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2026-06-01 - 11:14
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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 rack7slot1.osadl.org (updated Mon Jun 01, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4604212056,58sleep20-21swapper/219:09:102
4537211956,58sleep30-21swapper/319:08:193
4429211956,58sleep00-21swapper/019:06:550
4583210651,50sleep10-21swapper/119:08:531
477299475,24cyclictest0-21swapper/122:15:211
477299475,17cyclictest0-21swapper/120:41:141
4773994615,28cyclictest0-21swapper/221:17:482
4773994615,28cyclictest0-21swapper/221:17:472
477299455,3cyclictest0-21swapper/123:20:001
477299443,24cyclictest25298-21stress23:05:231
4772994421,20cyclictest0-21swapper/123:26:151
477299435,26cyclictest0-21swapper/119:40:221
477299435,25cyclictest0-21swapper/119:15:031
477299435,22cyclictest25298-21stress23:50:331
477299435,22cyclictest0-21swapper/100:15:211
477399427,19cyclictest0-21swapper/223:35:152
477299425,24cyclictest0-21swapper/123:45:011
477299425,23cyclictest0-21swapper/123:02:031
477299425,23cyclictest0-21swapper/100:30:341
4774994118,20cyclictest0-21swapper/321:40:213
477299415,25cyclictest0-21swapper/121:10:011
477299415,25cyclictest0-21swapper/121:10:001
4772994120,19cyclictest0-21swapper/121:49:261
4772994120,19cyclictest0-21swapper/121:49:261
4774994019,19cyclictest0-21swapper/300:05:003
4774994019,19cyclictest0-21swapper/300:05:003
4774994017,20cyclictest0-21swapper/323:10:013
477299403,4cyclictest25298-21stress23:24:591
477299403,19cyclictest0-21swapper/122:35:381
477299403,19cyclictest0-21swapper/119:45:051
477299402,20cyclictest0-21swapper/123:35:261
4772994020,17cyclictest0-21swapper/123:10:061
160492405,18sleep20-21swapper/219:31:332
4774993920,17cyclictest0-21swapper/300:25:253
4774993919,18cyclictest0-21swapper/322:20:073
4774993917,19cyclictest0-21swapper/322:25:163
4773993912,18cyclictest0-21swapper/222:52:172
4773993911,25cyclictest0-21swapper/221:40:032
477299395,18cyclictest0-21swapper/119:28:451
477299395,17cyclictest0-21swapper/121:00:591
477299395,17cyclictest0-21swapper/120:46:011
477299395,17cyclictest0-21swapper/120:24:131
477299395,17cyclictest0-21swapper/120:16:021
477299395,17cyclictest0-21swapper/119:51:331
477299395,16cyclictest0-21swapper/120:11:091
477299394,18cyclictest0-21swapper/119:30:121
477299394,17cyclictest0-21swapper/120:33:121
477299393,4cyclictest25294-21stress22:12:191
477299393,4cyclictest25294-21stress22:12:181
477299393,17cyclictest0-21swapper/119:56:511
4772993921,16cyclictest0-21swapper/121:29:431
477499386,29cyclictest0-21swapper/323:45:013
477499386,29cyclictest0-21swapper/300:35:183
477499386,29cyclictest0-21swapper/300:35:183
4774993821,15cyclictest0-21swapper/322:00:213
4774993819,17cyclictest0-21swapper/300:20:223
4774993817,18cyclictest0-21swapper/322:05:183
4773993817,18cyclictest0-21swapper/222:05:432
477299385,17cyclictest0-21swapper/120:55:121
477299385,17cyclictest0-21swapper/120:53:591
477299385,17cyclictest0-21swapper/120:25:271
477299385,16cyclictest0-21swapper/120:00:031
477299384,17cyclictest0-21swapper/119:35:101
477299384,17cyclictest0-21swapper/119:35:101
477299383,33cyclictest0-21swapper/121:35:121
477299383,19cyclictest0-21swapper/122:27:551
477299383,18cyclictest0-21swapper/120:35:081
477299383,16cyclictest0-21swapper/120:05:171
4772993821,15cyclictest0-21swapper/122:30:571
228022385,17sleep00-21swapper/021:02:000
477499376,28cyclictest0-21swapper/323:37:483
477499376,28cyclictest0-21swapper/322:55:163
477499376,28cyclictest0-21swapper/322:55:163
