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2024-06-18 - 21:51
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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 Tue Jun 18, 2024 00:46:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1176911800,15ptp4l0-21swapper/019:09:030
1176911710,15ptp4l0-21swapper/219:06:292
2427821680,8sleep21283799cyclictest00:25:262
1176911640,7ptp4l0-21swapper/119:05:551
2800921610,9sleep21283799cyclictest00:35:012
1176911360,14ptp4l0-21swapper/319:06:473
1176911050,8ptp4l0-21swapper/219:10:012
117691730,2ptp4l0-21swapper/222:25:312
117691700,2ptp4l0-21swapper/222:15:392
117691660,3ptp4l13092-21chrt00:01:513
117691660,2ptp4l0-21swapper/221:40:352
117691650,2ptp4l0-21swapper/200:12:442
311782630,6sleep31283899cyclictest22:20:373
117691610,2ptp4l0-21swapper/221:45:182
12836995917,8cyclictest25-21ksoftirqd/121:32:591
12835995940,4cyclictest9-21ksoftirqd/021:45:000
117691590,2ptp4l0-21swapper/223:37:212
117691590,2ptp4l0-21swapper/219:47:242
117691580,2ptp4l0-21swapper/223:18:222
117691580,2ptp4l0-21swapper/200:04:222
117691570,9ptp4l0-21swapper/100:38:271
117691570,2ptp4l0-21swapper/221:00:122
117691570,2ptp4l0-21swapper/220:20:232
117691570,2ptp4l0-21swapper/220:20:222
117691570,2ptp4l0-21swapper/123:55:061
117691570,2ptp4l0-21swapper/100:09:441
117691570,2ptp4l0-21swapper/023:10:240
200202560,2sleep10-21swapper/120:50:241
12836995618,7cyclictest25-21ksoftirqd/120:32:041
117691560,2ptp4l0-21swapper/221:37:492
117691560,2ptp4l0-21swapper/221:37:482
117691560,2ptp4l0-21swapper/220:53:172
117691560,2ptp4l0-21swapper/123:50:521
117691560,2ptp4l0-21swapper/023:08:410
117691560,2ptp4l0-21swapper/020:10:190
117691560,2ptp4l0-21swapper/000:35:210
12835995523,10cyclictest9-21ksoftirqd/019:20:400
117691550,2ptp4l0-21swapper/220:10:002
117691550,2ptp4l0-21swapper/123:09:581
117691550,2ptp4l0-21swapper/022:21:490
1283599547,9cyclictest9-21ksoftirqd/022:05:000
117691540,2ptp4l0-21swapper/223:31:262
117691540,2ptp4l0-21swapper/023:45:130
117691540,2ptp4l0-21swapper/022:27:410
117691540,1ptp4l0-21swapper/100:18:001
12835995323,11cyclictest9-21ksoftirqd/022:05:140
12835995323,11cyclictest9-21ksoftirqd/020:40:380
117691530,6ptp4l2577-21sed22:30:222
117691530,2ptp4l0-21swapper/223:14:192
117691530,2ptp4l0-21swapper/223:06:002
117691530,2ptp4l0-21swapper/222:07:262
117691530,2ptp4l0-21swapper/220:45:222
117691530,2ptp4l0-21swapper/122:44:361
117691530,2ptp4l0-21swapper/023:31:320
117691530,2ptp4l0-21swapper/020:57:130
117691530,1ptp4l0-21swapper/023:35:290
1283599528,5cyclictest29540-21sendmail20:00:000
1283599527,9cyclictest9-21ksoftirqd/022:50:000
1283599522,10cyclictest7854-21awk21:34:590
117691520,3ptp4l321ktimersoftd/220:30:002
117691520,2ptp4l0-21swapper/223:26:152
117691520,2ptp4l0-21swapper/223:22:202
117691520,2ptp4l0-21swapper/222:55:572
117691520,2ptp4l0-21swapper/222:55:572
117691520,2ptp4l0-21swapper/221:51:202
117691520,2ptp4l0-21swapper/221:22:342
117691520,2ptp4l0-21swapper/220:12:422
117691520,2ptp4l0-21swapper/219:44:212
