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2026-05-25 - 07:25
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3.osadl.org (updated Mon May 25, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3165335996461,2cyclictest0-21swapper/121:46:521
3165335996438,25cyclictest3350697-21kworker/1:100:15:141
3165335996361,1cyclictest0-21swapper/120:10:271
3165335996360,2cyclictest0-21swapper/120:57:121
3165335996360,2cyclictest0-21swapper/120:36:211
3165335996360,2cyclictest0-21swapper/100:25:011
316533599630,62cyclictest0-21swapper/121:38:221
316533599630,62cyclictest0-21swapper/119:16:441
3165335996259,2cyclictest0-21swapper/122:32:361
3165335996245,15cyclictest1902607-1kworker/1:0H20:20:141
3165335996245,15cyclictest1902607-1kworker/1:0H20:00:141
3165335996245,15cyclictest1902607-1kworker/1:0H20:00:131
316533599620,61cyclictest0-21swapper/122:00:071
3165335996159,1cyclictest0-21swapper/123:50:311
3165335996159,1cyclictest0-21swapper/120:27:221
3165335996158,2cyclictest0-21swapper/100:39:211
3165335996146,14cyclictest3190006-21kworker/1:220:40:161
3165335996042,17cyclictest1902607-1kworker/1:0H21:42:211
3165335995941,17cyclictest3300254-21kworker/1:023:00:151
3165335995940,18cyclictest1902607-1kworker/1:0H19:30:001
3165335995938,19cyclictest3209960-21kworker/1:021:25:321
3165335995843,14cyclictest3200450-21kworker/1:321:01:541
3165335995841,16cyclictest3205194-21kworker/1:121:15:151
3165335995841,16cyclictest3205194-21kworker/1:121:15:151
3165335995841,16cyclictest3174234-21kworker/1:019:45:131
3165335995840,17cyclictest1902607-1kworker/1:0H22:50:111
3165335995839,18cyclictest3295457-21kworker/1:223:10:011
3165335995836,21cyclictest3174234-21kworker/1:019:40:131
3165335995742,14cyclictest3379926-21kworker/1:200:25:111
3165335995742,14cyclictest3350697-21kworker/1:100:30:001
3165335995742,14cyclictest3317026-21kworker/1:323:30:071
3165335995742,14cyclictest3309838-21kworker/1:023:15:141
3165335995742,14cyclictest3200450-21kworker/1:321:05:151
3165335995742,14cyclictest3170345-21kworker/1:219:30:141
3165335995740,16cyclictest3317026-21kworker/1:323:45:141
3165335995740,16cyclictest3243349-21kworker/1:222:05:141
3165335995740,16cyclictest3233809-21kworker/1:021:53:211
3165335995740,16cyclictest3179600-21kworker/1:119:55:151
3165335995737,18cyclictest3209960-21kworker/1:021:20:141
3165335995641,14cyclictest3360385-21kworker/1:200:05:311
3165335995641,14cyclictest3317026-21kworker/1:323:55:141
3165335995641,14cyclictest3317026-21kworker/1:323:45:011
3165335995641,14cyclictest3273294-21kworker/1:122:28:211
3165335995641,14cyclictest3243349-21kworker/1:221:55:011
3165335995641,14cyclictest3195263-21kworker/1:020:45:021
3165335995641,14cyclictest3182954-21kworker/1:020:19:511
3165335995641,14cyclictest1902607-1kworker/1:0H23:25:131
3165335995640,15cyclictest3295457-21kworker/1:222:55:121
3165335995640,15cyclictest3190006-21kworker/1:220:30:141
3165335995640,14cyclictest3334273-1kworker/1:2H00:10:141
3165335995639,16cyclictest3317026-21kworker/1:323:35:181
3165335995638,17cyclictest3258296-21kworker/1:322:15:141
3165340995551,2cyclictest3186033-21kworker/2:220:27:122
3165340995550,3cyclictest1059397-1kworker/2:1H00:00:142
3165335995540,14cyclictest3182954-21kworker/1:020:05:221
3165335995540,14cyclictest3182954-21kworker/1:020:05:221
3165335995540,14cyclictest1902607-1kworker/1:0H20:50:141
3165335995537,17cyclictest3355550-21kworker/1:000:00:151
3165335995537,16cyclictest3174234-21kworker/1:019:50:181
3165335995535,18cyclictest3278076-21kworker/1:222:35:141
3165340995450,2cyclictest3186033-21kworker/2:220:16:222
3165335995439,14cyclictest3263593-21kworker/1:122:20:131
3165335995439,14cyclictest3162578-21kworker/1:119:20:331
3165335995437,16cyclictest3282922-21kworker/1:022:45:161
316533599541,51cyclictest3325461-21systemd-run23:25:001
3165334995450,2cyclictest3009916-1kworker/0:2H00:39:210
3165341995348,3cyclictest197269-1kworker/3:0H23:37:463
3165335995338,14cyclictest3295457-21kworker/1:223:10:131
3165335995337,15cyclictest3214701-21kworker/1:221:30:061
3165335995337,15cyclictest3162578-21kworker/1:119:14:221
3165335995337,15cyclictest1902607-1kworker/1:0H19:35:141
3165341995249,2cyclictest3280062-21kworker/3:023:04:473
3165341995248,3cyclictest3173478-21kworker/3:120:13:223
3165341995247,3cyclictest197269-1kworker/3:0H20:55:313
3165340995248,2cyclictest3179597-21kworker/2:020:07:322
3165340995248,2cyclictest3179597-21kworker/2:020:07:322
3165335995250,1cyclictest0-21swapper/121:10:461
3165341995148,2cyclictest3187904-21kworker/3:221:01:473
3165341995148,2cyclictest3187904-21kworker/3:220:26:213
3165341995147,3cyclictest3173478-21kworker/3:119:36:223
3165341995146,3cyclictest3173478-21kworker/3:119:40:213
3165340995147,2cyclictest3247852-21kworker/2:222:03:222
3165340995146,3cyclictest1059397-1kworker/2:1H22:20:362
3165340995146,3cyclictest1059397-1kworker/2:1H00:10:002
316533599511,49cyclictest0-21swapper/122:10:161
3165334995147,2cyclictest3009916-1kworker/0:2H19:32:220
3165334995146,3cyclictest3009916-1kworker/0:2H20:32:110
3165341995047,2cyclictest3187904-21kworker/3:220:32:493
3165341995046,3cyclictest3187904-21kworker/3:220:22:423
3165341995046,2cyclictest3358724-21kworker/3:000:06:473
3165341995046,2cyclictest3216789-21kworker/3:122:27:523
3165340995046,2cyclictest3365252-21kworker/2:100:13:582
3165340995045,3cyclictest1059397-1kworker/2:1H19:25:142
3165335995035,14cyclictest1902607-1kworker/1:0H22:40:131
3165334995045,3cyclictest3250653-21kworker/0:223:09:210
3165334995044,3cyclictest3009916-1kworker/0:2H23:30:160
3165341994946,2cyclictest3166796-21kworker/3:219:32:213
3165340994946,2cyclictest3192470-21kworker/2:220:36:522
3165340994944,3cyclictest3256657-21kworker/2:022:13:012
3165340994944,3cyclictest1059397-1kworker/2:1H00:31:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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