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2026-03-27 - 02:27
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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 Fri Mar 27, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12393212162,20sleep30-21swapper/319:09:143
12393212162,20sleep30-21swapper/319:09:143
12395210950,54sleep00-21swapper/019:09:160
12395210950,54sleep00-21swapper/019:09:160
12324210949,55sleep10-21swapper/119:08:191
12324210949,55sleep10-21swapper/119:08:191
1232028757,25sleep20-21swapper/219:08:172
1232028757,25sleep20-21swapper/219:08:162
239042810,3sleep032224-21stress22:25:220
245312630,1sleep032224-21stress23:43:000
12551995111,22cyclictest0-21swapper/122:35:151
12551995111,22cyclictest0-21swapper/122:35:141
12551994911,21cyclictest0-21swapper/123:25:131
12551994711,21cyclictest0-21swapper/123:49:051
12551994711,21cyclictest0-21swapper/123:49:041
12551994711,21cyclictest0-21swapper/122:20:241
12551994711,21cyclictest0-21swapper/121:27:041
12551994612,20cyclictest0-21swapper/100:09:111
12551994611,25cyclictest0-21swapper/123:43:311
12551994610,21cyclictest0-21swapper/123:30:281
12551994610,21cyclictest0-21swapper/121:35:311
1255199451,34cyclictest32224-21stress00:20:231
1255199451,31cyclictest32227-21stress22:29:591
12551994510,21cyclictest0-21swapper/121:10:251
12551994510,21cyclictest0-21swapper/100:15:011
12551994410,22cyclictest0-21swapper/123:08:341
12551994410,20cyclictest0-21swapper/122:05:291
1255199434,29cyclictest0-21swapper/122:40:341
12551994311,17cyclictest0-21swapper/123:50:221
12551994311,17cyclictest0-21swapper/123:50:211
12551994210,23cyclictest0-21swapper/122:45:301
12551994210,20cyclictest0-21swapper/121:15:121
12551994210,16cyclictest0-21swapper/121:41:161
1255699413,4cyclictest1899-21runrttasks21:01:253
1255199414,22cyclictest32227-21stress23:15:301
1255199411,23cyclictest32224-21stress21:58:091
1255199410,25cyclictest32227-21stress21:20:301
1255199407,27cyclictest0-21swapper/119:56:481
1255199403,21cyclictest32224-21stress22:18:561
12551994017,20cyclictest0-21swapper/122:59:071
12551994014,23cyclictest0-21swapper/123:38:411
1255199401,23cyclictest31439-21grep00:00:121
1255199400,25cyclictest32227-21stress23:59:191
12550994016,22cyclictest0-21swapper/022:48:160
1255699396,30cyclictest32227-21stress00:21:333
1255699395,31cyclictest32227-21stress00:15:293
1255699395,31cyclictest32227-21stress00:15:283
1255699395,31cyclictest32224-21stress22:23:183
12556993921,16cyclictest0-21swapper/322:35:323
12556993921,16cyclictest0-21swapper/322:35:323
1255199393,21cyclictest32227-21stress22:33:391
1255199391,23cyclictest32224-21stress21:48:581
12550993915,21cyclictest0-21swapper/023:29:390
217632385,16sleep00-21swapper/019:29:200
148902385,16sleep00-21swapper/020:27:420
1255699386,29cyclictest32224-21stress22:58:233
1255699385,30cyclictest32224-21stress21:41:083
1255699383,32cyclictest32227-21stress00:39:203
1255699383,32cyclictest24618-21irqstats20:50:173
1255699383,17cyclictest0-21swapper/320:20:303
12556993818,18cyclictest0-21swapper/322:40:123
1255199385,17cyclictest0-21swapper/120:10:221
1255199382,23cyclictest12989-21tr19:10:121
1255199382,20cyclictest147-21usb-storage21:30:211
12551993813,22cyclictest0-21swapper/123:11:181
1255199381,25cyclictest28673-21ls19:45:131
1255199381,23cyclictest13845-21sed00:35:021
12550993817,18cyclictest0-21swapper/022:43:280
12550993813,22cyclictest0-21swapper/021:15:090
63202375,15sleep00-21swapper/020:07:290
193362375,15sleep20-21swapper/219:20:522
