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2026-08-15 - 03:38
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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 Aug 15, 2026 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491670,3ptp4l21251-21/usr/sbin/munin20:10:280
134491600,4ptp4l0-21swapper/220:27:422
134491600,3ptp4l0-21swapper/223:09:562
134491580,5ptp4l0-21swapper/119:09:141
134491580,4ptp4l0-21swapper/120:25:161
134491580,4ptp4l0-21swapper/120:05:151
134491580,4ptp4l0-21swapper/023:45:150
134491580,3ptp4l0-21swapper/100:39:521
134491570,4ptp4l0-21swapper/222:50:042
134491550,3ptp4l0-21swapper/221:38:552
134491550,11ptp4l0-21swapper/100:15:441
134491540,3ptp4l0-21swapper/320:20:133
134491540,3ptp4l0-21swapper/223:01:132
134491540,3ptp4l0-21swapper/222:21:122
134491540,3ptp4l0-21swapper/200:10:442
134491540,11ptp4l0-21swapper/119:10:181
134491530,4ptp4l0-21swapper/323:07:293
134491530,4ptp4l0-21swapper/220:17:342
134491530,4ptp4l0-21swapper/122:30:041
134491530,4ptp4l0-21swapper/121:20:011
134491530,3ptp4l0-21swapper/219:16:232
134491530,3ptp4l0-21swapper/120:20:231
134491520,9ptp4l21978-21apt-get19:05:102
134491520,4ptp4l0-21swapper/221:20:022
134491520,4ptp4l0-21swapper/123:00:051
134491520,4ptp4l0-21swapper/122:25:051
134491520,3ptp4l0-21swapper/123:40:211
134491510,5ptp4l41-21ksoftirqd/322:00:223
134491510,5ptp4l41-21ksoftirqd/322:00:223
134491510,4ptp4l0-21swapper/300:25:513
134491510,4ptp4l0-21swapper/223:36:132
134491510,4ptp4l0-21swapper/222:17:142
134491510,4ptp4l0-21swapper/221:32:142
134491510,4ptp4l0-21swapper/219:13:102
134491510,3ptp4l0-21swapper/222:05:232
134491500,9ptp4l29013-21apt-get19:20:112
134491500,4ptp4l0-21swapper/323:56:583
134491500,4ptp4l0-21swapper/219:59:352
134491500,4ptp4l0-21swapper/120:46:561
134491500,4ptp4l0-21swapper/021:52:210
134491500,3ptp4l0-21swapper/223:34:482
134491490,9ptp4l0-21swapper/119:35:231
134491490,5ptp4l0-21swapper/019:08:590
134491490,4ptp4l0-21swapper/323:22:183
134491490,4ptp4l0-21swapper/221:06:042
134491490,4ptp4l0-21swapper/221:04:402
134491490,4ptp4l0-21swapper/220:53:522
134491490,4ptp4l0-21swapper/219:43:522
134491490,4ptp4l0-21swapper/200:22:072
134491490,4ptp4l0-21swapper/122:45:011
134491490,4ptp4l0-21swapper/122:36:061
134491490,4ptp4l0-21swapper/121:45:381
134491490,4ptp4l0-21swapper/119:46:451
134491490,4ptp4l0-21swapper/022:22:290
134491490,3ptp4l0-21swapper/020:23:000
134491490,10ptp4l0-21swapper/319:05:123
134491480,8ptp4l0-21swapper/021:14:310
134491480,4ptp4l9800-21df_inode00:25:150
134491480,4ptp4l2431499cyclictest21:36:393
134491480,3ptp4l0-21swapper/219:36:472
134491470,4ptp4l0-21swapper/119:52:171
134491470,3ptp4l0-21swapper/123:18:371
134491470,3ptp4l0-21swapper/100:07:151
134491460,4ptp4l0-21swapper/323:14:553
