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2026-09-17 - 10:35
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Thu Sep 17, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2782421810,4sleep1864399cyclictest01:48:501
757621790,5sleep3865699cyclictest23:49:203
1881121610,3sleep3865699cyclictest23:59:323
598421510,2sleep0863999cyclictest22:44:170
697121440,4sleep30-21swapper/321:39:183
258952730,2sleep10-21swapper/100:08:091
320872640,2sleep20-21swapper/201:19:242
176822590,1sleep00-21swapper/023:09:140
283492580,2sleep128353-21sed02:54:271
286932570,4sleep3865699cyclictest00:44:043
195372570,2sleep10-21swapper/101:06:511
106891570,1ptp4l401ktimersoftd/323:46:413
8656995648,4cyclictest41-21ksoftirqd/300:54:153
106891560,1ptp4l401ktimersoftd/302:37:143
27462550,1sleep20-21swapper/202:29:182
106891550,1ptp4l401ktimersoftd/302:57:243
106891550,1ptp4l401ktimersoftd/301:35:433
241542540,2sleep20-21swapper/202:17:382
106891540,1ptp4l401ktimersoftd/300:47:503
8656995345,4cyclictest41-21ksoftirqd/321:59:103
211432530,3sleep10-21swapper/102:14:241
244312520,1sleep30-21swapper/322:14:173
244312520,1sleep30-21swapper/322:14:173
88182510,2sleep00-21swapper/003:08:350
8656994941,4cyclictest41-21ksoftirqd/323:34:133
8656994828,3cyclictest41-21ksoftirqd/302:24:293
106891480,1ptp4l401ktimersoftd/301:16:033
8656994738,6cyclictest41-21ksoftirqd/301:04:163
8656994621,4cyclictest41-21ksoftirqd/300:14:253
8643994635,6cyclictest25-21ksoftirqd/100:39:151
106891460,1ptp4l401ktimersoftd/323:05:533
865699459,7cyclictest41-21ksoftirqd/302:09:303
865699458,4cyclictest41-21ksoftirqd/302:59:183
8656994539,3cyclictest41-21ksoftirqd/301:54:103
8656994539,3cyclictest41-21ksoftirqd/301:54:103
8656994519,4cyclictest41-21ksoftirqd/301:44:273
106891450,1ptp4l401ktimersoftd/300:29:013
8656994334,5cyclictest41-21ksoftirqd/300:29:153
8656994320,4cyclictest41-21ksoftirqd/321:49:143
8656994319,4cyclictest41-21ksoftirqd/303:08:353
106891430,1ptp4l401ktimersoftd/300:09:543
106891430,1ptp4l401ktimersoftd/300:09:543
865699414,8cyclictest41-21ksoftirqd/322:59:223
865699413,3cyclictest121rcu_preempt22:14:003
8656994133,5cyclictest41-21ksoftirqd/301:34:053
8656994126,3cyclictest41-21ksoftirqd/322:59:023
8656994118,4cyclictest41-21ksoftirqd/322:09:003
8656994118,4cyclictest41-21ksoftirqd/302:52:463
8656994117,4cyclictest41-21ksoftirqd/322:39:143
8643994125,8cyclictest25-21ksoftirqd/123:14:131
8656994028,3cyclictest41-21ksoftirqd/322:19:303
8656994026,11cyclictest41-21ksoftirqd/301:54:053
8656994026,11cyclictest41-21ksoftirqd/301:54:053
8656994017,4cyclictest41-21ksoftirqd/300:49:363
8656994011,9cyclictest41-21ksoftirqd/322:44:143
8656993932,3cyclictest41-21ksoftirqd/302:19:233
8656993931,4cyclictest41-21ksoftirqd/323:29:073
8656993917,4cyclictest41-21ksoftirqd/300:34:173
8656993915,4cyclictest41-21ksoftirqd/301:42:433
8656993915,4cyclictest41-21ksoftirqd/300:19:303
8656993913,4cyclictest41-21ksoftirqd/302:05:553
8656993910,7cyclictest41-21ksoftirqd/302:44:103
8656993910,7cyclictest41-21ksoftirqd/301:21:583
106891390,1ptp4l401ktimersoftd/302:14:393
106891390,1ptp4l401ktimersoftd/302:00:303
106891390,1ptp4l401ktimersoftd/300:06:323
8656993831,3cyclictest41-21ksoftirqd/300:59:163
8656993825,10cyclictest41-21ksoftirqd/323:29:033
8656993819,7cyclictest41-21ksoftirqd/303:09:203
147972380,1sleep00-21swapper/023:55:590
106891380,1ptp4l401ktimersoftd/301:25:243
