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2025-11-12 - 05:52
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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 Wed Nov 12, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20290399318,3cyclictest412292-21strings22:15:202
20289899310,2cyclictest332285-21awk21:14:591
20290599291,22cyclictest537486-21ntpq00:00:213
20289599292,25cyclictest446362-21apt-get22:45:140
20289599281,3cyclictest433821-21apt-get22:35:150
20289599281,24cyclictest345173-21apt-get21:25:140
20290599271,3cyclictest543256-21ntpq00:05:223
202895992723,3cyclictest305755-21turbostat20:49:590
20289599271,24cyclictest383263-21apt-get21:55:120
20289599271,23cyclictest395826-21apt-get22:05:160
20290599261,2cyclictest311088-21apt-get20:55:123
20290599261,21cyclictest345179-21ssh21:25:153
20290599260,23cyclictest316651-21ps21:00:183
20289599261,2cyclictest545077-21apt-get00:10:130
20289599261,2cyclictest326066-21diskmemload22:55:460
20289599261,24cyclictest0-21swapper/000:25:130
20289599261,23cyclictest0-21swapper/021:15:040
20289599261,21cyclictest0-21swapper/019:41:010
20289599261,20cyclictest414611-21apt-get22:20:130
20289599260,3cyclictest521675-21awk23:50:000
202905992520,3cyclictest374699-21ntpq21:45:223
202905992520,3cyclictest218395-21apt-get19:25:113
20290599251,2cyclictest0-21swapper/322:35:153
20290599251,21cyclictest527741-21apt-get23:55:113
20290599251,20cyclictest0-21swapper/322:45:143
20290599251,1cyclictest300932-21apt-get20:45:143
20290599250,24cyclictest414618-21ssh22:20:133
20290599250,22cyclictest0-21swapper/300:25:133
20290599250,21cyclictest555406-21/usr/sbin/munin00:15:253
20290599250,21cyclictest0-21swapper/322:05:153
20290399251,21cyclictest0-21swapper/221:25:152
20290399250,2cyclictest0-21swapper/222:55:462
20290399250,22cyclictest306014-21apt-get20:50:172
20290399250,22cyclictest0-21swapper/200:25:132
20290399250,21cyclictest3471731-21systemd-journal20:25:002
20290399250,20cyclictest0-21swapper/222:20:132
20290399250,1cyclictest0-21swapper/219:55:132
20289899251,21cyclictest213293-21apt-get19:20:131
202895992522,2cyclictest522-21in:imuxsock21:14:590
20289599252,21cyclictest427529-21apt-get22:30:130
202895992520,3cyclictest421317-21apt-get22:25:120
202895992520,2cyclictest550904-21apt-get00:15:110
20289599251,2cyclictest481527-21apt-get23:15:120
20289599251,2cyclictest326066-21diskmemload00:39:400
20289599251,22cyclictest0-21swapper/021:20:130
20289599251,21cyclictest0-21swapper/023:55:590
20289599251,21cyclictest0-21swapper/021:00:170
20289599250,2cyclictest0-21swapper/023:20:110
20290599241,20cyclictest498822-21apt-get23:30:123
20290599241,20cyclictest498822-21apt-get23:30:123
20290599241,20cyclictest326066-21diskmemload22:33:503
20290599241,20cyclictest0-21swapper/322:27:563
20290599240,4cyclictest284621-21ls20:29:593
20290599240,2cyclictest279544-21awk20:25:003
20290599240,2cyclictest0-21swapper/323:50:453
20290599240,2cyclictest0-21swapper/323:07:193
20290599240,2cyclictest0-21swapper/321:50:123
20290599240,2cyclictest0-21swapper/300:10:133
20290599240,23cyclictest1-21systemd23:25:003
20290599240,22cyclictest0-21swapper/321:55:133
20290599240,21cyclictest568419-21diskstats00:30:153
20290599240,21cyclictest364043-21ssh21:40:133
20290599240,21cyclictest0-21swapper/323:40:193
20290599240,21cyclictest0-21swapper/319:30:133
20290599240,20cyclictest0-21swapper/321:15:043
