-21swapper/320:05:123
47926699200,18cyclictest0-21swapper/321:15:143
479264992018,1cyclictest642898-21apt-get21:50:132
479264992018,1cyclictest642898-21apt-get21:50:132
479264992018,1cyclictest0-21swapper/223:55:212
479264992018,1cyclictest0-21swapper/222:40:122
479264992018,1cyclictest0-21swapper/222:30:012
479264992018,1cyclictest0-21swapper/220:56:432
479264992018,1cyclictest0-21swapper/220:50:122
479264992018,1cyclictest0-21swapper/219:55:132
479264992017,2cyclictest490127-21apt-get19:20:132
47926499200,1cyclictest0-21swapper/223:50:202
47926499200,1cyclictest0-21swapper/223:15:132
47926499200,1cyclictest0-21swapper/222:55:222
47926499200,1cyclictest0-21swapper/222:45:122
47926499200,1cyclictest0-21swapper/222:10:112
47926499200,1cyclictest0-21swapper/220:30:112
47926499200,1cyclictest0-21swapper/200:30:122
47926499200,1cyclictest0-21swapper/200:00:122
47926499200,19cyclictest728937-21ps23:10:232
479259992019,1cyclictest0-21swapper/119:33:551
479259992018,1cyclictest0-21swapper/123:21:521
479259992017,1cyclictest0-21swapper/123:07:531
47925999200,1cyclictest0-21swapper/122:35:111
47925999200,1cyclictest0-21swapper/120:25:121
47925999200,1cyclictest0-21swapper/100:10:161
47925699200,10cyclictest566181-21taskset20:35:090
479266991918,1cyclictest0-21swapper/321:06:233
479266991917,1cyclictest64-21kcompactd000:07:333
479266991917,1cyclictest0-21swapper/323:55:133
479266991917,1cyclictest0-21swapper/321:20:133
47926699190,1cyclictest0-21swapper/322:00:093
479264991918,1cyclictest0-21swapper/220:04:332
479264991917,1cyclictest64-21kcompactd020:40:352
479264991917,1cyclictest0-21swapper/222:50:122
479264991917,1cyclictest0-21swapper/221:13:552
479264991917,1cyclictest0-21swapper/220:25:132
479264991917,1cyclictest0-21swapper/219:35:132
479259991918,1cyclictest0-21swapper/119:45:211
479259991917,1cyclictest0-21swapper/123:43:221
479259991917,1cyclictest0-21swapper/121:45:121
479259991917,1cyclictest0-21swapper/120:22:511
479259991916,2cyclictest596885-21ls21:04:591
479259991916,1cyclictest606147-21ntpq21:10:221
479266991816,1cyclictest0-21swapper/322:15:123
479266991816,1cyclictest0-21swapper/319:50:123
479266991816,1cyclictest0-21swapper/300:15:123
47926699180,0cyclictest0-21swapper/323:40:123
479264991817,0cyclictest0-21swapper/223:40:122
479264991816,1cyclictest0-21swapper/200:21:322
479264991816,1cyclictest0-21swapper/200:21:322
479264991816,1cyclictest0-21swapper/200:15:122
479259991817,1cyclictest0-21swapper/121:36:301
479259991817,1cyclictest0-21swapper/119:35:181
479259991816,1cyclictest0-21swapper/120:15:111
479266991715,1cyclictest0-21swapper/319:47:213
479264991715,1cyclictest0-21swapper/222:15:122
479264991715,1cyclictest0-21swapper/221:55:162
479259991716,0cyclictest0-21swapper/122:00:131
479259991713,2cyclictest806600-21sshd00:28:541
479266991615,1cyclictest64-21kcompactd021:25:453
479266991614,1cyclictest512682-21ps19:40:163
479264991614,1cyclictest0-21swapper/220:20:102
47925999169,5cyclictest3777322-21systemd-journal00:10:001
479266991514,1cyclictest64-21kcompactd000:29:363
479266991513,1cyclictest0-21swapper/319:10:113
479266991511,3cyclictest703485-21unixbench_singl22:45:263
479264991513,1cyclictest0-21swapper/221:25:002
479259991513,1cyclictest0-21swapper/121:15:131
47925699150,12cyclictest479183-21latency_hist19:10:000
479264991411,1cyclictest0-21swapper/223:05:152
479259991412,1cyclictest0-21swapper/120:10:131
479259991410,2cyclictest0-21swapper/123:50:001
479266991310,2cyclictest541328-21irqcore20:10:163
47926499139,3cyclictest787167-21grep00:10:212
479264991311,1cyclictest505146-21munin-plugin-st19:35:002
479259991311,1cyclictest0-21swapper/122:30:001
47926699128,2cyclictest0-21swapper/323:00:013
47926499129,2cyclictest801908-21cpuspeed_turbos00:25:142
47926499127,4cyclictest627697-21apt-get21:35:132
479264991210,1cyclictest0-21swapper/221:25:132
47926499108,1cyclictest64-21kcompactd021:06:232
4792649985,2cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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