8656993728,4cyclictest41-21ksoftirqd/302:29:173
8656993717,7cyclictest41-21ksoftirqd/323:09:303
8656993715,3cyclictest41-21ksoftirqd/322:34:233
8656993713,4cyclictest41-21ksoftirqd/301:09:173
106891370,1ptp4l401ktimersoftd/323:58:253
865699364,6cyclictest41-21ksoftirqd/323:19:213
865699364,3cyclictest121rcu_preempt02:44:073
865699362,8cyclictest41-21ksoftirqd/322:24:163
8656993613,4cyclictest41-21ksoftirqd/323:14:143
865699360,3cyclictest41-21ksoftirqd/321:54:213
8643993630,3cyclictest25-21ksoftirqd/121:53:591
8656993428,3cyclictest41-21ksoftirqd/321:44:193
865699342,7cyclictest41-21ksoftirqd/323:39:333
8643993420,7cyclictest25-21ksoftirqd/122:09:121
8656993327,3cyclictest41-21ksoftirqd/322:54:013
645323311,9sleep10-21swapper/121:39:121
8652993227,3cyclictest33-21ksoftirqd/202:43:592
8656993122,3cyclictest41-21ksoftirqd/322:29:213
8652993126,3cyclictest33-21ksoftirqd/221:53:592
865299311,3cyclictest121rcu_preempt01:47:362
8643993119,5cyclictest25-21ksoftirqd/102:04:161
76142316,11sleep00-21swapper/021:39:240
8652993024,3cyclictest33-21ksoftirqd/202:14:062
8652993024,3cyclictest33-21ksoftirqd/200:44:172
8639993013,10cyclictest26165-21ssh01:14:150
8652992924,3cyclictest33-21ksoftirqd/222:54:012
8652992923,3cyclictest33-21ksoftirqd/223:04:022
8652992923,3cyclictest33-21ksoftirqd/202:59:422
8643992923,3cyclictest25-21ksoftirqd/123:54:031
8639992924,3cyclictest9-21ksoftirqd/001:04:290
8639992923,3cyclictest9-21ksoftirqd/000:49:190
78412296,10sleep20-21swapper/221:39:302
166112290,2sleep00-21swapper/000:30:280
8652992823,3cyclictest33-21ksoftirqd/200:14:032
8652992823,3cyclictest33-21ksoftirqd/200:14:032
8652992822,3cyclictest33-21ksoftirqd/223:54:212
8652992821,4cyclictest33-21ksoftirqd/222:02:442
8652992817,9cyclictest33-21ksoftirqd/201:36:282
8643992823,3cyclictest25-21ksoftirqd/100:24:031
8643992822,3cyclictest25-21ksoftirqd/102:59:251
8643992821,3cyclictest25-21ksoftirqd/100:14:181
8643992818,6cyclictest241ktimersoftd/123:19:141
863999285,5cyclictest1055-21runrttasks02:47:170
8639992822,3cyclictest1760-21diskmemload02:13:400
8652992721,3cyclictest33-21ksoftirqd/223:19:162
8652992721,3cyclictest33-21ksoftirqd/201:34:052
8652992721,3cyclictest33-21ksoftirqd/200:49:272
8652992720,4cyclictest33-21ksoftirqd/202:08:512
8652992720,4cyclictest33-21ksoftirqd/201:09:242
865299271,6cyclictest0-21swapper/202:21:172
8643992722,3cyclictest25-21ksoftirqd/102:19:241
8643992721,3cyclictest25-21ksoftirqd/101:54:171
8643992721,3cyclictest25-21ksoftirqd/101:54:171
8643992721,3cyclictest25-21ksoftirqd/101:54:061
864399270,3cyclictest121rcu_preempt01:10:191
8652992621,3cyclictest33-21ksoftirqd/222:49:012
8652992621,3cyclictest33-21ksoftirqd/222:14:172
8652992621,3cyclictest33-21ksoftirqd/222:14:172
8652992621,3cyclictest33-21ksoftirqd/222:09:232
8652992620,3cyclictest33-21ksoftirqd/223:49:222
8652992620,3cyclictest33-21ksoftirqd/222:24:202
8652992620,3cyclictest33-21ksoftirqd/201:55:302
8652992620,3cyclictest33-21ksoftirqd/201:55:302
8652992619,4cyclictest33-21ksoftirqd/223:36:502
8652992619,4cyclictest29305-21irqrtprio01:49:252
8652992619,4cyclictest29305-21irqrtprio01:49:252
865299261,20cyclictest0-21swapper/202:34:192
8643992622,2cyclictest25-21ksoftirqd/100:54:201
8643992621,3cyclictest25-21ksoftirqd/102:09:181
8643992621,3cyclictest25-21ksoftirqd/101:54:061
8643992621,3cyclictest25-21ksoftirqd/100:34:031
