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2026-01-05 - 10:43
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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 Jan 05, 2026 00:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69321610,6sleep31969199cyclictest23:05:253
174782670,6sleep11968999cyclictest22:30:291
134491650,4ptp4l2131-21meminfo19:40:231
181552640,5sleep11968999cyclictest21:25:141
134491590,4ptp4l23215-21memory20:25:221
134491590,4ptp4l0-21swapper/000:37:190
134491590,3ptp4l31010-21idleruntime-cro19:35:011
134491590,18ptp4l6282-21apt-get21:00:131
134491590,18ptp4l6282-21apt-get21:00:131
134491580,4ptp4l0-21swapper/023:40:300
134491570,3ptp4l0-21swapper/223:15:242
134491570,3ptp4l0-21swapper/123:27:181
134491560,3ptp4l0-21swapper/122:30:001
134491560,17ptp4l0-21swapper/122:03:221
134491550,3ptp4l0-21swapper/122:06:231
134491550,3ptp4l0-21swapper/100:20:281
134491550,3ptp4l0-21swapper/020:10:330
134491550,16ptp4l0-21swapper/123:10:201
134491540,3ptp4l0-21swapper/219:50:492
134491540,3ptp4l0-21swapper/200:38:362
134491530,3ptp4l8287-21cpuspeed_turbos19:55:161
134491530,3ptp4l21115-21phc2sys20:20:261
134491530,3ptp4l0-21swapper/223:20:032
134491530,3ptp4l0-21swapper/221:55:382
134491530,3ptp4l0-21swapper/122:17:181
134491530,12ptp4l0-21swapper/121:52:391
134491520,3ptp4l0-21swapper/000:30:170
134491520,13ptp4l0-21swapper/120:49:491
134491520,10ptp4l18695-21python19:05:251
134491510,4ptp4l0-21swapper/123:47:061
134491510,4ptp4l0-21swapper/022:21:570
134491510,3ptp4l0-21swapper/122:45:091
134491510,3ptp4l0-21swapper/121:45:291
134491510,3ptp4l0-21swapper/022:35:220
134491500,4ptp4l0-21swapper/122:13:501
134491500,4ptp4l0-21swapper/119:39:141
134491500,4ptp4l0-21swapper/020:38:100
134491490,4ptp4l0-21swapper/319:13:293
134491490,4ptp4l0-21swapper/222:34:362
134491490,4ptp4l0-21swapper/222:19:212
134491490,4ptp4l0-21swapper/123:16:031
134491490,4ptp4l0-21swapper/120:06:591
134491490,4ptp4l0-21swapper/119:28:521
134491490,3ptp4l0-21swapper/121:23:201
134491490,3ptp4l0-21swapper/100:09:141
134491490,3ptp4l0-21swapper/023:20:300
134491490,3ptp4l0-21swapper/023:07:390
134491490,3ptp4l0-21swapper/019:18:360
134491480,4ptp4l0-21swapper/100:29:401
134491480,4ptp4l0-21swapper/023:02:080
134491480,4ptp4l0-21swapper/020:58:260
134491480,4ptp4l0-21swapper/019:21:070
134491480,3ptp4l0-21swapper/123:09:181
134491480,3ptp4l0-21swapper/122:55:341
134491480,3ptp4l0-21swapper/121:13:211
134491470,4ptp4l0-21swapper/300:37:503
134491470,4ptp4l0-21swapper/123:22:281
134491470,4ptp4l0-21swapper/122:23:551
134491470,4ptp4l0-21swapper/121:42:061
134491470,4ptp4l0-21swapper/121:36:571
134491470,4ptp4l0-21swapper/121:34:261
134491470,4ptp4l0-21swapper/021:31:420
134491470,4ptp4l0-21swapper/019:49:530
134491470,3ptp4l0-21swapper/221:26:582
134491460,4ptp4l0-21swapper/323:40:363
134491460,4ptp4l0-21swapper/219:39:092
