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2026-05-09 - 15:13
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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 rackbslot6.osadl.org (updated Sat May 09, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151121760,3sleep0649499cyclictest10:32:250
2773521740,4sleep3650999cyclictest13:12:193
3192321620,5sleep0649499cyclictest12:42:290
3192321620,5sleep0649499cyclictest12:42:290
2875521610,4sleep3650999cyclictest13:46:443
397521530,4sleep3650999cyclictest13:53:073
1505021500,4sleep3650999cyclictest12:58:343
1068911200,3ptp4l401ktimersoftd/308:28:133
203262850,1sleep10-21swapper/111:57:301
106891750,1ptp4l401ktimersoftd/313:38:433
106891720,1ptp4l401ktimersoftd/313:07:073
106891700,1ptp4l401ktimersoftd/309:59:233
106891690,1ptp4l401ktimersoftd/311:40:553
233142680,5sleep2650399cyclictest10:12:162
106891680,1ptp4l401ktimersoftd/312:35:593
106891660,11ptp4l401ktimersoftd/311:54:483
115242620,4sleep0649499cyclictest12:55:540
162972610,3sleep016274-21idleruntime-cro11:22:000
106891600,1ptp4l401ktimersoftd/313:51:003
106891590,1ptp4l401ktimersoftd/311:08:273
6509995746,5cyclictest41-21ksoftirqd/312:07:113
106891570,1ptp4l401ktimersoftd/310:49:413
106891540,1ptp4l401ktimersoftd/312:29:573
106891530,1ptp4l401ktimersoftd/313:17:453
317992520,3sleep031760-21ssh11:37:130
106891520,1ptp4l401ktimersoftd/312:17:403
62302514,36sleep00-21swapper/008:29:480
79192500,2sleep10-21swapper/113:24:581
650399507,7cyclictest33-21ksoftirqd/210:02:122
650399503,8cyclictest10430-21dpkg09:46:582
6503995019,8cyclictest33-21ksoftirqd/210:32:282
63522505,34sleep20-21swapper/208:31:242
650399487,7cyclictest33-21ksoftirqd/211:57:142
650399483,7cyclictest33-21ksoftirqd/211:47:362
650399482,9cyclictest321ktimersoftd/213:37:032
650399473,8cyclictest321ktimersoftd/212:32:232
650399471,7cyclictest13488-21timerwakeupswit11:17:292
106891470,1ptp4l401ktimersoftd/310:23:533
6509994634,5cyclictest41-21ksoftirqd/312:42:133
6509994634,5cyclictest41-21ksoftirqd/312:42:133
650399469,8cyclictest33-21ksoftirqd/213:10:042
650399467,7cyclictest33-21ksoftirqd/212:55:262
650399467,6cyclictest33-21ksoftirqd/213:44:242
650399463,8cyclictest321ktimersoftd/212:22:162
6503994622,9cyclictest33-21ksoftirqd/211:02:172
6503994610,7cyclictest33-21ksoftirqd/211:37:472
650399457,7cyclictest33-21ksoftirqd/212:40:292
650399454,6cyclictest33-21ksoftirqd/210:52:552
650399454,6cyclictest33-21ksoftirqd/210:52:552
6503994515,9cyclictest33-21ksoftirqd/210:27:292
650399448,5cyclictest33-21ksoftirqd/208:49:322
650399444,8cyclictest321ktimersoftd/209:32:092
650399444,6cyclictest321ktimersoftd/212:47:212
650399443,9cyclictest321ktimersoftd/209:37:122
6503994421,9cyclictest33-21ksoftirqd/209:27:142
650399433,8cyclictest33-21ksoftirqd/210:17:112
6503994320,8cyclictest33-21ksoftirqd/211:22:012
6503994320,20cyclictest33-21ksoftirqd/208:37:152
6503994320,10cyclictest33-21ksoftirqd/213:12:192
6503994310,5cyclictest33-21ksoftirqd/210:24:062
6509994231,5cyclictest41-21ksoftirqd/309:17:093
650399426,5cyclictest33-21ksoftirqd/209:13:202
650399426,5cyclictest33-21ksoftirqd/209:13:202
650399420,8cyclictest32065-21/usr/sbin/munin13:17:222
650399418,5cyclictest33-21ksoftirqd/209:18:422
650399414,6cyclictest33-21ksoftirqd/213:37:362
650399413,7cyclictest33-21ksoftirqd/213:24:192
