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2025-12-06 - 04:05
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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 Sat Dec 06, 2025 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3174021710,6sleep31638399cyclictest20:50:193
2673221380,5sleep21638299cyclictest22:57:392
2847191750,4ptp4l0-21swapper/320:27:303
2847191640,4ptp4l16721-21ntp_states22:35:232
2847191630,4ptp4l0-21swapper/020:45:160
245842620,6sleep01638099cyclictest20:35:160
2847191610,4ptp4l11873-21seq20:07:122
2847191610,21ptp4l0-21swapper/219:29:012
2847191600,5ptp4l0-21swapper/019:40:270
2847191600,4ptp4l0-21swapper/223:53:572
2847191590,4ptp4l0-21swapper/200:17:412
2847191590,4ptp4l0-21swapper/200:17:402
2847191590,3ptp4l0-21swapper/222:47:322
2847191580,5ptp4l0-21swapper/220:35:122
2847191580,3ptp4l0-21swapper/322:10:463
2847191580,3ptp4l0-21swapper/222:01:322
2847191570,4ptp4l17334-21dump-pmu-power21:29:592
2847191570,4ptp4l0-21swapper/223:02:102
2847191570,4ptp4l0-21swapper/220:28:532
2847191570,3ptp4l0-21swapper/222:40:292
2847191570,3ptp4l0-21swapper/222:24:362
2847191560,3ptp4l0-21swapper/323:10:423
2847191560,3ptp4l0-21swapper/321:00:133
2847191560,3ptp4l0-21swapper/200:02:572
2847191560,3ptp4l0-21swapper/122:04:571
2847191550,4ptp4l0-21swapper/222:50:042
2847191550,3ptp4l0-21swapper/300:36:313
2847191550,3ptp4l0-21swapper/219:45:392
2847191550,3ptp4l0-21swapper/219:45:392
2847191550,3ptp4l0-21swapper/219:19:392
2847191550,21ptp4l41-21ksoftirqd/322:39:453
2847191540,6ptp4l0-21swapper/019:05:480
2847191540,4ptp4l0-21swapper/223:19:592
2847191540,4ptp4l0-21swapper/221:47:142
2847191540,4ptp4l0-21swapper/200:25:202
2847191540,3ptp4l0-21swapper/021:40:320
2847191540,12ptp4l0-21swapper/322:40:173
2847191530,4ptp4l0-21swapper/323:40:553
2847191530,4ptp4l0-21swapper/000:24:220
2847191530,3ptp4l0-21swapper/320:24:183
2847191530,3ptp4l0-21swapper/221:50:132
2847191530,10ptp4l14993-21memory19:05:201
2847191530,10ptp4l0-21swapper/323:00:303
2847191520,4ptp4l0-21swapper/222:31:172
2847191520,4ptp4l0-21swapper/219:20:562
2847191520,4ptp4l0-21swapper/219:14:242
2847191520,4ptp4l0-21swapper/023:15:400
2847191520,4ptp4l0-21swapper/022:52:500
2847191520,4ptp4l0-21swapper/019:25:530
2847191520,3ptp4l0-21swapper/223:38:272
2847191520,3ptp4l0-21swapper/020:31:170
2847191510,4ptp4l0-21swapper/022:43:290
2847191510,3ptp4l0-21swapper/223:40:052
2847191510,3ptp4l0-21swapper/221:30:262
2847191500,4ptp4l0-21swapper/323:57:213
2847191500,4ptp4l0-21swapper/223:23:282
2847191500,4ptp4l0-21swapper/223:13:222
2847191500,4ptp4l0-21swapper/221:16:322
2847191500,4ptp4l0-21swapper/019:18:190
2847191500,4ptp4l0-21swapper/000:34:430
2847191500,4ptp4l0-21swapper/000:16:380
2847191500,4ptp4l0-21swapper/000:16:370
2847191500,3ptp4l0-21swapper/200:35:152
2847191500,3ptp4l0-21swapper/122:25:281
2847191500,3ptp4l0-21swapper/023:25:110
