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2025-05-16 - 00:41
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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 792 highest latencies:
System rack2slot7.osadl.org (updated Thu May 15, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4158072996523,39cyclictest0-21swapper/011:26:250
415807299612,33cyclictest106545-21ntpq11:31:240
415807299555,34cyclictest1008-21mta-sts-daemon11:45:140
4158072994131,7cyclictest159980-21ssh12:36:260
4158072994131,7cyclictest159980-21ssh12:36:260
4158072993914,3cyclictest0-21swapper/012:41:240
4158072993814,4cyclictest0-21swapper/011:18:150
415807299373,13cyclictest0-21swapper/012:06:250
4158072993723,6cyclictest87670-21grep11:06:230
4158072993617,6cyclictest68067-21ntpq10:41:250
415807299341,19cyclictest0-21swapper/009:36:270
415807299323,22cyclictest0-21swapper/011:11:260
415807299321,3cyclictest6045-21tune2fs09:16:240
415807299321,22cyclictest34567-21/usr/sbin/munin09:56:350
415807299311,20cyclictest79002-21basename10:56:190
415807399301,6cyclictest171rcu_preempt11:26:251
415807299293,5cyclictest4175417-21fschecks_time08:06:220
415807399287,16cyclictest132136-21/usr/sbin/munin12:06:251
415807299280,26cyclictest0-21swapper/009:26:240
415807499274,5cyclictest11050irq/107-eth%d08:51:272
4158072992720,4cyclictest42330-21apt-get10:08:140
4158072992716,3cyclictest9929-21ntpq09:21:580
415807299271,18cyclictest0-21swapper/009:46:530
415807299260,20cyclictest0-21swapper/008:03:120
415807499254,17cyclictest146468-21awk12:21:262
415807299253,21cyclictest41536-21unixbench_multi10:06:300
415807299250,24cyclictest0-21swapper/010:51:250
415807399241,14cyclictest27454-21grep09:46:271
415807299242,17cyclictest0-21swapper/010:33:120
4158072992420,2cyclictest72522-21unixbench_singl10:46:340
4158072992419,4cyclictest110397-21ntpq11:36:310
4158072992418,2cyclictest31960-21http09:53:120
4158072992418,1cyclictest0-21swapper/009:39:060
415807299240,22cyclictest0-21swapper/011:51:190
415807299240,22cyclictest0-21swapper/011:51:190
415807499233,7cyclictest11050irq/107-eth%d12:33:142
415807499233,7cyclictest11050irq/107-eth%d12:33:142
4158073992314,7cyclictest0-21swapper/109:41:211
4158073992314,4cyclictest1007-21mta-sts-daemon09:56:261
415807299239,3cyclictest4166856-21/usr/sbin/munin07:41:240
415807299230,2cyclictest142506-21sed12:16:320
4158074992216,5cyclictest0-21swapper/207:38:122
415807299221,20cyclictest964-21idleruntime-cro09:03:120
415807299220,21cyclictest0-21swapper/008:56:250
415807499214,14cyclictest42940-21ssh10:08:152
4158074992116,4cyclictest109918-21cut11:36:272
4158074992116,4cyclictest1007-21mta-sts-daemon07:21:252
4158074992114,4cyclictest0-21swapper/212:06:242
415807399213,15cyclictest146467-21/usr/sbin/munin12:21:261
415807299211,8cyclictest85128-21cron11:03:120
415807299211,1cyclictest0-21swapper/010:23:130
415807299210,20cyclictest0-21swapper/012:31:080
415807299210,12cyclictest0-21swapper/010:36:200
112699210,1rtkit-daemon0-21swapper/108:09:581
4158074992016,3cyclictest4171521-21grep07:51:332
4158074992013,5cyclictest10383-21grep09:22:032
415807399203,13cyclictest4158025-21munin-run07:13:121
4158073992016,3cyclictest4212-21unixbench_singl09:11:401
4158072992020,0cyclictest0-21swapper/010:17:080
4158074991917,1cyclictest0-21swapper/212:26:352
4158074991914,4cyclictest24310-21grep09:41:322
4158074991913,4cyclictest4181777-21sendmail08:23:122
4158074991910,6cyclictest0-21swapper/209:31:272
415807399192,16cyclictest87802-21ntpq11:06:251
4158073991914,4cyclictest2243333-21munin-node09:35:121
415807399191,11cyclictest13326-21if_wlan009:26:221
