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2025-11-16 - 09:46
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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 all highest latencies:
System rackeslot4.osadl.org (updated Sun Nov 16, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
54234599272,2cyclictest777859-21grep22:39:592
54234599271,24cyclictest593045-21idleruntime-cro19:59:592
54234799265,2cyclictest0-21swapper/322:05:163
54234799262,20cyclictest721732-21apt-get21:55:143
542347992619,5cyclictest618435-21cron20:25:003
542347992618,6cyclictest588727-21irqcore19:55:213
54234799261,21cyclictest778329-21/usr/sbin/munin22:40:143
54234599263,2cyclictest0-21swapper/222:40:192
542345992619,5cyclictest613336-21cron20:20:002
54234199261,21cyclictest655064-21apt-get21:00:131
54234199260,25cyclictest681163-21grep21:20:181
54233999262,22cyclictest578110-21apt-get19:45:150
542347992518,5cyclictest771612-21cron22:35:003
54234799250,24cyclictest777288-21ssh22:38:143
54234599252,21cyclictest746841-21apt-get22:15:122
54234599252,21cyclictest744664-21ntpq22:10:232
54234599251,21cyclictest634351-21apt-get20:40:152
54234599250,4cyclictest548569-21sed19:15:202
54234199253,2cyclictest792369-21cut22:50:201
54234199250,22cyclictest880020-21irqcore00:00:171
54233999252,20cyclictest866738-21apt-get23:50:130
542339992519,5cyclictest696337-21idleruntime-cro21:35:010
542347992420,2cyclictest740590-21apt-get22:10:143
542347992420,2cyclictest542561-21apt-get19:10:163
542347992419,3cyclictest816263-21apt-get23:10:123
54234799241,3cyclictest664986-21diskmemload21:21:143
54234799240,20cyclictest753185-21ssh22:20:143
54234799240,19cyclictest0-21swapper/322:45:143
54234799240,19cyclictest0-21swapper/322:45:133
54234599241,21cyclictest910660-21apt-get00:25:132
54234599241,21cyclictest904412-21apt-get00:20:132
54234599241,21cyclictest593315-21apt-get20:00:112
54234599241,21cyclictest567979-21apt-get19:35:152
54234599240,4cyclictest859509-21chrt23:43:032
54234599240,22cyclictest670617-21ssh21:13:032
54234199242,1cyclictest854193-21apt-get23:40:121
54234199241,22cyclictest664986-21diskmemload21:42:161
54233999240,23cyclictest676428-21ssh21:16:320
542347992321,1cyclictest714906-21rm21:49:193
542347992319,3cyclictest796348-21ssh22:52:323
542347992319,2cyclictest557756-21apt-get19:25:183
542347992319,2cyclictest547617-21apt-get19:15:163
542347992317,5cyclictest916614-21cut00:30:003
54234799231,2cyclictest664986-21diskmemload23:05:423
54234799231,2cyclictest664986-21diskmemload21:38:583
54234799231,2cyclictest644908-21apt-get20:50:133
54234799231,2cyclictest624222-21apt-get20:30:173
54234799231,21cyclictest664986-21diskmemload21:28:363
54234799231,19cyclictest0-21swapper/323:35:143
54234799230,21cyclictest879270-21ssh00:00:083
54234799230,21cyclictest675364-21sed21:15:203
54234799230,20cyclictest728039-21ssh22:00:153
54234799230,20cyclictest664986-21diskmemload23:45:083
54234799230,20cyclictest664986-21diskmemload21:30:023
54234799230,20cyclictest64-21kcompactd000:20:013
54234799230,20cyclictest0-21swapper/300:10:163
54234799230,19cyclictest665295-21ssh21:10:113
54234799230,19cyclictest0-21swapper/300:35:143
542345992320,2cyclictest2712373-21kworker/u8:0+rpciod22:20:112
542345992319,3cyclictest683223-21ssh21:23:152
542345992319,2cyclictest816222-21ssh23:10:092
542345992319,2cyclictest715458-21apt-get21:50:132
542345992319,2cyclictest713146-21ssh21:45:232
542345992319,2cyclictest664986-21diskmemload22:29:532
