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2026-05-24 - 13:40
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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 376 highest latencies:
System rackdslot2.osadl.org (updated Sun May 24, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
583322960,8sleep10-21swapper/119:05:191
48312208174,22sleep30-21swapper/319:05:023
69572205171,22sleep20-21swapper/219:09:522
66372203169,23sleep00-21swapper/019:05:480
3237121530,1sleep20-21swapper/222:15:202
1020521530,6sleep0743799cyclictest21:30:130
21512570,2sleep10-21swapper/123:28:011
7442995620,9cyclictest41-21ksoftirqd/319:20:183
139291560,1ptp4l401ktimersoftd/300:18:173
743999524,5cyclictest33-21ksoftirqd/223:20:232
743999517,4cyclictest33-21ksoftirqd/223:35:142
139291480,1ptp4l401ktimersoftd/321:20:493
743999471,2cyclictest121rcu_preempt20:40:132
743999463,10cyclictest33-21ksoftirqd/219:45:242
743999444,9cyclictest33-21ksoftirqd/221:30:212
7439994427,5cyclictest33-21ksoftirqd/223:30:212
7442994326,7cyclictest41-21ksoftirqd/320:40:133
743999438,5cyclictest33-21ksoftirqd/220:00:192
743999434,3cyclictest121rcu_preempt21:45:162
7439994330,10cyclictest33-21ksoftirqd/221:20:262
743999432,9cyclictest33-21ksoftirqd/200:05:132
7439994329,12cyclictest33-21ksoftirqd/220:20:002
743799437,6cyclictest9-21ksoftirqd/021:25:000
743799434,3cyclictest121rcu_preempt19:20:180
139291430,0ptp4l401ktimersoftd/323:10:233
743999428,9cyclictest33-21ksoftirqd/222:45:152
7439994236,3cyclictest33-21ksoftirqd/220:00:002
7439994231,9cyclictest33-21ksoftirqd/223:45:292
743999421,10cyclictest33-21ksoftirqd/219:10:232
743999420,2cyclictest121rcu_preempt23:15:202
743799428,8cyclictest9-21ksoftirqd/020:05:180
139291420,0ptp4l401ktimersoftd/322:33:473
139291420,0ptp4l401ktimersoftd/321:45:173
139291420,0ptp4l401ktimersoftd/320:34:573
7442994136,3cyclictest41-21ksoftirqd/300:00:013
743999417,7cyclictest33-21ksoftirqd/222:20:182
743999410,2cyclictest121rcu_preempt23:10:232
743999410,2cyclictest121rcu_preempt21:10:122
743799418,4cyclictest9-21ksoftirqd/000:10:280
743799414,3cyclictest9-21ksoftirqd/021:25:280
743799413,6cyclictest9-21ksoftirqd/022:45:000
743799412,7cyclictest9-21ksoftirqd/022:10:000
743799411,3cyclictest121rcu_preempt23:09:390
7442994036,3cyclictest41-21ksoftirqd/323:20:003
7442994036,3cyclictest41-21ksoftirqd/300:40:003
7442994035,3cyclictest41-21ksoftirqd/323:55:003
7442994033,4cyclictest41-21ksoftirqd/322:10:123
7439994035,3cyclictest33-21ksoftirqd/222:55:002
7439994035,3cyclictest33-21ksoftirqd/222:55:002
7439994035,3cyclictest33-21ksoftirqd/220:35:012
743999403,2cyclictest33-21ksoftirqd/222:00:262
7439994021,5cyclictest33-21ksoftirqd/223:05:262
743999400,2cyclictest121rcu_preempt21:40:142
743799406,7cyclictest9-21ksoftirqd/019:10:220
7437994035,3cyclictest9-21ksoftirqd/021:20:000
743799403,3cyclictest121rcu_preempt22:15:150
139291400,0ptp4l401ktimersoftd/320:47:333
7442993934,3cyclictest41-21ksoftirqd/323:00:003
7442993934,3cyclictest41-21ksoftirqd/320:10:003
7442993933,3cyclictest41-21ksoftirqd/321:00:013
743999393,9cyclictest33-21ksoftirqd/221:25:182
7439993933,3cyclictest33-21ksoftirqd/222:00:012
743999391,5cyclictest33-21ksoftirqd/200:10:172
743799399,7cyclictest9-21ksoftirqd/020:45:190
743799399,6cyclictest9-21ksoftirqd/019:45:200
