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2026-09-19 - 11:04
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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 all highest latencies:
System rack7slot1.osadl.org (updated Sat Sep 19, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4817213069,21sleep30-21swapper/319:07:263
1974521300,0sleep227185-21stress22:05:132
4905211452,57sleep00-21swapper/019:08:320
4912211353,20sleep20-21swapper/219:08:382
4653210950,20sleep10-21swapper/119:05:271
103912450,1sleep027183-21stress21:44:150
68512440,1sleep027183-21stress22:46:200
5129994115,23cyclictest0-21swapper/323:50:343
512999403,34cyclictest27183-21stress23:38:213
512999403,34cyclictest27183-21stress23:38:203
5127994010,27cyclictest0-21swapper/100:31:551
5126994010,23cyclictest0-21swapper/019:25:180
512999393,33cyclictest27185-21stress00:30:333
5127993915,14cyclictest0-21swapper/121:53:321
5127993911,25cyclictest0-21swapper/122:24:011
512699395,18cyclictest0-21swapper/020:25:370
5126993919,13cyclictest0-21swapper/021:00:410
5126993910,19cyclictest0-21swapper/019:11:250
512999383,32cyclictest27183-21stress23:30:243
512999383,32cyclictest27183-21stress23:16:223
512999383,32cyclictest27183-21stress22:20:343
512999382,33cyclictest27185-21stress00:35:243
5129993815,21cyclictest0-21swapper/321:31:233
5129993813,23cyclictest0-21swapper/322:05:263
5127993812,23cyclictest0-21swapper/123:30:081
5127993811,24cyclictest0-21swapper/122:55:311
5127993810,18cyclictest0-21swapper/123:08:421
5127993810,18cyclictest0-21swapper/123:08:421
301242385,14sleep20-21swapper/220:01:472
512999373,31cyclictest27183-21stress21:27:533
512999373,31cyclictest27183-21stress00:15:313
512999372,32cyclictest27185-21stress23:10:143
512999372,32cyclictest27183-21stress21:10:303
512999372,32cyclictest27183-21stress21:10:303
5129993717,18cyclictest0-21swapper/322:25:333
5129993717,18cyclictest0-21swapper/321:40:223
5129993715,20cyclictest0-21swapper/323:05:133
5129993715,20cyclictest0-21swapper/323:05:123
5128993711,23cyclictest0-21swapper/200:10:242
5128993711,23cyclictest0-21swapper/200:10:232
512799379,19cyclictest0-21swapper/100:29:361
512799378,27cyclictest0-21swapper/123:28:011
5127993711,23cyclictest0-21swapper/123:46:521
5127993711,23cyclictest0-21swapper/122:41:181
5127993711,23cyclictest0-21swapper/122:41:181
5127993711,23cyclictest0-21swapper/122:02:231
5127993711,16cyclictest0-21swapper/122:30:371
512699379,21cyclictest0-21swapper/020:00:120
5126993711,21cyclictest0-21swapper/019:45:220
5126993710,21cyclictest0-21swapper/020:40:220
246232375,14sleep10-21swapper/121:01:531
179732375,14sleep20-21swapper/220:46:502
77712365,13sleep20-21swapper/220:25:132
512999363,30cyclictest27185-21stress23:25:223
512999363,30cyclictest27185-21stress22:55:163
512999363,30cyclictest27185-21stress21:20:023
512999363,30cyclictest27183-21stress22:10:123
512999363,30cyclictest27183-21stress22:10:123
512999362,31cyclictest27183-21stress23:40:293
512999362,31cyclictest27183-21stress23:40:293
512999362,31cyclictest27183-21stress00:10:143
512999362,31cyclictest27183-21stress00:10:143
512999362,31cyclictest27183-21stress00:07:473
5129993618,16cyclictest0-21swapper/322:15:243
5129993615,19cyclictest0-21swapper/322:35:173
5129993615,19cyclictest0-21swapper/321:48:413
5129993615,18cyclictest0-21swapper/321:55:033
5129993614,19cyclictest0-21swapper/321:15:203
5129993614,19cyclictest0-21swapper/321:15:203
5128993611,22cyclictest0-21swapper/222:00:192
512799366,24cyclictest0-21swapper/120:15:061
512799366,24cyclictest0-21swapper/120:15:061
5127993615,19cyclictest0-21swapper/123:55:451
