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2026-07-28 - 03:39
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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 Jul 28, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68332237169,23sleep20-21swapper/219:06:262
67622235170,22sleep30-21swapper/319:05:353
68982207173,22sleep10-21swapper/119:07:141
49872204171,22sleep00-21swapper/019:05:120
740599782,74cyclictest2843-21kworker/2:123:50:252
139291690,62ptp4l0-21swapper/319:10:003
127542660,3sleep10-21swapper/122:40:201
139291630,0ptp4l401ktimersoftd/323:50:413
740599493,44cyclictest13452-21kworker/2:219:31:052
107202460,3sleep310726-21cpuspeed_turbos21:30:133
740499450,4cyclictest25-21ksoftirqd/120:15:201
740499443,3cyclictest121rcu_preempt20:20:191
740499443,3cyclictest121rcu_preempt20:20:191
740399445,3cyclictest121rcu_preempt19:30:000
740399443,3cyclictest121rcu_preempt20:55:210
139291440,0ptp4l401ktimersoftd/323:15:173
139291440,0ptp4l401ktimersoftd/323:01:173
7405994335,4cyclictest1312-21snmpd22:25:082
7403994338,3cyclictest9-21ksoftirqd/023:00:000
139291430,0ptp4l401ktimersoftd/323:31:143
139291430,0ptp4l401ktimersoftd/319:21:093
135191430,1getstats0-21swapper/320:00:273
740399423,3cyclictest121rcu_preempt21:55:300
139291420,1ptp4l401ktimersoftd/321:15:183
7405994125,13cyclictest33-21ksoftirqd/220:20:132
7405994125,13cyclictest33-21ksoftirqd/220:20:122
7404994136,3cyclictest25-21ksoftirqd/121:30:191
7404994136,3cyclictest25-21ksoftirqd/100:40:001
740499411,5cyclictest25-21ksoftirqd/121:20:181
740399415,10cyclictest9-21ksoftirqd/000:30:000
740399412,3cyclictest121rcu_preempt19:11:480
7404994027,10cyclictest25-21ksoftirqd/120:35:281
740399406,3cyclictest121rcu_preempt23:35:260
740399404,8cyclictest121rcu_preempt20:10:200
139291400,0ptp4l401ktimersoftd/323:35:193
7406993933,4cyclictest41-21ksoftirqd/321:02:343
7406993932,4cyclictest41-21ksoftirqd/322:25:083
7406993914,22cyclictest2989-21cut00:35:163
740499397,2cyclictest25-21ksoftirqd/122:24:581
740499395,3cyclictest121rcu_preempt22:25:141
7404993935,2cyclictest25-21ksoftirqd/100:20:001
740499393,3cyclictest25-21ksoftirqd/122:10:141
7404993933,3cyclictest25-21ksoftirqd/120:00:261
740499391,4cyclictest25-21ksoftirqd/120:30:171
740499391,3cyclictest25-21ksoftirqd/121:50:111
740399395,2cyclictest121rcu_preempt19:30:240
740399393,3cyclictest121rcu_preempt20:09:590
7403993925,3cyclictest9-21ksoftirqd/021:45:140
7403993925,3cyclictest9-21ksoftirqd/020:00:150
41298390,3rtkit-daemon28770-21diskstats23:15:150
139291390,0ptp4l401ktimersoftd/322:35:233
7406993832,4cyclictest41-21ksoftirqd/323:59:473
7406993832,4cyclictest41-21ksoftirqd/319:54:063
7406993832,4cyclictest41-21ksoftirqd/319:54:053
7406993832,4cyclictest18654-21sh22:55:003
740599382,4cyclictest22222-21wc21:55:002
740499385,3cyclictest121rcu_preempt19:35:191
7404993834,2cyclictest25-21ksoftirqd/123:10:281
7404993834,2cyclictest25-21ksoftirqd/122:50:001
7404993833,2cyclictest25-21ksoftirqd/119:50:001
7404993832,4cyclictest25-21ksoftirqd/121:45:561
7404993832,3cyclictest510-21cron23:25:001
7404993832,3cyclictest25-21ksoftirqd/123:25:201
7404993832,3cyclictest25-21ksoftirqd/119:15:551
7404993832,3cyclictest25-21ksoftirqd/100:31:451
740399387,3cyclictest121rcu_preempt21:40:200
740399384,3cyclictest121rcu_preempt20:45:000
