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2023-12-01 - 05:08
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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 Nov 30, 2023 12:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1176911850,20ptp4l1142-21runrttasks07:07:590
1176911540,15ptp4l4813-21in:imuxsock07:06:291
1176911410,11ptp4l0-21swapper/307:09:033
1423421190,8sleep01593199cyclictest09:55:210
1176911170,19ptp4l216-21systemd-journal07:09:212
48232810,6sleep00-21swapper/009:30:360
6012740,2sleep20-21swapper/210:35:282
117691690,4ptp4l1159-21snmpd12:07:063
117691690,4ptp4l1159-21snmpd12:07:063
117691680,5ptp4l1159-21snmpd09:58:043
117691680,1ptp4l0-21swapper/307:52:103
117691680,15ptp4l1185-21lldpd07:15:471
117691680,15ptp4l1185-21lldpd07:15:471
117691670,3ptp4l25994-21apt-get09:05:213
117691670,2ptp4l0-21swapper/311:30:413
117691660,4ptp4l1185-21lldpd08:32:390
117691660,2ptp4l0-21swapper/308:47:003
117691660,23ptp4l1159-21snmpd08:34:073
117691650,6ptp4l1159-21snmpd10:10:440
117691650,5ptp4l1159-21snmpd11:11:270
117691650,4ptp4l1159-21snmpd10:37:020
117691650,4ptp4l1159-21snmpd08:57:393
117691650,3ptp4l1185-21lldpd10:17:310
117691650,2ptp4l0-21swapper/312:12:573
117691650,2ptp4l0-21swapper/307:36:223
117691640,5ptp4l1185-21lldpd07:59:003
117691640,3ptp4l7162-21apt-get10:50:203
117691640,2ptp4l0-21swapper/311:05:433
117691640,2ptp4l0-21swapper/310:35:453
117691640,2ptp4l0-21swapper/309:27:203
117691640,2ptp4l0-21swapper/011:29:480
117691630,7ptp4l41-21ksoftirqd/310:34:493
117691630,5ptp4l4813-21in:imuxsock09:56:491
117691630,5ptp4l1185-21lldpd10:47:553
117691630,5ptp4l1185-21lldpd09:49:133
117691630,4ptp4l1159-21snmpd07:41:213
117691630,3ptp4l1185-21lldpd11:53:443
117691630,2ptp4l0-21swapper/309:03:583
117691630,15ptp4l1185-21lldpd09:03:270
117691620,2ptp4l0-21swapper/311:45:573
117691620,2ptp4l0-21swapper/311:35:353
117691620,2ptp4l0-21swapper/310:00:573
117691620,2ptp4l0-21swapper/307:49:123
117691620,2ptp4l0-21swapper/307:16:453
117691620,2ptp4l0-21swapper/307:16:453
117691620,2ptp4l0-21swapper/012:04:160
117691610,5ptp4l1185-21lldpd07:12:131
117691610,4ptp4l1185-21lldpd11:59:263
117691610,2ptp4l0-21swapper/308:22:553
117691610,2ptp4l0-21swapper/108:53:471
117691610,2ptp4l0-21swapper/012:19:430
117691600,7ptp4l13571-21apt-get12:20:211
117691600,4ptp4l1185-21lldpd11:59:160
117691600,4ptp4l1159-21snmpd08:14:153
117691600,4ptp4l1159-21snmpd08:14:143
117691600,2ptp4l0-21swapper/311:18:123
117691600,2ptp4l0-21swapper/308:06:473
117691600,2ptp4l0-21swapper/212:17:472
117691600,2ptp4l0-21swapper/211:42:412
117691600,17ptp4l0-21swapper/310:23:373
117691590,5ptp4l1185-21lldpd08:39:080
117691590,4ptp4l1185-21lldpd12:04:581
117691590,3ptp4l25-21ksoftirqd/112:17:461
117691590,2ptp4l0-21swapper/312:39:563
117691590,2ptp4l0-21swapper/312:30:213
117691590,2ptp4l0-21swapper/312:00:233
117691590,2ptp4l0-21swapper/309:50:093
117691590,2ptp4l0-21swapper/212:04:162