1255699377,28cyclictest32229-21iperf00:10:163
1255699376,28cyclictest32227-21stress22:53:343
1255699376,28cyclictest32227-21stress21:59:363
1255699374,17cyclictest0-21swapper/320:59:423
1255699373,4cyclictest32224-21stress23:55:353
1255699373,31cyclictest32227-21stress21:49:413
1255699373,31cyclictest32224-21stress22:25:033
1255699373,31cyclictest32224-21stress21:11:013
1255699373,17cyclictest0-21swapper/320:46:123
1255699373,17cyclictest0-21swapper/320:14:583
1255699372,16cyclictest0-21swapper/320:18:353
12556993719,16cyclictest0-21swapper/321:20:163
12556993719,16cyclictest0-21swapper/300:34:153
12556993719,16cyclictest0-21swapper/300:05:213
12551993714,21cyclictest0-21swapper/123:03:351
1255199371,24cyclictest28218-21cron19:45:011
12551993710,24cyclictest0-21swapper/121:51:151
12550993712,22cyclictest0-21swapper/000:17:040
12550993712,22cyclictest0-21swapper/000:17:040
281322365,14sleep00-21swapper/021:00:020
19002365,11sleep00-21swapper/019:56:310
126832365,14sleep20-21swapper/220:21:522
1255699368,26cyclictest0-21swapper/323:00:323
1255699366,27cyclictest32224-21stress21:18:013
1255699366,27cyclictest0-21swapper/321:30:303
1255699365,29cyclictest0-21swapper/319:32:153
1255699365,28cyclictest32229-21iperf23:45:183
1255699365,28cyclictest32229-21iperf23:45:183
1255699365,28cyclictest32227-21stress21:25:213
1255699365,28cyclictest0-21swapper/323:20:213
1255699364,17cyclictest0-21swapper/320:37:073
1255699363,30cyclictest32224-21stress23:37:173
1255699363,30cyclictest0-21swapper/322:00:123
1255699363,29cyclictest25187-21ntp_states19:35:223
1255699363,17cyclictest0-21swapper/321:06:253
1255699363,17cyclictest0-21swapper/321:06:253
1255699363,17cyclictest0-21swapper/320:40:313
1255699363,17cyclictest0-21swapper/320:32:263
1255699363,17cyclictest0-21swapper/320:26:453
12556993621,13cyclictest0-21swapper/323:15:253
12556993620,13cyclictest0-21swapper/323:25:343
12556993618,16cyclictest0-21swapper/300:25:193
12556993618,16cyclictest0-21swapper/300:25:183
12552993613,20cyclictest0-21swapper/222:23:512
1255199369,21cyclictest0-21swapper/119:25:211
1255199368,26cyclictest0-21swapper/121:03:471
1255199363,17cyclictest32227-21stress00:35:301
1255199362,22cyclictest24852-21awk20:50:191
12551993613,13cyclictest0-21swapper/120:34:211
12551993611,22cyclictest0-21swapper/122:00:241
12550993617,16cyclictest0-21swapper/021:13:460
12550993615,18cyclictest0-21swapper/000:25:260
12550993615,18cyclictest0-21swapper/000:25:250
279162355,15sleep20-21swapper/219:41:292
257972355,15sleep20-21swapper/219:36:312
238482355,15sleep20-21swapper/219:33:482
191732355,15sleep00-21swapper/020:37:480
1255699357,25cyclictest32229-21iperf23:50:323
1255699357,25cyclictest32229-21iperf23:50:323
1255699356,27cyclictest0-21swapper/321:35:163
1255699356,26cyclictest32224-21stress00:01:213
1255699355,28cyclictest0-21swapper/319:25:053
1255699355,27cyclictest0-21swapper/323:10:343
1255699353,29cyclictest32227-21stress23:05:143
1255699353,29cyclictest32224-21stress23:33:453
1255699353,29cyclictest28764-21cstates19:45:123
1255699353,29cyclictest20863-21/usr/sbin/munin22:20:003
1255699353,17cyclictest0-21swapper/320:05:373
1255699353,17cyclictest0-21swapper/319:56:303
1255699352,31cyclictest32227-21stress21:50:433
12552993515,17cyclictest0-21swapper/200:30:152
1255199358,25cyclictest0-21swapper/121:05:011
1255199358,25cyclictest0-21swapper/121:05:011
1255199358,17cyclictest0-21swapper/119:20:311
1255199358,16cyclictest0-21swapper/119:30:371
1255199353,23cyclictest32224-21stress22:12:421
