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2026-04-21 - 03:53
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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 rackbslot6.osadl.org (updated Tue Apr 21, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2534521620,3sleep22974399cyclictest00:35:322
2592521350,3sleep12973999cyclictest01:42:081
1068911180,8ptp4l11468-21kworker/3:120:17:093
1068911180,8ptp4l11468-21kworker/3:120:17:093
223492930,2sleep00-21swapper/021:11:590
277332790,2sleep20-21swapper/200:04:282
223682720,4sleep02973299cyclictest01:38:010
223682720,4sleep02973299cyclictest01:38:010
284772694,10sleep20-21swapper/220:17:032
284772694,10sleep20-21swapper/220:17:032
106891690,1ptp4l401ktimersoftd/320:30:583
106891690,1ptp4l401ktimersoftd/300:15:193
294442684,10sleep00-21swapper/020:19:150
294442684,10sleep00-21swapper/020:19:150
157422670,3sleep02973299cyclictest23:52:060
157422670,3sleep02973299cyclictest23:52:060
282052660,2sleep20-21swapper/201:12:012
106891660,1ptp4l401ktimersoftd/323:16:583
275812630,2sleep10-21swapper/101:11:441
29732996253,5cyclictest9-21ksoftirqd/022:26:580
153612620,2sleep20-21swapper/223:52:042
153612620,2sleep20-21swapper/223:52:042
75202610,4sleep07525-21sh22:37:140
162392610,1sleep30-21swapper/300:58:543
182742580,2sleep00-21swapper/001:34:240
106891550,1ptp4l401ktimersoftd/321:24:233
210742540,2sleep00-21swapper/023:24:360
106891540,1ptp4l401ktimersoftd/300:34:263
2893125333,8sleep10-21swapper/120:17:101
2893125333,8sleep10-21swapper/120:17:101
165892530,1sleep20-21swapper/201:32:132
29732995018,6cyclictest9-21ksoftirqd/020:22:010
106891500,1ptp4l401ktimersoftd/301:19:183
29732994941,3cyclictest9-21ksoftirqd/001:42:010
29732994823,4cyclictest9-21ksoftirqd/000:34:410
106891480,14ptp4l11468-21kworker/3:123:59:153
29732994622,4cyclictest9-21ksoftirqd/022:48:480
29732994622,4cyclictest9-21ksoftirqd/000:16:570
29732994622,3cyclictest9-21ksoftirqd/022:52:530
29732994610,4cyclictest9-21ksoftirqd/001:17:100
2974399454,4cyclictest33-21ksoftirqd/201:11:472
2973299457,3cyclictest9-21ksoftirqd/001:02:070
29732994532,3cyclictest9-21ksoftirqd/022:22:000
29732994528,6cyclictest9-21ksoftirqd/000:26:590
29732994521,4cyclictest9-21ksoftirqd/023:40:280
29732994520,4cyclictest9-21ksoftirqd/023:59:410
29732994520,4cyclictest9-21ksoftirqd/023:50:380
29732994520,4cyclictest9-21ksoftirqd/000:49:010
29732994520,4cyclictest9-21ksoftirqd/000:46:070
206172450,2sleep20-21swapper/200:30:462
140942450,1sleep20-21swapper/201:30:362
106891450,2ptp4l11468-21kworker/3:120:22:153
2973999441,3cyclictest121rcu_preempt01:47:021
29732994420,4cyclictest9-21ksoftirqd/022:11:590
29732994418,7cyclictest9-21ksoftirqd/022:56:470
29732994415,5cyclictest9-21ksoftirqd/023:27:050
29732994413,7cyclictest9-21ksoftirqd/022:42:070
29732994338,3cyclictest9-21ksoftirqd/021:26:480
29732994330,3cyclictest9-21ksoftirqd/023:02:120
29732994329,3cyclictest9-21ksoftirqd/023:43:120
29732994321,7cyclictest9-21ksoftirqd/001:12:040
29732994320,6cyclictest9-21ksoftirqd/000:22:050
29732994320,4cyclictest9-21ksoftirqd/021:02:120
29732994320,4cyclictest9-21ksoftirqd/000:15:360
29732994318,4cyclictest9-21ksoftirqd/023:12:190
29732994318,4cyclictest9-21ksoftirqd/000:02:380
106891430,1ptp4l401ktimersoftd/321:17:333
106891430,1ptp4l401ktimersoftd/300:04:573
106891430,13ptp4l11468-21kworker/3:122:36:553
29743994232,4cyclictest33-21ksoftirqd/223:11:572