415807399190,6cyclictest171rcu_preempt11:46:271
415807299193,10cyclictest11050irq/107-eth%d07:46:230
4158072991915,3cyclictest4161353-21munin-plugin-st07:23:120
415807299191,17cyclictest0-21swapper/008:11:240
415807299190,14cyclictest0-21swapper/012:21:210
415807499185,9cyclictest4187702-21/usr/sbin/munin08:41:312
415807499182,3cyclictest113518-21ssh11:41:212
4158074991815,2cyclictest34732-21unixbench_singl09:56:362
415807499181,10cyclictest117316-21fschecks_time11:46:212
415807399187,2cyclictest11050irq/107-eth%d12:16:321
415807399185,9cyclictest0-21swapper/110:51:301
415807399183,11cyclictest159990-21ntpq12:36:261
415807399183,11cyclictest159990-21ntpq12:36:261
415807399182,8cyclictest109538-21find11:36:171
415807399182,11cyclictest4179914-21sed08:18:121
415807399182,10cyclictest11050irq/107-eth%d10:08:151
415807299183,12cyclictest0-21swapper/011:56:200
415807299182,10cyclictest0-21swapper/010:01:340
415807299181,16cyclictest0-21swapper/012:01:250
415807299181,15cyclictest148006-21sendmail-msp12:23:360
415807499175,8cyclictest78870-21ssh10:56:062
415807499172,13cyclictest83619-21awk11:01:262
415807399179,6cyclictest0-21swapper/108:31:281
415807399172,13cyclictest4180370-21/usr/sbin/munin08:21:191
4158073991712,3cyclictest0-21swapper/112:43:111
4158073991710,5cyclictest0-21swapper/110:08:121
4158072991713,3cyclictest54366-21latency_hist10:23:130
415807599164,7cyclictest0-21swapper/310:46:253
415807599163,9cyclictest0-21swapper/311:26:253
415807599163,8cyclictest0-21swapper/312:21:263
415807599161,9cyclictest0-21swapper/312:31:183
415807499168,6cyclictest30267-21/usr/sbin/munin09:51:222
415807499167,7cyclictest104586-21ssh11:28:342
415807499166,9cyclictest0-21swapper/210:46:252
415807499164,2cyclictest11050irq/107-eth%d10:41:242
415807499163,1cyclictest171rcu_preempt11:08:112
415807499163,10cyclictest4169502-21/usr/sbin/munin07:46:262
415807499162,12cyclictest48340-21fschecks_time10:16:202
415807499162,11cyclictest4468-21latency_hist09:13:122
415807499162,11cyclictest26943-21fschecks_count09:46:232
415807499162,10cyclictest75381-21fschecks_count10:51:252
4158074991612,3cyclictest14143-21unixbench_multi09:26:312
4158074991612,3cyclictest0-21swapper/212:16:182
415807499161,11cyclictest4191884-21aten2.4-expect08:56:192
415807399164,9cyclictest4163184-21cat07:28:121
415807399163,3cyclictest11050irq/107-eth%d08:56:251
415807399162,7cyclictest11050irq/107-eth%d12:31:071
415807399162,13cyclictest5751-21head09:16:211
415807399162,11cyclictest71251-21aten_r2power_po10:46:201
415807399161,6cyclictest11050irq/107-eth%d12:27:541
4158073991613,2cyclictest4191539-21unixbench_multi08:51:401
4158073991613,2cyclictest0-21swapper/112:01:431
4158073991612,3cyclictest0-21swapper/108:46:191
4158073991611,4cyclictest0-21swapper/107:56:201
4158073991611,3cyclictest261rcuc/109:53:121
415807299164,10cyclictest1006-21mta-sts-daemon07:18:120
4158072991613,2cyclictest4183382-21grep08:26:310
4158072991611,4cyclictest4164370-21ntp_kernel_err07:31:250
415807299160,7cyclictest1005-21mta-sts-daemon11:14:150
415807299160,13cyclictest4181614-21grep08:21:350
112699160,5rtkit-daemon1006-21mta-sts-daemon07:11:302
112699160,3rtkit-daemon1125-21rtkit-daemon08:37:202
112699160,2rtkit-daemon1125-21rtkit-daemon07:32:071
415807599154,7cyclictest0-21swapper/311:01:233
415807599154,5cyclictest0-21swapper/310:01:343
415807599153,6cyclictest0-21swapper/311:46:273
415807499156,6cyclictest11050irq/107-eth%d11:56:242
415807499155,7cyclictest0-21swapper/207:26:192
415807499155,6cyclictest0-21swapper/207:41:272
415807499155,4cyclictest94929-21cut11:16:222
