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2024-04-28 - 15:21
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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 792 highest latencies:
System rackdslot1.osadl.org (updated Sun Apr 28, 2024 00:46:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1176911770,14ptp4l0-21swapper/219:06:442
1792521700,9sleep00-21swapper/019:05:280
1176911680,7ptp4l0-21swapper/319:05:153
1176911600,16ptp4l0-21swapper/119:09:381
117691690,2ptp4l0-21swapper/123:35:011
117691680,2ptp4l0-21swapper/123:40:191
117691680,2ptp4l0-21swapper/119:30:311
231812660,6sleep31886699cyclictest19:15:173
117691650,2ptp4l0-21swapper/119:42:371
117691650,2ptp4l0-21swapper/119:42:361
117691640,2ptp4l0-21swapper/119:20:001
117691640,2ptp4l0-21swapper/020:00:160
18863996326,11cyclictest9-21ksoftirqd/020:45:320
117691630,5ptp4l583-21polkitd19:11:061
117691630,20ptp4l0-21swapper/120:50:261
117691590,2ptp4l0-21swapper/122:57:041
1886599581,27cyclictest2775-21cat22:05:132
1886599580,23cyclictest4161-21cat19:45:262
18863995829,5cyclictest9-21ksoftirqd/019:10:220
117691580,2ptp4l0-21swapper/322:56:243
117691580,2ptp4l0-21swapper/322:39:413
117691580,2ptp4l0-21swapper/121:25:141
117691580,10ptp4l0-21swapper/319:13:523
1886599570,23cyclictest28034-21if_enp4s020:40:212
117691570,2ptp4l0-21swapper/300:25:333
117691570,2ptp4l0-21swapper/120:13:541
117691570,1ptp4l0-21swapper/120:28:311
117691570,13ptp4l0-21swapper/123:11:031
18863995627,6cyclictest9-21ksoftirqd/021:40:290
117691560,4ptp4l21389-21ls20:25:330
117691560,2ptp4l0-21swapper/321:06:443
117691560,2ptp4l0-21swapper/300:34:453
117691560,2ptp4l0-21swapper/123:20:241
117691560,2ptp4l0-21swapper/122:37:071
117691560,2ptp4l0-21swapper/121:35:351
117691560,2ptp4l0-21swapper/000:21:130
117691560,1ptp4l0-21swapper/322:13:123
117691560,1ptp4l0-21swapper/023:18:460
117691560,13ptp4l0-21swapper/121:02:561
117691560,13ptp4l0-21swapper/121:02:561
18863995540,8cyclictest9-21ksoftirqd/022:55:110
18863995528,4cyclictest9-21ksoftirqd/021:35:260
18863995528,4cyclictest9-21ksoftirqd/021:15:090
18863995526,6cyclictest9-21ksoftirqd/020:40:360
117691550,8ptp4l0-21swapper/322:20:563
117691550,8ptp4l0-21swapper/322:20:563
117691550,2ptp4l0-21swapper/321:15:533
117691550,2ptp4l0-21swapper/300:15:253
117691550,2ptp4l0-21swapper/100:39:431
117691550,1ptp4l0-21swapper/321:42:193
43802540,2sleep30-21swapper/319:45:283
18863995428,4cyclictest9-21ksoftirqd/022:15:000
18863995424,6cyclictest9-21ksoftirqd/000:10:290
117691540,2ptp4l0-21swapper/323:56:053
117691540,2ptp4l0-21swapper/323:43:433
117691540,2ptp4l0-21swapper/122:51:171
117691540,2ptp4l0-21swapper/120:35:151
117691540,1ptp4l0-21swapper/323:00:513
117691540,1ptp4l0-21swapper/322:50:103
117691540,1ptp4l0-21swapper/322:48:533
117691540,1ptp4l0-21swapper/319:32:083
117691540,1ptp4l0-21swapper/123:02:101
18863995327,4cyclictest9-21ksoftirqd/021:50:100
18863995326,4cyclictest9-21ksoftirqd/019:15:190
18863995324,6cyclictest9-21ksoftirqd/021:45:120
18863995322,12cyclictest9-21ksoftirqd/023:10:190
117691530,2ptp4l0-21swapper/321:36:543
