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2025-11-23 - 06:10
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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 Sun Nov 23, 2025 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2180221750,3sleep3111199cyclictest23:20:243
98832660,5sleep125-21ksoftirqd/122:55:201
171102630,5sleep2111099cyclictest22:00:252
2847191620,4ptp4l0-21swapper/121:30:221
2847191600,24ptp4l0-21swapper/019:07:010
2847191600,24ptp4l0-21swapper/019:07:010
2847191590,3ptp4l0-21swapper/219:18:312
2847191580,4ptp4l0-21swapper/122:10:151
2847191580,3ptp4l0-21swapper/123:40:241
2847191580,3ptp4l0-21swapper/021:05:290
2847191580,3ptp4l0-21swapper/019:35:330
2847191580,3ptp4l0-21swapper/019:30:250
2847191570,5ptp4l0-21swapper/222:53:222
2847191570,4ptp4l0-21swapper/320:50:323
2847191570,4ptp4l0-21swapper/221:13:022
2847191570,4ptp4l0-21swapper/123:14:391
2847191570,3ptp4l0-21swapper/223:55:112
2847191560,4ptp4l0-21swapper/222:42:342
2847191560,4ptp4l0-21swapper/222:21:402
2847191560,4ptp4l0-21swapper/219:59:542
2847191560,4ptp4l0-21swapper/122:38:471
2847191560,4ptp4l0-21swapper/120:25:291
2847191560,3ptp4l0-21swapper/020:05:290
2847191550,4ptp4l0-21swapper/223:45:382
2847191550,4ptp4l0-21swapper/220:02:222
2847191550,4ptp4l0-21swapper/100:25:361
2847191550,3ptp4l0-21swapper/119:30:181
2847191540,5ptp4l0-21swapper/221:35:482
2847191540,5ptp4l0-21swapper/119:09:331
2847191540,5ptp4l0-21swapper/119:09:331
2847191540,4ptp4l0-21swapper/223:03:082
2847191540,3ptp4l0-21swapper/322:15:173
2847191540,3ptp4l0-21swapper/221:01:412
2847191540,3ptp4l0-21swapper/100:21:491
2847191530,4ptp4l0-21swapper/123:00:051
2847191530,4ptp4l0-21swapper/122:28:561
2847191530,4ptp4l0-21swapper/100:39:221
2847191530,3ptp4l0-21swapper/220:57:582
2847191530,3ptp4l0-21swapper/120:59:061
2847191530,3ptp4l0-21swapper/120:45:241
2847191530,3ptp4l0-21swapper/100:31:521
2847191530,3ptp4l0-21swapper/000:31:030
2847191520,4ptp4l0-21swapper/320:10:033
2847191520,4ptp4l0-21swapper/122:06:291
2847191520,4ptp4l0-21swapper/119:59:471
2847191520,3ptp4l0-21swapper/123:25:281
2847191510,4ptp4l0-21swapper/322:30:553
2847191510,3ptp4l110599cyclictest19:14:440
2847191510,3ptp4l0-21swapper/020:45:270
2847191500,5ptp4l41-21ksoftirqd/321:40:543
2847191500,4ptp4l0-21swapper/320:57:553
2847191500,4ptp4l0-21swapper/221:43:332
2847191500,4ptp4l0-21swapper/121:21:361
2847191500,4ptp4l0-21swapper/121:21:351
2847191500,4ptp4l0-21swapper/120:32:581
2847191500,3ptp4l0-21swapper/123:39:031
2847191490,5ptp4l10848-21/usr/sbin/munin20:40:203
2847191490,4ptp4l0-21swapper/223:17:132
2847191490,4ptp4l0-21swapper/120:38:571
2847191490,12ptp4l0-21swapper/222:05:142
2847191480,4ptp4l0-21swapper/320:19:563
2847191480,4ptp4l0-21swapper/320:19:563
2847191480,3ptp4l0-21swapper/322:52:393
2847191470,4ptp4l0-21swapper/220:07:222
2847191470,3ptp4l0-21swapper/122:19:071
2847191460,9ptp4l0-21swapper/019:50:500
