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2026-04-25 - 12:36
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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 Sat Apr 25, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911210,9ptp4l27924-21kworker/3:120:20:103
106891700,1ptp4l401ktimersoftd/322:35:563
270382640,7sleep2321ktimersoftd/200:26:332
285242610,1sleep00-21swapper/000:29:000
8492600,2sleep2845-21ssh00:34:002
314522600,2sleep10-21swapper/100:30:501
106891590,1ptp4l401ktimersoftd/322:58:033
267992560,1sleep10-21swapper/101:34:011
106891560,1ptp4l401ktimersoftd/300:25:053
200202540,1sleep30-21swapper/300:19:193
242432530,2sleep10-21swapper/123:50:061
9545995213,4cyclictest41-21ksoftirqd/323:14:153
9528995243,5cyclictest25-21ksoftirqd/122:29:091
9528995243,5cyclictest25-21ksoftirqd/122:29:091
92942524,36sleep20-21swapper/220:22:272
108382510,5sleep341-21ksoftirqd/300:44:043
107792510,2sleep20-21swapper/200:09:272
64942500,2sleep30-21swapper/322:26:463
9545994933,3cyclictest41-21ksoftirqd/322:29:093
9545994933,3cyclictest41-21ksoftirqd/322:29:093
187622490,1sleep30-21swapper/323:12:433
9521994819,7cyclictest9-21ksoftirqd/000:19:130
9545994734,6cyclictest41-21ksoftirqd/323:04:113
9521994723,8cyclictest9-21ksoftirqd/023:39:220
106891460,1ptp4l401ktimersoftd/300:50:533
91162454,30sleep10-21swapper/120:20:081
106891450,1ptp4l401ktimersoftd/301:36:253
106891440,1ptp4l401ktimersoftd/301:08:133
106891440,1ptp4l401ktimersoftd/300:40:293
9521994319,8cyclictest9-21ksoftirqd/022:31:070
9521994319,8cyclictest9-21ksoftirqd/022:31:070
9521994225,7cyclictest9-21ksoftirqd/022:58:580
9521994222,7cyclictest9-21ksoftirqd/023:24:140
106891420,0ptp4l401ktimersoftd/322:15:343
9532994121,8cyclictest33-21ksoftirqd/200:24:002
9528994119,10cyclictest25-21ksoftirqd/123:48:591
9521994121,9cyclictest9-21ksoftirqd/001:14:180
9545994033,4cyclictest41-21ksoftirqd/323:49:113
9532994031,4cyclictest33-21ksoftirqd/201:29:152
9521994021,7cyclictest9-21ksoftirqd/000:04:280
9545993922,4cyclictest41-21ksoftirqd/300:03:243
9532993919,9cyclictest33-21ksoftirqd/223:01:552
9528993910,3cyclictest25-21ksoftirqd/122:59:211
9521993921,7cyclictest9-21ksoftirqd/000:44:100
9521993920,5cyclictest9-21ksoftirqd/022:09:200
9521993918,6cyclictest9-21ksoftirqd/000:49:160
28772390,3sleep3233-21systemd-journal22:23:563
106891390,1ptp4l401ktimersoftd/322:59:293
9545993831,4cyclictest41-21ksoftirqd/321:34:063
9545993830,4cyclictest41-21ksoftirqd/322:09:103
9532993814,8cyclictest33-21ksoftirqd/223:54:132
9521993821,5cyclictest9-21ksoftirqd/000:14:180
9521993820,7cyclictest9-21ksoftirqd/022:38:570
9521993819,9cyclictest9-21ksoftirqd/020:59:240
9521993819,8cyclictest9-21ksoftirqd/022:14:130
106891380,2ptp4l27924-21kworker/3:120:23:563
106891380,1ptp4l401ktimersoftd/323:37:523
106891380,1ptp4l401ktimersoftd/322:51:593
106891380,1ptp4l401ktimersoftd/301:33:293
106891380,1ptp4l401ktimersoftd/300:59:073
9545993729,4cyclictest41-21ksoftirqd/321:14:073
9532993719,8cyclictest33-21ksoftirqd/201:00:022
9532993718,10cyclictest33-21ksoftirqd/200:59:012
9528993721,4cyclictest25-21ksoftirqd/123:14:251
106891370,1ptp4l401ktimersoftd/323:54:213
106891370,1ptp4l401ktimersoftd/323:39:363
106891370,1ptp4l401ktimersoftd/323:31:253
106891370,1ptp4l401ktimersoftd/323:26:153
106891370,1ptp4l401ktimersoftd/322:39:273
