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2026-07-27 - 06:53
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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 rackdslot3.osadl.org (updated Mon Jul 27, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72522229163,21sleep20-21swapper/219:07:042
72522229163,21sleep20-21swapper/219:07:042
139491207173,23phc2sys0-21swapper/319:06:583
139491207173,23phc2sys0-21swapper/319:06:583
72412205171,22sleep10-21swapper/119:06:551
72412205171,22sleep10-21swapper/119:06:551
71222201168,22sleep00-21swapper/019:05:300
71222201168,22sleep00-21swapper/019:05:300
1410921630,7sleep0777199cyclictest22:45:140
3197921330,6sleep2777399cyclictest23:20:222
777199554,10cyclictest31131-21mailstats00:25:270
127162550,2sleep30-21swapper/322:40:233
777199546,14cyclictest898-21apt-get23:25:130
777199543,11cyclictest0-21swapper/021:45:280
145942540,7sleep2777399cyclictest23:50:272
186012530,2sleep00-21swapper/022:55:010
777199526,7cyclictest19869-21apt-get21:50:110
777199515,10cyclictest7958-21apt-get21:25:120
777199495,7cyclictest26040-21apt-get20:55:120
186702480,2sleep30-21swapper/300:00:223
777199466,7cyclictest32449-21hddtemp_smartct22:15:160
777199465,7cyclictest18588-21meminfo19:30:200
139391460,0ptp4l401ktimersoftd/320:05:173
777499451,34cyclictest0-21swapper/321:26:413
777199455,7cyclictest23453-21irqstats19:40:190
139391450,0ptp4l401ktimersoftd/322:10:033
777399446,36cyclictest6501-21turbostat22:30:002
777199445,7cyclictest6226-21iostat21:20:200
777199445,13cyclictest1405-21iostat21:10:180
139391440,0ptp4l401ktimersoftd/323:58:023
139391440,0ptp4l401ktimersoftd/319:57:253
777199436,8cyclictest12468-21iostat_ios20:25:180
777199435,7cyclictest24704-21memory20:50:220
139391430,1ptp4l14480-21if_enp1s022:45:173
139391420,0ptp4l401ktimersoftd/323:37:053
139391420,0ptp4l401ktimersoftd/320:25:193
7773994136,3cyclictest207-21systemd-journal22:55:002
7773994134,4cyclictest33-21ksoftirqd/200:01:032
7772994134,4cyclictest17373-21cron00:00:001
777199415,6cyclictest25604-21iostat00:15:180
777199406,8cyclictest23207-21runrttasks20:47:150
777499390,3cyclictest24728-21turbostat00:19:563
777499390,3cyclictest18197-21taskset22:52:293
139391390,32ptp4l0-21swapper/319:10:013
777299380,2cyclictest0-21swapper/100:30:431
7774993731,4cyclictest41-21ksoftirqd/320:58:093
7772993731,4cyclictest25-21ksoftirqd/123:12:351
7772993731,4cyclictest25-21ksoftirqd/121:57:371
7772993730,5cyclictest25-21ksoftirqd/122:30:001
7771993730,5cyclictest9-21ksoftirqd/020:40:010
7774993630,4cyclictest41-21ksoftirqd/323:53:453
7774993630,4cyclictest41-21ksoftirqd/321:11:173
7774993629,4cyclictest6475-21cron22:29:593
777499360,3cyclictest2933-21taskset23:28:003
7773993631,3cyclictest33-21ksoftirqd/222:00:002
7773993630,4cyclictest33-21ksoftirqd/220:07:062
777199364,7cyclictest5388-21meminfo22:25:210
57898360,5rtkit-daemon30521-21chrt21:04:400
7774993530,3cyclictest41-21ksoftirqd/320:30:113
7774993529,4cyclictest41-21ksoftirqd/323:41:173
7774993529,4cyclictest41-21ksoftirqd/322:01:393
7774993529,4cyclictest41-21ksoftirqd/320:23:273
7774993529,4cyclictest41-21ksoftirqd/319:35:333
7774993529,4cyclictest41-21ksoftirqd/300:26:053
7773993530,3cyclictest33-21ksoftirqd/200:10:132
7773993529,4cyclictest33-21ksoftirqd/219:34:122
