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2026-07-23 - 19:32
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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 rackdslot1.osadl.org (updated Thu Jul 23, 2026 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1852921630,3sleep3557099cyclictest09:55:173
1989021530,5sleep00-21swapper/011:10:000
299082690,5sleep1556899cyclictest11:30:191
134491650,3ptp4l28508-21ls12:35:250
45702630,5sleep30-21swapper/307:05:233
134491630,3ptp4l20787-21memory08:50:201
134491620,5ptp4l0-21swapper/309:35:253
557099607,11cyclictest0-21swapper/312:30:203
134491600,4ptp4l0-21swapper/111:35:201
134491600,3ptp4l21140-21ls12:20:212
134491590,4ptp4l3813-21cstates09:25:140
134491590,4ptp4l0-21swapper/111:45:001
557099587,7cyclictest0-21swapper/312:05:283
134491580,4ptp4l0-21swapper/311:17:343
134491580,4ptp4l0-21swapper/308:31:173
134491580,3ptp4l0-21swapper/211:26:402
557099577,6cyclictest0-21swapper/308:55:273
557099577,6cyclictest0-21swapper/308:00:133
134491570,5ptp4l0-21swapper/207:05:442
134491570,4ptp4l0-21swapper/011:50:140
134491570,3ptp4l0-21swapper/208:36:272
557099567,6cyclictest0-21swapper/311:23:303
557099566,6cyclictest0-21swapper/312:25:263
557099566,10cyclictest0-21swapper/309:05:013
134491560,4ptp4l0-21swapper/011:16:080
557099556,6cyclictest0-21swapper/310:41:453
557099556,6cyclictest0-21swapper/308:45:063
134491550,4ptp4l0-21swapper/010:40:260
134491550,3ptp4l0-21swapper/011:35:100
134491550,3ptp4l0-21swapper/007:10:250
557099547,6cyclictest0-21swapper/311:55:343
557099547,6cyclictest0-21swapper/309:12:563
557099547,6cyclictest0-21swapper/308:10:563
557099547,6cyclictest0-21swapper/307:52:033
557099546,8cyclictest0-21swapper/309:25:233
557099546,11cyclictest0-21swapper/308:35:233
134491540,4ptp4l0-21swapper/212:32:442
134491540,4ptp4l0-21swapper/010:22:320
134491540,4ptp4l0-21swapper/010:01:430
134491540,4ptp4l0-21swapper/007:55:590
134491540,3ptp4l0-21swapper/107:17:141
134491540,12ptp4l0-21swapper/011:21:240
557099538,11cyclictest0-21swapper/309:45:253
557099537,6cyclictest0-21swapper/312:10:173
557099537,6cyclictest0-21swapper/312:02:123
557099537,6cyclictest0-21swapper/308:25:223
557099537,6cyclictest0-21swapper/308:09:283
557099537,6cyclictest0-21swapper/307:46:493
557099536,6cyclictest0-21swapper/310:38:483
134491530,4ptp4l0-21swapper/208:30:582
134491530,4ptp4l0-21swapper/007:30:490
134491530,11ptp4l0-21swapper/009:30:260
557099526,6cyclictest0-21swapper/310:06:223
557099524,7cyclictest0-21swapper/307:25:113
134491520,4ptp4l0-21swapper/209:21:192
134491520,4ptp4l0-21swapper/208:41:312
134491520,4ptp4l0-21swapper/110:54:361
134491520,4ptp4l0-21swapper/110:32:421
134491520,4ptp4l0-21swapper/107:23:261
134491520,4ptp4l0-21swapper/011:55:100
134491520,4ptp4l0-21swapper/011:46:270