117691530,2ptp4l0-21swapper/023:50:030
117691530,1ptp4l0-21swapper/023:45:150
117691530,1ptp4l0-21swapper/019:22:190
117691530,11ptp4l4615-21apt-get21:00:112
117691530,11ptp4l4615-21apt-get21:00:102
18863995244,5cyclictest9-21ksoftirqd/020:55:050
18863995224,5cyclictest9-21ksoftirqd/021:55:150
18863995223,6cyclictest9-21ksoftirqd/022:05:340
18863995222,6cyclictest9-21ksoftirqd/022:50:140
18863995222,5cyclictest9-21ksoftirqd/023:10:000
117691520,1ptp4l0-21swapper/321:47:343
18863995125,4cyclictest9-21ksoftirqd/021:00:140
18863995125,4cyclictest9-21ksoftirqd/021:00:130
18863995124,5cyclictest9-21ksoftirqd/022:40:160
18863995124,4cyclictest9-21ksoftirqd/021:10:370
18863995123,5cyclictest9-21ksoftirqd/020:15:000
18863995118,10cyclictest9-21ksoftirqd/020:15:280
117691510,2ptp4l0-21swapper/320:28:563
117691510,2ptp4l0-21swapper/123:47:241
117691510,2ptp4l0-21swapper/120:22:401
117691510,1ptp4l0-21swapper/323:32:223
117691510,1ptp4l0-21swapper/121:05:211
117691510,12ptp4l0-21swapper/121:10:371
324902500,2sleep10-21swapper/122:00:001
18863995035,4cyclictest9-21ksoftirqd/000:30:240
18863995023,4cyclictest9-21ksoftirqd/022:00:100
171552500,2sleep20-21swapper/222:35:182
117691500,2ptp4l0-21swapper/120:31:381
117691500,2ptp4l0-21swapper/120:08:481
117691500,2ptp4l0-21swapper/120:01:341
117691500,2ptp4l0-21swapper/119:54:431
117691500,2ptp4l0-21swapper/019:40:160
117691500,2ptp4l0-21swapper/019:40:150
117691500,1ptp4l0-21swapper/323:18:553
117691500,1ptp4l0-21swapper/200:24:192
117691500,10ptp4l0-21swapper/220:20:172
18863994937,6cyclictest9-21ksoftirqd/022:35:120
18863994935,4cyclictest9-21ksoftirqd/000:25:320
18863994934,3cyclictest9-21ksoftirqd/022:30:270
18863994922,9cyclictest9-21ksoftirqd/022:20:320
18863994922,9cyclictest9-21ksoftirqd/022:20:320
18863994922,5cyclictest9-21ksoftirqd/023:00:240
117691490,5ptp4l32332-21/usr/sbin/munin00:15:252
117691490,2ptp4l0-21swapper/321:58:363
117691490,2ptp4l0-21swapper/321:53:273
117691490,2ptp4l0-21swapper/321:22:323
117691490,2ptp4l0-21swapper/220:49:022
117691490,2ptp4l0-21swapper/123:16:051
117691490,2ptp4l0-21swapper/121:40:521
117691490,2ptp4l0-21swapper/121:20:581
117691490,1ptp4l0-21swapper/322:07:493
117691490,1ptp4l0-21swapper/320:13:223
117691490,1ptp4l0-21swapper/300:23:153
1886399487,9cyclictest9-21ksoftirqd/021:25:120
1886399487,8cyclictest9-21ksoftirqd/020:55:000
1886399486,9cyclictest9-21ksoftirqd/021:30:290
1886399486,5cyclictest9-21ksoftirqd/000:08:400
18863994839,5cyclictest9-21ksoftirqd/022:45:150
18863994835,4cyclictest9-21ksoftirqd/023:20:320
18863994835,3cyclictest9-21ksoftirqd/020:05:200
18863994831,7cyclictest9-21ksoftirqd/020:30:210
18863994821,4cyclictest9-21ksoftirqd/023:25:180
18863994819,6cyclictest9-21ksoftirqd/000:15:130
18863994819,4cyclictest9-21ksoftirqd/000:39:590
18863994817,12cyclictest9-21ksoftirqd/020:20:220
117691480,8ptp4l0-21swapper/223:13:162
117691480,8ptp4l0-21swapper/220:57:522
117691480,8ptp4l0-21swapper/219:52:152
117691480,2ptp4l0-21swapper/322:42:163
117691480,1ptp4l0-21swapper/319:36:103
117691480,1ptp4l0-21swapper/300:04:593