542345992319,2cyclictest0-21swapper/220:35:152
54234599231,3cyclictest895918-21ntpq00:10:252
54234599231,2cyclictest664986-21diskmemload22:50:022
54234599231,2cyclictest664986-21diskmemload21:40:552
54234599231,2cyclictest562852-21apt-get19:30:122
54234599231,21cyclictest664986-21diskmemload23:24:392
54234599231,21cyclictest664986-21diskmemload22:33:092
54234599231,21cyclictest603454-21apt-get20:10:142
54234599231,21cyclictest0-21swapper/222:00:352
54234599231,20cyclictest790817-21apt-config22:50:012
54234599231,20cyclictest790817-21apt-config22:50:002
54234599231,20cyclictest677667-21latency_hist21:20:002
54234599231,20cyclictest664986-21diskmemload23:03:592
54234599231,20cyclictest664986-21diskmemload23:03:582
54234599231,20cyclictest664986-21diskmemload00:03:472
54234599230,21cyclictest872747-21cron23:55:012
54234599230,20cyclictest835073-21apt-get23:25:152
542341992319,2cyclictest552418-21cron19:20:001
542341992319,2cyclictest0-21swapper/100:20:141
54234199230,22cyclictest777309-21ssh22:38:181
54234199230,21cyclictest734237-21ssh22:05:061
54234199230,21cyclictest672077-21ps21:15:181
54234199230,20cyclictest664986-21diskmemload00:35:081
54234199230,20cyclictest0-21swapper/121:30:121
54233999232,2cyclictest860470-21apt-get23:45:140
542339992320,2cyclictest885597-21apt-get00:05:130
542339992319,3cyclictest916287-21ssh00:29:040
54233999231,2cyclictest664986-21diskmemload23:13:550
54233999231,2cyclictest598373-21apt-get20:05:130
54233999231,2cyclictest0-21swapper/023:35:260
54233999231,21cyclictest664986-21diskmemload23:56:230
54233999231,21cyclictest562852-21apt-get19:30:130
54233999231,20cyclictest797461-21apt-get22:55:160
54233999231,20cyclictest677829-21apt-get21:20:110
54233999230,21cyclictest858244-21ntpq23:40:220
54233999230,21cyclictest664986-21diskmemload00:03:240
54233999230,20cyclictest664986-21diskmemload21:35:030
542347992219,2cyclictest64-21kcompactd023:57:223
542347992219,2cyclictest0-21swapper/323:50:233
542347992219,1cyclictest0-21swapper/323:34:563
542347992217,2cyclictest0-21swapper/300:05:143
54234799221,20cyclictest664986-21diskmemload22:16:443
54234799221,20cyclictest0-21swapper/322:56:413
54234799221,20cyclictest0-21swapper/321:51:203
54234799221,1cyclictest828821-21apt-get23:20:143
54234799220,2cyclictest763285-21sed22:25:223
54234799220,2cyclictest664986-21diskmemload23:15:163
54234799220,2cyclictest623938-21cron20:30:013
54234799220,2cyclictest0-21swapper/323:40:123
54234799220,21cyclictest904011-21ssh00:19:483
54234799220,20cyclictest664986-21diskmemload00:32:153
54234799220,20cyclictest0-21swapper/320:45:423
54234799220,19cyclictest0-21swapper/321:40:163
54234799220,19cyclictest0-21swapper/319:50:123
542345992219,2cyclictest64-21kcompactd023:05:062
542345992219,2cyclictest0-21swapper/219:45:152
542345992219,2cyclictest0-21swapper/200:05:142
542345992218,2cyclictest684091-21apt-get21:25:132
54234599221,20cyclictest664986-21diskmemload23:46:552
54234599221,20cyclictest0-21swapper/223:19:412
54234599221,20cyclictest0-21swapper/219:20:212
54234599221,1cyclictest0-21swapper/200:15:152
54234599220,2cyclictest0-21swapper/223:55:122
54234599220,21cyclictest802485-21ssh22:57:052
54234599220,21cyclictest664986-21diskmemload23:35:042
54234599220,21cyclictest0-21swapper/200:34:212
54234599220,20cyclictest0-21swapper/200:35:192
54234599220,1cyclictest841272-21apt-get23:30:122
542341992219,2cyclictest789811-21ssh22:48:041
542341992219,2cyclictest789811-21ssh22:48:031
