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2026-04-06 - 14:16
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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 all highest latencies:
System rackcslot2.osadl.org (updated Mon Apr 06, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2200327554,16sleep10-21swapper/119:08:281
2165026754,8sleep00-21swapper/019:04:460
229192440,1sleep00-21swapper/023:04:310
22257993021,6cyclictest30372-21awk21:44:330
22257992925,2cyclictest81ktimersoftd/023:54:320
22258992810,11cyclictest0-21swapper/123:59:241
22257992826,1cyclictest7-21ksoftirqd/000:04:140
22258992725,1cyclictest0-21swapper/123:10:441
2225799270,23cyclictest0-21swapper/021:50:370
22258992610,14cyclictest0-21swapper/123:29:441
22257992623,0cyclictest10943-21kworker/u4:223:42:050
22257992610,8cyclictest22255-21cyclictest19:09:140
22257992610,12cyclictest0-21swapper/021:32:460
2225799260,5cyclictest0-21swapper/022:47:160
22258992524,1cyclictest0-21swapper/119:38:261
22258992520,2cyclictest231ktimersoftd/123:53:101
22258992510,4cyclictest0-21swapper/122:24:481
2225799252,22cyclictest0-21swapper/023:04:030
22257992521,3cyclictest10000-21apache222:58:070
22257992518,5cyclictest3457-21diskmemload00:35:080
22257992510,4cyclictest0-21swapper/022:24:300
22257992510,0cyclictest0-21swapper/021:35:210
22258992423,1cyclictest10000-21apache223:07:411
22258992410,6cyclictest0-21swapper/122:50:541
22258992410,14cyclictest0-21swapper/122:37:291
2225899240,3cyclictest0-21swapper/122:18:571
22257992420,3cyclictest9978-21apache200:21:040
22257992417,2cyclictest0-21swapper/020:39:270
2225799241,19cyclictest0-21swapper/022:49:580
22257992410,5cyclictest0-21swapper/023:44:260
682322310,3sleep10-21swapper/123:28:051
2225899237,13cyclictest0-21swapper/122:59:251
22258992320,3cyclictest9978-21apache200:34:381
22258992316,5cyclictest0-21swapper/100:18:331
22257992320,3cyclictest0-21swapper/023:19:170
22258992210,7cyclictest0-21swapper/121:35:311
22258992210,10cyclictest0-21swapper/121:19:261
2225899220,21cyclictest0-21swapper/121:13:221
2225799226,9cyclictest0-21swapper/022:19:270
2225799226,9cyclictest0-21swapper/022:09:300
22257992217,5cyclictest9978-21apache223:12:170
22257992217,2cyclictest6860-21apache_volume00:14:250
22257992216,6cyclictest0-21swapper/020:33:450
22257992216,4cyclictest22255-21cyclictest00:09:280
22257992213,5cyclictest0-21swapper/023:28:320
2225799221,18cyclictest0-21swapper/020:35:030
22257992211,5cyclictest0-21swapper/020:04:280
2225899214,10cyclictest0-21swapper/121:15:171
22258992118,1cyclictest6121-21sh22:40:281
22258992113,3cyclictest100150irq/106-eth1-rx23:42:241
22258992110,8cyclictest0-21swapper/121:51:391
22258992110,7cyclictest0-21swapper/123:35:171
22258992110,6cyclictest0-21swapper/122:54:241
2225799216,10cyclictest0-21swapper/019:14:310
22257992111,7cyclictest134-21jbd2/sda1-823:49:350
22257992111,4cyclictest0-21swapper/019:24:310
22257992110,9cyclictest0-21swapper/020:19:240
22257992110,8cyclictest0-21swapper/023:17:380
22257992110,7cyclictest0-21swapper/022:29:310
22257992110,7cyclictest0-21swapper/022:29:310
22257992110,6cyclictest0-21swapper/021:04:250
22257992110,3cyclictest0-21swapper/023:34:260
22257992110,3cyclictest0-21swapper/021:10:500
247022010,0sleep00-21swapper/022:35:190
2225899206,9cyclictest0-21swapper/119:09:261
2225899204,9cyclictest0-21swapper/120:04:261
