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2024-11-22 - 04:23
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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 376 highest latencies:
System rackdslot1.osadl.org (updated Fri Nov 22, 2024 00:46:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1166911960,12ptp4l33-21ksoftirqd/219:09:532
1166911960,12ptp4l33-21ksoftirqd/219:09:532
2414421770,8sleep3655299cyclictest23:15:153
1166911590,14ptp4l0-21swapper/019:07:480
1166911590,14ptp4l0-21swapper/019:07:470
1166911550,60ptp4l0-21swapper/119:06:381
1166911550,60ptp4l0-21swapper/119:06:381
1166911120,12ptp4l41-21ksoftirqd/319:05:323
1166911120,12ptp4l41-21ksoftirqd/319:05:313
1166911030,9ptp4l0-21swapper/119:10:011
1166911030,9ptp4l0-21swapper/119:10:001
65529910288,8cyclictest41-21ksoftirqd/322:25:113
65529910187,8cyclictest41-21ksoftirqd/320:30:123
65529910186,9cyclictest41-21ksoftirqd/322:10:153
65529910186,9cyclictest41-21ksoftirqd/322:10:143
1166911010,8ptp4l0-21swapper/019:10:010
1166911010,8ptp4l0-21swapper/019:10:010
6552999986,8cyclictest41-21ksoftirqd/320:45:113
6552999985,8cyclictest41-21ksoftirqd/322:30:163
6552999985,8cyclictest41-21ksoftirqd/321:05:133
6552999885,7cyclictest41-21ksoftirqd/321:50:153
6552999784,7cyclictest41-21ksoftirqd/321:30:183
6552999783,8cyclictest41-21ksoftirqd/319:15:123
6552999683,6cyclictest41-21ksoftirqd/323:50:093
6552999278,8cyclictest41-21ksoftirqd/319:30:113
6552999179,7cyclictest41-21ksoftirqd/323:00:113
6552999077,6cyclictest41-21ksoftirqd/319:45:143
6552998068,7cyclictest41-21ksoftirqd/320:50:133
6552997948,6cyclictest41-21ksoftirqd/319:10:283
6552997948,6cyclictest41-21ksoftirqd/319:10:283
6552997928,4cyclictest41-21ksoftirqd/322:42:023
6552997926,5cyclictest41-21ksoftirqd/322:48:243
6552997639,4cyclictest41-21ksoftirqd/320:15:163
6552997526,10cyclictest41-21ksoftirqd/322:36:323
6552997520,9cyclictest41-21ksoftirqd/300:36:393
6552997463,7cyclictest41-21ksoftirqd/323:55:123
6552997436,9cyclictest41-21ksoftirqd/321:45:283
6552997432,8cyclictest41-21ksoftirqd/322:15:173
6550997464,5cyclictest25-21ksoftirqd/120:00:131
6552997339,7cyclictest41-21ksoftirqd/323:05:293
6552997237,7cyclictest41-21ksoftirqd/300:20:323
6552997236,7cyclictest41-21ksoftirqd/323:34:593
6552997224,11cyclictest41-21ksoftirqd/321:12:053
6550997265,5cyclictest25-21ksoftirqd/122:35:121
6552997120,9cyclictest41-21ksoftirqd/321:58:113
6552997039,7cyclictest41-21ksoftirqd/321:35:253
6552997025,10cyclictest41-21ksoftirqd/320:12:093
6552996960,5cyclictest41-21ksoftirqd/322:55:103
6552996936,7cyclictest41-21ksoftirqd/323:25:293
6552996933,5cyclictest41-21ksoftirqd/322:00:323
6552996927,9cyclictest41-21ksoftirqd/319:40:013
6552996926,8cyclictest41-21ksoftirqd/320:55:163
6552996922,10cyclictest41-21ksoftirqd/319:44:023
291102690,2sleep00-21swapper/000:35:280
116691690,15ptp4l0-21swapper/120:45:571
6552996833,7cyclictest41-21ksoftirqd/300:30:263
6552996832,8cyclictest41-21ksoftirqd/323:40:293
6552996832,8cyclictest41-21ksoftirqd/323:40:283
6552996830,9cyclictest41-21ksoftirqd/321:40:203
6552996824,8cyclictest41-21ksoftirqd/323:20:213
6552996824,10cyclictest41-21ksoftirqd/323:38:223
6552996824,10cyclictest41-21ksoftirqd/323:38:223
6552996730,5cyclictest41-21ksoftirqd/323:46:153
6552996724,10cyclictest41-21ksoftirqd/322:06:133
6552996654,4cyclictest41-21ksoftirqd/319:20:273
