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2024-02-24 - 16:31
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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 Feb 24, 2024 12:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1176911730,14ptp4l0-21swapper/307:06:503
1176911570,8ptp4l0-21swapper/107:05:091
1176911400,54ptp4l0-21swapper/007:05:020
1176911260,59ptp4l1159-21snmpd07:06:312
117691760,2ptp4l0-21swapper/312:20:233
117691760,2ptp4l0-21swapper/312:20:233
55198740,2rtkit-daemon550-21rtkit-daemon09:11:463
117691730,7ptp4l4815-21rs:main3
117691730,2ptp4l0-21swapper/209:19:032
117691720,2ptp4l0-21swapper/310:37:073
117691710,4ptp4l1159-21snmpd10:47:141
117691710,1ptp4l0-21swapper/307:30:483
23897996963,4cyclictest33-21ksoftirqd/209:00:242
117691680,8ptp4l4815-21rs:main3
117691680,5ptp4l32667-21apt-get10:55:193
117691680,4ptp4l1159-21snmpd09:31:543
117691680,3ptp4l5131-21acpi11:05:220
23897996760,4cyclictest33-21ksoftirqd/210:15:242
117691670,5ptp4l1159-21snmpd12:12:080
117691670,4ptp4l1185-21lldpd10:56:451
117691670,2ptp4l0-21swapper/208:29:562
2389699660,30cyclictest117691ptp4l11:45:351
117691660,6ptp4l216-21systemd-journal07:12:353
117691660,6ptp4l1159-21snmpd09:44:320
117691660,4ptp4l20029-21iostat11:35:313
117691660,1ptp4l0-21swapper/311:26:313
23897996558,4cyclictest33-21ksoftirqd/210:25:262
117691650,7ptp4l1159-21snmpd08:25:540
117691650,5ptp4l216-21systemd-journal09:07:173
117691650,4ptp4l216-21systemd-journal07:49:253
117691650,4ptp4l1185-21lldpd07:25:210
117691640,5ptp4l216-21systemd-journal08:59:053
117691640,5ptp4l1185-21lldpd10:10:490
117691640,4ptp4l1185-21lldpd09:52:400
117691640,2ptp4l0-21swapper/310:49:553
117691640,2ptp4l0-21swapper/007:47:010
117691640,1ptp4l0-21swapper/308:31:063
117691640,15ptp4l1159-21snmpd08:22:090
117691630,5ptp4l216-21systemd-journal11:53:433
117691630,5ptp4l0-21swapper/212:39:132
117691630,4ptp4l1159-21snmpd08:50:390
117691630,3ptp4l28482-21chrt08:27:063
117691630,1ptp4l0-21swapper/310:06:163
19302620,4sleep31932-21df_abs08:40:283
117691620,4ptp4l4815-21rs:main3
117691620,4ptp4l1185-21lldpd12:29:310
117691620,4ptp4l1185-21lldpd07:17:083
117691620,2ptp4l0-21swapper/311:55:373
117691620,2ptp4l0-21swapper/311:10:493
117691620,2ptp4l0-21swapper/310:15:433
117691620,2ptp4l0-21swapper/010:33:210
23897996153,4cyclictest33-21ksoftirqd/211:00:242
117691610,5ptp4l4815-21rs:main0
117691610,5ptp4l1185-21lldpd08:36:181
117691610,4ptp4l1185-21lldpd10:16:091
117691610,3ptp4l1185-21lldpd08:01:570
117691610,2ptp4l0-21swapper/311:17:193
117691610,2ptp4l0-21swapper/310:30:443
117691610,2ptp4l0-21swapper/307:24:263
117691610,2ptp4l0-21swapper/107:41:121
117691610,1ptp4l0-21swapper/008:39:590
117691610,16ptp4l0-21swapper/310:13:353
23897996053,3cyclictest33-21ksoftirqd/207:10:222
161442600,4sleep21159-21snmpd10:20:022
117691600,9ptp4l216-21systemd-journal10:05:232
