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2026-07-02 - 05:16
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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 rackdslot1.osadl.org (updated Thu Jul 02, 2026 00:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2103199642,19cyclictest0-21swapper/021:55:230
134491640,4ptp4l0-21swapper/323:30:253
2103299618,22cyclictest766-21gdbus00:35:241
134491600,4ptp4l0-21swapper/322:30:153
134491600,4ptp4l0-21swapper/319:40:173
2103199590,18cyclictest14547-21cat23:35:010
134491590,3ptp4l0-21swapper/300:35:183
2103199580,24cyclictest32711-21seq20:45:060
134491580,4ptp4l0-21swapper/322:36:513
134491580,4ptp4l0-21swapper/221:13:562
134491580,4ptp4l0-21swapper/122:25:221
134491580,4ptp4l0-21swapper/122:25:221
134491580,4ptp4l0-21swapper/020:19:110
2103299571,3cyclictest137891phc2sys23:05:261
198082570,4sleep341-21ksoftirqd/319:05:203
134491570,4ptp4l0-21swapper/022:45:270
134491570,4ptp4l0-21swapper/020:44:230
134491570,4ptp4l0-21swapper/020:00:100
134491560,4ptp4l0-21swapper/323:14:033
134491560,4ptp4l0-21swapper/220:44:122
134491560,4ptp4l0-21swapper/120:23:141
134491560,3ptp4l0-21swapper/220:25:002
134491550,3ptp4l0-21swapper/222:47:572
134491550,3ptp4l0-21swapper/220:53:442
134491550,3ptp4l0-21swapper/219:34:312
134491550,3ptp4l0-21swapper/122:02:391
134491540,4ptp4l0-21swapper/221:34:332
134491540,4ptp4l0-21swapper/219:27:062
134491540,3ptp4l0-21swapper/320:40:293
134491530,4ptp4l0-21swapper/321:24:593
134491530,4ptp4l0-21swapper/221:51:552
134491530,3ptp4l0-21swapper/323:52:303
134491530,3ptp4l0-21swapper/320:05:283
134491530,3ptp4l0-21swapper/220:58:272
134491520,4ptp4l0-21swapper/323:28:083
134491520,4ptp4l0-21swapper/322:22:053
134491520,4ptp4l0-21swapper/220:46:002
134491520,3ptp4l0-21swapper/223:18:152
134491520,3ptp4l0-21swapper/221:18:422
2103199510,24cyclictest4418-21taskset19:42:090
134491510,9ptp4l19656-21memory19:05:180
134491510,5ptp4l0-21swapper/219:57:082
134491510,5ptp4l0-21swapper/219:57:082
134491510,4ptp4l0-21swapper/320:50:093
134491510,4ptp4l0-21swapper/219:40:042
134491510,3ptp4l0-21swapper/323:23:073
134491510,3ptp4l0-21swapper/321:33:263
134491510,3ptp4l0-21swapper/219:48:182
134491510,3ptp4l0-21swapper/219:17:032
134491500,8ptp4l19547-21irqstats19:05:171
134491500,6ptp4l0-21swapper/219:08:282
134491500,4ptp4l0-21swapper/321:39:333
134491500,4ptp4l0-21swapper/319:20:083
134491490,4ptp4l0-21swapper/223:49:592
134491490,3ptp4l0-21swapper/322:57:103
134491490,3ptp4l0-21swapper/321:01:163
134491490,16ptp4l0-21swapper/119:51:111
134491490,11ptp4l0-21swapper/300:09:083
134491480,8ptp4l7188-21apt-get19:50:120
134491480,4ptp4l0-21swapper/320:10:163
134491480,4ptp4l0-21swapper/319:35:423
134491480,4ptp4l0-21swapper/319:30:473
134491480,4ptp4l0-21swapper/300:10:263
134491480,4ptp4l0-21swapper/220:10:472