1255199353,17cyclictest32224-21stress00:25:061
1255199353,17cyclictest32224-21stress00:25:061
12551993513,20cyclictest0-21swapper/123:20:141
12551993513,20cyclictest0-21swapper/122:50:191
1255199351,31cyclictest19614-21/usr/sbin/munin20:40:181
12550993516,17cyclictest0-21swapper/000:05:350
63682345,14sleep20-21swapper/220:08:072
40072345,11sleep20-21swapper/220:00:372
321142345,14sleep20-21swapper/219:50:322
257162345,14sleep00-21swapper/019:35:290
175022345,14sleep20-21swapper/219:19:232
1255699346,26cyclictest32229-21iperf22:45:183
1255699346,26cyclictest0-21swapper/319:20:123
1255699345,19cyclictest0-21swapper/320:00:203
1255299349,23cyclictest0-21swapper/221:00:212
1255299346,25cyclictest0-21swapper/221:40:122
12552993416,15cyclictest0-21swapper/221:11:082
12552993415,16cyclictest0-21swapper/223:45:042
12552993415,16cyclictest0-21swapper/223:45:042
12552993411,20cyclictest0-21swapper/222:35:152
12552993411,20cyclictest0-21swapper/222:35:142
1255199349,19cyclictest0-21swapper/120:20:291
1255199349,19cyclictest0-21swapper/119:15:141
1255199348,24cyclictest0-21swapper/120:48:271
1255199341,21cyclictest32223-21stress00:15:311
1255199341,21cyclictest32223-21stress00:15:301
1255099349,20cyclictest0-21swapper/019:30:370
12550993420,12cyclictest0-21swapper/000:20:070
12550993418,14cyclictest0-21swapper/020:15:260
12550993416,15cyclictest0-21swapper/023:10:140
12550993413,18cyclictest0-21swapper/022:10:310
12550993410,21cyclictest0-21swapper/000:32:410
255922335,11sleep20-21swapper/220:52:582
217482335,14sleep20-21swapper/219:29:102
192992335,13sleep20-21swapper/220:39:282
1255699336,24cyclictest0-21swapper/319:40:143
1255699333,27cyclictest31052-21fschecks_count19:50:153
1255699333,27cyclictest13935-21switchtime19:10:233
1255699332,28cyclictest32224-21stress23:40:123
12552993317,13cyclictest0-21swapper/223:52:292
12552993317,13cyclictest0-21swapper/223:52:292
12552993315,15cyclictest0-21swapper/222:30:022
12552993312,18cyclictest0-21swapper/221:33:492
12552993312,18cyclictest0-21swapper/200:15:122
12552993312,18cyclictest0-21swapper/200:15:122
12552993310,20cyclictest0-21swapper/221:35:102
1255199338,19cyclictest0-21swapper/119:51:481
1255199338,18cyclictest0-21swapper/120:15:311
1255199338,13cyclictest0-21swapper/120:02:071
1255199335,18cyclictest0-21swapper/120:35:121
12551993310,16cyclictest0-21swapper/120:25:221
12550993311,16cyclictest0-21swapper/020:48:530
211792325,11sleep00-21swapper/020:41:100
1255699325,25cyclictest0-21swapper/319:15:133
1255299326,23cyclictest0-21swapper/200:25:192
1255299326,23cyclictest0-21swapper/200:25:182
12552993217,12cyclictest0-21swapper/222:52:192
12552993215,14cyclictest0-21swapper/223:25:262
12552993215,14cyclictest0-21swapper/222:44:002
12552993212,17cyclictest0-21swapper/222:48:452
1255199329,15cyclictest0-21swapper/120:55:221
1255199321,20cyclictest0-21swapper/119:35:491
12550993211,18cyclictest0-21swapper/023:20:270
12550993211,18cyclictest0-21swapper/000:03:240
12550993211,16cyclictest0-21swapper/020:55:210
12550993210,16cyclictest0-21swapper/019:45:580
171212315,15sleep20-21swapper/220:33:502
1255699315,24cyclictest0-21swapper/322:10:013
1255299319,19cyclictest0-21swapper/200:35:082
12552993116,12cyclictest0-21swapper/222:25:042
12552993113,15cyclictest0-21swapper/221:15:132
1255099319,16cyclictest0-21swapper/021:06:210
1255099319,16cyclictest0-21swapper/021:06:210
12550993115,13cyclictest0-21swapper/023:00:160
12550993114,14cyclictest0-21swapper/023:15:080
12550993113,15cyclictest0-21swapper/022:35:170
