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2024-04-27 - 17:17
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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 Sat Apr 27, 2024 00:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1176911760,47ptp4l0-21swapper/119:06:471
2174221700,9sleep22302699cyclictest21:21:482
1176911700,15ptp4l0-21swapper/219:09:122
1176911670,16ptp4l0-21swapper/019:07:010
2370421640,6sleep22302699cyclictest19:10:192
1176911140,17ptp4l0-21swapper/319:08:483
117791820,9getstats2302699cyclictest23:46:492
230892740,9sleep32302799cyclictest20:15:323
28172730,7sleep1241ktimersoftd/121:50:181
117691690,4ptp4l4188-21hddtemp_smartct20:45:171
117691680,2ptp4l0-21swapper/122:53:491
117691680,2ptp4l0-21swapper/121:00:241
117691680,1ptp4l0-21swapper/300:00:053
117691660,2ptp4l0-21swapper/123:45:271
117691640,4ptp4l121rcu_preempt20:14:251
117691640,10ptp4l0-21swapper/223:15:212
117691610,2ptp4l0-21swapper/100:05:231
117691610,2ptp4l0-21swapper/100:05:221
2302699601,22cyclictest20787-21snmpd22:56:582
2302699601,22cyclictest20787-21snmpd22:56:582
117691600,2ptp4l0-21swapper/322:05:473
117691600,2ptp4l0-21swapper/123:04:581
117691600,2ptp4l0-21swapper/120:15:281
117691600,2ptp4l0-21swapper/022:16:550
117691590,2ptp4l0-21swapper/322:39:553
117691590,2ptp4l0-21swapper/220:35:252
117691590,2ptp4l0-21swapper/100:22:521
117691590,2ptp4l0-21swapper/020:50:330
117691590,1ptp4l0-21swapper/122:19:201
117691590,1ptp4l0-21swapper/020:05:190
117691590,11ptp4l0-21swapper/123:53:391
263332580,3sleep20-21swapper/220:25:162
117691580,2ptp4l0-21swapper/300:20:243
117691580,2ptp4l0-21swapper/222:01:422
117691580,2ptp4l0-21swapper/220:47:382
117691580,2ptp4l0-21swapper/022:27:160
117691580,2ptp4l0-21swapper/021:52:000
117691580,1ptp4l0-21swapper/023:18:370
117691570,2ptp4l0-21swapper/223:35:022
117691570,2ptp4l0-21swapper/219:55:122
117691570,2ptp4l0-21swapper/219:32:542
117691570,2ptp4l0-21swapper/122:26:581
117691570,2ptp4l0-21swapper/021:46:440
117691570,2ptp4l0-21swapper/021:35:560
117691570,2ptp4l0-21swapper/000:02:060
117691560,2ptp4l0-21swapper/321:27:573
117691560,2ptp4l0-21swapper/300:10:263
117691560,2ptp4l0-21swapper/300:10:263
117691560,2ptp4l0-21swapper/123:35:031
117691560,2ptp4l0-21swapper/120:20:181
117691560,2ptp4l0-21swapper/020:13:240
117691560,2ptp4l0-21swapper/019:45:490
117691560,1ptp4l0-21swapper/219:19:242
117691560,1ptp4l0-21swapper/023:40:320
117691560,13ptp4l0-21swapper/120:29:011
117691550,2ptp4l0-21swapper/120:54:381
117691550,2ptp4l0-21swapper/120:00:341
117691550,2ptp4l0-21swapper/100:31:561
117691550,2ptp4l0-21swapper/023:51:080
117691550,2ptp4l0-21swapper/022:47:240
117691550,12ptp4l0-21swapper/121:57:471
117691540,2ptp4l0-21swapper/023:27:560
117691540,1ptp4l0-21swapper/020:44:090
117691540,1ptp4l0-21swapper/020:24:300
117691530,2ptp4l0-21swapper/022:11:150
117691530,1ptp4l0-21swapper/021:05:110
117691530,12ptp4l0-21swapper/123:43:021
23027995212,7cyclictest41-21ksoftirqd/322:00:183