134491460,3ptp4l0-21swapper/119:26:341
134491460,2ptp4l0-21swapper/119:57:071
134491450,9ptp4l0-21swapper/023:53:320
134491450,4ptp4l0-21swapper/221:55:262
134491450,4ptp4l0-21swapper/020:59:220
134491450,3ptp4l2431499cyclictest00:06:343
134491450,3ptp4l0-21swapper/320:48:593
134491450,3ptp4l0-21swapper/222:25:212
134491450,3ptp4l0-21swapper/122:51:381
134491440,9ptp4l0-21swapper/000:32:130
134491440,7ptp4l0-21swapper/222:31:142
134491440,6ptp4l9-21ksoftirqd/023:57:430
134491440,5ptp4l0-21swapper/020:25:120
134491440,3ptp4l0-21swapper/220:38:422
134491430,9ptp4l0-21swapper/022:17:440
134491430,9ptp4l0-21swapper/021:18:000
134491430,5ptp4l0-21swapper/123:45:201
134491430,5ptp4l0-21swapper/022:50:180
134491430,4ptp4l9762-21irqstats22:05:180
134491430,4ptp4l19662-21python23:35:260
134491430,2ptp4l18318-21apt-get23:35:123
134491420,9ptp4l0-21swapper/221:47:562
134491420,9ptp4l0-21swapper/221:44:432
134491420,9ptp4l0-21swapper/023:43:420
134491420,5ptp4l7349-21ntp_states20:50:233
134491420,4ptp4l3939-21apt-get20:45:120
134491420,4ptp4l32238-21apt-get22:55:092
134491420,4ptp4l27894-21diskstats23:55:131
134491420,4ptp4l26355-21ntp_states23:50:221
134491420,4ptp4l18337-21df22:25:140
134491420,4ptp4l11521-21df_inode22:10:151
134491420,4ptp4l0-21swapper/322:54:003
134491420,4ptp4l0-21swapper/322:30:283
134491420,4ptp4l0-21swapper/121:05:181
134491420,4ptp4l0-21swapper/023:20:230
134491420,3ptp4l5877-21apt-get19:40:110
134491420,3ptp4l25237-21apt-get23:50:112
134491420,3ptp4l1181-21apt-get19:30:101
134491410,8ptp4l33-21ksoftirqd/219:45:122
134491410,7ptp4l0-21swapper/223:28:132
134491410,5ptp4l23976-21ps22:35:252
134491410,5ptp4l0-21swapper/300:00:223
134491410,5ptp4l0-21swapper/023:28:440
134491410,5ptp4l0-21swapper/022:35:220
134491410,5ptp4l0-21swapper/020:50:160
134491410,5ptp4l0-21swapper/019:35:100
134491410,4ptp4l8916-21apt-get22:05:113
134491410,4ptp4l7295-21ls19:40:251
134491410,4ptp4l30204-21df_inode00:00:150
134491410,4ptp4l29586-21iostat_ios19:20:181
134491410,4ptp4l25503-21irqstats21:30:161
134491410,4ptp4l10482-21sed23:15:233
134491410,4ptp4l0-21swapper/222:48:542
134491410,4ptp4l0-21swapper/220:56:232
134491410,4ptp4l0-21swapper/200:00:292
134491410,4ptp4l0-21swapper/123:10:131
134491410,4ptp4l0-21swapper/123:06:121
134491410,4ptp4l0-21swapper/022:42:450
134491410,4ptp4l0-21swapper/022:31:060
134491410,4ptp4l0-21swapper/022:10:450
134491410,4ptp4l0-21swapper/021:25:170
134491410,3ptp4l9101-21apt-get23:15:100
134491410,3ptp4l738-21ls22:55:171
134491410,3ptp4l28002-21iostat22:45:150
134491400,5ptp4l5410-21run-parts21:55:260
134491400,5ptp4l0-21swapper/321:55:193
134491400,5ptp4l0-21swapper/120:35:211
134491400,5ptp4l0-21swapper/100:30:131
134491400,5ptp4l0-21swapper/021:39:010
134491400,5ptp4l0-21swapper/019:50:270