743799397,7cyclictest9-21ksoftirqd/022:00:210
743799397,4cyclictest9-21ksoftirqd/019:50:200
743799396,7cyclictest9-21ksoftirqd/023:45:210
743799395,6cyclictest9-21ksoftirqd/020:00:180
7437993934,3cyclictest9-21ksoftirqd/019:20:000
7437993934,2cyclictest9-21ksoftirqd/000:10:000
743799393,3cyclictest121rcu_preempt20:35:170
743799392,6cyclictest9-21ksoftirqd/000:20:200
7442993833,3cyclictest41-21ksoftirqd/322:37:513
7442993833,3cyclictest41-21ksoftirqd/320:10:123
7442993833,3cyclictest41-21ksoftirqd/320:00:193
7442993833,3cyclictest41-21ksoftirqd/300:10:013
7442993832,4cyclictest41-21ksoftirqd/321:19:173
7442993832,4cyclictest41-21ksoftirqd/300:00:123
7442993820,10cyclictest41-21ksoftirqd/321:10:273
743999384,6cyclictest33-21ksoftirqd/220:55:242
7439993835,2cyclictest33-21ksoftirqd/219:45:012
7439993834,3cyclictest33-21ksoftirqd/219:55:002
7439993833,3cyclictest33-21ksoftirqd/222:45:002
7439993833,3cyclictest33-21ksoftirqd/220:05:182
7439993832,4cyclictest33-21ksoftirqd/221:06:002
7439993832,3cyclictest33-21ksoftirqd/222:10:182
7439993832,3cyclictest33-21ksoftirqd/221:50:142
7439993832,3cyclictest33-21ksoftirqd/220:50:142
743999382,3cyclictest33-21ksoftirqd/221:15:172
7439993822,4cyclictest33-21ksoftirqd/219:20:202
7438993832,3cyclictest25-21ksoftirqd/121:40:001
7437993834,2cyclictest9-21ksoftirqd/020:20:000
743799383,3cyclictest121rcu_preempt20:30:230
743799383,3cyclictest121rcu_preempt20:25:180
7437993833,3cyclictest9-21ksoftirqd/023:50:150
743799382,3cyclictest9-21ksoftirqd/023:40:250
743799382,3cyclictest121rcu_preempt23:10:190
41298380,4rtkit-daemon8076-21iostat_ios23:40:191
7442993732,3cyclictest41-21ksoftirqd/322:30:013
7442993732,3cyclictest41-21ksoftirqd/322:25:013
7442993732,3cyclictest41-21ksoftirqd/320:20:203
7442993732,3cyclictest41-21ksoftirqd/300:21:183
7442993732,2cyclictest41-21ksoftirqd/320:50:133
7442993731,4cyclictest41-21ksoftirqd/323:40:383
7442993731,4cyclictest41-21ksoftirqd/322:52:163
7442993731,4cyclictest41-21ksoftirqd/322:52:163
7442993731,4cyclictest41-21ksoftirqd/322:41:573
7442993731,4cyclictest41-21ksoftirqd/321:01:003
7442993731,4cyclictest41-21ksoftirqd/319:17:543
7442993730,5cyclictest41-21ksoftirqd/323:34:543
744299370,4cyclictest41-21ksoftirqd/323:00:143
7439993732,3cyclictest33-21ksoftirqd/220:30:012
7439993732,3cyclictest33-21ksoftirqd/219:30:142
7439993731,3cyclictest33-21ksoftirqd/221:40:002
743999371,5cyclictest33-21ksoftirqd/223:25:152
743999370,8cyclictest33-21ksoftirqd/219:25:142
743999370,8cyclictest33-21ksoftirqd/219:15:142
7438993731,4cyclictest25-21ksoftirqd/119:11:461
743799376,4cyclictest9-21ksoftirqd/000:35:210
743799375,5cyclictest9-21ksoftirqd/021:45:300
743799373,6cyclictest121rcu_preempt23:25:160
743799373,4cyclictest9-21ksoftirqd/023:30:290
743799373,4cyclictest9-21ksoftirqd/021:55:190
743799373,3cyclictest121rcu_preempt19:40:250
743799373,3cyclictest121rcu_preempt00:30:180
7437993733,2cyclictest9-21ksoftirqd/023:19:590
7437993733,2cyclictest9-21ksoftirqd/021:00:010
743799373,2cyclictest121rcu_preempt22:10:140
743799372,2cyclictest121rcu_preempt23:55:230
743799371,4cyclictest9-21ksoftirqd/019:25:180
743799371,3cyclictest9-21ksoftirqd/020:50:180
743799371,2cyclictest9-21ksoftirqd/020:10:250
743799371,2cyclictest121rcu_preempt22:50:230
743799371,2cyclictest121rcu_preempt22:50:220
