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2026-08-25 - 17:16
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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 Tue Aug 25, 2026 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6648212062,53sleep30-21swapper/307:06:453
3023521190,1sleep328662-21stress10:25:183
3023521190,1sleep328662-21stress10:25:173
5435211151,24sleep10-21swapper/107:05:151
691528749,32sleep00-21swapper/007:09:560
667828762,20sleep20-21swapper/207:07:052
93922590,1sleep028662-21stress09:36:480
7025994828,18cyclictest0-21swapper/309:25:223
7025994632,12cyclictest0-21swapper/311:12:223
7025994529,13cyclictest0-21swapper/310:44:293
7023994527,16cyclictest0-21swapper/111:37:471
7025994428,13cyclictest0-21swapper/311:05:563
7025994428,13cyclictest0-21swapper/310:32:523
7025994425,16cyclictest0-21swapper/309:31:283
7023994426,16cyclictest0-21swapper/112:25:191
7025994329,12cyclictest0-21swapper/309:50:123
7025994329,12cyclictest0-21swapper/309:50:123
7025994327,14cyclictest0-21swapper/310:00:153
7025994326,15cyclictest0-21swapper/312:25:073
7025994226,13cyclictest0-21swapper/309:14:243
7025994226,13cyclictest0-21swapper/309:14:243
7025994225,14cyclictest0-21swapper/310:20:153
7025994223,17cyclictest0-21swapper/311:41:333
702499427,16cyclictest0-21swapper/212:07:522
702399426,25cyclictest0-21swapper/109:15:351
702399426,25cyclictest0-21swapper/109:15:351
7023994211,18cyclictest28662-21stress10:00:121
7023994210,22cyclictest0-21swapper/107:45:171
7025994125,14cyclictest0-21swapper/310:57:313
7025994125,13cyclictest0-21swapper/312:02:003
702399417,24cyclictest0-21swapper/111:01:461
7023994127,12cyclictest0-21swapper/110:15:251
7023994125,14cyclictest0-21swapper/112:13:081
7023994125,14cyclictest0-21swapper/112:13:081
154862410,1sleep028664-21stress12:16:290
7025994025,13cyclictest0-21swapper/310:50:293
7025994025,13cyclictest0-21swapper/309:35:293
7025994024,13cyclictest0-21swapper/310:14:043
7025994023,15cyclictest0-21swapper/310:05:223
702399407,24cyclictest0-21swapper/112:30:241
7023994026,12cyclictest0-21swapper/111:15:141
7023994024,13cyclictest0-21swapper/112:00:001
7023994012,16cyclictest28664-21stress10:40:171
307782405,11sleep20-21swapper/208:00:152
7025993924,12cyclictest0-21swapper/312:21:033
702399398,28cyclictest0-21swapper/110:45:251
7023993922,15cyclictest0-21swapper/110:32:341
7023993920,16cyclictest0-21swapper/112:09:371
7023993914,14cyclictest28664-21stress11:30:161
7023993913,13cyclictest19615-21uniq07:35:141
7022993911,22cyclictest0-21swapper/008:55:230
7025993828,8cyclictest28664-21stress12:30:353
7025993824,12cyclictest0-21swapper/311:25:153
7025993824,12cyclictest0-21swapper/310:36:563
7025993824,12cyclictest0-21swapper/310:36:563
7024993818,17cyclictest0-21swapper/210:16:382
702399388,28cyclictest0-21swapper/110:09:221
702399388,27cyclictest0-21swapper/109:45:291
702399388,27cyclictest0-21swapper/109:45:291
702399388,27cyclictest0-21swapper/109:41:591
702399387,28cyclictest0-21swapper/112:20:371
702399387,25cyclictest0-21swapper/107:10:581
7023993824,12cyclictest0-21swapper/109:10:231
7023993824,12cyclictest0-21swapper/109:10:231
7023993814,13cyclictest0-21swapper/108:20:151
7022993811,21cyclictest0-21swapper/007:46:050
7022993811,21cyclictest0-21swapper/007:35:040
318242385,13sleep00-21swapper/008:01:370
7025993723,12cyclictest0-21swapper/311:15:213
7025993717,17cyclictest0-21swapper/311:00:163
7024993715,19cyclictest0-21swapper/211:32:222
7024993711,23cyclictest0-21swapper/209:44:002
702399379,25cyclictest0-21swapper/110:37:361
702399379,25cyclictest0-21swapper/110:37:361
702399375,30cyclictest0-21swapper/110:10:211