7773993529,4cyclictest33-21ksoftirqd/219:27:262
7773993529,4cyclictest33-21ksoftirqd/219:12:262
7773993528,5cyclictest33-21ksoftirqd/220:33:132
7772993529,4cyclictest25-21ksoftirqd/123:49:291
7772993529,4cyclictest25-21ksoftirqd/123:04:321
7772993529,4cyclictest25-21ksoftirqd/122:51:371
7772993529,4cyclictest25-21ksoftirqd/120:00:111
7772993529,4cyclictest25-21ksoftirqd/119:34:351
7772993528,4cyclictest25-21ksoftirqd/119:55:531
7771993529,4cyclictest9-21ksoftirqd/020:17:350
7771993528,4cyclictest9-21ksoftirqd/023:30:310
7774993429,3cyclictest41-21ksoftirqd/321:50:113
7774993429,3cyclictest41-21ksoftirqd/300:36:093
7774993428,4cyclictest41-21ksoftirqd/323:14:333
7774993428,4cyclictest41-21ksoftirqd/321:03:073
7774993428,4cyclictest41-21ksoftirqd/319:50:343
7774993428,4cyclictest41-21ksoftirqd/319:49:333
7774993428,4cyclictest41-21ksoftirqd/319:26:473
7774993426,6cyclictest41-21ksoftirqd/321:46:323
777499340,4cyclictest5303-21taskset21:19:553
7773993429,3cyclictest33-21ksoftirqd/222:19:402
7773993428,4cyclictest33-21ksoftirqd/223:26:522
7773993428,4cyclictest33-21ksoftirqd/222:48:172
7773993428,4cyclictest33-21ksoftirqd/222:04:562
7773993428,4cyclictest33-21ksoftirqd/221:32:512
7773993428,4cyclictest33-21ksoftirqd/221:22:282
7773993428,4cyclictest33-21ksoftirqd/219:49:162
7773993427,4cyclictest23891-21systemctl19:40:242
7772993429,3cyclictest25-21ksoftirqd/120:58:521
7772993429,3cyclictest25-21ksoftirqd/120:54:261
7772993429,3cyclictest25-21ksoftirqd/119:18:221
7772993428,4cyclictest25-21ksoftirqd/122:41:221
7772993428,4cyclictest25-21ksoftirqd/122:22:201
7772993428,4cyclictest25-21ksoftirqd/120:28:591
7772993428,4cyclictest25-21ksoftirqd/119:45:061
7772993428,4cyclictest25-21ksoftirqd/100:21:591
7772993428,3cyclictest25-21ksoftirqd/120:15:131
7774993328,3cyclictest41-21ksoftirqd/321:58:083
7774993328,3cyclictest41-21ksoftirqd/321:39:103
7774993327,4cyclictest41-21ksoftirqd/321:24:053
7774993327,4cyclictest41-21ksoftirqd/320:53:003
7774993327,4cyclictest41-21ksoftirqd/300:10:063
7774993317,14cyclictest41-21ksoftirqd/320:10:443
777499330,3cyclictest207-21systemd-journal21:10:013
777499330,3cyclictest0-21swapper/322:20:133
7773993328,3cyclictest33-21ksoftirqd/223:55:482
7773993328,3cyclictest33-21ksoftirqd/220:55:112
7773993327,4cyclictest33-21ksoftirqd/223:43:532
7773993327,4cyclictest33-21ksoftirqd/223:01:532
7773993327,4cyclictest33-21ksoftirqd/222:37:272
7773993327,4cyclictest33-21ksoftirqd/221:15:462
7773993327,4cyclictest33-21ksoftirqd/221:07:592
7773993327,4cyclictest33-21ksoftirqd/220:29:522
7773993327,4cyclictest33-21ksoftirqd/219:50:092
7773993327,4cyclictest33-21ksoftirqd/219:37:212
7773993326,4cyclictest27101-21dump-pmu-power00:20:002
7772993327,4cyclictest25-21ksoftirqd/123:19:251
7772993327,4cyclictest25-21ksoftirqd/121:47:381
7772993327,4cyclictest25-21ksoftirqd/121:29:531
7772993327,4cyclictest25-21ksoftirqd/121:11:231
7772993327,4cyclictest25-21ksoftirqd/119:40:111
7772993327,4cyclictest25-21ksoftirqd/100:05:411
7772993326,5cyclictest25-21ksoftirqd/121:32:541
777199335,14cyclictest11547-21apt-get22:40:130
7771993327,4cyclictest9-21ksoftirqd/023:06:120
7771993327,4cyclictest9-21ksoftirqd/022:21:230
7771993327,4cyclictest9-21ksoftirqd/021:41:270
7771993327,4cyclictest9-21ksoftirqd/019:36:550
7774993227,3cyclictest41-21ksoftirqd/319:18:413