5127993614,19cyclictest0-21swapper/122:11:241
5127993614,19cyclictest0-21swapper/122:11:241
5127993613,21cyclictest0-21swapper/122:35:101
5126993611,16cyclictest0-21swapper/019:38:560
5126993610,16cyclictest0-21swapper/020:22:560
267482365,13sleep20-21swapper/221:05:352
256612365,10sleep00-21swapper/019:51:360
23942365,13sleep00-21swapper/020:13:480
123042365,10sleep20-21swapper/219:21:542
114152365,14sleep20-21swapper/220:33:472
102272365,14sleep20-21swapper/219:18:322
512999353,30cyclictest27185-21stress23:20:203
512999353,30cyclictest18322-21sed00:25:263
512999353,29cyclictest77671munin-node19:15:013
512999353,29cyclictest23974-21/usr/sbin/munin19:50:213
512999352,31cyclictest27185-21stress22:50:033
512999352,30cyclictest30691-21/usr/sbin/munin20:05:173
512999352,30cyclictest27185-21stress23:45:273
512999352,30cyclictest27185-21stress23:00:323
512999352,30cyclictest27185-21stress23:00:323
512999352,30cyclictest27185-21stress22:45:133
5129993517,16cyclictest0-21swapper/321:50:233
512999351,31cyclictest27185-21stress00:20:223
512799357,18cyclictest0-21swapper/122:05:211
512799355,23cyclictest0-21swapper/119:10:471
5127993515,18cyclictest0-21swapper/100:00:071
512699359,17cyclictest0-21swapper/020:16:020
512699359,17cyclictest0-21swapper/020:16:020
512699355,27cyclictest0-21swapper/023:19:390
5126993511,14cyclictest0-21swapper/020:05:060
256972355,10sleep10-21swapper/119:52:041
200452355,13sleep20-21swapper/220:50:272
158712355,10sleep20-21swapper/220:43:452
123232355,13sleep10-21swapper/119:22:081
103272355,13sleep00-21swapper/019:19:510
68382345,13sleep20-21swapper/220:21:482
512999343,28cyclictest27185-21stress21:35:263
512999343,28cyclictest23004-21wc19:45:223
512999343,28cyclictest15639-21sshd20:41:003
512999342,29cyclictest27185-21stress23:55:153
512999342,29cyclictest20710-21/usr/sbin/munin20:55:153
5129993417,15cyclictest0-21swapper/320:10:133
512899349,22cyclictest0-21swapper/223:20:232
512799345,23cyclictest0-21swapper/119:17:061
512799345,22cyclictest0-21swapper/120:20:161
512799344,24cyclictest0-21swapper/119:30:531
5127993414,18cyclictest0-21swapper/121:55:281
5127993411,20cyclictest0-21swapper/123:02:411
5127993411,20cyclictest0-21swapper/123:02:411
5127993410,22cyclictest0-21swapper/120:14:451
5127993410,21cyclictest0-21swapper/121:49:381
512699349,16cyclictest0-21swapper/020:55:000
5126993416,15cyclictest0-21swapper/022:15:400
5126993410,16cyclictest0-21swapper/019:55:070
5126993410,14cyclictest0-21swapper/020:57:300
323882345,10sleep20-21swapper/220:06:282
224992345,13sleep20-21swapper/220:58:212
113852345,13sleep10-21swapper/120:33:261
512999333,28cyclictest7257-21chrt19:14:033
512999333,28cyclictest27183-21stress00:00:213
512999333,28cyclictest17323-21/usr/sbin/munin19:35:233
512999333,27cyclictest6126-21netstat20:20:183
512999333,27cyclictest31221-21diskstats22:30:153
512999333,27cyclictest28958-21grep20:00:143
512999333,27cyclictest26311-21basename19:55:113
512999333,27cyclictest25296-21egrep21:05:123
512999333,27cyclictest18924-21df_inode20:50:133
512999332,29cyclictest0-21swapper/320:15:193
512999332,29cyclictest0-21swapper/320:15:193
512899338,22cyclictest0-21swapper/221:38:302
5128993310,20cyclictest0-21swapper/200:27:082
512799335,22cyclictest0-21swapper/120:45:231
512799335,22cyclictest0-21swapper/120:43:291
512799335,22cyclictest0-21swapper/120:09:251
5127993315,15cyclictest0-21swapper/121:30:221
5127993315,15cyclictest0-21swapper/100:05:131
5127993314,17cyclictest0-21swapper/121:15:291
5127993314,17cyclictest0-21swapper/121:15:281
5127993313,17cyclictest0-21swapper/100:15:051
5127993311,19cyclictest0-21swapper/123:40:161
