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2026-09-07 - 11:02
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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 Sep 07, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
268852820,1sleep00-21swapper/000:21:560
758527261,7sleep00-21swapper/019:04:570
68432690,0sleep00-21swapper/023:52:010
761726847,17sleep10-21swapper/119:05:161
8054993210,22cyclictest0-21swapper/000:17:540
8055993010,2cyclictest0-21swapper/122:41:141
8054993010,13cyclictest0-21swapper/019:28:110
8054993010,0cyclictest0-21swapper/021:44:400
8054992828,0cyclictest0-21swapper/022:45:240
805599270,10cyclictest0-21swapper/121:18:081
805499270,26cyclictest0-21swapper/023:28:370
8055992621,3cyclictest100450irq/109-eth1-tx22:49:201
8055992619,6cyclictest12647-21apache223:16:391
8054992624,1cyclictest0-21swapper/000:31:340
805499260,23cyclictest16819-21ssh00:06:040
805499260,23cyclictest0-21swapper/021:48:400
8055992523,2cyclictest231ktimersoftd/100:28:101
8055992523,1cyclictest9750-21users23:08:201
8054992519,4cyclictest12620-21apache222:39:150
8054992510,12cyclictest0-21swapper/019:37:520
805499250,20cyclictest0-21swapper/021:13:130
8055992415,6cyclictest12620-21apache223:07:011
8055992412,9cyclictest21674-21diskmemload21:17:001
8055992410,11cyclictest0-21swapper/100:10:421
805499241,5cyclictest0-21swapper/021:23:460
8055992317,4cyclictest12647-21apache222:46:071
8055992310,3cyclictest100250irq/107-eth1-rx00:23:101
805599230,12cyclictest0-21swapper/119:38:121
805499233,12cyclictest0-21swapper/023:38:160
8054992310,7cyclictest0-21swapper/021:33:290
805499230,2cyclictest4361-21munin-run20:22:570
805599226,9cyclictest0-21swapper/123:58:131
805599226,12cyclictest0-21swapper/121:03:091
8055992219,1cyclictest0-21swapper/100:18:101
8055992210,0cyclictest0-21swapper/121:38:051
805499224,15cyclictest0-21swapper/022:18:140
8054992220,1cyclictest0-21swapper/022:54:450
8054992217,4cyclictest12647-21apache220:12:170
805499220,5cyclictest0-21swapper/022:32:100
805599219,3cyclictest0-21swapper/121:58:131
8055992117,3cyclictest32752-21/usr/sbin/munin23:43:151
8055992116,4cyclictest12620-21apache222:53:211
8055992115,4cyclictest0-21swapper/121:30:351
8055992110,9cyclictest0-21swapper/120:53:141
8055992110,5cyclictest0-21swapper/123:33:081
8055992110,0cyclictest0-21swapper/119:50:001
8054992121,0cyclictest0-21swapper/022:23:370
8054992115,1cyclictest18729-21sh22:35:010
8054992113,3cyclictest13124-21runrttasks21:40:160
8054992110,8cyclictest0-21swapper/000:33:100
8054992110,7cyclictest0-21swapper/021:18:420
8054992110,5cyclictest0-21swapper/000:23:150
8054992110,3cyclictest0-21swapper/023:33:080
8054992110,2cyclictest81ktimersoftd/020:03:110
805499210,3cyclictest0-21swapper/022:06:590
805599204,8cyclictest0-21swapper/123:29:341
805599203,12cyclictest0-21swapper/119:23:091
8055992015,4cyclictest12647-21apache200:37:301
8055992015,2cyclictest0-21swapper/119:34:291
8055992012,4cyclictest0-21swapper/123:39:231
805599201,18cyclictest15194-21kworker/1:023:51:061
8055992011,5cyclictest12620-21apache222:31:031
8055992010,8cyclictest0-21swapper/122:03:111
8055992010,7cyclictest0-21swapper/121:24:391
8055992010,6cyclictest0-21swapper/123:53:161