106891370,1ptp4l401ktimersoftd/301:46:543
106891370,1ptp4l401ktimersoftd/301:40:323
106891370,1ptp4l401ktimersoftd/301:21:533
106891370,1ptp4l401ktimersoftd/301:18:573
106891370,1ptp4l401ktimersoftd/300:55:023
106891370,1ptp4l401ktimersoftd/300:36:333
106891370,1ptp4l401ktimersoftd/300:17:463
106891370,1ptp4l401ktimersoftd/300:10:043
106891370,1ptp4l401ktimersoftd/300:05:113
9545993623,10cyclictest41-21ksoftirqd/301:49:243
9545993619,9cyclictest41-21ksoftirqd/321:04:123
9532993618,9cyclictest33-21ksoftirqd/201:49:182
9532993618,8cyclictest33-21ksoftirqd/220:29:172
9532993616,5cyclictest33-21ksoftirqd/200:34:192
9528993628,4cyclictest25-21ksoftirqd/123:19:101
9521993617,8cyclictest9-21ksoftirqd/000:39:010
9521993617,7cyclictest9-21ksoftirqd/000:01:260
106891360,1ptp4l401ktimersoftd/323:44:023
106891360,1ptp4l401ktimersoftd/300:30:393
106891360,0ptp4l401ktimersoftd/322:04:433
106891360,0ptp4l401ktimersoftd/322:00:133
106891360,0ptp4l401ktimersoftd/301:12:233
953299353,5cyclictest33-21ksoftirqd/200:14:192
9532993517,8cyclictest33-21ksoftirqd/222:49:162
9532993517,8cyclictest33-21ksoftirqd/221:16:322
9532993516,9cyclictest33-21ksoftirqd/221:52:372
9532993515,9cyclictest33-21ksoftirqd/221:27:522
9528993530,3cyclictest25-21ksoftirqd/100:24:041
9528993528,3cyclictest25-21ksoftirqd/123:09:101
9528993517,9cyclictest25-21ksoftirqd/122:34:181
9521993517,7cyclictest9-21ksoftirqd/020:29:130
9521993510,4cyclictest9-21ksoftirqd/022:44:150
106891350,1ptp4l401ktimersoftd/321:28:513
106891350,0ptp4l401ktimersoftd/320:32:573
9532993423,5cyclictest33-21ksoftirqd/201:04:132
9532993421,7cyclictest33-21ksoftirqd/222:14:092
9532993419,7cyclictest33-21ksoftirqd/222:24:232
9532993415,8cyclictest33-21ksoftirqd/221:20:042
9532993414,9cyclictest33-21ksoftirqd/221:09:112
9532993411,8cyclictest33-21ksoftirqd/221:36:592
952899343,3cyclictest121rcu_preempt22:19:261
9528993428,3cyclictest25-21ksoftirqd/122:49:111
9528993427,4cyclictest25-21ksoftirqd/100:09:101
9521993425,4cyclictest9-21ksoftirqd/001:24:130
9521993418,7cyclictest9-21ksoftirqd/023:09:170
9521993418,7cyclictest9-21ksoftirqd/001:29:270
9521993417,4cyclictest9-21ksoftirqd/001:04:140
9521993416,7cyclictest9-21ksoftirqd/000:39:150
9532993320,4cyclictest33-21ksoftirqd/222:57:472
9532993313,9cyclictest33-21ksoftirqd/222:39:202
9532993313,9cyclictest33-21ksoftirqd/201:14:292
952899333,3cyclictest121rcu_preempt00:24:001
9528993326,4cyclictest25-21ksoftirqd/123:54:111
9528993318,4cyclictest25-21ksoftirqd/101:49:191
952199334,3cyclictest121rcu_preempt20:28:540
9521993318,5cyclictest9-21ksoftirqd/022:24:100
9521993314,7cyclictest9-21ksoftirqd/023:08:580
9521993314,7cyclictest9-21ksoftirqd/023:03:580
9521993314,7cyclictest9-21ksoftirqd/001:39:010
9521993311,9cyclictest9-21ksoftirqd/023:38:590
106891330,1ptp4l401ktimersoftd/323:20:213
106891330,11ptp4l401ktimersoftd/321:41:203
9532993221,6cyclictest33-21ksoftirqd/223:29:112
9532993215,8cyclictest33-21ksoftirqd/223:52:002
9532993215,8cyclictest33-21ksoftirqd/220:34:282
9532993214,8cyclictest33-21ksoftirqd/201:36:202
9532993214,4cyclictest33-21ksoftirqd/223:04:172
9532993211,9cyclictest33-21ksoftirqd/220:28:542
9532993211,8cyclictest33-21ksoftirqd/201:39:312
9528993221,8cyclictest25-21ksoftirqd/120:48:541
9528993221,8cyclictest25-21ksoftirqd/120:48:541
9521993227,3cyclictest9-21ksoftirqd/023:53:590