117691520,2ptp4l0-21swapper/022:51:450
1283699519,7cyclictest25-21ksoftirqd/123:20:211
1283699518,8cyclictest25-21ksoftirqd/120:05:101
12836995118,9cyclictest25-21ksoftirqd/100:28:191
12836995117,12cyclictest25-21ksoftirqd/122:11:201
12835995137,4cyclictest9-21ksoftirqd/000:05:250
117691510,2ptp4l0-21swapper/220:03:062
117691510,2ptp4l0-21swapper/200:34:532
117691510,2ptp4l0-21swapper/119:47:431
117691510,2ptp4l0-21swapper/023:56:300
117691510,2ptp4l0-21swapper/022:19:410
117691510,2ptp4l0-21swapper/021:38:430
117691510,2ptp4l0-21swapper/021:38:430
117691510,2ptp4l0-21swapper/020:20:350
117691510,2ptp4l0-21swapper/020:20:350
12835995037,4cyclictest9-21ksoftirqd/021:10:170
1283599501,8cyclictest6200-21latency_hist22:40:010
117791500,12getstats6011-21cstates21:30:142
117691500,2ptp4l0-21swapper/223:02:582
117691500,2ptp4l0-21swapper/222:53:512
117691500,2ptp4l0-21swapper/222:37:352
117691500,2ptp4l0-21swapper/222:00:092
117691500,2ptp4l0-21swapper/221:59:242
117691500,2ptp4l0-21swapper/221:26:562
117691500,2ptp4l0-21swapper/023:27:500
117691500,2ptp4l0-21swapper/020:31:550
117691500,2ptp4l0-21swapper/019:13:040
117691500,2ptp4l0-21swapper/000:16:420
117691500,11ptp4l0-21swapper/222:20:352
1283699499,8cyclictest25-21ksoftirqd/123:15:001
1283699496,7cyclictest25-21ksoftirqd/122:45:361
1283699494,9cyclictest241ktimersoftd/120:35:391
12836994944,3cyclictest231rcuc/123:35:221
1283599496,3cyclictest9-21ksoftirqd/020:35:370
1283599495,8cyclictest9-21ksoftirqd/023:50:360
1283599494,10cyclictest9-21ksoftirqd/000:30:360
12835994936,4cyclictest9-21ksoftirqd/022:55:180
12835994936,4cyclictest9-21ksoftirqd/022:55:170
12835994934,4cyclictest9-21ksoftirqd/022:10:260
12835994934,4cyclictest9-21ksoftirqd/021:20:000
12835994933,4cyclictest9-21ksoftirqd/020:05:070
1283599492,9cyclictest25476-21cron19:45:000
12835994913,7cyclictest9-21ksoftirqd/020:48:220
117791490,9getstats0-21swapper/222:48:532
117691490,2ptp4l0-21swapper/221:17:322
117691490,2ptp4l0-21swapper/221:05:342
117691490,2ptp4l0-21swapper/220:56:302
117691490,2ptp4l0-21swapper/220:36:242
117691490,2ptp4l0-21swapper/219:25:022
117691490,2ptp4l0-21swapper/200:22:152
117691490,2ptp4l0-21swapper/200:19:232
117691490,2ptp4l0-21swapper/122:54:091
117691490,2ptp4l0-21swapper/119:31:171
117691490,2ptp4l0-21swapper/023:19:420
117691490,1ptp4l0-21swapper/123:44:271
117691490,1ptp4l0-21swapper/122:37:381
117691490,10ptp4l41-21ksoftirqd/319:13:553
1283699486,8cyclictest25-21ksoftirqd/123:30:011
1283699486,8cyclictest25-21ksoftirqd/123:15:231
1283699482,8cyclictest14985-21grep22:55:391
1283699482,8cyclictest14985-21grep22:55:391
1283599485,8cyclictest9-21ksoftirqd/023:20:250
1283599481,9cyclictest7946-21ls22:40:390
117791480,9getstats0-21swapper/222:11:332
117691480,7ptp4l321ktimersoftd/219:30:182
117691480,4ptp4l12834-21cyclictest00:02:201
117691480,2ptp4l0-21swapper/223:52:222
117691480,2ptp4l0-21swapper/222:41:302
117691480,2ptp4l0-21swapper/119:23:401
117691480,2ptp4l0-21swapper/022:31:390
117691480,2ptp4l0-21swapper/019:29:070