542341992219,2cyclictest726444-21ssh21:55:551
542341992219,2cyclictest664986-21diskmemload22:25:431
542341992219,2cyclictest664986-21diskmemload22:23:451
542341992219,2cyclictest664986-21diskmemload00:31:271
542341992219,2cyclictest664986-21diskmemload00:10:241
542341992219,1cyclictest809957-21apt-get23:05:111
542341992219,1cyclictest0-21swapper/123:10:191
542341992218,3cyclictest782952-21ssh22:41:161
542341992218,3cyclictest689624-21ssh21:28:401
54234199221,2cyclictest805853-21grep23:00:191
54234199221,2cyclictest805853-21grep23:00:181
54234199221,2cyclictest664986-21diskmemload23:57:221
54234199221,2cyclictest0-21swapper/123:15:141
54234199221,20cyclictest733633-21ssh22:03:561
54234199221,20cyclictest664986-21diskmemload23:46:041
54234199221,20cyclictest664986-21diskmemload22:32:361
54234199221,20cyclictest664986-21diskmemload22:14:531
54234199221,20cyclictest0-21swapper/123:30:251
54234199221,1cyclictest664986-21diskmemload21:54:301
54234199220,2cyclictest639835-21taskset20:45:151
54234199220,21cyclictest664986-21diskmemload00:18:151
54234199220,20cyclictest0-21swapper/100:05:031
54234199220,19cyclictest866743-21ssh23:50:131
54234199220,19cyclictest0-21swapper/123:35:051
542339992219,2cyclictest898626-21irqcore00:15:190
542339992219,2cyclictest664986-21diskmemload23:08:450
542339992219,2cyclictest664986-21diskmemload22:13:130
542339992219,2cyclictest664986-21diskmemload21:52:090
542339992219,2cyclictest644633-21idleruntime-cro20:50:010
542339992219,1cyclictest664986-21diskmemload21:10:020
542339992218,3cyclictest747136-21fw_conntrack22:15:150
542339992218,3cyclictest714549-21ssh21:48:110
542339992218,2cyclictest664986-21diskmemload23:00:280
542339992218,2cyclictest664986-21diskmemload23:00:280
542339992218,2cyclictest618441-21idleruntime-cro20:25:000
54233999221,2cyclictest664986-21diskmemload23:25:030
54233999221,2cyclictest664986-21diskmemload00:35:230
54233999221,2cyclictest551572-21ntpq19:15:250
54233999221,20cyclictest664986-21diskmemload22:31:430
54233999221,1cyclictest664986-21diskmemload21:40:560
54233999220,2cyclictest664986-21diskmemload22:51:170
54233999220,2cyclictest664986-21diskmemload22:01:210
54233999220,2cyclictest664986-21diskmemload21:28:400
54233999220,2cyclictest664986-21diskmemload00:11:490
54233999220,2cyclictest547334-21cron19:15:000
54233999220,21cyclictest921537-21ssh00:30:470
54233999220,21cyclictest739543-21ssh22:07:440
54233999220,20cyclictest828757-21ssh23:20:060
54233999220,19cyclictest0-21swapper/023:16:000
54233999220,19cyclictest0-21swapper/022:40:060
542347992119,1cyclictest0-21swapper/320:15:143
542347992119,1cyclictest0-21swapper/320:05:133
542347992118,2cyclictest664986-21diskmemload23:25:273
54234799211,1cyclictest0-21swapper/323:02:173
54234799211,1cyclictest0-21swapper/323:02:163
54234799211,1cyclictest0-21swapper/320:35:143
54234799210,20cyclictest639173-21systemd-run20:45:013
542345992119,1cyclictest0-21swapper/220:49:282
542345992119,1cyclictest0-21swapper/219:44:592
542345992119,1cyclictest0-21swapper/219:10:012
542345992118,2cyclictest664986-21diskmemload21:59:192
542345992118,1cyclictest0-21swapper/221:30:302
542345992117,3cyclictest0-21swapper/221:00:132
54234599211,1cyclictest0-21swapper/220:27:272
54234599211,19cyclictest0-21swapper/221:35:482
54234599210,20cyclictest64-21kcompactd019:26:412
54234599210,20cyclictest0-21swapper/220:51:372
54234599210,20cyclictest0-21swapper/220:33:202
542341992119,1cyclictest797468-21ssh22:55:161
