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2026-06-02 - 14:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackdslot2.osadl.org (updated Tue Jun 02, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304622209175,23sleep20-21swapper/219:08:172
139591206171,22phc2sys0-21swapper/319:05:453
302942204171,22sleep10-21swapper/119:06:101
302732203170,22sleep00-21swapper/019:05:530
1928721320,5sleep23089099cyclictest23:15:162
1395918463,11phc2sys0-21swapper/319:10:013
30891996131,8cyclictest41-21ksoftirqd/322:40:013
30891996027,8cyclictest41-21ksoftirqd/319:40:223
30891996025,6cyclictest41-21ksoftirqd/323:40:263
3089199595,7cyclictest25007-21idleruntime-cro00:35:013
30891995924,7cyclictest41-21ksoftirqd/300:25:263
30891995823,8cyclictest41-21ksoftirqd/322:00:223
30891995725,7cyclictest41-21ksoftirqd/319:25:013
30891995723,7cyclictest41-21ksoftirqd/321:10:003
303942570,2sleep20-21swapper/220:15:202
3089199554,8cyclictest41-21ksoftirqd/300:10:013
30891995520,7cyclictest41-21ksoftirqd/323:15:263
3089199543,6cyclictest41-21ksoftirqd/320:50:133
3089199543,5cyclictest41-21ksoftirqd/322:15:253
30890995422,7cyclictest33-21ksoftirqd/200:29:592
30890995418,4cyclictest33-21ksoftirqd/220:25:002
3089199532,7cyclictest41-21ksoftirqd/321:40:013
30891995324,7cyclictest41-21ksoftirqd/320:10:013
3089199530,8cyclictest41-21ksoftirqd/322:30:143
3089199525,8cyclictest41-21ksoftirqd/320:10:183
3089199524,7cyclictest41-21ksoftirqd/320:30:173
3089199520,6cyclictest41-21ksoftirqd/321:45:263
30890995218,4cyclictest33-21ksoftirqd/222:00:002
113612520,2sleep30-21swapper/321:50:163
3089199516,9cyclictest41-21ksoftirqd/322:25:233
3089199516,9cyclictest41-21ksoftirqd/319:45:173
3089199514,5cyclictest41-21ksoftirqd/320:55:173
3089199512,6cyclictest41-21ksoftirqd/319:35:193
3089199511,6cyclictest41-21ksoftirqd/322:40:223
3089199510,8cyclictest401ktimersoftd/320:15:263
30890995121,3cyclictest33-21ksoftirqd/219:20:002
30890995117,7cyclictest33-21ksoftirqd/220:00:002
30890995112,10cyclictest33-21ksoftirqd/220:40:002
298782510,2sleep20-21swapper/223:35:222
3089199505,9cyclictest41-21ksoftirqd/321:00:183
3089199505,8cyclictest41-21ksoftirqd/319:20:013
3089199504,8cyclictest41-21ksoftirqd/321:20:253
3089199503,8cyclictest41-21ksoftirqd/319:35:003
3089199503,8cyclictest41-21ksoftirqd/319:35:003
3089199503,7cyclictest41-21ksoftirqd/320:40:003
30891995036,3cyclictest41-21ksoftirqd/323:45:253
3089199502,8cyclictest41-21ksoftirqd/320:22:103
3089199502,7cyclictest41-21ksoftirqd/322:05:143
3089199501,7cyclictest41-21ksoftirqd/300:15:233
3089199495,10cyclictest41-21ksoftirqd/323:50:143
3089199493,8cyclictest41-21ksoftirqd/319:55:003
30891994918,9cyclictest41-21ksoftirqd/321:15:173
30891994918,8cyclictest41-21ksoftirqd/321:55:163
3089199490,5cyclictest41-21ksoftirqd/322:55:193