7774993226,4cyclictest41-21ksoftirqd/322:56:003
7774993226,4cyclictest41-21ksoftirqd/320:41:453
7773993227,3cyclictest33-21ksoftirqd/221:35:142
7773993227,3cyclictest33-21ksoftirqd/220:04:412
7773993226,4cyclictest33-21ksoftirqd/221:26:332
7773993226,3cyclictest33-21ksoftirqd/223:05:322
7772993227,3cyclictest25-21ksoftirqd/121:51:221
7772993227,3cyclictest25-21ksoftirqd/121:06:251
7772993227,3cyclictest25-21ksoftirqd/120:07:301
7772993227,3cyclictest25-21ksoftirqd/119:10:121
7772993226,4cyclictest25-21ksoftirqd/123:51:421
7772993226,4cyclictest25-21ksoftirqd/121:44:291
7772993226,4cyclictest25-21ksoftirqd/119:22:111
7772993226,3cyclictest25-21ksoftirqd/100:20:011
7772993225,4cyclictest25-21ksoftirqd/120:45:441
7771993226,4cyclictest9-21ksoftirqd/022:09:150
7771993226,4cyclictest9-21ksoftirqd/021:07:530
7771993226,4cyclictest9-21ksoftirqd/019:21:140
7771993226,4cyclictest9-21ksoftirqd/000:06:420
777199322,2cyclictest121rcu_preempt20:42:590
96032311,2sleep1121rcu_preempt23:40:281
7774993127,2cyclictest139391ptp4l23:20:283
7774993126,3cyclictest41-21ksoftirqd/300:34:293
7774993125,4cyclictest41-21ksoftirqd/321:31:433
7774993125,4cyclictest41-21ksoftirqd/320:37:003
7774993124,4cyclictest41-21ksoftirqd/300:20:213
777499311,3cyclictest0-21swapper/323:31:013
7774993113,16cyclictest1788-21dpkg20:05:003
777499310,4cyclictest24223-21cat23:05:193
7773993126,3cyclictest33-21ksoftirqd/223:47:102
7773993126,3cyclictest33-21ksoftirqd/223:20:002
7773993126,3cyclictest33-21ksoftirqd/222:43:262
7773993126,3cyclictest33-21ksoftirqd/222:05:022
7773993126,3cyclictest33-21ksoftirqd/220:18:022
7773993125,4cyclictest33-21ksoftirqd/200:06:482
7773993125,3cyclictest33-21ksoftirqd/220:39:132
7772993126,3cyclictest25-21ksoftirqd/121:24:341
7772993126,3cyclictest25-21ksoftirqd/119:37:051
7772993125,4cyclictest25-21ksoftirqd/122:57:291
7772993125,4cyclictest25-21ksoftirqd/122:46:551
7772993125,4cyclictest25-21ksoftirqd/100:11:081
777199315,15cyclictest7788-21/usr/sbin/munin19:10:210
7771993126,3cyclictest9-21ksoftirqd/000:05:010
7771993125,4cyclictest9-21ksoftirqd/021:34:330
7771993125,4cyclictest9-21ksoftirqd/019:48:460
7771993125,4cyclictest9-21ksoftirqd/000:39:310
7771993125,4cyclictest9-21ksoftirqd/000:22:210
7774993025,3cyclictest41-21ksoftirqd/323:01:443
7774993025,3cyclictest41-21ksoftirqd/300:07:373
7774993024,4cyclictest41-21ksoftirqd/322:18:373
7774993024,4cyclictest41-21ksoftirqd/319:23:023
7774993024,3cyclictest41-21ksoftirqd/320:15:043
7774993014,14cyclictest21291-21/usr/sbin/munin20:45:123
777499300,3cyclictest9085-21taskset22:35:093
777499300,3cyclictest29126-21apt22:10:013
777499300,3cyclictest19485-21chrt19:32:333
7773993025,3cyclictest33-21ksoftirqd/219:19:482
7773993024,4cyclictest33-21ksoftirqd/223:37:472
7773993024,4cyclictest33-21ksoftirqd/223:33:542
7773993024,4cyclictest33-21ksoftirqd/222:31:002
7773993024,4cyclictest33-21ksoftirqd/221:47:102
7773993024,3cyclictest33-21ksoftirqd/223:14:052
7772993025,3cyclictest25-21ksoftirqd/123:30:141
7772993024,4cyclictest25-21ksoftirqd/122:35:481
7772993024,4cyclictest25-21ksoftirqd/122:15:101
7772993024,4cyclictest25-21ksoftirqd/119:27:291
7771993025,3cyclictest9-21ksoftirqd/023:57:220
7771993025,3cyclictest9-21ksoftirqd/021:39:510
7771993025,3cyclictest9-21ksoftirqd/000:35:000
7771993024,4cyclictest9-21ksoftirqd/023:20:200