7403993835,2cyclictest9-21ksoftirqd/020:39:590
740399383,3cyclictest121rcu_preempt00:35:010
7403993833,3cyclictest9-21ksoftirqd/000:10:010
7403993833,2cyclictest9-21ksoftirqd/019:20:010
7403993832,4cyclictest11142-21cron20:25:010
7403993832,4cyclictest11142-21cron20:25:000
7403993832,3cyclictest9-21ksoftirqd/022:00:190
7403993832,3cyclictest9-21ksoftirqd/021:40:000
740399382,3cyclictest9-21ksoftirqd/019:40:010
740399381,3cyclictest121rcu_preempt21:17:060
7406993731,4cyclictest41-21ksoftirqd/321:51:293
7406993731,4cyclictest41-21ksoftirqd/320:27:073
7406993731,4cyclictest41-21ksoftirqd/319:19:553
7405993731,4cyclictest33-21ksoftirqd/222:53:172
7405993731,4cyclictest33-21ksoftirqd/221:57:242
7405993731,4cyclictest33-21ksoftirqd/221:03:412
7405993731,4cyclictest33-21ksoftirqd/220:37:332
7405993731,4cyclictest33-21ksoftirqd/200:26:002
7405993730,4cyclictest33-21ksoftirqd/221:47:382
740499376,3cyclictest121rcu_preempt21:35:201
740499375,2cyclictest121rcu_preempt20:25:151
740499374,3cyclictest121rcu_preempt23:30:201
7404993733,2cyclictest25-21ksoftirqd/123:40:011
7404993733,2cyclictest25-21ksoftirqd/119:55:011
7404993733,2cyclictest25-21ksoftirqd/119:55:011
7404993733,2cyclictest25-21ksoftirqd/119:35:011
7404993732,3cyclictest25-21ksoftirqd/123:50:001
7404993732,3cyclictest25-21ksoftirqd/122:00:241
7404993732,3cyclictest25-21ksoftirqd/119:40:201
7404993732,3cyclictest25-21ksoftirqd/119:15:001
7404993732,3cyclictest25-21ksoftirqd/100:10:001
7404993731,3cyclictest25-21ksoftirqd/122:05:221
7404993730,4cyclictest25-21ksoftirqd/123:51:571
740499370,3cyclictest25-21ksoftirqd/122:54:551
740499370,2cyclictest25-21ksoftirqd/121:55:201
740399375,9cyclictest9-21ksoftirqd/022:50:130
740399373,3cyclictest121rcu_preempt21:55:000
7403993733,2cyclictest9-21ksoftirqd/020:55:010
7403993731,3cyclictest4415-21cron22:25:000
740399373,10cyclictest9-21ksoftirqd/022:50:000
7403993730,4cyclictest9-21ksoftirqd/023:30:140
7403993724,4cyclictest9-21ksoftirqd/000:13:410
7403993723,4cyclictest9-21ksoftirqd/022:09:370
7403993723,3cyclictest9-21ksoftirqd/020:18:000
7403993723,3cyclictest9-21ksoftirqd/000:39:570
7403993723,3cyclictest9-21ksoftirqd/000:15:170
7403993722,4cyclictest9-21ksoftirqd/000:00:140
7406993631,3cyclictest41-21ksoftirqd/320:20:003
7406993630,4cyclictest41-21ksoftirqd/323:25:513
7406993630,4cyclictest41-21ksoftirqd/322:08:053
7406993630,4cyclictest41-21ksoftirqd/300:26:533
7405993631,3cyclictest33-21ksoftirqd/220:17:002
7405993630,4cyclictest33-21ksoftirqd/222:07:322
7405993630,4cyclictest33-21ksoftirqd/220:08:562
7405993630,4cyclictest33-21ksoftirqd/219:57:582
740499365,3cyclictest121rcu_preempt19:20:121
7404993632,2cyclictest25-21ksoftirqd/121:20:001
7404993631,3cyclictest25-21ksoftirqd/121:15:001
7404993630,3cyclictest25-21ksoftirqd/122:40:011
7404993630,3cyclictest25-21ksoftirqd/121:00:001
7404993629,4cyclictest25-21ksoftirqd/121:25:141
7404993621,4cyclictest25-21ksoftirqd/120:05:221
7403993632,2cyclictest9-21ksoftirqd/023:05:200
7403993632,2cyclictest9-21ksoftirqd/020:25:240
7403993631,3cyclictest9-21ksoftirqd/021:10:050
7403993631,3cyclictest9-21ksoftirqd/020:30:140
7403993631,3cyclictest9-21ksoftirqd/019:45:210
7403993631,2cyclictest9-21ksoftirqd/021:30:190
7403993630,3cyclictest9-21ksoftirqd/023:55:130
7403993623,3cyclictest9-21ksoftirqd/023:02:570
7403993623,3cyclictest9-21ksoftirqd/022:31:520