477499376,28cyclictest0-21swapper/321:51:593
477499373,31cyclictest25298-21stress22:36:553
4774993721,14cyclictest0-21swapper/322:47:523
4774993721,14cyclictest0-21swapper/322:47:523
4774993719,16cyclictest0-21swapper/321:55:103
4774993718,17cyclictest0-21swapper/300:05:083
4774993717,17cyclictest0-21swapper/323:55:253
4773993714,16cyclictest0-21swapper/221:39:112
4773993711,23cyclictest0-21swapper/200:14:552
477299375,23cyclictest0-21swapper/121:55:171
477299375,17cyclictest0-21swapper/119:24:001
477299373,31cyclictest25527-21/usr/sbin/munin21:10:251
477299373,31cyclictest25298-21stress23:30:411
477299373,31cyclictest25298-21stress00:38:341
477299373,31cyclictest25298-21stress00:38:341
477299373,20cyclictest0-21swapper/121:15:141
477299373,20cyclictest0-21swapper/121:15:141
477299373,18cyclictest0-21swapper/122:55:171
477299373,18cyclictest0-21swapper/122:55:161
477299373,18cyclictest0-21swapper/121:30:551
477299373,17cyclictest0-21swapper/119:11:541
4772993721,14cyclictest0-21swapper/122:41:051
270182375,15sleep20-21swapper/219:58:232
184092375,15sleep20-21swapper/220:51:052
143072375,15sleep20-21swapper/220:44:142
78122365,15sleep00-21swapper/020:28:530
477499367,26cyclictest25294-21stress23:10:313
477499366,27cyclictest0-21swapper/323:00:183
477499366,27cyclictest0-21swapper/321:35:123
477499365,28cyclictest0-21swapper/320:00:163
4774993619,15cyclictest0-21swapper/323:15:133
4774993619,15cyclictest0-21swapper/300:15:353
4773993616,12cyclictest0-21swapper/223:25:032
4773993615,15cyclictest0-21swapper/200:00:242
4773993615,15cyclictest0-21swapper/200:00:232
477299364,17cyclictest0-21swapper/122:50:311
477299363,5cyclictest14450irq/38-xhci_hcd21:20:171
477299363,30cyclictest25294-21stress21:50:151
138222364,15sleep20-21swapper/219:25:592
97092355,13sleep20-21swapper/220:30:342
95342355,11sleep00-21swapper/019:16:180
477499357,25cyclictest25294-21stress00:10:303
477499357,25cyclictest0-21swapper/322:50:373
477499356,26cyclictest0-21swapper/322:10:173
477499356,26cyclictest0-21swapper/322:10:163
477499356,26cyclictest0-21swapper/321:30:173
477499356,26cyclictest0-21swapper/321:25:123
477499356,26cyclictest0-21swapper/321:20:193
477499356,26cyclictest0-21swapper/321:10:303
477499356,26cyclictest0-21swapper/321:00:183
477499354,28cyclictest25298-21stress21:15:273
477499354,28cyclictest25298-21stress21:15:263
477499353,29cyclictest25294-21stress00:30:233
477499352,4cyclictest25298-21stress23:52:503
4774993517,16cyclictest0-21swapper/322:15:413
4774993516,16cyclictest0-21swapper/323:25:243
4774993516,16cyclictest0-21swapper/319:15:233
477299356,26cyclictest0-21swapper/100:20:171
477299354,18cyclictest25294-21stress22:05:001
477299353,29cyclictest1060-21ntpd00:25:291
4771993511,22cyclictest0-21swapper/019:45:180
4771993511,16cyclictest0-21swapper/023:50:310
4771993510,22cyclictest0-21swapper/023:46:030
187132355,15sleep00-21swapper/020:54:520
54222345,11sleep20-21swapper/220:21:332
477499347,24cyclictest0-21swapper/320:10:223
477499346,25cyclictest23330-21/usr/sbin/munin21:05:213
477499346,25cyclictest23330-21/usr/sbin/munin21:05:213
477499346,25cyclictest0-21swapper/320:25:203
477499346,25cyclictest0-21swapper/320:15:163
477499345,27cyclictest0-21swapper/320:45:193
477499345,26cyclictest10124-21/usr/sbin/munin19:20:253
477499343,4cyclictest25294-21stress21:45:173
477499343,4cyclictest25294-21stress21:45:163
477499343,28cyclictest25294-21stress23:20:123
477499343,28cyclictest14423-21/usr/sbin/munin19:30:123
477499343,28cyclictest0-21swapper/320:30:123
477499342,4cyclictest25294-21stress22:30:233