7771993024,4cyclictest9-21ksoftirqd/022:31:380
7771993024,4cyclictest9-21ksoftirqd/022:02:530
7771993024,4cyclictest9-21ksoftirqd/021:15:360
7771993024,4cyclictest9-21ksoftirqd/020:02:100
139391300,14ptp4l777499cyclictest22:31:143
777499296,19cyclictest23877-21wc19:40:243
777499290,3cyclictest16919-21taskset21:40:513
7773992924,3cyclictest33-21ksoftirqd/220:40:412
7773992924,3cyclictest33-21ksoftirqd/219:22:492
7773992924,3cyclictest33-21ksoftirqd/200:35:232
7773992923,4cyclictest33-21ksoftirqd/221:40:292
7773992923,4cyclictest33-21ksoftirqd/220:12:232
7772992924,3cyclictest25-21ksoftirqd/122:02:371
7772992924,3cyclictest25-21ksoftirqd/100:40:001
7772992923,4cyclictest25-21ksoftirqd/123:28:391
7772992923,4cyclictest25-21ksoftirqd/122:30:171
7772992923,4cyclictest25-21ksoftirqd/121:35:581
7772992923,4cyclictest25-21ksoftirqd/121:15:491
7772992923,4cyclictest25-21ksoftirqd/121:00:281
7771992924,3cyclictest9-21ksoftirqd/019:59:290
7771992923,4cyclictest9-21ksoftirqd/023:48:430
7771992923,4cyclictest9-21ksoftirqd/022:35:550
7771992923,4cyclictest9-21ksoftirqd/020:09:040
7771992923,4cyclictest9-21ksoftirqd/019:50:040
777499287,19cyclictest29141-21if_enp4s023:15:173
777499285,20cyclictest10647-21cpuspeed_turbos23:45:143
7773992823,3cyclictest33-21ksoftirqd/222:58:252
7773992823,3cyclictest33-21ksoftirqd/220:50:542
7773992823,3cyclictest33-21ksoftirqd/220:24:142
7773992823,3cyclictest33-21ksoftirqd/200:31:012
7772992823,3cyclictest25-21ksoftirqd/123:05:521
7772992823,3cyclictest25-21ksoftirqd/122:07:311
7772992823,3cyclictest25-21ksoftirqd/100:28:581
7772992822,4cyclictest25-21ksoftirqd/120:33:041
7772992822,4cyclictest25-21ksoftirqd/120:10:371
777199284,13cyclictest28559-21apt-get23:15:110
7771992823,3cyclictest9-21ksoftirqd/020:11:530
7771992822,4cyclictest9-21ksoftirqd/022:58:500
7773992722,3cyclictest33-21ksoftirqd/222:23:572
7773992722,3cyclictest33-21ksoftirqd/222:10:492
7773992721,4cyclictest33-21ksoftirqd/200:27:142
7772992722,3cyclictest25-21ksoftirqd/120:20:101
7771992722,3cyclictest9-21ksoftirqd/023:43:470
7771992722,3cyclictest9-21ksoftirqd/020:25:000
7771992722,3cyclictest9-21ksoftirqd/000:12:270
7771992721,4cyclictest9-21ksoftirqd/022:11:080
7773992622,3cyclictest33-21ksoftirqd/221:50:152
7773992621,3cyclictest33-21ksoftirqd/220:48:002
7773992620,4cyclictest33-21ksoftirqd/219:59:312
7772992621,3cyclictest25-21ksoftirqd/123:24:171
7772992621,3cyclictest25-21ksoftirqd/100:01:401
7772992620,4cyclictest25-21ksoftirqd/122:10:331
777199262,9cyclictest0-21swapper/019:25:190
7771992621,3cyclictest9-21ksoftirqd/023:00:110
7771992620,4cyclictest9-21ksoftirqd/020:31:110
7773992519,4cyclictest33-21ksoftirqd/200:21:352
777199253,7cyclictest12889-21apt-get23:50:110
7771992519,4cyclictest9-21ksoftirqd/023:39:180
7772992418,4cyclictest25-21ksoftirqd/123:37:541
7771992419,3cyclictest9-21ksoftirqd/019:19:140
7772992318,3cyclictest25-21ksoftirqd/120:39:141
7771992211,8cyclictest22895-21ps21:55:180
7773992117,3cyclictest33-21ksoftirqd/221:00:172
7772992116,3cyclictest25-21ksoftirqd/120:41:231
777199217,11cyclictest27873-21tail23:10:260
7772991914,3cyclictest28487-21pluginstate19:50:231
7773991811,4cyclictest1937-21open_files21:10:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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