117691600,6ptp4l1159-21snmpd07:25:021
117691600,5ptp4l1185-21lldpd12:36:591
117691600,4ptp4l1185-21lldpd11:10:300
117691600,4ptp4l1159-21snmpd10:40:590
117691600,2ptp4l0-21swapper/312:10:233
117691600,2ptp4l0-21swapper/312:02:453
117691600,2ptp4l0-21swapper/309:41:453
117691600,2ptp4l0-21swapper/309:26:193
117691600,2ptp4l0-21swapper/308:16:193
117691600,2ptp4l0-21swapper/307:59:513
117691600,2ptp4l0-21swapper/212:34:472
117691600,2ptp4l0-21swapper/212:15:282
117691590,4ptp4l216-21systemd-journal07:40:363
117691590,4ptp4l13170-21/usr/sbin/munin09:05:290
117691590,4ptp4l1185-21lldpd11:35:210
117691590,4ptp4l1159-21snmpd10:38:151
117691590,4ptp4l1159-21snmpd09:47:540
117691590,2ptp4l0-21swapper/309:00:023
117691590,2ptp4l0-21swapper/207:39:562
117691590,2ptp4l0-21swapper/108:01:571
117691590,2ptp4l0-21swapper/009:39:060
117691590,2ptp4l0-21swapper/007:24:210
117691590,15ptp4l0-21swapper/309:35:593
28632580,7sleep14815-21rs:main1
117691580,4ptp4l1159-21snmpd10:16:120
117691580,4ptp4l1159-21snmpd09:40:512
117691580,3ptp4l1185-21lldpd10:35:362
117691580,2ptp4l0-21swapper/310:42:423
117691580,2ptp4l0-21swapper/310:22:163
117691580,2ptp4l0-21swapper/309:20:453
117691580,2ptp4l0-21swapper/209:29:292
117691580,2ptp4l0-21swapper/208:50:332
117691580,2ptp4l0-21swapper/207:30:022
117691580,2ptp4l0-21swapper/207:25:022
117691580,15ptp4l1185-21lldpd08:07:110
23897995750,4cyclictest33-21ksoftirqd/208:40:242
117691570,5ptp4l4815-21rs:main2
117691570,4ptp4l216-21systemd-journal09:48:352
117691570,4ptp4l1185-21lldpd12:06:390
117691570,4ptp4l1159-21snmpd10:59:542
117691570,2ptp4l0-21swapper/310:01:463
117691570,2ptp4l0-21swapper/308:35:033
117691570,2ptp4l0-21swapper/308:13:343
117691570,2ptp4l0-21swapper/212:20:322
117691570,2ptp4l0-21swapper/212:20:312
117691570,2ptp4l0-21swapper/211:10:322
117691570,2ptp4l0-21swapper/210:00:472
117691570,2ptp4l0-21swapper/109:58:581
117691570,2ptp4l0-21swapper/107:33:531
117691570,2ptp4l0-21swapper/009:56:210
117691570,1ptp4l0-21swapper/307:35:023
117691570,16ptp4l0-21swapper/312:35:333
2389699560,3cyclictest55198rtkit-daemon11:44:431
117691560,4ptp4l11859-21latency_hist11:20:002
117691560,2ptp4l0-21swapper/211:50:572
117691560,2ptp4l0-21swapper/210:45:232
117691560,2ptp4l0-21swapper/209:54:282
23897995548,4cyclictest33-21ksoftirqd/211:20:232
23897995548,4cyclictest33-21ksoftirqd/211:20:232
117691550,5ptp4l1185-21lldpd12:33:510
117691550,5ptp4l1185-21lldpd09:14:250
117691550,5ptp4l1185-21lldpd07:35:110
117691550,4ptp4l216-21systemd-journal11:31:033
117691550,4ptp4l216-21systemd-journal08:53:313
117691550,2ptp4l0-21swapper/312:15:433
117691550,2ptp4l0-21swapper/311:23:153
117691550,2ptp4l0-21swapper/311:23:153
117691550,2ptp4l0-21swapper/210:41:252
117691550,2ptp4l0-21swapper/208:35:342
117691550,2ptp4l0-21swapper/208:32:522
117691550,2ptp4l0-21swapper/208:11:572
117691550,2ptp4l0-21swapper/208:02:362