7023993719,17cyclictest0-21swapper/111:20:391
7023993713,14cyclictest28664-21stress12:20:011
7023993710,17cyclictest28005-21wget07:55:121
7023993710,15cyclictest28664-21stress09:53:551
7023993710,15cyclictest28664-21stress09:53:551
7022993716,15cyclictest0-21swapper/008:40:060
7022993710,21cyclictest0-21swapper/007:55:370
702599369,25cyclictest0-21swapper/310:45:133
702599367,27cyclictest0-21swapper/307:58:183
702399369,19cyclictest0-21swapper/108:05:211
702399369,15cyclictest28664-21stress11:50:351
702399369,15cyclictest28664-21stress11:50:341
702399367,26cyclictest0-21swapper/112:00:151
702399365,20cyclictest0-21swapper/107:15:231
702299367,22cyclictest0-21swapper/007:34:240
702299365,25cyclictest0-21swapper/008:05:020
7022993610,21cyclictest0-21swapper/008:50:060
129912365,13sleep00-21swapper/008:33:450
702599358,25cyclictest0-21swapper/308:45:083
702599357,26cyclictest0-21swapper/308:30:153
7025993521,12cyclictest26700-21/usr/sbin/munin09:05:223
7025993521,12cyclictest0-21swapper/309:24:133
7025993521,12cyclictest0-21swapper/309:24:133
7025993519,14cyclictest0-21swapper/308:27:393
702399357,12cyclictest28662-21stress11:25:351
702399353,23cyclictest0-21swapper/107:25:061
7023993518,15cyclictest0-21swapper/109:20:221
7023993518,15cyclictest0-21swapper/109:20:221
7023993510,8cyclictest28662-21stress09:58:291
702299358,21cyclictest0-21swapper/007:54:110
702299357,25cyclictest0-21swapper/011:40:010
702299355,24cyclictest0-21swapper/009:05:010
7022993510,20cyclictest0-21swapper/008:45:060
7022993510,19cyclictest0-21swapper/008:25:490
41772355,10sleep00-21swapper/008:14:200
702599349,22cyclictest0-21swapper/311:50:003
702599349,22cyclictest0-21swapper/311:50:003
702599348,24cyclictest0-21swapper/307:54:393
702599348,24cyclictest0-21swapper/307:30:583
702599348,24cyclictest0-21swapper/307:19:093
702599347,25cyclictest0-21swapper/307:25:223
7025993419,13cyclictest0-21swapper/312:05:233
7025993417,14cyclictest2222-21/usr/sbin/munin08:10:213
702499347,17cyclictest0-21swapper/211:35:202
7024993411,20cyclictest0-21swapper/210:50:202
7024993410,21cyclictest0-21swapper/211:25:332
702399348,16cyclictest0-21swapper/108:45:191
702399348,11cyclictest28664-21stress09:37:181
702399346,25cyclictest0-21swapper/109:30:201
702399345,26cyclictest0-21swapper/108:02:351
702399344,19cyclictest0-21swapper/108:55:471
702399342,23cyclictest0-21swapper/107:54:121
7023993415,4cyclictest28664-21stress11:45:161
7023993415,4cyclictest28664-21stress11:45:161
7023993414,5cyclictest26794-21/usr/sbin/munin09:05:131
7023993411,14cyclictest28662-21stress12:35:271
702299347,24cyclictest0-21swapper/011:00:280
7022993419,13cyclictest0-21swapper/007:10:350
7022993415,16cyclictest0-21swapper/011:32:070
40842345,10sleep20-21swapper/208:13:142
295342345,10sleep20-21swapper/207:56:182
253372345,10sleep20-21swapper/207:48:482
231122345,10sleep00-21swapper/007:43:490
15492345,13sleep20-21swapper/208:05:362
151592345,10sleep20-21swapper/208:37:592
128552345,13sleep20-21swapper/208:32:032
83602335,13sleep20-21swapper/208:21:002
702599339,22cyclictest0-21swapper/311:50:213
702599339,22cyclictest0-21swapper/311:50:203
702599338,24cyclictest0-21swapper/309:04:093
702599338,24cyclictest0-21swapper/308:57:293
702599338,24cyclictest0-21swapper/308:22:483
7025993325,5cyclictest28664-21stress12:35:173
7025993317,14cyclictest0-21swapper/307:10:283
702499335,26cyclictest0-21swapper/208:49:192
7024993315,15cyclictest0-21swapper/211:05:352
7024993314,16cyclictest0-21swapper/211:55:022
7024993313,17cyclictest0-21swapper/212:10:222
7024993313,17cyclictest0-21swapper/212:10:222
7024993311,19cyclictest0-21swapper/210:20:102
