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2026-06-30 - 00:55
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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 376 highest latencies:
System rack7slot1.osadl.org (updated Mon Jun 29, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24646211758,20sleep30-21swapper/307:08:323
24500211552,58sleep10-21swapper/107:06:541
1705921120,3sleep313510-21stress09:15:313
24716211051,54sleep00-21swapper/007:09:230
24620210355,17sleep20-21swapper/207:08:162
306192540,1sleep313514-21stress09:46:313
24885994730,15cyclictest0-21swapper/110:27:321
24885994729,16cyclictest0-21swapper/112:11:301
24885994626,18cyclictest0-21swapper/112:07:281
24885994530,13cyclictest0-21swapper/112:29:371
24885994526,16cyclictest0-21swapper/110:56:291
2488599447,26cyclictest0-21swapper/110:00:141
24885994426,15cyclictest0-21swapper/111:07:571
2488599437,26cyclictest0-21swapper/109:15:181
24885994326,15cyclictest0-21swapper/110:52:261
2488599427,26cyclictest0-21swapper/109:55:271
2488599427,22cyclictest0-21swapper/110:05:341
2488599427,22cyclictest0-21swapper/110:05:331
24885994227,13cyclictest0-21swapper/111:25:591
24885994225,15cyclictest0-21swapper/112:00:171
24885994225,15cyclictest0-21swapper/112:00:171
24885994225,15cyclictest0-21swapper/111:55:191
24885994225,15cyclictest0-21swapper/111:30:031
24885994225,15cyclictest0-21swapper/110:11:081
24885994225,15cyclictest0-21swapper/110:11:071
24885994225,15cyclictest0-21swapper/109:35:341
2488599416,26cyclictest0-21swapper/110:15:181
2488599416,26cyclictest0-21swapper/110:15:181
2488599415,23cyclictest0-21swapper/111:35:171
24885994125,13cyclictest0-21swapper/109:50:051
24885994124,15cyclictest0-21swapper/111:45:181
2488599407,24cyclictest0-21swapper/109:25:321
24885994025,8cyclictest13513-21stress10:20:481
24885994022,15cyclictest0-21swapper/111:40:371
24885993923,14cyclictest0-21swapper/112:30:311
24885993923,14cyclictest0-21swapper/112:30:301
24885993913,12cyclictest13464-21idleruntime-cro09:10:011
2488499396,18cyclictest0-21swapper/011:10:220
24886993812,23cyclictest0-21swapper/211:43:392
24885993811,16cyclictest13514-21stress12:23:001
24885993810,17cyclictest13511-21stress11:15:371
24885993810,17cyclictest13511-21stress11:15:361
2488499387,17cyclictest0-21swapper/012:00:300
2488499387,17cyclictest0-21swapper/012:00:300
24887993715,19cyclictest0-21swapper/309:13:563
2488699375,21cyclictest0-21swapper/207:38:202
2488599376,19cyclictest0-21swapper/109:45:131
24885993725,5cyclictest13510-21stress10:44:151
24885993725,5cyclictest13510-21stress10:44:151
24885993723,12cyclictest0-21swapper/112:15:331
24885993714,8cyclictest13511-21stress10:30:141
24885993713,15cyclictest0-21swapper/108:14:381
24885993712,10cyclictest28439-21taskset09:41:581
24885993711,15cyclictest29525-21/usr/sbin/munin11:00:111
24885993711,15cyclictest13511-21stress10:35:371
24885993711,11cyclictest13514-21stress09:20:191
24884993711,20cyclictest0-21swapper/007:33:180
24884993711,17cyclictest0-21swapper/010:45:270
24884993711,17cyclictest0-21swapper/010:45:260
24884993710,22cyclictest0-21swapper/007:10:260
24884993710,22cyclictest0-21swapper/007:10:260
40952365,13sleep20-21swapper/207:33:262
24887993615,19cyclictest0-21swapper/310:00:363
24887993610,23cyclictest0-21swapper/310:16:093
24887993610,23cyclictest0-21swapper/310:16:093
2488599369,17cyclictest13511-21stress09:10:131
24885993615,8cyclictest2584-21sed11:10:321
24885993610,19cyclictest0-21swapper/107:55:221
24885993610,16cyclictest7565-21runrttasks11:23:171
24885993610,16cyclictest7565-21runrttasks11:23:161
2488499366,20cyclictest0-21swapper/010:53:490
24884993614,20cyclictest0-21swapper/010:20:230
24884993612,16cyclictest0-21swapper/008:00:060
