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2026-09-03 - 14:37
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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 rackcslot2.osadl.org (updated Thu Sep 03, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
988527451,17sleep00-21swapper/019:03:210
1044427057,9sleep10-21swapper/119:04:561
10918994310,32cyclictest0-21swapper/119:54:121
10918994210,32cyclictest0-21swapper/120:07:401
10918994210,31cyclictest0-21swapper/121:44:201
10918994110,30cyclictest0-21swapper/123:53:121
10918994110,30cyclictest0-21swapper/122:05:331
10918994010,29cyclictest0-21swapper/123:40:481
10918994010,29cyclictest0-21swapper/123:00:041
10918994010,29cyclictest0-21swapper/121:28:391
10918994010,29cyclictest0-21swapper/121:16:431
10918994010,29cyclictest0-21swapper/120:58:301
10918993910,29cyclictest0-21swapper/119:50:231
10918993910,28cyclictest0-21swapper/122:57:421
10918993910,28cyclictest0-21swapper/122:42:061
10918993910,28cyclictest0-21swapper/122:19:421
10918993910,28cyclictest0-21swapper/122:17:401
10918993910,28cyclictest0-21swapper/120:16:301
10918993910,26cyclictest0-21swapper/122:43:161
10918993810,28cyclictest0-21swapper/123:29:351
10918993810,28cyclictest0-21swapper/120:38:001
10918993810,28cyclictest0-21swapper/119:12:531
10918993810,27cyclictest0-21swapper/123:58:171
10918993810,27cyclictest0-21swapper/123:27:221
10918993810,27cyclictest0-21swapper/121:55:191
10918993810,27cyclictest0-21swapper/120:53:111
10918993810,27cyclictest0-21swapper/100:18:191
10918993716,20cyclictest0-21swapper/122:08:181
10918993714,22cyclictest0-21swapper/123:43:171
10918993710,27cyclictest0-21swapper/123:04:191
10918993710,26cyclictest0-21swapper/122:02:401
10918993710,26cyclictest0-21swapper/119:43:231
10918993710,26cyclictest0-21swapper/119:16:111
10918993610,26cyclictest0-21swapper/100:06:071
10918993610,25cyclictest0-21swapper/123:10:341
10918993610,25cyclictest0-21swapper/121:12:401
10918993610,25cyclictest0-21swapper/100:31:171
10918993610,24cyclictest0-21swapper/122:33:581
10918993610,21cyclictest0-21swapper/120:18:541
10918993510,24cyclictest0-21swapper/123:51:521
10918993510,24cyclictest0-21swapper/123:19:121
10918993510,24cyclictest0-21swapper/123:13:481
10918993510,24cyclictest0-21swapper/121:34:061
10918993510,24cyclictest0-21swapper/100:17:441
10918993510,21cyclictest0-21swapper/122:50:341
10918993410,5cyclictest0-21swapper/121:06:431
10918993410,3cyclictest0-21swapper/100:24:461
10918993410,24cyclictest0-21swapper/119:23:281
10918993410,23cyclictest0-21swapper/122:32:531
10918993410,23cyclictest0-21swapper/121:49:301
10918993410,23cyclictest0-21swapper/120:28:181
10918993410,23cyclictest0-21swapper/119:38:241
10918993410,22cyclictest0-21swapper/120:35:391
10918993410,21cyclictest0-21swapper/119:29:111
10918993410,20cyclictest0-21swapper/123:37:011
10918993310,23cyclictest0-21swapper/121:23:171
10918993310,21cyclictest0-21swapper/100:10:171
10918993310,18cyclictest0-21swapper/120:48:141
10918993210,22cyclictest0-21swapper/120:09:341
10918993210,21cyclictest0-21swapper/121:20:561
10918993210,21cyclictest0-21swapper/100:37:221
10918993210,21cyclictest0-21swapper/100:37:221
10917993210,21cyclictest0-21swapper/022:21:180
10918993110,16cyclictest0-21swapper/122:23:131
1091899302,27cyclictest20827-21/usr/sbin/munin19:33:121
10918993010,19cyclictest0-21swapper/120:45:121