7442993632,2cyclictest41-21ksoftirqd/322:05:283
7442993632,2cyclictest41-21ksoftirqd/320:40:003
7442993631,3cyclictest41-21ksoftirqd/321:41:323
7442993631,3cyclictest41-21ksoftirqd/321:10:003
7442993631,3cyclictest41-21ksoftirqd/320:25:183
7442993631,3cyclictest41-21ksoftirqd/319:49:423
7442993631,3cyclictest41-21ksoftirqd/300:10:143
7442993630,4cyclictest41-21ksoftirqd/323:37:133
7442993630,4cyclictest41-21ksoftirqd/323:25:003
7442993630,4cyclictest41-21ksoftirqd/322:50:003
7442993630,4cyclictest41-21ksoftirqd/322:16:423
7442993630,4cyclictest41-21ksoftirqd/319:57:133
744299361,3cyclictest121rcu_preempt21:55:173
743999365,2cyclictest121rcu_preempt22:55:152
743999364,6cyclictest121rcu_preempt00:20:142
743999364,3cyclictest121rcu_preempt22:35:252
7439993633,2cyclictest33-21ksoftirqd/220:50:002
7439993631,3cyclictest33-21ksoftirqd/221:00:142
7439993631,3cyclictest33-21ksoftirqd/219:35:272
7439993631,3cyclictest33-21ksoftirqd/200:30:002
7439993631,2cyclictest33-21ksoftirqd/200:00:142
7439993630,3cyclictest33-21ksoftirqd/220:35:132
7439993626,9cyclictest33-21ksoftirqd/222:05:282
743999361,7cyclictest33-21ksoftirqd/200:15:162
743999361,3cyclictest33-21ksoftirqd/223:00:252
7438993631,3cyclictest25-21ksoftirqd/123:20:061
7438993630,4cyclictest25-21ksoftirqd/119:49:171
7438993630,4cyclictest25-21ksoftirqd/100:05:441
743799366,7cyclictest9-21ksoftirqd/022:35:190
743799363,3cyclictest121rcu_preempt21:05:150
743799363,2cyclictest9-21ksoftirqd/021:10:140
7437993631,3cyclictest9-21ksoftirqd/021:35:190
7437993631,3cyclictest9-21ksoftirqd/000:30:000
7437993629,5cyclictest9-21ksoftirqd/000:15:220
743799361,3cyclictest121rcu_preempt23:35:240
743799361,2cyclictest121rcu_preempt22:25:150
743799361,2cyclictest121rcu_preempt19:30:160
743799360,2cyclictest121rcu_preempt23:05:010
7442993531,2cyclictest41-21ksoftirqd/319:10:173
7442993522,3cyclictest41-21ksoftirqd/322:00:173
744299351,3cyclictest0-21swapper/319:30:183
743999356,8cyclictest121rcu_preempt22:30:142
743999353,6cyclictest121rcu_preempt23:50:152
7439993531,2cyclictest33-21ksoftirqd/223:55:252
7439993529,4cyclictest33-21ksoftirqd/220:13:372
743999351,9cyclictest33-21ksoftirqd/222:30:012
7438993530,3cyclictest25-21ksoftirqd/120:25:111
7438993530,3cyclictest25-21ksoftirqd/119:32:231
7438993530,3cyclictest25-21ksoftirqd/119:25:001
7438993529,4cyclictest25-21ksoftirqd/121:40:051
7438993529,4cyclictest25-21ksoftirqd/121:32:021
7438993529,4cyclictest25-21ksoftirqd/119:28:391
7438993529,3cyclictest22685-21cron20:50:001
743799354,2cyclictest121rcu_preempt19:55:200
7437993530,3cyclictest9-21ksoftirqd/020:20:260
743799352,2cyclictest121rcu_preempt22:45:160
743799351,6cyclictest9-21ksoftirqd/022:55:180
743799351,6cyclictest121rcu_preempt21:50:250
743799351,3cyclictest121rcu_preempt21:40:200
743799350,2cyclictest121rcu_preempt21:00:130
139291350,0ptp4l401ktimersoftd/319:41:193
7442993430,3cyclictest41-21ksoftirqd/323:50:003
7442993430,2cyclictest41-21ksoftirqd/323:10:003
7442993430,2cyclictest41-21ksoftirqd/321:25:273
7442993428,4cyclictest41-21ksoftirqd/321:33:443
7442993420,4cyclictest41-21ksoftirqd/320:15:153
744299340,5cyclictest0-21swapper/300:25:143
7439993428,3cyclictest33-21ksoftirqd/220:20:282
743999342,6cyclictest33-21ksoftirqd/200:30:132
7438993430,3cyclictest25-21ksoftirqd/123:12:551