134491480,4ptp4l0-21swapper/219:51:592
134491480,3ptp4l2103499cyclictest23:40:273
134491470,4ptp4l2103499cyclictest21:25:393
134491470,4ptp4l0-21swapper/323:07:043
134491470,3ptp4l0-21swapper/220:02:042
134491460,9ptp4l0-21swapper/320:20:203
134491460,4ptp4l0-21swapper/319:14:393
134491460,10ptp4l0-21swapper/023:06:150
2103199453,20cyclictest18618-21cat20:15:010
134491450,9ptp4l4259-21sed20:50:271
134491450,9ptp4l0-21swapper/000:09:180
134491450,5ptp4l0-21swapper/122:17:061
134491450,3ptp4l0-21swapper/223:24:312
134491450,3ptp4l0-21swapper/220:07:072
134491450,11ptp4l0-21swapper/319:17:243
134491440,9ptp4l0-21swapper/020:07:110
134491440,8ptp4l0-21swapper/222:58:272
134491440,5ptp4l0-21swapper/121:45:251
134491440,4ptp4l0-21swapper/323:37:473
134491440,4ptp4l0-21swapper/220:16:572
134491440,3ptp4l0-21swapper/323:49:553
134491440,10ptp4l0-21swapper/321:58:063
2103199430,23cyclictest13485-21mailstats22:20:250
134491430,9ptp4l0-21swapper/300:28:513
134491430,8ptp4l0-21swapper/022:34:450
134491430,8ptp4l0-21swapper/000:25:140
134491430,5ptp4l19990-21memory22:35:210
134491430,5ptp4l0-21swapper/020:20:160
134491430,4ptp4l0-21swapper/323:16:333
134491430,4ptp4l0-21swapper/322:01:573
134491430,3ptp4l0-21swapper/222:04:452
134491430,10ptp4l0-21swapper/319:51:123
134491430,10ptp4l0-21swapper/319:48:463
134491430,10ptp4l0-21swapper/221:24:492
134491430,10ptp4l0-21swapper/219:21:562
21034994237,3cyclictest41-21ksoftirqd/320:50:013
2103299420,5cyclictest134491ptp4l21:15:131
134491420,5ptp4l24016-21apt-get23:55:133
134491420,5ptp4l0-21swapper/319:55:123
134491420,5ptp4l0-21swapper/319:55:123
134491420,5ptp4l0-21swapper/123:25:131
134491420,5ptp4l0-21swapper/122:20:241
134491420,5ptp4l0-21swapper/120:35:271
134491420,5ptp4l0-21swapper/120:15:221
134491420,5ptp4l0-21swapper/020:55:010
134491420,4ptp4l7930-21hddtemp_smartct22:10:153
134491420,4ptp4l28336-21hddtemp_smartct20:35:173
134491420,4ptp4l25817-21df20:30:143
134491420,4ptp4l11623-21apt-get22:17:053
134491420,4ptp4l10947-21meminfo23:25:190
134491420,4ptp4l0-21swapper/122:40:171
134491420,4ptp4l0-21swapper/023:35:230
134491420,3ptp4l0-21swapper/223:59:512
134491420,10ptp4l0-21swapper/019:32:370
134491420,10ptp4l0-21swapper/000:18:180
21033994136,3cyclictest33-21ksoftirqd/223:50:172
134491410,9ptp4l1317-21runrttasks22:44:412
134491410,9ptp4l0-21swapper/222:38:572
134491410,5ptp4l24175-21/usr/sbin/munin21:35:181
134491410,5ptp4l0-21swapper/320:55:223
134491410,5ptp4l0-21swapper/220:35:252
134491410,5ptp4l0-21swapper/123:35:201
134491410,5ptp4l0-21swapper/120:30:221
134491410,5ptp4l0-21swapper/119:20:171
134491410,5ptp4l0-21swapper/022:25:110
134491410,5ptp4l0-21swapper/022:25:110
134491410,4ptp4l5775-21iostat_ios22:05:170
134491410,4ptp4l5714-21apt-get00:25:112
134491410,4ptp4l5631-21hddtemp_smartct22:05:153
134491410,4ptp4l27102-21ntp_states21:40:233