8055992010,4cyclictest0-21swapper/121:08:151
8055992010,3cyclictest0-21swapper/123:18:101
8055992010,3cyclictest0-21swapper/120:38:081
805499205,7cyclictest0-21swapper/023:58:150
805499201,9cyclictest17739-21df00:08:110
8054992015,5cyclictest12620-21apache223:09:360
8054992014,4cyclictest12620-21apache223:01:140
8054992010,4cyclictest0-21swapper/019:08:140
8054992010,3cyclictest0-21swapper/023:45:360
8054992010,3cyclictest0-21swapper/022:09:270
805599195,9cyclictest0-21swapper/122:23:091
805599195,7cyclictest0-21swapper/120:58:091
805599194,11cyclictest0-21swapper/119:53:161
805599193,9cyclictest0-21swapper/119:28:111
805599191,2cyclictest0-21swapper/100:15:031
8055991911,1cyclictest0-21swapper/122:15:521
8055991910,5cyclictest0-21swapper/122:58:121
8055991910,4cyclictest0-21swapper/122:08:121
8055991910,3cyclictest0-21swapper/119:43:091
8055991910,2cyclictest0-21swapper/122:33:101
8055991910,2cyclictest0-21swapper/120:33:091
8055991910,0cyclictest0-21swapper/100:04:551
805499196,12cyclictest650-21nscd23:24:330
8054991915,3cyclictest12620-21apache219:59:300
8054991914,3cyclictest81ktimersoftd/021:08:120
8054991911,6cyclictest100250irq/107-eth1-rx21:32:390
8054991910,4cyclictest0-21swapper/023:03:560
8054991910,4cyclictest0-21swapper/021:58:370
8054991910,3cyclictest0-21swapper/020:53:130
2354821910,0sleep00-21swapper/021:55:170
805599188,5cyclictest4869-21hddtemp_smartct20:23:111
805599184,3cyclictest21674-21diskmemload21:47:051
805599183,8cyclictest0-21swapper/121:48:131
8055991818,0cyclictest0-21swapper/120:28:391
805599181,2cyclictest0-21swapper/119:08:101
8055991811,5cyclictest100250irq/107-eth1-rx22:21:151
8055991811,2cyclictest0-21swapper/121:53:261
8055991810,3cyclictest0-21swapper/119:58:151
805499187,3cyclictest0-21swapper/020:28:180
805499185,8cyclictest0-21swapper/023:17:570
805499184,6cyclictest0-21swapper/022:47:590
805499182,10cyclictest18318-21fschecks_time20:58:110
8054991811,3cyclictest0-21swapper/022:13:090
8054991810,6cyclictest0-21swapper/023:22:310
8054991810,5cyclictest0-21swapper/020:35:130
8054991810,4cyclictest0-21swapper/023:53:150
8054991810,4cyclictest0-21swapper/019:38:130
8054991810,3cyclictest0-21swapper/020:48:090
2102821810,0sleep10-21swapper/123:25:271
1357821810,3sleep10-21swapper/119:21:231
805599175,7cyclictest0-21swapper/119:13:121
805599172,7cyclictest0-21swapper/120:18:101
8055991710,3cyclictest0-21swapper/121:33:111
805499173,4cyclictest0-21swapper/020:23:130
8054991710,4cyclictest0-21swapper/019:23:090
8054991710,3cyclictest0-21swapper/020:13:100
805599161,8cyclictest0-21swapper/120:08:121
8055991610,4cyclictest0-21swapper/120:47:001
8055991610,2cyclictest0-21swapper/120:48:161
805499164,5cyclictest10564-21tune2fs20:38:110
805499163,8cyclictest0-21swapper/019:53:140
8054991615,1cyclictest23689-21df19:48:100
8054991610,5cyclictest11654-21kworker/0:221:05:070
8054991610,3cyclictest0-21swapper/020:43:090
805599154,7cyclictest0-21swapper/120:03:291
805599151,7cyclictest0-21swapper/120:15:191
805499155,5cyclictest0-21swapper/019:18:130
805499154,6cyclictest22107-21/usr/sbin/munin19:43:120
8054991510,2cyclictest0-21swapper/019:13:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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