20290599240,20cyclictest0-21swapper/321:10:013
202903992420,2cyclictest389527-21apt-get22:00:122
202903992420,2cyclictest290824-21apt-get20:35:162
202903992419,3cyclictest203112-21apt-get19:10:132
202903992417,5cyclictest504609-21/usr/sbin/munin23:35:232
20290399241,21cyclictest364037-21apt-get21:40:142
20290399240,2cyclictest0-21swapper/220:45:142
20290399240,23cyclictest355302-21cat21:30:202
20290399240,22cyclictest446368-21ssh22:45:142
20290399240,22cyclictest0-21swapper/221:15:042
20290399240,21cyclictest492802-21systemd-run23:25:002
20290399240,20cyclictest0-21swapper/223:55:592
20290399240,20cyclictest0-21swapper/223:01:552
20290399240,20cyclictest0-21swapper/220:40:182
20290399240,1cyclictest0-21swapper/223:50:452
20290399240,1cyclictest0-21swapper/223:15:122
20290399240,19cyclictest444091-21ntpq22:40:212
20290399240,19cyclictest0-21swapper/223:45:132
20290399240,19cyclictest0-21swapper/219:20:362
202898992420,2cyclictest395826-21apt-get22:05:161
202898992419,4cyclictest370012-21munin-run21:45:001
20289899241,3cyclictest433825-21sh22:35:161
20289899241,20cyclictest562504-21apt-get00:25:141
20289899241,20cyclictest223497-21apt-get19:30:121
20289899240,23cyclictest408846-21ssh22:15:171
202895992421,2cyclictest504634-21apt-get23:35:120
20289599241,2cyclictest326066-21diskmemload21:49:240
20289599241,22cyclictest0-21swapper/019:27:020
20289599241,21cyclictest0-21swapper/022:00:120
20289599241,21cyclictest0-21swapper/021:40:120
20289599241,21cyclictest0-21swapper/021:37:000
20289599241,20cyclictest0-21swapper/022:50:050
20289599240,2cyclictest249362-21apt-get19:55:130
20289599240,20cyclictest0-21swapper/019:30:120
202905992319,2cyclictest574047-21apt-get00:35:143
202905992318,3cyclictest352342-21uname21:30:183
202905992317,4cyclictest0-21swapper/319:45:163
20290599231,2cyclictest0-21swapper/323:15:123
20290599231,21cyclictest64-21kcompactd019:41:013
20290599231,21cyclictest326066-21diskmemload22:59:433
20290599231,21cyclictest0-21swapper/323:37:443
20290599231,20cyclictest0-21swapper/322:00:213
20290599230,2cyclictest521668-21cron23:50:003
20290599230,2cyclictest0-21swapper/320:40:183
20290599230,2cyclictest0-21swapper/320:10:123
20290599230,21cyclictest64-21kcompactd019:57:403
20290599230,21cyclictest0-21swapper/320:35:163
20290599230,20cyclictest64-21kcompactd019:18:593
20290599230,20cyclictest326066-21diskmemload22:50:293
20290599230,20cyclictest0-21swapper/323:00:363
20290599230,20cyclictest0-21swapper/321:20:123
20290599230,1cyclictest444101-21ssh22:40:213
20290399231,2cyclictest338894-21apt-get21:20:122
20290399231,2cyclictest326066-21diskmemload21:35:122
20290399231,21cyclictest326066-21diskmemload22:34:232
20290399230,20cyclictest326066-21diskmemload22:35:102
20290399230,20cyclictest326066-21diskmemload00:34:252
20290399230,20cyclictest0-21swapper/221:55:132
20290399230,1cyclictest0-21swapper/221:47:062
20290399230,1cyclictest0-21swapper/220:55:122
20290399230,1cyclictest0-21swapper/200:18:322
20290399230,1cyclictest0-21swapper/200:05:232
20290399230,19cyclictest64-21kcompactd019:42:372
20290399230,19cyclictest0-21swapper/223:30:122
20290399230,19cyclictest0-21swapper/223:30:122
20290399230,19cyclictest0-21swapper/221:50:132
20290399230,19cyclictest0-21swapper/220:10:122
20290399230,19cyclictest0-21swapper/219:30:132
20290399230,19cyclictest0-21swapper/200:00:212