134491410,4ptp4l1599-21iostat00:15:173
134491410,4ptp4l15403-21memory22:25:213
134491410,4ptp4l15403-21memory22:25:213
134491410,4ptp4l15304-21irqstats21:15:200
134491410,4ptp4l10076-21df21:05:120
134491410,4ptp4l0-21swapper/322:40:113
134491410,4ptp4l0-21swapper/321:54:353
134491410,4ptp4l0-21swapper/319:29:583
134491410,4ptp4l0-21swapper/221:46:512
134491410,4ptp4l0-21swapper/123:50:221
134491410,4ptp4l0-21swapper/121:50:151
134491410,4ptp4l0-21swapper/121:40:161
134491410,4ptp4l0-21swapper/120:40:131
134491410,4ptp4l0-21swapper/023:55:430
134491410,4ptp4l0-21swapper/023:20:300
134491410,4ptp4l0-21swapper/022:10:190
134491410,4ptp4l0-21swapper/021:30:590
134491410,3ptp4l9997-21apt-get23:25:112
134491410,3ptp4l9796-21apt-get22:15:112
134491410,3ptp4l22022-21memory19:10:201
134491410,3ptp4l20151-21meminfo23:45:191
134491410,3ptp4l13860-21ls23:30:271
21031994010,18cyclictest1317-21runrttasks19:20:060
134491400,5ptp4l0-21swapper/223:40:252
134491400,5ptp4l0-21swapper/219:35:132
134491400,5ptp4l0-21swapper/122:05:111
134491400,5ptp4l0-21swapper/120:25:191
134491400,5ptp4l0-21swapper/119:35:281
134491400,5ptp4l0-21swapper/022:43:270
134491400,4ptp4l6200-21meminfo20:55:201
134491400,4ptp4l4365-21memory00:20:213
134491400,4ptp4l32253-21users21:50:290
134491400,4ptp4l24621-21meminfo21:35:210
134491400,4ptp4l12281-21/usr/sbin/munin23:30:222
134491400,4ptp4l0-21swapper/222:23:332
134491400,4ptp4l0-21swapper/219:12:052
134491400,4ptp4l0-21swapper/123:15:151
134491400,4ptp4l0-21swapper/122:45:261
134491400,4ptp4l0-21swapper/122:31:301
134491400,4ptp4l0-21swapper/119:45:131
134491400,4ptp4l0-21swapper/119:40:261
134491400,4ptp4l0-21swapper/023:41:210
134491400,4ptp4l0-21swapper/023:15:270
134491400,4ptp4l0-21swapper/022:55:400
134491400,4ptp4l0-21swapper/021:46:040
134491400,4ptp4l0-21swapper/021:40:070
134491400,4ptp4l0-21swapper/021:20:300
134491400,4ptp4l0-21swapper/020:36:240
134491400,4ptp4l0-21swapper/020:29:340
134491400,4ptp4l0-21swapper/019:16:070
134491400,4ptp4l0-21swapper/019:12:490
134491400,3ptp4l9863-21apt-get21:05:112
134491400,3ptp4l7874-21diskstats21:00:142
134491400,3ptp4l30783-21apt-get23:00:153
134491400,3ptp4l28285-21apt-get21:45:123
134491400,3ptp4l26908-21memory22:50:223
134491400,3ptp4l2661-21ls00:15:272
134491400,3ptp4l0-21swapper/300:03:253
134491390,6ptp4l3550-21tr00:20:142
134491390,5ptp4l0-21swapper/322:46:513
134491390,5ptp4l0-21swapper/321:05:263
134491390,5ptp4l0-21swapper/122:35:201
134491390,5ptp4l0-21swapper/119:30:141
134491390,5ptp4l0-21swapper/000:01:200
134491390,4ptp4l28118-21sed21:45:012
134491390,4ptp4l0-21swapper/321:15:143
134491390,4ptp4l0-21swapper/321:10:173
134491390,4ptp4l0-21swapper/320:15:123
134491390,4ptp4l0-21swapper/320:00:243
134491390,4ptp4l0-21swapper/300:32:283
134491390,4ptp4l0-21swapper/223:35:302
134491390,4ptp4l0-21swapper/223:05:272