23027995210,7cyclictest41-21ksoftirqd/319:45:013
189022520,2sleep20-21swapper/222:25:122
117691520,9ptp4l0-21swapper/123:21:031
117691520,2ptp4l0-21swapper/023:57:440
117691520,2ptp4l0-21swapper/019:35:260
117691520,1ptp4l0-21swapper/123:57:251
117691520,1ptp4l0-21swapper/100:01:521
117691520,1ptp4l0-21swapper/022:06:490
117691520,14ptp4l24155-21df_inode20:20:142
117691520,12ptp4l10471-21apt-get00:25:121
117691520,10ptp4l0-21swapper/122:36:191
2302799518,7cyclictest41-21ksoftirqd/323:12:223
2302799517,7cyclictest41-21ksoftirqd/323:00:333
2302799514,8cyclictest41-21ksoftirqd/320:10:273
117691510,2ptp4l0-21swapper/220:42:542
117691510,2ptp4l0-21swapper/020:33:360
117691510,2ptp4l0-21swapper/020:17:420
117691510,2ptp4l0-21swapper/019:12:290
117691510,2ptp4l0-21swapper/000:35:250
2302799508,7cyclictest41-21ksoftirqd/322:25:083
2302799508,7cyclictest41-21ksoftirqd/322:23:433
2302799505,8cyclictest41-21ksoftirqd/319:30:203
23027995017,5cyclictest41-21ksoftirqd/321:37:583
117691500,8ptp4l0-21swapper/019:30:260
117691500,2ptp4l0-21swapper/319:22:253
117691500,2ptp4l0-21swapper/123:34:321
117691500,2ptp4l0-21swapper/123:09:321
117691500,2ptp4l0-21swapper/122:55:111
117691500,2ptp4l0-21swapper/122:55:111
117691500,2ptp4l0-21swapper/121:46:211
117691500,2ptp4l0-21swapper/120:39:291
117691500,2ptp4l0-21swapper/120:31:201
117691500,2ptp4l0-21swapper/023:32:130
117691500,2ptp4l0-21swapper/023:21:590
117691500,1ptp4l0-21swapper/321:22:313
117691500,1ptp4l0-21swapper/023:02:070
117691500,1ptp4l0-21swapper/021:32:260
117691500,11ptp4l9-21ksoftirqd/022:33:300
2302799498,7cyclictest41-21ksoftirqd/320:35:433
2302799497,7cyclictest41-21ksoftirqd/323:42:243
2302799497,7cyclictest41-21ksoftirqd/323:29:083
2302799497,7cyclictest41-21ksoftirqd/323:20:343
2302799497,7cyclictest41-21ksoftirqd/322:44:033
2302799497,7cyclictest41-21ksoftirqd/322:31:383
2302799497,7cyclictest41-21ksoftirqd/300:28:463
2302799497,7cyclictest41-21ksoftirqd/300:05:543
2302799497,7cyclictest41-21ksoftirqd/300:05:543
2302799496,7cyclictest41-21ksoftirqd/321:50:063
2302799496,7cyclictest41-21ksoftirqd/321:42:563
2302799494,8cyclictest41-21ksoftirqd/300:40:003
117691490,8ptp4l0-21swapper/223:01:402
117691490,2ptp4l0-21swapper/219:40:032
117691490,2ptp4l0-21swapper/023:47:330
117691490,2ptp4l0-21swapper/019:54:470
2302799487,7cyclictest41-21ksoftirqd/323:45:063
2302799487,7cyclictest41-21ksoftirqd/321:55:543
2302799487,7cyclictest41-21ksoftirqd/319:37:463
2302799486,7cyclictest41-21ksoftirqd/322:11:473
2302799485,7cyclictest41-21ksoftirqd/321:32:443
2302799485,7cyclictest41-21ksoftirqd/319:56:043
2302799484,7cyclictest41-21ksoftirqd/320:50:103
2302799484,7cyclictest41-21ksoftirqd/300:15:183
117691480,8ptp4l0-21swapper/222:50:582
117691480,8ptp4l0-21swapper/019:41:490
117691480,2ptp4l0-21swapper/119:55:511
117691480,2ptp4l0-21swapper/100:15:461
117691480,1ptp4l0-21swapper/121:27:041
117691480,1ptp4l0-21swapper/119:48:401
117691480,1ptp4l0-21swapper/022:24:570
117691480,1ptp4l0-21swapper/021:00:460
