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2025-12-04 - 11:08
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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 highest latencies:
System rackeslot4.osadl.org (updated Thu Dec 04, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
403425599338,24cyclictest3471731-21systemd-journal21:45:003
4034247993229,2cyclictest0-21swapper/123:25:151
4034255992925,3cyclictest148137-21ls23:35:013
4034247992823,3cyclictest109582-21systemd-run23:05:011
403425599272,22cyclictest4122897-21apt-get20:35:133
403424799271,22cyclictest4143699-21apt-get20:55:141
403424799262,3cyclictest4154230-21apt-get21:05:121
403424799262,21cyclictest122813-21apt-get23:15:131
403424799261,4cyclictest145757-21cut23:30:181
403424799261,23cyclictest193030-21ps00:10:181
403424799261,21cyclictest59629-21apt-get22:25:131
403424799261,21cyclictest4096657-21apt-get20:10:111
403425599252,22cyclictest491ktimers/323:11:123
403425599251,21cyclictest4165641-21apt-get21:15:133
403425599251,20cyclictest34619-21diskstats22:05:163
4034250992522,2cyclictest522-21in:imuxsock22:45:002
403425099251,21cyclictest217679-21apt-get00:30:132
403424799252,3cyclictest180003-21apt-get00:00:141
403424799252,3cyclictest129510-21apt-get23:20:131
403424799251,3cyclictest110298-21apt-get23:05:121
403424799251,22cyclictest4034462-21apt-get19:10:111
403424799251,21cyclictest4055790-21apt-get19:30:131
403424799251,21cyclictest0-21swapper/123:35:141
403424799251,21cyclictest0-21swapper/120:50:131
403424799250,4cyclictest50566-21ssh22:15:211
403424799250,21cyclictest0-21swapper/120:20:151
4034245992521,3cyclictest4056152-21tail19:30:160
4034245992513,2cyclictest4070929-21awk19:44:590
4034255992420,2cyclictest224010-21apt-get00:35:153
403425599240,22cyclictest4085414-21chrt19:55:243
403425599240,21cyclictest122816-21seq23:15:123
4034247992419,3cyclictest4101734-21apt-get20:15:111
4034247992418,3cyclictest173659-21ssh23:55:121
403424799241,3cyclictest53320-21apt-get22:20:131
403424799241,3cyclictest169041-21kthreadcore23:50:181
403424799241,2cyclictest4159052-21diskmemload22:40:091
403424799241,21cyclictest4159052-21diskmemload22:05:091
403424799241,21cyclictest4159052-21diskmemload21:31:111
403424799241,20cyclictest0-21swapper/123:45:121
403424799241,20cyclictest0-21swapper/121:45:071
403424799241,20cyclictest0-21swapper/121:40:111
403424799241,20cyclictest0-21swapper/119:40:111
403424799240,3cyclictest223705-21munin-run00:35:011
403424799240,22cyclictest4046026-21cut19:20:171
403424799240,22cyclictest3471731-21systemd-journal21:15:001
403424799240,22cyclictest102143-21ssh22:56:221
403424799240,21cyclictest301rcuc/121:50:121
403424799240,21cyclictest0-21swapper/122:45:081
403424799240,21cyclictest0-21swapper/100:05:141
403424799240,20cyclictest40735-21ssh22:10:141
403424799240,20cyclictest0-21swapper/100:25:011
4034245992418,4cyclictest97053-21pluginstate22:55:000
4034245992418,4cyclictest97053-21pluginstate22:55:000
403424599241,21cyclictest97341-21apt-get22:55:120
403424599241,21cyclictest78453-21apt-get22:40:110
403424599241,21cyclictest4171949-21apt-get21:20:140
403424599241,21cyclictest192525-21apt-get00:10:140
403425599232,20cyclictest1737-21sh21:36:433
4034255992319,3cyclictest141711-21ssh23:29:433
403425599231,2cyclictest4159052-21diskmemload23:52:193
4034255992312,2cyclictest0-21swapper/322:35:203
403425599230,3cyclictest166343-21ssh23:47:483
403425599230,20cyclictest4159052-21diskmemload21:45:033
403425599230,20cyclictest148450-21apt-get23:35:133
403425099232,2cyclictest522-21in:imuxsock20:30:002
