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2025-11-20 - 22:56
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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 Nov 20, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32709999300,3cyclictest0-21swapper/312:12:383
32709999300,3cyclictest0-21swapper/311:29:523
32709999300,3cyclictest0-21swapper/310:18:213
327099992918,4cyclictest50-21ksoftirqd/311:10:453
32709999280,2cyclictest450105-21diskmemload11:03:263
32709999280,21cyclictest50-21ksoftirqd/311:58:323
327099992726,1cyclictest0-21swapper/310:48:513
327096992723,3cyclictest646136-21fwupd11:42:132
32709699271,21cyclictest352695-21apt-get07:35:112
32709999265,20cyclictest481rcuc/310:21:313
327099992625,0cyclictest0-21swapper/310:53:513
327099992624,1cyclictest0-21swapper/310:13:203
327099992624,1cyclictest0-21swapper/309:52:483
327099992624,1cyclictest0-21swapper/309:16:133
327099992623,2cyclictest491ktimers/310:40:153
327099992621,3cyclictest50-21ksoftirqd/308:45:123
32709999260,5cyclictest0-21swapper/309:11:123
32709699260,6cyclictest670221-21ld12:00:202
32709999257,1cyclictest0-21swapper/312:15:463
327099992523,1cyclictest481rcuc/307:40:163
327099992522,2cyclictest491ktimers/311:15:173
32709999252,21cyclictest475530-21apt-get09:30:123
32709699251,21cyclictest576880-21apt-get10:50:132
32709699250,23cyclictest708598-21taskset12:30:212
32709699250,22cyclictest628640-21ssh11:30:172
32709699250,22cyclictest379086-21sed08:00:172
32709499251,21cyclictest383209-21apt-get08:05:121
32708999252,21cyclictest678823-21apt-get12:10:120
32708999252,21cyclictest388289-21apt-get08:10:120
327089992521,2cyclictest532926-21apt-get10:15:130
32709999242,2cyclictest409003-21apt-get08:30:113
327099992422,1cyclictest481rcuc/311:05:153
327099992422,1cyclictest0-21swapper/311:23:013
327099992419,3cyclictest711758-21irqstats12:35:183
327099992419,3cyclictest423875-21apt-get08:43:253
32709999241,2cyclictest0-21swapper/309:45:193
32709999240,23cyclictest653648-21taskset11:50:143
327096992420,2cyclictest501078-21apt-get09:50:122
327096992420,2cyclictest450105-21diskmemload10:09:342
327096992419,3cyclictest532184-21sh10:15:012
327096992419,3cyclictest488136-21apt-get09:40:152
32709699241,22cyclictest651390-21ntpq11:45:242
32709699241,21cyclictest450105-21diskmemload11:02:292
32709699241,20cyclictest0-21swapper/209:15:112
32709699241,19cyclictest419132-21apt-get08:40:092
32709699240,4cyclictest393878-21tr08:15:192
32709699240,21cyclictest476050-21grep09:30:172
327094992422,1cyclictest459603-21sshd11:04:411
327094992419,4cyclictest634234-21ssh11:34:381
327094992419,3cyclictest445282-21apt-get09:05:091
32709499241,20cyclictest0-21swapper/108:30:111
32709499240,4cyclictest423878-21seq08:43:241
32709499240,21cyclictest475699-21diskstats09:30:141
32708999244,19cyclictest171ktimers/009:46:460
32708999242,2cyclictest526212-21apt-get10:10:150
327089992420,3cyclictest691165-21munin-run12:20:000
327089992420,2cyclictest691889-21apt-get12:20:110
327089992419,3cyclictest621693-21apt-get11:25:150
327089992418,4cyclictest434329-21cron08:55:000
32708999241,2cyclictest704557-21apt-get12:30:120
32708999241,21cyclictest456662-21apt-get09:15:120
32708999241,21cyclictest419132-21apt-get08:40:090
32708999240,4cyclictest408057-21/usr/sbin/munin08:25:200
327099992321,1cyclictest0-21swapper/309:44:083
327099992320,2cyclictest481rcuc/309:00:153