134491390,4ptp4l0-21swapper/222:11:182
134491390,4ptp4l0-21swapper/222:05:142
134491390,4ptp4l0-21swapper/221:36:132
134491390,4ptp4l0-21swapper/220:30:202
134491390,4ptp4l0-21swapper/220:21:262
134491390,4ptp4l0-21swapper/200:39:322
134491390,4ptp4l0-21swapper/123:10:211
134491390,4ptp4l0-21swapper/123:00:161
134491390,4ptp4l0-21swapper/122:55:121
134491390,4ptp4l0-21swapper/122:50:001
134491390,4ptp4l0-21swapper/122:11:161
134491390,4ptp4l0-21swapper/121:55:171
134491390,4ptp4l0-21swapper/121:12:151
134491390,4ptp4l0-21swapper/121:06:541
134491390,4ptp4l0-21swapper/120:05:591
134491390,4ptp4l0-21swapper/119:25:081
134491390,4ptp4l0-21swapper/119:19:141
134491390,4ptp4l0-21swapper/100:00:151
134491390,4ptp4l0-21swapper/023:50:120
134491390,4ptp4l0-21swapper/023:49:290
134491390,4ptp4l0-21swapper/023:00:200
134491390,4ptp4l0-21swapper/022:51:310
134491390,4ptp4l0-21swapper/022:02:190
134491390,4ptp4l0-21swapper/021:25:150
134491390,4ptp4l0-21swapper/021:10:190
134491390,4ptp4l0-21swapper/021:00:060
134491390,4ptp4l0-21swapper/020:54:260
134491390,4ptp4l0-21swapper/020:31:300
134491390,4ptp4l0-21swapper/019:35:290
134491390,4ptp4l0-21swapper/019:26:210
134491390,4ptp4l0-21swapper/000:30:170
134491390,4ptp4l0-21swapper/000:22:080
134491390,4ptp4l0-21swapper/000:14:190
134491390,3ptp4l33-21ksoftirqd/200:00:272
134491390,3ptp4l20190-21ntp_states21:25:231
134491390,3ptp4l0-21swapper/222:54:412
134491390,3ptp4l0-21swapper/222:29:182
134491390,3ptp4l0-21swapper/222:29:182
134491390,3ptp4l0-21swapper/121:22:141
134491390,3ptp4l0-21swapper/120:48:001
134491380,5ptp4l0-21swapper/123:20:191
134491380,4ptp4l0-21swapper/320:25:163
134491380,4ptp4l0-21swapper/222:31:592
134491380,4ptp4l0-21swapper/221:25:172
134491380,4ptp4l0-21swapper/200:05:332
134491380,4ptp4l0-21swapper/121:31:091
134491380,4ptp4l0-21swapper/120:02:581
134491380,4ptp4l0-21swapper/119:55:241
134491380,4ptp4l0-21swapper/119:55:231
134491380,4ptp4l0-21swapper/023:10:240
134491380,4ptp4l0-21swapper/019:57:000
134491380,4ptp4l0-21swapper/019:57:000
134491380,4ptp4l0-21swapper/019:45:060
134491380,4ptp4l0-21swapper/000:39:570
134491380,3ptp4l33-21ksoftirqd/223:00:492
134491380,3ptp4l0-21swapper/223:10:032
134491380,3ptp4l0-21swapper/221:55:142
134491380,3ptp4l0-21swapper/123:56:311
134491380,3ptp4l0-21swapper/123:40:231
134491380,3ptp4l0-21swapper/121:00:261
134491380,3ptp4l0-21swapper/120:11:321
134491380,3ptp4l0-21swapper/022:15:250
134491370,5ptp4l0-21swapper/100:30:111
134491370,5ptp4l0-21swapper/100:15:251
134491370,4ptp4l0-21swapper/200:10:062
134491370,3ptp4l0-21swapper/200:30:132
134491370,3ptp4l0-21swapper/100:07:301
21032993615,18cyclictest3980-21sh00:20:181
134491360,3ptp4l0-21swapper/100:28:281
134491350,3ptp4l0-21swapper/100:10:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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