10918993010,18cyclictest0-21swapper/119:19:251
1091899300,2cyclictest0-21swapper/121:41:191
1091799280,3cyclictest0-21swapper/022:16:010
1091899260,4cyclictest8474-21ls20:23:171
1091799263,22cyclictest0-21swapper/023:20:060
1091799253,11cyclictest0-21swapper/020:48:120
1091799250,1cyclictest0-21swapper/021:19:300
10918992410,4cyclictest0-21swapper/119:58:191
10917992413,6cyclictest17025-21ssh21:42:560
1091799239,7cyclictest0-21swapper/023:29:020
1091799232,17cyclictest100150irq/106-eth1-rx21:48:170
10917992313,7cyclictest20751-21apache222:52:480
10917992310,9cyclictest0-21swapper/022:09:170
10917992310,7cyclictest0-21swapper/021:35:360
10917992310,7cyclictest0-21swapper/020:16:230
10917992310,6cyclictest0-21swapper/023:43:020
1091799229,8cyclictest0-21swapper/022:38:160
10917992220,1cyclictest27357-21ssh21:10:560
10917992220,1cyclictest0-21swapper/022:23:530
10917992210,9cyclictest0-21swapper/022:57:370
10917992210,6cyclictest0-21swapper/000:20:530
10917992210,5cyclictest0-21swapper/021:58:120
10917992210,4cyclictest0-21swapper/023:08:200
10917992210,3cyclictest0-21swapper/019:33:100
1091799212,18cyclictest10154-21cron23:52:590
10917992111,5cyclictest100450irq/109-eth1-tx23:23:410
10917992110,9cyclictest0-21swapper/000:03:180
10917992110,2cyclictest0-21swapper/021:16:090
1091799210,15cyclictest29503-21apache_accesses00:23:110
1091799205,11cyclictest0-21swapper/022:33:150
1091799203,6cyclictest24437-21apache_volume21:53:110
10917992010,9cyclictest0-21swapper/000:00:540
10917992010,7cyclictest0-21swapper/021:03:100
10917992010,4cyclictest0-21swapper/023:33:110
10917992010,4cyclictest0-21swapper/022:03:160
10917992010,3cyclictest0-21swapper/020:23:100
2804621910,0sleep00-21swapper/022:43:420
1091799199,3cyclictest32537-21cpuspeed_turbos00:28:120
1091799195,6cyclictest0-21swapper/020:08:160
1091799193,9cyclictest0-21swapper/022:58:170
10917991918,0cyclictest0-21swapper/021:03:000
10917991917,1cyclictest7-21ksoftirqd/020:53:090
10917991917,1cyclictest0-21swapper/000:10:010
10917991910,9cyclictest0-21swapper/023:56:190
10917991910,3cyclictest0-21swapper/023:42:010
1811621810,0sleep00-21swapper/022:29:490
1091799181,16cyclictest0-21swapper/021:45:180
10917991811,1cyclictest100250irq/107-eth1-rx00:34:140
10917991811,1cyclictest100250irq/107-eth1-rx00:34:140
10917991811,1cyclictest0-21swapper/023:03:530
10917991810,4cyclictest0-21swapper/021:23:160
10917991810,3cyclictest0-21swapper/020:43:090
1447021710,0sleep00-21swapper/020:38:260
1091799174,6cyclictest26440-21munin-run00:17:590
1091799172,9cyclictest0-21swapper/019:48:120
1091799172,6cyclictest0-21swapper/019:28:100
10917991710,3cyclictest0-21swapper/023:13:170
10917991710,3cyclictest0-21swapper/021:29:460
10917991710,3cyclictest0-21swapper/020:28:140
1369521610,0sleep00-21swapper/019:13:170
1091799164,8cyclictest0-21swapper/019:18:190
1091799163,5cyclictest0-21swapper/019:08:120
10917991613,1cyclictest0-21swapper/019:43:140
10917991610,3cyclictest24578-21kworker/0:019:58:410
10917991610,3cyclictest0-21swapper/020:03:150
10917991610,1cyclictest0-21swapper/020:37:200
10917991610,1cyclictest0-21swapper/020:18:160
1091799160,9cyclictest0-21swapper/019:38:130
10917991515,0cyclictest0-21swapper/019:57:530
10917991511,2cyclictest1199-21runrttasks19:24:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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