5127993311,19cyclictest0-21swapper/123:40:161
512699335,26cyclictest0-21swapper/020:46:310
512699335,17cyclictest0-21swapper/021:07:290
5126993317,13cyclictest0-21swapper/021:29:300
5126993316,14cyclictest0-21swapper/023:05:070
5126993316,14cyclictest0-21swapper/023:05:070
5126993315,15cyclictest0-21swapper/021:32:400
46202335,13sleep20-21swapper/220:17:352
46202335,13sleep20-21swapper/220:17:352
268972335,11sleep10-21swapper/121:07:261
512999323,27cyclictest7376-21/usr/sbin/munin20:25:133
512999323,27cyclictest22919-21/usr/sbin/munin21:00:153
512999323,27cyclictest19543-21/usr/sbin/munin19:40:143
512999323,27cyclictest16287-21/usr/sbin/munin20:45:153
512999323,27cyclictest10630-21/usr/sbin/munin19:20:183
512999323,26cyclictest13084-21grep19:25:133
512999323,26cyclictest12717-21cat20:35:193
512999323,26cyclictest10505-21cat20:30:183
512999322,27cyclictest15084-21/usr/sbin/munin19:30:103
512899326,23cyclictest0-21swapper/221:10:272
512899326,23cyclictest0-21swapper/221:10:272
5128993214,15cyclictest0-21swapper/221:26:052
5128993213,16cyclictest0-21swapper/222:26:262
5128993213,16cyclictest0-21swapper/200:36:122
5128993212,17cyclictest0-21swapper/221:41:592
512799325,21cyclictest0-21swapper/119:36:301
5127993216,14cyclictest0-21swapper/123:20:401
5127993215,15cyclictest0-21swapper/121:10:201
5127993215,15cyclictest0-21swapper/121:10:201
5127993215,15cyclictest0-21swapper/100:10:241
5127993215,15cyclictest0-21swapper/100:10:241
5127993212,17cyclictest0-21swapper/122:45:031
5127993210,19cyclictest0-21swapper/123:17:311
512699328,21cyclictest0-21swapper/022:05:190
512699325,24cyclictest0-21swapper/023:37:520
512699325,24cyclictest0-21swapper/023:37:520
512699325,17cyclictest0-21swapper/019:40:570
512699324,12cyclictest27185-21stress00:10:310
512699324,12cyclictest27185-21stress00:10:310
5126993217,12cyclictest0-21swapper/022:30:250
5126993217,12cyclictest0-21swapper/021:46:520
5126993216,13cyclictest0-21swapper/023:20:040
5126993216,13cyclictest0-21swapper/022:40:280
5126993216,13cyclictest0-21swapper/022:40:280
5126993215,15cyclictest0-21swapper/022:50:180
5126993213,16cyclictest0-21swapper/022:10:270
5126993213,16cyclictest0-21swapper/022:10:270
5126993213,16cyclictest0-21swapper/021:10:140
5126993213,16cyclictest0-21swapper/021:10:130
5126993211,16cyclictest0-21swapper/019:22:560
5126993210,18cyclictest0-21swapper/022:00:250
5126993210,12cyclictest0-21swapper/019:34:550
202272324,13sleep10-21swapper/120:52:431
512999313,26cyclictest3952-21ntp_states22:40:293
512999313,26cyclictest3952-21ntp_states22:40:293
512999313,26cyclictest18372-21/usr/sbin/munin22:00:253
512899318,20cyclictest0-21swapper/221:20:322
512899317,21cyclictest0-21swapper/223:50:122
512899316,22cyclictest0-21swapper/223:55:302
512899316,22cyclictest0-21swapper/223:15:162
512899315,24cyclictest0-21swapper/219:45:212
512899315,23cyclictest0-21swapper/222:30:062
512899315,14cyclictest0-21swapper/219:55:572
5128993115,13cyclictest0-21swapper/223:30:422
5128993114,15cyclictest0-21swapper/222:20:192
5128993114,14cyclictest0-21swapper/223:00:182
5128993114,14cyclictest0-21swapper/223:00:182
5128993113,15cyclictest0-21swapper/200:00:192
5128993112,16cyclictest0-21swapper/222:40:372
5128993112,16cyclictest0-21swapper/222:40:372
5128993110,18cyclictest0-21swapper/223:35:172
5128993110,18cyclictest0-21swapper/223:35:172
512799319,11cyclictest0-21swapper/122:50:331
512799315,21cyclictest0-21swapper/119:25:061
5127993115,14cyclictest0-21swapper/100:35:311
5127993114,15cyclictest0-21swapper/122:25:041
5127993114,14cyclictest0-21swapper/122:15:151
5127993112,17cyclictest0-21swapper/121:40:271