117691550,2ptp4l0-21swapper/207:19:132
117691550,2ptp4l0-21swapper/010:51:060
117691550,2ptp4l0-21swapper/008:55:300
117691550,2ptp4l0-21swapper/008:10:310
117691550,1ptp4l0-21swapper/311:05:473
117691550,1ptp4l0-21swapper/308:46:113
117791540,14getstats23971-21/usr/sbin/munin11:45:452
117691540,5ptp4l4813-21in:imuxsock07:45:141
117691540,5ptp4l0-21swapper/309:50:433
117691540,4ptp4l216-21systemd-journal09:57:113
117691540,3ptp4l216-21systemd-journal08:20:373
117691540,2ptp4l0-21swapper/212:05:432
117691540,2ptp4l0-21swapper/211:42:242
117691540,2ptp4l0-21swapper/211:27:222
117691540,2ptp4l0-21swapper/209:59:022
117691540,2ptp4l0-21swapper/209:36:342
117691540,2ptp4l0-21swapper/209:22:252
117691540,2ptp4l0-21swapper/208:21:032
117691540,2ptp4l0-21swapper/208:15:132
117691540,2ptp4l0-21swapper/208:06:132
117691540,2ptp4l0-21swapper/207:55:022
117691540,2ptp4l0-21swapper/207:48:272
117691540,2ptp4l0-21swapper/207:23:592
117691540,2ptp4l0-21swapper/111:11:461
117691540,2ptp4l0-21swapper/108:25:181
117691540,2ptp4l0-21swapper/010:21:110
117691540,2ptp4l0-21swapper/009:23:050
2389699530,3cyclictest120091phc2sys12:01:361
117691530,4ptp4l1185-21lldpd09:16:190
117691530,4ptp4l1159-21snmpd08:17:571
117691530,3ptp4l1159-21snmpd09:42:491
117691530,3ptp4l0-21swapper/209:31:572
117691530,2ptp4l0-21swapper/308:05:233
117691530,2ptp4l0-21swapper/307:29:013
117691530,2ptp4l0-21swapper/212:00:252
117691530,2ptp4l0-21swapper/210:14:572
117691530,2ptp4l0-21swapper/207:52:222
117691530,1ptp4l0-21swapper/209:06:592
117691530,11ptp4l1185-21lldpd11:41:040
2389699521,3cyclictest120091phc2sys11:55:581
2389699521,3cyclictest117691ptp4l10:40:211
117791520,11getstats0-21swapper/211:07:062
117691520,5ptp4l1185-21lldpd10:27:590
117691520,4ptp4l1159-21snmpd08:55:222
117691520,4ptp4l1159-21snmpd07:22:361
117691520,2ptp4l0-21swapper/312:28:343
117691520,2ptp4l0-21swapper/309:15:253
117691520,2ptp4l0-21swapper/212:28:592
117691520,2ptp4l0-21swapper/212:13:182
117691520,2ptp4l0-21swapper/211:59:022
117691520,2ptp4l0-21swapper/211:35:012
117691520,2ptp4l0-21swapper/211:31:582
117691520,2ptp4l0-21swapper/207:44:352
117691520,2ptp4l0-21swapper/109:33:471
117691520,2ptp4l0-21swapper/012:37:080
117691520,2ptp4l0-21swapper/011:27:320
117691520,1ptp4l0-21swapper/312:32:043
117691520,1ptp4l0-21swapper/311:01:443
117691520,1ptp4l0-21swapper/310:50:123
2389699511,3cyclictest120091phc2sys09:23:431
117691510,4ptp4l1159-21snmpd12:31:021
117691510,2ptp4l0-21swapper/310:25:203
117691510,1ptp4l0-21swapper/209:14:092
2389699501,3cyclictest117791getstats07:58:411
2389699501,3cyclictest117691ptp4l09:13:351
2389699500,3cyclictest120091phc2sys12:29:491
117691500,2ptp4l0-21swapper/012:00:430
117691500,1ptp4l0-21swapper/210:50:162
117691500,1ptp4l0-21swapper/210:30:532
117691500,1ptp4l0-21swapper/010:37:180
2389699491,3cyclictest120091phc2sys11:17:161
2389699491,3cyclictest120091phc2sys07:35:371
