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2026-07-30 - 15:14
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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 Thu Jul 30, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491760,12ptp4l26332-21apt-get19:05:122
155182680,5sleep00-21swapper/023:20:110
134491620,3ptp4l19646-21apt-get20:00:120
23882610,6sleep12866499cyclictest21:40:201
134491610,4ptp4l0-21swapper/222:45:202
134491600,4ptp4l28809-21ls23:45:263
134491600,4ptp4l0-21swapper/323:22:363
134491590,4ptp4l0-21swapper/221:05:512
134491590,3ptp4l0-21swapper/021:05:250
134491590,23ptp4l25-21ksoftirqd/119:25:331
29982580,2sleep00-21swapper/000:00:270
134491580,22ptp4l25-21ksoftirqd/119:55:171
134491570,5ptp4l0-21swapper/020:20:540
134491570,3ptp4l0-21swapper/319:11:113
134491560,4ptp4l0-21swapper/000:35:000
134491560,3ptp4l0-21swapper/123:58:081
134491550,3ptp4l0-21swapper/122:00:151
134491550,3ptp4l0-21swapper/121:00:501
134491550,3ptp4l0-21swapper/022:00:290
134491540,4ptp4l0-21swapper/319:07:353
134491530,4ptp4l0-21swapper/321:11:573
134491530,4ptp4l0-21swapper/320:49:483
134491530,4ptp4l0-21swapper/223:50:552
134491530,4ptp4l0-21swapper/121:46:061
134491530,3ptp4l0-21swapper/223:23:452
134491520,4ptp4l0-21swapper/121:50:011
134491520,4ptp4l0-21swapper/100:00:261
134491520,3ptp4l0-21swapper/223:58:372
134491520,3ptp4l0-21swapper/219:42:432
134491510,4ptp4l2822-21meminfo00:00:233
134491510,4ptp4l0-21swapper/323:43:533
134491510,4ptp4l0-21swapper/222:50:472
134491510,4ptp4l0-21swapper/222:42:512
134491510,4ptp4l0-21swapper/200:11:172
134491510,4ptp4l0-21swapper/121:23:011
134491510,4ptp4l0-21swapper/119:33:251
134491510,3ptp4l0-21swapper/220:17:142
134491500,4ptp4l0-21swapper/323:51:073
134491500,4ptp4l0-21swapper/320:38:353
134491500,4ptp4l0-21swapper/320:31:003
134491500,4ptp4l0-21swapper/320:31:003
134491500,4ptp4l0-21swapper/319:47:473
134491500,4ptp4l0-21swapper/123:20:021
134491500,4ptp4l0-21swapper/100:27:021
134491500,4ptp4l0-21swapper/023:40:110
134491500,4ptp4l0-21swapper/020:58:310
134491500,3ptp4l0-21swapper/200:23:512
134491500,3ptp4l0-21swapper/122:13:111
134491490,4ptp4l0-21swapper/320:06:163
134491490,4ptp4l0-21swapper/220:13:352
134491490,3ptp4l0-21swapper/219:49:032
134491480,5ptp4l0-21swapper/000:12:020
134491480,4ptp4l0-21swapper/220:05:072
134491480,4ptp4l0-21swapper/023:54:590
134491480,4ptp4l0-21swapper/020:48:300
134491480,3ptp4l0-21swapper/322:14:303
134491480,3ptp4l0-21swapper/219:36:162
134491480,3ptp4l0-21swapper/123:25:391
134491480,3ptp4l0-21swapper/121:39:451
134691470,2getstats2866399cyclictest22:30:380
134691470,2getstats2866399cyclictest22:30:380
134691470,10getstats22289-21ls23:35:001
134491470,6ptp4l33-21ksoftirqd/223:41:202
134491470,4ptp4l0-21swapper/322:20:483
134491470,4ptp4l0-21swapper/200:36:102
134491470,3ptp4l0-21swapper/319:25:143
134491470,3ptp4l0-21swapper/220:47:182
134491470,3ptp4l0-21swapper/122:40:201