7438993429,3cyclictest25-21ksoftirqd/123:47:421
7438993429,3cyclictest25-21ksoftirqd/123:35:121
7438993429,3cyclictest25-21ksoftirqd/121:55:111
7438993428,4cyclictest25-21ksoftirqd/123:52:441
7438993428,4cyclictest25-21ksoftirqd/122:36:211
7438993428,4cyclictest25-21ksoftirqd/122:08:051
7438993428,4cyclictest25-21ksoftirqd/120:56:291
7438993428,4cyclictest25-21ksoftirqd/120:18:051
7438993428,4cyclictest25-21ksoftirqd/119:17:281
7437993429,3cyclictest9-21ksoftirqd/023:20:130
7437993428,4cyclictest9-21ksoftirqd/019:36:480
7437993428,4cyclictest9-21ksoftirqd/000:03:170
743799342,3cyclictest121rcu_preempt22:35:010
7437993417,5cyclictest9-21ksoftirqd/020:40:180
743799341,3cyclictest9-21ksoftirqd/022:20:200
7442993329,2cyclictest41-21ksoftirqd/323:25:183
7442993329,2cyclictest41-21ksoftirqd/321:55:003
7442993328,3cyclictest41-21ksoftirqd/321:35:193
7442993327,4cyclictest41-21ksoftirqd/300:30:573
7439993329,3cyclictest33-21ksoftirqd/223:40:152
7439993328,3cyclictest33-21ksoftirqd/200:35:162
7438993328,3cyclictest25-21ksoftirqd/123:19:531
7438993328,3cyclictest25-21ksoftirqd/122:31:061
7438993328,3cyclictest25-21ksoftirqd/120:11:521
7438993328,3cyclictest25-21ksoftirqd/100:00:101
7438993327,4cyclictest25-21ksoftirqd/122:03:151
7438993327,4cyclictest25-21ksoftirqd/121:26:091
7438993327,4cyclictest25-21ksoftirqd/121:07:321
7442993228,2cyclictest41-21ksoftirqd/319:25:203
7442993226,4cyclictest41-21ksoftirqd/319:50:513
7438993227,3cyclictest25-21ksoftirqd/123:09:071
7438993227,3cyclictest25-21ksoftirqd/122:55:111
7438993227,3cyclictest25-21ksoftirqd/122:27:501
7438993227,3cyclictest25-21ksoftirqd/119:52:091
7438993226,4cyclictest25-21ksoftirqd/122:14:351
7438993226,4cyclictest25-21ksoftirqd/121:13:541
744299312,3cyclictest41-21ksoftirqd/319:35:183
7438993126,3cyclictest25-21ksoftirqd/120:55:001
7438993126,3cyclictest25-21ksoftirqd/120:22:271
7438993126,3cyclictest25-21ksoftirqd/100:35:491
7438993125,4cyclictest25-21ksoftirqd/123:57:531
7438993125,4cyclictest25-21ksoftirqd/122:46:451
7438993125,4cyclictest25-21ksoftirqd/120:39:201
7438993125,4cyclictest25-21ksoftirqd/100:20:431
7438993125,4cyclictest25-21ksoftirqd/100:19:311
7438993025,3cyclictest25-21ksoftirqd/123:32:531
7438993025,3cyclictest25-21ksoftirqd/123:00:321
7438993025,3cyclictest25-21ksoftirqd/122:50:221
7438993025,3cyclictest25-21ksoftirqd/122:50:221
7438993025,3cyclictest25-21ksoftirqd/122:19:441
7438993025,3cyclictest25-21ksoftirqd/121:15:101
7438993025,3cyclictest25-21ksoftirqd/119:37:011
7438993025,3cyclictest25-21ksoftirqd/100:32:061
7438993024,4cyclictest25-21ksoftirqd/122:44:401
7438993024,4cyclictest25-21ksoftirqd/120:30:451
7438992924,3cyclictest25-21ksoftirqd/119:41:191
7438992923,4cyclictest25-21ksoftirqd/121:22:081
7438992923,4cyclictest25-21ksoftirqd/121:02:381
7438992923,4cyclictest25-21ksoftirqd/120:44:371
7438992722,3cyclictest25-21ksoftirqd/121:49:311
7438992722,3cyclictest25-21ksoftirqd/119:56:121
7438992721,4cyclictest25-21ksoftirqd/122:22:541
7438992621,3cyclictest25-21ksoftirqd/120:08:241
7438992621,3cyclictest25-21ksoftirqd/120:03:471
7438992621,3cyclictest25-21ksoftirqd/100:11:211
7438992620,4cyclictest25-21ksoftirqd/100:26:221
7438992116,3cyclictest25-21ksoftirqd/121:50:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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