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2025-12-07 - 18:30
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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 Dec 07, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
54801699351,32cyclictest1-21systemd09:45:190
548016993428,5cyclictest1677828-21kworker/0:1+pm10:14:510
548016993428,5cyclictest1677828-21kworker/0:1+pm10:14:510
548016993219,11cyclictest589478-21latency_hist07:50:000
54801699320,31cyclictest785047-21ssh10:37:530
54801699320,30cyclictest846625-21ntpq11:25:230
54801699311,29cyclictest0-21swapper/009:30:200
54801699311,27cyclictest741258-21apt-get10:05:150
54801699311,27cyclictest741258-21apt-get10:05:150
54801699311,27cyclictest0-21swapper/010:15:120
54801699310,29cyclictest630133-21cron08:30:000
54802699300,22cyclictest0-21swapper/309:36:023
54801699303,19cyclictest798895-21tune2fs10:50:150
54801699301,27cyclictest906712-21apt-get12:15:130
54801699301,26cyclictest913416-21apt-get12:20:120
54801699300,29cyclictest728359-21ssh09:54:520
54801699300,28cyclictest823675-21ssh11:10:010
548016992919,9cyclictest841242-21ssh11:21:450
548016992918,10cyclictest791460-21ssh10:43:160
548016992917,11cyclictest904885-21ssh12:11:340
54801699291,26cyclictest594585-21latency_hist07:55:000
54801699291,25cyclictest919728-21apt-get12:25:120
548016992912,12cyclictest859536-21cut11:35:230
54801699290,9cyclictest0-21swapper/011:10:000
54801699290,28cyclictest930889-21ssh12:31:310
54801699290,28cyclictest810485-21ssh10:58:420
54801699290,28cyclictest797222-21ssh10:46:290
54801699290,28cyclictest778744-21ssh10:34:160
54801699290,28cyclictest740589-21ssh10:03:560
548026992825,2cyclictest683747-21apt-key09:20:003
548021992825,2cyclictest766056-21apt-key10:25:012
548016992818,9cyclictest886027-21ssh11:58:010
548016992818,8cyclictest614903-21munin-run08:15:000
548016992817,10cyclictest867371-21ssh11:43:310
54801699280,9cyclictest852885-21ssh11:30:220
54801699280,8cyclictest893111-21ssh12:04:190
54801699280,27cyclictest765816-21ssh10:24:190
54801699280,27cyclictest696635-21ssh09:28:320
54801699280,26cyclictest688501-21ntpq09:20:230
54801699275,11cyclictest607013-21cut08:05:180
54801699272,22cyclictest932272-21apt-get12:35:120
54801699272,22cyclictest932272-21apt-get12:35:120
54801699271,25cyclictest670749-21diskmemload11:18:090
54801699271,25cyclictest0-21swapper/011:02:190
54801699270,26cyclictest734477-21seq09:59:240
548016992617,8cyclictest0-21swapper/007:40:000
548016992617,8cyclictest0-21swapper/007:39:590
54801699261,6cyclictest0-21swapper/012:05:130
54801699261,22cyclictest620274-21apt-get08:20:170
54801699261,21cyclictest0-21swapper/011:50:140
54801699261,21cyclictest0-21swapper/008:45:110
54801699260,25cyclictest0-21swapper/009:19:000
54801699260,25cyclictest0-21swapper/009:14:550
54801699260,24cyclictest0-21swapper/010:25:120
54801699260,24cyclictest0-21swapper/009:40:180
548026992519,5cyclictest798334-21idleruntime-cro10:50:003
54802699251,21cyclictest747491-21apt-get10:10:123
54802699251,21cyclictest747491-21apt-get10:10:123
54802699250,23cyclictest691150-21ssh09:25:133
54802699250,22cyclictest728783-21/usr/sbin/munin09:55:143
54802699250,21cyclictest0-21swapper/307:25:123
54802199252,3cyclictest855550-21apt-get11:35:132
548021992522,1cyclictest823430-21cron11:10:012
54802199252,21cyclictest671078-21apt-get09:10:132
54802199251,1cyclictest191rcu_preempt09:33:072
548018992518,5cyclictest548237-21seq07:10:131
54801899250,2cyclictest191rcu_preempt08:45:001