22258992010,5cyclictest0-21swapper/100:26:191
22258992010,5cyclictest0-21swapper/100:19:301
22258992010,3cyclictest0-21swapper/121:29:531
22258992010,3cyclictest0-21swapper/120:49:321
22258992010,3cyclictest0-21swapper/100:29:271
22258992010,3cyclictest0-21swapper/100:14:141
2225799203,8cyclictest0-21swapper/019:54:290
22257992014,4cyclictest10000-21apache219:52:230
22257992012,5cyclictest100250irq/107-eth1-rx00:24:200
22257992010,3cyclictest0-21swapper/000:04:250
22257992010,2cyclictest0-21swapper/000:29:240
22257992010,10cyclictest0-21swapper/022:42:450
22257992010,0cyclictest0-21swapper/019:19:320
2225799200,1cyclictest19887-21grep22:14:330
2225899192,11cyclictest0-21swapper/120:54:261
22258991918,1cyclictest653-21munin-node22:31:111
22258991918,1cyclictest653-21munin-node22:31:111
22258991910,8cyclictest0-21swapper/100:04:451
22258991910,7cyclictest0-21swapper/121:54:291
22258991910,5cyclictest0-21swapper/121:43:221
22258991910,4cyclictest0-21swapper/120:44:251
22258991910,3cyclictest0-21swapper/122:11:061
22258991910,3cyclictest0-21swapper/121:59:171
22258991910,2cyclictest0-21swapper/119:19:251
2225799195,6cyclictest11890-21irqstats21:19:300
2225799194,9cyclictest0-21swapper/023:29:340
2225799194,13cyclictest0-21swapper/021:00:530
22257991918,0cyclictest100250irq/107-eth1-rx21:42:410
22257991916,2cyclictest10000-21apache221:24:490
22257991912,4cyclictest0-21swapper/021:54:230
22257991912,0cyclictest0-21swapper/020:27:160
22257991910,7cyclictest0-21swapper/019:39:330
22257991910,5cyclictest0-21swapper/021:15:570
22257991910,4cyclictest0-21swapper/020:09:250
2225799190,18cyclictest31862-21/usr/sbin/munin19:34:280
2225899183,10cyclictest0-21swapper/120:59:281
22258991814,3cyclictest10000-21apache223:23:101
22258991813,3cyclictest14830-21/usr/sbin/munin21:24:321
22258991811,5cyclictest100150irq/106-eth1-rx19:54:481
22258991810,6cyclictest0-21swapper/122:44:161
22258991810,3cyclictest0-21swapper/120:14:321
22258991810,3cyclictest0-21swapper/119:14:341
2225899180,2cyclictest0-21swapper/122:04:181
2225799183,8cyclictest0-21swapper/019:59:290
22257991810,4cyclictest0-21swapper/022:03:160
2225799180,0cyclictest0-21swapper/022:04:330
2217921810,0sleep10-21swapper/120:32:011
2776321710,0sleep10-21swapper/123:56:451
2225899176,2cyclictest0-21swapper/122:20:171
2225899172,10cyclictest0-21swapper/120:19:331
22258991712,2cyclictest802-21apache223:14:521
22258991710,4cyclictest0-21swapper/123:44:261
22258991710,3cyclictest0-21swapper/119:49:281
22258991710,3cyclictest0-21swapper/119:32:001
22258991710,1cyclictest0-21swapper/121:46:591
2225799175,6cyclictest0-21swapper/019:29:240
2225799174,4cyclictest3334-21apache_accesses19:44:250
2225799172,9cyclictest0-21swapper/020:49:330
22257991710,2cyclictest0-21swapper/020:54:580
1426621710,1sleep10-21swapper/120:09:381
2225899163,6cyclictest0-21swapper/119:41:411
22258991610,2cyclictest0-21swapper/119:59:251
22258991610,2cyclictest0-21swapper/119:24:261
2225899160,10cyclictest0-21swapper/121:04:261
2225899160,10cyclictest0-21swapper/120:39:241
22257991612,2cyclictest0-21swapper/020:14:300
22257991610,6cyclictest0-21swapper/020:44:270
22258991412,1cyclictest802-21apache220:28:001
22258991410,3cyclictest0-21swapper/120:34:371
22258991410,3cyclictest0-21swapper/119:44:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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