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2026-06-29 - 14:19
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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 Mon Jun 29, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299082237171,22sleep00-21swapper/019:07:170
279022207174,22sleep20-21swapper/219:05:012
139591206173,22phc2sys0-21swapper/319:05:083
298892205171,22sleep10-21swapper/119:07:021
3012728463,11sleep30-21swapper/319:10:013
30419996128,6cyclictest9-21ksoftirqd/021:00:160
242562580,8sleep03041999cyclictest23:25:240
260332570,3sleep00-21swapper/000:35:270
135191550,2getstats0-21swapper/300:05:013
135191550,2getstats0-21swapper/300:05:003
3041999502,6cyclictest9-21ksoftirqd/019:40:000
3041999497,5cyclictest9-21ksoftirqd/020:35:130
3041999493,4cyclictest9-21ksoftirqd/020:15:210
30420994841,4cyclictest26393-21wc20:10:011
197422480,1sleep30-21swapper/323:15:273
3041999473,6cyclictest9-21ksoftirqd/021:50:130
139291470,1ptp4l401ktimersoftd/321:08:053
139291470,1ptp4l391rcuc/322:45:553
105082470,1sleep10-21swapper/121:50:171
30419994640,3cyclictest19226-21cat19:55:000
3041999460,6cyclictest9-21ksoftirqd/022:05:250
30421994540,3cyclictest27531-21cron21:19:592
3041999452,5cyclictest9-21ksoftirqd/021:31:330
135191450,1getstats0-21swapper/323:00:013
3041999443,6cyclictest9-21ksoftirqd/023:40:240
30419994430,6cyclictest9-21ksoftirqd/000:20:230
30422994326,14cyclictest41-21ksoftirqd/300:13:583
3041999433,6cyclictest9-21ksoftirqd/021:25:000
3041999430,5cyclictest344-21/usr/sbin/munin19:15:120
139291430,0ptp4l401ktimersoftd/321:45:193
139291430,0ptp4l401ktimersoftd/320:11:263
30422994228,12cyclictest41-21ksoftirqd/323:55:113
3042299421,39cyclictest29843-21turbostat.cron23:40:003
3042299420,40cyclictest29917-21cron21:25:003
3041999422,6cyclictest9-21ksoftirqd/023:10:260
3041999422,6cyclictest9-21ksoftirqd/022:25:230
3041999420,6cyclictest19522-21/usr/sbin/munin00:25:230
3041999420,6cyclictest101ktimersoftd/022:45:170
139291420,0ptp4l401ktimersoftd/320:20:233
41298410,4rtkit-daemon27832-21grep20:10:241
3042099411,2cyclictest121rcu_preempt19:47:271
3041999411,5cyclictest9-21ksoftirqd/019:55:180
185702410,1sleep10-21swapper/119:50:261
3041999405,6cyclictest9-21ksoftirqd/019:10:260
3041999402,5cyclictest9-21ksoftirqd/022:50:260
30419994025,6cyclictest9-21ksoftirqd/022:00:290
30419994024,5cyclictest9-21ksoftirqd/019:45:170
30419994019,10cyclictest9-21ksoftirqd/021:59:550
30420993911,26cyclictest0-21swapper/120:27:061
3041999393,5cyclictest9-21ksoftirqd/021:20:230
139291390,0ptp4l401ktimersoftd/320:50:313
30422993833,3cyclictest41-21ksoftirqd/321:55:003
30422993832,4cyclictest41-21ksoftirqd/323:42:273
30422993832,4cyclictest41-21ksoftirqd/323:04:333
30422993832,4cyclictest41-21ksoftirqd/300:23:283
30422993825,11cyclictest41-21ksoftirqd/323:07:493
30421993832,4cyclictest33-21ksoftirqd/223:59:362
30421993832,4cyclictest33-21ksoftirqd/219:19:182
30421993831,5cyclictest33-21ksoftirqd/223:12:142
30420993819,16cyclictest25-21ksoftirqd/119:24:591
3041999385,5cyclictest9-21ksoftirqd/023:45:200
30419993832,3cyclictest9-21ksoftirqd/021:40:140
30419993831,4cyclictest9-21ksoftirqd/020:40:320
135191380,1getstats19403-1kworker/3:1H00:40:003
30422993731,4cyclictest41-21ksoftirqd/322:38:373
30422993731,4cyclictest41-21ksoftirqd/322:10:373
30422993731,4cyclictest41-21ksoftirqd/322:08:483
