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2026-05-02 - 19:18
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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 Sat May 02, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491207171,25phc2sys0-21swapper/307:07:243
199422203171,21sleep20-21swapper/207:08:082
197542203171,21sleep10-21swapper/107:05:431
199402201168,22sleep00-21swapper/007:08:060
1477021780,5sleep12038799cyclictest10:20:141
139391690,1ptp4l391rcuc/308:50:213
20386996732,10cyclictest9-21ksoftirqd/010:45:010
20387996610,21cyclictest22524-21cpu09:30:141
20386996528,7cyclictest9-21ksoftirqd/009:00:140
2038799630,21cyclictest4642-21sed12:15:001
2038799630,21cyclictest26778-21df_abs10:45:151
20386996327,6cyclictest9-21ksoftirqd/010:20:190
181512630,1sleep20-21swapper/211:35:132
251672620,3sleep30-21swapper/309:35:153
20386996228,6cyclictest9-21ksoftirqd/007:40:010
20386996228,6cyclictest9-21ksoftirqd/007:40:000
20386996226,6cyclictest9-21ksoftirqd/009:35:140
2038799600,22cyclictest5225-21mailstats11:05:251
20386996026,6cyclictest9-21ksoftirqd/010:35:190
20386996026,3cyclictest9-21ksoftirqd/012:15:140
20386996025,6cyclictest9-21ksoftirqd/007:20:250
20386996023,5cyclictest9-21ksoftirqd/011:10:010
20386996023,5cyclictest9-21ksoftirqd/007:35:000
2038799590,21cyclictest6223-21timerwakeupswit10:00:251
20386995927,6cyclictest9-21ksoftirqd/008:10:200
20386995925,6cyclictest9-21ksoftirqd/007:55:260
20386995924,6cyclictest9-21ksoftirqd/010:25:140
20386995924,5cyclictest9-21ksoftirqd/007:40:180
2038799581,22cyclictest13798-21/usr/sbin/munin11:25:161
2038799580,23cyclictest24000-21dpkg10:40:011
2038799580,23cyclictest21846-21fschecks_time08:20:171
20386995827,6cyclictest9-21ksoftirqd/010:50:130
20386995825,7cyclictest9-21ksoftirqd/009:20:190
20386995825,6cyclictest9-21ksoftirqd/011:40:260
20386995825,6cyclictest9-21ksoftirqd/008:25:000
20386995824,6cyclictest9-21ksoftirqd/012:00:270
20386995824,5cyclictest9-21ksoftirqd/009:05:280
20388995727,3cyclictest33-21ksoftirqd/211:10:172
20388995727,3cyclictest33-21ksoftirqd/211:10:172
2038799570,22cyclictest6249-21ssh12:15:241
2038799570,20cyclictest32764-21ls10:55:251
2038799570,20cyclictest25692-21hwlatdetect07:20:171
20386995725,6cyclictest9-21ksoftirqd/009:10:270
20386995724,5cyclictest9-21ksoftirqd/009:40:150
20386995723,7cyclictest9-21ksoftirqd/011:55:000
20388995622,4cyclictest33-21ksoftirqd/211:03:532
2038799560,23cyclictest16532-21awk09:15:211
2038799560,20cyclictest22744-21ps10:35:231
20386995627,4cyclictest9-21ksoftirqd/010:55:130
20386995625,5cyclictest9-21ksoftirqd/010:45:270
20386995622,6cyclictest9-21ksoftirqd/012:30:220
20386995622,6cyclictest9-21ksoftirqd/012:10:200
20386995622,10cyclictest9-21ksoftirqd/011:55:130
20386995619,9cyclictest9-21ksoftirqd/011:20:160
300842550,2sleep10-21swapper/109:45:161
20387995512,24cyclictest21283-21cat08:20:011
2038799550,23cyclictest29651-21sshd07:29:541
2038799550,20cyclictest10816-21ps10:10:211
20386995522,6cyclictest9-21ksoftirqd/007:10:190
20388995421,4cyclictest33-21ksoftirqd/210:09:392
2038799540,22cyclictest4241-21taskset07:42:341
20386995425,9cyclictest9-21ksoftirqd/012:35:280
20386995422,11cyclictest9-21ksoftirqd/008:05:220
20386995421,5cyclictest9-21ksoftirqd/007:25:130
139391540,1ptp4l401ktimersoftd/310:39:543
20388995320,5cyclictest33-21ksoftirqd/209:55:162
