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2025-11-03 - 04:58
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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 Mon Nov 03, 2025 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2263121330,2sleep22811199cyclictest22:25:212
2847191690,5ptp4l6963-21grep21:50:243
2847191660,5ptp4l0-21swapper/121:35:191
2847191640,28ptp4l9-21ksoftirqd/022:10:170
2847191640,28ptp4l9-21ksoftirqd/022:10:170
267052620,6sleep30-21swapper/319:05:193
2847191600,4ptp4l0-21swapper/122:10:281
2847191600,4ptp4l0-21swapper/122:10:281
2810999601,5cyclictest2849491getstats20:50:300
2847191590,3ptp4l0-21swapper/000:30:180
2847191580,3ptp4l0-21swapper/021:02:060
2847191570,4ptp4l0-21swapper/021:40:230
2847191570,3ptp4l0-21swapper/123:20:271
2847191570,3ptp4l0-21swapper/122:02:531
2847191570,3ptp4l0-21swapper/023:39:180
2847191560,5ptp4l0-21swapper/119:09:471
2847191560,4ptp4l0-21swapper/000:27:150
2847191560,3ptp4l0-21swapper/319:24:053
2847191560,3ptp4l0-21swapper/121:55:231
2847191560,21ptp4l0-21swapper/223:05:552
2847191550,4ptp4l0-21swapper/319:31:343
2847191550,4ptp4l0-21swapper/122:50:221
2847191550,4ptp4l0-21swapper/122:15:241
2847191550,3ptp4l0-21swapper/019:45:300
2847191550,3ptp4l0-21swapper/000:13:490
2847191540,4ptp4l0-21swapper/323:02:033
2847191540,4ptp4l0-21swapper/120:55:271
2847191540,4ptp4l0-21swapper/119:13:041
2847191540,12ptp4l29224-21df22:40:162
2847191530,4ptp4l0-21swapper/120:43:281
2810999531,5cyclictest2847191ptp4l21:55:130
2847191520,4ptp4l0-21swapper/300:33:343
2847191520,3ptp4l0-21swapper/321:36:273
2847191520,3ptp4l0-21swapper/121:44:051
2847191510,8ptp4l0-21swapper/221:42:462
2847191510,8ptp4l0-21swapper/220:57:532
2847191510,6ptp4l0-21swapper/000:05:120
2847191510,3ptp4l0-21swapper/021:34:550
2810999518,25cyclictest1299-21runrttasks22:42:000
2847191500,8ptp4l0-21swapper/221:04:332
2847191500,3ptp4l0-21swapper/121:49:171
2847191500,3ptp4l0-21swapper/119:27:521
2847191500,2ptp4l0-21swapper/320:55:153
2847191490,4ptp4l0-21swapper/022:25:290
2847191480,3ptp4l0-21swapper/120:30:071
2847191480,13ptp4l7338-21cron19:35:002
2847191480,11ptp4l0-21swapper/220:08:532
9922470,3sleep2994-21dump-pmu-power22:50:002
2847191470,7ptp4l0-21swapper/219:52:212
2847191470,6ptp4l0-21swapper/223:52:482
2847191470,3ptp4l0-21swapper/122:39:181
2847191460,5ptp4l15251-21apt-get23:20:150
2847191460,4ptp4l0-21swapper/120:11:181
2847191460,4ptp4l0-21swapper/119:59:271
2847191460,4ptp4l0-21swapper/023:08:370
2847191460,3ptp4l0-21swapper/123:53:151
2847191460,3ptp4l0-21swapper/119:22:051
2847191460,3ptp4l0-21swapper/023:11:420
2847191460,13ptp4l0-21swapper/219:15:212
2847191460,12ptp4l0-21swapper/223:15:282
2847191460,11ptp4l0-21swapper/200:20:132
2847191460,11ptp4l0-21swapper/200:15:002
2847191450,9ptp4l0-21swapper/223:46:552
2847191450,9ptp4l0-21swapper/221:52:222
2847191450,9ptp4l0-21swapper/221:16:052
2847191450,4ptp4l10416-21apt-get22:00:140
2847191450,4ptp4l0-21swapper/023:53:420