327099992320,2cyclictest377869-21turbostat08:04:553
327099992319,3cyclictest50-21ksoftirqd/308:29:393
327099992318,3cyclictest698240-21apt-get12:25:103
32709999231,2cyclictest549449-21ntpq10:25:203
32709999231,21cyclictest50-21ksoftirqd/311:41:413
32709999231,21cyclictest450105-21diskmemload12:30:113
32709999230,4cyclictest50-21ksoftirqd/309:26:183
32709999230,4cyclictest468476-21ssh09:23:403
32709999230,21cyclictest588505-21ssh10:58:153
32709999230,21cyclictest450105-21diskmemload09:55:353
327096992319,3cyclictest541249-21kthreadcore10:20:162
327096992319,2cyclictest672484-21apt-get12:05:112
327096992318,2cyclictest414086-21apt-get08:35:152
327096992318,2cyclictest0-21swapper/210:40:132
32709699231,2cyclictest466965-21ntpq09:20:202
32709699231,2cyclictest450105-21diskmemload11:57:442
32709699231,21cyclictest450105-21diskmemload11:37:552
32709699231,21cyclictest450105-21diskmemload11:13:192
32709699231,20cyclictest558446-21cat10:35:152
32709699231,20cyclictest450105-21diskmemload09:10:062
32709699230,21cyclictest485862-21ssh09:35:182
32709699230,20cyclictest450105-21diskmemload09:55:062
32709699230,20cyclictest0-21swapper/209:45:162
32709699230,20cyclictest0-21swapper/208:25:012
32709699230,19cyclictest0-21swapper/209:05:092
327094992320,1cyclictest450416-21apt-get09:10:121
327094992319,3cyclictest626858-21ssh11:27:321
327094992318,4cyclictest576732-21sed10:50:001
327094992318,2cyclictest0-21swapper/109:25:111
32709499231,2cyclictest555804-21ntpq10:30:221
32709499231,2cyclictest0-21swapper/109:00:121
32709499231,19cyclictest0-21swapper/110:40:131
32709499230,22cyclictest620628-21ssh11:24:001
32709499230,21cyclictest513568-21ssh10:00:091
32709499230,20cyclictest450105-21diskmemload11:45:031
327089992320,2cyclictest450105-21diskmemload11:23:340
327089992320,2cyclictest393375-21apt-get08:15:150
327089992319,2cyclictest507370-21apt-get09:55:130
327089992319,2cyclictest378134-21apt-get08:00:130
327089992318,4cyclictest0-21swapper/009:20:100
327089992317,4cyclictest659869-21ssh11:55:050
32708999231,2cyclictest450105-21diskmemload11:39:070
32708999231,2cyclictest450105-21diskmemload09:39:510
32708999231,21cyclictest672484-21apt-get12:05:120
32708999231,21cyclictest647385-21apt-get11:45:150
32708999231,21cyclictest450105-21diskmemload09:52:310
32708999231,21cyclictest450105-21diskmemload09:12:220
32708999231,21cyclictest351522-21ntpq07:30:210
32708999231,20cyclictest595687-21apt-get11:05:110
32708999231,20cyclictest450105-21diskmemload11:03:320
32708999230,3cyclictest414578-21grep08:35:200
32708999230,22cyclictest641026-21taskset11:40:110
32708999230,21cyclictest716854-21munin-run12:39:590
32708999230,21cyclictest403573-21cut08:25:010
32708999230,20cyclictest450105-21diskmemload10:55:100
327099992221,1cyclictest50-21ksoftirqd/311:49:533
327099992219,2cyclictest0-21swapper/312:00:123
327099992218,2cyclictest368403-21sed07:50:153
32709999221,20cyclictest450105-21diskmemload10:30:573
32709999221,20cyclictest450105-21diskmemload09:37:053
32709999221,20cyclictest0-21swapper/312:22:003
32709999220,2cyclictest0-21swapper/307:45:143
32709999220,21cyclictest672450-21ssh12:05:093
32709999220,21cyclictest525387-21rm10:08:253
32709999220,21cyclictest50-21ksoftirqd/310:35:133
32709999220,21cyclictest50-21ksoftirqd/308:55:133
32709999220,21cyclictest50-21ksoftirqd/308:55:133
32709999220,20cyclictest403543-21gpgv08:25:003
327096992219,2cyclictest450105-21diskmemload10:34:552