117691480,1ptp4l0-21swapper/120:41:301
117691480,1ptp4l0-21swapper/119:57:061
117691480,1ptp4l0-21swapper/119:28:131
117691480,1ptp4l0-21swapper/119:24:291
117691470,9ptp4l0-21swapper/220:37:272
117691470,8ptp4l0-21swapper/223:45:532
117691470,8ptp4l0-21swapper/223:41:122
117691470,8ptp4l0-21swapper/221:51:462
117691470,8ptp4l0-21swapper/221:05:512
117691470,8ptp4l0-21swapper/022:15:040
117691470,8ptp4l0-21swapper/022:15:040
117691470,3ptp4l29349-21apt-get19:30:022
117691470,2ptp4l0-21swapper/120:59:171
117691470,2ptp4l0-21swapper/100:33:211
117691470,2ptp4l0-21swapper/019:45:030
1886399466,9cyclictest9-21ksoftirqd/021:05:180
1886399466,6cyclictest9-21ksoftirqd/019:55:100
1886399465,8cyclictest9-21ksoftirqd/020:35:340
1886399465,7cyclictest9-21ksoftirqd/023:30:220
18863994621,4cyclictest9-21ksoftirqd/021:24:480
18863994620,6cyclictest9-21ksoftirqd/019:30:170
117691460,9ptp4l0-21swapper/220:09:502
117691460,8ptp4l0-21swapper/223:30:322
117691460,8ptp4l0-21swapper/221:16:222
117691460,8ptp4l0-21swapper/219:11:262
117691460,7ptp4l0-21swapper/223:52:582
117691460,7ptp4l0-21swapper/223:36:092
117691460,7ptp4l0-21swapper/223:36:092
117691460,7ptp4l0-21swapper/200:01:162
117691460,2ptp4l0-21swapper/322:25:123
117691460,2ptp4l0-21swapper/300:37:073
117691460,2ptp4l0-21swapper/121:33:461
117691460,1ptp4l0-21swapper/322:01:203
117691460,1ptp4l0-21swapper/320:32:063
117691460,1ptp4l0-21swapper/221:30:302
1886399455,6cyclictest9-21ksoftirqd/019:55:000
1886399450,9cyclictest9-21ksoftirqd/022:25:240
117691450,7ptp4l0-21swapper/223:19:362
117691450,7ptp4l0-21swapper/222:54:432
117691450,7ptp4l0-21swapper/220:26:522
117691450,7ptp4l0-21swapper/219:17:122
117691450,6ptp4l20787-21snmpd20:53:452
117691450,2ptp4l0-21swapper/300:10:593
117691450,2ptp4l0-21swapper/221:10:152
117691450,2ptp4l0-21swapper/123:38:451
117691450,2ptp4l0-21swapper/123:38:451
117691450,1ptp4l0-21swapper/222:46:132
117691450,1ptp4l0-21swapper/222:34:202
1886399448,8cyclictest9-21ksoftirqd/023:55:110
1886399445,8cyclictest9-21ksoftirqd/019:25:290
1886399444,9cyclictest9-21ksoftirqd/023:40:190
18863994431,4cyclictest9-21ksoftirqd/000:00:170
117691440,9ptp4l0-21swapper/222:01:582
117691440,8ptp4l9136-21ls23:25:331
117691440,4ptp4l401ktimersoftd/319:59:233
117691440,4ptp4l31461-21ntp_states21:55:292
117691440,2ptp4l0-21swapper/320:57:423
117691440,2ptp4l0-21swapper/319:43:193
117691440,2ptp4l0-21swapper/319:43:183
117691440,2ptp4l0-21swapper/300:06:073
117691440,2ptp4l0-21swapper/222:55:232
117691440,2ptp4l0-21swapper/222:17:492
117691440,2ptp4l0-21swapper/222:17:492
117691440,2ptp4l0-21swapper/220:10:242
117691440,2ptp4l0-21swapper/219:35:182
117691440,2ptp4l0-21swapper/123:07:181
117691440,1ptp4l0-21swapper/319:26:273
117691440,1ptp4l0-21swapper/119:38:131
18863994332,4cyclictest9-21ksoftirqd/019:35:140
117691430,8ptp4l0-21swapper/220:19:022
117691430,7ptp4l0-21swapper/223:03:152
117691430,5ptp4l336-21cpuspeed_turbos22:00:131
117691430,5ptp4l29346-21turbostat.cron19:29:592
117691430,2ptp4l0-21swapper/322:33:313
117691430,2ptp4l0-21swapper/120:49:081