9521993227,3cyclictest9-21ksoftirqd/023:33:590
9521993227,3cyclictest9-21ksoftirqd/022:53:580
9521993222,6cyclictest9-21ksoftirqd/001:39:140
9521993219,4cyclictest9-21ksoftirqd/023:47:110
9521993214,7cyclictest9-21ksoftirqd/023:54:130
9521993214,7cyclictest9-21ksoftirqd/021:49:160
9521993214,5cyclictest9-21ksoftirqd/020:39:180
9521993210,7cyclictest9-21ksoftirqd/021:24:120
106891320,11ptp4l401ktimersoftd/321:56:523
9532993115,7cyclictest33-21ksoftirqd/223:35:172
9532993114,8cyclictest33-21ksoftirqd/222:37:592
9532993113,9cyclictest33-21ksoftirqd/222:44:162
9532993113,8cyclictest33-21ksoftirqd/223:59:182
9532993113,8cyclictest33-21ksoftirqd/201:24:122
9532993112,9cyclictest33-21ksoftirqd/223:18:592
9532993112,8cyclictest33-21ksoftirqd/223:09:272
9528993119,10cyclictest25-21ksoftirqd/120:54:081
952899311,3cyclictest121rcu_preempt01:00:021
9528993113,9cyclictest25-21ksoftirqd/121:54:131
9521993113,7cyclictest9-21ksoftirqd/023:23:590
9521993113,4cyclictest9-21ksoftirqd/020:53:560
181692310,2sleep3391rcuc/301:24:193
9545993025,3cyclictest41-21ksoftirqd/321:03:553
9532993024,3cyclictest33-21ksoftirqd/222:29:242
9532993024,3cyclictest33-21ksoftirqd/222:29:242
9532993024,3cyclictest33-21ksoftirqd/201:14:012
9532993021,6cyclictest33-21ksoftirqd/223:44:162
9532993013,6cyclictest33-21ksoftirqd/200:42:002
9532993012,9cyclictest33-21ksoftirqd/222:02:522
9532993012,5cyclictest33-21ksoftirqd/201:21:572
9532993011,9cyclictest33-21ksoftirqd/221:56:182
9528993024,3cyclictest25-21ksoftirqd/120:24:061
9528993024,3cyclictest25-21ksoftirqd/100:59:011
9528993023,4cyclictest25-21ksoftirqd/122:54:211
952899301,3cyclictest121rcu_preempt20:59:091
9528993013,9cyclictest25-21ksoftirqd/101:14:091
9528993013,9cyclictest25-21ksoftirqd/101:11:401
9528993012,4cyclictest25-21ksoftirqd/123:04:171
952199307,10cyclictest9-21ksoftirqd/021:04:080
9521993024,3cyclictest9-21ksoftirqd/000:09:210
9521993014,5cyclictest9-21ksoftirqd/001:44:190
9521993012,7cyclictest9-21ksoftirqd/022:39:110
9521993010,4cyclictest9-21ksoftirqd/023:14:170
952199300,2cyclictest121rcu_preempt20:23:540
106891300,1ptp4l401ktimersoftd/320:41:593
106891300,0ptp4l401ktimersoftd/320:53:033
106891300,0ptp4l401ktimersoftd/320:53:033
9532992923,3cyclictest33-21ksoftirqd/223:18:592
9532992923,3cyclictest33-21ksoftirqd/200:09:002
9532992922,3cyclictest33-21ksoftirqd/200:44:212
9532992914,5cyclictest33-21ksoftirqd/221:43:562
952899293,3cyclictest121rcu_preempt21:49:131
9528992925,3cyclictest25-21ksoftirqd/101:09:011
9528992924,3cyclictest25-21ksoftirqd/121:19:001
9528992924,3cyclictest25-21ksoftirqd/120:33:541
9528992923,4cyclictest25-21ksoftirqd/121:14:111
9528992923,4cyclictest25-21ksoftirqd/100:39:171
9528992923,3cyclictest25-21ksoftirqd/123:24:101
9528992923,3cyclictest25-21ksoftirqd/101:44:021
9528992923,3cyclictest25-21ksoftirqd/100:14:181
9528992913,8cyclictest25-21ksoftirqd/121:44:161
9528992913,4cyclictest25-21ksoftirqd/120:34:061
9528992913,4cyclictest25-21ksoftirqd/100:02:401
9528992912,9cyclictest25-21ksoftirqd/122:27:301
9521992924,3cyclictest9-21ksoftirqd/000:29:200
9521992923,3cyclictest9-21ksoftirqd/001:54:020
9521992923,3cyclictest9-21ksoftirqd/001:19:200
9521992913,5cyclictest9-21ksoftirqd/021:34:140
9521992913,5cyclictest9-21ksoftirqd/000:59:150
9521992912,7cyclictest9-21ksoftirqd/000:54:240
9521992911,8cyclictest9-21ksoftirqd/021:09:140
