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2026-06-03 - 08:33
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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 Wed Jun 03, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58812700,0sleep10-21swapper/121:10:371
2578126956,8sleep10-21swapper/119:07:001
2420526755,8sleep00-21swapper/019:03:550
215212580,0sleep00-21swapper/022:57:420
224032540,1sleep00-21swapper/000:25:200
26134993810,4cyclictest0-21swapper/121:33:471
26134993510,12cyclictest0-21swapper/123:55:261
26132993533,1cyclictest81ktimersoftd/021:23:580
2613499321,8cyclictest0-21swapper/123:33:571
26134993110,19cyclictest0-21swapper/100:33:321
26132993110,20cyclictest0-21swapper/022:35:400
26134993010,14cyclictest0-21swapper/122:45:191
2613499295,9cyclictest9952-21/usr/sbin/munin19:59:051
26132992927,1cyclictest7-21ksoftirqd/020:03:470
26132992926,2cyclictest9385-21ssh00:08:290
26132992910,4cyclictest0-21swapper/020:26:380
26134992810,10cyclictest0-21swapper/123:20:241
2613499271,4cyclictest0-21swapper/100:36:481
26134992610,9cyclictest0-21swapper/123:00:571
2613499260,23cyclictest0-21swapper/121:54:501
26132992619,4cyclictest763-21ssh22:29:050
26132992617,6cyclictest1872-21apache223:53:380
26132992610,12cyclictest0-21swapper/023:20:430
26134992410,10cyclictest0-21swapper/120:09:001
26132992415,8cyclictest29848-21ssh00:35:110
26132992412,4cyclictest100250irq/107-eth1-rx22:23:380
26132992410,7cyclictest0-21swapper/022:10:260
26132992410,5cyclictest100350irq/108-eth1-tx22:18:150
26132992410,2cyclictest0-21swapper/000:14:130
26132992410,11cyclictest0-21swapper/021:16:480
2613299240,23cyclictest0-21swapper/023:44:010
2613299240,23cyclictest0-21swapper/022:49:060
2613299240,23cyclictest0-21swapper/022:49:060
26134992322,0cyclictest0-21swapper/119:16:561
26134992320,2cyclictest1857-21apache221:03:591
26134992319,3cyclictest5142-21rm00:01:231
2613499231,0cyclictest3523-21diskmemload23:17:581
2613299234,10cyclictest0-21swapper/020:54:020
2613299233,11cyclictest3523-21diskmemload22:43:590
26132992321,1cyclictest7-21ksoftirqd/023:28:470
26132992315,4cyclictest1025-21munin-node21:20:540
26132992310,1cyclictest0-21swapper/021:49:090
2613299230,12cyclictest0-21swapper/023:59:030
2613499227,11cyclictest0-21swapper/120:59:011
2613499226,10cyclictest0-21swapper/100:04:031
2613499224,16cyclictest0-21swapper/122:32:531
26134992212,7cyclictest14304-21ssh22:04:051
26134992210,7cyclictest0-21swapper/100:19:051
2613299223,18cyclictest0-21swapper/023:18:100
26132992218,2cyclictest1199-21runrttasks22:42:490
26132992217,4cyclictest0-21swapper/021:54:010
26132992214,6cyclictest28853-21cstates19:18:550
26132992211,2cyclictest0-21swapper/021:33:580
26132992210,6cyclictest0-21swapper/022:23:570
2613499217,11cyclictest0-21swapper/123:39:041
2613499216,10cyclictest0-21swapper/100:24:021
2613499213,10cyclictest0-21swapper/122:39:091
26134992120,1cyclictest0-21swapper/122:25:321
26134992119,1cyclictest802-21apache221:48:301
26134992116,4cyclictest1857-21apache219:13:311
26134992115,4cyclictest744-21snmpd20:44:291
26134992110,9cyclictest0-21swapper/123:45:151
26134992110,4cyclictest0-21swapper/120:14:071
2613499210,13cyclictest0-21swapper/122:14:361
26132992112,3cyclictest0-21swapper/000:09:060
26132992110,5cyclictest0-21swapper/020:39:050
26132992110,4cyclictest0-21swapper/000:31:330