117691430,1ptp4l0-21swapper/323:52:463
117691430,1ptp4l0-21swapper/321:12:093
117691430,1ptp4l0-21swapper/219:56:372
117691430,1ptp4l0-21swapper/200:06:142
117691430,1ptp4l0-21swapper/023:38:000
117691430,1ptp4l0-21swapper/023:38:000
117691420,5ptp4l9271-21ntp_states00:35:292
117691420,2ptp4l0-21swapper/223:23:382
117691420,2ptp4l0-21swapper/223:07:152
117691420,2ptp4l0-21swapper/222:40:192
117691420,2ptp4l0-21swapper/222:21:062
117691420,2ptp4l0-21swapper/222:21:062
117691420,2ptp4l0-21swapper/222:11:572
117691420,2ptp4l0-21swapper/221:37:262
117691420,2ptp4l0-21swapper/221:24:062
117691420,2ptp4l0-21swapper/220:01:382
117691420,2ptp4l0-21swapper/219:44:072
117691420,2ptp4l0-21swapper/219:44:072
117691420,1ptp4l0-21swapper/100:16:541
117691410,6ptp4l933-21sensors20:50:363
117691410,6ptp4l7050-21ps00:30:322
117691410,5ptp4l20056-21/usr/sbin/munin22:40:281
117691410,5ptp4l13001-21ls22:25:242
117691410,4ptp4l41-21ksoftirqd/322:15:073
117691410,4ptp4l41-21ksoftirqd/322:15:073
117691410,4ptp4l25730-21apt-get21:45:092
117691410,4ptp4l23755-21latency_hist00:00:011
117691410,4ptp4l19419-21apt-get23:50:101
117691410,4ptp4l15309-21apt-get20:15:121
117691410,4ptp4l12655-21ntp_states21:15:271
117691410,2ptp4l0-21swapper/223:26:042
117691410,2ptp4l0-21swapper/221:40:202
117691410,2ptp4l0-21swapper/221:25:442
117691410,2ptp4l0-21swapper/220:31:052
117691410,2ptp4l0-21swapper/219:20:572
117691410,2ptp4l0-21swapper/200:10:012
117691410,2ptp4l0-21swapper/122:47:261
117691410,2ptp4l0-21swapper/121:49:381
18866994020,9cyclictest41-21ksoftirqd/320:45:323
1886599401,17cyclictest117791getstats00:25:242
117691400,4ptp4l10402-21apt-get20:05:103
117691400,2ptp4l0-21swapper/223:57:092
117691400,2ptp4l0-21swapper/100:05:251
117691400,11ptp4l0-21swapper/321:27:453
117691390,4ptp4l24593-21hddtemp_smartct00:00:201
117691390,4ptp4l19949-21ssh21:30:323
117691390,4ptp4l15614-21df_abs20:15:143
117691390,3ptp4l1152-21apt-get00:20:101
117691390,2ptp4l0-21swapper/320:00:143
117691390,2ptp4l0-21swapper/122:30:261
117691390,2ptp4l0-21swapper/100:10:261
117691390,11ptp4l0-21swapper/122:25:551
117691380,4ptp4l5489-21cstates23:20:163
117691380,2ptp4l0-21swapper/323:10:293
117691380,2ptp4l0-21swapper/320:35:023
117691380,2ptp4l0-21swapper/319:24:593
117691380,1ptp4l0-21swapper/321:04:393
117691380,1ptp4l0-21swapper/321:04:383
117691380,1ptp4l0-21swapper/122:05:231
117691380,1ptp4l0-21swapper/119:45:271
117691370,2ptp4l0-21swapper/323:25:173
117691370,2ptp4l0-21swapper/323:06:563
117691370,2ptp4l0-21swapper/320:40:383
117691370,2ptp4l0-21swapper/320:20:183
117691370,2ptp4l0-21swapper/319:52:163
117691370,2ptp4l0-21swapper/122:10:301
117691370,2ptp4l0-21swapper/121:50:331
117691360,2ptp4l0-21swapper/323:48:463
117691360,2ptp4l0-21swapper/323:35:063
117691360,2ptp4l0-21swapper/323:35:053
117691360,2ptp4l0-21swapper/122:15:071
117691360,2ptp4l0-21swapper/122:15:071
117691360,2ptp4l0-21swapper/100:29:141
117691350,1ptp4l0-21swapper/122:20:421
117691350,1ptp4l0-21swapper/122:20:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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