2847191450,3ptp4l0-21swapper/100:06:291
2847191450,3ptp4l0-21swapper/100:02:061
2847191450,11ptp4l33-21ksoftirqd/223:39:502
2847191450,10ptp4l0-21swapper/019:05:130
2810999452,20cyclictest0-21swapper/023:17:270
2849491440,17getstats6244-21diskstats23:00:161
2847191440,9ptp4l0-21swapper/220:47:012
2847191440,9ptp4l0-21swapper/220:12:552
2847191440,8ptp4l0-21swapper/219:58:522
2847191440,5ptp4l0-21swapper/222:05:182
2847191440,4ptp4l14745-21apt-get21:00:133
2847191440,4ptp4l0-21swapper/122:55:221
2847191440,4ptp4l0-21swapper/100:18:061
2847191440,4ptp4l0-21swapper/019:15:260
2847191440,3ptp4l0-21swapper/321:15:373
2847191430,9ptp4l0-21swapper/222:39:332
2847191430,9ptp4l0-21swapper/221:11:052
2847191430,9ptp4l0-21swapper/221:11:052
2847191430,6ptp4l13381-21ps22:05:240
2847191430,5ptp4l0-21swapper/321:45:143
2847191430,5ptp4l0-21swapper/021:25:200
2847191430,4ptp4l5774-21apt-get21:50:130
2847191430,4ptp4l18049-21apt-get00:35:160
2847191430,4ptp4l17913-21irqstats21:05:230
2847191430,4ptp4l0-21swapper/200:07:292
2847191430,3ptp4l21545-21apt-get20:05:130
2847191430,3ptp4l18733-21meminfo23:25:242
2847191430,3ptp4l0-21swapper/300:36:043
2847191430,2ptp4l0-21swapper/222:19:362
2847191420,8ptp4l0-21swapper/220:38:152
2847191420,8ptp4l0-21swapper/200:34:572
2847191420,6ptp4l8205-21tr21:55:152
2847191420,5ptp4l0-21swapper/322:00:203
2847191420,5ptp4l0-21swapper/222:00:192
2847191420,5ptp4l0-21swapper/219:10:162
2847191420,5ptp4l0-21swapper/022:45:140
2847191420,4ptp4l8597-21irqstats20:45:221
2847191420,4ptp4l3416-21df_inode20:35:150
2847191420,4ptp4l32268-21ls22:45:193
2847191420,4ptp4l3102-21apt-get20:35:133
2847191420,4ptp4l23860-21apt-get20:10:120
2847191420,4ptp4l2225-21iostat00:00:170
2847191420,4ptp4l1908-21ntp_states20:30:252
2847191420,4ptp4l11008-21meminfo20:50:211
2847191420,4ptp4l0-21swapper/119:16:431
2847191420,4ptp4l0-21swapper/023:25:280
2847191420,3ptp4l29177-21diskstats21:30:171
2847191420,3ptp4l0-21swapper/222:30:302
2847191420,3ptp4l0-21swapper/020:04:320
2810999424,4cyclictest0-21swapper/020:45:310
2847191410,9ptp4l0-21swapper/222:10:462
2847191410,9ptp4l0-21swapper/222:10:462
2847191410,6ptp4l31247-21cpuspeed21:35:152
2847191410,5ptp4l19950-21df22:20:150
2847191410,5ptp4l0-21swapper/223:30:182
2847191410,5ptp4l0-21swapper/223:30:182
2847191410,5ptp4l0-21swapper/221:27:592
2847191410,5ptp4l0-21swapper/220:52:402
2847191410,5ptp4l0-21swapper/023:45:220
2847191410,5ptp4l0-21swapper/022:55:320
2847191410,5ptp4l0-21swapper/021:15:270
2847191410,5ptp4l0-21swapper/020:25:150
2847191410,5ptp4l0-21swapper/020:25:150
2847191410,5ptp4l0-21swapper/020:20:310
2847191410,5ptp4l0-21swapper/019:50:160
2847191410,5ptp4l0-21swapper/019:10:120
2847191410,4ptp4l8708-21ntp_states19:35:221
2847191410,4ptp4l31099-21tune2fs19:15:163
2847191410,4ptp4l24230-21apt-get21:20:151
2847191410,4ptp4l22703-21df_inode23:35:151
2847191410,4ptp4l18993-21ps23:25:281
2847191410,4ptp4l11565-21memory23:10:241
2847191410,4ptp4l0-21swapper/121:10:131
