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2026-08-30 - 10:32
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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 Sun Aug 30, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491214181,22phc2sys0-21swapper/319:09:133
135332204171,22sleep10-21swapper/119:09:551
133922202169,22sleep00-21swapper/019:08:060
135292201169,22sleep20-21swapper/219:09:532
525821830,7sleep01383299cyclictest23:20:230
525821830,7sleep01383299cyclictest23:20:230
1354028162,10sleep20-21swapper/219:10:002
139391790,1ptp4l391rcuc/320:50:193
139391790,1ptp4l391rcuc/320:50:193
13834997433,5cyclictest33-21ksoftirqd/220:40:002
139391730,1ptp4l391rcuc/320:35:243
13834996734,5cyclictest33-21ksoftirqd/200:10:002
13832996732,8cyclictest9-21ksoftirqd/022:05:140
13834996632,6cyclictest33-21ksoftirqd/220:00:232
13834996632,6cyclictest33-21ksoftirqd/220:00:232
13834996630,6cyclictest33-21ksoftirqd/220:40:152
13834996625,6cyclictest33-21ksoftirqd/223:50:122
13834996625,6cyclictest33-21ksoftirqd/223:50:122
13834996527,6cyclictest33-21ksoftirqd/222:30:002
1383599647,10cyclictest3296-21grep19:55:133
13834996431,5cyclictest33-21ksoftirqd/223:40:182
13834996429,7cyclictest33-21ksoftirqd/222:35:152
13834996426,5cyclictest33-21ksoftirqd/222:50:002
13832996460,2cyclictest111rcuc/023:10:120
1383599636,11cyclictest3267-21timerwakeupswit23:15:283
13834996330,10cyclictest33-21ksoftirqd/221:15:132
13834996329,11cyclictest33-21ksoftirqd/200:40:002
13834996327,6cyclictest33-21ksoftirqd/221:25:262
13832996327,4cyclictest9-21ksoftirqd/021:00:180
1383599627,11cyclictest2483-21awk21:00:173
13834996230,9cyclictest33-21ksoftirqd/220:55:152
13834996229,6cyclictest33-21ksoftirqd/223:25:002
13834996229,6cyclictest33-21ksoftirqd/223:25:002
13834996228,8cyclictest33-21ksoftirqd/220:10:012
13834996228,6cyclictest33-21ksoftirqd/220:15:142
13834996227,7cyclictest33-21ksoftirqd/219:55:262
13834996227,7cyclictest33-21ksoftirqd/200:25:002
13834996227,7cyclictest33-21ksoftirqd/200:25:002
13834996227,6cyclictest33-21ksoftirqd/200:10:232
13832996225,5cyclictest9-21ksoftirqd/020:30:240
134391620,5getstats1383599cyclictest00:26:583
1383599619,10cyclictest6268-21cut00:30:193
1383599618,10cyclictest17110-21latency_hist22:40:003
1383599617,19cyclictest14233-21ls22:30:273
1383599616,11cyclictest6572-21cpuspeed_turbos23:25:143
1383599614,17cyclictest0-21swapper/322:25:253
13834996130,5cyclictest33-21ksoftirqd/222:30:252
13834996129,4cyclictest33-21ksoftirqd/219:24:592
13834996129,4cyclictest33-21ksoftirqd/200:05:012
13834996128,6cyclictest33-21ksoftirqd/223:45:152
13834996128,6cyclictest33-21ksoftirqd/223:35:012
13834996128,10cyclictest33-21ksoftirqd/220:50:002
13834996127,7cyclictest33-21ksoftirqd/221:05:262
13834996127,6cyclictest33-21ksoftirqd/223:25:282
13834996127,6cyclictest33-21ksoftirqd/223:15:262
13834996127,6cyclictest33-21ksoftirqd/219:40:142
13834996126,6cyclictest33-21ksoftirqd/200:00:002