3089199490,5cyclictest41-21ksoftirqd/322:55:193
3089199486,10cyclictest41-21ksoftirqd/323:30:213
3089199485,9cyclictest41-21ksoftirqd/322:45:143
3089199485,8cyclictest41-21ksoftirqd/320:00:193
3089199485,8cyclictest41-21ksoftirqd/320:00:193
3089199484,7cyclictest41-21ksoftirqd/323:20:253
3089199484,3cyclictest41-21ksoftirqd/300:10:243
3089199484,10cyclictest41-21ksoftirqd/321:30:133
3089199483,7cyclictest41-21ksoftirqd/319:25:243
3089199483,5cyclictest41-21ksoftirqd/300:00:193
3089199482,11cyclictest41-21ksoftirqd/300:20:143
3089199480,6cyclictest41-21ksoftirqd/320:45:143
30890994820,4cyclictest33-21ksoftirqd/221:45:002
30890994814,6cyclictest33-21ksoftirqd/222:20:282
3089199473,8cyclictest41-21ksoftirqd/320:25:003
3089199472,6cyclictest41-21ksoftirqd/323:05:013
3089199470,6cyclictest401ktimersoftd/321:25:163
30890994719,4cyclictest33-21ksoftirqd/222:35:242
30890994715,3cyclictest33-21ksoftirqd/219:10:272
30890994713,8cyclictest33-21ksoftirqd/220:00:132
30890994713,8cyclictest33-21ksoftirqd/220:00:132
3089199464,7cyclictest41-21ksoftirqd/319:55:183
3089199463,7cyclictest41-21ksoftirqd/323:05:143
3089199462,6cyclictest41-21ksoftirqd/323:30:003
3089199462,6cyclictest41-21ksoftirqd/322:20:283
3089199462,6cyclictest41-21ksoftirqd/300:40:013
3089199460,7cyclictest41-21ksoftirqd/322:10:023
3089099463,40cyclictest5684-21/usr/sbin/munin19:25:172
30890994616,7cyclictest33-21ksoftirqd/219:30:182
30890994616,7cyclictest33-21ksoftirqd/219:30:182
3089199454,4cyclictest41-21ksoftirqd/323:10:143
3089199453,9cyclictest41-21ksoftirqd/321:40:143
3089199453,7cyclictest41-21ksoftirqd/323:55:133
3089199453,7cyclictest41-21ksoftirqd/323:55:133
3089199453,5cyclictest41-21ksoftirqd/323:40:013
3089199451,6cyclictest401ktimersoftd/321:15:003
30890994516,3cyclictest33-21ksoftirqd/223:00:242
3089099451,3cyclictest33-21ksoftirqd/220:45:272
30890994512,7cyclictest33-21ksoftirqd/219:45:282
30890994511,7cyclictest33-21ksoftirqd/222:20:002
30890994511,3cyclictest33-21ksoftirqd/200:20:002
3089199443,7cyclictest41-21ksoftirqd/320:40:253
3089099448,4cyclictest33-21ksoftirqd/200:20:242
30890994415,8cyclictest33-21ksoftirqd/223:45:212
30890994414,4cyclictest33-21ksoftirqd/222:40:262
30890994412,4cyclictest33-21ksoftirqd/222:55:142
30890994412,4cyclictest33-21ksoftirqd/222:55:132
30890994411,7cyclictest33-21ksoftirqd/221:15:002
30890994314,3cyclictest33-21ksoftirqd/220:10:212
30890994314,3cyclictest33-21ksoftirqd/200:10:152
30890994313,8cyclictest33-21ksoftirqd/220:30:272
30890994310,4cyclictest33-21ksoftirqd/222:05:132
3089199411,9cyclictest41-21ksoftirqd/322:50:143
30890994129,3cyclictest33-21ksoftirqd/222:10:232
3089099405,4cyclictest33-21ksoftirqd/222:25:172
3089099404,7cyclictest121rcu_preempt20:05:222
30890994035,3cyclictest33-21ksoftirqd/221:25:002
30890994034,3cyclictest33-21ksoftirqd/200:35:002