4034250992319,3cyclictest21469-21ssh21:54:372
4034250992319,2cyclictest4091564-21seq20:05:152
4034250992319,2cyclictest205082-21apt-get00:20:122
4034250992319,2cyclictest13479-21taskset21:45:232
4034250992318,3cyclictest129518-21ssh23:20:132
403425099231,2cyclictest91073-21apt-get22:50:132
403425099231,2cyclictest91073-21apt-get22:50:122
403425099231,2cyclictest4159052-21diskmemload22:10:392
403425099231,2cyclictest4133542-21apt-get20:45:112
403425099230,4cyclictest66092-21grep22:30:142
403425099230,20cyclictest4159052-21diskmemload23:25:062
403425099230,20cyclictest148456-21ssh23:35:142
403425099230,20cyclictest0-21swapper/223:55:082
403425099230,20cyclictest0-21swapper/222:45:112
403425099230,20cyclictest0-21swapper/221:15:132
4034247992319,3cyclictest203489-21ssh00:15:531
403424799231,2cyclictest0-21swapper/122:01:491
403424799231,21cyclictest4159052-21diskmemload23:13:541
403424799231,21cyclictest0-21swapper/120:40:141
403424799231,20cyclictest4159052-21diskmemload22:36:531
403424799231,20cyclictest4159052-21diskmemload21:23:531
403424799231,20cyclictest0-21swapper/100:36:221
403424799230,21cyclictest4159052-21diskmemload21:56:131
403424799230,21cyclictest4159052-21diskmemload21:35:241
403424799230,21cyclictest4061462-21ps19:35:171
403424799230,21cyclictest205087-21ssh00:20:131
403424799230,20cyclictest64-21kcompactd019:50:091
403424799230,20cyclictest4086458-21apt-get20:00:131
403424799230,1cyclictest4165647-21ssh21:15:131
403424599232,1cyclictest4045524-21apt-get19:20:130
4034245992320,1cyclictest122813-21apt-get23:15:130
4034245992319,2cyclictest4149176-21apt-get21:00:120
4034245992319,2cyclictest28204-21apt-get22:00:110
4034245992317,4cyclictest15685-21acpi21:50:120
403424599231,2cyclictest4106819-21apt-get20:20:160
403424599231,20cyclictest4159052-21diskmemload22:05:200
403424599231,20cyclictest4117793-21apt-get20:30:120
403424599231,20cyclictest4117793-21apt-get20:30:120
403424599231,20cyclictest4050668-21apt-get19:25:100
403424599231,20cyclictest154779-21apt-get23:40:150
403424599230,21cyclictest9055-21cron21:45:000
403424599230,20cyclictest4159052-21diskmemload21:25:060
403424599230,19cyclictest0-21swapper/021:19:470
4034255992219,2cyclictest522-21in:imuxsock19:30:303
4034255992219,2cyclictest4159052-21diskmemload22:50:263
4034255992219,2cyclictest4159052-21diskmemload22:50:263
4034255992219,2cyclictest4159052-21diskmemload00:26:593
4034255992219,2cyclictest4092058-21ps20:05:193
4034255992219,2cyclictest20770-21ssh21:52:233
4034255992219,2cyclictest0-21swapper/323:00:123
4034255992219,1cyclictest0-21swapper/320:15:123
4034255992218,2cyclictest4149661-21ps21:00:173
4034255992218,2cyclictest197773-21ssh00:12:453
4034255992218,2cyclictest110769-21ssh23:05:163
403425599221,2cyclictest4159052-21diskmemload22:14:053
403425599221,2cyclictest0-21swapper/300:30:263
403425599221,20cyclictest4159052-21diskmemload22:41:303
403425599221,20cyclictest4159052-21diskmemload00:08:593
403425599221,20cyclictest4138622-21apt-get20:50:133
403425599220,2cyclictest4159052-21diskmemload00:04:163
403425599220,21cyclictest51136-21ld22:15:253
403425599220,21cyclictest4159052-21diskmemload21:31:393
403425599220,21cyclictest158884-21/usr/sbin/munin23:40:253
403425599220,20cyclictest4159052-21diskmemload21:14:073
403425599220,20cyclictest0-21swapper/300:20:123
403425599220,19cyclictest97636-21fw_conntrack22:55:153
403425599220,19cyclictest0-21swapper/322:20:123
403425599220,19cyclictest0-21swapper/321:25:153
4034250992219,2cyclictest4159052-21diskmemload23:14:222