557099518,7cyclictest0-21swapper/307:44:063
557099517,8cyclictest0-21swapper/312:23:423
557099517,6cyclictest0-21swapper/309:43:113
557099517,6cyclictest0-21swapper/307:10:593
557099515,6cyclictest0-21swapper/308:50:263
134491510,4ptp4l0-21swapper/211:36:202
134491510,4ptp4l0-21swapper/110:42:541
134491510,4ptp4l0-21swapper/010:55:400
134491510,3ptp4l0-21swapper/211:55:162
134491510,3ptp4l0-21swapper/210:40:222
134491510,3ptp4l0-21swapper/107:48:071
134491510,3ptp4l0-21swapper/107:44:141
134491510,14ptp4l0-21swapper/212:29:022
557099508,6cyclictest0-21swapper/311:33:013
557099507,6cyclictest0-21swapper/310:21:443
557099507,6cyclictest0-21swapper/310:12:453
557099502,5cyclictest0-21swapper/309:20:253
134491500,4ptp4l0-21swapper/211:40:112
134491500,4ptp4l0-21swapper/209:52:302
134491500,4ptp4l0-21swapper/208:16:072
134491500,4ptp4l0-21swapper/111:53:561
134491500,4ptp4l0-21swapper/110:05:041
134491500,4ptp4l0-21swapper/010:25:100
134491500,3ptp4l0-21swapper/007:24:050
557099497,7cyclictest0-21swapper/310:57:263
557099497,7cyclictest0-21swapper/307:21:543
557099497,6cyclictest0-21swapper/312:36:023
557099497,6cyclictest0-21swapper/311:25:593
557099497,6cyclictest0-21swapper/310:47:143
557099497,5cyclictest0-21swapper/307:18:133
557099496,6cyclictest0-21swapper/310:27:253
557099495,6cyclictest0-21swapper/311:35:223
134491490,4ptp4l0-21swapper/211:22:332
134491490,4ptp4l0-21swapper/209:47:182
134491490,4ptp4l0-21swapper/207:28:412
134491490,4ptp4l0-21swapper/108:11:251
134491490,4ptp4l0-21swapper/010:19:520
134491490,4ptp4l0-21swapper/010:11:590
134491490,3ptp4l0-21swapper/010:53:160
128362490,6sleep10-21swapper/107:25:151
557099487,8cyclictest0-21swapper/307:37:403
557099487,7cyclictest0-21swapper/311:01:153
557099487,6cyclictest0-21swapper/312:19:493
557099487,6cyclictest0-21swapper/311:06:133
557099487,6cyclictest0-21swapper/308:19:393
557099486,7cyclictest0-21swapper/309:17:173
557099486,6cyclictest0-21swapper/311:50:243
557099486,6cyclictest0-21swapper/311:46:113
557099486,6cyclictest0-21swapper/311:14:143
557099485,6cyclictest0-21swapper/310:30:203
134491480,4ptp4l0-21swapper/210:46:482
134491480,4ptp4l0-21swapper/208:56:042
134491480,4ptp4l0-21swapper/208:05:152
134491480,4ptp4l0-21swapper/111:02:111
134491480,3ptp4l0-21swapper/211:34:182
134491480,3ptp4l0-21swapper/208:49:052
134491480,3ptp4l0-21swapper/009:13:450
557099477,6cyclictest0-21swapper/311:40:253
557099477,6cyclictest0-21swapper/309:53:393
557099472,7cyclictest14928-21cpuspeed07:30:123
134491470,8ptp4l0-21swapper/212:39:112
134491470,5ptp4l0-21swapper/009:40:120
134491470,4ptp4l0-21swapper/211:51:192
134491470,4ptp4l0-21swapper/211:47:372
134491470,4ptp4l0-21swapper/208:21:552
134491470,3ptp4l0-21swapper/210:39:092
134491470,3ptp4l0-21swapper/011:00:420
134491470,3ptp4l0-21swapper/008:54:110