8643992619,4cyclictest6280-21sh23:48:191
8643992619,4cyclictest25-21ksoftirqd/123:02:491
8639992619,4cyclictest9-21ksoftirqd/023:27:090
8652992520,3cyclictest33-21ksoftirqd/201:24:182
8652992519,4cyclictest33-21ksoftirqd/223:24:322
8652992519,3cyclictest33-21ksoftirqd/202:49:072
8652992519,3cyclictest33-21ksoftirqd/201:19:002
8652992519,3cyclictest33-21ksoftirqd/201:09:052
8652992519,3cyclictest33-21ksoftirqd/200:34:212
8643992520,3cyclictest25-21ksoftirqd/102:44:161
8643992520,3cyclictest25-21ksoftirqd/102:24:241
8643992520,3cyclictest25-21ksoftirqd/101:34:061
8643992519,4cyclictest25-21ksoftirqd/123:39:221
8643992519,3cyclictest25-21ksoftirqd/123:04:391
8643992519,3cyclictest25-21ksoftirqd/122:19:001
8643992519,3cyclictest25-21ksoftirqd/122:19:001
8643992519,3cyclictest25-21ksoftirqd/103:09:281
8643992519,3cyclictest25-21ksoftirqd/101:14:161
8643992518,4cyclictest25-21ksoftirqd/123:24:081
8643992516,6cyclictest25-21ksoftirqd/100:34:161
8639992520,3cyclictest9-21ksoftirqd/002:39:210
8639992520,3cyclictest9-21ksoftirqd/001:09:180
8639992518,4cyclictest9-21ksoftirqd/023:22:270
8639992518,4cyclictest9-21ksoftirqd/023:04:480
8652992419,3cyclictest33-21ksoftirqd/222:34:182
8652992419,3cyclictest33-21ksoftirqd/202:54:262
8652992419,3cyclictest33-21ksoftirqd/200:44:042
8652992418,3cyclictest33-21ksoftirqd/221:54:192
8652992418,3cyclictest33-21ksoftirqd/201:44:052
8652992418,3cyclictest33-21ksoftirqd/200:59:212
8652992417,4cyclictest33-21ksoftirqd/223:08:522
865299241,6cyclictest0-21swapper/200:22:402
8652992415,6cyclictest12542-21ssh00:26:562
865299241,10cyclictest121rcu_preempt02:03:012
8643992419,3cyclictest25-21ksoftirqd/122:24:181
8643992419,3cyclictest25-21ksoftirqd/122:09:001
8643992418,3cyclictest25-21ksoftirqd/123:09:191
8643992418,3cyclictest25-21ksoftirqd/122:49:321
8643992418,3cyclictest25-21ksoftirqd/121:59:001
8643992418,3cyclictest25-21ksoftirqd/101:39:221
8643992418,3cyclictest25-21ksoftirqd/101:24:231
8643992418,3cyclictest25-21ksoftirqd/100:24:141
8639992419,3cyclictest28274-21ssh00:43:320
8639992418,3cyclictest9-21ksoftirqd/023:31:100
8639992418,3cyclictest9-21ksoftirqd/023:16:170
8639992418,3cyclictest9-21ksoftirqd/001:59:010
8639992418,3cyclictest9-21ksoftirqd/001:59:010
8639992417,4cyclictest1250-21grep22:34:170
865299232,3cyclictest121rcu_preempt00:14:282
865299232,19cyclictest2596-21kworker/2:122:39:282
8652992318,3cyclictest33-21ksoftirqd/223:44:222
8652992317,4cyclictest33-21ksoftirqd/222:22:232
8652992317,3cyclictest33-21ksoftirqd/223:18:172
8652992317,3cyclictest33-21ksoftirqd/203:09:202
8652992316,4cyclictest33-21ksoftirqd/200:30:502
864399234,3cyclictest121rcu_preempt22:38:511
864399233,11cyclictest26864-21ssh00:09:151
864399233,11cyclictest26864-21ssh00:09:151
8643992318,3cyclictest25-21ksoftirqd/123:59:291
8643992317,3cyclictest25-21ksoftirqd/122:54:151
8643992317,3cyclictest25-21ksoftirqd/122:39:521
8643992316,4cyclictest25-21ksoftirqd/122:45:381
8643992316,4cyclictest25-21ksoftirqd/102:42:261
8643992314,5cyclictest9159-21switchtime02:34:341
863999233,12cyclictest19140-21ssh00:34:140
863999232,17cyclictest31226-21grep22:29:160
8639992317,3cyclictest9-21ksoftirqd/022:42:590
8639992317,3cyclictest9-21ksoftirqd/021:56:030
8639992317,3cyclictest9-21ksoftirqd/001:41:180
8639992316,4cyclictest9-21ksoftirqd/023:38:250
8652992217,3cyclictest33-21ksoftirqd/222:59:022