2847191460,4ptp4l32714-21ls21:25:220
2847191450,9ptp4l0-21swapper/221:53:182
2847191450,10ptp4l0-21swapper/219:45:072
2847191440,3ptp4l0-21swapper/100:05:061
2847191430,9ptp4l0-21swapper/219:24:582
2847191430,8ptp4l14937-21sed21:55:271
2847191430,8ptp4l0-21swapper/220:48:282
2847191430,8ptp4l0-21swapper/200:34:482
2847191430,7ptp4l0-21swapper/221:32:052
2847191430,5ptp4l10746-21apt-get21:50:011
2847191430,5ptp4l0-21swapper/219:35:132
2847191430,4ptp4l16335-21irqstats20:50:200
2847191430,4ptp4l12812-21apt-get19:35:133
2847191430,4ptp4l0-21swapper/321:28:143
2847191430,3ptp4l0-21swapper/123:17:031
2847191430,3ptp4l0-21swapper/122:46:451
2847191430,10ptp4l0-21swapper/019:20:380
2847191420,6ptp4l0-21swapper/221:15:292
2847191420,5ptp4l7407-21diskstats00:00:181
2847191420,5ptp4l0-21swapper/323:10:233
2847191420,5ptp4l0-21swapper/322:57:523
2847191420,5ptp4l0-21swapper/121:45:271
2847191420,5ptp4l0-21swapper/022:35:260
2847191420,4ptp4l30213-21diskstats23:40:162
2847191420,4ptp4l16163-21diskstats22:00:150
2847191420,4ptp4l15793-21ls00:15:281
2847191420,4ptp4l14531-21df_inode00:15:140
2847191420,4ptp4l0-21swapper/220:26:202
2847191420,4ptp4l0-21swapper/220:22:592
2847191420,4ptp4l0-21swapper/200:00:212
2847191420,4ptp4l0-21swapper/123:45:231
2847191420,4ptp4l0-21swapper/023:55:320
2847191420,4ptp4l0-21swapper/019:55:290
2847191420,3ptp4l29681-21hddtemp_smartct20:10:180
2847191420,3ptp4l25695-21ls21:10:200
2847191420,3ptp4l21582-21meminfo23:20:220
2847191420,3ptp4l2096-21apt-get22:40:141
2847191410,8ptp4l0-21swapper/223:32:542
2847191410,5ptp4l0-21swapper/219:34:512
2847191410,5ptp4l0-21swapper/121:15:221
2847191410,5ptp4l0-21swapper/119:10:011
2847191410,4ptp4l9977-21iostat_ios00:05:160
2847191410,4ptp4l33-21ksoftirqd/220:30:202
2847191410,4ptp4l28520-21meminfo23:35:200
2847191410,4ptp4l26433-21/usr/sbin/munin23:30:240
2847191410,4ptp4l0-21swapper/322:05:133
2847191410,4ptp4l0-21swapper/319:15:573
2847191410,4ptp4l0-21swapper/223:39:222
2847191410,4ptp4l0-21swapper/221:46:532
2847191410,4ptp4l0-21swapper/220:40:132
2847191410,4ptp4l0-21swapper/219:28:262
2847191410,4ptp4l0-21swapper/219:13:032
2847191410,4ptp4l0-21swapper/200:10:492
2847191410,4ptp4l0-21swapper/123:55:221
2847191410,4ptp4l0-21swapper/121:10:131
2847191410,4ptp4l0-21swapper/120:16:201
2847191410,4ptp4l0-21swapper/120:16:201
2847191410,4ptp4l0-21swapper/120:05:221
2847191410,4ptp4l0-21swapper/023:40:230
2847191410,4ptp4l0-21swapper/023:13:210
2847191410,4ptp4l0-21swapper/022:44:530
2847191410,4ptp4l0-21swapper/021:55:160
2847191410,4ptp4l0-21swapper/021:50:260
2847191410,4ptp4l0-21swapper/019:45:210
2847191410,4ptp4l0-21swapper/019:15:120
2847191410,3ptp4l4049-21apt-get21:35:161
2847191410,3ptp4l21700-21ls21:00:301
2847191410,3ptp4l1903-21df_inode20:20:171
2847191410,3ptp4l18730-21iostat22:05:170
2847191410,3ptp4l13670-21apt-get23:05:111
2847191410,3ptp4l12345-21hddtemp_smartct00:10:171
2847191410,2ptp4l5730-21users21:35:320