327096992219,2cyclictest0-21swapper/211:25:152
327096992218,2cyclictest367626-21cron07:50:002
32709699221,20cyclictest0-21swapper/211:15:572
32709699220,3cyclictest614975-21ssh11:20:102
32709699220,3cyclictest429237-21awk08:50:002
32709699220,2cyclictest653647-21ssh11:50:132
32709699220,2cyclictest574598-21ssh10:45:212
32709699220,2cyclictest450105-21diskmemload12:17:472
32709699220,2cyclictest373008-21apt-get07:55:092
32709699220,21cyclictest536944-21ntpq10:15:212
32709699220,20cyclictest710908-21cpuspeed_turbos12:35:132
32709699220,20cyclictest587119-21ntpq10:55:212
32709699220,20cyclictest450105-21diskmemload12:10:272
32709699220,20cyclictest0-21swapper/211:05:072
32709699220,19cyclictest0-21swapper/212:25:092
327094992220,1cyclictest450105-21diskmemload09:48:551
327094992219,2cyclictest450105-21diskmemload09:43:391
327094992219,2cyclictest0-21swapper/110:50:211
327094992219,1cyclictest0-21swapper/110:20:121
327094992218,3cyclictest524553-21ssh10:05:411
327094992218,2cyclictest0-21swapper/111:35:111
32709499221,2cyclictest530751-21users10:10:281
32709499221,2cyclictest450105-21diskmemload12:39:461
32709499221,2cyclictest450105-21diskmemload12:08:571
32709499221,20cyclictest450105-21diskmemload11:08:361
32709499221,20cyclictest450105-21diskmemload10:57:421
32709499221,20cyclictest450105-21diskmemload09:56:131
32709499221,20cyclictest450105-21diskmemload09:22:041
32709499221,1cyclictest450105-21diskmemload12:24:561
32709499221,1cyclictest0-21swapper/109:18:191
32709499221,1cyclictest0-21swapper/108:15:151
32709499220,3cyclictest665643-21sh11:59:081
32709499220,3cyclictest507083-21/usr/sbin/munin09:55:001
32709499220,21cyclictest684453-21sh12:13:541
32709499220,21cyclictest64-21kcompactd011:42:171
32709499220,20cyclictest561361-21ssh10:35:181
32709499220,20cyclictest0-21swapper/107:20:111
32709499220,19cyclictest450105-21diskmemload11:50:041
32709499220,19cyclictest450105-21diskmemload10:25:011
32709499220,19cyclictest0-21swapper/112:30:041
327089992219,2cyclictest539185-21apt-get10:20:110
327089992219,2cyclictest450105-21diskmemload12:01:070
327089992219,2cyclictest0-21swapper/011:16:170
327089992219,1cyclictest558009-21apt-get10:35:120
327089992218,3cyclictest450105-21diskmemload10:42:110
327089992218,2cyclictest450105-21diskmemload12:27:020
32708999221,20cyclictest628549-21diskstats11:30:170
32708999221,20cyclictest570603-21apt-get10:45:120
32708999221,20cyclictest450105-21diskmemload11:53:120
32708999221,20cyclictest450105-21diskmemload10:04:190
32708999221,20cyclictest450105-21diskmemload09:30:390
32708999221,20cyclictest450105-21diskmemload09:25:300
32708999220,2cyclictest551750-21apt-get10:30:120
32708999220,21cyclictest488110-21/usr/sbin/munin09:40:140
32708999220,20cyclictest450105-21diskmemload10:28:070
32708999220,20cyclictest0-21swapper/010:05:110
32708999220,20cyclictest0-21swapper/007:40:120
327099992119,1cyclictest64-21kcompactd007:38:343
327099992119,1cyclictest513610-21ssh10:00:123
327099992118,2cyclictest64-21kcompactd008:36:053
327099992118,2cyclictest0-21swapper/308:15:163
327099992118,2cyclictest0-21swapper/307:10:133
32709999210,20cyclictest64-21kcompactd007:59:323
32709999210,20cyclictest50-21ksoftirqd/311:30:463
32709999210,20cyclictest0-21swapper/309:05:103
32709999210,20cyclictest0-21swapper/308:53:493
32709999210,20cyclictest0-21swapper/307:15:153
327096992119,1cyclictest0-21swapper/210:00:292