13832996130,6cyclictest9-21ksoftirqd/021:45:230
13832996129,6cyclictest9-21ksoftirqd/020:24:590
1383599606,11cyclictest2518-21gnome-shell22:50:243
1383599606,11cyclictest2518-21gnome-shell22:50:243
1383599605,10cyclictest0-21swapper/322:55:203
1383599604,11cyclictest0-21swapper/319:20:003
13835996011,9cyclictest26328-21fschecks_time21:50:163
13835996011,11cyclictest19064-21grep21:35:173
13835996010,10cyclictest8228-21tr20:05:133
13834996030,5cyclictest33-21ksoftirqd/220:30:162
13834996030,4cyclictest33-21ksoftirqd/219:25:142
13834996028,6cyclictest33-21ksoftirqd/221:10:262
13834996028,10cyclictest33-21ksoftirqd/200:35:012
13834996027,9cyclictest33-21ksoftirqd/219:15:172
13834996027,7cyclictest33-21ksoftirqd/222:55:002
13834996027,7cyclictest33-21ksoftirqd/222:55:002
13834996027,7cyclictest33-21ksoftirqd/220:20:122
13834996027,6cyclictest33-21ksoftirqd/223:05:012
13834996027,5cyclictest33-21ksoftirqd/221:40:002
13834996027,5cyclictest33-21ksoftirqd/200:25:232
13834996026,7cyclictest33-21ksoftirqd/223:35:132
13834996026,7cyclictest33-21ksoftirqd/221:00:152
13834996026,6cyclictest33-21ksoftirqd/220:25:132
13834996026,10cyclictest33-21ksoftirqd/222:45:012
13834996025,9cyclictest33-21ksoftirqd/221:40:152
13834996025,6cyclictest33-21ksoftirqd/221:20:222
13834996025,6cyclictest33-21ksoftirqd/221:20:222
1383399600,4cyclictest16790-21if_enp1s019:15:181
13832996028,4cyclictest9-21ksoftirqd/020:50:150
13832996028,4cyclictest9-21ksoftirqd/020:50:140
13832996025,9cyclictest9-21ksoftirqd/023:25:170
1383599599,8cyclictest7388-21sshd22:17:153
1383599598,12cyclictest19258-21cut23:50:173
1383599598,12cyclictest19258-21cut23:50:173
1383599598,11cyclictest19676-21sed19:20:213
1383599598,10cyclictest4415-21df_abs23:20:153
1383599598,10cyclictest4415-21df_abs23:20:153
1383599597,10cyclictest10070-21processes23:30:213
1383599596,10cyclictest13788-21/usr/sbin/munin21:25:133
1383599595,10cyclictest0-21swapper/321:45:153
1383599594,10cyclictest0-21swapper/319:40:203
13834995928,7cyclictest33-21ksoftirqd/200:20:002
13834995926,7cyclictest33-21ksoftirqd/220:50:262
13834995926,7cyclictest33-21ksoftirqd/220:50:252
13834995924,7cyclictest33-21ksoftirqd/222:15:252
13834995921,7cyclictest33-21ksoftirqd/219:35:132
13832995924,5cyclictest9-21ksoftirqd/021:15:150
1383599588,17cyclictest2248-21ls22:05:263
1383599588,12cyclictest19975-21bc20:30:113
1383599588,11cyclictest25925-21cat00:05:143
1383599588,10cyclictest866-21expr19:50:133
1383599586,12cyclictest0-21swapper/319:35:193
1383599585,18cyclictest0-21swapper/320:15:233
1383599585,15cyclictest0-21swapper/320:25:183
1383599585,10cyclictest2052-21switchtime00:20:243
1383599585,10cyclictest2052-21switchtime00:20:243
1383599584,11cyclictest0-21swapper/323:05:143
13834995828,9cyclictest33-21ksoftirqd/221:35:002
13834995828,11cyclictest33-21ksoftirqd/219:50:222
13834995827,6cyclictest33-21ksoftirqd/220:10:232
13834995827,4cyclictest33-21ksoftirqd/222:55:252
13834995827,4cyclictest33-21ksoftirqd/221:45:182