24884993611,23cyclictest0-21swapper/012:30:060
24884993611,23cyclictest0-21swapper/012:30:060
24884993611,19cyclictest0-21swapper/008:54:170
24884993611,19cyclictest0-21swapper/007:19:470
24884993611,15cyclictest0-21swapper/007:39:460
87702355,10sleep30-21swapper/308:56:043
319942355,11sleep30-21swapper/307:22:403
318742355,13sleep00-21swapper/007:21:170
281522355,13sleep30-21swapper/308:29:053
2488799358,24cyclictest0-21swapper/311:51:183
24887993511,21cyclictest0-21swapper/311:49:343
24887993511,21cyclictest0-21swapper/311:21:193
24887993511,21cyclictest0-21swapper/311:21:183
24887993510,22cyclictest0-21swapper/312:32:153
24887993510,22cyclictest0-21swapper/312:32:153
2488699357,25cyclictest0-21swapper/210:21:332
24886993516,16cyclictest0-21swapper/211:58:062
24886993514,19cyclictest0-21swapper/211:10:332
2488599358,25cyclictest0-21swapper/107:40:011
24885993514,6cyclictest19072-21head08:05:241
24885993513,14cyclictest27845-21ntp_states07:15:031
24885993511,16cyclictest13510-21stress09:30:361
24885993511,16cyclictest13510-21stress09:30:361
24885993510,11cyclictest13511-21stress12:35:071
24885993510,10cyclictest13511-21stress10:46:091
24885993510,10cyclictest13511-21stress10:46:091
2488499359,23cyclictest0-21swapper/012:29:270
2488499358,17cyclictest0-21swapper/008:25:360
2488499358,17cyclictest0-21swapper/008:16:210
24884993510,20cyclictest0-21swapper/008:06:180
24884993510,20cyclictest0-21swapper/007:55:070
24884993510,19cyclictest0-21swapper/008:56:220
24884993510,19cyclictest0-21swapper/007:25:060
215652355,10sleep30-21swapper/308:13:373
126352355,13sleep00-21swapper/007:51:090
84392345,13sleep30-21swapper/307:42:503
61872345,10sleep30-21swapper/307:36:453
297832345,13sleep20-21swapper/207:18:022
2488799349,22cyclictest0-21swapper/309:57:053
2488799347,24cyclictest0-21swapper/309:25:193
24887993415,17cyclictest0-21swapper/310:36:163
24887993411,20cyclictest0-21swapper/309:51:253
24887993410,21cyclictest0-21swapper/310:40:043
24887993410,21cyclictest0-21swapper/310:40:043
24887993410,21cyclictest0-21swapper/309:36:183
2488699345,18cyclictest0-21swapper/211:35:122
24886993416,15cyclictest0-21swapper/209:34:512
24886993416,15cyclictest0-21swapper/209:34:512
24886993412,19cyclictest0-21swapper/212:35:562
24886993410,21cyclictest0-21swapper/209:18:212
2488599349,23cyclictest0-21swapper/108:25:231
2488599349,22cyclictest0-21swapper/111:54:241
2488599349,18cyclictest0-21swapper/108:30:171
2488599347,21cyclictest0-21swapper/107:50:111
24885993413,8cyclictest6771-21runrttasks08:53:091
24885993412,13cyclictest10143-21ls07:45:201
2488499349,19cyclictest0-21swapper/008:20:280
2488499349,19cyclictest0-21swapper/007:41:460
2488499348,24cyclictest0-21swapper/010:25:130
2488499348,19cyclictest0-21swapper/009:21:470
2488499347,24cyclictest0-21swapper/012:05:160
2488499347,24cyclictest0-21swapper/011:50:220
24884993414,17cyclictest0-21swapper/012:20:250
24884993411,16cyclictest0-21swapper/008:30:050
24884993410,16cyclictest0-21swapper/008:45:590
216212345,10sleep20-21swapper/208:14:202
104852345,10sleep00-21swapper/007:46:230
326472335,10sleep30-21swapper/308:39:433
260102335,12sleep20-21swapper/208:24:272
2488799338,23cyclictest0-21swapper/312:18:133
2488799338,22cyclictest0-21swapper/311:16:233
2488799338,22cyclictest0-21swapper/311:16:223
24887993311,19cyclictest0-21swapper/311:05:213
24887993310,20cyclictest0-21swapper/312:20:063
24887993310,20cyclictest0-21swapper/311:00:023
24887993310,20cyclictest0-21swapper/309:20:263
2488699337,23cyclictest0-21swapper/212:02:012
2488699337,23cyclictest0-21swapper/212:02:002
2488699336,24cyclictest0-21swapper/210:30:282
2488699335,26cyclictest0-21swapper/208:33:062
2488699335,26cyclictest0-21swapper/207:50:072