6552996633,7cyclictest41-21ksoftirqd/300:25:143
6552996632,7cyclictest41-21ksoftirqd/319:25:253
6552996626,8cyclictest41-21ksoftirqd/321:28:143
6552996531,6cyclictest41-21ksoftirqd/321:20:173
6550996558,4cyclictest25-21ksoftirqd/100:00:111
6552996425,5cyclictest41-21ksoftirqd/322:50:163
293432640,4sleep129347-21kernelversion23:25:201
6552996324,9cyclictest41-21ksoftirqd/320:40:103
6552996324,9cyclictest41-21ksoftirqd/320:40:093
6552996324,5cyclictest41-21ksoftirqd/321:15:143
6552996322,8cyclictest41-21ksoftirqd/320:06:473
129452630,5sleep012949-21timerwakeupswit20:30:290
116691630,2ptp4l0-21swapper/000:17:060
655299627,4cyclictest41-21ksoftirqd/323:10:143
6552996248,4cyclictest41-21ksoftirqd/319:50:293
6552996224,4cyclictest41-21ksoftirqd/300:08:443
6552996222,9cyclictest41-21ksoftirqd/320:25:093
6550996255,4cyclictest25-21ksoftirqd/120:10:131
6550996247,5cyclictest25-21ksoftirqd/121:40:141
116691620,3ptp4l0-21swapper/119:30:251
655299615,3cyclictest41-21ksoftirqd/320:00:323
6550996155,3cyclictest25-21ksoftirqd/121:00:001
6550996153,5cyclictest25-21ksoftirqd/121:20:111
116691610,5ptp4l610-21fschecks_time21:15:170
116691610,4ptp4l9964-21irqstats20:25:190
116691610,2ptp4l0-21swapper/221:30:142
6552996054,3cyclictest41-21ksoftirqd/321:00:163
6552996052,3cyclictest41-21ksoftirqd/320:25:003
6552996025,10cyclictest41-21ksoftirqd/320:37:423
6552996025,10cyclictest41-21ksoftirqd/320:37:423
6552996020,9cyclictest41-21ksoftirqd/300:19:353
6550996053,4cyclictest25-21ksoftirqd/119:25:121
6550996053,4cyclictest25-21ksoftirqd/119:25:011
116691600,2ptp4l0-21swapper/019:35:270
116691600,11ptp4l0-21swapper/223:25:112
655299592,6cyclictest32465-21sh22:25:003
6550995953,4cyclictest25-21ksoftirqd/100:10:171
6550995952,5cyclictest25-21ksoftirqd/122:45:121
116791590,13getstats0-21swapper/219:45:012
116691590,2ptp4l0-21swapper/200:05:192
116691590,2ptp4l0-21swapper/019:25:300
6552995852,3cyclictest41-21ksoftirqd/320:00:003
6550995852,4cyclictest25-21ksoftirqd/119:35:121
6550995816,11cyclictest25-21ksoftirqd/119:50:131
6552995751,4cyclictest41-21ksoftirqd/300:10:233
6552995751,3cyclictest41-21ksoftirqd/300:05:003
116691570,4ptp4l18018-21chrt20:43:390
116691570,4ptp4l18018-21chrt20:43:380
116691570,2ptp4l0-21swapper/122:26:431
116691570,2ptp4l0-21swapper/019:50:190
116691570,19ptp4l8330-21ls22:40:201
6550995650,4cyclictest25-21ksoftirqd/100:35:111
6550995650,3cyclictest25-21ksoftirqd/121:35:111
116691560,2ptp4l0-21swapper/122:02:541
116691560,1ptp4l0-21swapper/123:00:521
116691560,1ptp4l0-21swapper/121:52:141
116691560,1ptp4l0-21swapper/020:59:570
6550995550,3cyclictest25-21ksoftirqd/120:35:001
6550995549,4cyclictest25-21ksoftirqd/120:09:591
6550995548,4cyclictest25-21ksoftirqd/121:25:321
6550995548,4cyclictest25-21ksoftirqd/119:55:131
6549995548,4cyclictest9-21ksoftirqd/021:40:220
116691550,4ptp4l31876-21awk21:10:311
116691550,3ptp4l26210-21memory00:30:260
116691550,2ptp4l0-21swapper/020:54:590
6551995447,4cyclictest9438-21cron22:45:012
6550995447,5cyclictest25-21ksoftirqd/120:25:111
6550995447,3cyclictest25-21ksoftirqd/119:20:011
6550995416,4cyclictest25-21ksoftirqd/122:10:011
116691540,2ptp4l0-21swapper/022:30:270
116691540,1ptp4l0-21swapper/223:50:292
6550995348,3cyclictest25-21ksoftirqd/121:05:001
6550995347,3cyclictest25-21ksoftirqd/120:50:301
6550995346,4cyclictest25-21ksoftirqd/120:40:151
6550995346,4cyclictest25-21ksoftirqd/120:40:141