13834995825,5cyclictest33-21ksoftirqd/222:05:012
13834995823,7cyclictest33-21ksoftirqd/223:10:182
13834995822,6cyclictest33-21ksoftirqd/222:10:152
13832995831,9cyclictest9-21ksoftirqd/019:30:160
13832995831,9cyclictest9-21ksoftirqd/019:30:160
13832995823,6cyclictest9-21ksoftirqd/019:15:000
1383599579,10cyclictest30951-21sed22:00:133
1383599578,9cyclictest21340-21sed22:45:273
1383599578,16cyclictest12771-21sed23:35:263
1383599578,11cyclictest8348-21iwlist00:35:173
1383599577,9cyclictest15831-21if_enp4s020:20:173
1383599577,12cyclictest31557-21cut19:45:183
1383599577,11cyclictest7557-21cut21:10:203
1383599577,11cyclictest28278-21grep00:10:113
1383599577,11cyclictest16993-21sed23:45:223
1383599576,11cyclictest21005-21cpuspeed_turbos23:55:153
1383599575,11cyclictest0-21swapper/321:45:003
1383599574,17cyclictest0-21swapper/322:20:243
1383599574,17cyclictest0-21swapper/322:20:233
1383599573,11cyclictest0-21swapper/320:45:293
13832995729,4cyclictest9-21ksoftirqd/020:10:110
13832995720,6cyclictest9-21ksoftirqd/023:02:420
1383599568,12cyclictest25941-21grep20:40:223
1383599568,11cyclictest5387-21sed21:05:233
1383599568,11cyclictest29225-21wc21:55:213
1383599568,10cyclictest27955-21sed23:00:193
1383599567,11cyclictest9947-21cut21:15:183
1383599567,11cyclictest16415-21cstates21:30:143
1383599565,17cyclictest0-21swapper/322:10:193
13834995628,4cyclictest33-21ksoftirqd/219:45:262
13834995625,6cyclictest33-21ksoftirqd/222:00:002
13834995622,6cyclictest33-21ksoftirqd/223:05:262
13832995627,6cyclictest9-21ksoftirqd/022:45:190
13832995626,4cyclictest9-21ksoftirqd/023:40:140
1383599555,16cyclictest0-21swapper/320:55:053
1383599555,10cyclictest0-21swapper/321:25:003
1383599555,10cyclictest0-21swapper/321:25:003
13835995510,10cyclictest18697-21ptp4l-jitter22:40:253
13834995527,10cyclictest33-21ksoftirqd/221:50:132
13834995524,6cyclictest33-21ksoftirqd/222:20:132
13834995524,6cyclictest33-21ksoftirqd/222:20:132
1383399550,3cyclictest27836-21taskset21:53:041
13832995525,6cyclictest9-21ksoftirqd/020:40:160
13832995524,6cyclictest9-21ksoftirqd/022:00:120
1383299551,6cyclictest9-21ksoftirqd/019:55:000
1383599547,17cyclictest32391-21cut23:10:173
1383599547,11cyclictest21096-21cat19:25:123
1383599542,10cyclictest0-21swapper/300:00:183
13834995424,6cyclictest33-21ksoftirqd/219:30:162
13834995424,6cyclictest33-21ksoftirqd/219:30:152
13834995422,4cyclictest33-21ksoftirqd/222:05:152
1383599536,11cyclictest13975-21cpuspeed_turbos19:10:133
13835995310,10cyclictest10823-21df_abs20:10:133
1383599521,18cyclictest0-21swapper/300:18:503
1383299526,4cyclictest9-21ksoftirqd/020:50:000
13832995221,6cyclictest9-21ksoftirqd/021:53:100
13832995216,4cyclictest9-21ksoftirqd/021:30:170
1383599518,10cyclictest6108-21sed20:00:143
1383599518,10cyclictest6108-21sed20:00:133
1383599516,20cyclictest0-21swapper/319:30:283
1383599516,20cyclictest0-21swapper/319:30:273
1383299514,4cyclictest9-21ksoftirqd/020:20:010
1383299507,7cyclictest23641-21ptp4l20:35:220