12550993113,15cyclictest0-21swapper/022:35:170
12550993111,15cyclictest0-21swapper/020:30:100
12550993110,19cyclictest0-21swapper/023:05:160
12550993110,15cyclictest0-21swapper/020:54:200
1255699305,24cyclictest0-21swapper/322:30:033
1255699305,24cyclictest0-21swapper/322:05:023
1255299305,23cyclictest0-21swapper/220:28:182
1255299305,23cyclictest0-21swapper/220:10:182
12552993014,13cyclictest0-21swapper/223:05:182
12552993014,13cyclictest0-21swapper/200:00:452
1255199302,25cyclictest5227-21cat20:05:191
1255099309,15cyclictest0-21swapper/019:21:560
1255099308,16cyclictest0-21swapper/019:40:490
1255099308,16cyclictest0-21swapper/019:10:460
1255099306,21cyclictest0-21swapper/022:55:120
12550993013,15cyclictest0-21swapper/023:55:250
12550993012,16cyclictest0-21swapper/020:20:190
1255299297,19cyclictest0-21swapper/223:30:172
1255299297,19cyclictest0-21swapper/222:00:302
1255299297,19cyclictest0-21swapper/221:27:242
1255299295,22cyclictest0-21swapper/221:05:492
1255299295,22cyclictest0-21swapper/221:05:492
1255299295,22cyclictest0-21swapper/220:56:482
1255299295,22cyclictest0-21swapper/220:44:392
1255299295,22cyclictest0-21swapper/219:46:182
12552992915,12cyclictest0-21swapper/223:10:232
12552992914,13cyclictest0-21swapper/223:40:292
12552992914,13cyclictest0-21swapper/200:10:272
12552992914,12cyclictest0-21swapper/223:23:092
12552992911,15cyclictest0-21swapper/200:05:292
1255099299,17cyclictest0-21swapper/022:50:280
1255099299,15cyclictest0-21swapper/020:10:020
1255099299,15cyclictest0-21swapper/019:15:050
1255099298,16cyclictest0-21swapper/020:00:070
1255099298,15cyclictest0-21swapper/019:50:070
12550992914,13cyclictest0-21swapper/023:45:320
12550992914,13cyclictest0-21swapper/023:45:320
12550992914,12cyclictest0-21swapper/000:13:590
12550992913,14cyclictest0-21swapper/022:10:000
12550992913,14cyclictest0-21swapper/022:01:510
12550992912,14cyclictest0-21swapper/023:50:210
12550992912,14cyclictest0-21swapper/023:50:210
1255299285,21cyclictest0-21swapper/220:47:282
1255299285,21cyclictest0-21swapper/219:55:592
12552992816,10cyclictest0-21swapper/200:20:122
12552992814,12cyclictest0-21swapper/223:55:152
1255299276,18cyclictest0-21swapper/223:00:242
1255299275,20cyclictest0-21swapper/219:10:172
1255099278,17cyclictest0-21swapper/022:17:240
1255099278,16cyclictest0-21swapper/022:20:190
12550992712,12cyclictest0-21swapper/000:35:160
12552992612,12cyclictest0-21swapper/222:55:262
12550992612,12cyclictest0-21swapper/022:30:180
12550992612,12cyclictest0-21swapper/021:25:260
12552992513,11cyclictest0-21swapper/220:16:382
1255099257,16cyclictest0-21swapper/023:30:350
12552992411,11cyclictest0-21swapper/223:15:172
12550992411,11cyclictest0-21swapper/021:35:320
134312232,3sleep032223-21stress21:40:190
1255099237,14cyclictest0-21swapper/021:30:240
198092222,3sleep232226-21stress22:10:392
165342222,3sleep232226-21stress21:57:262
1255099223,10cyclictest4762-21/usr/sbin/munin21:20:160
1255299212,17cyclictest32226-21stress22:18:492
1255099212,6cyclictest32226-21stress23:35:320
1255299202,16cyclictest32226-21stress21:52:592
12552992014,5cyclictest32226-21stress22:07:282
12550992015,3cyclictest32223-21stress21:55:030
224742191,4sleep232223-21stress23:38:512
1255299192,3cyclictest32226-21stress21:21:182
12552991914,3cyclictest32226-21stress21:49:582
1255099192,6cyclictest32223-21stress21:45:500
12550991915,3cyclictest32223-21stress21:52:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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