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2026-04-27 - 03:24
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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 Apr 27, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1733221530,5sleep2678299cyclictest00:10:132
1719721510,4sleep2678299cyclictest19:30:252
678299662,2cyclictest0-21swapper/221:54:092
274572640,6sleep3678399cyclictest22:10:283
134491630,4ptp4l0-21swapper/022:29:040
678199620,3cyclictest134491ptp4l23:45:181
134491620,4ptp4l0-21swapper/023:45:260
678199590,3cyclictest134491ptp4l22:45:271
134491590,4ptp4l0-21swapper/320:15:123
134491590,4ptp4l0-21swapper/222:17:042
134491590,3ptp4l17553-21ntp_states20:40:233
134491580,4ptp4l0-21swapper/300:35:073
134491580,16ptp4l20416-21timerwakeupswit21:55:283
134491570,3ptp4l28489-21df_abs23:25:160
134491570,3ptp4l0-21swapper/319:55:433
134491570,3ptp4l0-21swapper/319:43:083
134491560,4ptp4l0-21swapper/319:26:073
134491560,4ptp4l0-21swapper/100:22:471
134491560,4ptp4l0-21swapper/020:59:070
134491560,3ptp4l0-21swapper/300:20:193
134491560,3ptp4l0-21swapper/022:53:390
134491560,2ptp4l121rcu_preempt23:21:503
134491550,4ptp4l0-21swapper/320:20:123
134491550,4ptp4l0-21swapper/319:45:383
134491550,4ptp4l0-21swapper/119:09:471
134491550,4ptp4l0-21swapper/119:09:471
134491550,4ptp4l0-21swapper/019:30:330
134491550,4ptp4l0-21swapper/000:23:560
134491550,13ptp4l0-21swapper/223:35:372
134491540,4ptp4l0-21swapper/300:14:293
134491540,4ptp4l0-21swapper/023:42:390
134491540,4ptp4l0-21swapper/020:51:330
134491540,4ptp4l0-21swapper/020:34:070
134491540,4ptp4l0-21swapper/020:06:180
134491540,4ptp4l0-21swapper/019:57:510
134491540,4ptp4l0-21swapper/019:40:080
134491540,4ptp4l0-21swapper/000:29:190
134491540,4ptp4l0-21swapper/000:29:190
134491540,4ptp4l0-21swapper/000:10:320
678199537,44cyclictest19985-21kworker/1:120:53:491
46198530,10rtkit-daemon0-21swapper/320:11:263
134491530,7ptp4l5703-21ps19:05:250
134491530,7ptp4l5703-21ps19:05:250
134491530,4ptp4l0-21swapper/023:24:390
134491520,4ptp4l0-21swapper/323:14:373
134491520,4ptp4l0-21swapper/100:14:471
134491520,4ptp4l0-21swapper/023:02:090
134491520,4ptp4l0-21swapper/022:19:460
134491520,4ptp4l0-21swapper/000:02:140
134491520,3ptp4l0-21swapper/320:00:383
134491520,21ptp4l9-21ksoftirqd/019:20:210
6781995112,37cyclictest19985-21kworker/1:121:40:281
213022510,4sleep00-21swapper/022:00:140
134491510,4ptp4l0-21swapper/120:28:221
134491510,4ptp4l0-21swapper/020:18:510
134491510,4ptp4l0-21swapper/019:48:110
134491510,4ptp4l0-21swapper/019:16:170
134491510,3ptp4l0-21swapper/022:35:320
134491510,1ptp4l0-21swapper/221:08:582
134491500,4ptp4l0-21swapper/322:23:123
134491500,4ptp4l0-21swapper/300:06:373
134491500,4ptp4l0-21swapper/021:52:160
134491500,4ptp4l0-21swapper/020:21:160
134491490,4ptp4l0-21swapper/322:00:193
134491490,4ptp4l0-21swapper/021:30:010
134491490,4ptp4l0-21swapper/021:30:010
134491490,4ptp4l0-21swapper/021:07:320
