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2025-11-16 - 12:58
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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 16, 2025 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303421510,5sleep32687699cyclictest22:55:183
403521420,7sleep32687699cyclictest19:30:153
1116321260,7sleep22687599cyclictest19:45:172
9252760,2sleep20-21swapper/222:50:192
2847191670,4ptp4l0-21swapper/019:40:200
2687699641,60cyclictest10331-21cut22:00:213
2847191610,4ptp4l0-21swapper/020:17:370
2847191600,3ptp4l0-21swapper/019:10:210
2847191600,2ptp4l5309-21gzip00:09:330
2847191590,3ptp4l0-21swapper/300:29:593
2847191590,3ptp4l0-21swapper/219:41:082
26876995915,21cyclictest3157-21/usr/sbin/munin00:05:143
2687699590,34cyclictest25621-21sed20:15:223
2847191580,4ptp4l0-21swapper/021:09:520
2847191580,4ptp4l0-21swapper/020:57:140
2847191580,4ptp4l0-21swapper/019:39:100
2847191570,4ptp4l0-21swapper/322:15:243
2847191570,4ptp4l0-21swapper/319:40:023
2847191560,4ptp4l0-21swapper/200:03:022
2847191560,4ptp4l0-21swapper/119:45:171
2847191560,3ptp4l0-21swapper/321:30:313
2847191560,3ptp4l0-21swapper/020:40:150
2687699560,26cyclictest5808-21grep00:10:183
2847191550,3ptp4l0-21swapper/020:35:170
2847191550,12ptp4l0-21swapper/223:35:172
2847191540,4ptp4l0-21swapper/219:07:542
2847191540,4ptp4l0-21swapper/022:26:440
2847191540,4ptp4l0-21swapper/020:03:110
2847191540,4ptp4l0-21swapper/020:03:110
2847191540,3ptp4l0-21swapper/223:24:272
2847191540,3ptp4l0-21swapper/100:39:011
2847191540,12ptp4l0-21swapper/019:55:280
2847191540,10ptp4l26039-21ls19:05:303
2687599541,40cyclictest2847191ptp4l22:00:162
2847191530,4ptp4l0-21swapper/122:46:011
2847191530,4ptp4l0-21swapper/000:29:490
2847191520,4ptp4l0-21swapper/120:52:231
2847191520,4ptp4l0-21swapper/023:08:520
2847191520,4ptp4l0-21swapper/023:08:520
2847191520,4ptp4l0-21swapper/022:40:350
2847191520,4ptp4l0-21swapper/020:54:580
2847191520,4ptp4l0-21swapper/020:07:480
2847191520,4ptp4l0-21swapper/019:50:590
2847191520,12ptp4l0-21swapper/023:30:150
2847191510,4ptp4l0-21swapper/120:27:581
2687699510,15cyclictest2847191ptp4l20:25:273
2847191500,4ptp4l0-21swapper/022:14:090
2847191500,4ptp4l0-21swapper/021:53:000
2847191500,4ptp4l0-21swapper/021:19:210
2847191500,3ptp4l0-21swapper/100:17:081
2687699501,27cyclictest1778-21gnome-shell19:36:593
2847191490,4ptp4l0-21swapper/022:53:590
2847191490,4ptp4l0-21swapper/022:30:280
2847191490,4ptp4l0-21swapper/000:35:090
2847191490,3ptp4l0-21swapper/123:12:111
2847191490,10ptp4l0-21swapper/021:45:310
2847191480,9ptp4l0-21swapper/122:10:181
2847191480,6ptp4l0-21swapper/200:10:172
2847191480,4ptp4l0-21swapper/119:12:451
2847191480,4ptp4l0-21swapper/019:34:260
2847191480,3ptp4l0-21swapper/022:36:450
2687699481,42cyclictest13152-21apt-get19:50:143
2687699481,19cyclictest2849491getstats20:35:203
2847191470,9ptp4l0-21swapper/219:58:042
2847191470,4ptp4l0-21swapper/000:31:080
2847191470,2ptp4l0-21swapper/200:09:432