54801699254,11cyclictest562941-21awk07:20:240
54801699251,21cyclictest0-21swapper/007:10:130
54801699251,20cyclictest0-21swapper/008:00:110
54801699250,24cyclictest0-21swapper/011:47:090
54801699250,24cyclictest0-21swapper/009:36:420
54801699250,24cyclictest0-21swapper/009:06:440
54802699241,3cyclictest670749-21diskmemload10:25:303
54802699241,21cyclictest3471731-21systemd-journal12:19:593
54802699241,20cyclictest830045-21apt-get11:15:133
54802699241,20cyclictest670749-21diskmemload09:10:043
54802699241,20cyclictest594854-21apt-get07:55:113
54802699241,20cyclictest0-21swapper/311:30:133
54802699241,20cyclictest0-21swapper/308:00:133
54802699241,20cyclictest0-21swapper/307:35:133
54802699241,20cyclictest0-21swapper/307:35:133
54802699240,21cyclictest798810-21diskstats10:50:153
54802699240,20cyclictest0-21swapper/308:05:123
54802199242,2cyclictest722413-21apt-get09:50:132
54802199242,21cyclictest610110-21apt-get08:10:132
54802199240,22cyclictest689510-21runrttasks09:22:052
54802199240,22cyclictest644465-21taskset08:40:222
54801899241,20cyclictest0-21swapper/109:10:131
54801899240,4cyclictest1-21systemd11:40:001
54801699240,21cyclictest0-21swapper/008:50:130
54801699240,21cyclictest0-21swapper/007:15:140
54801699240,13cyclictest637370-21tr08:35:180
548026992320,1cyclictest0-21swapper/308:15:133
548026992319,2cyclictest893661-21apt-get12:05:133
548026992319,2cyclictest670777-21ssh09:10:003
548026992319,2cyclictest0-21swapper/308:45:123
548026992319,2cyclictest0-21swapper/307:20:143
548026992318,4cyclictest785725-21cron10:40:003
548026992318,4cyclictest720926-21ssh09:46:103
54802699231,2cyclictest670749-21diskmemload12:32:043
54802699231,2cyclictest670749-21diskmemload11:10:063
54802699230,3cyclictest841325-21ssh11:22:013
54802699230,22cyclictest816369-21ssh11:02:303
54802699230,21cyclictest925694-21cron12:29:593
54802699230,20cyclictest842567-21ssh11:25:133
54802699230,20cyclictest0-21swapper/309:50:123
54802699230,20cyclictest0-21swapper/309:30:063
54802699230,19cyclictest0-21swapper/311:05:053
548021992318,4cyclictest834064-21ssh11:15:222
548021992318,3cyclictest677736-21apt-get09:15:122
54802199231,2cyclictest811201-21apt-get11:00:122
54802199231,21cyclictest852690-21memory11:30:202
54802199231,21cyclictest670749-21diskmemload10:44:332
54802199231,21cyclictest0-21swapper/207:30:122
54802199231,20cyclictest670749-21diskmemload12:01:492
54802199230,21cyclictest846350-21expr11:25:202
54802199230,21cyclictest670749-21diskmemload12:05:372
54802199230,21cyclictest391rcuc/209:29:282
54802199230,1cyclictest0-21swapper/211:57:532
54801899231,2cyclictest670749-21diskmemload12:34:351
54801899231,2cyclictest574100-21apt-get07:35:131
54801899231,2cyclictest574100-21apt-get07:35:121
54801899231,20cyclictest670749-21diskmemload10:43:421
54801899230,22cyclictest885232-21ssh11:55:301
54801899230,20cyclictest722347-21ssh09:50:041
54801899230,20cyclictest670749-21diskmemload11:05:091
54801899230,20cyclictest0-21swapper/107:45:121
54801699230,22cyclictest0-21swapper/008:35:000
54801699230,21cyclictest569522-21irqcore07:30:170
54801699230,12cyclictest659593-21ls08:55:190
54801699230,11cyclictest583930-21chrt07:44:150
548026992219,2cyclictest670749-21diskmemload11:45:123
548026992219,2cyclictest670749-21diskmemload10:16:453
548026992219,2cyclictest0-21swapper/307:55:003
548026992218,2cyclictest709935-21ssh09:40:103
548026992217,2cyclictest635207-21cron08:35:003
54802699221,20cyclictest670749-21diskmemload11:52:493