3089099403,2cyclictest121rcu_preempt20:55:002
3089099402,2cyclictest121rcu_preempt23:45:002
3089099401,9cyclictest33-21ksoftirqd/200:05:132
30890994011,7cyclictest33-21ksoftirqd/221:25:192
3089099398,8cyclictest33-21ksoftirqd/222:45:252
3089099398,3cyclictest33-21ksoftirqd/221:05:202
30890993934,3cyclictest33-21ksoftirqd/221:30:172
3089099393,2cyclictest121rcu_preempt20:40:212
30890993928,9cyclictest33-21ksoftirqd/221:15:202
30890993910,3cyclictest33-21ksoftirqd/221:00:242
30890993910,3cyclictest33-21ksoftirqd/220:55:292
30889993934,3cyclictest25-21ksoftirqd/121:20:011
30890993834,2cyclictest33-21ksoftirqd/223:25:002
30890993834,2cyclictest33-21ksoftirqd/220:30:002
30890993833,3cyclictest33-21ksoftirqd/223:55:262
30890993833,3cyclictest33-21ksoftirqd/223:55:262
30890993833,3cyclictest33-21ksoftirqd/221:45:012
3089099380,2cyclictest121rcu_preempt23:25:252
30889993834,2cyclictest25-21ksoftirqd/119:40:001
30889993832,4cyclictest25-21ksoftirqd/123:04:441
30890993733,2cyclictest33-21ksoftirqd/200:35:122
30890993732,3cyclictest33-21ksoftirqd/223:30:142
30890993732,3cyclictest33-21ksoftirqd/221:51:522
30890993732,3cyclictest33-21ksoftirqd/219:45:022
30890993732,3cyclictest33-21ksoftirqd/219:40:002
30890993731,4cyclictest33-21ksoftirqd/223:53:192
30890993731,4cyclictest33-21ksoftirqd/219:20:032
30890993731,3cyclictest33-21ksoftirqd/222:54:592
30890993725,5cyclictest33-21ksoftirqd/222:05:002
30890993724,11cyclictest33-21ksoftirqd/219:50:132
30890993710,8cyclictest33-21ksoftirqd/223:05:142
30889993733,3cyclictest25-21ksoftirqd/120:00:001
30889993731,4cyclictest25-21ksoftirqd/121:55:081
30889993731,4cyclictest25-21ksoftirqd/119:40:361
30889993731,3cyclictest25-21ksoftirqd/100:20:001
30889993730,5cyclictest25-21ksoftirqd/120:07:131
30888993731,4cyclictest9-21ksoftirqd/023:35:510
30888993731,4cyclictest9-21ksoftirqd/021:55:550
30888993731,4cyclictest9-21ksoftirqd/021:51:020
30888993731,4cyclictest9-21ksoftirqd/019:35:060
30888993730,4cyclictest9-21ksoftirqd/000:35:410
3089099364,2cyclictest121rcu_preempt21:35:132
30890993631,2cyclictest33-21ksoftirqd/223:10:282
30889993631,3cyclictest25-21ksoftirqd/120:17:001
30889993631,3cyclictest25-21ksoftirqd/119:46:021
30889993630,4cyclictest25-21ksoftirqd/123:12:541
30889993630,4cyclictest25-21ksoftirqd/119:22:481
30888993630,4cyclictest9-21ksoftirqd/022:27:320
30888993630,4cyclictest9-21ksoftirqd/022:00:320
30888993630,4cyclictest9-21ksoftirqd/021:48:180
30888993630,4cyclictest9-21ksoftirqd/020:05:070
30888993630,3cyclictest9-21ksoftirqd/020:30:000
30890993530,3cyclictest33-21ksoftirqd/222:30:152
30889993530,3cyclictest25-21ksoftirqd/121:50:131
30889993530,3cyclictest25-21ksoftirqd/120:49:481
30889993530,3cyclictest25-21ksoftirqd/120:37:021
30889993529,4cyclictest25-21ksoftirqd/123:50:411
30889993529,4cyclictest25-21ksoftirqd/123:25:461