7403993622,4cyclictest9-21ksoftirqd/022:28:390
7403993622,3cyclictest9-21ksoftirqd/023:52:590
7403993622,3cyclictest9-21ksoftirqd/022:10:090
7403993622,3cyclictest9-21ksoftirqd/021:01:570
740399361,2cyclictest121rcu_preempt22:40:120
322302360,6sleep3740699cyclictest22:15:163
139291360,1ptp4l391rcuc/320:10:243
139291360,12ptp4l740699cyclictest19:32:153
7406993530,3cyclictest41-21ksoftirqd/323:07:083
7406993530,3cyclictest41-21ksoftirqd/300:13:163
7406993529,4cyclictest41-21ksoftirqd/322:01:023
7406993529,4cyclictest41-21ksoftirqd/319:42:263
7406993514,19cyclictest2699-21awk22:20:163
7405993530,3cyclictest33-21ksoftirqd/222:25:002
7405993530,3cyclictest33-21ksoftirqd/221:21:142
7405993530,3cyclictest33-21ksoftirqd/220:42:002
7405993530,3cyclictest33-21ksoftirqd/220:29:342
7405993529,4cyclictest33-21ksoftirqd/223:38:222
7405993529,4cyclictest33-21ksoftirqd/222:14:092
7405993529,4cyclictest33-21ksoftirqd/219:10:362
7405993529,4cyclictest33-21ksoftirqd/200:05:462
7405993529,3cyclictest33-21ksoftirqd/219:45:562
7404993531,2cyclictest25-21ksoftirqd/123:15:161
7404993531,2cyclictest25-21ksoftirqd/120:40:001
7404993530,3cyclictest25-21ksoftirqd/119:55:151
7404993530,3cyclictest25-21ksoftirqd/100:20:371
7404993529,4cyclictest25-21ksoftirqd/119:28:161
7404993529,3cyclictest25-21ksoftirqd/123:05:141
7404993529,3cyclictest25-21ksoftirqd/122:30:271
740399355,2cyclictest121rcu_preempt20:45:290
7403993531,2cyclictest9-21ksoftirqd/000:20:140
7403993530,3cyclictest9-21ksoftirqd/021:20:150
7403993530,3cyclictest9-21ksoftirqd/019:55:150
7403993530,2cyclictest9-21ksoftirqd/021:25:270
7403993530,2cyclictest9-21ksoftirqd/019:35:160
7403993526,2cyclictest9-21ksoftirqd/022:20:000
740399352,2cyclictest121rcu_preempt19:50:170
740399352,2cyclictest121rcu_preempt19:50:170
7403993522,3cyclictest9-21ksoftirqd/023:28:160
7403993521,3cyclictest9-21ksoftirqd/023:41:360
740399351,3cyclictest121rcu_preempt19:20:130
740399350,2cyclictest121rcu_preempt23:45:170
41298350,1rtkit-daemon0-21swapper/121:00:131
740699348,4cyclictest24777-21ptp4l-jitter20:50:243
7406993430,3cyclictest41-21ksoftirqd/320:22:463
7406993430,3cyclictest41-21ksoftirqd/320:22:463
7406993429,3cyclictest41-21ksoftirqd/322:40:123
7406993429,3cyclictest41-21ksoftirqd/321:40:103
7406993428,4cyclictest41-21ksoftirqd/321:38:243
7406993428,4cyclictest41-21ksoftirqd/320:35:533
7406993428,4cyclictest41-21ksoftirqd/319:29:323
7406993422,10cyclictest41-21ksoftirqd/300:22:243
7406993413,18cyclictest8103-21wc22:30:233
740599345,3cyclictest527-21idleruntime-cro23:25:002
7405993431,2cyclictest33-21ksoftirqd/221:35:002
7405993429,3cyclictest33-21ksoftirqd/223:45:472
7405993429,3cyclictest33-21ksoftirqd/223:10:142
7405993429,3cyclictest33-21ksoftirqd/200:35:362
7405993428,4cyclictest33-21ksoftirqd/223:44:242
7405993428,4cyclictest33-21ksoftirqd/200:21:192
7405993428,4cyclictest33-21ksoftirqd/200:11:162
7404993430,2cyclictest25-21ksoftirqd/120:49:461
7404993429,3cyclictest25-21ksoftirqd/123:40:291
7404993429,3cyclictest25-21ksoftirqd/120:50:131
7404993428,4cyclictest25-21ksoftirqd/123:00:131
7404993428,4cyclictest25-21ksoftirqd/100:12:111
7404993428,3cyclictest25-21ksoftirqd/120:10:181
7404993427,4cyclictest25-21ksoftirqd/123:59:311
7404993419,4cyclictest25-21ksoftirqd/121:40:271
7404993417,4cyclictest25-21ksoftirqd/121:05:281