327096992118,2cyclictest64-21kcompactd008:08:082
327096992117,3cyclictest403274-21dpkg08:24:592
32709699210,2cyclictest64-21kcompactd007:17:042
32709699210,20cyclictest691823-21ssh12:20:032
32709699210,20cyclictest0-21swapper/209:25:362
32709699210,1cyclictest434382-21apt-config08:55:002
32709699210,1cyclictest0-21swapper/208:59:452
32709699210,1cyclictest0-21swapper/208:59:442
32709699210,1cyclictest0-21swapper/207:10:122
327094992119,1cyclictest450105-21diskmemload10:15:161
327094992119,1cyclictest0-21swapper/109:35:191
327094992119,1cyclictest0-21swapper/108:25:091
327094992117,3cyclictest332889-21irqcore07:15:191
327094992117,2cyclictest327303-21apt-get07:10:121
32709499211,1cyclictest0-21swapper/112:00:011
32709499210,2cyclictest699207-21kthreadcore12:25:151
32709499210,2cyclictest450105-21diskmemload11:15:281
32709499210,20cyclictest450105-21diskmemload12:17:241
32709499210,1cyclictest602028-21ssh11:10:101
32709499210,1cyclictest0-21swapper/108:00:121
327089992119,1cyclictest0-21swapper/009:00:500
327089992119,1cyclictest0-21swapper/007:15:230
327089992118,2cyclictest362831-21apt-get07:45:140
327089992118,1cyclictest337484-21apt-get07:20:120
32708999210,2cyclictest607356-21ssh11:12:580
32708999210,2cyclictest450105-21diskmemload10:50:320
32708999210,2cyclictest0-21swapper/007:35:130
32708999210,20cyclictest64-21kcompactd008:06:000
32708999210,20cyclictest327801-21ps07:10:160
32708999210,20cyclictest0-21swapper/008:55:130
32708999210,20cyclictest0-21swapper/008:55:120
32708999210,20cyclictest0-21swapper/007:52:330
327099992018,1cyclictest0-21swapper/307:30:133
327099992018,1cyclictest0-21swapper/307:25:113
32709999200,19cyclictest64-21kcompactd008:13:303
327096992018,1cyclictest361715-21ntpq07:40:212
32709699200,19cyclictest0-21swapper/207:22:262
327094992018,1cyclictest0-21swapper/108:25:011
327094992018,1cyclictest0-21swapper/107:42:191
327094992017,1cyclictest0-21swapper/107:35:111
32709499200,1cyclictest0-21swapper/108:35:011
32709499200,1cyclictest0-21swapper/107:55:461
32709499200,1cyclictest0-21swapper/107:50:111
327089992018,1cyclictest0-21swapper/008:45:120
327089992018,1cyclictest0-21swapper/007:55:090
32708999200,19cyclictest0-21swapper/007:10:000
327094991918,1cyclictest0-21swapper/107:26:121
32709499190,1cyclictest0-21swapper/107:32:081
327089991917,1cyclictest0-21swapper/009:06:110
327089991915,2cyclictest409003-21apt-get08:30:110
327096991814,2cyclictest347640-21apt-get07:30:122
327094991816,1cyclictest0-21swapper/108:49:001
327094991815,2cyclictest435037-21apt-get08:55:131
327094991815,2cyclictest435037-21apt-get08:55:121
327089991816,1cyclictest0-21swapper/007:28:210
327099991711,4cyclictest383212-21sshd08:05:113
32709699171,14cyclictest393094-21turbostat.cron08:14:592
327096991614,1cyclictest0-21swapper/207:25:402
327096991613,2cyclictest367908-21apt-get07:50:112
327094991612,2cyclictest429491-21apt-get08:50:141
327094991610,3cyclictest388292-21taskset08:10:121
327099991512,2cyclictest0-21swapper/307:20:103
32709699138,3cyclictest0-21swapper/208:30:212
32709999127,1cyclictest191rcu_preempt07:10:003
32709699128,3cyclictest444601-21unixbench_singl09:00:242
32709499127,4cyclictest366736-21ntpq07:45:221
32709699111,9cyclictest327007-21latency_hist07:10:002
3270949990,8cyclictest327222-21cat07:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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