2038799530,22cyclictest17769-21seq11:33:581
2038799530,18cyclictest875-21ls07:35:201
2038799530,18cyclictest875-21ls07:35:201
20386995321,5cyclictest9-21ksoftirqd/007:15:230
20388995220,5cyclictest33-21ksoftirqd/210:35:132
2038799520,24cyclictest11089-21sed07:55:261
2038699526,7cyclictest9-21ksoftirqd/009:20:010
2038699525,7cyclictest9-21ksoftirqd/009:30:150
20386995222,9cyclictest9-21ksoftirqd/009:30:010
20386995219,11cyclictest9-21ksoftirqd/008:30:200
20386995217,5cyclictest9-21ksoftirqd/011:10:140
20386995217,5cyclictest9-21ksoftirqd/011:10:140
20388995124,3cyclictest33-21ksoftirqd/208:05:212
20388995120,7cyclictest33-21ksoftirqd/210:26:072
20388995120,4cyclictest33-21ksoftirqd/212:19:572
20388995119,5cyclictest33-21ksoftirqd/209:50:232
20388995118,5cyclictest33-21ksoftirqd/211:51:282
2038799511,18cyclictest26124-21ps09:35:241
20386995121,5cyclictest9-21ksoftirqd/012:05:140
20386995118,11cyclictest9-21ksoftirqd/008:40:210
2038899506,8cyclictest33-21ksoftirqd/210:50:012
2038899503,5cyclictest33-21ksoftirqd/208:30:202
20388995025,5cyclictest33-21ksoftirqd/207:20:262
20388995019,5cyclictest33-21ksoftirqd/211:29:212
2038699506,6cyclictest9-21ksoftirqd/008:55:190
2038699502,7cyclictest9-21ksoftirqd/011:00:130
20386995017,5cyclictest9-21ksoftirqd/010:15:120
2038899492,6cyclictest33-21ksoftirqd/207:17:252
20388994916,7cyclictest33-21ksoftirqd/211:57:442
2038899490,5cyclictest321ktimersoftd/210:30:162
2038699491,9cyclictest9-21ksoftirqd/008:45:150
20386994916,4cyclictest9-21ksoftirqd/010:00:110
139391490,1ptp4l401ktimersoftd/309:55:443
2038899485,8cyclictest33-21ksoftirqd/211:05:192
2038899483,6cyclictest33-21ksoftirqd/212:35:202
2038899483,6cyclictest33-21ksoftirqd/209:05:242
2038899483,5cyclictest33-21ksoftirqd/211:20:192
2038899482,6cyclictest33-21ksoftirqd/208:35:162
2038899480,7cyclictest321ktimersoftd/208:25:152
20387994812,18cyclictest22756-21cat11:45:001
2038799480,22cyclictest15393-21awk08:05:251
2038699489,6cyclictest9-21ksoftirqd/011:30:120
2038699486,5cyclictest9-21ksoftirqd/012:20:210
2038699485,6cyclictest9-21ksoftirqd/011:18:100
2038699484,7cyclictest9-21ksoftirqd/007:45:150
2038699484,5cyclictest9-21ksoftirqd/011:35:250
2038699481,8cyclictest0-21swapper/007:50:190
2038899475,7cyclictest33-21ksoftirqd/211:40:152
2038899475,7cyclictest33-21ksoftirqd/208:02:322
2038899475,6cyclictest33-21ksoftirqd/208:10:142
2038899475,5cyclictest33-21ksoftirqd/209:25:142
2038899475,5cyclictest33-21ksoftirqd/209:15:162
2038899474,5cyclictest33-21ksoftirqd/212:25:182
2038899473,5cyclictest33-21ksoftirqd/212:10:162
2038899473,5cyclictest33-21ksoftirqd/212:08:202
20388994725,9cyclictest33-21ksoftirqd/209:35:012
2038699476,2cyclictest9-21ksoftirqd/008:50:170
2038699475,5cyclictest9-21ksoftirqd/008:00:140
2038699475,3cyclictest9-21ksoftirqd/008:15:140
2038699474,5cyclictest9-21ksoftirqd/009:50:190
2038699473,8cyclictest9-21ksoftirqd/009:55:120
20386994729,9cyclictest9-21ksoftirqd/012:25:230
2038899465,9cyclictest33-21ksoftirqd/208:45:142
2038899465,7cyclictest33-21ksoftirqd/210:50:182
2038899465,6cyclictest33-21ksoftirqd/210:40:172
2038899465,6cyclictest33-21ksoftirqd/207:50:162
2038899465,5cyclictest33-21ksoftirqd/210:55:132
20388994619,8cyclictest33-21ksoftirqd/208:40:232
20388994619,4cyclictest33-21ksoftirqd/210:00:182
2038799469,36cyclictest0-21swapper/107:16:531
