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2026-03-23 - 22:18
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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 rack7slot1.osadl.org (updated Mon Mar 23, 2026 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14079211958,20sleep20-21swapper/207:05:082
15714211653,58sleep10-21swapper/107:07:061
15614211552,57sleep00-21swapper/007:05:500
15649211050,54sleep30-21swapper/307:06:163
16056994312,14cyclictest0-21swapper/111:10:241
261942420,1sleep33291-21stress11:18:203
16056994213,19cyclictest0-21swapper/111:37:471
287692410,1sleep33291-21stress10:09:373
16058994115,23cyclictest0-21swapper/310:20:313
16057994015,23cyclictest0-21swapper/211:58:502
16056994024,14cyclictest0-21swapper/112:05:291
1605899393,33cyclictest3291-21stress11:30:423
16058993915,21cyclictest0-21swapper/310:11:383
16057993916,20cyclictest0-21swapper/210:58:002
16057993913,23cyclictest0-21swapper/210:25:262
16056993915,22cyclictest0-21swapper/110:53:021
12492395,13sleep00-21swapper/007:48:240
315642385,14sleep20-21swapper/207:43:492
1605899383,33cyclictest3289-21stress10:50:083
1605899383,32cyclictest3291-21stress11:20:203
1605899383,20cyclictest3289-21stress09:12:293
1605899383,20cyclictest3289-21stress09:12:293
1605899382,33cyclictest3291-21stress12:24:393
1605899382,33cyclictest3291-21stress12:24:393
16058993815,20cyclictest0-21swapper/311:43:513
16058993815,20cyclictest0-21swapper/311:43:503
16057993816,20cyclictest0-21swapper/211:06:292
16057993815,21cyclictest0-21swapper/212:10:502
16056993813,22cyclictest0-21swapper/109:29:311
16056993811,24cyclictest0-21swapper/111:45:171
16055993814,21cyclictest0-21swapper/012:13:040
16055993814,21cyclictest0-21swapper/011:08:290
98312375,11sleep20-21swapper/208:08:042
203312375,13sleep00-21swapper/008:30:470
1605899373,31cyclictest9247-21grep11:55:113
1605899373,31cyclictest3291-21stress09:47:113
1605899373,31cyclictest2482-21idleruntime-cro11:40:003
1605899372,32cyclictest3291-21stress09:25:363
16058993718,17cyclictest0-21swapper/309:18:293
16058993716,19cyclictest0-21swapper/310:45:203
16058993715,20cyclictest0-21swapper/309:50:173
16058993715,19cyclictest0-21swapper/312:04:193
16058993714,21cyclictest0-21swapper/311:10:503
16058993713,21cyclictest0-21swapper/311:03:313
16058993712,22cyclictest0-21swapper/310:16:433
16057993716,19cyclictest0-21swapper/212:32:242
16057993716,19cyclictest0-21swapper/212:18:222
16057993714,20cyclictest0-21swapper/209:30:162
16057993713,21cyclictest0-21swapper/210:31:462
16056993714,21cyclictest0-21swapper/109:58:541
16056993713,14cyclictest0-21swapper/109:45:001
1605599378,18cyclictest0-21swapper/007:20:210
16055993711,23cyclictest0-21swapper/011:51:310
10832375,14sleep20-21swapper/207:46:222
78042365,13sleep20-21swapper/208:04:312
55062365,13sleep20-21swapper/207:57:412
46722365,13sleep10-21swapper/107:55:201
293982365,13sleep20-21swapper/207:38:252
292732365,10sleep00-21swapper/007:36:500
290992365,11sleep00-21swapper/008:53:560
290992365,11sleep00-21swapper/008:53:560
29042365,11sleep20-21swapper/209:06:172
250252365,13sleep10-21swapper/107:26:411
230212365,13sleep20-21swapper/207:23:162
210292365,13sleep10-21swapper/107:19:591
179902365,13sleep10-21swapper/107:13:161
1605899363,30cyclictest4307-21fschecks_time07:55:143
1605899363,30cyclictest3289-21stress09:10:023
1605899363,30cyclictest24413-21cstates12:30:133
1605899363,30cyclictest14759-21chrt09:35:203
1605899362,31cyclictest3291-21stress11:46:143