117691590,2ptp4l0-21swapper/012:24:590
117691590,1ptp4l0-21swapper/310:29:163
117691590,1ptp4l0-21swapper/309:23:303
217542580,8sleep31593699cyclictest10:10:383
15935995824,10cyclictest33-21ksoftirqd/210:00:252
117691580,4ptp4l17607-21meminfo08:45:320
117691580,4ptp4l1185-21lldpd08:49:551
117691580,3ptp4l121rcu_preempt08:00:581
117691580,3ptp4l1185-21lldpd10:59:401
117691580,2ptp4l0-21swapper/310:58:073
117691580,2ptp4l0-21swapper/310:40:553
117691580,2ptp4l0-21swapper/110:19:211
117691580,2ptp4l0-21swapper/108:31:431
117691580,2ptp4l0-21swapper/011:46:090
117691580,1ptp4l0-21swapper/308:51:533
117691580,1ptp4l0-21swapper/308:35:323
117691580,1ptp4l0-21swapper/107:29:201
117691580,16ptp4l0-21swapper/312:27:273
15935995726,5cyclictest33-21ksoftirqd/212:27:252
117691570,4ptp4l25-21ksoftirqd/108:22:011
117691570,2ptp4l0-21swapper/309:13:563
117691570,2ptp4l0-21swapper/309:13:563
117691570,2ptp4l0-21swapper/212:35:442
117691570,2ptp4l0-21swapper/007:23:400
117691570,1ptp4l0-21swapper/311:01:393
117691570,1ptp4l0-21swapper/307:21:423
117691570,16ptp4l0-21swapper/312:22:373
117691570,16ptp4l0-21swapper/308:19:103
117691560,5ptp4l4813-21in:imuxsock08:17:132
117691560,5ptp4l1159-21snmpd11:24:553
117691560,5ptp4l1159-21snmpd10:57:440
117691560,4ptp4l1185-21lldpd08:27:542
117691560,2ptp4l0-21swapper/307:34:263
117691560,2ptp4l0-21swapper/210:08:002
117691560,2ptp4l0-21swapper/207:33:422
117691560,2ptp4l0-21swapper/109:42:351
117691560,2ptp4l0-21swapper/012:26:110
117691560,2ptp4l0-21swapper/007:37:010
117691560,2ptp4l0-21swapper/007:32:140
117691560,1ptp4l0-21swapper/311:40:243
15935995549,3cyclictest321ktimersoftd/209:00:232
15935995524,5cyclictest33-21ksoftirqd/208:40:242
15935995522,11cyclictest33-21ksoftirqd/209:10:312
15935995522,11cyclictest33-21ksoftirqd/209:10:302
117691550,5ptp4l13796-21smartctl11:05:320
117691550,3ptp4l1159-21snmpd10:48:240
117691550,3ptp4l0-21swapper/208:33:542
117691550,2ptp4l0-21swapper/211:47:052
117691550,2ptp4l0-21swapper/211:30:342
117691550,2ptp4l0-21swapper/211:04:162
117691550,2ptp4l0-21swapper/210:43:142
117691550,2ptp4l0-21swapper/210:22:242
117691550,2ptp4l0-21swapper/209:29:142
117691550,2ptp4l0-21swapper/208:53:132
117691550,2ptp4l0-21swapper/208:09:552
117691550,2ptp4l0-21swapper/208:03:142
117691550,2ptp4l0-21swapper/207:28:322
117691550,2ptp4l0-21swapper/207:22:392
117691550,2ptp4l0-21swapper/207:14:512
117691550,2ptp4l0-21swapper/011:15:440
117691550,2ptp4l0-21swapper/009:53:300
117691550,2ptp4l0-21swapper/009:24:570
15935995425,9cyclictest33-21ksoftirqd/209:51:122
15935995425,10cyclictest33-21ksoftirqd/209:24:512
15935995423,6cyclictest33-21ksoftirqd/211:37:092
15935995423,5cyclictest33-21ksoftirqd/207:55:492
117691540,3ptp4l1159-21snmpd11:13:203
117691540,2ptp4l0-21swapper/212:22:132
117691540,2ptp4l0-21swapper/212:13:112
117691540,2ptp4l0-21swapper/211:22:012
117691540,2ptp4l0-21swapper/210:31:542
117691540,2ptp4l0-21swapper/209:36:282