2687699474,14cyclictest20305-21/usr/sbin/munin20:05:133
2847191460,4ptp4l0-21swapper/319:21:453
2847191460,4ptp4l0-21swapper/319:21:453
2847191460,4ptp4l0-21swapper/123:28:421
2847191460,4ptp4l0-21swapper/122:02:441
2847191460,4ptp4l0-21swapper/023:40:110
2847191460,3ptp4l0-21swapper/219:36:322
2847191460,3ptp4l0-21swapper/020:10:210
2687699460,43cyclictest15874-21ls22:10:283
2847191450,4ptp4l925-21ls20:30:333
2847191450,4ptp4l23001-21apt-get21:20:132
2847191450,2ptp4l0-21swapper/022:55:180
2847191450,10ptp4l0-21swapper/321:27:043
2847191450,10ptp4l0-21swapper/220:06:382
2687699451,41cyclictest10844-21apt-get19:45:153
2847191440,5ptp4l0-21swapper/319:25:323
2847191440,4ptp4l0-21swapper/320:03:563
2847191440,4ptp4l0-21swapper/320:03:563
2847191440,4ptp4l0-21swapper/319:15:293
2847191440,4ptp4l0-21swapper/022:15:240
2847191440,3ptp4l21613-21ls21:15:222
2847191440,10ptp4l0-21swapper/220:42:222
2847191430,9ptp4l0-21swapper/219:52:092
2847191430,4ptp4l32134-21iostat19:20:180
2847191430,4ptp4l32134-21iostat19:20:180
2847191430,4ptp4l0-21swapper/120:09:081
2847191430,4ptp4l0-21swapper/100:32:231
2847191430,4ptp4l0-21swapper/000:19:510
2847191430,3ptp4l2958-21ls19:25:300
2847191430,3ptp4l0-21swapper/220:04:412
2847191430,3ptp4l0-21swapper/220:04:412
2847191430,2ptp4l0-21swapper/023:45:090
2847191430,10ptp4l0-21swapper/321:08:303
2847191430,10ptp4l0-21swapper/223:51:422
2847191420,9ptp4l0-21swapper/222:24:182
2847191420,5ptp4l29932-21/usr/sbin/munin21:35:243
2847191420,5ptp4l0-21swapper/321:10:173
2847191420,4ptp4l31073-21ntp_states21:35:230
2847191420,4ptp4l28344-21apt-get23:50:130
2847191420,4ptp4l16772-21apt-get23:25:183
2847191420,4ptp4l15218-21apt-get19:55:023
2847191420,4ptp4l0-21swapper/121:07:501
2847191420,4ptp4l0-21swapper/022:23:000
2847191420,4ptp4l0-21swapper/021:25:190
2847191420,3ptp4l111rcuc/023:15:330
2847191420,3ptp4l1006-21ls20:30:332
2847191420,3ptp4l0-21swapper/321:20:253
2847191420,3ptp4l0-21swapper/319:11:233
2847191420,10ptp4l0-21swapper/222:47:292
26875994216,22cyclictest7407-21sed21:55:172
2847191410,5ptp4l0-21swapper/321:40:153
2847191410,5ptp4l0-21swapper/320:50:133
2847191410,5ptp4l0-21swapper/119:10:001
2847191410,4ptp4l4524-21diskstats20:40:173
2847191410,4ptp4l30035-21hddtemp_smartct20:25:180
2847191410,4ptp4l0-21swapper/322:08:043
2847191410,4ptp4l0-21swapper/121:49:191
2847191410,4ptp4l0-21swapper/023:26:100
2847191410,4ptp4l0-21swapper/021:10:110
2847191410,4ptp4l0-21swapper/019:48:320
2847191410,4ptp4l0-21swapper/019:15:290
2847191410,3ptp4l32515-21meminfo19:20:211
2847191410,3ptp4l32515-21meminfo19:20:211
2847191410,3ptp4l2487-21meminfo19:25:242
2847191410,3ptp4l15202-21users21:00:300
2847191410,3ptp4l0-21swapper/321:56:363
2687699410,12cyclictest2849491getstats00:35:203
2847191400,5ptp4l33-21ksoftirqd/221:40:002
2847191400,5ptp4l30527-21/usr/sbin/munin22:45:123
2847191400,5ptp4l28535-21diskstats22:40:152
2847191400,5ptp4l0-21swapper/323:20:253