134491460,5ptp4l0-21swapper/319:40:203
134491460,4ptp4l0-21swapper/300:18:453
134491460,4ptp4l0-21swapper/122:18:121
134491460,4ptp4l0-21swapper/023:57:440
134491460,3ptp4l2866699cyclictest23:39:053
134491460,3ptp4l0-21swapper/219:51:232
134491460,3ptp4l0-21swapper/021:10:170
134491460,3ptp4l0-21swapper/000:23:060
134491460,2ptp4l0-21swapper/221:02:122
134691450,11getstats0-21swapper/122:52:061
134491450,3ptp4l0-21swapper/200:01:072
134491450,3ptp4l0-21swapper/119:20:151
134491450,10ptp4l0-21swapper/222:17:582
134691440,11getstats0-21swapper/122:23:071
134691440,11getstats0-21swapper/119:42:421
134491440,9ptp4l0-21swapper/223:08:042
134491440,9ptp4l0-21swapper/219:57:332
134491440,9ptp4l0-21swapper/200:16:332
134491440,9ptp4l0-21swapper/020:50:320
134491440,4ptp4l0-21swapper/022:07:530
134491440,3ptp4l0-21swapper/320:01:183
134491440,3ptp4l0-21swapper/122:28:361
134491440,3ptp4l0-21swapper/100:31:111
134491440,3ptp4l0-21swapper/023:45:150
134491440,10ptp4l0-21swapper/020:18:260
134691430,11getstats0-21swapper/123:12:381
134691430,11getstats0-21swapper/120:48:441
134691430,10getstats0-21swapper/121:57:031
134691430,10getstats0-21swapper/120:06:591
134491430,9ptp4l0-21swapper/221:28:052
134491430,9ptp4l0-21swapper/021:02:310
134491430,9ptp4l0-21swapper/019:36:110
134491430,5ptp4l0-21swapper/120:00:191
134491430,4ptp4l7235-21iostat_ios00:10:191
134491430,4ptp4l26605-21apt-get22:35:040
134491430,4ptp4l26605-21apt-get22:35:040
134491430,4ptp4l23761-21users21:15:270
134491430,4ptp4l10034-21irqstats00:15:201
134491430,4ptp4l0-21swapper/020:34:460
134491430,4ptp4l0-21swapper/020:34:460
134491430,3ptp4l2866699cyclictest23:15:433
134491430,3ptp4l0-21swapper/121:29:341
134491430,10ptp4l0-21swapper/019:50:350
28666994237,3cyclictest41-21ksoftirqd/300:40:003
28663994233,7cyclictest9-21ksoftirqd/020:45:010
134691420,11getstats0-21swapper/121:17:211
134691420,11getstats0-21swapper/119:38:011
134691420,10getstats0-21swapper/122:36:471
134691420,10getstats0-21swapper/122:36:471
134691420,10getstats0-21swapper/122:32:411
134691420,10getstats0-21swapper/122:32:411
134691420,10getstats0-21swapper/122:06:261
134691420,10getstats0-21swapper/100:07:381
134691420,10getstats0-21swapper/100:07:381
134491420,9ptp4l0-21swapper/221:36:032
134491420,6ptp4l26435-1kworker/1:0H00:20:201
134491420,5ptp4l0-21swapper/123:15:211
134491420,4ptp4l32689-21ntp_states21:35:210
134491420,4ptp4l10588-21apt-get20:50:121
134491420,4ptp4l0-21swapper/219:28:122
134491420,3ptp4l7252-21ls23:00:210
134491420,3ptp4l0-21swapper/021:47:160
28665994128,11cyclictest33-21ksoftirqd/221:53:482
134691410,10getstats0-21swapper/123:41:071
134691410,10getstats0-21swapper/121:14:091
134491410,9ptp4l0-21swapper/221:45:412
134491410,8ptp4l0-21swapper/221:55:462
134491410,5ptp4l0-21swapper/321:00:113
134491410,5ptp4l0-21swapper/320:20:113
134491410,5ptp4l0-21swapper/219:10:182
134491410,5ptp4l0-21swapper/120:10:221
134491410,4ptp4l6984-21irqstats21:50:160