415807499153,4cyclictest0-21swapper/210:03:082
415807499152,8cyclictest128886-21tune2fs12:01:252
415807499152,2cyclictest11050irq/107-eth%d12:11:202
415807499152,10cyclictest52260-21grep10:21:222
415807499152,10cyclictest121196-21/usr/sbin/munin11:51:202
415807499152,10cyclictest121196-21/usr/sbin/munin11:51:202
4158074991512,2cyclictest154366-21grep12:31:202
4158074991512,2cyclictest0-21swapper/209:06:192
415807499151,12cyclictest56669-21/usr/sbin/munin10:26:312
415807499151,11cyclictest111788-21systemd-journal08:28:112
415807399159,5cyclictest4193896-21gltestperf09:01:211
415807399159,5cyclictest0-21swapper/110:36:201
415807399153,7cyclictest11050irq/107-eth%d11:18:151
415807399152,9cyclictest4168264-21munin-plugin-st07:43:111
415807399152,10cyclictest94932-21fschecks_time11:16:221
415807399152,10cyclictest121922-21/usr/sbin/munin11:51:271
415807399152,10cyclictest121922-21/usr/sbin/munin11:51:271
415807399151,11cyclictest16430-21fschecks_time09:31:201
4158073991510,4cyclictest0-21swapper/107:51:201
415807399150,1cyclictest11050irq/107-eth%d07:36:191
415807299152,8cyclictest4187222-21cut08:41:280
415807299152,7cyclictest3209-21grep09:11:300
415807299150,9cyclictest4178354-21/usr/sbin/munin08:16:320
415807599144,6cyclictest0-21swapper/309:31:223
415807599144,5cyclictest0-21swapper/312:06:253
415807599143,6cyclictest0-21swapper/312:26:443
415807599142,8cyclictest0-21swapper/312:33:143
415807599142,8cyclictest0-21swapper/312:33:143
415807599142,7cyclictest0-21swapper/311:06:253
415807599142,7cyclictest0-21swapper/310:56:303
415807599142,5cyclictest0-21swapper/312:38:353
415807499145,7cyclictest102580-21/usr/sbin/munin11:26:232
415807499145,4cyclictest0-21swapper/211:21:192
415807499143,9cyclictest4183646-21/usr/sbin/munin08:31:352
415807499143,8cyclictest4176057-21/usr/sbin/munin08:06:282
415807499143,8cyclictest40494-21fschecks_time10:06:202
415807499141,9cyclictest4159847-21grep07:18:122
4158074991410,2cyclictest0-21swapper/211:11:262
415807499140,11cyclictest4173557-21aten2.4-expect08:01:192
415807399146,5cyclictest111788-21systemd-journal07:18:111
415807399146,4cyclictest0-21swapper/109:21:531
415807399145,6cyclictest113816-21/usr/sbin/munin11:41:231
415807399144,8cyclictest67300-21aten_r2power_po10:41:191
415807399144,6cyclictest84205-21ssh11:01:341
415807399142,9cyclictest49087-21ssh10:16:301
415807399142,8cyclictest38559-21sh10:03:121
415807399142,3cyclictest11050irq/107-eth%d10:31:231
415807399142,10cyclictest4187410-21/usr/sbin/munin08:41:291
415807399141,9cyclictest52718-21/usr/sbin/munin10:21:261
415807399140,10cyclictest125073-21fschecks_time11:56:221
415807299148,5cyclictest0-21swapper/007:26:270
415807299148,3cyclictest114738-21ssh11:41:430
415807299146,7cyclictest4184433-21ntpq08:31:280
415807299143,7cyclictest11050irq/107-eth%d09:31:240
415807299141,8cyclictest136667-21aten_r2power_en12:11:190
415807299141,11cyclictest4172461-21cat07:56:220
415807299141,10cyclictest1601-21fschecks_time09:06:210
4158072991410,3cyclictest4190996-21ntp_kernel_err08:51:260
415807599133,6cyclictest0-21swapper/312:11:243
415807599133,6cyclictest0-21swapper/307:56:193
415807599133,5cyclictest0-21swapper/307:46:233
415807599132,6cyclictest0-21swapper/307:28:113
415807599132,5cyclictest0-21swapper/310:08:143
415807599132,5cyclictest0-21swapper/309:51:223
415807599131,7cyclictest0-21swapper/307:36:353
415807499135,5cyclictest0-21swapper/208:46:192
415807499133,5cyclictest4179285-21/usr/sbin/munin08:16:272
415807499132,9cyclictest4177271-21if_wlan008:11:242
415807499132,7cyclictest63981-21needreboot10:36:232
