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2026-06-02 - 10:12
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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 Tue Jun 02, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42052850,1sleep04203-21seq21:48:590
2353527251,17sleep00-21swapper/019:06:290
2358926754,8sleep10-21swapper/119:07:041
145042620,1sleep10-21swapper/122:44:131
23937993029,1cyclictest0-21swapper/022:52:070
2393799290,5cyclictest13125-21/usr/sbin/munin22:44:050
23938992810,11cyclictest0-21swapper/121:23:051
23937992828,0cyclictest0-21swapper/021:43:440
23938992710,7cyclictest0-21swapper/123:38:571
23938992610,10cyclictest0-21swapper/100:31:481
23937992618,7cyclictest24837-21apache222:43:210
23938992513,11cyclictest0-21swapper/121:17:391
23937992525,0cyclictest0-21swapper/022:58:580
23937992522,2cyclictest5185-21diskmemload22:33:310
23937992510,9cyclictest0-21swapper/021:26:150
23937992510,11cyclictest0-21swapper/022:01:270
23938992422,1cyclictest32262-21ssh22:25:011
23938992419,2cyclictest0-21swapper/121:31:411
23938992410,10cyclictest0-21swapper/123:59:111
23937992420,2cyclictest10858-21sh21:14:150
23937992410,6cyclictest0-21swapper/019:39:070
2393799240,24cyclictest0-21swapper/020:02:500
2393899235,8cyclictest5185-21diskmemload22:14:001
23938992323,0cyclictest0-21swapper/121:46:191
23938992322,1cyclictest231ktimersoftd/122:53:591
23938992310,9cyclictest0-21swapper/123:14:321
23938992310,3cyclictest0-21swapper/123:01:071
2393899230,19cyclictest17872-21rm00:15:301
23937992311,5cyclictest0-21swapper/000:19:080
23937992310,4cyclictest0-21swapper/021:04:060
2704322210,0sleep10-21swapper/121:35:251
2393899222,19cyclictest0-21swapper/123:54:441
23938992220,1cyclictest636-21nscd23:29:351
23938992218,3cyclictest24837-21apache223:36:321
2393899221,2cyclictest0-21swapper/100:33:551
23938992211,5cyclictest100350irq/108-eth1-tx22:05:041
23938992210,7cyclictest0-21swapper/122:21:061
23938992210,7cyclictest0-21swapper/121:40:041
23938992210,6cyclictest100350irq/108-eth1-tx21:51:431
23938992210,5cyclictest0-21swapper/122:12:511
2393799226,10cyclictest3491-21apache_volume23:14:000
23937992220,1cyclictest7-21ksoftirqd/020:28:480
2393799220,1cyclictest0-21swapper/023:55:260
711322110,1sleep00-21swapper/000:00:470
2393899214,8cyclictest7372-21df_inode23:18:591
2393899212,2cyclictest0-21swapper/100:25:341
23938992115,5cyclictest24867-21apache219:52:461
23938992113,3cyclictest0-21swapper/100:21:281
23938992111,3cyclictest0-21swapper/121:24:091
23938992110,7cyclictest0-21swapper/123:09:011
23938992110,4cyclictest0-21swapper/122:38:571
23937992121,0cyclictest0-21swapper/022:23:520
23937992121,0cyclictest0-21swapper/020:53:340
23937992118,3cyclictest24837-21apache200:28:320
23937992117,1cyclictest0-21swapper/023:47:480
2393799211,16cyclictest5185-21diskmemload00:17:250
23937992110,5cyclictest0-21swapper/021:44:080
23937992110,0cyclictest0-21swapper/019:28:550
2393899209,10cyclictest0-21swapper/120:59:081
2393899204,11cyclictest0-21swapper/120:48:591
23938992017,2cyclictest24837-21apache220:44:101
23938992015,4cyclictest10397-21ssh21:57:081
23938992011,2cyclictest0-21swapper/120:14:041
23938992010,9cyclictest0-21swapper/100:08:301
23938992010,6cyclictest0-21swapper/119:28:591