24886993315,15cyclictest0-21swapper/210:35:122
24886993315,15cyclictest0-21swapper/210:05:272
24886993315,15cyclictest0-21swapper/210:05:272
24886993315,15cyclictest0-21swapper/210:03:472
24886993314,17cyclictest0-21swapper/210:44:502
24886993314,17cyclictest0-21swapper/210:44:502
24886993312,18cyclictest0-21swapper/211:47:322
24886993311,19cyclictest0-21swapper/212:30:222
24886993311,19cyclictest0-21swapper/212:30:222
2488599338,20cyclictest0-21swapper/109:00:021
24885993314,5cyclictest900-21df_inode08:40:111
24885993314,5cyclictest7598-21df_inode08:55:151
24885993314,5cyclictest31151-21df08:35:151
24885993314,5cyclictest15836-21df08:00:131
24885993313,6cyclictest7705-21ntp_states07:40:211
24885993312,13cyclictest4375-21wc07:35:001
2488499339,18cyclictest0-21swapper/009:05:050
2488499336,24cyclictest0-21swapper/012:12:020
24884993315,15cyclictest0-21swapper/012:37:170
24884993310,17cyclictest0-21swapper/008:40:320
133712335,13sleep20-21swapper/209:09:212
268702325,10sleep20-21swapper/207:13:292
268702325,10sleep20-21swapper/207:13:292
2488799329,20cyclictest0-21swapper/310:45:123
2488799329,20cyclictest0-21swapper/310:45:113
2488799325,25cyclictest0-21swapper/307:34:483
24887993214,16cyclictest0-21swapper/312:10:233
24887993214,16cyclictest0-21swapper/310:20:273
24887993211,19cyclictest0-21swapper/310:50:233
24887993211,18cyclictest0-21swapper/311:55:083
2488699326,7cyclictest0-21swapper/210:15:132
2488699326,7cyclictest0-21swapper/210:15:132
2488699325,25cyclictest0-21swapper/209:03:062
2488699325,25cyclictest0-21swapper/208:55:562
2488699325,25cyclictest0-21swapper/208:52:172
2488699325,25cyclictest0-21swapper/208:46:432
2488699325,25cyclictest0-21swapper/208:44:172
2488699325,25cyclictest0-21swapper/208:29:522
2488699325,25cyclictest0-21swapper/208:15:032
2488699325,25cyclictest0-21swapper/208:07:462
2488699325,25cyclictest0-21swapper/207:46:022
24886993214,15cyclictest0-21swapper/211:50:302
24886993214,15cyclictest0-21swapper/210:13:142
24886993214,15cyclictest0-21swapper/210:13:142
24886993212,17cyclictest0-21swapper/212:14:212
24885993215,5cyclictest24817-21latency_hist07:10:011
24885993215,5cyclictest24817-21latency_hist07:10:001
24885993214,5cyclictest24538-21df08:20:121
24885993214,5cyclictest22361-21df08:15:131
24885993213,5cyclictest431-21diskstats07:25:121
24885993213,5cyclictest3774-21ntp_states08:45:201
24885993213,5cyclictest31015-21irqstats07:20:181
2488499329,20cyclictest0-21swapper/012:15:220
24884993215,14cyclictest0-21swapper/011:00:160
24884993212,17cyclictest0-21swapper/011:59:200
24884993212,17cyclictest0-21swapper/009:50:140
24884993211,19cyclictest0-21swapper/010:40:260
24884993211,19cyclictest0-21swapper/010:40:250
24884993210,19cyclictest0-21swapper/011:05:130
24884993210,12cyclictest0-21swapper/008:35:530
105012320,2sleep013513-21stress10:15:250
105012320,2sleep013513-21stress10:15:250
24887993116,12cyclictest0-21swapper/311:25:203
24887993114,15cyclictest0-21swapper/309:30:143
24887993114,15cyclictest0-21swapper/309:30:133
24887993114,14cyclictest0-21swapper/311:40:273
24887993111,17cyclictest0-21swapper/312:35:193
24886993116,12cyclictest0-21swapper/209:50:212
24886993115,15cyclictest0-21swapper/207:27:472
24886993113,15cyclictest0-21swapper/211:01:452
24886993113,15cyclictest0-21swapper/209:40:202
24886993112,16cyclictest0-21swapper/212:05:132
24886993110,19cyclictest0-21swapper/207:55:172
24886993110,19cyclictest0-21swapper/207:20:232
2488499317,21cyclictest0-21swapper/011:25:010
2488499317,21cyclictest0-21swapper/011:25:010
2488499317,17cyclictest0-21swapper/009:00:010
2488499315,19cyclictest0-21swapper/008:10:120
24884993114,15cyclictest0-21swapper/011:25:330
24887993016,12cyclictest0-21swapper/310:30:253
24887993015,12cyclictest0-21swapper/310:25:123