512699319,19cyclictest0-21swapper/023:40:030
512699319,19cyclictest0-21swapper/023:40:030
5126993113,15cyclictest0-21swapper/021:50:100
5126993113,15cyclictest0-21swapper/021:35:360
5126993111,17cyclictest0-21swapper/022:20:170
512899307,20cyclictest0-21swapper/221:50:282
512899306,17cyclictest0-21swapper/219:10:222
512899305,23cyclictest0-21swapper/219:43:312
512899305,23cyclictest0-21swapper/219:36:272
512899305,23cyclictest0-21swapper/219:33:572
5128993017,12cyclictest0-21swapper/220:35:372
5128993017,12cyclictest0-21swapper/219:29:172
5128993014,14cyclictest0-21swapper/223:45:272
5128993014,13cyclictest0-21swapper/222:10:202
5128993014,13cyclictest0-21swapper/222:10:192
5128993014,13cyclictest0-21swapper/200:22:052
5128993014,13cyclictest0-21swapper/200:15:392
5128993013,15cyclictest0-21swapper/223:10:132
5128993013,14cyclictest0-21swapper/222:35:512
512799306,18cyclictest0-21swapper/119:48:561
512799305,19cyclictest0-21swapper/119:55:111
512799305,19cyclictest0-21swapper/119:40:471
512699308,19cyclictest0-21swapper/000:30:490
512699305,23cyclictest0-21swapper/020:30:410
512699304,14cyclictest1022-21jbd2/loop1-821:20:070
512699303,11cyclictest27183-21stress23:25:310
5126993017,12cyclictest0-21swapper/020:35:050
5126993015,13cyclictest0-21swapper/021:57:140
5126993015,12cyclictest0-21swapper/023:45:170
5126993015,12cyclictest0-21swapper/000:20:240
5126993013,14cyclictest0-21swapper/022:35:220
5126993010,17cyclictest0-21swapper/022:30:000
512899295,22cyclictest0-21swapper/220:14:312
5128992913,13cyclictest0-21swapper/221:58:362
5128992913,13cyclictest0-21swapper/221:30:582
5128992912,15cyclictest0-21swapper/223:10:012
5128992912,15cyclictest0-21swapper/223:10:012
5128992912,14cyclictest0-21swapper/222:45:212
5128992911,15cyclictest0-21swapper/200:30:052
512799295,18cyclictest0-21swapper/120:55:351
512799295,18cyclictest0-21swapper/120:36:061
512799294,20cyclictest0-21swapper/120:25:061
512799294,19cyclictest0-21swapper/120:00:061
5127992915,12cyclictest0-21swapper/100:20:141
512699297,20cyclictest0-21swapper/000:25:140
512699293,12cyclictest1022-21jbd2/loop1-823:55:230
512699293,11cyclictest27185-21stress23:00:070
512699293,11cyclictest27185-21stress23:00:070
512699293,11cyclictest27185-21stress22:59:290
5126992910,16cyclictest0-21swapper/000:00:250
512899285,21cyclictest0-21swapper/221:03:122
512899285,21cyclictest0-21swapper/219:51:082
5128992813,13cyclictest0-21swapper/221:15:042
5128992813,13cyclictest0-21swapper/221:15:042
5128992812,13cyclictest0-21swapper/222:55:042
5126992814,12cyclictest0-21swapper/023:50:150
5126992810,16cyclictest0-21swapper/000:35:060
512899277,17cyclictest0-21swapper/222:50:272
5128992713,12cyclictest0-21swapper/222:15:162
5128992712,12cyclictest0-21swapper/200:05:132
512799276,18cyclictest0-21swapper/123:10:281
512699277,18cyclictest0-21swapper/000:05:220
5128992612,12cyclictest0-21swapper/223:25:172
512799267,16cyclictest0-21swapper/121:20:261
5126992612,12cyclictest0-21swapper/023:10:230
5128992513,10cyclictest0-21swapper/223:40:252
5128992513,10cyclictest0-21swapper/223:40:242
5127992410,12cyclictest0-21swapper/121:35:381
512699248,13cyclictest0-21swapper/000:15:280
5126992410,12cyclictest0-21swapper/021:15:150
5126992410,12cyclictest0-21swapper/021:15:150
512799233,5cyclictest27184-21stress21:27:301
512699227,13cyclictest0-21swapper/023:30:070
512899216,13cyclictest0-21swapper/221:45:162
512799215,15cyclictest0-21swapper/123:35:191
512799215,15cyclictest0-21swapper/123:35:191
512799204,9cyclictest27182-21stress23:50:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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