557099467,6cyclictest0-21swapper/310:50:393
557099466,7cyclictest0-21swapper/309:30:053
557099465,6cyclictest0-21swapper/308:40:233
557099464,6cyclictest0-21swapper/310:00:153
134491460,4ptp4l0-21swapper/212:14:002
134491460,4ptp4l0-21swapper/212:05:502
134491460,3ptp4l0-21swapper/211:05:362
134491460,3ptp4l0-21swapper/209:55:282
557099455,6cyclictest0-21swapper/309:00:243
557099455,6cyclictest0-21swapper/307:55:253
134491450,5ptp4l0-21swapper/008:30:120
134491450,4ptp4l0-21swapper/209:26:332
134491450,4ptp4l0-21swapper/112:22:441
134491450,4ptp4l0-21swapper/110:03:021
134491450,4ptp4l0-21swapper/012:01:210
134491450,4ptp4l0-21swapper/011:31:400
134491450,3ptp4l1317-21runrttasks07:09:570
134491450,3ptp4l0-21swapper/207:55:142
134491450,3ptp4l0-21swapper/110:10:161
134491450,2ptp4l0-21swapper/108:44:261
557099447,6cyclictest0-21swapper/310:17:353
134491440,4ptp4l0-21swapper/209:14:552
134491440,3ptp4l24596-21apt-get10:10:112
134491440,3ptp4l10854-21apt-get12:00:122
134491440,3ptp4l0-21swapper/209:18:092
557099436,6cyclictest0-21swapper/308:20:193
134491430,9ptp4l0-21swapper/009:18:410
134491430,8ptp4l8265-21/usr/sbin/munin08:25:212
134491430,5ptp4l0-21swapper/112:30:261
134491430,4ptp4l0-21swapper/207:44:172
134491430,3ptp4l2737-21ls09:20:250
134491430,3ptp4l0-21swapper/211:17:262
134491430,3ptp4l0-21swapper/111:24:021
134491430,3ptp4l0-21swapper/108:35:461
134491430,11ptp4l9-21ksoftirqd/010:45:320
134491420,9ptp4l0-21swapper/209:37:472
134491420,9ptp4l0-21swapper/207:31:572
134491420,9ptp4l0-21swapper/007:16:110
134491420,8ptp4l0-21swapper/008:00:440
134491420,5ptp4l0-21swapper/107:08:111
134491420,5ptp4l0-21swapper/012:10:100
134491420,4ptp4l26741-21apt-get09:05:122
134491420,4ptp4l21986-21apt-get07:45:142
134491420,4ptp4l1301-21snmpd12:28:240
134491420,4ptp4l0-21swapper/112:13:101
134491420,4ptp4l0-21swapper/110:36:381
134491420,4ptp4l0-21swapper/108:15:271
134491420,3ptp4l3936-21apt-get11:45:121
134491420,3ptp4l0-21swapper/212:16:202
134491420,3ptp4l0-21swapper/109:14:161
134491410,5ptp4l6290-21diskstats08:20:140
134491410,5ptp4l4735-21ntp_states09:25:241
134491410,5ptp4l20514-21/usr/sbin/munin11:10:171
134491410,5ptp4l0-21swapper/111:25:191
134491410,5ptp4l0-21swapper/109:20:201
134491410,5ptp4l0-21swapper/011:10:250
134491410,5ptp4l0-21swapper/008:06:170
134491410,4ptp4l9953-21users08:25:280
134491410,4ptp4l25443-21meminfo07:50:202
134491410,4ptp4l16534-21users07:30:281
134491410,4ptp4l12722-21df07:25:150
134491410,4ptp4l0-21swapper/210:15:282
134491410,4ptp4l0-21swapper/111:15:201
134491410,4ptp4l0-21swapper/012:33:160
134491410,4ptp4l0-21swapper/009:50:480
134491410,4ptp4l0-21swapper/007:54:560
134491410,4ptp4l0-21swapper/007:36:110
134491410,3ptp4l9566-21users07:15:302
134491410,3ptp4l3658-21apt-get08:15:130
134491410,3ptp4l22130-21apt-get08:55:141