650399413,7cyclictest321ktimersoftd/210:47:222
6503994137,2cyclictest311rcuc/210:40:402
6503994121,9cyclictest33-21ksoftirqd/212:13:192
6503994119,9cyclictest33-21ksoftirqd/208:42:172
650399410,7cyclictest321ktimersoftd/211:52:222
650399404,6cyclictest321ktimersoftd/211:32:192
650399403,6cyclictest33-21ksoftirqd/212:58:292
650399403,6cyclictest33-21ksoftirqd/211:12:372
6503994036,2cyclictest311rcuc/213:06:342
650399403,5cyclictest0-21swapper/212:45:102
650399403,5cyclictest0-21swapper/212:45:102
650399403,5cyclictest0-21swapper/211:01:282
650399402,7cyclictest33-21ksoftirqd/210:43:162
6503993934,3cyclictest311rcuc/209:47:122
6503993921,9cyclictest33-21ksoftirqd/212:17:222
650399390,7cyclictest321ktimersoftd/213:57:232
106891390,1ptp4l401ktimersoftd/312:40:593
106891390,1ptp4l401ktimersoftd/312:13:253
650399386,7cyclictest33-21ksoftirqd/212:27:152
650399384,7cyclictest33-21ksoftirqd/212:07:402
650399383,6cyclictest33-21ksoftirqd/211:27:332
6503993834,2cyclictest311rcuc/212:04:402
636823817,11sleep125-21ksoftirqd/108:31:351
106891380,1ptp4l401ktimersoftd/313:25:183
106891380,1ptp4l401ktimersoftd/310:39:503
106891380,1ptp4l401ktimersoftd/309:52:233
650399375,5cyclictest33-21ksoftirqd/211:07:192
650399374,8cyclictest0-21swapper/209:02:122
6503993733,2cyclictest311rcuc/213:55:052
6503993733,2cyclictest311rcuc/209:10:302
6503993733,2cyclictest311rcuc/209:10:302
6503993717,9cyclictest33-21ksoftirqd/208:52:162
6499993722,4cyclictest25-21ksoftirqd/112:42:171
6499993722,4cyclictest25-21ksoftirqd/112:42:171
106891370,1ptp4l401ktimersoftd/313:57:433
106891370,1ptp4l401ktimersoftd/313:34:573
106891370,1ptp4l401ktimersoftd/313:03:503
106891370,1ptp4l401ktimersoftd/312:22:303
106891370,1ptp4l401ktimersoftd/311:44:023
106891370,1ptp4l401ktimersoftd/311:36:043
106891370,1ptp4l401ktimersoftd/311:23:053
106891370,1ptp4l401ktimersoftd/310:54:543
106891370,1ptp4l401ktimersoftd/310:54:543
106891370,1ptp4l401ktimersoftd/310:42:273
106891370,1ptp4l401ktimersoftd/310:35:043
106891370,0ptp4l401ktimersoftd/311:00:543
650399364,6cyclictest33-21ksoftirqd/211:46:242
650399363,6cyclictest33-21ksoftirqd/213:28:052
6503993632,2cyclictest311rcuc/208:32:132
6503993631,3cyclictest311rcuc/210:08:002
108942360,2sleep10-21swapper/114:01:361
106891360,1ptp4l401ktimersoftd/312:51:463
106891360,1ptp4l401ktimersoftd/311:58:533
106891360,1ptp4l401ktimersoftd/311:28:233
106891360,1ptp4l401ktimersoftd/310:13:473
106891360,0ptp4l401ktimersoftd/309:07:433
106891360,0ptp4l401ktimersoftd/309:07:433
650399356,7cyclictest33-21ksoftirqd/213:50:432
6503993515,9cyclictest33-21ksoftirqd/208:57:102
243252350,2sleep10-21swapper/113:42:081
106891350,1ptp4l401ktimersoftd/311:19:203
106891350,10ptp4l401ktimersoftd/309:29:533
650399345,7cyclictest33-21ksoftirqd/209:22:092
6503993329,2cyclictest311rcuc/210:01:222
106891330,1ptp4l401ktimersoftd/311:50:293
6509993227,3cyclictest41-21ksoftirqd/311:17:003
6509993227,3cyclictest41-21ksoftirqd/311:02:293
6509993225,4cyclictest41-21ksoftirqd/310:07:113
650399324,7cyclictest33-21ksoftirqd/209:52:212
6494993227,3cyclictest9-21ksoftirqd/009:41:570
106891320,1ptp4l401ktimersoftd/313:30:353
106891320,1ptp4l401ktimersoftd/310:03:593
106891320,1ptp4l401ktimersoftd/308:58:263
6509993126,3cyclictest41-21ksoftirqd/309:42:163
6509993125,3cyclictest41-21ksoftirqd/309:32:143
6509993118,6cyclictest41-21ksoftirqd/309:37:103