1383299504,9cyclictest9-21ksoftirqd/023:15:210
1383299504,7cyclictest11931-21sed22:25:270
1383299503,5cyclictest9-21ksoftirqd/022:25:000
1383299503,5cyclictest9-21ksoftirqd/022:25:000
13832995022,8cyclictest9-21ksoftirqd/022:15:140
13832995022,6cyclictest9-21ksoftirqd/022:40:240
13832995018,5cyclictest9-21ksoftirqd/019:20:230
1383299501,6cyclictest9-21ksoftirqd/000:15:220
1383299496,5cyclictest9-21ksoftirqd/000:40:000
1383299493,5cyclictest9-21ksoftirqd/021:55:140
13832994931,8cyclictest9-21ksoftirqd/022:30:190
1383299492,8cyclictest121rcu_preempt21:25:210
13832994926,3cyclictest9-21ksoftirqd/021:22:200
13832994926,3cyclictest9-21ksoftirqd/021:22:190
1383299492,5cyclictest9-21ksoftirqd/000:25:280
13832994919,5cyclictest9-21ksoftirqd/022:10:200
1383299486,5cyclictest9-21ksoftirqd/020:55:250
1383299485,5cyclictest9-21ksoftirqd/020:25:130
1383299485,4cyclictest9-21ksoftirqd/019:40:130
1383299484,6cyclictest9-21ksoftirqd/000:30:140
1383299484,5cyclictest9-21ksoftirqd/000:10:000
1383299483,4cyclictest9-21ksoftirqd/019:45:270
13832994823,8cyclictest9-21ksoftirqd/020:05:190
1383299476,8cyclictest9-21ksoftirqd/019:35:150
1383299475,7cyclictest9-21ksoftirqd/021:15:000
1383299475,5cyclictest9-21ksoftirqd/019:15:260
1383299474,7cyclictest9-21ksoftirqd/021:40:160
1383299474,4cyclictest9-21ksoftirqd/019:30:010
1383299474,4cyclictest9-21ksoftirqd/000:00:240
1383299473,5cyclictest9-21ksoftirqd/021:05:230
1383299473,4cyclictest9-21ksoftirqd/022:35:130
13832994720,8cyclictest9-21ksoftirqd/021:35:230
1383299470,7cyclictest9-21ksoftirqd/023:45:230
1383299470,6cyclictest9-21ksoftirqd/023:05:230
1383399460,4cyclictest18302-21turbostat.cron21:35:011
1383399460,3cyclictest1307-21taskset23:14:241
1383299465,7cyclictest9-21ksoftirqd/023:35:130
1383299465,4cyclictest9-21ksoftirqd/023:30:120
1383299465,4cyclictest9-21ksoftirqd/022:50:270
1383299465,4cyclictest9-21ksoftirqd/022:50:270
1383299464,4cyclictest9-21ksoftirqd/000:10:250
1383299463,7cyclictest9-21ksoftirqd/019:55:220
1383299463,5cyclictest9-21ksoftirqd/023:50:010
1383299463,5cyclictest9-21ksoftirqd/023:50:010
1383399450,4cyclictest19703-21taskset20:29:451
1383399450,3cyclictest27683-21taskset19:38:011
1383299454,4cyclictest9-21ksoftirqd/020:00:000
1383299454,4cyclictest9-21ksoftirqd/020:00:000
1383299453,5cyclictest9-21ksoftirqd/022:55:130
1383299450,5cyclictest9-21ksoftirqd/000:20:230
1383299450,5cyclictest9-21ksoftirqd/000:20:230
1383399442,20cyclictest0-21swapper/100:03:111
1383299441,8cyclictest9-21ksoftirqd/023:55:270
1383599437,11cyclictest13927-21sed23:40:143
1383399430,3cyclictest7726-21taskset20:03:211
1383399430,3cyclictest7726-21taskset20:03:211
1383399430,3cyclictest32558-21taskset00:17:581
1383399430,3cyclictest27419-21taskset00:05:431
1383399411,2cyclictest24730-21apt-get20:40:111
1383399410,4cyclictest7478-21taskset22:18:231
1383399380,3cyclictest25522-21chrt21:48:451
1383399373,18cyclictest0-21swapper/122:25:261
13833993731,4cyclictest25-21ksoftirqd/119:57:401