6550995345,5cyclictest25-21ksoftirqd/122:20:171
6549995347,3cyclictest9-21ksoftirqd/023:55:130
220152530,2sleep20-21swapper/200:20:282
116691530,6ptp4l11249-21perl00:00:162
116691530,4ptp4l14069-21df20:35:130
116691530,4ptp4l14069-21df20:35:130
116691530,2ptp4l0-21swapper/220:23:292
116691530,2ptp4l0-21swapper/122:52:161
116691530,2ptp4l0-21swapper/023:17:300
116691530,2ptp4l0-21swapper/020:20:520
655099527,11cyclictest25-21ksoftirqd/100:15:251
6550995247,3cyclictest25-21ksoftirqd/121:55:201
6550995247,3cyclictest25-21ksoftirqd/121:50:001
6550995247,3cyclictest25-21ksoftirqd/120:20:241
6550995245,4cyclictest8131-21awk23:55:001
6550995245,4cyclictest25-21ksoftirqd/122:30:321
6550995245,4cyclictest25-21ksoftirqd/121:35:001
116691520,2ptp4l0-21swapper/223:20:232
116691520,2ptp4l0-21swapper/222:50:342
116691520,2ptp4l0-21swapper/122:55:151
116691520,1ptp4l0-21swapper/122:17:181
655099518,7cyclictest25-21ksoftirqd/119:40:211
6550995145,3cyclictest25-21ksoftirqd/121:15:241
6550995143,4cyclictest25-21ksoftirqd/100:10:011
6550995121,4cyclictest25-21ksoftirqd/122:10:051
6550995121,4cyclictest25-21ksoftirqd/122:10:041
6549995146,3cyclictest9-21ksoftirqd/022:45:190
116691510,2ptp4l0-21swapper/100:32:101
116691510,1ptp4l0-21swapper/022:55:530
6551995030,3cyclictest33-21ksoftirqd/223:43:002
6551995030,3cyclictest33-21ksoftirqd/223:42:592
6550995043,4cyclictest25-21ksoftirqd/119:45:151
6550995042,4cyclictest25-21ksoftirqd/123:35:181
6550995042,4cyclictest25-21ksoftirqd/123:35:171
6549995044,4cyclictest9-21ksoftirqd/022:20:140
116691500,1ptp4l0-21swapper/223:00:492
116691500,1ptp4l0-21swapper/121:08:111
116691500,1ptp4l0-21swapper/022:36:360
116691500,1ptp4l0-21swapper/022:02:410
6550994944,3cyclictest25-21ksoftirqd/123:15:311
6550994943,3cyclictest25-21ksoftirqd/120:35:141
6550994943,3cyclictest25-21ksoftirqd/120:35:131
6550994942,4cyclictest25-21ksoftirqd/100:20:061
6550994942,4cyclictest25-21ksoftirqd/100:00:001
6550994937,10cyclictest25-21ksoftirqd/123:10:181
6549994944,3cyclictest9-21ksoftirqd/000:30:000
6549994943,3cyclictest9-21ksoftirqd/023:10:000
6549994942,4cyclictest9-21ksoftirqd/022:15:010
6549994942,4cyclictest9-21ksoftirqd/022:15:010
116791490,9getstats0-21swapper/220:34:242
116791490,10getstats0-21swapper/200:35:022
116691490,2ptp4l0-21swapper/022:40:250
116691490,1ptp4l0-21swapper/200:19:332
6551994841,4cyclictest33-21ksoftirqd/223:15:322
6550994843,3cyclictest25-21ksoftirqd/123:05:301
6550994841,4cyclictest25-21ksoftirqd/100:25:141
116691480,2ptp4l0-21swapper/223:11:382
116691480,2ptp4l0-21swapper/221:58:232
116691480,2ptp4l0-21swapper/221:15:302
116691480,2ptp4l0-21swapper/123:32:051
116691480,2ptp4l0-21swapper/123:24:591
116691480,2ptp4l0-21swapper/022:51:020
116691480,2ptp4l0-21swapper/019:34:180
116691480,13ptp4l18700-21expr20:45:142
6551994741,4cyclictest33-21ksoftirqd/222:15:012
6551994741,4cyclictest33-21ksoftirqd/222:15:002
6549994742,3cyclictest9-21ksoftirqd/000:10:010
6549994741,3cyclictest9-21ksoftirqd/022:09:590
6549994740,4cyclictest9-21ksoftirqd/021:45:180
6549994713,9cyclictest9-21ksoftirqd/020:20:000
116691470,2ptp4l0-21swapper/222:46:422
116691470,2ptp4l0-21swapper/221:46:552
116691470,2ptp4l0-21swapper/200:10:432
116691470,1ptp4l0-21swapper/021:34:050
6550994639,4cyclictest25-21ksoftirqd/123:50:001
116691460,8ptp4l0-21swapper/220:39:332