30889993529,4cyclictest25-21ksoftirqd/120:14:431
30889993529,4cyclictest25-21ksoftirqd/100:30:141
30889993529,3cyclictest25-21ksoftirqd/100:05:131
30888993529,4cyclictest9-21ksoftirqd/023:16:260
30888993529,4cyclictest9-21ksoftirqd/020:10:560
30888993529,4cyclictest9-21ksoftirqd/019:54:230
30888993529,4cyclictest9-21ksoftirqd/019:22:220
3089099342,3cyclictest121rcu_preempt00:03:432
30889993429,3cyclictest25-21ksoftirqd/122:32:261
30889993429,3cyclictest25-21ksoftirqd/122:27:531
30889993429,3cyclictest25-21ksoftirqd/122:06:551
30889993429,3cyclictest25-21ksoftirqd/121:11:191
30889993428,4cyclictest25-21ksoftirqd/123:18:441
30889993428,4cyclictest25-21ksoftirqd/122:20:471
30889993428,4cyclictest25-21ksoftirqd/121:49:341
30889993428,4cyclictest25-21ksoftirqd/119:30:121
30889993428,4cyclictest25-21ksoftirqd/119:30:111
30889993427,5cyclictest25-21ksoftirqd/123:25:001
30888993429,3cyclictest9-21ksoftirqd/023:25:000
30888993429,3cyclictest9-21ksoftirqd/021:41:250
30888993428,4cyclictest9-21ksoftirqd/022:56:250
30888993428,4cyclictest9-21ksoftirqd/022:56:240
30888993428,4cyclictest9-21ksoftirqd/022:52:430
30888993428,4cyclictest9-21ksoftirqd/022:08:510
30888993428,4cyclictest9-21ksoftirqd/020:00:290
30888993428,4cyclictest9-21ksoftirqd/020:00:290
30888993428,4cyclictest9-21ksoftirqd/000:24:540
30889993328,3cyclictest8018-21cron21:45:001
30889993328,3cyclictest25-21ksoftirqd/121:01:481
30889993328,3cyclictest25-21ksoftirqd/120:25:161
30889993328,3cyclictest25-21ksoftirqd/119:10:351
30889993327,4cyclictest25-21ksoftirqd/123:44:561
30889993327,4cyclictest25-21ksoftirqd/122:51:001
30889993327,4cyclictest25-21ksoftirqd/100:23:091
30889993320,11cyclictest2579-21grep21:30:231
30888993328,3cyclictest9-21ksoftirqd/023:29:550
30888993328,3cyclictest9-21ksoftirqd/022:31:470
30888993328,3cyclictest9-21ksoftirqd/022:23:150
30888993328,3cyclictest9-21ksoftirqd/020:45:470
30888993327,4cyclictest9-21ksoftirqd/023:55:140
30888993327,4cyclictest9-21ksoftirqd/023:55:140
30888993327,4cyclictest9-21ksoftirqd/023:50:360
30888993327,4cyclictest9-21ksoftirqd/022:35:100
30888993327,4cyclictest9-21ksoftirqd/022:13:240
30888993327,4cyclictest9-21ksoftirqd/021:10:420
30888993327,4cyclictest9-21ksoftirqd/019:46:020
30888993327,4cyclictest9-21ksoftirqd/019:31:010
30888993327,4cyclictest9-21ksoftirqd/019:31:010
30888993327,4cyclictest9-21ksoftirqd/019:10:020
30888993327,3cyclictest9-21ksoftirqd/021:01:470
30889993227,3cyclictest25-21ksoftirqd/122:45:121
30889993226,4cyclictest25-21ksoftirqd/122:13:571
30889993226,4cyclictest25-21ksoftirqd/120:56:231
30889993226,4cyclictest25-21ksoftirqd/120:52:211
30888993227,3cyclictest9-21ksoftirqd/019:44:380
30888993227,3cyclictest9-21ksoftirqd/019:18:320
30888993227,3cyclictest9-21ksoftirqd/000:14:220
30888993226,4cyclictest9-21ksoftirqd/022:47:540