2038699464,8cyclictest9-21ksoftirqd/008:35:220
2038699464,6cyclictest9-21ksoftirqd/010:30:160
20386994635,2cyclictest9-21ksoftirqd/011:25:240
139391460,1ptp4l401ktimersoftd/312:20:183
2038899455,8cyclictest33-21ksoftirqd/211:15:142
2038899455,7cyclictest33-21ksoftirqd/210:10:222
2038899455,6cyclictest33-21ksoftirqd/208:50:142
2038899455,5cyclictest33-21ksoftirqd/211:30:152
2038899455,5cyclictest33-21ksoftirqd/209:20:202
2038899455,5cyclictest33-21ksoftirqd/208:20:182
2038899455,5cyclictest33-21ksoftirqd/207:35:152
2038899455,5cyclictest33-21ksoftirqd/207:35:152
2038899453,4cyclictest33-21ksoftirqd/212:20:212
2038899451,7cyclictest33-21ksoftirqd/210:25:002
2038899450,6cyclictest321ktimersoftd/207:55:112
2038699454,2cyclictest9-21ksoftirqd/009:45:130
20386994515,6cyclictest9-21ksoftirqd/011:48:160
2038899445,7cyclictest33-21ksoftirqd/212:00:162
2038899445,7cyclictest33-21ksoftirqd/209:45:242
2038899445,7cyclictest33-21ksoftirqd/209:35:142
2038899445,7cyclictest33-21ksoftirqd/207:25:212
2038899445,5cyclictest33-21ksoftirqd/207:40:162
2038899445,5cyclictest33-21ksoftirqd/207:10:132
2038899444,7cyclictest33-21ksoftirqd/209:10:202
2038899444,5cyclictest33-21ksoftirqd/209:00:162
2038899443,6cyclictest33-21ksoftirqd/209:40:162
2038899442,5cyclictest33-21ksoftirqd/208:55:142
139391440,37ptp4l0-21swapper/307:10:003
2038899435,7cyclictest33-21ksoftirqd/207:45:132
2038899435,5cyclictest33-21ksoftirqd/211:45:262
2038799431,24cyclictest2017-21chrt12:09:121
2038799430,22cyclictest23928-21cpuspeed_turbos08:25:141
2038699431,8cyclictest9-21ksoftirqd/010:05:150
2038699430,5cyclictest9-21ksoftirqd/008:25:140
139391430,1ptp4l401ktimersoftd/307:48:593
139391430,0ptp4l401ktimersoftd/311:30:053
2038899425,6cyclictest33-21ksoftirqd/208:15:242
139391420,0ptp4l401ktimersoftd/311:45:143
139391420,0ptp4l401ktimersoftd/311:26:403
2038899414,6cyclictest33-21ksoftirqd/210:15:162
2038799411,23cyclictest31601-21cut08:40:181
20386994126,4cyclictest9-21ksoftirqd/010:10:110
139391410,0ptp4l401ktimersoftd/311:15:263
139391410,0ptp4l401ktimersoftd/308:15:133
134391410,2getstats0-21swapper/310:05:163
2038899405,7cyclictest33-21ksoftirqd/207:30:142
2038899403,4cyclictest33-21ksoftirqd/212:30:132
2038799402,25cyclictest10570-21grep09:05:141
2038799400,25cyclictest990-21sensors09:50:241
20387993934,3cyclictest25-21ksoftirqd/110:35:001
2038799391,25cyclictest0-21swapper/111:55:251
2038799391,25cyclictest0-21swapper/110:05:211
2038799390,24cyclictest12179-21df_abs12:30:141
139391390,1ptp4l391rcuc/309:40:153
20387993831,4cyclictest25-21ksoftirqd/108:45:581
2038799381,17cyclictest0-21swapper/111:35:251
2038799380,22cyclictest9319-21sed07:55:001
2038799380,22cyclictest13298-21date11:25:011
2038799380,22cyclictest1317-21runrttasks11:03:091
2038799380,21cyclictest12901-21cut10:15:191
20389993732,3cyclictest41-21ksoftirqd/309:50:113
2038799370,21cyclictest12689-21irqrtprio08:00:181
2038799370,18cyclictest0-21swapper/109:20:251
2038799365,29cyclictest0-21swapper/107:12:541
2038799360,18cyclictest0-21swapper/112:00:111
1393913624,5ptp4l41-21ksoftirqd/310:48:433
139391360,0ptp4l401ktimersoftd/311:10:253
139391360,0ptp4l401ktimersoftd/311:10:253
139391360,0ptp4l401ktimersoftd/307:45:003
20389993530,3cyclictest41-21ksoftirqd/309:18:543
20389993530,3cyclictest41-21ksoftirqd/308:20:213
20389993530,3cyclictest41-21ksoftirqd/307:20:113