2847191410,4ptp4l0-21swapper/121:10:121
2847191410,4ptp4l0-21swapper/120:05:121
2847191410,3ptp4l29100-21iostat_ios20:20:221
2847191410,3ptp4l23747-21apt-get21:20:030
2847191410,3ptp4l2141-21irqstats22:50:200
2847191410,3ptp4l19730-21users00:35:321
2847191410,3ptp4l14911-21diskstats19:50:151
41798400,14rtkit-daemon0-21swapper/322:35:533
2847191400,5ptp4l3327-21latency_hist21:45:013
2847191400,5ptp4l13851-21/usr/sbin/munin20:55:260
2847191400,5ptp4l13779-21/usr/sbin/munin22:05:273
2847191400,5ptp4l0-21swapper/321:20:353
2847191400,5ptp4l0-21swapper/319:25:233
2847191400,5ptp4l0-21swapper/123:40:121
2847191400,5ptp4l0-21swapper/122:07:021
2847191400,5ptp4l0-21swapper/120:16:221
2847191400,5ptp4l0-21swapper/119:45:181
2847191400,5ptp4l0-21swapper/023:55:160
2847191400,5ptp4l0-21swapper/023:30:210
2847191400,5ptp4l0-21swapper/023:30:210
2847191400,5ptp4l0-21swapper/020:40:180
2847191400,5ptp4l0-21swapper/000:15:200
2847191400,4ptp4l31418-21irqrtprio20:25:201
2847191400,4ptp4l31418-21irqrtprio20:25:191
2847191400,4ptp4l25039-21df_inode23:40:140
2847191400,4ptp4l17374-21diskstats21:05:192
2847191400,4ptp4l17088-21python00:30:281
2847191400,4ptp4l0-21swapper/319:11:433
2847191400,4ptp4l0-21swapper/223:55:532
2847191400,4ptp4l0-21swapper/223:21:432
2847191400,4ptp4l0-21swapper/223:10:322
2847191400,4ptp4l0-21swapper/222:50:022
2847191400,4ptp4l0-21swapper/222:20:102
2847191400,4ptp4l0-21swapper/221:45:462
2847191400,4ptp4l0-21swapper/221:21:552
2847191400,4ptp4l0-21swapper/220:43:392
2847191400,4ptp4l0-21swapper/220:21:452
2847191400,4ptp4l0-21swapper/220:19:482
2847191400,4ptp4l0-21swapper/219:46:182
2847191400,4ptp4l0-21swapper/200:35:542
2847191400,4ptp4l0-21swapper/200:25:012
2847191400,4ptp4l0-21swapper/200:17:422
2847191400,4ptp4l0-21swapper/123:30:171
2847191400,4ptp4l0-21swapper/123:30:171
2847191400,4ptp4l0-21swapper/122:20:161
2847191400,4ptp4l0-21swapper/121:01:101
2847191400,4ptp4l0-21swapper/120:00:261
2847191400,4ptp4l0-21swapper/019:40:200
2847191400,4ptp4l0-21swapper/019:30:180
2847191400,3ptp4l9366-21ntp_states23:05:271
2847191400,3ptp4l7585-21apt-get19:35:120
2847191400,3ptp4l31983-21df_inode23:55:171
2847191400,3ptp4l27745-21ls20:15:270
2847191400,3ptp4l23016-21memory22:25:241
2847191400,3ptp4l11115-21apt-get00:20:130
2847191400,2ptp4l7505-21ls00:10:251
2849491390,10getstats0-21swapper/319:37:013
2847191390,5ptp4l0-21swapper/322:33:263
2847191390,5ptp4l0-21swapper/321:10:243
2847191390,5ptp4l0-21swapper/321:10:233
2847191390,5ptp4l0-21swapper/122:40:301
2847191390,4ptp4l0-21swapper/323:57:263
2847191390,4ptp4l0-21swapper/323:50:473
2847191390,4ptp4l0-21swapper/323:31:523
2847191390,4ptp4l0-21swapper/323:31:523
2847191390,4ptp4l0-21swapper/323:10:193
2847191390,4ptp4l0-21swapper/322:55:343
2847191390,4ptp4l0-21swapper/322:40:583
2847191390,4ptp4l0-21swapper/322:10:203
2847191390,4ptp4l0-21swapper/322:10:203
2847191390,4ptp4l0-21swapper/321:55:213
2847191390,4ptp4l0-21swapper/321:05:263
2847191390,4ptp4l0-21swapper/320:43:173