134491460,4ptp4l0-21swapper/122:41:111
134491460,3ptp4l0-21swapper/320:56:103
134491460,11ptp4l0-21swapper/021:37:280
19691994540,3cyclictest41-21ksoftirqd/321:40:013
134491450,4ptp4l0-21swapper/123:56:161
134491450,4ptp4l0-21swapper/121:17:061
134491450,3ptp4l121rcu_preempt20:39:161
134491450,3ptp4l0-21swapper/119:24:491
134491450,3ptp4l0-21swapper/022:50:250
134491450,13ptp4l9-21ksoftirqd/019:29:330
134491450,10ptp4l101ktimersoftd/000:10:180
134491440,3ptp4l0-21swapper/219:13:312
134491440,3ptp4l0-21swapper/120:50:581
134491440,3ptp4l0-21swapper/100:19:321
134491430,9ptp4l0-21swapper/022:18:210
134491430,4ptp4l0-21swapper/319:41:503
134491430,4ptp4l0-21swapper/200:13:052
134491430,3ptp4l0-21swapper/021:05:330
134491430,3ptp4l0-21swapper/019:32:220
134491420,5ptp4l0-21swapper/321:10:163
134491420,5ptp4l0-21swapper/019:05:130
134491420,4ptp4l29187-21apt-get20:40:130
134491420,4ptp4l13188-21apt-get21:15:130
134491420,4ptp4l0-21swapper/120:17:381
134491420,3ptp4l0-21swapper/223:04:472
134491420,3ptp4l0-21swapper/219:46:592
19690994135,4cyclictest33-21ksoftirqd/222:06:512
134491410,5ptp4l11454-21iostat21:10:192
134491410,5ptp4l0-21swapper/323:30:233
134491410,5ptp4l0-21swapper/200:15:212
134491410,5ptp4l0-21swapper/121:55:251
134491410,5ptp4l0-21swapper/019:10:120
134491410,4ptp4l9609-21ls21:05:272
134491410,4ptp4l4250-21apt-get23:15:133
134491410,4ptp4l25226-21df21:40:140
134491410,4ptp4l24561-21apt-get20:30:131
134491410,4ptp4l24561-21apt-get20:30:131
134491410,4ptp4l22024-21apt-get19:15:131
134491410,4ptp4l1745-21iostat_ios19:40:200
134491410,4ptp4l13243-21apt-get23:35:032
134491410,4ptp4l0-21swapper/120:43:181
134491410,4ptp4l0-21swapper/100:11:471
19691994034,3cyclictest41-21ksoftirqd/320:45:183
19690994034,4cyclictest33-21ksoftirqd/219:30:112
1969099402,10cyclictest0-21swapper/219:40:532
134491400,7ptp4l0-21swapper/123:00:261
134491400,5ptp4l0-21swapper/321:40:133
134491400,5ptp4l0-21swapper/219:55:292
134491400,5ptp4l0-21swapper/123:35:141
134491400,5ptp4l0-21swapper/119:50:181
134491400,5ptp4l0-21swapper/022:00:120
134491400,4ptp4l9727-21df00:35:161
134491400,4ptp4l5076-21ntp_states20:55:241
134491400,4ptp4l32485-21iostat21:55:180
134491400,4ptp4l25133-21iostat_ios20:30:193
134491400,4ptp4l25133-21iostat_ios20:30:193
134491400,4ptp4l20175-21df20:20:170
134491400,4ptp4l0-21swapper/321:55:233
134491400,4ptp4l0-21swapper/222:50:312
134491400,4ptp4l0-21swapper/220:30:462
134491400,4ptp4l0-21swapper/220:30:462
134491400,4ptp4l0-21swapper/123:30:211
134491400,4ptp4l0-21swapper/122:54:231
134491400,4ptp4l0-21swapper/100:00:091
134491400,4ptp4l0-21swapper/100:00:081
134491400,4ptp4l0-21swapper/023:45:180
134491400,4ptp4l0-21swapper/023:35:280
134491400,4ptp4l0-21swapper/023:25:240
134491400,4ptp4l0-21swapper/021:24:200
134491400,4ptp4l0-21swapper/000:25:160
134491400,3ptp4l8136-21apt-get19:55:140
134491400,3ptp4l7217-21apt-get00:30:142
134491400,3ptp4l5841-21apt-get19:50:170