134491490,4ptp4l0-21swapper/000:39:070
134491490,3ptp4l0-21swapper/220:10:162
134491490,2ptp4l0-21swapper/222:50:382
134491480,4ptp4l0-21swapper/321:35:333
134491480,4ptp4l0-21swapper/219:52:172
134491480,4ptp4l0-21swapper/219:52:172
134491480,4ptp4l0-21swapper/219:05:172
134491480,4ptp4l0-21swapper/219:05:172
134491480,4ptp4l0-21swapper/100:02:161
134491480,4ptp4l0-21swapper/022:14:160
134491480,4ptp4l0-21swapper/021:39:460
134491480,3ptp4l0-21swapper/323:35:403
46198470,2rtkit-daemon0-21swapper/219:36:372
134491470,4ptp4l0-21swapper/120:59:331
134491470,4ptp4l0-21swapper/120:07:021
134491470,4ptp4l0-21swapper/021:01:430
134491470,4ptp4l0-21swapper/020:36:350
134491470,4ptp4l0-21swapper/020:04:590
134491470,4ptp4l0-21swapper/019:10:110
6782994641,3cyclictest23770-21idleruntime-cro00:25:002
678199460,19cyclictest134491ptp4l22:50:271
134491460,5ptp4l0-21swapper/022:30:120
134491460,4ptp4l0-21swapper/123:36:001
134491460,3ptp4l0-21swapper/021:20:140
134491460,10ptp4l0-21swapper/221:30:262
134491460,10ptp4l0-21swapper/221:30:262
134691450,10getstats0-21swapper/321:27:333
134491450,8ptp4l0-21swapper/319:05:133
134491450,8ptp4l0-21swapper/319:05:133
134491450,4ptp4l0-21swapper/320:56:383
134491450,4ptp4l0-21swapper/123:16:111
134491450,4ptp4l0-21swapper/023:11:580
134491450,4ptp4l0-21swapper/000:17:030
134491450,3ptp4l0-21swapper/320:26:223
134491450,3ptp4l0-21swapper/123:05:431
134491450,3ptp4l0-21swapper/122:33:591
134491450,3ptp4l0-21swapper/119:57:131
134491440,4ptp4l2318-21gnome-shell23:20:592
134491440,4ptp4l0-21swapper/300:32:013
134491440,4ptp4l0-21swapper/123:43:181
134491440,4ptp4l0-21swapper/123:14:171
134491440,3ptp4l0-21swapper/122:25:351
134491440,3ptp4l0-21swapper/121:09:041
134491440,3ptp4l0-21swapper/023:56:250
134491440,3ptp4l0-21swapper/023:53:400
134491440,3ptp4l0-21swapper/023:30:100
678199430,40cyclictest1317-21runrttasks20:43:081
134491430,9ptp4l0-21swapper/223:05:122
134491430,9ptp4l0-21swapper/122:10:561
134491430,8ptp4l0-21swapper/221:42:432
134491430,5ptp4l0-21swapper/019:25:130
134491430,3ptp4l321ktimersoftd/223:00:402
134491430,3ptp4l0-21swapper/220:57:462
134491430,10ptp4l0-21swapper/223:19:072
134491430,10ptp4l0-21swapper/221:57:252
6783994232,8cyclictest41-21ksoftirqd/322:29:493
134691420,11getstats0-21swapper/300:03:553
134691420,10getstats0-21swapper/323:55:333
134691420,10getstats0-21swapper/323:28:533
134691420,10getstats0-21swapper/322:57:453
134691420,10getstats0-21swapper/321:21:373
134691420,10getstats0-21swapper/320:37:103
134491420,5ptp4l0-21swapper/319:50:143
134491420,5ptp4l0-21swapper/319:50:143
134491420,5ptp4l0-21swapper/023:35:200
134491420,5ptp4l0-21swapper/019:35:230
134491420,4ptp4l27976-21users00:30:290
134491420,4ptp4l0-21swapper/322:05:523
134491420,4ptp4l0-21swapper/122:55:211
134491420,3ptp4l31521-21ls21:10:201
134491420,3ptp4l0-21swapper/123:30:241
134491420,3ptp4l0-21swapper/022:08:170
134491420,3ptp4l0-21swapper/021:29:260