134491410,4ptp4l31731-21iostat_ios20:25:171
134491410,4ptp4l31201-21df19:15:150
134491410,4ptp4l23062-21ntp_states20:05:230
134491410,4ptp4l1800-21df_inode21:40:150
134491410,4ptp4l15247-21/usr/sbin/munin19:50:151
134491410,4ptp4l13689-21meminfo19:45:180
134491410,4ptp4l0-21swapper/319:35:163
134491410,4ptp4l0-21swapper/300:25:233
134491410,4ptp4l0-21swapper/300:08:013
134491410,4ptp4l0-21swapper/300:08:013
134491410,4ptp4l0-21swapper/223:29:072
134491410,4ptp4l0-21swapper/220:38:022
134491410,4ptp4l0-21swapper/021:20:320
134491410,3ptp4l5787-21apt-get20:40:152
134491410,3ptp4l0-21swapper/323:29:493
134491410,0ptp4l101ktimersoftd/022:55:190
28666994037,2cyclictest41-21ksoftirqd/322:00:003
28666994036,2cyclictest26605-21apt-get22:35:003
28666994036,2cyclictest26605-21apt-get22:35:003
28665994036,2cyclictest33-21ksoftirqd/219:24:592
28663994035,3cyclictest9-21ksoftirqd/022:20:000
134491400,9ptp4l0-21swapper/121:06:081
134491400,5ptp4l3582-21/usr/sbin/munin20:35:151
134491400,5ptp4l27109-21fschecks_time21:25:150
134491400,5ptp4l0-21swapper/121:30:281
134491400,5ptp4l0-21swapper/120:59:151
134491400,5ptp4l0-21swapper/120:40:171
134491400,5ptp4l0-21swapper/023:35:120
134491400,5ptp4l0-21swapper/023:25:200
134491400,5ptp4l0-21swapper/019:55:270
134491400,4ptp4l28764-21apt-get21:30:010
134491400,4ptp4l0-21swapper/323:55:213
134491400,4ptp4l0-21swapper/323:14:593
134491400,4ptp4l0-21swapper/321:25:183
134491400,4ptp4l0-21swapper/321:16:033
134491400,4ptp4l0-21swapper/321:05:263
134491400,4ptp4l0-21swapper/320:40:083
134491400,4ptp4l0-21swapper/320:29:493
134491400,4ptp4l0-21swapper/320:13:313
134491400,4ptp4l0-21swapper/319:50:273
134491400,4ptp4l0-21swapper/300:23:493
134491400,4ptp4l0-21swapper/300:10:173
134491400,4ptp4l0-21swapper/223:45:202
134491400,4ptp4l0-21swapper/221:22:182
134491400,4ptp4l0-21swapper/221:15:092
134491400,4ptp4l0-21swapper/220:23:182
134491400,4ptp4l0-21swapper/219:30:112
134491400,4ptp4l0-21swapper/219:15:092
134491400,4ptp4l0-21swapper/200:26:172
134491400,4ptp4l0-21swapper/200:09:262
134491400,4ptp4l0-21swapper/200:09:262
134491400,4ptp4l0-21swapper/120:20:171
134491400,4ptp4l0-21swapper/023:33:020
134491400,4ptp4l0-21swapper/023:15:130
134491400,4ptp4l0-21swapper/022:27:240
134491400,4ptp4l0-21swapper/022:13:440
134491400,4ptp4l0-21swapper/020:28:400
134491400,4ptp4l0-21swapper/019:40:210
134491400,4ptp4l0-21swapper/019:14:580
134491400,4ptp4l0-21swapper/000:36:300
134491400,3ptp4l9726-21ntp_states23:05:231
134491400,3ptp4l27652-21ntp_states20:15:223
134491400,3ptp4l27382-21irqstats20:15:191
134491400,3ptp4l11749-21irqstats23:10:190
134491400,3ptp4l11709-21ntp_states20:50:233
134491400,3ptp4l0-21swapper/221:10:232
134491400,3ptp4l0-21swapper/000:17:010
28664993932,4cyclictest25-21ksoftirqd/123:45:161
134491390,9ptp4l0-21swapper/222:12:552
134491390,5ptp4l21275-21phc2sys23:30:223
134491390,5ptp4l0-21swapper/019:20:240
134491390,4ptp4l31485-21if_enp1s019:15:193