202898992320,2cyclictest326066-21diskmemload21:20:571
202898992318,4cyclictest432317-21ssh22:31:191
20289899231,21cyclictest326066-21diskmemload22:12:361
20289899231,20cyclictest0-21swapper/100:00:121
20289899231,19cyclictest0-21swapper/121:25:141
20289899230,3cyclictest419505-21ssh22:21:381
20289899230,22cyclictest514871-21awk23:40:251
20289899230,22cyclictest509263-21ssh23:36:061
20289899230,22cyclictest264327-21idleruntime-cro20:10:001
202895992319,3cyclictest573586-21sshd00:34:220
202895992319,3cyclictest326066-21diskmemload21:30:180
202895992319,2cyclictest0-21swapper/020:35:150
202895992318,3cyclictest556696-21apt-get00:20:140
202895992318,3cyclictest274504-21munin-run20:19:590
20289599231,3cyclictest279546-21sh20:25:000
20289599231,2cyclictest326066-21diskmemload00:05:220
20289599231,2cyclictest0-21swapper/020:55:130
20289599231,2cyclictest0-21swapper/020:40:190
20289599231,21cyclictest0-21swapper/021:53:050
20289599231,21cyclictest0-21swapper/019:10:130
20289599231,20cyclictest498822-21apt-get23:30:120
20289599231,20cyclictest498822-21apt-get23:30:120
20289599231,20cyclictest326066-21diskmemload22:11:030
20289599231,20cyclictest0-21swapper/023:07:050
20289599230,2cyclictest64-21kcompactd019:20:360
20289599230,2cyclictest259547-21apt-get20:05:150
20289599230,21cyclictest526732-21ssh23:51:410
20289599230,1cyclictest0-21swapper/022:15:240
202905992219,1cyclictest326066-21diskmemload22:15:083
20290599220,2cyclictest0-21swapper/323:12:423
20290599220,20cyclictest0-21swapper/323:27:533
20290599220,1cyclictest0-21swapper/322:12:053
20290599220,1cyclictest0-21swapper/321:36:103
20290599220,1cyclictest0-21swapper/300:21:333
202903992218,3cyclictest64-21kcompactd000:22:132
202903992218,2cyclictest326380-21apt-get21:10:122
202903992217,3cyclictest0-21swapper/221:00:142
202903992216,5cyclictest469883-21ssh23:05:102
20290399220,21cyclictest269706-21taskset20:15:132
20290399220,20cyclictest395833-21ssh22:05:162
20290399220,19cyclictest0-21swapper/223:25:072
20290399220,19cyclictest0-21swapper/222:11:042
20290399220,19cyclictest0-21swapper/219:45:162
202898992219,2cyclictest376979-21apt-get21:50:131
202898992219,2cyclictest326066-21diskmemload22:29:451
202898992219,2cyclictest0-21swapper/121:36:121
202898992219,1cyclictest269702-21apt-get20:15:121
202898992218,3cyclictest452033-21ssh22:49:101
202898992218,2cyclictest0-21swapper/120:35:151
202898992217,4cyclictest555904-21ssh00:17:431
20289899221,2cyclictest326066-21diskmemload00:06:231
20289899221,20cyclictest326066-21diskmemload00:39:311
20289899221,20cyclictest326066-21diskmemload00:30:541
20289899221,20cyclictest326066-21diskmemload00:23:281
20289899221,20cyclictest0-21swapper/123:17:321
20289899221,1cyclictest440080-21apt-get22:40:101
20289899220,2cyclictest370384-21gpgv21:45:011
20289899220,21cyclictest452560-21ssh22:50:081
20289899220,19cyclictest0-21swapper/123:50:131
20289899220,19cyclictest0-21swapper/119:45:151
202895992219,2cyclictest326066-21diskmemload22:41:300
202895992219,2cyclictest244755-21ps19:50:160
202895992218,2cyclictest0-21swapper/023:10:400
20289599220,2cyclictest326066-21diskmemload23:26:000
20289599220,2cyclictest264602-21apt-get20:10:120
20289599220,2cyclictest239185-21apt-get19:45:150
20289599220,2cyclictest0-21swapper/000:00:210
20289599220,21cyclictest0-21swapper/023:00:360
202905992119,1cyclictest0-21swapper/320:30:133