1605899362,31cyclictest3289-21stress11:55:003
16058993615,19cyclictest0-21swapper/311:05:073
16057993614,20cyclictest0-21swapper/211:50:102
16057993613,20cyclictest0-21swapper/210:40:102
16055993612,21cyclictest0-21swapper/011:20:250
16055993611,22cyclictest0-21swapper/010:57:020
16055993610,19cyclictest0-21swapper/008:00:250
11542365,14sleep10-21swapper/107:47:141
9632355,10sleep00-21swapper/009:04:280
9342355,11sleep10-21swapper/109:04:121
314292355,13sleep10-21swapper/107:42:031
313832355,13sleep00-21swapper/007:41:270
310952355,13sleep10-21swapper/108:57:061
184402355,13sleep10-21swapper/108:28:441
183552355,10sleep20-21swapper/208:27:402
180732355,13sleep20-21swapper/207:14:232
161412355,14sleep20-21swapper/208:21:342
160642355,11sleep00-21swapper/008:20:360
1605899353,29cyclictest3291-21stress11:30:033
1605899353,29cyclictest3289-21stress09:23:013
1605899353,29cyclictest3289-21stress09:23:013
1605899352,30cyclictest3291-21stress10:30:313
16057993515,18cyclictest0-21swapper/212:35:052
16057993514,18cyclictest0-21swapper/212:25:182
16057993514,18cyclictest0-21swapper/210:35:142
16057993514,18cyclictest0-21swapper/210:35:132
16057993514,18cyclictest0-21swapper/209:45:052
16057993514,18cyclictest0-21swapper/209:40:032
16057993513,19cyclictest0-21swapper/211:35:282
16057993512,20cyclictest0-21swapper/210:05:032
16056993514,18cyclictest0-21swapper/110:55:061
16056993512,13cyclictest0-21swapper/111:00:191
1605599357,25cyclictest0-21swapper/009:40:260
16055993515,17cyclictest0-21swapper/010:41:050
16055993514,18cyclictest0-21swapper/010:31:250
16055993512,18cyclictest0-21swapper/007:15:100
16055993511,21cyclictest0-21swapper/011:58:290
1605899343,29cyclictest3291-21stress12:10:143
1605899343,28cyclictest8536-21diskstats08:05:153
1605899343,28cyclictest7331-21sshd08:00:253
1605899343,28cyclictest3291-21stress12:35:203
1605899343,28cyclictest3291-21stress10:00:193
1605899343,28cyclictest3291-21stress09:55:153
1605899343,28cyclictest28297-21ntp_states08:50:213
1605899343,28cyclictest28297-21ntp_states08:50:203
1605899343,28cyclictest26178-21ntp_states08:45:213
1605899343,28cyclictest16059-21wget10:55:123
16058993415,17cyclictest0-21swapper/310:43:223
16058993412,20cyclictest0-21swapper/310:25:193
1605799349,22cyclictest0-21swapper/212:20:132
1605799349,22cyclictest0-21swapper/212:20:122
16057993415,16cyclictest0-21swapper/209:55:062
16057993415,16cyclictest0-21swapper/209:40:012
1605699349,19cyclictest0-21swapper/107:20:211
1605699346,21cyclictest0-21swapper/109:05:171
1605699344,23cyclictest0-21swapper/107:31:301
16056993420,12cyclictest0-21swapper/112:28:011
16056993414,17cyclictest0-21swapper/112:35:151
16056993414,17cyclictest0-21swapper/111:15:031
16055993416,15cyclictest0-21swapper/010:39:040
16055993416,15cyclictest0-21swapper/010:39:030
16055993414,17cyclictest0-21swapper/011:45:490
16055993411,17cyclictest0-21swapper/008:12:010
16055993410,19cyclictest0-21swapper/007:30:060
16055993410,18cyclictest0-21swapper/007:10:480
139912345,10sleep20-21swapper/208:16:492
77262335,10sleep10-21swapper/108:03:291
45662333,26sleep04671-21memory07:55:180
32662335,13sleep20-21swapper/207:51:232
310392335,13sleep20-21swapper/208:56:242
1605899333,28cyclictest8382-21ntp_states10:35:303
1605899333,28cyclictest8382-21ntp_states10:35:293
1605899333,28cyclictest3289-21stress12:05:123
1605899333,27cyclictest3289-21stress12:15:213
1605899333,27cyclictest32213-21if_err_eth209:00:163