117691480,1ptp4l0-21swapper/323:11:363
117691480,1ptp4l0-21swapper/123:01:311
1283699477,7cyclictest25-21ksoftirqd/122:15:231
1283699476,7cyclictest25-21ksoftirqd/123:50:001
1283699476,7cyclictest25-21ksoftirqd/120:17:241
1283699474,8cyclictest25-21ksoftirqd/122:20:061
1283699474,7cyclictest25-21ksoftirqd/100:30:311
12836994742,3cyclictest231rcuc/120:03:041
1283699473,8cyclictest241ktimersoftd/123:30:321
1283699473,7cyclictest241ktimersoftd/122:05:351
1283699472,8cyclictest23129-21grep19:35:151
1283599476,9cyclictest9-21ksoftirqd/021:55:380
1283599476,5cyclictest9-21ksoftirqd/021:45:380
1283599476,3cyclictest9-21ksoftirqd/020:30:000
1283599476,11cyclictest9-21ksoftirqd/023:00:200
1283599476,11cyclictest9-21ksoftirqd/000:00:300
1283599476,10cyclictest9-21ksoftirqd/019:45:010
1283599476,10cyclictest9-21ksoftirqd/000:10:200
12835994734,4cyclictest9-21ksoftirqd/021:25:220
12835994732,4cyclictest9-21ksoftirqd/021:50:140
1283599471,10cyclictest20447-21grep20:50:340
117791470,8getstats0-21swapper/223:45:272
117691470,8ptp4l0-21swapper/121:53:111
117691470,2ptp4l0-21swapper/219:17:252
117691470,2ptp4l0-21swapper/121:48:081
117691470,2ptp4l0-21swapper/100:10:081
117691470,2ptp4l0-21swapper/019:32:050
117691470,1ptp4l0-21swapper/323:18:053
1283699468,9cyclictest25-21ksoftirqd/122:02:221
1283699465,6cyclictest25-21ksoftirqd/121:00:181
1283699464,7cyclictest241ktimersoftd/120:10:161
1283699461,8cyclictest241ktimersoftd/120:25:371
1283599466,10cyclictest9-21ksoftirqd/000:25:010
1283599465,9cyclictest9-21ksoftirqd/021:25:000
1283599465,8cyclictest9-21ksoftirqd/000:25:350
1283599464,9cyclictest9-21ksoftirqd/023:40:140
1283599464,9cyclictest9-21ksoftirqd/019:54:590
117791460,9getstats0-21swapper/219:52:362
117691460,9ptp4l0-21swapper/119:13:111
117691460,8ptp4l0-21swapper/020:16:490
117691460,3ptp4l121rcu_preempt21:50:003
117691460,2ptp4l0-21swapper/323:52:363
117691460,2ptp4l0-21swapper/219:38:082
117691460,1ptp4l0-21swapper/323:59:303
1283699459,7cyclictest25-21ksoftirqd/121:35:211
1283699459,7cyclictest25-21ksoftirqd/121:35:201
1283699454,7cyclictest25-21ksoftirqd/121:55:271
1283699451,9cyclictest241ktimersoftd/119:55:141
1283599457,4cyclictest9-21ksoftirqd/021:05:350
1283599452,10cyclictest9-21ksoftirqd/021:00:170
117791450,8getstats0-21swapper/221:12:392
117691450,8ptp4l0-21swapper/121:06:181
117691450,8ptp4l0-21swapper/120:48:481
117691450,2ptp4l0-21swapper/219:21:332
117691450,1ptp4l0-21swapper/320:42:023
117691450,1ptp4l0-21swapper/019:35:080
1283699444,8cyclictest25-21ksoftirqd/121:10:291
1283699441,8cyclictest241ktimersoftd/121:25:131
1283699441,8cyclictest241ktimersoftd/121:25:001
12836994417,7cyclictest25-21ksoftirqd/119:27:571
1283599445,8cyclictest9-21ksoftirqd/019:15:210
117691440,4ptp4l33-21ksoftirqd/220:16:502
117691440,2ptp4l0-21swapper/319:20:433
117691440,2ptp4l0-21swapper/223:56:082
117691440,1ptp4l0-21swapper/219:55:502
117691440,10ptp4l16080-21taskset00:10:013
1283699439,7cyclictest25-21ksoftirqd/122:25:121
1283699433,7cyclictest25-21ksoftirqd/100:24:261