477299349,22cyclictest0-21swapper/123:45:291
477299343,4cyclictest25298-21stress23:59:561
477299343,28cyclictest5066-21/usr/sbin/munin00:10:221
477299342,5cyclictest25296-21stress22:45:411
477299342,5cyclictest25296-21stress22:45:411
4771993415,18cyclictest0-21swapper/020:39:160
4771993414,18cyclictest0-21swapper/021:41:330
4771993411,18cyclictest0-21swapper/019:26:390
4771993410,18cyclictest0-21swapper/019:55:170
206302345,10sleep00-21swapper/019:44:450
182552345,14sleep00-21swapper/019:36:480
182552345,14sleep00-21swapper/019:36:470
10282345,11sleep00-21swapper/020:11:440
477499335,26cyclictest0-21swapper/320:36:153
477499334,26cyclictest23113-21/usr/sbin/munin19:50:213
477499334,26cyclictest1899-21runrttasks20:21:073
477499333,28cyclictest23075-21sshd23:30:343
477499333,27cyclictest29686-21aten2_r7power_v20:05:163
477499333,27cyclictest20965-21wget19:45:123
477499333,27cyclictest1359-21users22:40:333
477499332,29cyclictest25298-21stress23:45:033
477399336,24cyclictest0-21swapper/222:10:302
477399336,24cyclictest0-21swapper/222:10:302
4773993314,16cyclictest0-21swapper/222:42:252
4773993313,18cyclictest0-21swapper/223:30:292
477299335,25cyclictest0-21swapper/122:05:131
477299334,26cyclictest23986-21grep22:20:181
477299333,5cyclictest25298-21stress00:00:111
477299333,5cyclictest25298-21stress00:00:111
477199336,20cyclictest0-21swapper/019:23:570
4771993311,16cyclictest0-21swapper/020:08:390
4771993310,21cyclictest0-21swapper/022:27:410
4771993310,18cyclictest0-21swapper/020:30:070
4771993310,18cyclictest0-21swapper/020:23:110
4771993310,18cyclictest0-21swapper/020:00:060
34702335,12sleep00-21swapper/020:19:140
243472335,11sleep20-21swapper/221:05:232
243472335,11sleep20-21swapper/221:05:232
230002335,13sleep20-21swapper/221:04:232
206152335,13sleep20-21swapper/219:44:352
477499326,23cyclictest0-21swapper/320:50:243
477499325,25cyclictest0-21swapper/320:55:183
477499325,25cyclictest0-21swapper/319:10:113
477499325,24cyclictest0-21swapper/319:25:203
477499323,26cyclictest19646-21missed_timers19:40:193
477499323,26cyclictest1899-21runrttasks19:35:153
477499323,26cyclictest1899-21runrttasks19:35:143
477499322,28cyclictest25270-21/usr/sbin/munin19:55:113
477499322,27cyclictest12489-21/usr/sbin/munin20:40:183
4773993217,13cyclictest0-21swapper/223:55:122
4773993213,17cyclictest0-21swapper/222:45:282
4773993213,17cyclictest0-21swapper/222:45:272
477199328,21cyclictest0-21swapper/023:32:020
477199325,25cyclictest0-21swapper/019:52:000
477199325,25cyclictest0-21swapper/019:30:110
4771993218,13cyclictest0-21swapper/020:45:020
4771993214,15cyclictest0-21swapper/021:18:150
4771993214,15cyclictest0-21swapper/021:18:140
4771993212,18cyclictest0-21swapper/000:08:400
4771993212,17cyclictest0-21swapper/022:06:240
314042324,13sleep20-21swapper/220:08:372
122042324,10sleep20-21swapper/220:39:532
4773993111,18cyclictest0-21swapper/223:42:042
4773993110,19cyclictest0-21swapper/222:55:152
4773993110,19cyclictest0-21swapper/222:55:152
4773993110,18cyclictest0-21swapper/222:15:302
477299315,24cyclictest0-21swapper/121:40:331
477199319,19cyclictest0-21swapper/000:01:170
477199319,19cyclictest0-21swapper/000:01:170
477199316,22cyclictest0-21swapper/023:05:320
477199316,22cyclictest0-21swapper/021:27:000
477199315,24cyclictest0-21swapper/020:41:400
4771993117,13cyclictest0-21swapper/019:12:500
4771993116,13cyclictest0-21swapper/022:30:060
4771993116,13cyclictest0-21swapper/022:15:120
4771993116,13cyclictest0-21swapper/022:12:180
4771993116,13cyclictest0-21swapper/022:12:180