117691480,12ptp4l11132-21iostat_ios00:25:222
117691480,10ptp4l0-21swapper/119:10:331
2302799478,7cyclictest41-21ksoftirqd/320:31:213
2302799477,7cyclictest41-21ksoftirqd/321:14:103
2302799477,7cyclictest41-21ksoftirqd/321:02:573
2302799476,7cyclictest41-21ksoftirqd/320:23:113
2302799476,7cyclictest41-21ksoftirqd/319:48:133
2302799476,7cyclictest41-21ksoftirqd/319:29:433
2302799476,7cyclictest41-21ksoftirqd/319:18:143
2302799473,9cyclictest41-21ksoftirqd/319:10:123
2302799472,7cyclictest41-21ksoftirqd/320:45:133
2302799472,7cyclictest41-21ksoftirqd/300:30:303
117691470,8ptp4l0-21swapper/223:54:102
117691470,8ptp4l0-21swapper/223:42:462
117691470,8ptp4l0-21swapper/222:13:202
117691470,8ptp4l0-21swapper/220:08:032
117691470,8ptp4l0-21swapper/219:50:042
117691470,7ptp4l0-21swapper/221:44:392
117691470,7ptp4l0-21swapper/200:14:192
117691470,7ptp4l0-21swapper/200:14:182
117691470,7ptp4l0-21swapper/019:27:210
117691470,7ptp4l0-21swapper/019:16:560
117691470,2ptp4l0-21swapper/123:29:381
117691470,2ptp4l0-21swapper/122:23:491
117691470,2ptp4l0-21swapper/022:01:150
117691470,2ptp4l0-21swapper/021:29:460
117691470,2ptp4l0-21swapper/020:35:400
2302799467,7cyclictest41-21ksoftirqd/323:18:153
2302799466,8cyclictest41-21ksoftirqd/322:19:453
2302799465,7cyclictest41-21ksoftirqd/323:57:303
2302799465,7cyclictest41-21ksoftirqd/323:35:423
2302799465,7cyclictest41-21ksoftirqd/321:07:193
2302799464,8cyclictest41-21ksoftirqd/323:09:323
23027994617,4cyclictest41-21ksoftirqd/321:16:573
117691460,8ptp4l0-21swapper/223:38:552
117691460,8ptp4l0-21swapper/223:11:272
117691460,8ptp4l0-21swapper/222:42:252
117691460,8ptp4l0-21swapper/222:09:302
117691460,8ptp4l0-21swapper/220:31:052
117691460,8ptp4l0-21swapper/200:24:282
117691460,7ptp4l0-21swapper/223:23:522
117691460,6ptp4l25277-21fschecks_count21:30:162
117691460,3ptp4l25-21ksoftirqd/122:42:271
117691460,2ptp4l0-21swapper/121:41:441
117691460,2ptp4l0-21swapper/121:33:341
117691460,2ptp4l0-21swapper/100:13:551
117691460,2ptp4l0-21swapper/100:13:541
117691460,2ptp4l0-21swapper/022:52:520
117691460,2ptp4l0-21swapper/000:33:030
117691460,1ptp4l0-21swapper/221:25:542
117691460,1ptp4l0-21swapper/100:39:231
117691460,1ptp4l0-21swapper/020:55:410
2302799457,6cyclictest41-21ksoftirqd/322:55:133
2302799457,6cyclictest41-21ksoftirqd/322:55:133
2302799453,7cyclictest41-21ksoftirqd/322:50:243
2302799452,7cyclictest41-21ksoftirqd/320:05:263
117691450,8ptp4l0-21swapper/223:05:582
117691450,8ptp4l0-21swapper/222:15:392
117691450,8ptp4l0-21swapper/220:56:292
117691450,8ptp4l0-21swapper/020:25:040
117691450,7ptp4l0-21swapper/221:54:522
117691450,4ptp4l5811-21apt-get00:15:102
117691450,4ptp4l23023-21cyclictest22:32:442
117691450,2ptp4l0-21swapper/221:11:402
117691450,2ptp4l0-21swapper/221:07:582
117691450,2ptp4l0-21swapper/219:25:572
117691450,2ptp4l0-21swapper/123:19:271
117691450,2ptp4l0-21swapper/121:39:401
117691450,2ptp4l0-21swapper/120:41:461
117691450,2ptp4l0-21swapper/021:20:160