2847191410,12ptp4l0-21swapper/220:35:122
2847191400,8ptp4l0-21swapper/222:29:422
2847191400,5ptp4l23525-21processes19:55:283
2847191400,5ptp4l0-21swapper/222:13:502
2847191400,4ptp4l24881-21/usr/sbin/munin00:35:250
2847191400,4ptp4l21298-21systemctl19:50:261
2847191400,4ptp4l11176-21df_inode20:40:161
2847191400,4ptp4l10212-21users20:35:310
2847191400,4ptp4l0-21swapper/323:25:203
2847191400,4ptp4l0-21swapper/322:49:283
2847191400,4ptp4l0-21swapper/322:00:013
2847191400,4ptp4l0-21swapper/321:46:063
2847191400,4ptp4l0-21swapper/321:20:163
2847191400,4ptp4l0-21swapper/321:20:153
2847191400,4ptp4l0-21swapper/321:15:183
2847191400,4ptp4l0-21swapper/320:30:203
2847191400,4ptp4l0-21swapper/319:50:123
2847191400,4ptp4l0-21swapper/319:34:473
2847191400,4ptp4l0-21swapper/223:50:562
2847191400,4ptp4l0-21swapper/223:21:022
2847191400,4ptp4l0-21swapper/223:14:312
2847191400,4ptp4l0-21swapper/223:05:392
2847191400,4ptp4l0-21swapper/222:55:542
2847191400,4ptp4l0-21swapper/222:45:352
2847191400,4ptp4l0-21swapper/222:37:132
2847191400,4ptp4l0-21swapper/222:18:302
2847191400,4ptp4l0-21swapper/221:26:122
2847191400,4ptp4l0-21swapper/221:20:092
2847191400,4ptp4l0-21swapper/221:20:092
2847191400,4ptp4l0-21swapper/221:08:062
2847191400,4ptp4l0-21swapper/220:10:042
2847191400,4ptp4l0-21swapper/219:52:222
2847191400,4ptp4l0-21swapper/219:42:382
2847191400,4ptp4l0-21swapper/200:25:392
2847191400,4ptp4l0-21swapper/200:15:382
2847191400,4ptp4l0-21swapper/200:09:212
2847191400,4ptp4l0-21swapper/122:30:141
2847191400,4ptp4l0-21swapper/121:25:231
2847191400,4ptp4l0-21swapper/120:13:501
2847191400,4ptp4l0-21swapper/120:00:301
2847191400,4ptp4l0-21swapper/119:45:021
2847191400,4ptp4l0-21swapper/119:20:241
2847191400,4ptp4l0-21swapper/119:15:211
2847191400,4ptp4l0-21swapper/023:50:160
2847191400,4ptp4l0-21swapper/023:47:220
2847191400,4ptp4l0-21swapper/023:19:060
2847191400,4ptp4l0-21swapper/023:06:430
2847191400,4ptp4l0-21swapper/023:00:530
2847191400,4ptp4l0-21swapper/022:45:160
2847191400,4ptp4l0-21swapper/022:25:220
2847191400,4ptp4l0-21swapper/022:24:050
2847191400,4ptp4l0-21swapper/022:19:120
2847191400,4ptp4l0-21swapper/021:45:250
2847191400,4ptp4l0-21swapper/021:20:150
2847191400,4ptp4l0-21swapper/021:20:150
2847191400,4ptp4l0-21swapper/021:15:240
2847191400,4ptp4l0-21swapper/021:00:200
2847191400,4ptp4l0-21swapper/020:40:160
2847191400,4ptp4l0-21swapper/020:33:510
2847191400,4ptp4l0-21swapper/020:25:220
2847191400,4ptp4l0-21swapper/020:20:250
2847191400,4ptp4l0-21swapper/020:00:280
2847191400,4ptp4l0-21swapper/019:40:290
2847191400,4ptp4l0-21swapper/019:25:290
2847191400,3ptp4l6588-21df21:40:161
2847191400,3ptp4l3082-21irqstats23:50:191
2847191400,3ptp4l2589-21irqstats21:30:180
2847191400,3ptp4l23014-21iostat21:05:191
2847191400,3ptp4l10372-21sshd20:37:223
2847191400,3ptp4l0-21swapper/122:20:231
2847191400,3ptp4l0-21swapper/020:15:210
2847191400,3ptp4l0-21swapper/020:15:210