4771993113,16cyclictest0-21swapper/022:52:390
4771993111,18cyclictest0-21swapper/022:45:180
4771993111,18cyclictest0-21swapper/022:45:180
4771993111,15cyclictest0-21swapper/020:59:210
4771993110,19cyclictest0-21swapper/023:35:180
4771993110,15cyclictest0-21swapper/021:07:390
4771993110,15cyclictest0-21swapper/021:07:390
477399305,22cyclictest0-21swapper/200:30:332
4773993016,12cyclictest0-21swapper/200:15:052
4773993015,13cyclictest0-21swapper/222:00:252
4773993014,14cyclictest0-21swapper/222:20:182
4773993013,14cyclictest0-21swapper/223:45:262
477199308,20cyclictest0-21swapper/022:00:200
4771993016,12cyclictest0-21swapper/023:25:250
4771993016,12cyclictest0-21swapper/021:45:310
4771993016,12cyclictest0-21swapper/021:45:310
4771993015,13cyclictest0-21swapper/021:35:360
4771993015,13cyclictest0-21swapper/021:10:170
4771993015,12cyclictest0-21swapper/000:10:080
4771993013,15cyclictest0-21swapper/021:20:180
4771993012,16cyclictest0-21swapper/022:35:260
4771993011,17cyclictest0-21swapper/023:20:370
477399296,21cyclictest0-21swapper/221:50:262
477399295,22cyclictest0-21swapper/220:55:342
477399295,22cyclictest0-21swapper/220:26:442
477399295,22cyclictest0-21swapper/220:11:342
477399295,22cyclictest0-21swapper/220:00:122
477399295,22cyclictest0-21swapper/219:38:152
477399295,22cyclictest0-21swapper/219:38:142
477399295,22cyclictest0-21swapper/219:20:342
477399295,21cyclictest0-21swapper/221:55:082
4773992915,12cyclictest0-21swapper/221:45:292
4773992915,12cyclictest0-21swapper/221:45:292
4773992913,14cyclictest0-21swapper/221:20:122
4773992911,16cyclictest0-21swapper/222:30:312
4773992911,16cyclictest0-21swapper/222:25:012
477299293,5cyclictest4929-21sed00:10:001
477199299,17cyclictest0-21swapper/022:20:480
4771992915,12cyclictest0-21swapper/021:55:330
4771992914,12cyclictest0-21swapper/023:57:170
477399286,20cyclictest0-21swapper/223:50:232
477399285,22cyclictest0-21swapper/220:15:042
477399285,21cyclictest0-21swapper/219:45:442
477399285,21cyclictest0-21swapper/219:10:012
4773992816,11cyclictest0-21swapper/220:47:152
477399275,20cyclictest0-21swapper/219:50:292
4773992716,10cyclictest0-21swapper/219:15:342
4773992710,15cyclictest0-21swapper/223:00:132
4771992713,12cyclictest0-21swapper/023:15:220
4771992713,12cyclictest0-21swapper/022:40:200
4771992713,12cyclictest0-21swapper/000:15:020
4771992613,11cyclictest0-21swapper/023:40:280
4771992611,13cyclictest0-21swapper/000:35:290
4771992611,13cyclictest0-21swapper/000:35:290
477399258,15cyclictest0-21swapper/200:35:312
477399258,15cyclictest0-21swapper/200:35:302
477399243,19cyclictest25296-21stress00:27:142
477199246,16cyclictest0-21swapper/023:00:010
477199246,16cyclictest0-21swapper/023:00:010
477199243,12cyclictest12573-21ntp_states00:25:280
477399237,13cyclictest0-21swapper/222:35:282
477399236,15cyclictest0-21swapper/221:10:172
477199235,5cyclictest81rcu_preempt00:21:110
477199233,11cyclictest9334-21irqstats23:00:230
477199233,11cyclictest1883-21wget21:30:120
477399226,13cyclictest0-21swapper/221:25:172
477199227,13cyclictest0-21swapper/023:10:280
477399216,13cyclictest0-21swapper/223:15:272
477399213,4cyclictest12150-21/usr/sbin/munin23:05:352
477199213,6cyclictest13822-21aten2_r7power_p00:30:110
477199213,5cyclictest25293-21stress21:50:170
34342212,3sleep225293-21stress21:30:542
47182202,3sleep225293-21stress00:09:072
477399193,5cyclictest25296-21stress23:22:432
477399192,6cyclictest25293-21stress23:11:322
4773991915,3cyclictest25293-21stress00:21:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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