678199411,3cyclictest137891phc2sys00:05:151
134691410,10getstats0-21swapper/323:40:013
134691410,10getstats0-21swapper/323:04:143
134691410,10getstats0-21swapper/322:41:193
134691410,10getstats0-21swapper/321:52:573
134691410,10getstats0-21swapper/321:46:113
134691410,10getstats0-21swapper/320:47:493
134691410,10getstats0-21swapper/319:32:483
134691410,10getstats0-21swapper/300:26:323
134691410,10getstats0-21swapper/300:26:323
134491410,5ptp4l15936-21sensors_temp00:05:240
134491410,5ptp4l0-21swapper/022:55:280
134491410,4ptp4l6811-21apt-get19:10:113
134491410,4ptp4l6190-21ntp_states21:25:241
134491410,4ptp4l2782-21apt-get21:20:141
134491410,4ptp4l26001-21iostat19:50:190
134491410,4ptp4l26001-21iostat19:50:180
134491410,4ptp4l0-21swapper/321:10:143
134491410,4ptp4l0-21swapper/321:04:463
134491410,4ptp4l0-21swapper/222:10:112
134491410,3ptp4l25964-21apt-get23:20:141
134491410,3ptp4l25855-21apt-get21:00:131
134491410,3ptp4l14289-21apt-get21:45:132
678199400,3cyclictest134491ptp4l19:51:021
678199400,3cyclictest134491ptp4l19:51:021
134691400,9getstats0-21swapper/323:31:013
134691400,10getstats0-21swapper/323:09:393
134691400,10getstats0-21swapper/321:32:383
134691400,10getstats0-21swapper/321:32:383
134491400,5ptp4l28733-21irqrtprio21:05:183
134491400,5ptp4l0-21swapper/300:15:133
134491400,5ptp4l0-21swapper/222:45:162
134491400,5ptp4l0-21swapper/122:00:151
134491400,5ptp4l0-21swapper/119:25:181
134491400,5ptp4l0-21swapper/119:20:121
134491400,5ptp4l0-21swapper/119:15:291
134491400,5ptp4l0-21swapper/021:45:190
134491400,4ptp4l5077-21apt-get21:25:112
134491400,4ptp4l24611-21ntp_states22:05:231
134491400,4ptp4l22358-21ntp_states20:50:253
134491400,4ptp4l21063-21users00:15:291
134491400,4ptp4l0-21swapper/323:15:233
134491400,4ptp4l0-21swapper/319:35:143
134491400,4ptp4l0-21swapper/123:59:381
134491400,4ptp4l0-21swapper/120:35:261
134491400,4ptp4l0-21swapper/120:00:211
134491400,4ptp4l0-21swapper/022:45:200
134491400,4ptp4l0-21swapper/022:40:180
134491400,4ptp4l0-21swapper/020:49:170
134491400,4ptp4l0-21swapper/020:44:150
134491400,4ptp4l0-21swapper/020:25:230
134491400,3ptp4l259282chrt00:28:312
134491400,3ptp4l259282chrt00:28:312
134491400,3ptp4l24437-21ls22:05:212
134491400,3ptp4l22768-21ls22:00:282
134491400,3ptp4l19186-21df_inode21:55:160
134491400,3ptp4l10696-21ls21:35:211
134491400,3ptp4l0-21swapper/320:32:363
134491400,3ptp4l0-21swapper/121:53:251
134491400,3ptp4l0-21swapper/023:07:470
134491400,2ptp4l0-21swapper/220:21:342
6782993933,4cyclictest33-21ksoftirqd/221:17:232
6781993932,4cyclictest25-21ksoftirqd/119:10:171
678199390,4cyclictest27419-21ntp_states00:30:241
134491390,8ptp4l0-21swapper/222:43:532
134491390,8ptp4l0-21swapper/219:19:122
134491390,7ptp4l0-21swapper/219:23:252
134491390,5ptp4l0-21swapper/319:22:523
134491390,5ptp4l0-21swapper/221:35:122
134491390,5ptp4l0-21swapper/220:25:212
134491390,5ptp4l0-21swapper/100:35:301
134491390,4ptp4l7404-21perl20:20:171