702399339,9cyclictest28662-21stress11:00:011
702399339,14cyclictest0-21swapper/109:00:061
702399339,12cyclictest28662-21stress11:05:111
702399337,16cyclictest0-21swapper/108:52:091
702399336,25cyclictest0-21swapper/111:40:191
702399336,25cyclictest0-21swapper/108:32:431
702399336,25cyclictest0-21swapper/108:26:531
7023993315,5cyclictest1899-21runrttasks10:27:001
7023993315,5cyclictest1899-21runrttasks10:27:001
7023993313,8cyclictest13440-21ntp_states07:20:201
702299336,16cyclictest0-21swapper/011:50:370
702299336,16cyclictest0-21swapper/011:50:370
702299333,24cyclictest0-21swapper/008:35:170
7022993311,17cyclictest0-21swapper/007:15:060
7022993310,18cyclictest0-21swapper/007:25:360
702599328,22cyclictest0-21swapper/310:15:243
702599325,25cyclictest0-21swapper/307:39:293
7025993226,4cyclictest11538-21chrt09:41:183
7025993216,14cyclictest0-21swapper/308:15:233
7025993216,14cyclictest0-21swapper/308:15:233
7025993214,15cyclictest0-21swapper/309:15:123
7025993214,15cyclictest0-21swapper/309:15:113
7025993213,17cyclictest0-21swapper/307:22:173
7024993215,14cyclictest0-21swapper/210:40:372
7024993213,16cyclictest0-21swapper/209:20:352
7024993213,16cyclictest0-21swapper/209:20:342
7024993211,18cyclictest0-21swapper/210:45:232
702399329,21cyclictest0-21swapper/109:25:271
702399326,25cyclictest0-21swapper/107:42:031
7023993212,5cyclictest17297-21df_inode07:30:131
7023993211,5cyclictest13801-21df08:35:131
702299327,19cyclictest0-21swapper/007:23:320
702299326,23cyclictest0-21swapper/009:45:170
702299326,23cyclictest0-21swapper/009:45:170
702299326,17cyclictest0-21swapper/009:05:180
7022993215,15cyclictest0-21swapper/012:30:350
7022993214,15cyclictest0-21swapper/009:20:340
7022993214,15cyclictest0-21swapper/009:20:340
702599318,21cyclictest0-21swapper/309:55:223
702599318,21cyclictest0-21swapper/308:00:293
702599318,20cyclictest0-21swapper/312:15:153
702599316,23cyclictest0-21swapper/308:50:213
702599316,14cyclictest0-21swapper/307:45:493
702599315,24cyclictest0-21swapper/308:06:093
7025993125,4cyclictest28663-21stress12:10:343
7025993125,4cyclictest28663-21stress12:10:343
7025993125,4cyclictest28663-21stress11:35:223
7025993125,4cyclictest12530-21df09:45:153
7025993125,4cyclictest12530-21df09:45:153
7025993121,8cyclictest28662-21stress11:21:093
7025993115,14cyclictest0-21swapper/307:40:393
702499315,24cyclictest0-21swapper/209:05:232
702499315,24cyclictest0-21swapper/208:55:022
702499315,24cyclictest0-21swapper/208:54:492
702499315,24cyclictest0-21swapper/208:40:162
702499315,16cyclictest0-21swapper/207:22:212
7024993115,14cyclictest0-21swapper/210:25:362
7024993115,14cyclictest0-21swapper/210:25:362
7024993110,18cyclictest0-21swapper/211:13:512
7023993113,5cyclictest3206-21grep08:10:181
7023993111,5cyclictest16036-21df08:40:131
702299318,20cyclictest0-21swapper/012:13:570
702299318,20cyclictest0-21swapper/012:13:570
702299318,20cyclictest0-21swapper/011:48:580
702299318,20cyclictest0-21swapper/011:48:580
702299317,19cyclictest0-21swapper/008:20:060
7022993114,15cyclictest0-21swapper/012:00:010
7022993114,14cyclictest0-21swapper/011:25:320
702599309,19cyclictest0-21swapper/311:55:283
702599309,19cyclictest0-21swapper/308:40:413
702599307,21cyclictest0-21swapper/308:35:113
7025993024,4cyclictest279882chrt11:33:003
702499305,23cyclictest0-21swapper/207:37:012
702499305,23cyclictest0-21swapper/207:27:392
702499305,19cyclictest0-21swapper/208:29:032
702499305,19cyclictest0-21swapper/208:19:172
702499305,19cyclictest0-21swapper/208:19:162
702499305,18cyclictest0-21swapper/209:04:352
702499305,12cyclictest0-21swapper/207:12:192
7024993015,13cyclictest0-21swapper/210:05:382