30422993731,4cyclictest41-21ksoftirqd/321:43:053
30422993731,4cyclictest41-21ksoftirqd/320:26:303
30422993731,4cyclictest41-21ksoftirqd/319:34:393
30422993731,4cyclictest41-21ksoftirqd/319:25:333
30421993732,3cyclictest33-21ksoftirqd/220:20:002
30421993731,4cyclictest33-21ksoftirqd/220:01:242
30421993731,4cyclictest33-21ksoftirqd/219:49:592
30421993731,4cyclictest33-21ksoftirqd/219:40:522
30420993715,20cyclictest1-21systemd00:11:271
3041999374,7cyclictest9-21ksoftirqd/023:30:300
30419993732,3cyclictest9-21ksoftirqd/019:20:270
30419993732,3cyclictest9-21ksoftirqd/000:30:110
30419993723,6cyclictest9-21ksoftirqd/020:45:230
30419993722,5cyclictest9-21ksoftirqd/023:15:270
30419993722,5cyclictest9-21ksoftirqd/022:55:220
30419993721,6cyclictest9-21ksoftirqd/021:15:210
30422993631,3cyclictest41-21ksoftirqd/323:52:463
30422993631,3cyclictest41-21ksoftirqd/322:21:103
30422993631,3cyclictest41-21ksoftirqd/320:05:323
30422993631,3cyclictest41-21ksoftirqd/319:18:223
30422993631,3cyclictest41-21ksoftirqd/300:30:123
30422993630,4cyclictest41-21ksoftirqd/321:30:043
30422993630,4cyclictest41-21ksoftirqd/320:04:443
30422993630,4cyclictest41-21ksoftirqd/319:48:553
30422993630,4cyclictest41-21ksoftirqd/300:28:043
30421993630,4cyclictest33-21ksoftirqd/223:36:212
30421993630,4cyclictest33-21ksoftirqd/223:25:502
30421993630,4cyclictest33-21ksoftirqd/219:25:002
30420993631,3cyclictest25-21ksoftirqd/119:55:151
30420993630,4cyclictest25-21ksoftirqd/123:49:351
30420993630,4cyclictest25-21ksoftirqd/123:36:431
30420993630,4cyclictest25-21ksoftirqd/123:21:551
30420993630,4cyclictest25-21ksoftirqd/120:03:341
30420993630,4cyclictest25-21ksoftirqd/100:27:381
30420993614,19cyclictest9792-21processes20:40:211
30420993612,21cyclictest7511-21mailstats20:35:251
30420993612,21cyclictest30833-21grep22:30:281
3041999363,5cyclictest9-21ksoftirqd/020:12:440
30419993634,1cyclictest111rcuc/000:14:560
30419993631,3cyclictest9-21ksoftirqd/023:00:140
30422993530,3cyclictest41-21ksoftirqd/322:53:223
30422993530,3cyclictest41-21ksoftirqd/320:59:113
30422993530,3cyclictest41-21ksoftirqd/320:48:053
30422993530,3cyclictest41-21ksoftirqd/320:19:033
30422993530,3cyclictest41-21ksoftirqd/319:50:053
30422993529,4cyclictest41-21ksoftirqd/322:41:183
30422993529,4cyclictest41-21ksoftirqd/321:27:443
30421993531,2cyclictest33-21ksoftirqd/200:10:252
30421993530,3cyclictest33-21ksoftirqd/221:30:262
30421993530,3cyclictest33-21ksoftirqd/221:08:302
30421993529,4cyclictest33-21ksoftirqd/222:29:332
30421993529,4cyclictest33-21ksoftirqd/222:22:072
30421993529,4cyclictest33-21ksoftirqd/222:18:252
30421993529,4cyclictest33-21ksoftirqd/221:37:582
30421993529,4cyclictest33-21ksoftirqd/220:27:492
30421993521,12cyclictest33-21ksoftirqd/223:25:002
30421993521,12cyclictest33-21ksoftirqd/222:15:002
30420993530,3cyclictest25-21ksoftirqd/121:40:141
30420993529,4cyclictest25-21ksoftirqd/123:58:091
30420993529,4cyclictest25-21ksoftirqd/122:51:501
30420993513,20cyclictest16813-21turbostat22:05:001
30420993512,20cyclictest824-21cut21:30:161
30420993510,22cyclictest27478-21latency_hist23:35:001
3041999355,8cyclictest9-21ksoftirqd/019:30:200
3041999354,8cyclictest9-21ksoftirqd/000:16:260
3041999353,7cyclictest9-21ksoftirqd/022:41:260
30419993532,2cyclictest9-21ksoftirqd/021:05:160
30419993531,3cyclictest9-21ksoftirqd/023:50:180
30419993531,2cyclictest9-21ksoftirqd/022:20:160