2847191400,3ptp4l0-21swapper/000:25:340
2847191390,5ptp4l24938-21entropy20:00:183
2847191390,4ptp4l0-21swapper/323:57:443
2847191390,4ptp4l0-21swapper/323:51:233
2847191390,4ptp4l0-21swapper/323:45:133
2847191390,4ptp4l0-21swapper/323:40:213
2847191390,4ptp4l0-21swapper/323:30:053
2847191390,4ptp4l0-21swapper/321:53:083
2847191390,4ptp4l0-21swapper/321:33:173
2847191390,4ptp4l0-21swapper/321:11:443
2847191390,4ptp4l0-21swapper/321:00:183
2847191390,4ptp4l0-21swapper/320:26:463
2847191390,4ptp4l0-21swapper/320:05:173
2847191390,4ptp4l0-21swapper/319:41:533
2847191390,4ptp4l0-21swapper/319:28:013
2847191390,4ptp4l0-21swapper/319:20:373
2847191390,4ptp4l0-21swapper/300:35:003
2847191390,4ptp4l0-21swapper/223:26:092
2847191390,4ptp4l0-21swapper/222:30:312
2847191390,4ptp4l0-21swapper/220:51:322
2847191390,4ptp4l0-21swapper/220:15:362
2847191390,4ptp4l0-21swapper/220:15:362
2847191390,4ptp4l0-21swapper/200:37:102
2847191390,4ptp4l0-21swapper/200:20:412
2847191390,4ptp4l0-21swapper/123:22:511
2847191390,4ptp4l0-21swapper/122:50:151
2847191390,4ptp4l0-21swapper/120:51:061
2847191390,4ptp4l0-21swapper/119:35:151
2847191390,4ptp4l0-21swapper/119:25:161
2847191390,4ptp4l0-21swapper/022:14:510
2847191390,4ptp4l0-21swapper/021:40:160
2847191390,4ptp4l0-21swapper/000:12:450
2847191390,3ptp4l706-21ls22:35:243
2847191390,3ptp4l30056-21diskstats22:30:160
2847191390,3ptp4l1547-21apt-get20:20:153
2847191390,3ptp4l0-21swapper/322:21:113
2847191390,3ptp4l0-21swapper/321:35:243
2847191390,3ptp4l0-21swapper/321:05:223
2847191390,3ptp4l0-21swapper/319:45:293
2847191390,3ptp4l0-21swapper/300:10:123
2847191390,3ptp4l0-21swapper/221:55:332
2847191390,3ptp4l0-21swapper/123:30:091
2847191390,3ptp4l0-21swapper/122:00:181
2847191390,3ptp4l0-21swapper/119:40:211
2847191390,3ptp4l0-21swapper/023:25:040
2847191390,3ptp4l0-21swapper/022:50:080
2847191390,3ptp4l0-21swapper/020:55:280
2847191390,3ptp4l0-21swapper/000:20:110
2847191390,3ptp4l0-21swapper/000:01:010
2847191390,2ptp4l9346-21diskstats22:55:160
2847191380,4ptp4l0-21swapper/323:35:053
2847191380,4ptp4l0-21swapper/323:15:573
2847191380,4ptp4l0-21swapper/323:02:163
2847191380,4ptp4l0-21swapper/322:28:383
2847191380,4ptp4l0-21swapper/300:39:253
2847191380,4ptp4l0-21swapper/300:19:123
2847191380,3ptp4l0-21swapper/322:41:503
2847191380,3ptp4l0-21swapper/321:55:343
2847191380,3ptp4l0-21swapper/320:49:323
2847191380,3ptp4l0-21swapper/319:13:203
2847191380,3ptp4l0-21swapper/300:28:253
2847191380,3ptp4l0-21swapper/300:08:223
2847191370,4ptp4l0-21swapper/322:10:393
2847191370,3ptp4l0-21swapper/323:07:093
2847191370,3ptp4l0-21swapper/300:01:093
2847191360,3ptp4l0-21swapper/300:24:583
2849691253,14phc2sys32123-21ntp_states19:05:262
2849691253,14phc2sys32123-21ntp_states19:05:262
319542215,10sleep30-21swapper/319:05:243
319542215,10sleep30-21swapper/319:05:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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