106891310,1ptp4l401ktimersoftd/312:54:013
106891310,1ptp4l401ktimersoftd/310:19:143
106891310,1ptp4l401ktimersoftd/309:05:333
106891300,0ptp4l401ktimersoftd/308:38:373
6509992924,3cyclictest41-21ksoftirqd/308:52:133
6509992923,3cyclictest41-21ksoftirqd/310:27:133
6509992923,3cyclictest41-21ksoftirqd/308:46:563
106891290,0ptp4l401ktimersoftd/309:15:493
106891290,0ptp4l401ktimersoftd/309:15:493
6509992823,3cyclictest41-21ksoftirqd/312:02:283
6509992822,3cyclictest41-21ksoftirqd/309:26:573
6494992823,3cyclictest9-21ksoftirqd/012:32:130
649499281,2cyclictest121rcu_preempt13:49:360
6509992723,3cyclictest41-21ksoftirqd/308:32:143
6509992721,3cyclictest41-21ksoftirqd/309:47:173
6499992721,4cyclictest25-21ksoftirqd/113:07:131
6499992721,3cyclictest25-21ksoftirqd/109:47:141
6499992720,4cyclictest25-21ksoftirqd/109:38:261
6494992722,3cyclictest9-21ksoftirqd/013:42:030
6499992620,3cyclictest25-21ksoftirqd/110:04:261
6499992619,4cyclictest25-21ksoftirqd/109:01:091
6494992621,3cyclictest9-21ksoftirqd/011:09:350
6494992620,3cyclictest9-21ksoftirqd/011:47:180
6494992620,3cyclictest9-21ksoftirqd/009:04:360
6494992611,4cyclictest17596-21sh10:01:580
6509992520,3cyclictest41-21ksoftirqd/308:47:243
6499992520,3cyclictest25-21ksoftirqd/111:46:581
6499992519,4cyclictest25-21ksoftirqd/110:57:131
6499992519,3cyclictest25-21ksoftirqd/109:36:561
6499992518,4cyclictest23114-21tail10:12:141
649499252,6cyclictest25992-21snmp_o5powerctl10:57:240
6494992519,3cyclictest9-21ksoftirqd/012:57:550
6494992519,3cyclictest9-21ksoftirqd/010:26:580
6494992519,3cyclictest9-21ksoftirqd/009:17:090
6494992518,4cyclictest9-21ksoftirqd/010:20:090
6494992518,4cyclictest9-21ksoftirqd/009:45:160
6494992518,4cyclictest9-21ksoftirqd/008:51:440
302202250,4sleep1649999cyclictest13:14:261
6499992419,3cyclictest25-21ksoftirqd/113:27:051
6499992419,3cyclictest25-21ksoftirqd/111:16:541
6499992417,4cyclictest25-21ksoftirqd/109:03:101
649999241,11cyclictest100482sh08:37:101
649499244,3cyclictest121rcu_preempt14:01:370
6494992418,3cyclictest9-21ksoftirqd/009:28:020
6494992417,4cyclictest9-21ksoftirqd/009:01:160
6494992413,4cyclictest1055-21runrttasks12:02:060
649499241,12cyclictest323882cut09:22:190
213912240,1sleep00-21swapper/011:58:530
649999232,3cyclictest121rcu_preempt11:55:151
6499992318,3cyclictest25-21ksoftirqd/113:47:181
6499992318,3cyclictest25-21ksoftirqd/111:32:211
6499992318,3cyclictest25-21ksoftirqd/111:17:071
6499992317,4cyclictest25-21ksoftirqd/111:49:481
6499992317,3cyclictest25-21ksoftirqd/110:21:071
6499992317,3cyclictest21142-21awk12:32:171
6499992316,4cyclictest25-21ksoftirqd/110:08:501
6499992316,4cyclictest25-21ksoftirqd/109:53:401
6494992317,3cyclictest9-21ksoftirqd/008:53:210
6494992317,3cyclictest9-21ksoftirqd/008:42:500
6494992316,4cyclictest14588-21ssh13:32:130
280992230,19sleep128107-21rm12:38:541
91982220,18sleep00-21swapper/010:41:340
649999222,15cyclictest7722-21apt-get12:52:141
6499992217,3cyclictest29014-21grep10:22:281
6499992217,3cyclictest25-21ksoftirqd/111:22:011
6499992216,3cyclictest32285-21grep13:17:161
6499992216,3cyclictest25-21ksoftirqd/108:42:531
6499992215,4cyclictest6855-21cpuspeed_turbos08:32:091
6499992215,4cyclictest25-21ksoftirqd/110:00:301
6499992215,4cyclictest25-21ksoftirqd/108:53:381
6494992217,3cyclictest9-21ksoftirqd/011:22:090
6494992216,3cyclictest9-21ksoftirqd/010:14:310