12836994315,4cyclictest25-21ksoftirqd/120:20:261
12836994315,4cyclictest25-21ksoftirqd/120:20:251
117691430,9ptp4l0-21swapper/120:41:461
117691430,1ptp4l0-21swapper/300:05:313
1283699422,6cyclictest241ktimersoftd/119:55:001
1283699420,8cyclictest241ktimersoftd/120:55:121
117691420,4ptp4l15621-21df_inode19:15:131
117691420,2ptp4l0-21swapper/300:16:593
117691420,2ptp4l0-21swapper/223:40:232
117691420,2ptp4l0-21swapper/220:44:082
117691420,2ptp4l0-21swapper/220:31:012
117691420,2ptp4l0-21swapper/121:15:021
1283699417,7cyclictest25-21ksoftirqd/121:40:121
117691410,6ptp4l25571-21gpgv19:45:011
117691410,5ptp4l18454-21df_inode23:05:153
117691410,4ptp4l19310-21apt-get20:50:143
117691410,4ptp4l1729-21llvmpipe-300:21:593
117691410,4ptp4l1174-21ls23:35:363
117691410,2ptp4l0-21swapper/200:05:592
117691400,5ptp4l6766-21timerandwakeup20:20:353
117691400,5ptp4l6766-21timerandwakeup20:20:343
117691400,5ptp4l4284-21/usr/sbin/munin23:45:343
117691400,5ptp4l20369-21cut19:30:003
117691400,4ptp4l32514-21iostat_ios22:25:203
117691400,2ptp4l0-21swapper/319:57:583
117691400,2ptp4l0-21swapper/122:30:371
117691390,4ptp4l41-21ksoftirqd/320:37:213
117691390,4ptp4l23203-21memory22:05:253
117691390,4ptp4l11624-21smartctl22:50:203
117691390,3ptp4l16035-21sed19:15:203
117691390,2ptp4l0-21swapper/323:25:223
117691390,2ptp4l0-21swapper/322:36:303
117691390,2ptp4l0-21swapper/320:55:123
117691390,2ptp4l0-21swapper/320:07:563
117691390,1ptp4l0-21swapper/323:04:523
117691390,1ptp4l0-21swapper/322:48:163
1283599382,9cyclictest9-21ksoftirqd/020:00:020
117691380,2ptp4l0-21swapper/323:20:133
117691380,2ptp4l0-21swapper/322:00:283
117691380,2ptp4l0-21swapper/321:50:373
117691380,2ptp4l0-21swapper/321:45:003
117691380,2ptp4l0-21swapper/321:35:333
117691380,2ptp4l0-21swapper/321:35:333
117691380,2ptp4l0-21swapper/321:28:403
117691380,2ptp4l0-21swapper/321:18:053
117691380,2ptp4l0-21swapper/319:30:193
117691380,1ptp4l0-21swapper/320:49:023
117691370,3ptp4l0-21swapper/320:15:333
117691370,2ptp4l0-21swapper/323:40:233
117691370,2ptp4l0-21swapper/323:31:433
117691370,2ptp4l0-21swapper/322:30:383
117691370,2ptp4l0-21swapper/322:17:303
117691370,2ptp4l0-21swapper/322:11:543
117691370,2ptp4l0-21swapper/321:55:463
117691370,2ptp4l0-21swapper/321:30:223
117691370,2ptp4l0-21swapper/321:23:103
117691370,2ptp4l0-21swapper/321:14:243
117691370,2ptp4l0-21swapper/321:06:483
117691370,2ptp4l0-21swapper/321:00:153
117691370,2ptp4l0-21swapper/320:29:403
117691370,2ptp4l0-21swapper/319:42:493
117691370,2ptp4l0-21swapper/319:39:173
117691370,2ptp4l0-21swapper/300:36:033
117691370,2ptp4l0-21swapper/300:25:153
117691360,2ptp4l0-21swapper/320:34:423
117691360,2ptp4l0-21swapper/320:12:573
117691360,2ptp4l0-21swapper/320:02:093
117691360,2ptp4l0-21swapper/300:34:003
117691360,1ptp4l0-21swapper/322:58:423
117691360,1ptp4l0-21swapper/322:58:413
117691360,1ptp4l0-21swapper/322:40:563
117691350,1ptp4l0-21swapper/319:51:133
117691350,1ptp4l0-21swapper/319:46:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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