30888993226,4cyclictest9-21ksoftirqd/021:36:530
30888993226,4cyclictest9-21ksoftirqd/021:30:000
30888993226,4cyclictest9-21ksoftirqd/021:18:320
30888993226,4cyclictest9-21ksoftirqd/020:53:250
30888993226,4cyclictest9-21ksoftirqd/020:31:060
30888993225,4cyclictest1430-21grep21:30:140
30889993126,3cyclictest25-21ksoftirqd/123:31:361
30889993126,3cyclictest25-21ksoftirqd/121:09:251
30889993126,3cyclictest25-21ksoftirqd/120:24:561
30889993125,4cyclictest25-21ksoftirqd/121:38:031
30888993128,2cyclictest9-21ksoftirqd/020:00:000
30888993126,3cyclictest9-21ksoftirqd/019:28:280
30888993125,4cyclictest9-21ksoftirqd/021:20:530
30889993025,3cyclictest25-21ksoftirqd/123:40:011
30889993025,3cyclictest25-21ksoftirqd/123:06:321
30889993025,3cyclictest25-21ksoftirqd/120:40:201
30889993025,3cyclictest25-21ksoftirqd/119:51:221
30889993024,3cyclictest25-21ksoftirqd/100:25:141
30888993025,3cyclictest9-21ksoftirqd/023:05:350
30888993025,3cyclictest9-21ksoftirqd/023:04:070
30888993025,3cyclictest9-21ksoftirqd/020:41:100
30888993025,3cyclictest9-21ksoftirqd/020:37:420
30888993025,3cyclictest9-21ksoftirqd/000:25:320
30888993024,4cyclictest9-21ksoftirqd/023:49:320
30888993024,4cyclictest9-21ksoftirqd/000:09:180
30889992924,3cyclictest25-21ksoftirqd/122:36:481
30889992924,3cyclictest25-21ksoftirqd/120:30:061
30889992924,3cyclictest25-21ksoftirqd/120:00:191
30889992924,3cyclictest25-21ksoftirqd/120:00:191
30889992924,3cyclictest25-21ksoftirqd/100:13:311
30889992923,4cyclictest25-21ksoftirqd/122:42:131
30889992923,4cyclictest25-21ksoftirqd/119:25:571
30888992924,3cyclictest9-21ksoftirqd/023:32:510
30888992924,3cyclictest9-21ksoftirqd/022:15:260
30888992924,3cyclictest9-21ksoftirqd/021:08:010
30888992924,3cyclictest9-21ksoftirqd/020:57:300
30888992924,3cyclictest9-21ksoftirqd/020:19:110
30888992924,2cyclictest9-21ksoftirqd/023:15:000
30889992823,3cyclictest25-21ksoftirqd/122:18:271
30889992823,3cyclictest25-21ksoftirqd/121:25:001
30889992823,3cyclictest25-21ksoftirqd/100:35:121
30888992823,3cyclictest9-21ksoftirqd/020:20:510
30889992722,3cyclictest25-21ksoftirqd/123:45:351
30889992722,3cyclictest25-21ksoftirqd/119:15:201
30888992722,3cyclictest9-21ksoftirqd/022:42:390
30888992722,3cyclictest9-21ksoftirqd/000:00:190
30889992621,3cyclictest25-21ksoftirqd/121:26:591
30888992621,3cyclictest9-21ksoftirqd/023:44:550
30888992621,3cyclictest9-21ksoftirqd/000:30:250
30888992621,3cyclictest9-21ksoftirqd/000:15:200
3088999250,24cyclictest0-21swapper/122:56:551
3088999250,24cyclictest0-21swapper/122:56:551
30889992419,3cyclictest25-21ksoftirqd/122:00:111
30889992419,3cyclictest25-21ksoftirqd/100:00:121
30889992216,3cyclictest25-21ksoftirqd/123:59:591
30889992216,3cyclictest25-21ksoftirqd/123:59:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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