4034250992219,2cyclictest4159052-21diskmemload22:22:272
4034250992219,2cyclictest4159052-21diskmemload21:29:262
4034250992218,3cyclictest4159052-21diskmemload23:04:502
4034250992217,3cyclictest38461-21ntpq22:05:232
403425099221,2cyclictest4159052-21diskmemload21:30:452
403425099221,2cyclictest4159052-21diskmemload00:26:592
403425099221,20cyclictest4190749-21apt-get21:35:122
403425099221,20cyclictest4159052-21diskmemload23:48:422
403425099221,20cyclictest198824-21apt-get00:15:162
403425099221,1cyclictest4159052-21diskmemload23:16:402
403425099221,1cyclictest4159052-21diskmemload22:37:062
403425099221,1cyclictest4159052-21diskmemload21:12:192
403425099220,2cyclictest97855-21/usr/sbin/munin22:55:172
403425099220,2cyclictest4159052-21diskmemload22:02:202
403425099220,21cyclictest4159052-21diskmemload23:50:362
403425099220,21cyclictest4159052-21diskmemload22:26:022
403425099220,19cyclictest0-21swapper/222:15:022
403425099220,19cyclictest0-21swapper/221:55:112
403425099220,19cyclictest0-21swapper/200:05:052
4034247992218,2cyclictest4178240-21ssh21:25:131
4034247992217,3cyclictest4071200-21apt-get19:45:121
403424799221,2cyclictest0-21swapper/123:41:081
403424799221,20cyclictest0-21swapper/120:45:111
403424799221,20cyclictest0-21swapper/120:30:121
403424799221,20cyclictest0-21swapper/120:30:121
4034245992219,2cyclictest4159341-21apt-get21:10:120
4034245992219,2cyclictest4159052-21diskmemload00:36:070
4034245992219,2cyclictest147546-21udev-worker23:33:150
4034245992219,2cyclictest0-21swapper/021:30:470
4034245992219,1cyclictest4081357-21apt-get19:55:120
4034245992218,3cyclictest203526-21ssh00:16:040
4034245992217,4cyclictest59790-21sh22:25:140
403424599221,2cyclictest4159052-21diskmemload23:53:190
403424599221,2cyclictest4159052-21diskmemload00:22:140
403424599221,20cyclictest4159052-21diskmemload23:26:550
403424599221,20cyclictest0-21swapper/020:35:120
403424599221,1cyclictest0-21swapper/020:53:340
403424599220,4cyclictest186219-21/usr/sbin/munin00:05:180
403424599220,3cyclictest171ktimers/000:25:240
403424599220,2cyclictest522-21in:imuxsock20:45:000
403424599220,2cyclictest4159052-21diskmemload23:24:170
403424599220,2cyclictest4159052-21diskmemload22:15:470
403424599220,2cyclictest117478-21irqstats23:10:170
403424599220,21cyclictest686-21snmpd21:46:560
403424599220,21cyclictest4159052-21diskmemload23:09:160
403424599220,20cyclictest26016-21ntp_states21:55:210
4034255992119,1cyclictest0-21swapper/323:20:353
4034255992119,1cyclictest0-21swapper/322:01:163
4034255992119,1cyclictest0-21swapper/321:59:093
4034255992119,1cyclictest0-21swapper/320:10:123
4034255992119,1cyclictest0-21swapper/320:00:133
4034255992118,2cyclictest71140-21ssh22:32:383
4034255992118,2cyclictest4176936-21ssh21:21:543
4034255992118,2cyclictest0-21swapper/320:55:133
4034255992118,1cyclictest0-21swapper/300:15:043
403425599210,2cyclictest4159052-21diskmemload22:48:043
403425599210,20cyclictest0-21swapper/322:25:253
403425599210,1cyclictest0-21swapper/320:25:113
403425599210,18cyclictest0-21swapper/323:55:083
4034250992119,1cyclictest4149176-21apt-get21:00:132
4034250992119,1cyclictest0-21swapper/200:10:142
403425099211,1cyclictest0-21swapper/219:20:132
403425099211,19cyclictest4159052-21diskmemload00:01:072
403425099210,2cyclictest4075098-21ntpq19:45:202
403425099210,20cyclictest4159052-21diskmemload23:40:322
403425099210,20cyclictest4159052-21diskmemload21:41:582
403425099210,20cyclictest4159052-21diskmemload21:21:472
403425099210,20cyclictest4148525-21systemd-run21:00:002
403425099210,20cyclictest228615-21ssh00:35:452