30419993531,2cyclictest111rcuc/020:01:340
30419993530,3cyclictest9-21ksoftirqd/021:45:160
30419993530,3cyclictest9-21ksoftirqd/021:10:220
30419993530,3cyclictest9-21ksoftirqd/020:50:160
30419993528,4cyclictest9-21ksoftirqd/019:25:580
3041999352,6cyclictest9-21ksoftirqd/020:55:130
3041999352,5cyclictest9-21ksoftirqd/021:35:270
3041999351,5cyclictest9-21ksoftirqd/022:10:270
30422993429,3cyclictest41-21ksoftirqd/321:03:593
30422993428,4cyclictest41-21ksoftirqd/323:12:583
30422993428,4cyclictest41-21ksoftirqd/320:31:323
30422993428,4cyclictest41-21ksoftirqd/319:56:263
30422993411,20cyclictest27714-21cut21:20:003
30421993429,3cyclictest33-21ksoftirqd/222:34:522
30421993429,3cyclictest33-21ksoftirqd/221:51:572
30421993429,3cyclictest33-21ksoftirqd/221:48:052
30421993429,3cyclictest33-21ksoftirqd/220:38:232
30421993429,3cyclictest33-21ksoftirqd/200:23:112
30421993428,4cyclictest33-21ksoftirqd/223:40:382
30421993428,4cyclictest33-21ksoftirqd/222:56:442
30421993428,4cyclictest33-21ksoftirqd/221:02:042
30421993428,4cyclictest33-21ksoftirqd/220:50:402
30421993428,4cyclictest33-21ksoftirqd/220:32:262
30421993428,4cyclictest33-21ksoftirqd/219:10:072
30421993428,4cyclictest33-21ksoftirqd/200:18:292
30420993429,3cyclictest25-21ksoftirqd/123:15:091
30420993429,3cyclictest25-21ksoftirqd/122:10:111
30420993428,4cyclictest25-21ksoftirqd/121:18:001
30420993428,4cyclictest25-21ksoftirqd/119:12:031
3042099341,4cyclictest0-21swapper/123:25:111
30420993413,18cyclictest13819-21sh23:05:151
30420993410,21cyclictest4356-21timerwakeupswit21:35:251
30419993430,3cyclictest9-21ksoftirqd/019:40:230
30419993430,3cyclictest9-21ksoftirqd/000:10:000
30419993430,2cyclictest9-21ksoftirqd/022:30:010
30419993430,2cyclictest9-21ksoftirqd/022:15:280
30419993429,3cyclictest9-21ksoftirqd/020:25:190
3041999342,8cyclictest9-21ksoftirqd/020:20:260
30419993428,3cyclictest9-21ksoftirqd/023:56:290
30419993427,4cyclictest9-21ksoftirqd/020:05:520
3041999342,6cyclictest9-21ksoftirqd/023:38:130
30422993328,3cyclictest41-21ksoftirqd/323:30:393
30422993328,3cyclictest41-21ksoftirqd/321:35:543
30422993328,3cyclictest41-21ksoftirqd/300:20:003
30422993328,3cyclictest41-21ksoftirqd/300:05:593
30422993327,4cyclictest41-21ksoftirqd/323:45:323
30422993327,4cyclictest41-21ksoftirqd/322:32:193
30422993327,4cyclictest41-21ksoftirqd/322:19:143
30422993327,4cyclictest41-21ksoftirqd/320:35:483
30422993327,4cyclictest41-21ksoftirqd/319:41:043
30422993327,4cyclictest41-21ksoftirqd/319:37:483
30422993327,4cyclictest41-21ksoftirqd/319:20:503
30421993329,3cyclictest33-21ksoftirqd/219:55:122
30421993328,3cyclictest33-21ksoftirqd/221:43:592
30421993328,3cyclictest33-21ksoftirqd/220:21:102
30421993328,3cyclictest33-21ksoftirqd/220:10:392
30421993327,4cyclictest33-21ksoftirqd/222:54:372
30421993327,4cyclictest33-21ksoftirqd/219:38:482
30421993327,4cyclictest33-21ksoftirqd/200:30:482
30421993327,4cyclictest33-21ksoftirqd/200:26:352
3042099333,5cyclictest9969-21apt-get19:35:141
30420993328,3cyclictest25-21ksoftirqd/122:58:031
30420993328,3cyclictest25-21ksoftirqd/120:54:141
3042099332,7cyclictest30108-21taskset23:40:121
30420993327,4cyclictest25-21ksoftirqd/122:07:261
30420993327,4cyclictest25-21ksoftirqd/120:57:421
30420993327,4cyclictest25-21ksoftirqd/120:46:271
3042099332,5cyclictest0-21swapper/119:30:131
30420993313,17cyclictest11965-21latency_hist00:10:011