2847191490,5ptp4l0-21swapper/221:57:442
2847191490,3ptp4l0-21swapper/223:34:452
2847191490,3ptp4l0-21swapper/200:10:242
2847191490,3ptp4l0-21swapper/019:46:180
2847191490,3ptp4l0-21swapper/019:46:180
2847191490,13ptp4l0-21swapper/220:44:302
2847191490,12ptp4l28804-21ps19:35:202
2847191480,4ptp4l0-21swapper/223:46:512
2847191480,4ptp4l0-21swapper/221:41:512
2847191480,4ptp4l0-21swapper/220:58:302
2847191480,4ptp4l0-21swapper/021:08:530
2847191480,3ptp4l0-21swapper/319:15:433
2847191480,3ptp4l0-21swapper/200:24:052
1638399482,44cyclictest0-21swapper/321:11:503
2847191460,4ptp4l0-21swapper/321:39:223
2847191460,4ptp4l0-21swapper/319:43:423
2847191460,3ptp4l0-21swapper/221:13:032
2847191450,4ptp4l7723-21apt-get20:00:141
2847191450,4ptp4l0-21swapper/022:45:360
2847191450,2ptp4l0-21swapper/019:56:310
2847191450,10ptp4l0-21swapper/223:28:202
2847191440,5ptp4l21832-21apt-get20:30:152
2847191440,4ptp4l4672-21apt-get00:30:143
2847191440,4ptp4l0-21swapper/223:56:472
2847191440,4ptp4l0-21swapper/221:39:452
2847191440,10ptp4l0-21swapper/300:02:243
2847191440,10ptp4l0-21swapper/220:13:322
2847191440,10ptp4l0-21swapper/022:04:540
2847191430,9ptp4l0-21swapper/020:56:240
2847191430,5ptp4l0-21swapper/323:35:123
2847191430,5ptp4l0-21swapper/319:30:133
2847191430,5ptp4l0-21swapper/319:20:123
2847191430,5ptp4l0-21swapper/000:05:210
2847191430,4ptp4l3456-21apt-get21:00:142
2847191430,4ptp4l12003-21ls22:25:250
2847191430,4ptp4l0-21swapper/220:19:032
2847191430,10ptp4l0-21swapper/320:58:393
2847191420,7ptp4l0-21swapper/023:30:440
2847191420,5ptp4l5050-21/usr/sbin/munin22:10:221
2847191420,5ptp4l0-21swapper/300:10:223
2847191420,4ptp4l9405-21users20:00:300
2847191420,4ptp4l8547-21apt-get23:30:023
2847191420,4ptp4l30136-21iostat23:05:170
2847191420,4ptp4l29507-21apt-get23:05:132
2847191420,4ptp4l16338-21users20:15:290
2847191420,4ptp4l15247-21apt-get21:25:153
2847191420,4ptp4l0-21swapper/323:27:393
2847191420,4ptp4l0-21swapper/222:28:072
2847191420,4ptp4l0-21swapper/023:47:590
2847191420,4ptp4l0-21swapper/021:28:360
2847191420,3ptp4l2936-21iostat_ios00:25:220
2847191420,3ptp4l1819-21apt-get23:15:133
2847191420,3ptp4l0-21swapper/323:45:183
2847191420,3ptp4l0-21swapper/219:53:412
2847191420,10ptp4l0-21swapper/321:50:093
2847191410,5ptp4l26895-21cut20:40:170
2847191410,5ptp4l0-21swapper/322:51:433
2847191410,5ptp4l0-21swapper/319:45:173
2847191410,5ptp4l0-21swapper/319:45:173
2847191410,5ptp4l0-21swapper/220:50:212
2847191410,4ptp4l3181-21df_inode19:50:151
2847191410,4ptp4l22198-21apt-get21:40:113
2847191410,4ptp4l17212-21apt-get20:20:132
2847191410,4ptp4l15225-21ls23:40:310
2847191410,4ptp4l12278-21memory23:35:210
2847191410,4ptp4l0-21swapper/320:40:253
2847191410,4ptp4l0-21swapper/320:11:373
2847191410,4ptp4l0-21swapper/219:34:292
2847191410,4ptp4l0-21swapper/023:53:030
2847191410,4ptp4l0-21swapper/023:21:570
2847191410,4ptp4l0-21swapper/023:01:250