117691540,2ptp4l0-21swapper/208:37:532
117691540,2ptp4l0-21swapper/207:37:452
117691540,2ptp4l0-21swapper/109:37:511
117691540,2ptp4l0-21swapper/008:50:250
117691540,2ptp4l0-21swapper/007:49:410
117691540,1ptp4l0-21swapper/308:03:573
1593599536,9cyclictest33-21ksoftirqd/211:55:452
15935995324,9cyclictest33-21ksoftirqd/210:15:342
117691530,3ptp4l0-21swapper/208:24:592
117691530,2ptp4l0-21swapper/307:26:263
117691530,2ptp4l0-21swapper/211:10:392
117691530,2ptp4l0-21swapper/208:14:132
117691530,2ptp4l0-21swapper/208:14:122
117691530,2ptp4l0-21swapper/011:51:450
117691530,2ptp4l0-21swapper/010:08:540
117691530,2ptp4l0-21swapper/009:15:100
117691530,2ptp4l0-21swapper/009:13:190
117691530,2ptp4l0-21swapper/009:13:190
117691530,16ptp4l41-21ksoftirqd/308:28:543
1593599526,10cyclictest33-21ksoftirqd/211:50:332
15935995224,8cyclictest33-21ksoftirqd/207:41:272
15935995222,9cyclictest33-21ksoftirqd/210:45:262
15935995222,5cyclictest33-21ksoftirqd/209:18:102
117691520,5ptp4l4815-21rs:main3
117691520,2ptp4l0-21swapper/310:08:453
117691520,2ptp4l0-21swapper/210:58:542
117691520,2ptp4l0-21swapper/208:50:002
117691520,2ptp4l0-21swapper/007:56:110
117691520,1ptp4l0-21swapper/309:34:023
117691520,1ptp4l0-21swapper/307:10:433
117691520,1ptp4l0-21swapper/108:37:241
117691520,1ptp4l0-21swapper/008:43:050
117691520,14ptp4l9-21ksoftirqd/007:51:110
15935995123,9cyclictest33-21ksoftirqd/210:25:192
117691510,2ptp4l0-21swapper/311:29:033
117691510,2ptp4l0-21swapper/211:15:062
117691510,2ptp4l0-21swapper/210:50:522
117691510,2ptp4l0-21swapper/209:07:102
117691510,2ptp4l0-21swapper/208:59:032
117691510,2ptp4l0-21swapper/207:50:102
117691510,2ptp4l0-21swapper/012:14:240
117691510,1ptp4l0-21swapper/212:31:112
117691510,1ptp4l0-21swapper/211:07:272
117691510,1ptp4l0-21swapper/110:41:571
1593599507,9cyclictest33-21ksoftirqd/207:45:242
1593599506,7cyclictest33-21ksoftirqd/209:40:352
117691500,8ptp4l101ktimersoftd/009:07:410
117691500,5ptp4l0-21swapper/008:56:190
117691500,2ptp4l0-21swapper/211:28:062
117691500,2ptp4l0-21swapper/012:32:560
117691500,2ptp4l0-21swapper/010:01:480
117691500,14ptp4l9-21ksoftirqd/010:42:520
1593599497,7cyclictest33-21ksoftirqd/209:30:282
1593599493,9cyclictest15753-21idleruntime-cro10:00:002
117691490,8ptp4l241ktimersoftd/108:58:381
117691490,8ptp4l0-21swapper/008:20:440
117691490,4ptp4l1185-21lldpd11:00:400
117691490,4ptp4l101ktimersoftd/009:35:580
117691490,2ptp4l0-21swapper/209:47:102
117691490,1ptp4l0-21swapper/312:18:273
117691490,13ptp4l4815-21rs:main2
117691490,13ptp4l4815-21rs:main2
117691490,13ptp4l20753-21cpu12:35:240
117691490,13ptp4l1185-21lldpd07:15:370
117691490,13ptp4l1185-21lldpd07:15:370
1593599485,6cyclictest33-21ksoftirqd/212:09:322
1593599485,6cyclictest33-21ksoftirqd/212:09:312
117691480,1ptp4l0-21swapper/008:28:440
117691480,12ptp4l1185-21lldpd11:41:040
117691480,12ptp4l1159-21snmpd07:26:230
117691480,12ptp4l0-21swapper/010:30:120
117691480,11ptp4l1159-21snmpd07:14:240