2973299427,4cyclictest9-21ksoftirqd/021:56:590
29732994236,3cyclictest9-21ksoftirqd/023:16:500
29732994236,3cyclictest9-21ksoftirqd/000:06:510
29732994218,4cyclictest9-21ksoftirqd/023:09:550
29732994218,4cyclictest9-21ksoftirqd/001:01:080
29732994218,3cyclictest9-21ksoftirqd/023:36:000
29752994130,5cyclictest41-21ksoftirqd/301:37:013
29752994130,5cyclictest41-21ksoftirqd/301:37:013
2974399412,5cyclictest33-21ksoftirqd/223:32:062
2973299416,4cyclictest27500-1kworker/0:0H21:26:440
29732994119,4cyclictest9-21ksoftirqd/021:36:540
29732994117,4cyclictest9-21ksoftirqd/000:51:530
29752994012,9cyclictest41-21ksoftirqd/300:26:593
2974399402,3cyclictest121rcu_preempt00:11:472
2974399402,10cyclictest33-21ksoftirqd/201:02:182
2973299406,6cyclictest9-21ksoftirqd/001:22:100
2973299405,3cyclictest9-21ksoftirqd/022:01:550
2973299405,3cyclictest9-21ksoftirqd/022:01:550
2973299404,3cyclictest9-21ksoftirqd/020:37:040
29732994016,4cyclictest9-21ksoftirqd/000:37:280
29732994013,5cyclictest9-21ksoftirqd/001:09:070
106891400,1ptp4l401ktimersoftd/301:32:053
2974399390,6cyclictest33-21ksoftirqd/200:51:002
2973299396,3cyclictest9-21ksoftirqd/021:46:570
2973299393,4cyclictest9-21ksoftirqd/021:01:430
2973299393,3cyclictest9-21ksoftirqd/020:27:010
29732993929,3cyclictest9-21ksoftirqd/022:32:270
2973299392,7cyclictest9-21ksoftirqd/001:27:130
29732993912,6cyclictest9-21ksoftirqd/001:47:090
106891390,1ptp4l401ktimersoftd/322:06:573
106891390,1ptp4l401ktimersoftd/322:06:573
106891390,1ptp4l401ktimersoftd/301:26:503
106891390,0ptp4l401ktimersoftd/323:52:003
106891390,0ptp4l401ktimersoftd/323:52:003
2974399383,3cyclictest33-21ksoftirqd/223:02:162
2974399383,3cyclictest121rcu_preempt00:54:372
2974399381,3cyclictest121rcu_preempt22:22:022
2974399381,14cyclictest121rcu_preempt21:02:132
2973299386,7cyclictest9-21ksoftirqd/022:06:580
2973299386,7cyclictest9-21ksoftirqd/022:06:580
29732993832,3cyclictest9-21ksoftirqd/021:06:550
106891380,1ptp4l401ktimersoftd/323:38:003
106891380,1ptp4l401ktimersoftd/322:50:033
106891380,1ptp4l401ktimersoftd/322:28:093
106891380,1ptp4l401ktimersoftd/322:24:563
106891380,1ptp4l401ktimersoftd/301:25:053
106891380,1ptp4l401ktimersoftd/301:05:503
106891380,1ptp4l401ktimersoftd/300:47:263
106891380,1ptp4l401ktimersoftd/300:40:023
106891380,1ptp4l401ktimersoftd/300:17:083
106891380,0ptp4l401ktimersoftd/323:03:193
2973299376,7cyclictest9-21ksoftirqd/021:32:000
2973299376,3cyclictest4451-21cut21:42:020
2973299371,6cyclictest9-21ksoftirqd/020:52:110
106891370,1ptp4l401ktimersoftd/323:43:453
106891370,1ptp4l401ktimersoftd/323:23:183
106891370,1ptp4l401ktimersoftd/323:13:543
106891370,1ptp4l401ktimersoftd/323:09:273
106891370,1ptp4l401ktimersoftd/322:55:103
106891370,1ptp4l401ktimersoftd/322:45:133
106891370,1ptp4l401ktimersoftd/322:33:503
106891370,1ptp4l401ktimersoftd/301:48:123
106891370,1ptp4l401ktimersoftd/301:15:053
106891370,1ptp4l401ktimersoftd/300:45:223
106891370,0ptp4l401ktimersoftd/301:08:023
29743993618,5cyclictest33-21ksoftirqd/223:22:072
2974399361,4cyclictest33-21ksoftirqd/223:41:032
2974399360,3cyclictest121rcu_preempt23:57:072
2974399360,3cyclictest121rcu_preempt01:37:112
2974399360,3cyclictest121rcu_preempt01:37:112
2973299364,6cyclictest9-21ksoftirqd/021:21:430
2973299364,3cyclictest9-21ksoftirqd/021:52:020
29732993630,3cyclictest9-21ksoftirqd/020:41:570
2973299360,8cyclictest22228-21ptp4l22:17:060
106891360,1ptp4l401ktimersoftd/323:49:543
106891360,1ptp4l401ktimersoftd/323:27:233