2847191410,4ptp4l0-21swapper/022:55:350
2847191410,4ptp4l0-21swapper/022:33:500
2847191410,4ptp4l0-21swapper/022:19:540
2847191410,4ptp4l0-21swapper/022:07:270
2847191410,4ptp4l0-21swapper/021:47:160
2847191410,4ptp4l0-21swapper/021:38:580
2847191410,4ptp4l0-21swapper/021:12:110
2847191410,4ptp4l0-21swapper/021:01:400
2847191410,4ptp4l0-21swapper/019:38:570
2847191410,4ptp4l0-21swapper/019:30:170
2847191410,3ptp4l5982-21apt-get21:05:131
2847191410,3ptp4l32189-21diskstats23:10:150
2847191410,3ptp4l29354-21apt-get21:55:123
2847191410,3ptp4l28047-21diskstats00:10:141
2847191410,3ptp4l18892-21users20:20:290
2847191410,3ptp4l16557-21meminfo22:35:200
2847191410,3ptp4l12932-21apt-get21:20:122
2847191410,3ptp4l0-21swapper/319:52:223
2847191400,6ptp4l24135-21ps00:00:260
2847191400,5ptp4l1638099cyclictest00:10:370
2847191400,5ptp4l0-21swapper/322:45:053
2847191400,5ptp4l0-21swapper/322:31:253
2847191400,5ptp4l0-21swapper/321:20:153
2847191400,5ptp4l0-21swapper/319:55:043
2847191400,5ptp4l0-21swapper/300:25:173
2847191400,5ptp4l0-21swapper/300:08:393
2847191400,5ptp4l0-21swapper/022:10:160
2847191400,5ptp4l0-21swapper/021:20:160
2847191400,4ptp4l5815-21apt-config21:05:013
2847191400,4ptp4l0-21swapper/322:25:503
2847191400,4ptp4l0-21swapper/322:05:153
2847191400,4ptp4l0-21swapper/321:30:213
2847191400,4ptp4l0-21swapper/321:16:273
2847191400,4ptp4l0-21swapper/320:30:233
2847191400,4ptp4l0-21swapper/320:17:103
2847191400,4ptp4l0-21swapper/320:02:363
2847191400,4ptp4l0-21swapper/319:10:243
2847191400,4ptp4l0-21swapper/300:21:413
2847191400,4ptp4l0-21swapper/222:18:322
2847191400,4ptp4l0-21swapper/221:07:342
2847191400,4ptp4l0-21swapper/219:42:352
2847191400,4ptp4l0-21swapper/200:31:212
2847191400,4ptp4l0-21swapper/123:33:161
2847191400,4ptp4l0-21swapper/123:11:231
2847191400,4ptp4l0-21swapper/122:30:171
2847191400,4ptp4l0-21swapper/122:15:281
2847191400,4ptp4l0-21swapper/119:40:451
2847191400,4ptp4l0-21swapper/119:10:201
2847191400,4ptp4l0-21swapper/023:59:580
2847191400,4ptp4l0-21swapper/022:20:440
2847191400,4ptp4l0-21swapper/021:56:000
2847191400,4ptp4l0-21swapper/021:31:580
2847191400,4ptp4l0-21swapper/021:15:350
2847191400,4ptp4l0-21swapper/020:53:570
2847191400,4ptp4l0-21swapper/020:28:150
2847191400,4ptp4l0-21swapper/020:13:110
2847191400,4ptp4l0-21swapper/020:09:270
2847191400,4ptp4l0-21swapper/000:35:110
2847191400,3ptp4l4981-21memory22:10:222
2847191400,3ptp4l32595-21irqstats22:00:193
2847191400,3ptp4l27563-21/usr/sbin/munin20:40:231
2847191400,3ptp4l23579-21apt-get19:25:111
2847191400,3ptp4l1661-21apt-get22:05:132
2847191400,3ptp4l15615-21meminfo20:15:211
2847191400,3ptp4l0-21swapper/322:55:273
2847191400,3ptp4l0-21swapper/123:44:581
2847191400,3ptp4l0-21swapper/021:50:270
2847191400,2ptp4l29507-21apt-get23:05:123
16383994017,3cyclictest10750-21ls22:24:593
1638299402,37cyclictest0-21swapper/200:07:102
2847191390,7ptp4l0-21swapper/121:50:011