54802699221,20cyclictest0-21swapper/310:00:133
54802699220,3cyclictest902244-21kthreadcore12:10:163
54802699220,3cyclictest778481-21ssh10:33:283
54802699220,2cyclictest786038-21apt-get10:40:123
54802699220,2cyclictest747184-21idleruntime-cro10:10:003
54802699220,2cyclictest747184-21idleruntime-cro10:10:003
54802699220,2cyclictest670749-21diskmemload12:36:443
54802699220,2cyclictest670749-21diskmemload12:36:433
54802699220,20cyclictest917943-21grep12:20:263
54802699220,20cyclictest887293-21ssh12:00:023
54802699220,20cyclictest670749-21diskmemload09:21:413
54802699220,20cyclictest589115-21true07:50:003
54802699220,19cyclictest0-21swapper/311:40:103
548021992219,2cyclictest670749-21diskmemload10:36:522
548021992219,2cyclictest670749-21diskmemload10:06:052
548021992219,2cyclictest670749-21diskmemload10:06:052
548021992219,2cyclictest670749-21diskmemload10:02:042
548021992219,2cyclictest670749-21diskmemload09:49:022
548021992219,2cyclictest0-21swapper/207:10:132
548021992219,1cyclictest930009-21ntpq12:30:222
54802199221,2cyclictest670749-21diskmemload09:42:472
54802199221,20cyclictest925446-21ssh12:29:112
54802199221,20cyclictest670749-21diskmemload12:24:492
54802199221,20cyclictest670749-21diskmemload11:53:462
54802199221,20cyclictest670749-21diskmemload11:11:062
54802199221,20cyclictest670749-21diskmemload10:27:502
54802199221,20cyclictest670749-21diskmemload10:18:182
54802199221,20cyclictest64-21kcompactd010:45:162
54802199221,20cyclictest625372-21apt-get08:25:152
54802199221,20cyclictest0-21swapper/211:40:112
54802199220,3cyclictest809179-21/usr/sbin/munin10:55:262
54802199220,20cyclictest598741-21/usr/sbin/munin07:55:212
54802199220,20cyclictest0-21swapper/212:10:032
54802199220,19cyclictest936287-21ntpq12:35:222
54802199220,19cyclictest936287-21ntpq12:35:212
548018992220,1cyclictest670749-21diskmemload09:27:071
548018992219,2cyclictest783769-21ssh10:35:231
548018992219,2cyclictest64-21kcompactd009:19:391
548018992218,2cyclictest823760-21apt-get11:10:131
54801899221,2cyclictest670749-21diskmemload10:32:221
54801899221,20cyclictest709936-21ssh09:40:101
54801899221,20cyclictest670749-21diskmemload12:39:001
54801899221,20cyclictest670749-21diskmemload12:39:001
54801899221,20cyclictest670749-21diskmemload12:02:271
54801899221,20cyclictest670749-21diskmemload11:49:071
54801899221,20cyclictest670749-21diskmemload09:57:581
54801899221,20cyclictest630417-21apt-get08:30:121
54801899221,20cyclictest0-21swapper/110:23:301
54801899220,2cyclictest660867-21apt-get09:00:121
54801899220,21cyclictest879860-21ssh11:53:181
54801899220,21cyclictest670749-21diskmemload09:21:541
54801899220,21cyclictest3471731-21systemd-journal07:20:001
54801899220,20cyclictest906712-21apt-get12:15:121
54801899220,19cyclictest0-21swapper/108:05:121
548016992218,2cyclictest640577-21apt-get08:40:140
548016992211,9cyclictest0-21swapper/007:25:170
54801699220,10cyclictest661753-21sed09:00:160
54801699220,10cyclictest595081-21fschecks_time07:55:150
548026992119,1cyclictest670749-21diskmemload10:55:273
548026992119,1cyclictest0-21swapper/307:15:143
548026992118,1cyclictest0-21swapper/307:40:113
54802699211,1cyclictest880713-21apt-get11:55:123
54802699210,2cyclictest760338-21fschecks_time10:20:163
54802699210,20cyclictest0-21swapper/311:35:583
54802699210,20cyclictest0-21swapper/307:32:383
54802699210,1cyclictest64-21kcompactd009:01:223
548021992119,1cyclictest670749-21diskmemload10:51:022
548021992119,1cyclictest655776-21apt-get08:55:122