4158074991310,2cyclictest1006-21mta-sts-daemon10:32:312
415807399139,3cyclictest0-21swapper/108:06:221
415807399133,8cyclictest4182018-21/usr/sbin/munin08:26:171
415807399133,8cyclictest0-21swapper/110:26:331
415807399132,9cyclictest136738-21/usr/sbin/munin12:11:201
415807399131,10cyclictest92060-21ssh11:11:321
415807299132,9cyclictest4185615-21fschecks_time08:36:190
415807299130,10cyclictest4170435-21fschecks_count07:51:230
415807599126,4cyclictest0-21swapper/308:46:293
415807599125,4cyclictest0-21swapper/311:53:163
415807599125,4cyclictest0-21swapper/309:36:253
415807599124,4cyclictest0-21swapper/311:41:273
415807599124,3cyclictest0-21swapper/308:01:273
415807599123,5cyclictest0-21swapper/309:23:143
415807599123,5cyclictest0-21swapper/309:01:193
415807599123,5cyclictest0-21swapper/308:06:233
415807599122,6cyclictest0-21swapper/312:16:243
415807599122,6cyclictest0-21swapper/307:51:293
415807599122,5cyclictest0-21swapper/308:51:273
415807599122,5cyclictest0-21swapper/308:36:223
415807599122,4cyclictest0-21swapper/311:13:253
415807499125,6cyclictest164025-21aten_r2power_fr12:41:182
415807499125,5cyclictest19720-21aten_r2power_en09:36:182
415807499122,8cyclictest4163593-21/usr/sbin/munin07:31:192
415807499122,7cyclictest5997-21ssh09:16:232
415807499120,10cyclictest4172071-21fschecks_count07:56:202
415807399123,5cyclictest106382-21/usr/sbin/munin11:31:231
415807399122,8cyclictest79556-21if_wlan010:56:231
415807399122,7cyclictest4185611-21fschecks_count08:36:191
415807399121,8cyclictest1340-21tail09:06:191
415807399121,5cyclictest4168684-21head07:46:191
415807399120,9cyclictest4160012-21aten_r2power_en07:21:201
415807299121,8cyclictest4165303-21/usr/sbin/munin07:36:280
415807299121,7cyclictest4188865-21fschecks_count08:46:210
415807599114,5cyclictest0-21swapper/309:46:273
415807599114,5cyclictest0-21swapper/309:06:273
415807599114,4cyclictest0-21swapper/311:21:253
415807599114,4cyclictest0-21swapper/310:16:243
415807599114,4cyclictest0-21swapper/310:06:303
415807599113,6cyclictest0-21swapper/310:26:233
415807599113,4cyclictest0-21swapper/309:21:543
415807599113,3cyclictest0-21swapper/311:28:343
415807599112,6cyclictest0-21swapper/310:51:303
415807599112,6cyclictest0-21swapper/310:30:293
415807599112,6cyclictest0-21swapper/307:31:233
415807599112,5cyclictest0-21swapper/308:18:123
415807599112,4cyclictest0-21swapper/307:41:193
415807599112,4cyclictest0-21swapper/307:16:163
415807599111,6cyclictest0-21swapper/308:11:203
415807599111,5cyclictest0-21swapper/311:51:203
415807599111,5cyclictest0-21swapper/311:51:203
415807599111,5cyclictest0-21swapper/309:39:193
415807599111,5cyclictest0-21swapper/309:16:233
415807599111,5cyclictest0-21swapper/308:41:293
415807499115,4cyclictest0-21swapper/209:01:192
415807399111,8cyclictest4173818-21grep08:01:211
415807599103,5cyclictest0-21swapper/312:01:273
415807599103,5cyclictest0-21swapper/308:31:223
415807599103,3cyclictest0-21swapper/307:21:203
415807599103,2cyclictest0-21swapper/309:53:133
415807599102,6cyclictest0-21swapper/310:36:203
415807599101,5cyclictest0-21swapper/311:11:243
415807599101,4cyclictest0-21swapper/308:21:243
415807299101,7cyclictest4158085-21unin-run07:13:120
41580759993,4cyclictest0-21swapper/310:21:193
41580759993,4cyclictest0-21swapper/308:56:193
41580759993,4cyclictest0-21swapper/308:26:173
41580759993,3cyclictest0-21swapper/309:11:283
41580759992,5cyclictest0-21swapper/311:36:263
41580759992,2cyclictest0-21swapper/310:39:273
41580759973,2cyclictest0-21swapper/307:13:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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