9521992911,4cyclictest9-21ksoftirqd/022:04:250
106891290,0ptp4l401ktimersoftd/321:53:023
9545992823,3cyclictest41-21ksoftirqd/322:44:173
9545992822,4cyclictest41-21ksoftirqd/320:44:223
9545992822,4cyclictest41-21ksoftirqd/320:44:223
9545992822,3cyclictest41-21ksoftirqd/321:29:263
9545992822,3cyclictest41-21ksoftirqd/320:54:243
9545992822,3cyclictest41-21ksoftirqd/320:34:083
9545992820,3cyclictest41-21ksoftirqd/321:19:123
9532992822,3cyclictest33-21ksoftirqd/221:33:562
9532992814,4cyclictest33-21ksoftirqd/222:23:572
9532992812,5cyclictest33-21ksoftirqd/223:28:272
9532992811,8cyclictest33-21ksoftirqd/201:44:052
9532992811,6cyclictest33-21ksoftirqd/200:49:202
9532992810,5cyclictest33-21ksoftirqd/220:54:082
9528992823,3cyclictest25-21ksoftirqd/123:33:591
9528992823,3cyclictest25-21ksoftirqd/122:44:151
9528992823,3cyclictest25-21ksoftirqd/121:08:551
9528992823,3cyclictest25-21ksoftirqd/101:34:151
9528992823,3cyclictest25-21ksoftirqd/101:19:131
9528992823,3cyclictest25-21ksoftirqd/100:08:591
9528992822,3cyclictest25-21ksoftirqd/123:34:271
9528992822,3cyclictest25-21ksoftirqd/120:43:551
9528992822,3cyclictest25-21ksoftirqd/101:24:171
9528992822,3cyclictest25-21ksoftirqd/100:44:151
9528992821,4cyclictest25-21ksoftirqd/101:44:021
9528992811,9cyclictest25-21ksoftirqd/122:04:181
952199288,9cyclictest9-21ksoftirqd/021:19:140
9521992822,3cyclictest9-21ksoftirqd/021:18:550
9521992822,3cyclictest9-21ksoftirqd/020:49:100
9521992822,3cyclictest9-21ksoftirqd/020:49:100
9521992812,5cyclictest9-21ksoftirqd/021:58:570
9521992812,5cyclictest9-21ksoftirqd/020:44:160
9521992812,5cyclictest9-21ksoftirqd/020:44:160
9545992712,4cyclictest41-21ksoftirqd/321:44:173
9532992722,3cyclictest33-21ksoftirqd/222:04:122
9532992720,4cyclictest33-21ksoftirqd/220:49:412
9532992720,4cyclictest33-21ksoftirqd/220:49:412
9532992712,5cyclictest33-21ksoftirqd/222:09:132
9532992711,6cyclictest33-21ksoftirqd/223:39:132
9532992711,4cyclictest33-21ksoftirqd/220:43:552
9532992710,9cyclictest33-21ksoftirqd/221:04:102
9528992722,3cyclictest25-21ksoftirqd/121:13:561
9528992722,3cyclictest25-21ksoftirqd/120:49:061
9528992722,3cyclictest25-21ksoftirqd/120:49:061
9528992722,3cyclictest25-21ksoftirqd/100:39:001
9528992722,2cyclictest25-21ksoftirqd/122:39:021
9528992721,4cyclictest25-21ksoftirqd/121:39:091
9528992721,3cyclictest25-21ksoftirqd/121:24:241
9528992721,3cyclictest25-21ksoftirqd/100:49:281
9521992722,3cyclictest9-21ksoftirqd/021:44:160
9521992722,3cyclictest9-21ksoftirqd/021:43:570
9521992721,3cyclictest9-21ksoftirqd/022:23:570
9521992721,3cyclictest9-21ksoftirqd/020:34:130
9521992711,6cyclictest9-21ksoftirqd/001:12:070
9545992620,3cyclictest41-21ksoftirqd/321:09:243
9532992621,3cyclictest33-21ksoftirqd/220:44:082
9532992621,3cyclictest33-21ksoftirqd/220:44:082
9532992619,4cyclictest33-21ksoftirqd/221:46:542
9528992621,3cyclictest25-21ksoftirqd/122:09:191
9528992621,3cyclictest25-21ksoftirqd/121:59:181
9528992620,3cyclictest25-21ksoftirqd/121:34:131
9528992620,3cyclictest25-21ksoftirqd/121:29:121
9528992619,4cyclictest25-21ksoftirqd/123:39:131
952199269,8cyclictest9-21ksoftirqd/021:29:240
9521992520,3cyclictest9-21ksoftirqd/021:59:090
9528992418,3cyclictest25-21ksoftirqd/122:14:191
9532992217,3cyclictest33-21ksoftirqd/221:03:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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