30420993312,18cyclictest26967-21entropy22:25:151
3042099331,16cyclictest32043-21iostat20:20:191
30419993330,2cyclictest111rcuc/022:37:180
30419993329,3cyclictest9-21ksoftirqd/023:25:010
30419993327,4cyclictest9-21ksoftirqd/020:31:560
3041999332,4cyclictest9-21ksoftirqd/023:05:120
30422993227,3cyclictest41-21ksoftirqd/323:23:213
30422993227,3cyclictest41-21ksoftirqd/322:01:083
30422993227,3cyclictest41-21ksoftirqd/321:58:043
30422993226,4cyclictest41-21ksoftirqd/323:29:593
30422993226,4cyclictest41-21ksoftirqd/322:29:013
30421993227,3cyclictest33-21ksoftirqd/223:47:342
30421993227,3cyclictest33-21ksoftirqd/220:45:042
30421993227,3cyclictest33-21ksoftirqd/200:40:002
30421993226,4cyclictest33-21ksoftirqd/223:02:102
30421993226,4cyclictest33-21ksoftirqd/200:06:132
30421993226,4cyclictest33-21ksoftirqd/200:04:362
30421993226,4cyclictest33-21ksoftirqd/200:04:362
3042099329,3cyclictest31080-21sed21:25:221
3042099322,9cyclictest21091-21tune2fs21:05:161
30420993227,3cyclictest25-21ksoftirqd/100:03:301
30420993227,3cyclictest25-21ksoftirqd/100:03:291
30420993226,4cyclictest25-21ksoftirqd/122:23:421
30420993226,4cyclictest25-21ksoftirqd/121:12:011
30420993226,3cyclictest25-21ksoftirqd/121:45:471
3042099322,5cyclictest0-21swapper/120:30:121
30420993213,16cyclictest305-21proc_pri22:35:251
30420993210,19cyclictest21839-21cat22:15:141
30419993228,2cyclictest9-21ksoftirqd/000:00:280
30419993228,2cyclictest9-21ksoftirqd/000:00:270
30422993126,3cyclictest41-21ksoftirqd/320:42:253
30422993125,4cyclictest41-21ksoftirqd/321:11:363
30421993127,3cyclictest33-21ksoftirqd/222:47:272
30421993126,3cyclictest33-21ksoftirqd/222:41:162
30421993126,3cyclictest33-21ksoftirqd/220:44:312
30421993125,4cyclictest33-21ksoftirqd/221:20:442
3042099312,7cyclictest27806-21apt-get21:20:141
30420993126,3cyclictest25-21ksoftirqd/121:55:571
30420993126,3cyclictest25-21ksoftirqd/120:17:451
30420993124,4cyclictest25-21ksoftirqd/123:10:391
30420993124,4cyclictest25-21ksoftirqd/100:16:591
30420993110,18cyclictest1817-21df_abs22:40:151
30421993025,3cyclictest33-21ksoftirqd/223:32:132
30421993025,3cyclictest33-21ksoftirqd/223:18:232
30421993025,3cyclictest33-21ksoftirqd/223:08:472
30421993025,3cyclictest33-21ksoftirqd/221:14:382
30421993024,4cyclictest33-21ksoftirqd/222:00:572
30421993024,4cyclictest33-21ksoftirqd/221:56:362
3042099309,3cyclictest12357-21ptp4l23:00:251
30420993025,3cyclictest25-21ksoftirqd/123:53:271
30420993025,3cyclictest25-21ksoftirqd/119:28:311
30420993024,4cyclictest25-21ksoftirqd/121:00:381
3042099300,8cyclictest679-21df_abs19:15:141
30421992924,3cyclictest33-21ksoftirqd/220:06:502
30421992924,3cyclictest33-21ksoftirqd/219:31:582
30421992923,4cyclictest33-21ksoftirqd/221:29:232
30420992924,3cyclictest25-21ksoftirqd/122:46:111
30421992823,3cyclictest33-21ksoftirqd/223:51:012
30421992823,3cyclictest33-21ksoftirqd/220:56:462
30421992823,3cyclictest33-21ksoftirqd/219:51:152
30421992822,4cyclictest33-21ksoftirqd/222:07:282
3042099283,6cyclictest24533-21apt-get00:35:151
30420992823,3cyclictest25-21ksoftirqd/119:40:031
3042099274,4cyclictest23144-21grep00:30:241
30421992620,4cyclictest33-21ksoftirqd/219:28:202
30420992620,4cyclictest25-21ksoftirqd/100:22:121
30421992217,3cyclictest33-21ksoftirqd/222:40:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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