117691450,1ptp4l0-21swapper/120:55:581
117691450,1ptp4l0-21swapper/022:41:020
2302799444,5cyclictest0-21swapper/320:40:193
117691440,8ptp4l0-21swapper/222:35:242
117691440,7ptp4l0-21swapper/200:03:312
117691440,5ptp4l14675-21df_abs23:25:152
117691440,2ptp4l0-21swapper/221:15:142
117691440,2ptp4l0-21swapper/122:09:031
117691440,2ptp4l0-21swapper/119:36:341
117691440,2ptp4l0-21swapper/022:55:140
117691440,2ptp4l0-21swapper/022:55:130
117691440,1ptp4l0-21swapper/019:58:470
117691440,1ptp4l0-21swapper/000:09:060
117691440,1ptp4l0-21swapper/000:09:050
2302799434,7cyclictest41-21ksoftirqd/320:01:053
2302799432,8cyclictest41-21ksoftirqd/321:45:443
23027994318,8cyclictest41-21ksoftirqd/323:33:043
117691430,6ptp4l3495-21meminfo19:35:212
117691430,5ptp4l31740-21apt-get21:45:052
117691430,5ptp4l26634-21perl23:50:153
117691430,3ptp4l10696-21apt-get21:00:112
117691430,2ptp4l0-21swapper/222:24:272
117691430,2ptp4l0-21swapper/119:50:391
117691430,2ptp4l0-21swapper/023:14:140
117691430,2ptp4l0-21swapper/023:07:080
117691430,1ptp4l0-21swapper/123:13:031
117691430,1ptp4l0-21swapper/120:09:511
117691430,1ptp4l0-21swapper/021:16:400
117691420,9ptp4l0-21swapper/020:46:270
117691420,6ptp4l22233-21ps22:30:291
117691420,5ptp4l8052-21memory22:00:231
117691420,5ptp4l5448-21hddtemp_smartct19:40:201
117691420,5ptp4l19466-21hddtemp_smartct23:35:170
117691420,4ptp4l29199-21apt-get21:40:030
117691420,4ptp4l28427-21diskstats22:45:161
117691420,2ptp4l0-21swapper/223:55:012
117691420,2ptp4l0-21swapper/222:45:522
117691420,2ptp4l0-21swapper/221:38:302
117691420,2ptp4l0-21swapper/220:54:392
117691420,2ptp4l0-21swapper/220:17:552
117691420,2ptp4l0-21swapper/220:01:492
117691420,2ptp4l0-21swapper/219:49:232
117691420,2ptp4l0-21swapper/219:22:522
117691420,2ptp4l0-21swapper/200:37:132
117691420,2ptp4l0-21swapper/200:31:242
117691420,2ptp4l0-21swapper/021:10:470
117691420,2ptp4l0-21swapper/019:22:450
117691420,1ptp4l0-21swapper/122:14:521
2302799411,8cyclictest41-21ksoftirqd/319:50:273
117691410,4ptp4l9-21ksoftirqd/000:20:340
117691410,4ptp4l4573-21ntp_states00:10:280
117691410,4ptp4l4573-21ntp_states00:10:280
117691410,2ptp4l0-21swapper/221:57:172
117691410,2ptp4l0-21swapper/220:11:012
117691410,2ptp4l0-21swapper/200:05:422
117691410,2ptp4l0-21swapper/200:05:412
117691410,2ptp4l0-21swapper/121:24:481
117691410,2ptp4l0-21swapper/022:39:540
117691410,2ptp4l0-21swapper/020:00:110
117691400,5ptp4l29657-21chrt19:20:381
117691400,5ptp4l28700-21sh22:45:203
117691400,2ptp4l0-21swapper/121:05:291
117691400,2ptp4l0-21swapper/119:30:211
117691400,2ptp4l0-21swapper/021:55:100
117691400,1ptp4l0-21swapper/000:27:280
23027993918,9cyclictest41-21ksoftirqd/320:55:143
117691390,3ptp4l25-21ksoftirqd/119:15:281
117691390,2ptp4l0-21swapper/121:10:191
117691380,2ptp4l0-21swapper/121:18:221
117691370,2ptp4l0-21swapper/320:27:373
117691370,2ptp4l0-21swapper/119:25:551
117691370,2ptp4l0-21swapper/000:15:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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