20389993529,4cyclictest41-21ksoftirqd/312:05:133
20389993529,4cyclictest41-21ksoftirqd/311:41:483
20389993529,4cyclictest41-21ksoftirqd/307:54:173
20389993529,4cyclictest41-21ksoftirqd/307:27:023
2038799353,15cyclictest4693-21apt-get07:45:121
20387993529,4cyclictest25-21ksoftirqd/112:36:581
2038799351,18cyclictest0-21swapper/109:00:151
2038799351,16cyclictest0-21swapper/109:40:171
2038799350,20cyclictest9507-21apt-get12:25:111
20389993430,2cyclictest29748-21cpuspeed_turbos09:45:133
20389993429,3cyclictest41-21ksoftirqd/311:05:123
20389993428,4cyclictest41-21ksoftirqd/309:32:383
20389993428,4cyclictest41-21ksoftirqd/308:14:153
2038799341,18cyclictest0-21swapper/111:10:181
2038799341,18cyclictest0-21swapper/111:10:181
2038799340,24cyclictest30521-21chrt08:39:171
20389993329,3cyclictest41-21ksoftirqd/307:19:433
20389993327,4cyclictest41-21ksoftirqd/310:53:093
20389993327,4cyclictest41-21ksoftirqd/309:26:403
20389993327,4cyclictest41-21ksoftirqd/307:55:423
20387993327,4cyclictest25-21ksoftirqd/108:13:371
20387993327,4cyclictest25-21ksoftirqd/107:33:011
2038799331,17cyclictest22868-21apt-get11:45:111
2038799330,19cyclictest27902-21taskset08:31:001
139391330,0ptp4l401ktimersoftd/310:29:483
20389993227,3cyclictest41-21ksoftirqd/310:04:483
20389993226,4cyclictest41-21ksoftirqd/310:22:493
20389993226,4cyclictest41-21ksoftirqd/307:31:513
20387993226,3cyclictest25-21ksoftirqd/109:56:511
20387993213,16cyclictest31093-21grep10:55:001
20387993212,17cyclictest20745-21cat09:25:181
20389993126,3cyclictest41-21ksoftirqd/311:50:143
20389993126,3cyclictest41-21ksoftirqd/310:19:563
20389993126,3cyclictest41-21ksoftirqd/310:14:273
20389993125,4cyclictest41-21ksoftirqd/312:33:553
20387993125,4cyclictest25-21ksoftirqd/108:59:391
139391310,0ptp4l401ktimersoftd/308:55:163
20389993024,4cyclictest41-21ksoftirqd/312:37:123
20389993024,4cyclictest41-21ksoftirqd/311:22:063
20389993024,4cyclictest41-21ksoftirqd/309:05:583
20389993024,4cyclictest41-21ksoftirqd/307:37:123
20389993024,4cyclictest41-21ksoftirqd/307:37:123
20387993010,17cyclictest449-21dbus-daemon11:50:241
2038799300,16cyclictest0-21swapper/108:50:271
139391300,0ptp4l401ktimersoftd/308:42:343
139391300,0ptp4l401ktimersoftd/308:28:483
139391300,0ptp4l401ktimersoftd/308:03:443
20389992925,2cyclictest41-21ksoftirqd/311:02:413
20389992925,2cyclictest41-21ksoftirqd/310:58:073
20389992922,4cyclictest41-21ksoftirqd/309:24:163
20387992923,4cyclictest25-21ksoftirqd/112:20:521
139391290,0ptp4l401ktimersoftd/312:04:293
139391290,0ptp4l401ktimersoftd/308:35:083
20389992824,2cyclictest41-21ksoftirqd/310:41:233
20389992823,3cyclictest41-21ksoftirqd/312:13:583
20389992822,4cyclictest41-21ksoftirqd/308:32:253
2038799288,17cyclictest13926-21sed09:10:191
139391280,0ptp4l401ktimersoftd/309:14:383
20389992723,2cyclictest41-21ksoftirqd/312:25:203
2038799278,16cyclictest18216-21wc10:25:261
139391270,0ptp4l401ktimersoftd/312:17:263
20389992621,3cyclictest41-21ksoftirqd/310:34:533
20389992621,3cyclictest41-21ksoftirqd/309:02:163
2038799261,19cyclictest8555-21apt-get11:15:121
139391260,0ptp4l401ktimersoftd/311:55:033
139391260,0ptp4l401ktimersoftd/308:07:493
20389992520,3cyclictest41-21ksoftirqd/311:40:013
139391250,0ptp4l401ktimersoftd/308:47:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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