202905992119,1cyclictest0-21swapper/319:10:133
202905992117,2cyclictest0-21swapper/319:52:513
202905992117,1cyclictest64-21kcompactd021:08:073
202905992117,1cyclictest64-21kcompactd021:08:063
202903992119,1cyclictest229029-21apt-get19:35:172
202903992119,1cyclictest0-21swapper/219:27:022
202903992118,2cyclictest425254-21/usr/sbin/munin22:25:212
202903992117,3cyclictest280317-21irqcore20:25:162
20290399210,2cyclictest0-21swapper/200:10:132
20290399210,1cyclictest0-21swapper/223:40:322
202898992119,1cyclictest0-21swapper/123:33:501
202898992119,1cyclictest0-21swapper/123:33:501
202898992119,1cyclictest0-21swapper/123:26:191
202898992119,1cyclictest0-21swapper/121:30:131
202898992118,2cyclictest326066-21diskmemload23:13:061
20289899211,1cyclictest244258-21apt-get19:50:121
20289899211,1cyclictest0-21swapper/121:56:201
20289899211,19cyclictest326066-21diskmemload22:00:331
20289899210,2cyclictest326066-21diskmemload00:10:041
20289899210,20cyclictest64-21kcompactd020:34:461
20289899210,20cyclictest64-21kcompactd020:21:211
20289899210,20cyclictest64-21kcompactd020:12:441
20289899210,20cyclictest474812-21ssh23:07:101
20289899210,20cyclictest0-21swapper/123:49:081
20289899210,20cyclictest0-21swapper/123:01:481
20289899210,20cyclictest0-21swapper/121:15:221
20289899210,1cyclictest326066-21diskmemload23:56:061
20289899210,19cyclictest0-21swapper/122:55:121
202895992119,1cyclictest0-21swapper/021:08:070
202895992119,1cyclictest0-21swapper/021:08:070
202895992118,2cyclictest0-21swapper/020:30:010
20289599210,20cyclictest0-21swapper/019:18:580
20289599210,19cyclictest0-21swapper/019:35:170
202905992018,1cyclictest64-21kcompactd019:21:073
202905992016,2cyclictest0-21swapper/320:05:133
202903992018,1cyclictest0-21swapper/220:33:432
202903992016,2cyclictest452602-21apt-get22:50:132
20290399200,1cyclictest0-21swapper/200:39:402
202898992018,1cyclictest0-21swapper/119:45:001
202898992018,1cyclictest0-21swapper/119:10:131
202898992016,2cyclictest295905-21apt-get20:40:181
20289899200,1cyclictest222181-21grep19:25:191
20289899200,1cyclictest0-21swapper/120:55:111
20289899200,1cyclictest0-21swapper/120:25:121
20289899200,1cyclictest0-21swapper/119:35:161
20289899200,1cyclictest0-21swapper/119:17:541
20289899200,19cyclictest0-21swapper/120:49:491
202895992018,1cyclictest0-21swapper/020:01:260
202905991917,1cyclictest64-21kcompactd020:01:273
202905991916,2cyclictest0-21swapper/320:20:003
202905991914,3cyclictest306014-21apt-get20:50:173
202903991915,2cyclictest0-21swapper/221:08:072
202903991915,2cyclictest0-21swapper/221:08:062
202898991917,1cyclictest0-21swapper/123:23:181
202895991917,1cyclictest0-21swapper/020:29:570
202905991816,1cyclictest0-21swapper/319:36:433
202903991815,2cyclictest208505-21gltestperf19:15:162
202895991815,2cyclictest0-21swapper/020:50:170
202903991714,2cyclictest0-21swapper/220:00:232
202903991714,1cyclictest0-21swapper/219:52:512
202898991716,1cyclictest64-21kcompactd019:58:131
202898991715,1cyclictest0-21swapper/121:05:161
202898991715,1cyclictest0-21swapper/121:05:151
202898991715,1cyclictest0-21swapper/121:00:131
202898991714,2cyclictest683-21runrttasks20:50:281
202898991513,1cyclictest254953-21ps20:00:201
20290399111,2cyclictest202818-21latency_hist19:10:002
2028959995,2cyclictest202934-21latency_hist19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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