2847191400,5ptp4l0-21swapper/322:40:123
2847191400,5ptp4l0-21swapper/322:35:283
2847191400,5ptp4l0-21swapper/322:20:163
2847191400,5ptp4l0-21swapper/300:20:173
2847191400,5ptp4l0-21swapper/221:45:242
2847191400,4ptp4l4994-21hddtemp_smartct21:50:173
2847191400,4ptp4l27270-21/usr/sbin/munin20:20:282
2847191400,4ptp4l22762-21ls22:25:293
2847191400,4ptp4l17270-21apt-get00:35:142
2847191400,4ptp4l13671-21users22:05:300
2847191400,4ptp4l0-21swapper/323:40:243
2847191400,4ptp4l0-21swapper/321:15:453
2847191400,4ptp4l0-21swapper/321:00:223
2847191400,4ptp4l0-21swapper/320:10:173
2847191400,4ptp4l0-21swapper/221:25:062
2847191400,4ptp4l0-21swapper/221:11:532
2847191400,4ptp4l0-21swapper/221:00:262
2847191400,4ptp4l0-21swapper/220:52:442
2847191400,4ptp4l0-21swapper/220:28:102
2847191400,4ptp4l0-21swapper/220:14:142
2847191400,4ptp4l0-21swapper/219:30:272
2847191400,4ptp4l0-21swapper/121:30:031
2847191400,4ptp4l0-21swapper/121:10:131
2847191400,4ptp4l0-21swapper/021:30:230
2847191400,4ptp4l0-21swapper/021:20:110
2847191400,4ptp4l0-21swapper/020:45:010
2847191400,4ptp4l0-21swapper/020:35:000
2847191400,3ptp4l27634-21apt-get21:30:132
2847191400,3ptp4l0-21swapper/219:10:392
2847191400,3ptp4l0-21swapper/022:48:280
2687699402,35cyclictest1293-21snmpd23:34:133
2687699400,37cyclictest1293-21snmpd20:21:283
2847191390,5ptp4l16641-21date23:25:010
2847191390,5ptp4l0-21swapper/223:29:272
2847191390,5ptp4l0-21swapper/222:10:142
2847191390,5ptp4l0-21swapper/022:00:320
2847191390,5ptp4l0-21swapper/021:55:150
2847191390,5ptp4l0-21swapper/019:09:110
2847191390,4ptp4l7055-21python00:10:330
2847191390,4ptp4l12653-21apt-get00:25:142
2847191390,4ptp4l0-21swapper/323:35:263
2847191390,4ptp4l0-21swapper/320:45:173
2847191390,4ptp4l0-21swapper/223:10:242
2847191390,4ptp4l0-21swapper/223:05:262
2847191390,4ptp4l0-21swapper/223:05:262
2847191390,4ptp4l0-21swapper/221:05:192
2847191390,4ptp4l0-21swapper/220:45:352
2847191390,4ptp4l0-21swapper/220:35:232
2847191390,4ptp4l0-21swapper/220:19:342
2847191390,4ptp4l0-21swapper/219:20:162
2847191390,4ptp4l0-21swapper/219:20:162
2847191390,4ptp4l0-21swapper/219:15:212
2847191390,4ptp4l0-21swapper/200:19:592
2847191390,4ptp4l0-21swapper/121:35:321
2847191390,4ptp4l0-21swapper/121:26:131
2847191390,4ptp4l0-21swapper/121:20:111
2847191390,4ptp4l0-21swapper/120:48:351
2847191390,4ptp4l0-21swapper/120:31:391
2847191390,4ptp4l0-21swapper/120:10:151
2847191390,4ptp4l0-21swapper/119:55:161
2847191390,4ptp4l0-21swapper/119:52:251
2847191390,4ptp4l0-21swapper/119:38:561
2847191390,4ptp4l0-21swapper/119:31:081
2847191390,4ptp4l0-21swapper/119:17:181
2847191390,4ptp4l0-21swapper/020:21:060
2847191390,4ptp4l0-21swapper/000:20:490
2847191390,3ptp4l7135-21apt-get21:55:131
2847191390,3ptp4l21239-21/usr/sbin/munin21:15:191
2847191390,3ptp4l10763-21ls23:10:223
2847191390,3ptp4l0-21swapper/320:55:263
2847191390,3ptp4l0-21swapper/220:55:332
2847191390,3ptp4l0-21swapper/120:55:121
2847191390,3ptp4l0-21swapper/120:00:051