542341992119,1cyclictest664986-21diskmemload21:37:431
542341992119,1cyclictest0-21swapper/121:46:171
542341992119,1cyclictest0-21swapper/119:41:441
542341992119,1cyclictest0-21swapper/119:30:121
54234199211,2cyclictest0-21swapper/119:25:261
54234199210,20cyclictest910787-21ssh00:25:141
54234199210,20cyclictest664986-21diskmemload21:11:341
54234199210,20cyclictest0-21swapper/122:15:131
54234199210,20cyclictest0-21swapper/120:15:161
54234199210,20cyclictest0-21swapper/119:13:141
54234199210,1cyclictest0-21swapper/123:20:141
54234199210,19cyclictest0-21swapper/123:25:151
542339992119,1cyclictest0-21swapper/022:35:130
542339992119,1cyclictest0-21swapper/022:25:040
542339992119,1cyclictest0-21swapper/021:55:130
542339992118,2cyclictest753178-21apt-get22:20:130
542339992118,2cyclictest619430-21fw_packets20:25:160
54233999211,1cyclictest64-21kcompactd022:45:010
54233999211,1cyclictest64-21kcompactd022:45:000
54233999211,1cyclictest0-21swapper/020:55:170
54233999210,20cyclictest211rcuc/023:30:130
54233999210,20cyclictest0-21swapper/020:10:140
54233999210,20cyclictest0-21swapper/000:24:560
54233999210,1cyclictest0-21swapper/020:00:120
542347992017,1cyclictest0-21swapper/319:20:133
54234799200,19cyclictest0-21swapper/320:04:513
542345992018,1cyclictest0-21swapper/220:05:132
542341992019,1cyclictest0-21swapper/120:58:361
542341992018,1cyclictest552694-21apt-get19:20:131
542341992018,1cyclictest0-21swapper/120:25:001
54234199200,1cyclictest0-21swapper/120:35:151
54234199200,1cyclictest0-21swapper/120:25:141
54234199200,1cyclictest0-21swapper/120:00:111
54234199200,19cyclictest0-21swapper/121:07:451
54234199200,19cyclictest0-21swapper/120:50:321
542339992018,1cyclictest0-21swapper/021:00:130
542339992018,1cyclictest0-21swapper/020:33:540
542339992018,1cyclictest0-21swapper/019:50:120
54233999200,1cyclictest649738-21idleruntime-cro20:55:000
54233999200,19cyclictest589192-21ps19:55:200
54233999200,19cyclictest0-21swapper/019:40:150
542347991917,2cyclictest64-21kcompactd019:34:453
542347991917,1cyclictest64-21kcompactd021:09:543
542345991917,1cyclictest0-21swapper/220:20:222
542345991917,1cyclictest0-21swapper/219:10:152
542341991918,0cyclictest0-21swapper/120:10:141
542339991918,1cyclictest0-21swapper/020:38:430
542339991917,1cyclictest64-21kcompactd019:22:550
542339991917,1cyclictest608532-21apt-get20:15:150
542339991916,2cyclictest510-21dbus-daemon20:45:000
542347991816,1cyclictest0-21swapper/319:40:403
542347991816,1cyclictest0-21swapper/319:35:143
542347991815,2cyclictest0-21swapper/319:45:143
542347991814,2cyclictest659889-21cron21:05:003
542341991816,1cyclictest0-21swapper/119:55:151
542341991816,1cyclictest0-21swapper/119:50:221
542341991815,1cyclictest0-21swapper/119:35:151
542339991817,1cyclictest0-21swapper/021:05:130
542347991712,3cyclictest0-21swapper/321:00:013
542347991613,1cyclictest0-21swapper/320:10:163
542345991612,3cyclictest583162-21apt-get19:50:132
542341991612,2cyclictest0-21swapper/120:30:181
542341991513,1cyclictest0-21swapper/120:07:001
542339991512,2cyclictest245621450irq/127-enp0s29f1:rx-019:35:290
54234599141,5cyclictest654802-21latency_hist21:00:012
542341991312,1cyclictest0-21swapper/120:41:241
54234199129,2cyclictest578468-21gltestperf19:45:171
54234799111,9cyclictest542264-21latency_hist19:10:013
54233999107,2cyclictest542264-21latency_hist19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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