7024993011,17cyclictest0-21swapper/211:55:142
702399308,20cyclictest0-21swapper/110:50:301
702399307,7cyclictest28676-21ps10:20:281
7023993015,14cyclictest0-21swapper/108:15:031
7023993015,14cyclictest0-21swapper/108:15:031
702299307,20cyclictest0-21swapper/010:30:120
702299307,20cyclictest0-21swapper/010:10:240
702299305,23cyclictest0-21swapper/009:15:220
702299305,23cyclictest0-21swapper/009:15:220
7022993014,14cyclictest0-21swapper/010:50:270
7022993014,13cyclictest0-21swapper/010:04:090
7022993012,15cyclictest0-21swapper/010:15:120
7022993010,18cyclictest0-21swapper/008:18:040
7022993010,18cyclictest0-21swapper/008:18:030
7022993010,17cyclictest0-21swapper/009:10:260
7022993010,17cyclictest0-21swapper/009:10:260
702499295,23cyclictest0-21swapper/207:15:222
702499295,22cyclictest0-21swapper/207:50:212
702499295,22cyclictest0-21swapper/207:40:142
7024992917,11cyclictest0-21swapper/207:34:592
7024992915,12cyclictest0-21swapper/209:45:242
7024992915,12cyclictest0-21swapper/209:45:242
7024992914,12cyclictest0-21swapper/210:35:252
7024992914,12cyclictest0-21swapper/210:35:252
7024992913,14cyclictest0-21swapper/210:55:152
7023992923,4cyclictest28662-21stress11:10:261
702299296,21cyclictest0-21swapper/012:20:220
702299296,20cyclictest0-21swapper/011:10:210
702299293,17cyclictest147-21usb-storage11:15:370
702299293,17cyclictest1022-21jbd2/loop1-810:29:370
702299293,17cyclictest1022-21jbd2/loop1-810:29:370
7022992914,13cyclictest0-21swapper/009:55:330
7022992912,15cyclictest0-21swapper/009:30:280
7022992911,3cyclictest28662-21stress11:43:370
7022992910,16cyclictest0-21swapper/012:00:110
702499287,19cyclictest0-21swapper/212:26:532
7024992815,11cyclictest0-21swapper/210:00:282
7024992814,12cyclictest0-21swapper/211:00:192
7024992814,12cyclictest0-21swapper/210:15:012
7024992814,12cyclictest0-21swapper/209:50:242
7024992814,12cyclictest0-21swapper/209:50:232
7024992813,13cyclictest0-21swapper/209:10:222
7024992813,13cyclictest0-21swapper/209:10:212
7022992814,12cyclictest0-21swapper/011:00:000
7022992813,13cyclictest0-21swapper/011:20:130
7022992812,14cyclictest0-21swapper/009:40:140
702499276,16cyclictest28666-21iperf11:50:092
7024992719,6cyclictest28666-21iperf11:48:592
7024992719,6cyclictest28666-21iperf11:48:582
7024992711,13cyclictest0-21swapper/209:15:222
7024992711,13cyclictest0-21swapper/209:15:222
702299279,16cyclictest0-21swapper/009:50:300
702299279,16cyclictest0-21swapper/009:50:300
7022992712,12cyclictest0-21swapper/010:40:010
7022992712,12cyclictest0-21swapper/010:40:000
7022992710,14cyclictest0-21swapper/010:20:230
702499267,16cyclictest0-21swapper/209:25:152
7024992610,14cyclictest0-21swapper/212:30:242
7022992612,12cyclictest0-21swapper/009:25:180
702499259,14cyclictest0-21swapper/212:00:252
7024992511,12cyclictest0-21swapper/211:40:172
702299256,16cyclictest0-21swapper/012:05:550
702299252,12cyclictest1022-21jbd2/loop1-810:40:250
702299243,7cyclictest147-21usb-storage10:05:060
7022992411,11cyclictest0-21swapper/010:48:590
7022992410,12cyclictest0-21swapper/011:05:320
702499237,13cyclictest0-21swapper/210:35:012
7024992315,6cyclictest28661-21stress12:23:492
702299237,14cyclictest0-21swapper/012:35:230
702499228,12cyclictest0-21swapper/212:15:182
702499227,13cyclictest0-21swapper/209:30:162
702499217,12cyclictest0-21swapper/212:35:172
702499216,13cyclictest0-21swapper/209:40:012
702499213,3cyclictest28663-21stress11:15:192
702299207,5cyclictest81rcu_preempt12:25:350
702499192,15cyclictest28661-21stress09:55:392
702499167,7cyclictest22257-21diskstats11:20:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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