7403993429,3cyclictest9-21ksoftirqd/022:40:010
7403993428,3cyclictest9-21ksoftirqd/021:10:000
7406993329,3cyclictest41-21ksoftirqd/320:30:143
7406993327,4cyclictest41-21ksoftirqd/321:22:433
7406993327,4cyclictest41-21ksoftirqd/300:07:433
7406993327,3cyclictest41-21ksoftirqd/321:46:583
7406993313,18cyclictest32108-21sed21:05:233
7405993328,3cyclictest33-21ksoftirqd/222:36:542
7405993328,3cyclictest33-21ksoftirqd/220:55:442
7405993328,3cyclictest33-21ksoftirqd/220:04:362
7405993328,3cyclictest33-21ksoftirqd/219:50:192
7405993328,3cyclictest33-21ksoftirqd/219:50:192
7405993328,3cyclictest33-21ksoftirqd/219:43:272
7405993328,3cyclictest33-21ksoftirqd/200:04:242
7405993327,4cyclictest33-21ksoftirqd/223:17:042
7405993327,4cyclictest33-21ksoftirqd/223:09:302
7405993327,4cyclictest33-21ksoftirqd/220:54:462
7405993327,4cyclictest33-21ksoftirqd/220:47:492
7405993327,4cyclictest33-21ksoftirqd/219:29:012
7405993327,4cyclictest33-21ksoftirqd/219:24:272
7405993326,5cyclictest33-21ksoftirqd/221:35:462
7405993312,18cyclictest15765-21expr23:55:162
7404993330,2cyclictest25-21ksoftirqd/122:20:001
7404993329,2cyclictest25-21ksoftirqd/100:00:141
7403993328,3cyclictest9-21ksoftirqd/023:10:260
139291330,2ptp4l740699cyclictest21:10:463
139291330,2ptp4l740699cyclictest20:47:593
7406993227,3cyclictest41-21ksoftirqd/319:47:313
7406993226,4cyclictest41-21ksoftirqd/321:27:463
7406993214,15cyclictest20473-21vmstat20:40:273
7406993211,18cyclictest26450-21cut20:55:173
740599328,23cyclictest26813-21kworker/2:023:04:052
7405993228,3cyclictest33-21ksoftirqd/222:00:132
7405993227,3cyclictest33-21ksoftirqd/222:31:472
7405993227,3cyclictest33-21ksoftirqd/222:18:032
7405993227,3cyclictest33-21ksoftirqd/221:41:272
7405993227,3cyclictest33-21ksoftirqd/221:10:072
7405993226,4cyclictest33-21ksoftirqd/223:30:362
7405993226,4cyclictest33-21ksoftirqd/219:39:452
7405993226,4cyclictest33-21ksoftirqd/219:16:382
7405993226,4cyclictest33-21ksoftirqd/200:30:582
7405993225,5cyclictest33-21ksoftirqd/221:18:302
740599321,8cyclictest14162-21apt-get22:45:122
7404993227,3cyclictest25-21ksoftirqd/122:55:141
7403993229,2cyclictest9-21ksoftirqd/023:20:140
7406993127,2cyclictest139291ptp4l22:57:283
7406993126,3cyclictest41-21ksoftirqd/323:11:443
7406993126,3cyclictest41-21ksoftirqd/322:10:053
7406993126,3cyclictest41-21ksoftirqd/300:30:253
7406993125,4cyclictest41-21ksoftirqd/323:48:343
7406993111,17cyclictest23508-21wc21:55:243
7406993110,18cyclictest30391-21cut19:55:203
7405993127,3cyclictest33-21ksoftirqd/223:25:012
7405993126,3cyclictest33-21ksoftirqd/221:28:222
7405993126,3cyclictest33-21ksoftirqd/221:08:242
7405993126,3cyclictest33-21ksoftirqd/220:32:332
7405993125,4cyclictest33-21ksoftirqd/200:17:302
740599311,17cyclictest26813-21kworker/2:022:40:332
7404993127,2cyclictest25-21ksoftirqd/100:25:261
7406993025,3cyclictest41-21ksoftirqd/323:40:353
7406993025,3cyclictest41-21ksoftirqd/322:46:273
7405993024,4cyclictest33-21ksoftirqd/222:56:262
7406992924,3cyclictest41-21ksoftirqd/300:04:503
7406992923,4cyclictest41-21ksoftirqd/323:21:103
740699271,7cyclictest1836-21apt-get20:05:113
740699266,3cyclictest19675-21tr19:35:143
7405992610,14cyclictest6437-21sed20:15:002
7406992419,3cyclictest41-21ksoftirqd/300:15:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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