134491400,4ptp4l5311-21cut23:05:190
134491400,4ptp4l31881-21iostat_ios19:25:180
134491400,4ptp4l29724-21iostat_ios20:30:160
134491400,4ptp4l17948-21df21:15:131
134491400,4ptp4l16005-21/usr/sbin/munin23:30:253
134491400,4ptp4l0-21swapper/323:50:143
134491400,4ptp4l0-21swapper/323:42:363
134491400,4ptp4l0-21swapper/323:28:213
134491400,4ptp4l0-21swapper/323:04:563
134491400,4ptp4l0-21swapper/322:57:553
134491400,4ptp4l0-21swapper/322:45:163
134491400,4ptp4l0-21swapper/322:40:123
134491400,4ptp4l0-21swapper/322:23:133
134491400,4ptp4l0-21swapper/320:05:113
134491400,4ptp4l0-21swapper/319:43:113
134491400,4ptp4l0-21swapper/319:39:373
134491400,4ptp4l0-21swapper/223:46:082
134491400,4ptp4l0-21swapper/223:42:352
134491400,4ptp4l0-21swapper/223:20:252
134491400,4ptp4l0-21swapper/222:40:242
134491400,4ptp4l0-21swapper/220:10:132
134491400,4ptp4l0-21swapper/220:05:382
134491400,4ptp4l0-21swapper/200:05:402
134491400,4ptp4l0-21swapper/123:35:151
134491400,4ptp4l0-21swapper/123:30:161
134491400,4ptp4l0-21swapper/122:19:321
134491400,4ptp4l0-21swapper/120:30:251
134491400,4ptp4l0-21swapper/120:04:471
134491400,4ptp4l0-21swapper/023:10:380
134491400,4ptp4l0-21swapper/021:49:370
134491400,4ptp4l0-21swapper/021:30:150
134491400,4ptp4l0-21swapper/021:02:180
134491400,4ptp4l0-21swapper/020:35:260
134491400,4ptp4l0-21swapper/020:15:230
134491400,4ptp4l0-21swapper/019:55:170
134491400,4ptp4l0-21swapper/000:15:370
134491400,4ptp4l0-21swapper/000:09:450
134491400,3ptp4l9226-21diskstats22:05:151
134491400,3ptp4l31403-21ls00:00:281
134491400,3ptp4l26642-21apt-get19:15:130
134491400,3ptp4l14658-21iostat_ios00:35:180
134491400,3ptp4l13510-21apt-get22:15:113
24314993934,3cyclictest41-21ksoftirqd/319:29:233
134491390,5ptp4l10967-21cpuspeed_turbos21:00:143
134491390,5ptp4l0-21swapper/321:52:283
134491390,4ptp4l6922-21df_inode22:00:161
134491390,4ptp4l6922-21df_inode22:00:161
134491390,4ptp4l25809-21sed22:40:181
134491390,4ptp4l16036-21memory20:00:210
134491390,4ptp4l14508-21sed23:25:171
134491390,4ptp4l13115-21latency_hist21:05:001
134491390,4ptp4l0-21swapper/323:46:163
134491390,4ptp4l0-21swapper/322:25:243
134491390,4ptp4l0-21swapper/321:43:263
134491390,4ptp4l0-21swapper/321:25:193
134491390,4ptp4l0-21swapper/321:20:213
134491390,4ptp4l0-21swapper/321:09:153
134491390,4ptp4l0-21swapper/320:55:153
134491390,4ptp4l0-21swapper/320:43:213
134491390,4ptp4l0-21swapper/320:36:463
134491390,4ptp4l0-21swapper/320:31:453
134491390,4ptp4l0-21swapper/319:45:313
134491390,4ptp4l0-21swapper/319:16:123
134491390,4ptp4l0-21swapper/300:35:283
134491390,4ptp4l0-21swapper/300:15:323
134491390,4ptp4l0-21swapper/300:10:153
134491390,4ptp4l0-21swapper/223:55:542
134491390,4ptp4l0-21swapper/223:17:022
134491390,4ptp4l0-21swapper/223:10:502
134491390,4ptp4l0-21swapper/221:51:432