1605899333,27cyclictest26531-21ntp_states07:30:203
1605899333,27cyclictest22038-21sed07:20:173
1605899333,27cyclictest17435-21kernelversion08:25:173
1605899333,27cyclictest17231-21cat07:10:203
1605899333,27cyclictest16748-21diskstats09:40:153
1605899333,27cyclictest12491-21/usr/sbin/munin09:30:173
1605899332,29cyclictest3291-21stress12:25:073
16057993316,15cyclictest0-21swapper/210:15:012
16057993316,14cyclictest0-21swapper/211:00:212
16057993310,20cyclictest0-21swapper/211:41:062
16057993310,20cyclictest0-21swapper/211:41:052
1605699335,22cyclictest0-21swapper/107:38:311
1605699335,12cyclictest0-21swapper/111:53:281
16056993315,15cyclictest0-21swapper/111:30:301
16056993312,19cyclictest0-21swapper/110:45:581
16055993315,15cyclictest0-21swapper/009:37:510
16055993314,16cyclictest0-21swapper/012:17:150
16055993314,16cyclictest0-21swapper/012:02:260
16055993312,19cyclictest0-21swapper/010:25:230
16055993310,17cyclictest0-21swapper/008:15:050
209422324,13sleep10-21swapper/108:35:081
1605899323,27cyclictest2394-21irqstats07:50:183
1605899323,27cyclictest19214-21diskstats08:30:133
1605899323,26cyclictest314-21memory07:45:193
1605899323,26cyclictest30644-21memory07:40:193
1605899323,26cyclictest29862-21diskstats08:55:143
1605899323,26cyclictest27972-21cut07:35:133
1605899323,26cyclictest24368-21/usr/sbin/munin07:25:203
1605899323,26cyclictest14818-21cpuspeed_turbos08:20:133
1605899323,26cyclictest12605-21ls08:15:123
16057993217,13cyclictest0-21swapper/211:45:132
16057993215,15cyclictest0-21swapper/209:15:162
16057993214,15cyclictest0-21swapper/212:05:412
16057993213,16cyclictest0-21swapper/209:50:182
1605699324,25cyclictest0-21swapper/111:40:221
1605699324,25cyclictest0-21swapper/111:40:221
16056993217,13cyclictest0-21swapper/110:15:211
16056993214,16cyclictest0-21swapper/110:25:071
16056993214,16cyclictest0-21swapper/109:19:001
16056993213,17cyclictest0-21swapper/110:03:071
16056993213,17cyclictest0-21swapper/109:30:051
1605599329,17cyclictest0-21swapper/008:40:170
1605599329,17cyclictest0-21swapper/008:06:330
1605599325,21cyclictest0-21swapper/008:35:290
16055993215,16cyclictest0-21swapper/008:55:110
16055993215,14cyclictest0-21swapper/009:50:320
16055993213,16cyclictest0-21swapper/011:15:310
16055993212,14cyclictest0-21swapper/007:29:010
16055993211,18cyclictest0-21swapper/012:35:050
16055993211,18cyclictest0-21swapper/012:20:120
16055993211,18cyclictest0-21swapper/012:20:110
16055993211,15cyclictest0-21swapper/007:50:290
16055993210,19cyclictest0-21swapper/012:31:470
251482315,13sleep20-21swapper/207:28:172
1605899313,26cyclictest23808-21irqstats08:40:173
1605899313,26cyclictest19547-21df_inode07:15:143
1605899313,26cyclictest10862-21/usr/sbin/munin08:10:153
1605899313,25cyclictest20938-21taskset08:35:043
1605799315,13cyclictest0-21swapper/209:01:342
16057993114,15cyclictest0-21swapper/210:50:152
16057993114,15cyclictest0-21swapper/210:15:112
1605699319,20cyclictest0-21swapper/110:30:151
1605699316,22cyclictest0-21swapper/110:40:281
1605699316,22cyclictest0-21swapper/110:36:031
1605699316,22cyclictest0-21swapper/110:36:021
1605699316,18cyclictest0-21swapper/108:30:301
1605699315,20cyclictest0-21swapper/107:53:311
1605699315,12cyclictest0-21swapper/111:55:301
16056993115,14cyclictest0-21swapper/110:20:251
16056993115,14cyclictest0-21swapper/109:50:221
16056993114,15cyclictest0-21swapper/112:10:201
16056993114,14cyclictest0-21swapper/109:20:021
16056993114,14cyclictest0-21swapper/109:20:021
16056993110,18cyclictest0-21swapper/109:14:581