24887993014,14cyclictest0-21swapper/312:25:183
24887993013,14cyclictest0-21swapper/311:10:213
24887993011,17cyclictest0-21swapper/312:05:163
2488699306,14cyclictest0-21swapper/208:04:222
2488699305,23cyclictest0-21swapper/208:35:182
2488699305,15cyclictest0-21swapper/207:44:282
24886993015,13cyclictest0-21swapper/210:25:182
24886993015,13cyclictest0-21swapper/209:45:162
24886993014,14cyclictest0-21swapper/209:25:332
24886993014,13cyclictest0-21swapper/212:15:032
24886993010,18cyclictest0-21swapper/210:47:412
24886993010,18cyclictest0-21swapper/210:47:402
2488499305,23cyclictest0-21swapper/009:55:200
24884993014,14cyclictest0-21swapper/011:30:130
24884993013,15cyclictest0-21swapper/011:50:010
24884993013,15cyclictest0-21swapper/009:16:410
24884993013,14cyclictest0-21swapper/011:15:300
24884993013,14cyclictest0-21swapper/011:15:290
24884993013,14cyclictest0-21swapper/009:25:160
24884993012,16cyclictest0-21swapper/009:30:160
24884993012,16cyclictest0-21swapper/009:30:160
24884993010,17cyclictest0-21swapper/009:10:160
2488799299,18cyclictest0-21swapper/309:40:203
24887992911,16cyclictest0-21swapper/311:00:023
24887992911,16cyclictest0-21swapper/309:00:413
24886992914,13cyclictest0-21swapper/211:20:202
24886992914,13cyclictest0-21swapper/211:20:202
24886992913,14cyclictest0-21swapper/212:25:162
24886992913,13cyclictest0-21swapper/209:35:092
24886992910,16cyclictest0-21swapper/211:30:162
2488499296,21cyclictest0-21swapper/011:35:260
24884992914,13cyclictest0-21swapper/009:48:570
24884992911,16cyclictest0-21swapper/010:56:580
2488799285,22cyclictest0-21swapper/308:18:583
2488799285,21cyclictest0-21swapper/308:50:583
2488799285,21cyclictest0-21swapper/307:25:483
2488799284,22cyclictest0-21swapper/308:31:593
24887992814,12cyclictest0-21swapper/310:05:073
24887992814,12cyclictest0-21swapper/310:05:063
24887992812,14cyclictest0-21swapper/307:10:253
24887992812,14cyclictest0-21swapper/307:10:253
2488699286,6cyclictest259702ntp_kernel_pll_10:50:282
24886992815,10cyclictest0-21swapper/211:15:132
24886992815,10cyclictest0-21swapper/211:15:132
24886992814,12cyclictest0-21swapper/209:55:142
24886992811,15cyclictest0-21swapper/210:55:252
2488499289,17cyclictest0-21swapper/010:30:020
24884992814,12cyclictest0-21swapper/010:10:270
24884992814,12cyclictest0-21swapper/010:10:270
2488799279,16cyclictest0-21swapper/311:30:283
2488799275,21cyclictest0-21swapper/309:05:083
2488799275,20cyclictest0-21swapper/307:51:483
2488799275,20cyclictest0-21swapper/307:15:073
2488799274,21cyclictest0-21swapper/307:46:183
24887992715,11cyclictest0-21swapper/308:04:593
24887992711,15cyclictest0-21swapper/308:40:513
24887992710,15cyclictest0-21swapper/308:22:463
24887992710,15cyclictest0-21swapper/308:08:323
24886992711,14cyclictest0-21swapper/209:20:252
2488499277,17cyclictest0-21swapper/010:05:270
2488499277,17cyclictest0-21swapper/010:05:260
2488799265,19cyclictest0-21swapper/308:45:223
2488699267,16cyclictest0-21swapper/212:20:152
2488699266,18cyclictest0-21swapper/211:05:292
2488699259,14cyclictest0-21swapper/209:15:022
2488499255,9cyclictest1022-21jbd2/loop1-810:01:030
24884992513,10cyclictest0-21swapper/009:35:110
24887992410,12cyclictest0-21swapper/307:55:193
2488799236,15cyclictest0-21swapper/312:00:113
2488799236,15cyclictest0-21swapper/312:00:113
24886992316,5cyclictest13516-21iperf11:25:272
2488499235,16cyclictest0-21swapper/010:35:200
2488499226,15cyclictest0-21swapper/011:43:210
2488799213,16cyclictest13513-21stress11:38:493
2488499216,13cyclictest0-21swapper/009:40:220
2488799205,14cyclictest0-21swapper/310:10:163
2488799205,14cyclictest0-21swapper/310:10:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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