134491390,4ptp4l0-21swapper/221:26:502
134491390,4ptp4l0-21swapper/221:10:142
134491390,4ptp4l0-21swapper/220:22:202
134491390,4ptp4l0-21swapper/220:00:152
134491390,4ptp4l0-21swapper/219:34:572
134491390,4ptp4l0-21swapper/219:28:482
134491390,4ptp4l0-21swapper/200:39:202
134491390,4ptp4l0-21swapper/200:31:552
134491390,4ptp4l0-21swapper/200:25:142
134491390,4ptp4l0-21swapper/200:17:302
134491390,4ptp4l0-21swapper/123:20:261
134491390,4ptp4l0-21swapper/121:55:151
134491390,4ptp4l0-21swapper/121:50:101
134491390,4ptp4l0-21swapper/121:25:221
134491390,4ptp4l0-21swapper/120:50:141
134491390,4ptp4l0-21swapper/100:27:071
134491390,4ptp4l0-21swapper/100:10:131
134491390,4ptp4l0-21swapper/023:00:190
134491390,4ptp4l0-21swapper/021:40:170
134491390,4ptp4l0-21swapper/021:20:170
134491390,4ptp4l0-21swapper/021:07:290
134491390,4ptp4l0-21swapper/020:05:290
134491390,4ptp4l0-21swapper/019:45:150
134491390,4ptp4l0-21swapper/019:30:190
134491390,4ptp4l0-21swapper/019:10:190
134491390,4ptp4l0-21swapper/000:22:250
134491390,3ptp4l29221-21df19:20:130
134491390,3ptp4l27321-21diskstats21:35:151
134491390,3ptp4l1800-21hddtemp_smartct20:40:161
134491390,3ptp4l0-21swapper/222:10:242
134491390,3ptp4l0-21swapper/220:43:132
134491390,3ptp4l0-21swapper/022:00:050
134491390,3ptp4l0-21swapper/022:00:050
134491380,5ptp4l0-21swapper/023:32:280
134491380,4ptp4l25-21ksoftirqd/120:55:141
134491380,4ptp4l0-21swapper/322:35:153
134491380,4ptp4l0-21swapper/321:16:353
134491380,4ptp4l0-21swapper/321:10:133
134491380,4ptp4l0-21swapper/320:25:033
134491380,4ptp4l0-21swapper/320:10:473
134491380,4ptp4l0-21swapper/320:00:473
134491380,4ptp4l0-21swapper/319:30:483
134491380,4ptp4l0-21swapper/319:10:323
134491380,4ptp4l0-21swapper/300:31:323
134491380,4ptp4l0-21swapper/300:22:083
134491380,4ptp4l0-21swapper/221:17:032
134491380,4ptp4l0-21swapper/220:45:162
134491380,4ptp4l0-21swapper/220:32:222
134491380,4ptp4l0-21swapper/121:43:311
134491380,4ptp4l0-21swapper/121:10:111
134491380,4ptp4l0-21swapper/120:15:171
134491380,4ptp4l0-21swapper/120:10:011
134491380,4ptp4l0-21swapper/020:43:580
134491380,4ptp4l0-21swapper/000:10:510
134491380,3ptp4l0-21swapper/321:30:193
134491380,3ptp4l0-21swapper/219:50:502
134491380,3ptp4l0-21swapper/122:20:131
134491380,3ptp4l0-21swapper/119:15:171
134491380,3ptp4l0-21swapper/100:20:531
134491380,3ptp4l0-21swapper/022:55:220
134491370,4ptp4l0-21swapper/321:49:093
134491370,4ptp4l0-21swapper/320:19:273
134491370,4ptp4l0-21swapper/319:58:293
134491370,4ptp4l0-21swapper/319:23:563
134491370,3ptp4l12461-21chrt19:54:213
134491370,3ptp4l0-21swapper/222:00:522
134491370,3ptp4l0-21swapper/222:00:522
134491320,3ptp4l0-21swapper/322:13:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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