106891360,1ptp4l401ktimersoftd/323:01:253
106891360,1ptp4l401ktimersoftd/321:10:393
106891360,1ptp4l401ktimersoftd/301:42:073
106891360,1ptp4l401ktimersoftd/300:54:133
106891360,1ptp4l401ktimersoftd/300:11:293
2974399353,9cyclictest33-21ksoftirqd/222:42:042
2974399350,8cyclictest33-21ksoftirqd/223:17:032
29732993529,3cyclictest9-21ksoftirqd/020:36:420
2973299352,3cyclictest9-21ksoftirqd/020:47:020
106891350,2ptp4l11468-21kworker/3:122:15:363
106891350,2ptp4l11468-21kworker/3:121:03:423
106891350,1ptp4l401ktimersoftd/321:57:013
2974399345,8cyclictest33-21ksoftirqd/200:17:052
2974399344,6cyclictest33-21ksoftirqd/220:26:552
29743993427,4cyclictest33-21ksoftirqd/223:06:572
29743993427,4cyclictest33-21ksoftirqd/220:51:552
2974399336,5cyclictest33-21ksoftirqd/201:49:462
2974399334,4cyclictest121rcu_preempt21:56:592
29743993321,10cyclictest33-21ksoftirqd/222:52:062
29743993320,11cyclictest33-21ksoftirqd/221:51:432
2974399330,7cyclictest33-21ksoftirqd/223:51:462
106891330,1ptp4l401ktimersoftd/321:37:063
106891330,11ptp4l401ktimersoftd/320:35:223
29752993222,7cyclictest41-21ksoftirqd/320:51:423
2974399324,3cyclictest121rcu_preempt21:27:102
2974399323,4cyclictest121rcu_preempt23:27:052
29743993226,4cyclictest33-21ksoftirqd/201:22:102
29743993225,3cyclictest33-21ksoftirqd/221:21:432
106891320,1ptp4l401ktimersoftd/321:42:083
106891320,1ptp4l401ktimersoftd/321:27:323
106891320,10ptp4l401ktimersoftd/320:54:243
2974399314,4cyclictest33-21ksoftirqd/222:37:142
29743993126,3cyclictest33-21ksoftirqd/201:42:182
29743993125,4cyclictest33-21ksoftirqd/200:56:592
29743993124,3cyclictest33-21ksoftirqd/222:46:572
29743993118,11cyclictest33-21ksoftirqd/221:06:562
2974399311,3cyclictest121rcu_preempt22:06:442
29739993125,3cyclictest25-21ksoftirqd/100:31:471
106891310,1ptp4l401ktimersoftd/321:15:293
29752993025,3cyclictest41-21ksoftirqd/323:32:023
29743993025,3cyclictest33-21ksoftirqd/222:16:442
29743993025,3cyclictest33-21ksoftirqd/222:11:442
29743993025,3cyclictest33-21ksoftirqd/222:11:442
29743993025,3cyclictest33-21ksoftirqd/201:17:182
2974399302,4cyclictest33-21ksoftirqd/222:31:232
29743993024,3cyclictest33-21ksoftirqd/200:12:002
29739993024,3cyclictest25-21ksoftirqd/101:17:011
29739993020,5cyclictest25-21ksoftirqd/121:01:561
29739993018,9cyclictest5582-21expr20:36:561
29752992923,3cyclictest41-21ksoftirqd/320:41:553
2974399294,3cyclictest121rcu_preempt20:42:092
29743992924,3cyclictest33-21ksoftirqd/222:21:442
29743992923,3cyclictest33-21ksoftirqd/221:41:592
29743992923,3cyclictest33-21ksoftirqd/220:36:412
29743992922,4cyclictest33-21ksoftirqd/222:01:532
2974399291,3cyclictest121rcu_preempt21:41:432
29739992924,3cyclictest25-21ksoftirqd/101:41:481
29739992924,3cyclictest25-21ksoftirqd/101:41:481
29739992923,4cyclictest25-21ksoftirqd/122:27:041
106891290,7ptp4l401ktimersoftd/322:06:293
106891290,7ptp4l401ktimersoftd/322:06:293
29752992822,3cyclictest41-21ksoftirqd/321:52:013
2974399284,7cyclictest121rcu_preempt22:36:432
2974399284,3cyclictest121rcu_preempt22:57:142
2974399282,3cyclictest121rcu_preempt21:32:042
29743992823,3cyclictest33-21ksoftirqd/220:26:422
29743992822,3cyclictest33-21ksoftirqd/221:11:542
29743992822,3cyclictest33-21ksoftirqd/200:41:482
29752992722,3cyclictest41-21ksoftirqd/300:22:053
2974399272,3cyclictest121rcu_preempt20:36:542
29743992721,3cyclictest451-21timerandwakeup00:42:162
29743992721,3cyclictest33-21ksoftirqd/221:52:032
29743992721,3cyclictest33-21ksoftirqd/221:21:592