1383399372,21cyclictest0-21swapper/119:14:561
13833993630,3cyclictest25-21ksoftirqd/119:33:341
13833993630,3cyclictest25-21ksoftirqd/119:33:331
13833993629,4cyclictest25-21ksoftirqd/121:38:101
1383399361,3cyclictest17042-21taskset22:39:131
1383399360,4cyclictest15487-21taskset23:42:241
1383399360,3cyclictest17203-21taskset20:23:031
1383399360,3cyclictest14690-21taskset20:16:331
1383399360,3cyclictest13163-21taskset23:38:191
13833993529,4cyclictest25-21ksoftirqd/123:50:001
13833993529,4cyclictest25-21ksoftirqd/123:25:341
13833993529,4cyclictest25-21ksoftirqd/122:49:511
13833993529,4cyclictest25-21ksoftirqd/122:01:291
13833993529,4cyclictest25-21ksoftirqd/121:10:551
13833993529,4cyclictest25-21ksoftirqd/120:59:581
13833993529,4cyclictest25-21ksoftirqd/120:46:521
13833993529,4cyclictest25-21ksoftirqd/100:23:421
13833993529,4cyclictest25-21ksoftirqd/100:23:421
1383399350,3cyclictest20478-21taskset23:53:001
1383399350,3cyclictest20478-21taskset23:52:591
13833993429,3cyclictest25-21ksoftirqd/123:57:421
13833993428,4cyclictest28338-21wc19:40:131
13833993428,4cyclictest25-21ksoftirqd/122:41:121
13833993428,4cyclictest25-21ksoftirqd/119:51:551
13833993428,4cyclictest25-21ksoftirqd/119:24:071
13833993428,4cyclictest25-21ksoftirqd/100:39:271
13833993427,5cyclictest25-21ksoftirqd/120:52:121
13833993427,5cyclictest25-21ksoftirqd/120:52:121
13833993427,4cyclictest25-21ksoftirqd/122:13:151
1383399340,3cyclictest24419-21taskset20:39:301
13833993327,4cyclictest25-21ksoftirqd/123:06:481
13833993327,4cyclictest25-21ksoftirqd/122:54:481
13833993327,4cyclictest25-21ksoftirqd/122:54:481
13833993327,4cyclictest25-21ksoftirqd/122:32:311
13833993327,4cyclictest25-21ksoftirqd/100:30:561
13833993327,3cyclictest25-21ksoftirqd/100:13:111
13833993326,4cyclictest25-21ksoftirqd/121:00:111
13833993227,3cyclictest25-21ksoftirqd/121:44:231
13833993226,4cyclictest25-21ksoftirqd/123:20:281
13833993226,4cyclictest25-21ksoftirqd/123:20:281
13833993226,4cyclictest25-21ksoftirqd/121:56:481
13833993226,4cyclictest25-21ksoftirqd/119:27:111
13833993225,4cyclictest25-21ksoftirqd/100:29:161
13833993213,16cyclictest1494-21sed22:05:191
1383399316,22cyclictest9951-21sed21:15:191
1383399316,22cyclictest5078-21cut21:05:191
13833993125,4cyclictest25-21ksoftirqd/121:21:411
13833993125,4cyclictest25-21ksoftirqd/121:21:411
13833993112,16cyclictest9072-21phc2sys22:20:231
13833993112,16cyclictest9072-21phc2sys22:20:221
13833993112,16cyclictest11081-21ls23:35:011
1383399310,4cyclictest2929-21grep23:15:241
13833993025,3cyclictest25-21ksoftirqd/119:47:281
1383399296,21cyclictest14532-21cut21:25:181
13833992924,3cyclictest25-21ksoftirqd/123:01:291
13833992822,4cyclictest25-21ksoftirqd/120:13:371
13833992812,14cyclictest10338-21latency_hist20:10:001
1383399278,16cyclictest24605-21grep22:55:131
13833992721,4cyclictest25-21ksoftirqd/120:33:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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