8652992217,3cyclictest33-21ksoftirqd/202:24:172
8652992216,3cyclictest33-21ksoftirqd/200:04:202
865299220,6cyclictest17522-21ssh23:59:192
8643992217,3cyclictest25-21ksoftirqd/123:29:331
8643992217,3cyclictest25-21ksoftirqd/102:29:241
8643992216,3cyclictest25-21ksoftirqd/122:00:231
8639992218,2cyclictest9-21ksoftirqd/003:10:500
8639992217,3cyclictest9-21ksoftirqd/002:32:260
8639992216,3cyclictest9-21ksoftirqd/022:56:330
8639992216,3cyclictest9-21ksoftirqd/022:28:390
8639992215,4cyclictest9-21ksoftirqd/021:50:410
8639992215,4cyclictest4036-21tr01:24:210
8639992215,4cyclictest30746-21cut02:24:220
8639992215,4cyclictest27273-21grep00:09:190
8639992215,4cyclictest27273-21grep00:09:190
8639992215,4cyclictest1760-21diskmemload23:51:050
8639992213,6cyclictest24433-21cat22:14:170
8639992213,6cyclictest24433-21cat22:14:170
865299218,10cyclictest19131-21cpuspeed_turbos22:04:132
8652992116,3cyclictest33-21ksoftirqd/223:39:222
8652992115,3cyclictest6308-21sh00:54:062
8652992115,3cyclictest33-21ksoftirqd/223:33:022
8652992114,4cyclictest24653-21sh02:50:142
865299210,18cyclictest9322-21head21:44:152
8643992116,3cyclictest25-21ksoftirqd/123:54:281
8643992116,3cyclictest25-21ksoftirqd/123:34:201
8643992116,3cyclictest25-21ksoftirqd/122:19:151
8643992116,3cyclictest25-21ksoftirqd/101:21:111
8643992116,3cyclictest25-21ksoftirqd/100:49:301
8643992115,3cyclictest25-21ksoftirqd/101:59:191
8643992115,3cyclictest25-21ksoftirqd/101:34:051
8643992115,3cyclictest1062-21ssh00:48:591
8643992114,4cyclictest8663-21sh03:08:191
8643992114,4cyclictest31488-21if_err_enp1s022:29:181
863999212,12cyclictest5899-21ssh01:59:170
8639992116,3cyclictest9-21ksoftirqd/022:03:140
8639992115,3cyclictest9655-21uptime22:49:330
8639992115,3cyclictest9-21ksoftirqd/021:48:410
8639992114,4cyclictest9001-21head01:29:230
8639992114,4cyclictest26436-21entropy22:19:160
8639992114,4cyclictest19990-21latency22:04:200
8639992114,4cyclictest1055-21runrttasks02:50:220
8639992113,4cyclictest18247-21latency_hist01:39:050
865299204,10cyclictest4672-21apt-get03:04:212
8652992014,4cyclictest33-21ksoftirqd/223:11:372
8652992013,4cyclictest32199-21mailstats22:29:232
8643992014,3cyclictest25-21ksoftirqd/121:48:501
8643992014,3cyclictest22762-21expr02:49:211
8643992013,4cyclictest11350-21acpi00:59:161
863999208,10cyclictest2187-21apt23:44:160
8639992014,3cyclictest9-21ksoftirqd/023:43:510
8639992014,3cyclictest9-21ksoftirqd/022:13:380
8639992014,3cyclictest9-21ksoftirqd/002:16:200
8639992014,3cyclictest32332-21phc2sys-jitter01:19:260
8639992014,3cyclictest14629-21uptime22:59:300
8639992014,3cyclictest11923-21sh00:25:520
8639992014,3cyclictest10386-21sh00:58:000
863999201,3cyclictest32486-21ssh01:53:340
863999201,3cyclictest32486-21ssh01:53:340
863999201,3cyclictest29002-21apt-get00:44:160
8639992013,4cyclictest7936-21sh00:22:280
8639992013,4cyclictest1760-21diskmemload02:54:290
8639992013,4cyclictest1760-21diskmemload02:37:550
8639992013,4cyclictest1354-21expr02:59:350
863999201,17cyclictest0-21swapper/000:17:200
8639991913,3cyclictest1760-21diskmemload02:19:150
8639991912,4cyclictest1760-21diskmemload00:04:050
8639991912,4cyclictest17186-21cstates23:59:160
863999190,2cyclictest0-21swapper/002:06:470
863999189,7cyclictest11811-21fschecks_time00:59:200
863999181,2cyclictest0-21swapper/001:44:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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