2389699490,4cyclictest55198rtkit-daemon08:54:371
117691490,7ptp4l1159-21snmpd07:10:010
117691490,14ptp4l1185-21lldpd07:41:290
117691490,14ptp4l1185-21lldpd07:14:521
2389699481,4cyclictest120091phc2sys11:27:151
2389699481,3cyclictest120091phc2sys10:10:181
2389699480,3cyclictest120091phc2sys12:05:571
117691480,5ptp4l0-21swapper/307:50:403
117691480,2ptp4l0-21swapper/311:48:143
117691480,13ptp4l216-21systemd-journal08:55:361
117691480,13ptp4l1185-21lldpd12:12:431
117691480,13ptp4l1185-21lldpd11:50:381
117691480,12ptp4l1185-21lldpd09:36:321
117691480,12ptp4l1185-21lldpd08:11:541
117691480,12ptp4l1185-21lldpd07:53:291
117691480,12ptp4l1159-21snmpd07:31:120
117691480,11ptp4l0-21swapper/308:03:333
2389699472,3cyclictest120091phc2sys09:03:211
2389699471,3cyclictest120091phc2sys08:32:551
2389699470,3cyclictest120091phc2sys09:46:221
2389699470,3cyclictest117691ptp4l09:16:091
23895994736,6cyclictest9-21ksoftirqd/009:25:200
117691470,12ptp4l1185-21lldpd12:20:290
117691470,12ptp4l1185-21lldpd12:20:280
117691470,12ptp4l1185-21lldpd10:01:461
117691470,12ptp4l1159-21snmpd08:46:380
117691470,12ptp4l1159-21snmpd08:41:080
2389699461,3cyclictest117791getstats10:24:381
120091461,26phc2sys1185-21lldpd08:31:370
117691450,5ptp4l1185-21lldpd11:54:080
117691450,4ptp4l9-21ksoftirqd/010:56:440
117691450,10ptp4l0-21swapper/108:48:321
117691450,10ptp4l0-21swapper/011:15:200
117691450,10ptp4l0-21swapper/010:49:070
2389699441,3cyclictest120091phc2sys09:09:511
117691440,5ptp4l1185-21lldpd11:04:040
117691440,4ptp4l1159-21snmpd10:26:261
2389699431,7cyclictest1185-21lldpd10:34:151
2389699431,3cyclictest117791getstats10:51:101
117691430,9ptp4l0-21swapper/011:22:440
117691430,9ptp4l0-21swapper/011:22:440
117691430,7ptp4l1185-21lldpd08:23:551
117691430,6ptp4l9-21ksoftirqd/011:55:300
117691430,6ptp4l1159-21snmpd10:05:390
117691430,3ptp4l17384-21apt-get08:05:251
117691430,2ptp4l0-21swapper/007:18:240
117691420,7ptp4l4813-21in:imuxsock11:08:011
117691420,6ptp4l1185-21lldpd12:15:180
117691420,6ptp4l1185-21lldpd09:04:090
117691420,6ptp4l1185-21lldpd07:52:160
117691420,6ptp4l1159-21snmpd09:55:011
117691420,5ptp4l27120-21latency_hist09:35:000
117691420,5ptp4l1185-21lldpd11:45:530
117691420,5ptp4l1159-21snmpd11:23:051
117691420,5ptp4l1159-21snmpd11:23:051
2389699411,7cyclictest1159-21snmpd10:06:591
2389699410,3cyclictest120091phc2sys07:15:131
117691410,6ptp4l22414-21entropy08:15:260
117691410,6ptp4l1185-21lldpd08:43:311
117691410,5ptp4l1185-21lldpd11:39:541
117691410,4ptp4l9-21ksoftirqd/007:58:000
117691410,4ptp4l4813-21in:imuxsock11:30:390
117691410,4ptp4l1185-21lldpd12:15:111
2389699406,30cyclictest1159-21snmpd09:25:251
2389699400,4cyclictest8736-21grep12:20:331
2389699400,4cyclictest8736-21grep12:20:331
2389699390,4cyclictest1159-21snmpd11:30:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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