134491390,4ptp4l14243-21ls19:45:261
134491390,4ptp4l13408-21df23:15:112
134491390,4ptp4l0-21swapper/320:55:173
134491390,4ptp4l0-21swapper/319:30:183
134491390,4ptp4l0-21swapper/319:20:033
134491390,4ptp4l0-21swapper/300:30:113
134491390,4ptp4l0-21swapper/223:39:132
134491390,4ptp4l0-21swapper/223:30:372
134491390,4ptp4l0-21swapper/223:14:462
134491390,4ptp4l0-21swapper/222:25:152
134491390,4ptp4l0-21swapper/222:07:492
134491390,4ptp4l0-21swapper/222:01:442
134491390,4ptp4l0-21swapper/221:41:012
134491390,4ptp4l0-21swapper/221:33:282
134491390,4ptp4l0-21swapper/220:50:332
134491390,4ptp4l0-21swapper/220:31:082
134491390,4ptp4l0-21swapper/220:31:082
134491390,4ptp4l0-21swapper/220:25:232
134491390,4ptp4l0-21swapper/220:00:162
134491390,4ptp4l0-21swapper/200:30:302
134491390,4ptp4l0-21swapper/122:45:011
134491390,4ptp4l0-21swapper/120:30:221
134491390,4ptp4l0-21swapper/120:30:221
134491390,4ptp4l0-21swapper/119:15:171
134491390,4ptp4l0-21swapper/119:10:261
134491390,4ptp4l0-21swapper/100:35:291
134491390,4ptp4l0-21swapper/023:05:310
134491390,4ptp4l0-21swapper/022:51:340
134491390,4ptp4l0-21swapper/022:49:020
134491390,4ptp4l0-21swapper/022:41:490
134491390,4ptp4l0-21swapper/022:23:430
134491390,4ptp4l0-21swapper/020:35:320
134491390,4ptp4l0-21swapper/019:30:120
134491390,4ptp4l0-21swapper/019:25:150
134491390,4ptp4l0-21swapper/000:06:170
134491390,4ptp4l0-21swapper/000:06:170
134491390,3ptp4l7882-21ls23:00:291
134491390,3ptp4l29844-21df_inode23:50:141
134491390,3ptp4l14852-21strings00:25:200
134491390,3ptp4l0-21swapper/222:56:072
134491390,3ptp4l0-21swapper/220:55:232
28666993834,2cyclictest41-21ksoftirqd/321:40:013
134491380,5ptp4l0-21swapper/322:36:493
134491380,5ptp4l0-21swapper/322:36:493
134491380,4ptp4l0-21swapper/322:51:463
134491380,4ptp4l0-21swapper/322:45:003
134491380,4ptp4l0-21swapper/321:46:393
134491380,4ptp4l0-21swapper/321:43:113
134491380,4ptp4l0-21swapper/321:33:303
134491380,4ptp4l0-21swapper/319:57:153
134491380,4ptp4l0-21swapper/223:00:352
134491380,4ptp4l0-21swapper/222:38:512
134491380,4ptp4l0-21swapper/222:38:512
134491380,4ptp4l0-21swapper/222:30:562
134491380,4ptp4l0-21swapper/222:30:562
134491380,4ptp4l0-21swapper/122:55:071
134491380,4ptp4l0-21swapper/021:55:370
134491380,4ptp4l0-21swapper/020:10:560
134491380,3ptp4l0-21swapper/321:22:203
134491380,3ptp4l0-21swapper/222:20:392
134491370,4ptp4l0-21swapper/322:07:523
134491370,4ptp4l0-21swapper/123:35:021
134491370,3ptp4l0-21swapper/323:09:423
134491370,3ptp4l0-21swapper/322:49:093
134491370,3ptp4l0-21swapper/322:25:153
134491360,4ptp4l0-21swapper/321:51:153
134491360,3ptp4l0-21swapper/322:59:213
134491350,3ptp4l0-21swapper/323:04:473
134491350,3ptp4l0-21swapper/322:02:393
46198340,4rtkit-daemon0-21swapper/322:17:173
276412330,3sleep0111rcuc/019:05:250
268952192,10sleep127172-21irqstats19:05:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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