134491390,4ptp4l2076-21unixbench_singl21:15:303
134491390,4ptp4l0-21swapper/323:50:263
134491390,4ptp4l0-21swapper/223:45:082
134491390,4ptp4l0-21swapper/223:27:042
134491390,4ptp4l0-21swapper/223:10:362
134491390,4ptp4l0-21swapper/222:36:312
134491390,4ptp4l0-21swapper/222:23:202
134491390,4ptp4l0-21swapper/221:21:332
134491390,4ptp4l0-21swapper/220:52:142
134491390,4ptp4l0-21swapper/220:45:142
134491390,4ptp4l0-21swapper/220:41:062
134491390,4ptp4l0-21swapper/200:06:162
134491390,4ptp4l0-21swapper/200:00:462
134491390,4ptp4l0-21swapper/123:25:171
134491390,4ptp4l0-21swapper/122:40:261
134491390,4ptp4l0-21swapper/122:17:511
134491390,4ptp4l0-21swapper/121:56:381
134491390,4ptp4l0-21swapper/120:45:301
134491390,4ptp4l0-21swapper/119:45:231
134491390,4ptp4l0-21swapper/023:17:440
134491390,4ptp4l0-21swapper/022:24:100
134491390,4ptp4l0-21swapper/021:41:210
134491390,4ptp4l0-21swapper/021:15:590
134491390,4ptp4l0-21swapper/021:11:070
134491390,3ptp4l4654-21apt-get20:15:122
134491390,3ptp4l31583-21ntp_states22:20:241
134491390,3ptp4l26969-21ntp_states21:00:232
134491390,3ptp4l2654-21df_inode20:10:140
134491390,3ptp4l17177-21hddtemp_smartct23:00:151
134491390,3ptp4l15966-21apt-config20:37:452
134491390,3ptp4l0-21swapper/200:30:272
134491390,10ptp4l1301-21snmpd00:37:432
134491380,4ptp4l9011-21awk21:30:291
134491380,4ptp4l9011-21awk21:30:291
134491380,4ptp4l25-21ksoftirqd/119:40:341
134491380,4ptp4l0-21swapper/323:45:013
134491380,4ptp4l0-21swapper/322:50:273
134491380,4ptp4l0-21swapper/322:46:283
134491380,4ptp4l0-21swapper/322:15:183
134491380,4ptp4l0-21swapper/321:40:063
134491380,4ptp4l0-21swapper/320:05:123
134491380,4ptp4l0-21swapper/319:15:213
134491380,4ptp4l0-21swapper/223:56:322
134491380,4ptp4l0-21swapper/223:51:152
134491380,4ptp4l0-21swapper/223:44:472
134491380,4ptp4l0-21swapper/223:33:372
134491380,4ptp4l0-21swapper/222:56:252
134491380,4ptp4l0-21swapper/221:10:212
134491380,4ptp4l0-21swapper/220:31:342
134491380,4ptp4l0-21swapper/219:45:202
134491380,4ptp4l0-21swapper/219:40:102
134491380,4ptp4l0-21swapper/219:10:222
134491380,4ptp4l0-21swapper/200:15:232
134491380,4ptp4l0-21swapper/123:51:361
134491380,4ptp4l0-21swapper/122:36:091
134491380,4ptp4l0-21swapper/121:45:241
134491380,4ptp4l0-21swapper/121:15:011
134491380,4ptp4l0-21swapper/120:32:461
134491380,4ptp4l0-21swapper/119:30:221
134491380,4ptp4l0-21swapper/100:25:171
134491380,4ptp4l0-21swapper/100:25:171
134491380,3ptp4l31667-21ls20:00:262
134491370,4ptp4l0-21swapper/222:31:262
134491370,4ptp4l0-21swapper/222:28:112
134491370,4ptp4l0-21swapper/220:05:242
134491370,4ptp4l0-21swapper/219:25:292
134491370,4ptp4l0-21swapper/120:15:371
134491370,4ptp4l0-21swapper/119:37:161
134491360,3ptp4l3613-21/usr/sbin/munin20:10:251
134491360,3ptp4l0-21swapper/322:36:583
134491360,3ptp4l0-21swapper/219:55:262
134491330,3ptp4l0-21swapper/322:34:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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