16056993110,18cyclictest0-21swapper/109:14:581
16056993110,11cyclictest0-21swapper/108:46:051
16056993110,11cyclictest0-21swapper/108:11:281
1605599319,20cyclictest0-21swapper/009:55:080
1605599317,19cyclictest0-21swapper/008:25:460
16055993115,13cyclictest0-21swapper/012:25:220
16055993114,14cyclictest0-21swapper/011:00:220
16055993113,15cyclictest0-21swapper/010:50:150
1605799304,24cyclictest0-21swapper/208:45:332
16057993016,13cyclictest0-21swapper/208:35:242
16057993016,12cyclictest0-21swapper/210:00:282
16057993015,13cyclictest0-21swapper/209:20:322
16057993015,13cyclictest0-21swapper/209:20:322
16057993010,18cyclictest0-21swapper/211:10:322
16057993010,18cyclictest0-21swapper/209:25:272
1605699307,20cyclictest0-21swapper/111:25:291
1605699305,19cyclictest0-21swapper/108:15:061
1605699304,20cyclictest0-21swapper/108:50:391
1605699304,20cyclictest0-21swapper/108:50:381
16056993014,14cyclictest0-21swapper/112:15:261
16056993011,17cyclictest0-21swapper/112:30:071
16055993016,11cyclictest0-21swapper/010:05:030
16055993015,12cyclictest0-21swapper/009:20:250
16055993015,12cyclictest0-21swapper/009:20:250
16055993013,16cyclictest0-21swapper/009:05:380
16055993013,15cyclictest0-21swapper/011:32:250
16055993013,15cyclictest0-21swapper/009:45:100
16055993013,15cyclictest0-21swapper/008:45:360
16055993013,14cyclictest0-21swapper/010:50:010
16055993013,14cyclictest0-21swapper/009:30:200
16055993011,16cyclictest0-21swapper/009:10:190
16055993011,16cyclictest0-21swapper/009:10:190
16055993010,17cyclictest0-21swapper/010:20:350
1605799296,21cyclictest0-21swapper/208:50:142
1605799296,21cyclictest0-21swapper/208:50:132
16057992916,12cyclictest0-21swapper/208:10:042
16057992915,12cyclictest0-21swapper/210:45:262
16057992915,11cyclictest0-21swapper/211:25:212
16057992914,12cyclictest0-21swapper/210:20:222
1605699294,15cyclictest0-21swapper/109:35:121
16056992915,12cyclictest0-21swapper/110:10:241
1605799284,22cyclictest0-21swapper/207:33:342
1605799284,22cyclictest0-21swapper/207:15:332
16057992816,11cyclictest0-21swapper/208:34:442
16057992814,11cyclictest0-21swapper/212:00:152
16057992810,16cyclictest0-21swapper/211:15:122
1605699289,17cyclictest0-21swapper/112:20:281
1605699289,17cyclictest0-21swapper/112:20:271
1605699285,21cyclictest0-21swapper/108:40:131
1605699285,17cyclictest0-21swapper/108:07:311
1605599286,20cyclictest0-21swapper/010:10:140
16055992813,13cyclictest0-21swapper/010:00:220
16055992812,13cyclictest0-21swapper/009:15:020
16057992715,11cyclictest0-21swapper/208:40:142
16056992715,11cyclictest0-21swapper/108:20:471
16056992713,12cyclictest0-21swapper/111:25:011
16056992612,12cyclictest0-21swapper/111:05:211
1605599267,16cyclictest0-21swapper/011:40:220
1605599267,16cyclictest0-21swapper/011:40:220
1605599259,14cyclictest0-21swapper/011:25:270
16057992416,6cyclictest3290-21stress11:20:432
1605599246,16cyclictest0-21swapper/009:25:360
1605799226,14cyclictest0-21swapper/209:10:272
1605799226,14cyclictest0-21swapper/209:10:272
1605599225,15cyclictest0-21swapper/011:35:190
1605599223,7cyclictest3288-21stress10:16:150
151182222,3sleep03288-21stress12:07:590
1605699216,13cyclictest0-21swapper/109:45:281
127722212,2sleep13290-21stress12:00:371
16057992014,4cyclictest3293-21iperf11:30:232
1605699202,16cyclictest3288-21stress10:07:461
1605599182,14cyclictest3290-21stress11:10:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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