2847191390,3ptp4l0-21swapper/120:00:051
2847191390,3ptp4l0-21swapper/119:41:411
2847191390,10ptp4l0-21swapper/023:04:580
2687599398,29cyclictest0-21swapper/223:30:302
26875993913,23cyclictest12786-21sed22:05:202
2847191380,5ptp4l22255-21missed_timers22:25:242
2847191380,5ptp4l0-21swapper/323:05:203
2847191380,5ptp4l0-21swapper/323:05:193
2847191380,5ptp4l0-21swapper/300:30:193
2847191380,5ptp4l0-21swapper/300:15:153
2847191380,5ptp4l0-21swapper/300:00:243
2847191380,5ptp4l0-21swapper/200:20:242
2847191380,4ptp4l0-21swapper/323:57:593
2847191380,4ptp4l0-21swapper/323:49:233
2847191380,4ptp4l0-21swapper/323:15:263
2847191380,4ptp4l0-21swapper/322:51:363
2847191380,4ptp4l0-21swapper/223:40:162
2847191380,4ptp4l0-21swapper/222:57:142
2847191380,4ptp4l0-21swapper/121:02:271
2847191380,4ptp4l0-21swapper/120:38:021
2847191380,4ptp4l0-21swapper/021:40:070
2847191380,4ptp4l0-21swapper/000:01:520
2847191380,3ptp4l5740-21ntp_states21:50:262
2847191380,3ptp4l3204-21meminfo21:45:223
2847191380,3ptp4l30660-21apt-get23:55:132
2847191380,3ptp4l0-21swapper/120:41:521
2847191380,3ptp4l0-21swapper/120:20:521
2847191380,3ptp4l0-21swapper/120:16:471
2687599381,36cyclictest25763-21kworker/2:121:40:292
26873993833,3cyclictest9-21ksoftirqd/000:00:010
2847191370,4ptp4l33-21ksoftirqd/223:50:012
2847191370,4ptp4l0-21swapper/323:50:073
2847191370,4ptp4l0-21swapper/323:00:043
2847191370,4ptp4l0-21swapper/223:15:162
2847191370,4ptp4l0-21swapper/223:01:082
2847191370,4ptp4l0-21swapper/222:35:262
2847191370,4ptp4l0-21swapper/222:15:062
2847191370,4ptp4l0-21swapper/200:30:292
2847191370,4ptp4l0-21swapper/123:55:251
2847191370,4ptp4l0-21swapper/123:01:301
2847191370,4ptp4l0-21swapper/122:15:131
2847191370,4ptp4l0-21swapper/100:23:301
2847191370,4ptp4l0-21swapper/100:14:041
2847191370,4ptp4l0-21swapper/100:07:011
2847191370,4ptp4l0-21swapper/100:03:521
2847191370,4ptp4l0-21swapper/023:35:320
2847191370,4ptp4l0-21swapper/023:11:380
2847191370,3ptp4l2386-21sshd22:52:551
2847191370,3ptp4l22210-21meminfo22:25:221
2847191370,3ptp4l0-21swapper/123:35:211
2847191370,3ptp4l0-21swapper/122:37:221
2847191370,3ptp4l0-21swapper/119:25:181
2847191360,4ptp4l0-21swapper/222:30:172
2847191360,4ptp4l0-21swapper/123:49:361
2847191360,4ptp4l0-21swapper/123:22:141
2847191360,4ptp4l0-21swapper/122:20:221
2847191360,4ptp4l0-21swapper/100:28:431
2847191360,3ptp4l6121-21ls21:50:291
2847191360,3ptp4l23919-21tune2fs22:30:163
2847191360,3ptp4l0-21swapper/123:53:311
2847191360,3ptp4l0-21swapper/123:32:041
2847191360,3ptp4l0-21swapper/123:17:201
2847191360,3ptp4l0-21swapper/123:05:081
2847191360,3ptp4l0-21swapper/123:05:071
2847191360,3ptp4l0-21swapper/122:58:081
2847191360,3ptp4l0-21swapper/122:40:191
2847191360,3ptp4l0-21swapper/122:33:361
2847191350,4ptp4l0-21swapper/123:40:151
2847191350,4ptp4l0-21swapper/122:07:401
2847191350,3ptp4l0-21swapper/121:41:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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