2847191390,4ptp4l0-21swapper/320:12:253
2847191390,4ptp4l0-21swapper/319:45:333
2847191390,4ptp4l0-21swapper/319:43:293
2847191390,4ptp4l0-21swapper/300:16:563
2847191390,4ptp4l0-21swapper/223:41:342
2847191390,4ptp4l0-21swapper/223:01:122
2847191390,4ptp4l0-21swapper/222:55:172
2847191390,4ptp4l0-21swapper/220:25:082
2847191390,4ptp4l0-21swapper/220:25:082
2847191390,4ptp4l0-21swapper/220:01:322
2847191390,4ptp4l0-21swapper/219:40:442
2847191390,4ptp4l0-21swapper/219:28:052
2847191390,4ptp4l0-21swapper/219:21:042
2847191390,4ptp4l0-21swapper/200:00:502
2847191390,4ptp4l0-21swapper/123:45:511
2847191390,4ptp4l0-21swapper/123:18:241
2847191390,4ptp4l0-21swapper/122:30:221
2847191390,4ptp4l0-21swapper/121:50:231
2847191390,4ptp4l0-21swapper/121:28:441
2847191390,4ptp4l0-21swapper/121:15:211
2847191390,4ptp4l0-21swapper/119:40:151
2847191390,4ptp4l0-21swapper/100:25:211
2847191390,4ptp4l0-21swapper/023:00:150
2847191390,4ptp4l0-21swapper/022:30:320
2847191390,4ptp4l0-21swapper/021:45:180
2847191390,4ptp4l0-21swapper/021:35:090
2847191390,4ptp4l0-21swapper/020:30:270
2847191390,4ptp4l0-21swapper/019:27:550
2847191390,4ptp4l0-21swapper/019:24:340
2847191390,3ptp4l20861-21ntp_states22:20:243
2847191390,3ptp4l12548-21/usr/sbin/munin00:20:271
2847191390,3ptp4l0-21swapper/320:02:033
2847191390,3ptp4l0-21swapper/221:31:262
2847191390,3ptp4l0-21swapper/219:35:082
2847191390,3ptp4l0-21swapper/120:36:581
2847191390,3ptp4l0-21swapper/022:35:160
2847191390,3ptp4l0-21swapper/021:10:160
2847191390,3ptp4l0-21swapper/021:10:160
2847191390,2ptp4l17858-21ls19:55:250
2847191380,5ptp4l0-21swapper/219:08:382
2847191380,4ptp4l0-21swapper/323:45:343
2847191380,4ptp4l0-21swapper/323:43:433
2847191380,4ptp4l0-21swapper/323:35:363
2847191380,4ptp4l0-21swapper/323:17:563
2847191380,4ptp4l0-21swapper/323:06:033
2847191380,4ptp4l0-21swapper/322:27:353
2847191380,4ptp4l0-21swapper/321:30:303
2847191380,4ptp4l0-21swapper/321:28:013
2847191380,4ptp4l0-21swapper/320:49:533
2847191380,4ptp4l0-21swapper/320:08:173
2847191380,4ptp4l0-21swapper/319:57:383
2847191380,4ptp4l0-21swapper/300:20:483
2847191380,4ptp4l0-21swapper/300:11:343
2847191380,4ptp4l0-21swapper/300:05:063
2847191380,4ptp4l0-21swapper/122:47:231
2847191380,4ptp4l0-21swapper/121:08:061
2847191380,4ptp4l0-21swapper/022:15:150
2847191380,3ptp4l0-21swapper/323:25:113
2847191380,3ptp4l0-21swapper/323:23:593
2847191380,3ptp4l0-21swapper/322:17:293
2847191380,3ptp4l0-21swapper/320:50:433
2847191380,3ptp4l0-21swapper/320:30:033
2847191380,3ptp4l0-21swapper/300:27:573
2847191380,3ptp4l0-21swapper/119:30:201
2847191370,4ptp4l0-21swapper/320:16:063
2847191370,3ptp4l0-21swapper/320:25:423
2847191370,3ptp4l0-21swapper/320:25:413
2847191370,3ptp4l0-21swapper/319:50:583
2847191370,3ptp4l0-21swapper/300:00:123
2847191310,3ptp4l0-21swapper/320:22:103
2847191300,4ptp4l0-21swapper/322:53:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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