134491400,3ptp4l30737-21ntp_states21:50:240
134491390,5ptp4l16736-21/usr/sbin/munin22:30:200
134491390,5ptp4l13521-21cat22:25:142
134491390,5ptp4l0-21swapper/223:05:222
134491390,5ptp4l0-21swapper/220:00:242
134491390,5ptp4l0-21swapper/123:40:231
134491390,5ptp4l0-21swapper/023:50:140
134491390,5ptp4l0-21swapper/022:56:260
134491390,5ptp4l0-21swapper/020:15:250
134491390,4ptp4l8370-21/usr/sbin/munin00:30:271
134491390,4ptp4l31790-21diskstats20:45:130
134491390,4ptp4l24547-21/usr/sbin/munin20:30:240
134491390,4ptp4l24547-21/usr/sbin/munin20:30:240
134491390,4ptp4l2206-21df_inode23:10:210
134491390,4ptp4l16064-21apt-get23:40:132
134491390,4ptp4l14364-21ntp_states21:15:233
134491390,4ptp4l0-21swapper/323:45:153
134491390,4ptp4l0-21swapper/323:10:303
134491390,4ptp4l0-21swapper/322:20:343
134491390,4ptp4l0-21swapper/321:50:183
134491390,4ptp4l0-21swapper/319:55:243
134491390,4ptp4l0-21swapper/223:30:222
134491390,4ptp4l0-21swapper/222:49:392
134491390,4ptp4l0-21swapper/221:35:242
134491390,4ptp4l0-21swapper/221:04:352
134491390,4ptp4l0-21swapper/221:04:342
134491390,4ptp4l0-21swapper/200:05:382
134491390,4ptp4l0-21swapper/122:38:031
134491390,4ptp4l0-21swapper/120:00:331
134491390,4ptp4l0-21swapper/023:55:120
134491390,4ptp4l0-21swapper/023:33:520
134491390,4ptp4l0-21swapper/022:45:020
134491390,4ptp4l0-21swapper/022:40:310
134491390,4ptp4l0-21swapper/020:05:150
134491390,4ptp4l0-21swapper/000:20:120
134491390,4ptp4l0-21swapper/000:16:050
134491390,4ptp4l0-21swapper/000:00:220
134491390,4ptp4l0-21swapper/000:00:220
134491390,3ptp4l6709-21hddtemp_smartct21:00:180
134491390,3ptp4l6709-21hddtemp_smartct21:00:180
134491390,3ptp4l28764-21meminfo00:05:210
134491390,3ptp4l22833-21iostat_ios20:25:200
134491390,3ptp4l22000-21ls22:40:302
134491390,3ptp4l18820-21meminfo21:25:200
134491390,3ptp4l0-21swapper/220:55:112
19691993833,3cyclictest41-21ksoftirqd/322:55:113
19691993833,3cyclictest41-21ksoftirqd/300:15:203
1969199380,2cyclictest121rcu_preempt22:35:253
19690993833,3cyclictest33-21ksoftirqd/223:45:352
19690993833,3cyclictest33-21ksoftirqd/220:10:002
134491380,5ptp4l5339-21chrt19:46:533
134491380,5ptp4l0-21swapper/322:25:583
134491380,5ptp4l0-21swapper/320:20:293
134491380,5ptp4l0-21swapper/119:10:111
134491380,4ptp4l0-21swapper/323:50:253
134491380,4ptp4l0-21swapper/323:35:253
134491380,4ptp4l0-21swapper/323:20:203
134491380,4ptp4l0-21swapper/323:04:303
134491380,4ptp4l0-21swapper/322:47:213
134491380,4ptp4l0-21swapper/322:44:323
134491380,4ptp4l0-21swapper/322:16:303
134491380,4ptp4l0-21swapper/322:03:103
134491380,4ptp4l0-21swapper/321:30:283
134491380,4ptp4l0-21swapper/321:27:263
134491380,4ptp4l0-21swapper/320:25:033
134491380,4ptp4l0-21swapper/320:10:263
134491380,4ptp4l0-21swapper/320:00:233
134491380,4ptp4l0-21swapper/300:25:303
134491380,4ptp4l0-21swapper/223:58:482
134491380,4ptp4l0-21swapper/223:10:302