29743992721,3cyclictest33-21ksoftirqd/220:56:572
29739992722,3cyclictest25-21ksoftirqd/123:31:451
29739992722,3cyclictest25-21ksoftirqd/100:32:091
29739992721,3cyclictest25-21ksoftirqd/123:22:041
29739992720,4cyclictest25-21ksoftirqd/101:27:001
280592274,3sleep1121rcu_preempt01:12:011
242782270,2sleep10-21swapper/100:01:461
29752992612,4cyclictest41-21ksoftirqd/322:16:573
29752992610,4cyclictest41-21ksoftirqd/321:31:573
29743992621,3cyclictest33-21ksoftirqd/200:21:582
29743992620,3cyclictest33-21ksoftirqd/223:42:002
2973999266,9cyclictest25-21ksoftirqd/123:42:031
29739992622,3cyclictest25-21ksoftirqd/100:37:001
29739992621,3cyclictest25-21ksoftirqd/123:07:031
29739992621,3cyclictest25-21ksoftirqd/122:48:031
29739992621,3cyclictest25-21ksoftirqd/101:32:131
29739992620,3cyclictest25-21ksoftirqd/122:07:021
29739992620,3cyclictest25-21ksoftirqd/122:07:021
29739992620,3cyclictest25-21ksoftirqd/101:02:071
29739992619,5cyclictest25-21ksoftirqd/122:42:031
29739992619,4cyclictest25-21ksoftirqd/120:58:351
29752992520,3cyclictest41-21ksoftirqd/321:51:433
29752992520,3cyclictest41-21ksoftirqd/320:36:563
29739992520,3cyclictest25-21ksoftirqd/123:01:451
29739992520,3cyclictest25-21ksoftirqd/122:25:591
29739992520,3cyclictest25-21ksoftirqd/122:21:441
29739992520,3cyclictest25-21ksoftirqd/121:52:011
29739992519,3cyclictest25-21ksoftirqd/122:12:021
29739992518,4cyclictest25-21ksoftirqd/121:57:241
29739992518,4cyclictest1187-21uniq22:32:001
2973999250,23cyclictest0-21swapper/122:02:021
2973999250,23cyclictest0-21swapper/122:02:021
29743992418,3cyclictest33-21ksoftirqd/220:50:272
29739992419,3cyclictest25-21ksoftirqd/100:17:001
29739992417,4cyclictest25-21ksoftirqd/121:40:581
29739992417,4cyclictest25-21ksoftirqd/121:07:421
1678822417,3sleep125-21ksoftirqd/123:52:281
1678822417,3sleep125-21ksoftirqd/123:52:281
106891240,1ptp4l401ktimersoftd/320:56:533
29739992318,3cyclictest25-21ksoftirqd/120:23:091
29739992318,3cyclictest22562-21kworker/1:022:37:011
29739992317,3cyclictest25-21ksoftirqd/123:32:131
29739992317,3cyclictest25-21ksoftirqd/123:01:561
29739992317,3cyclictest25-21ksoftirqd/121:34:121
29739992317,3cyclictest25-21ksoftirqd/120:54:221
29739992317,3cyclictest25-21ksoftirqd/100:56:481
2973999223,11cyclictest23063-21diskmemload01:22:011
29739992217,3cyclictest25-21ksoftirqd/122:51:591
29739992217,3cyclictest25-21ksoftirqd/121:42:051
29739992217,3cyclictest25-21ksoftirqd/121:20:461
29739992217,3cyclictest25-21ksoftirqd/120:26:421
29739992217,3cyclictest25-21ksoftirqd/100:12:031
29739992216,4cyclictest25-21ksoftirqd/121:31:151
29739992216,3cyclictest9011-21sh23:12:061
29739992216,3cyclictest25-21ksoftirqd/121:49:151
29739992216,3cyclictest25-21ksoftirqd/120:47:001
29739992215,5cyclictest25-21ksoftirqd/100:47:071
29739992116,3cyclictest25-21ksoftirqd/100:06:471
29739992115,3cyclictest25-21ksoftirqd/121:22:011
29739992114,4cyclictest25-21ksoftirqd/121:16:091
2973999210,19cyclictest0-21swapper/100:57:501
2973999202,15cyclictest12414-21grep00:22:031
29739992015,3cyclictest25-21ksoftirqd/123:47:511
29739992015,3cyclictest25-21ksoftirqd/120:42:001
29739992014,4cyclictest25-21ksoftirqd/120:32:211
29739992014,3cyclictest625-21grep23:37:041
29739992013,4cyclictest13228-21sh23:17:001
2973999190,17cyclictest1615-21rm00:43:481
29739991813,3cyclictest25-21ksoftirqd/100:07:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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