117691480,10ptp4l0-21swapper/310:19:493
117691470,4ptp4l241ktimersoftd/112:28:111
117691470,13ptp4l25-21ksoftirqd/108:43:391
117691470,12ptp4l1185-21lldpd09:27:450
117691470,12ptp4l1185-21lldpd08:16:080
117691470,12ptp4l1185-21lldpd08:13:580
117691470,12ptp4l1185-21lldpd08:13:570
117691470,11ptp4l0-21swapper/107:42:221
117691470,10ptp4l0-21swapper/010:52:510
1593599466,7cyclictest33-21ksoftirqd/210:10:232
117691460,9ptp4l0-21swapper/011:31:290
117691460,6ptp4l27826-21/usr/sbin/munin10:25:340
117691460,6ptp4l216-21systemd-journal08:09:580
117691460,5ptp4l0-21swapper/308:43:093
117691460,4ptp4l1185-21lldpd11:36:210
117691450,15ptp4l25-21ksoftirqd/110:46:561
117691440,9ptp4l0-21swapper/011:20:070
117691440,9ptp4l0-21swapper/009:42:220
117691440,9ptp4l0-21swapper/008:02:120
117691440,8ptp4l1159-21snmpd09:44:433
117691440,5ptp4l1185-21lldpd11:05:351
117691440,10ptp4l0-21swapper/007:43:460
117691430,8ptp4l1185-21lldpd12:09:300
117691430,8ptp4l1185-21lldpd12:09:300
117691430,5ptp4l25-21ksoftirqd/112:14:531
117691430,4ptp4l1185-21lldpd09:49:470
117691430,2ptp4l0-21swapper/109:04:521
1593299426,7cyclictest121rcu_preempt11:54:331
117691420,8ptp4l1159-21snmpd11:28:161
117691420,8ptp4l1159-21snmpd10:51:541
117691420,7ptp4l1159-21snmpd08:16:121
117691420,6ptp4l25504-21/usr/sbin/munin10:20:390
117691420,6ptp4l1185-21lldpd11:59:431
117691420,6ptp4l1185-21lldpd10:35:421
117691420,4ptp4l19231-21irqstats12:30:301
117691420,2ptp4l0-21swapper/111:20:211
117691410,7ptp4l216-21systemd-journal07:39:531
117691410,7ptp4l1159-21snmpd10:01:001
117691410,6ptp4l18885-21grep10:05:261
117691410,6ptp4l1185-21lldpd09:28:411
117691410,6ptp4l1185-21lldpd09:18:261
117691410,6ptp4l1185-21lldpd07:49:451
117691410,5ptp4l216-21systemd-journal09:30:421
117691410,5ptp4l1185-21lldpd11:30:401
117691410,5ptp4l1185-21lldpd08:14:341
117691410,5ptp4l1185-21lldpd08:14:341
117691410,5ptp4l1159-21snmpd09:12:321
117691410,5ptp4l1159-21snmpd09:12:311
117691410,4ptp4l15473-21iostat_ios11:10:311
117691410,2ptp4l0-21swapper/111:40:331
117691410,2ptp4l0-21swapper/110:33:021
117691410,2ptp4l0-21swapper/110:27:101
117691400,7ptp4l1185-21lldpd09:45:531
117691400,6ptp4l1159-21snmpd07:30:111
117691400,5ptp4l4815-21rs:main1
117691400,5ptp4l4815-21rs:main1
117691400,5ptp4l31214-21if_enp1s009:15:273
117691400,5ptp4l1185-21lldpd12:35:441
117691400,5ptp4l1185-21lldpd11:46:431
117691400,5ptp4l1185-21lldpd11:35:431
117691400,5ptp4l1185-21lldpd11:19:001
117691400,5ptp4l1185-21lldpd11:00:411
117691400,5ptp4l1185-21lldpd10:23:121
117691400,5ptp4l1185-21lldpd10:11:281
117691400,5ptp4l1185-21lldpd09:07:461
117691400,5ptp4l1185-21lldpd07:59:511
117691400,5ptp4l1185-21lldpd07:50:211
117691400,5ptp4l1159-21snmpd07:21:271
117691400,4ptp4l31872-21apt-config08:05:011
117691390,4ptp4l1185-21lldpd09:23:071
117691390,4ptp4l1185-21lldpd08:26:191
117691380,3ptp4l1185-21lldpd09:52:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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