548021992119,1cyclictest0-21swapper/211:47:582
548021992119,1cyclictest0-21swapper/211:20:052
548021992119,1cyclictest0-21swapper/208:50:132
54802199211,1cyclictest670749-21diskmemload09:56:042
54802199211,19cyclictest0-21swapper/212:15:012
54802199210,20cyclictest579670-21tr07:40:162
54802199210,20cyclictest0-21swapper/208:01:092
54802199210,1cyclictest563709-21sh07:25:002
54802199210,19cyclictest0-21swapper/210:30:422
548018992119,1cyclictest670749-21diskmemload11:41:381
548018992119,1cyclictest665944-21apt-get09:05:121
548018992119,1cyclictest0-21swapper/112:25:121
548018992119,1cyclictest0-21swapper/112:20:561
548018992119,1cyclictest0-21swapper/110:45:061
548018992118,2cyclictest670749-21diskmemload11:20:151
548018992118,2cyclictest670749-21diskmemload10:25:361
548018992118,1cyclictest811208-21ssh11:00:131
54801899211,1cyclictest670749-21diskmemload10:15:051
54801899211,1cyclictest670749-21diskmemload10:12:531
54801899211,1cyclictest670749-21diskmemload10:12:521
54801899211,19cyclictest670749-21diskmemload11:15:591
548018992110,1cyclictest0-21swapper/108:20:001
54801899210,2cyclictest568760-21cron07:30:001
54801899210,20cyclictest904666-21ssh12:10:481
54801899210,20cyclictest851187-21kthreadcore11:30:191
54801899210,20cyclictest0-21swapper/108:24:161
54801899210,1cyclictest703655-21ssh09:35:121
54801899210,19cyclictest741222-21ssh10:05:131
54801899210,19cyclictest741222-21ssh10:05:131
54801899210,19cyclictest0-21swapper/110:50:081
54801899210,19cyclictest0-21swapper/109:45:051
54801699210,11cyclictest615510-21expr08:15:150
54802699200,1cyclictest0-21swapper/308:55:123
54802699200,1cyclictest0-21swapper/308:35:223
54802699200,19cyclictest0-21swapper/307:10:253
548021992018,1cyclictest0-21swapper/208:15:222
548021992017,2cyclictest646125-21irqcore08:45:162
54802199200,1cyclictest0-21swapper/207:45:122
54802199200,1cyclictest0-21swapper/207:35:132
54802199200,1cyclictest0-21swapper/207:35:132
54802199200,1cyclictest0-21swapper/207:25:222
548018992018,1cyclictest64-21kcompactd007:21:211
548018992018,1cyclictest0-21swapper/107:50:121
548018992017,1cyclictest640301-21ls08:40:001
54801899200,1cyclictest0-21swapper/107:55:121
54801899200,1cyclictest0-21swapper/107:30:121
54801899200,19cyclictest701405-21ssh09:30:241
548026991917,1cyclictest0-21swapper/308:40:563
548026991917,1cyclictest0-21swapper/308:20:163
548021991916,2cyclictest0-21swapper/208:20:162
54802199190,1cyclictest64-21kcompactd007:17:362
548018991918,1cyclictest0-21swapper/108:00:181
548021991816,1cyclictest0-21swapper/209:00:122
548021991815,2cyclictest609844-21sh08:10:002
548021991815,2cyclictest590187-21idleruntime07:50:152
548021991810,2cyclictest191rcu_preempt09:05:222
548018991816,1cyclictest0-21swapper/108:55:121
548018991814,2cyclictest650678-21apt-get08:50:141
548026991715,1cyclictest0-21swapper/308:10:143
548018991715,1cyclictest64-21kcompactd008:45:461
548026991511,2cyclictest0-21swapper/308:50:133
54802199158,2cyclictest191rcu_preempt08:30:242
548018991513,1cyclictest0-21swapper/108:25:151
548018991510,4cyclictest579676-21ps07:40:161
548026991410,3cyclictest630129-21cron08:30:003
54801699141,11cyclictest0-21swapper/007:09:590
548021991210,1cyclictest637725-21kthreadcore08:35:192
54802199120,5cyclictest391rcuc/207:10:002
54801899128,2cyclictest0-21swapper/108:10:181
5480269971,4cyclictest547940-21latency_hist07:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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