23938992010,3cyclictest0-21swapper/123:06:421
2393899200,9cyclictest0-21swapper/122:33:591
2393899200,6cyclictest0-21swapper/123:52:291
2393799208,3cyclictest22439-21ssh21:29:060
2393799202,8cyclictest0-21swapper/023:34:000
2393799202,14cyclictest0-21swapper/019:53:590
23937992015,4cyclictest0-21swapper/022:06:080
23937992013,5cyclictest100150irq/106-eth1-rx23:39:080
23937992012,3cyclictest12866-21cstates20:03:590
23937992011,2cyclictest0-21swapper/021:58:220
23937992010,5cyclictest25862-21munin-node00:34:330
23937992010,5cyclictest0-21swapper/022:19:050
23937992010,5cyclictest0-21swapper/020:13:590
23937992010,4cyclictest0-21swapper/019:14:570
23937992010,0cyclictest0-21swapper/022:16:420
2393799200,3cyclictest744-21snmpd00:09:090
1843522010,0sleep10-21swapper/122:49:331
1057522010,3sleep10-21swapper/119:58:141
771421910,0sleep00-21swapper/023:19:030
2393899195,7cyclictest0-21swapper/120:03:581
2393899195,6cyclictest0-21swapper/121:09:011
2393899193,11cyclictest0-21swapper/119:59:031
23938991911,4cyclictest24837-21apache220:33:591
23938991910,6cyclictest0-21swapper/122:28:591
23938991910,6cyclictest0-21swapper/119:44:001
23938991910,5cyclictest0-21swapper/119:13:591
23938991910,3cyclictest0-21swapper/120:08:591
2393799194,7cyclictest0-21swapper/019:44:080
2393799193,9cyclictest0-21swapper/023:09:080
23937991913,3cyclictest25862-21munin-node20:47:330
23937991911,3cyclictest0-21swapper/023:31:320
23937991910,7cyclictest0-21swapper/019:19:040
23937991910,5cyclictest0-21swapper/020:39:000
23937991910,4cyclictest0-21swapper/022:34:090
23937991910,4cyclictest0-21swapper/022:13:240
23937991910,3cyclictest0-21swapper/020:34:090
3003021810,0sleep00-21swapper/000:32:100
2393899186,9cyclictest0-21swapper/120:19:001
23938991811,4cyclictest24867-21apache223:44:061
23938991810,3cyclictest0-21swapper/123:24:011
23937991816,1cyclictest0-21swapper/022:55:540
23937991815,1cyclictest24867-21apache223:07:010
23937991813,3cyclictest100250irq/107-eth1-rx23:49:020
23937991813,0cyclictest23935-21cyclictest23:24:070
23937991810,6cyclictest0-21swapper/020:57:210
23937991810,3cyclictest0-21swapper/000:05:080
2195921810,0sleep10-21swapper/120:26:511
536221710,0sleep00-21swapper/021:08:540
2393899176,5cyclictest12478-21/usr/sbin/munin00:09:031
2393899173,6cyclictest31527-21idleruntime-cro19:28:471
23938991710,5cyclictest0-21swapper/121:59:371
23938991710,3cyclictest0-21swapper/120:39:091
23938991710,3cyclictest0-21swapper/120:29:011
2393899170,10cyclictest0-21swapper/119:34:001
2393799175,5cyclictest0-21swapper/020:58:590
23937991710,4cyclictest0-21swapper/019:49:000
23937991710,4cyclictest0-21swapper/019:23:590
23937991710,2cyclictest0-21swapper/021:34:010
2393899165,5cyclictest0-21swapper/121:04:001
2393899164,6cyclictest4898-21sh19:43:471
2393899164,6cyclictest32737-21ntp_states20:54:081
2393799167,4cyclictest5185-21diskmemload21:19:030
2393799164,4cyclictest0-21swapper/020:08:590
2393799163,7cyclictest0-21swapper/019:35:030
2393799160,8cyclictest0-21swapper/019:09:000
23938991510,3cyclictest0-21swapper/119:18:591
23938991510,3cyclictest0-21swapper/119:09:011
2393799153,7cyclictest0-21swapper/020:19:080
2393799143,4cyclictest0-21swapper/020:28:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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