2847191390,5ptp4l0-21swapper/319:35:133
2847191390,4ptp4l23523-21mailstats21:40:231
2847191390,4ptp4l0-21swapper/323:50:053
2847191390,4ptp4l0-21swapper/322:18:503
2847191390,4ptp4l0-21swapper/320:45:103
2847191390,4ptp4l0-21swapper/320:35:243
2847191390,4ptp4l0-21swapper/320:05:253
2847191390,4ptp4l0-21swapper/300:15:153
2847191390,4ptp4l0-21swapper/300:15:153
2847191390,4ptp4l0-21swapper/220:00:132
2847191390,4ptp4l0-21swapper/123:22:091
2847191390,4ptp4l0-21swapper/123:02:511
2847191390,4ptp4l0-21swapper/122:55:481
2847191390,4ptp4l0-21swapper/121:36:271
2847191390,4ptp4l0-21swapper/121:23:161
2847191390,4ptp4l0-21swapper/121:19:251
2847191390,4ptp4l0-21swapper/120:47:401
2847191390,4ptp4l0-21swapper/100:01:031
2847191390,4ptp4l0-21swapper/019:50:290
2847191390,4ptp4l0-21swapper/019:20:210
2847191390,4ptp4l0-21swapper/019:10:040
2847191390,3ptp4l0-21swapper/323:20:233
2847191390,3ptp4l0-21swapper/321:45:113
2847191390,3ptp4l0-21swapper/319:25:063
2847191390,3ptp4l0-21swapper/219:55:212
2847191390,3ptp4l0-21swapper/123:50:151
2847191390,3ptp4l0-21swapper/123:35:221
2847191390,3ptp4l0-21swapper/123:28:041
2847191390,3ptp4l0-21swapper/122:46:401
2847191390,3ptp4l0-21swapper/121:58:061
2847191390,3ptp4l0-21swapper/121:26:261
2847191390,3ptp4l0-21swapper/120:55:211
2847191380,4ptp4l0-21swapper/220:45:112
2847191380,4ptp4l0-21swapper/123:08:571
2847191380,4ptp4l0-21swapper/120:50:131
2847191380,4ptp4l0-21swapper/120:37:501
2847191380,4ptp4l0-21swapper/120:05:231
2847191380,4ptp4l0-21swapper/119:21:281
2847191380,4ptp4l0-21swapper/100:17:171
2847191380,4ptp4l0-21swapper/100:17:171
2847191380,3ptp4l26217-21missed_timers00:05:211
2847191380,3ptp4l14334-21chrt20:14:071
2847191380,3ptp4l0-21swapper/123:16:111
2847191380,3ptp4l0-21swapper/122:05:141
2847191380,3ptp4l0-21swapper/121:49:541
2847191380,3ptp4l0-21swapper/121:02:031
2847191380,3ptp4l0-21swapper/119:39:091
2847191380,3ptp4l0-21swapper/100:31:421
2847191380,3ptp4l0-21swapper/100:23:341
2847191370,3ptp4l0-21swapper/123:55:421
2847191370,3ptp4l0-21swapper/123:47:591
2847191370,3ptp4l0-21swapper/122:24:381
2847191370,3ptp4l0-21swapper/120:26:581
2847191370,3ptp4l0-21swapper/120:21:021
2847191370,3ptp4l0-21swapper/119:56:211
2847191370,3ptp4l0-21swapper/119:46:161
2847191370,3ptp4l0-21swapper/119:46:161
2847191370,3ptp4l0-21swapper/119:32:271
2847191370,3ptp4l0-21swapper/119:16:391
2847191370,3ptp4l0-21swapper/100:25:141
2847191360,3ptp4l0-21swapper/122:50:231
2847191360,3ptp4l0-21swapper/122:35:541
2847191360,3ptp4l0-21swapper/120:31:141
2847191360,2ptp4l0-21swapper/122:44:031
16381993630,3cyclictest25-21ksoftirqd/100:39:591
2847191350,3ptp4l0-21swapper/121:33:291
2847191350,3ptp4l0-21swapper/121:13:541
151292215,10sleep30-21swapper/319:05:233
140352185,7sleep20-21swapper/219:05:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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