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2026-06-23 - 21:25
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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 23, 2026 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16510211756,56sleep20-21swapper/207:09:502
16287211455,54sleep00-21swapper/007:07:070
16251211051,20sleep10-21swapper/107:06:441
16253210951,20sleep30-21swapper/307:06:463
265312540,1sleep15146-21stress09:55:581
16626995116,25cyclictest0-21swapper/009:25:300
1662699493,35cyclictest5144-21stress11:14:280
1662699493,34cyclictest23997-21fschecks_time12:20:210
1662699482,29cyclictest5146-21stress12:30:340
1662699473,28cyclictest5144-21stress11:50:260
1662699472,33cyclictest5146-21stress12:12:070
1662699463,33cyclictest5146-21stress09:24:240
1662699463,25cyclictest5144-21stress10:25:340
1662699462,28cyclictest5144-21stress10:50:300
1662699453,32cyclictest5146-21stress10:19:110
1662699453,27cyclictest5146-21stress11:55:110
1662699453,27cyclictest5146-21stress11:55:100
1662699453,27cyclictest29338-21aten2_r7power_p10:05:120
1662699453,26cyclictest5146-21stress12:00:220
1662699453,26cyclictest5146-21stress09:41:490
1662699453,26cyclictest5146-21stress09:41:480
1662699453,26cyclictest5144-21stress10:57:420
1662699452,32cyclictest5144-21stress11:22:150
1662699452,28cyclictest5146-21stress12:28:110
1662699452,27cyclictest5146-21stress12:38:270
16626994515,21cyclictest0-21swapper/011:05:160
1662699445,25cyclictest6466-21unixbench_singl07:55:240
1662699443,29cyclictest5146-21stress10:20:150
1662699443,25cyclictest5146-21stress12:19:390
1662699443,25cyclictest5144-21stress11:35:350
1662699443,25cyclictest5144-21stress09:10:220
1662699442,32cyclictest5144-21stress11:45:440
1662699442,27cyclictest5146-21stress10:45:230
1662699442,27cyclictest5144-21stress10:11:010
1662699442,27cyclictest5144-21stress10:11:000
1662699442,27cyclictest5144-21stress09:15:260
1662699442,26cyclictest5146-21stress10:35:120
1662699442,26cyclictest5146-21stress10:05:010
1662699442,26cyclictest5144-21stress09:30:230
16628994313,27cyclictest0-21swapper/211:25:272
1662699433,26cyclictest5143-21stress10:30:220
1662699433,25cyclictest5144-21stress12:05:170
1662699433,25cyclictest5144-21stress12:05:170
1662699433,24cyclictest5146-21stress10:40:110
1662699432,26cyclictest5144-21stress11:15:160
1662699432,25cyclictest5146-21stress09:45:290
1662699423,24cyclictest23174-21df09:50:160
1662699422,25cyclictest5144-21stress11:40:200
16626994216,20cyclictest0-21swapper/009:55:230
224262410,1sleep15144-21stress09:49:121
1662699415,22cyclictest0-21swapper/008:25:250
1662699413,28cyclictest10606-21cat08:05:230
1662699413,26cyclictest21696-21sh07:20:010
155872410,1sleep35146-21stress09:30:353
1662799409,28cyclictest0-21swapper/111:33:031
16627994012,25cyclictest0-21swapper/110:20:311
1662699405,28cyclictest0-21swapper/009:00:140
1662699403,34cyclictest4934-21chrt09:08:240
1662699402,23cyclictest5144-21stress11:00:140
16626994018,20cyclictest0-21swapper/011:25:150
1662899399,27cyclictest0-21swapper/209:35:342
16627993913,23cyclictest0-21swapper/112:35:071
1662699395,32cyclictest0-21swapper/007:25:170
1662699395,22cyclictest0-21swapper/008:15:150
1662699393,27cyclictest31410-21grep08:55:100
259832385,14sleep30-21swapper/307:29:283
16628993816,20cyclictest0-21swapper/210:30:432
16628993815,21cyclictest0-21swapper/212:15:252
16628993815,21cyclictest0-21swapper/211:35:052
16628993815,21cyclictest0-21swapper/210:55:262
16628993810,25cyclictest0-21swapper/212:14:242
1662699385,30cyclictest0-21swapper/007:35:120
1662699385,21cyclictest0-21swapper/008:39:590
1662699385,21cyclictest0-21swapper/007:50:150
1662699383,32cyclictest5144-21stress11:30:160
109362385,13sleep30-21swapper/308:07:013
86902375,13sleep30-21swapper/308:00:463
322612376,13sleep30-21swapper/307:40:303
285452375,11sleep20-21swapper/208:49:142
263242375,11sleep10-21swapper/108:43:281
260932375,13sleep30-21swapper/308:40:403
223692375,11sleep20-21swapper/208:35:102
21822375,11sleep30-21swapper/307:47:203
197562375,13sleep20-21swapper/208:28:172
16628993715,20cyclictest0-21swapper/211:20:042
16628993712,14cyclictest0-21swapper/210:00:342
1662699375,22cyclictest0-21swapper/008:01:400
1662699375,22cyclictest0-21swapper/007:20:540
1662699373,31cyclictest17158-21timerandwakeup08:20:230
1662699373,31cyclictest0-21swapper/008:45:000
45052365,13sleep20-21swapper/207:53:072
301782365,11sleep20-21swapper/207:37:172
27422365,13sleep30-21swapper/309:03:583
198912365,11sleep10-21swapper/108:29:561
16629993616,18cyclictest0-21swapper/309:54:073
16628993617,16cyclictest0-21swapper/212:09:082
16628993617,16cyclictest0-21swapper/212:09:082
16628993615,14cyclictest0-21swapper/211:05:262
16628993614,20cyclictest0-21swapper/210:45:332
16628993611,22cyclictest0-21swapper/211:15:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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