116691460,8ptp4l0-21swapper/220:39:322
116691460,5ptp4l4990-21sshd23:43:150
116691460,5ptp4l4990-21sshd23:43:140
116691460,2ptp4l0-21swapper/123:43:461
116691460,2ptp4l0-21swapper/123:43:461
116691460,2ptp4l0-21swapper/023:10:490
116691460,2ptp4l0-21swapper/021:12:520
116691460,2ptp4l0-21swapper/021:00:530
116691460,2ptp4l0-21swapper/000:21:330
116691460,11ptp4l0-21swapper/223:08:022
6550994539,3cyclictest25-21ksoftirqd/120:15:181
6549994540,3cyclictest9-21ksoftirqd/023:25:200
6549994538,4cyclictest9-21ksoftirqd/019:50:010
116691450,8ptp4l0-21swapper/221:13:122
116691450,8ptp4l0-21swapper/219:35:022
116691450,7ptp4l0-21swapper/220:16:512
116691450,7ptp4l0-21swapper/219:57:532
116691450,3ptp4l8959-21apt-get19:15:132
116691450,3ptp4l0-21swapper/222:25:312
116691450,2ptp4l0-21swapper/223:55:132
116691450,2ptp4l0-21swapper/223:33:272
6551994438,4cyclictest33-21ksoftirqd/222:57:572
6549994439,3cyclictest9-21ksoftirqd/022:00:000
6549994438,3cyclictest9-21ksoftirqd/023:40:010
6549994438,3cyclictest9-21ksoftirqd/023:40:010
116691440,8ptp4l0-21swapper/222:03:582
116691440,7ptp4l0-21swapper/221:36:532
116691440,7ptp4l0-21swapper/221:02:362
116691440,7ptp4l0-21swapper/220:41:072
116691440,7ptp4l0-21swapper/220:41:062
116691440,7ptp4l0-21swapper/220:10:412
116691440,7ptp4l0-21swapper/219:14:572
116691440,7ptp4l0-21swapper/219:14:562
116691440,4ptp4l16098-21df00:10:210
116691440,2ptp4l0-21swapper/220:04:512
116691440,2ptp4l0-21swapper/023:01:460
116691440,2ptp4l0-21swapper/022:27:510
116691440,1ptp4l0-21swapper/021:05:370
116691440,1ptp4l0-21swapper/000:04:020
6549994338,3cyclictest9-21ksoftirqd/019:45:000
6549994337,4cyclictest9-21ksoftirqd/023:22:300
6549994337,3cyclictest9-21ksoftirqd/021:25:140
116691430,8ptp4l0-21swapper/222:35:192
116691430,7ptp4l0-21swapper/221:54:412
116691430,2ptp4l0-21swapper/023:33:440
116691430,1ptp4l0-21swapper/200:25:532
116691430,10ptp4l0-21swapper/019:15:560
6549994236,4cyclictest9-21ksoftirqd/020:00:000
116691420,5ptp4l10883-21seq20:26:282
116691420,2ptp4l0-21swapper/020:02:310
116691420,1ptp4l0-21swapper/200:33:492
116691420,10ptp4l0-21swapper/021:52:110
6551994135,4cyclictest33-21ksoftirqd/223:35:322
6551994135,4cyclictest33-21ksoftirqd/223:35:312
6551994133,5cyclictest33-21ksoftirqd/221:40:572
6549994134,5cyclictest9-21ksoftirqd/019:25:000
116691410,5ptp4l3347-21irqstats21:20:210
116691410,3ptp4l0-21swapper/222:15:232
116691410,2ptp4l0-21swapper/222:31:012
116691410,2ptp4l0-21swapper/222:20:332
116691410,2ptp4l0-21swapper/220:52:042
116691410,2ptp4l0-21swapper/219:28:112
116691410,2ptp4l0-21swapper/023:51:180
116691410,2ptp4l0-21swapper/023:48:140
6551994033,4cyclictest33-21ksoftirqd/221:08:512
6549994034,4cyclictest9-21ksoftirqd/021:35:180
116691400,5ptp4l32167-21apt-get20:05:110
116691400,4ptp4l29013-21meminfo22:15:230
116691400,4ptp4l2077-21apt-get20:10:130
116691400,4ptp4l12934-21users19:20:302
116691400,2ptp4l0-21swapper/222:05:252
116691400,2ptp4l0-21swapper/221:27:282
116691400,2ptp4l0-21swapper/220:56:582
116691400,2ptp4l0-21swapper/220:06:042
116691400,2ptp4l0-21swapper/219:54:352
116691400,2ptp4l0-21swapper/219:45:172
116691400,1ptp4l0-21swapper/219:30:032
6549993934,3cyclictest9-21ksoftirqd/020:45:100
116691390,2ptp4l0-21swapper/223:45:122
116691390,2ptp4l0-21swapper/221:20:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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