403425099210,20cyclictest113286-21ssh23:05:182
403425099210,20cyclictest0-21swapper/223:32:022
403425099210,1cyclictest0-21swapper/219:10:122
4034247992117,2cyclictest0-21swapper/120:05:141
403424799210,20cyclictest64-21kcompactd020:28:501
403424799210,20cyclictest0-21swapper/119:17:021
4034245992119,1cyclictest84763-21apt-get22:45:110
4034245992119,1cyclictest4159052-21diskmemload23:55:020
4034245992119,1cyclictest0-21swapper/023:35:360
4034245992119,1cyclictest0-21swapper/022:38:360
4034245992119,1cyclictest0-21swapper/021:39:260
4034245992119,1cyclictest0-21swapper/020:06:170
4034245992119,1cyclictest0-21swapper/019:45:120
4034245992118,2cyclictest4159052-21diskmemload22:30:260
403424599210,20cyclictest4159052-21diskmemload23:47:360
403424599210,20cyclictest4159052-21diskmemload22:21:200
403424599210,20cyclictest4159052-21diskmemload00:30:370
403424599210,20cyclictest184942-21ssh00:01:530
403424599210,19cyclictest0-21swapper/022:10:050
403424599210,18cyclictest0-21swapper/019:10:110
4034255992017,2cyclictest4128443-21apt-get20:40:133
403425599200,1cyclictest0-21swapper/319:20:343
403425599200,1cyclictest0-21swapper/319:10:123
403425599200,19cyclictest4159036-21ls21:10:003
403425599200,19cyclictest0-21swapper/319:36:423
4034250992018,2cyclictest64-21kcompactd020:38:322
4034250992018,1cyclictest1-21systemd20:25:002
4034250992018,0cyclictest0-21swapper/220:00:132
4034250992016,3cyclictest4076281-21seq19:50:122
403425099200,1cyclictest0-21swapper/221:05:132
403425099200,1cyclictest0-21swapper/220:50:132
403425099200,1cyclictest0-21swapper/220:40:132
403425099200,1cyclictest0-21swapper/219:35:132
403425099200,19cyclictest1-21systemd19:35:002
4034247992017,2cyclictest0-21swapper/119:25:141
4034247992016,2cyclictest0-21swapper/120:35:121
4034247992016,2cyclictest0-21swapper/119:55:121
4034245992018,1cyclictest4159052-21diskmemload23:02:340
4034245992018,1cyclictest0-21swapper/019:15:140
403424599200,2cyclictest4113239-21ps20:25:140
403424599200,1cyclictest0-21swapper/021:05:130
403424599200,1cyclictest0-21swapper/019:54:270
403424599200,19cyclictest0-21swapper/020:00:130
4034255991917,1cyclictest0-21swapper/320:20:153
4034255991915,3cyclictest4121908-21/usr/sbin/munin20:30:233
4034255991915,3cyclictest4121908-21/usr/sbin/munin20:30:233
4034255991915,3cyclictest4067055-21kernelversion19:40:163
4034250991917,1cyclictest0-21swapper/220:10:122
4034250991916,2cyclictest4105831-21chrt20:15:232
403425099190,1cyclictest0-21swapper/219:43:102
403425099190,18cyclictest0-21swapper/220:30:122
403425099190,18cyclictest0-21swapper/220:30:122
4034245991917,1cyclictest64-21kcompactd020:49:170
4034255991816,1cyclictest0-21swapper/320:45:123
4034255991815,2cyclictest4081085-21sh19:55:003
4034250991817,1cyclictest0-21swapper/219:57:412
4034250991816,1cyclictest0-21swapper/219:25:112
4034247991816,1cyclictest0-21swapper/121:00:021
4034245991817,0cyclictest0-21swapper/020:55:130
4034255991715,1cyclictest0-21swapper/319:15:033
4034250991716,1cyclictest0-21swapper/219:15:132
4034245991714,2cyclictest245621450irq/127-enp0s29f1:rx-020:15:100
4034245991615,1cyclictest0-21swapper/019:36:430
4034245991614,1cyclictest0-21swapper/020:10:110
4034255991210,1cyclictest0-21swapper/319:45:123
403425599116,4cyclictest3471731-21systemd-journal19:25:383
40342559985,2cyclictest4034173-21latency_hist19:10:003
40342479981,5cyclictest4034173-21latency_hist19:10:011
40342509974,2cyclictest4034389-21latency_hist19:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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