6494992216,3cyclictest9-21ksoftirqd/010:09:050
6494992216,3cyclictest9-21ksoftirqd/010:05:120
6494992215,4cyclictest12136-21grep09:47:220
649499220,3cyclictest121rcu_preempt12:38:070
649999211,6cyclictest19921-21sh12:31:381
6499992116,3cyclictest25-21ksoftirqd/113:56:381
6499992116,3cyclictest25-21ksoftirqd/110:45:271
6499992116,3cyclictest1861-21head10:32:281
6499992115,4cyclictest25-21ksoftirqd/113:00:371
6499992115,3cyclictest25-21ksoftirqd/110:47:271
6499992115,3cyclictest25-21ksoftirqd/110:31:151
6499992115,3cyclictest25-21ksoftirqd/108:47:371
6499992115,3cyclictest19450-21/usr/sbin/munin13:37:311
6499992114,4cyclictest770-21sh11:05:411
6499992114,4cyclictest30121-21cat12:07:281
6499992114,4cyclictest26578-21sshd12:04:231
6499992114,4cyclictest25-21ksoftirqd/109:43:121
649999211,17cyclictest20176-21ssh13:03:581
649999210,9cyclictest61192ssh11:11:261
6494992116,3cyclictest9-21ksoftirqd/013:12:240
6494992116,3cyclictest9-21ksoftirqd/012:27:010
6494992116,3cyclictest9-21ksoftirqd/011:27:290
6494992115,4cyclictest27652-21irqstats11:32:210
6494992115,4cyclictest25301-21cut13:42:180
6494992115,3cyclictest9-21ksoftirqd/009:33:510
6494992115,3cyclictest9-21ksoftirqd/009:07:070
6494992115,3cyclictest9-21ksoftirqd/009:07:070
6494992115,3cyclictest9-21ksoftirqd/008:38:170
6494992114,4cyclictest9-21ksoftirqd/009:55:160
312092210,17sleep00-21swapper/012:08:580
6499992015,3cyclictest25-21ksoftirqd/111:37:271
6499992014,3cyclictest4882-21/usr/sbin/munin10:37:271
6499992014,3cyclictest29393-21cat09:17:161
6499992014,3cyclictest15975-21rt-features13:32:251
6499992013,4cyclictest32053-21diskmemload10:54:391
6499992013,4cyclictest32053-21diskmemload10:54:391
6499992013,4cyclictest25716-21uptime09:07:251
6499992013,4cyclictest25716-21uptime09:07:251
649999201,16cyclictest10759-21acpi12:22:121
649499205,3cyclictest121rcu_preempt11:14:490
6494992015,3cyclictest9-21ksoftirqd/012:47:150
6494992015,3cyclictest9-21ksoftirqd/011:44:560
6494992015,3cyclictest9-21ksoftirqd/010:52:140
6494992015,3cyclictest9-21ksoftirqd/010:52:140
6494992015,3cyclictest9-21ksoftirqd/010:31:580
6494992014,4cyclictest9717-21bc13:27:140
6494992014,3cyclictest9-21ksoftirqd/009:12:040
6494992014,3cyclictest9-21ksoftirqd/009:12:040
6494992014,3cyclictest1055-21runrttasks13:24:230
6494992014,3cyclictest101ktimersoftd/013:52:390
6494992013,4cyclictest32053-21diskmemload13:05:260
6494992013,4cyclictest1055-21runrttasks11:52:260
649499201,16cyclictest0-21swapper/012:29:010
224362200,3sleep0111rcuc/013:07:150
6499991914,3cyclictest25-21ksoftirqd/109:27:171
6499991914,3cyclictest25-21ksoftirqd/109:22:031
6499991914,3cyclictest22776-21latency11:27:191
6499991913,3cyclictest25-21ksoftirqd/109:12:461
6499991913,3cyclictest25-21ksoftirqd/109:12:461
6499991913,3cyclictest1606-21cat12:12:171
6499991911,5cyclictest10356-21cron12:22:001
649499199,5cyclictest6858-21cpuspeed_turbos08:32:090
6494991914,3cyclictest9-21ksoftirqd/010:47:470
6494991913,3cyclictest29551-21cpuspeed_turbos11:02:130
6494991913,3cyclictest1242-21sh12:12:140
649499190,6cyclictest6248-21fschecks_time12:17:160
6499991812,3cyclictest3944-21needreboot12:47:221
6494991812,3cyclictest32519-21fschecks_time13:17:180
6494991811,4cyclictest9801-21/usr/sbin/munin10:42:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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