134491380,4ptp4l0-21swapper/222:59:282
134491380,4ptp4l0-21swapper/222:20:232
134491380,4ptp4l0-21swapper/222:02:232
134491380,4ptp4l0-21swapper/221:50:182
134491380,4ptp4l0-21swapper/221:45:012
134491380,4ptp4l0-21swapper/221:40:052
134491380,4ptp4l0-21swapper/221:20:262
134491380,4ptp4l0-21swapper/220:46:482
134491380,4ptp4l0-21swapper/220:43:472
134491380,4ptp4l0-21swapper/220:15:192
134491380,4ptp4l0-21swapper/220:12:122
134491380,4ptp4l0-21swapper/219:22:522
134491380,4ptp4l0-21swapper/219:18:532
134491380,4ptp4l0-21swapper/121:05:181
134491380,4ptp4l0-21swapper/120:10:021
134491380,4ptp4l0-21swapper/023:16:340
134491380,4ptp4l0-21swapper/022:25:260
134491380,4ptp4l0-21swapper/022:10:130
134491380,4ptp4l0-21swapper/022:05:150
134491380,4ptp4l0-21swapper/021:45:140
134491380,4ptp4l0-21swapper/021:10:210
134491380,4ptp4l0-21swapper/020:50:120
134491380,4ptp4l0-21swapper/020:00:250
134491380,4ptp4l0-21swapper/019:35:150
134491380,3ptp4l3743-21df19:45:131
134491380,3ptp4l21453-21iostat23:50:181
134491380,3ptp4l0-21swapper/220:37:382
19691993731,3cyclictest41-21ksoftirqd/319:20:213
19691993731,3cyclictest41-21ksoftirqd/319:15:213
134491370,4ptp4l0-21swapper/323:56:223
134491370,4ptp4l0-21swapper/322:50:363
134491370,4ptp4l0-21swapper/322:32:363
134491370,4ptp4l0-21swapper/322:12:063
134491370,4ptp4l0-21swapper/321:24:303
134491370,4ptp4l0-21swapper/321:02:253
134491370,4ptp4l0-21swapper/321:02:253
134491370,4ptp4l0-21swapper/320:52:173
134491370,4ptp4l0-21swapper/320:15:283
134491370,4ptp4l0-21swapper/319:39:353
134491370,4ptp4l0-21swapper/319:32:373
134491370,4ptp4l0-21swapper/319:25:343
134491370,4ptp4l0-21swapper/300:24:183
134491370,4ptp4l0-21swapper/300:10:173
134491370,4ptp4l0-21swapper/300:05:403
134491370,4ptp4l0-21swapper/300:03:473
134491370,4ptp4l0-21swapper/300:03:463
134491370,4ptp4l0-21swapper/223:50:252
134491370,4ptp4l0-21swapper/222:39:252
134491370,4ptp4l0-21swapper/221:31:062
134491370,4ptp4l0-21swapper/221:16:482
134491370,4ptp4l0-21swapper/220:25:232
134491370,4ptp4l0-21swapper/220:21:532
134491370,4ptp4l0-21swapper/219:25:332
134491370,3ptp4l0-21swapper/321:48:083
134491370,3ptp4l0-21swapper/321:09:483
134491370,3ptp4l0-21swapper/320:39:193
134491370,3ptp4l0-21swapper/223:25:222
134491370,3ptp4l0-21swapper/220:52:202
134491360,4ptp4l0-21swapper/322:06:033
134491360,4ptp4l0-21swapper/320:09:283
134491360,4ptp4l0-21swapper/300:30:433
134491360,4ptp4l0-21swapper/222:10:442
134491360,4ptp4l0-21swapper/200:25:142
134491360,3ptp4l0-21swapper/319:53:413
134491360,3ptp4l0-21swapper/200:23:452
134491350,3ptp4l0-21swapper/323:29:283
134491350,3ptp4l0-21swapper/200:01:422
134491350,3ptp4l0-21swapper/200:01:422
46198340,4rtkit-daemon0-21swapper/320:44:423
46198240,5rtkit-daemon0-21swapper/319:09:213
188472240,6sleep20-21swapper/219:05:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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