26132992110,2cyclictest0-21swapper/023:08:580
2613299210,7cyclictest0-21swapper/020:04:100
2613299210,20cyclictest0-21swapper/022:06:040
2613499205,8cyclictest0-21swapper/121:59:081
26134992018,1cyclictest705-21ntpd22:12:031
26134992012,5cyclictest1872-21apache223:52:431
26134992012,3cyclictest9993-21ssh23:24:071
26134992010,9cyclictest0-21swapper/121:29:491
26134992010,5cyclictest0-21swapper/122:55:441
26134992010,3cyclictest0-21swapper/123:08:551
26132992019,0cyclictest1872-21apache221:42:370
26132992013,5cyclictest0-21swapper/020:18:580
26132992011,3cyclictest0-21swapper/019:28:510
26132992010,5cyclictest0-21swapper/023:38:030
26132992010,5cyclictest0-21swapper/022:02:090
26132992010,10cyclictest0-21swapper/020:10:010
2613299200,8cyclictest0-21swapper/019:44:070
1845422010,0sleep10-21swapper/121:27:471
2613499197,9cyclictest0-21swapper/120:53:561
2613499196,12cyclictest0-21swapper/119:33:561
2613499196,10cyclictest0-21swapper/120:29:011
2613499194,7cyclictest3265-21munin-run19:43:461
2613499192,7cyclictest0-21swapper/120:27:391
26134991918,0cyclictest0-21swapper/121:40:371
26134991915,4cyclictest802-21apache223:05:401
26134991912,4cyclictest744-21snmpd22:21:161
26134991910,6cyclictest0-21swapper/119:54:231
26134991910,5cyclictest0-21swapper/100:08:591
2613299192,6cyclictest28190-21munin-run20:48:470
26132991917,1cyclictest12677-21cpuspeed_turbos23:28:590
26132991916,3cyclictest100250irq/107-eth1-rx23:56:090
26132991910,6cyclictest0-21swapper/020:59:010
26132991910,2cyclictest0-21swapper/021:32:060
2613299190,9cyclictest0-21swapper/019:48:570
116821910,0sleep00-21swapper/021:47:270
2613499181,8cyclictest0-21swapper/120:34:001
26134991817,0cyclictest0-21swapper/121:52:511
26134991810,3cyclictest0-21swapper/121:13:551
26134991810,2cyclictest0-21swapper/119:43:591
2613299184,10cyclictest0-21swapper/020:48:580
26132991810,7cyclictest0-21swapper/019:11:420
26132991810,4cyclictest0-21swapper/021:12:000
2613299180,5cyclictest0-21swapper/023:00:310
2393421810,0sleep00-21swapper/020:34:440
26134991716,1cyclictest18156-21ssh22:53:251
26134991716,1cyclictest18156-21ssh22:53:251
26134991715,1cyclictest705-21ntpd20:51:471
26134991714,2cyclictest26130-21cyclictest20:04:071
26134991712,4cyclictest15230-21latency_hist21:23:471
2613299173,6cyclictest0-21swapper/023:04:010
26132991717,0cyclictest0-21swapper/019:54:020
26132991711,3cyclictest0-21swapper/019:41:580
26132991711,2cyclictest0-21swapper/000:22:030
2613299171,10cyclictest20500-21hddtemp_smartct23:39:000
26132991710,4cyclictest8532sleep019:34:470
2613299170,2cyclictest0-21swapper/020:30:010
17932170,1sleep01796-21cpuspeed_turbos21:03:590
2836221610,0sleep00-21swapper/019:16:570
2613499164,3cyclictest31612-21tune2fs19:28:561
2613499162,6cyclictest4448-21/usr/sbin/munin22:34:031
26134991612,3cyclictest3523-21diskmemload00:13:551
26134991612,1cyclictest13028-21idleruntime23:29:011
26134991611,4cyclictest1199-21runrttasks20:21:181
2613499160,8cyclictest0-21swapper/119:48:571
26132991613,3cyclictest0-21swapper/019:27:470
2613499156,5cyclictest28930-21/usr/sbin/munin19:18:551
2613499152,8cyclictest0-21swapper/120:38:581
26134991515,0cyclictest0-21swapper/119:24:061
26132991510,1cyclictest0-21swapper/020:13:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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