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2026-06-02 - 14:31
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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 100 highest latencies:
System rack7slot1.osadl.org (updated Tue Jun 02, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15410211855,23sleep30-21swapper/307:06:283
15686211553,57sleep00-21swapper/007:09:490
1541629062,23sleep20-21swapper/207:06:302
1552328557,23sleep10-21swapper/107:07:541
291592590,2sleep14050-21stress11:20:241
149542520,1sleep14052-21stress10:49:161
15801994411,18cyclictest0-21swapper/111:30:311
15801994411,17cyclictest0-21swapper/112:10:231
1580199435,22cyclictest4050-21stress11:25:151
1580199433,25cyclictest4050-21stress10:40:121
1580199433,25cyclictest4050-21stress10:40:111
1580199432,31cyclictest4052-21stress11:55:121
1580199432,26cyclictest4050-21stress11:00:231
1580199432,26cyclictest4050-21stress11:00:231
1580199431,27cyclictest4050-21stress09:20:121
1580199431,27cyclictest4050-21stress09:20:121
1580199423,25cyclictest4050-21stress11:35:261
1580199422,26cyclictest4050-21stress12:30:211
1580199422,25cyclictest4052-21stress10:09:311
1580199422,25cyclictest4050-21stress09:10:211
1580199422,25cyclictest4050-21stress09:10:211
15801994214,25cyclictest0-21swapper/112:21:011
15801994211,29cyclictest0-21swapper/110:10:121
15801994210,29cyclictest0-21swapper/111:40:261
15801994210,29cyclictest0-21swapper/111:40:261
1580199415,20cyclictest0-21swapper/110:03:181
1580199412,29cyclictest4052-21stress11:05:151
1580199412,25cyclictest4052-21stress12:00:131
1580199412,24cyclictest4050-21stress11:15:021
1580199411,26cyclictest4050-21stress10:32:321
15800994115,23cyclictest0-21swapper/009:27:500
15800994110,28cyclictest0-21swapper/011:10:050
15800994110,20cyclictest0-21swapper/012:25:050
15802994012,25cyclictest0-21swapper/210:28:192
1580199402,24cyclictest4052-21stress10:25:261
1580199402,24cyclictest4052-21stress09:15:321
1580199402,23cyclictest4050-21stress12:26:371
1580199402,23cyclictest4050-21stress12:06:501
1580199402,23cyclictest4050-21stress12:06:501
1580199402,23cyclictest4050-21stress10:15:291
15801994010,21cyclictest0-21swapper/109:25:271
1580099409,28cyclictest0-21swapper/012:11:180
15800994016,21cyclictest0-21swapper/010:56:400
15800994015,22cyclictest0-21swapper/012:23:040
231112395,14sleep00-21swapper/008:38:070
15802993915,21cyclictest0-21swapper/209:18:062
15802993915,13cyclictest0-21swapper/212:20:132
1580199392,23cyclictest4050-21stress10:37:201
1580199392,22cyclictest4052-21stress11:45:361
1580199392,20cyclictest4052-21stress12:15:271
1580199392,20cyclictest4052-21stress12:15:271
15801993911,16cyclictest0-21swapper/108:25:151
15800993911,25cyclictest0-21swapper/009:30:130
15800993910,26cyclictest0-21swapper/009:40:050
316572385,13sleep30-21swapper/308:56:183
1580199383,22cyclictest11847-21wc08:10:201
1580199383,21cyclictest4052-21stress11:50:131
1580199382,22cyclictest4050-21stress12:37:541
15801993817,19cyclictest0-21swapper/109:53:231
15801993814,22cyclictest0-21swapper/109:55:241
15801993814,22cyclictest0-21swapper/109:55:241
15800993816,19cyclictest0-21swapper/011:09:410
14872385,14sleep30-21swapper/309:01:553
144152385,31sleep00-21swapper/008:18:110
78142375,14sleep20-21swapper/208:01:362
78142375,14sleep20-21swapper/208:01:362
33632375,14sleep00-21swapper/007:50:320
210692370,1sleep04052-21stress09:46:380
210692370,1sleep04052-21stress09:46:380
186282375,14sleep30-21swapper/308:26:123
164922375,14sleep30-21swapper/308:21:263
15802993716,19cyclictest0-21swapper/209:46:562
15802993716,19cyclictest0-21swapper/209:46:562
15802993716,18cyclictest0-21swapper/210:00:172
15802993714,20cyclictest0-21swapper/210:15:212
15802993711,23cyclictest0-21swapper/209:35:122
1580199373,23cyclictest1899-21runrttasks07:55:341
1580199373,23cyclictest1899-21runrttasks07:46:481
1580199373,23cyclictest1899-21runrttasks07:14:551
1580199372,32cyclictest4050-21stress09:35:321
1580199372,24cyclictest4051-21stress09:45:291
1580199372,24cyclictest4051-21stress09:45:291
1580199372,21cyclictest4050-21stress09:30:221
15801993714,17cyclictest0-21swapper/109:05:131
15801993711,24cyclictest0-21swapper/111:15:161
15800993714,20cyclictest0-21swapper/011:32:560
142092375,14sleep20-21swapper/208:15:402
99062365,13sleep20-21swapper/208:05:462
318152365,14sleep00-21swapper/008:58:110
229342365,13sleep30-21swapper/308:35:573
207342365,14sleep00-21swapper/008:30:410
15803993615,18cyclictest0-21swapper/311:21:443
15803993611,22cyclictest0-21swapper/312:10:083
15802993616,18cyclictest0-21swapper/209:32:352
15802993615,18cyclictest0-21swapper/212:25:192
15802993614,20cyclictest0-21swapper/210:50:262
15802993614,19cyclictest0-21swapper/211:15:342
1580199369,15cyclictest0-21swapper/108:20:051
1580199363,22cyclictest1899-21runrttasks07:15:241
1580199362,22cyclictest22494-21timerwakeupswit07:20:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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