134491410,3ptp4l0-21swapper/012:06:180
134491410,12ptp4l0-21swapper/209:34:302
134491400,9ptp4l0-21swapper/012:19:220
134491400,5ptp4l22182-21/usr/sbin/munin08:55:150
134491400,5ptp4l17813-21irqrtprio07:35:191
134491400,5ptp4l0-21swapper/010:35:120
134491400,5ptp4l0-21swapper/009:55:060
134491400,4ptp4l27429-21iostat_ios11:25:180
134491400,4ptp4l24654-21df09:00:140
134491400,4ptp4l11692-21meminfo09:40:191
134491400,4ptp4l0-21swapper/210:29:302
134491400,4ptp4l0-21swapper/209:01:222
134491400,4ptp4l0-21swapper/112:39:151
134491400,4ptp4l0-21swapper/110:55:171
134491400,4ptp4l0-21swapper/110:46:101
134491400,4ptp4l0-21swapper/110:25:261
134491400,4ptp4l0-21swapper/109:37:421
134491400,4ptp4l0-21swapper/109:19:381
134491400,4ptp4l0-21swapper/012:20:190
134491400,4ptp4l0-21swapper/010:30:410
134491400,4ptp4l0-21swapper/009:45:220
134491400,4ptp4l0-21swapper/009:06:520
134491400,4ptp4l0-21swapper/008:38:200
134491400,3ptp4l16339-21meminfo09:50:201
134491400,3ptp4l0-21swapper/011:42:060
134491390,5ptp4l0-21swapper/211:10:502
134491390,5ptp4l0-21swapper/208:12:132
134491390,5ptp4l0-21swapper/110:16:251
134491390,5ptp4l0-21swapper/108:45:071
134491390,5ptp4l0-21swapper/107:10:171
134491390,4ptp4l13122-21grep10:55:132
134491390,4ptp4l0-21swapper/210:30:222
134491390,4ptp4l0-21swapper/210:20:262
134491390,4ptp4l0-21swapper/210:05:072
134491390,4ptp4l0-21swapper/210:00:002
134491390,4ptp4l0-21swapper/209:40:162
134491390,4ptp4l0-21swapper/207:24:222
134491390,4ptp4l0-21swapper/207:14:342
134491390,4ptp4l0-21swapper/111:55:201
134491390,4ptp4l0-21swapper/109:30:361
134491390,4ptp4l0-21swapper/109:00:201
134491390,4ptp4l0-21swapper/108:32:301
134491390,4ptp4l0-21swapper/108:26:541
134491390,4ptp4l0-21swapper/107:50:281
134491390,4ptp4l0-21swapper/010:08:580
134491390,4ptp4l0-21swapper/008:45:400
134491390,4ptp4l0-21swapper/007:47:300
134491390,4ptp4l0-21swapper/007:40:480
134491390,3ptp4l2158-21irqstats08:10:200
134491390,3ptp4l16301-21memory11:00:212
134491390,3ptp4l16085-21irqstats08:40:180
134491390,3ptp4l0-21swapper/111:07:481
134491380,4ptp4l0-21swapper/208:50:182
134491380,4ptp4l0-21swapper/207:36:012
134491380,4ptp4l0-21swapper/112:06:161
134491380,4ptp4l0-21swapper/112:00:201
134491380,4ptp4l0-21swapper/110:20:151
134491380,4ptp4l0-21swapper/109:55:171
134491380,4ptp4l0-21swapper/109:45:271
134491380,4ptp4l0-21swapper/109:05:131
134491380,4ptp4l0-21swapper/108:08:241
134491380,4ptp4l0-21swapper/009:38:490
134491380,3ptp4l23760-21python12:25:241
134491380,3ptp4l0-21swapper/210:50:242
134491380,3ptp4l0-21swapper/208:00:122
134491380,3ptp4l0-21swapper/112:15:251
134491380,3ptp4l0-21swapper/108:20:591
134491370,4ptp4l0-21swapper/108:00:191
134491370,4ptp4l0-21swapper/107:57:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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