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2026-05-03 - 15:07
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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 Sun May 03, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2888627058,8sleep10-21swapper/107:07:561
90502690,0sleep00-21swapper/011:52:320
2864626750,8sleep00-21swapper/007:05:240
29175993534,1cyclictest0-21swapper/010:00:500
2917699322,28cyclictest0-21swapper/112:08:201
2917699300,4cyclictest0-21swapper/112:10:271
29175993010,0cyclictest0-21swapper/011:07:140
29176992910,15cyclictest0-21swapper/110:21:141
29176992810,0cyclictest0-21swapper/111:44:221
29176992710,10cyclictest0-21swapper/109:49:121
2917699270,26cyclictest0-21swapper/110:37:251
2917699270,25cyclictest0-21swapper/112:02:291
29175992717,4cyclictest6607-21apache208:08:120
29176992610,13cyclictest0-21swapper/107:28:341
2917699260,23cyclictest0-21swapper/107:54:151
2917699260,15cyclictest0-21swapper/108:04:131
29175992624,1cyclictest25332-21ssh09:26:340
29175992611,4cyclictest0-21swapper/010:24:210
29175992610,7cyclictest0-21swapper/011:00:440
29175992610,6cyclictest0-21swapper/011:45:190
29176992521,3cyclictest0-21swapper/110:44:581
29176992520,4cyclictest6607-21apache208:11:331
29176992510,3cyclictest0-21swapper/111:43:061
2917699250,22cyclictest100350irq/108-eth1-tx10:14:191
29175992522,2cyclictest0-21swapper/009:51:590
29175992519,2cyclictest0-21swapper/011:20:110
29176992417,4cyclictest6636-21apache209:21:511
29176992410,6cyclictest0-21swapper/110:27:131
2917699240,21cyclictest0-21swapper/110:59:181
2917599246,11cyclictest0-21swapper/008:34:150
29175992410,6cyclictest0-21swapper/011:14:260
29175992410,6cyclictest0-21swapper/008:19:150
29175992410,11cyclictest0-21swapper/012:34:200
2917699233,19cyclictest0-21swapper/109:40:271
29176992318,5cyclictest6567-21kworker/1:109:01:131
29176992318,4cyclictest0-21swapper/109:56:401
29176992310,8cyclictest0-21swapper/111:04:131
29176992310,13cyclictest0-21swapper/112:29:031
29176992310,12cyclictest23472-21kworker/1:009:35:051
29176992310,11cyclictest0-21swapper/108:54:121
2917599234,9cyclictest100150irq/106-eth1-rx11:13:260
2917599232,2cyclictest0-21swapper/009:47:590
29175992320,2cyclictest0-21swapper/010:11:200
29175992311,11cyclictest0-21swapper/007:12:050
29175992310,6cyclictest0-21swapper/009:36:370
29175992310,5cyclictest0-21swapper/010:17:210
29175992310,10cyclictest0-21swapper/012:07:080
2917699226,8cyclictest0-21swapper/108:49:211
29176992221,1cyclictest6607-21apache211:51:251
29176992217,3cyclictest6607-21apache209:29:011
29176992214,3cyclictest30759-21sh10:57:121
29176992210,8cyclictest0-21swapper/111:37:061
2917699220,0cyclictest0-21swapper/110:04:571
29175992221,1cyclictest0-21swapper/008:30:090
29175992220,1cyclictest19048-21ssh10:42:030
29175992217,3cyclictest6607-21apache211:40:170
29175992212,4cyclictest134-21jbd2/sda1-807:54:210
29175992210,7cyclictest4131-21kworker/u4:110:54:510
29175992210,3cyclictest0-21swapper/009:55:410
2917599220,9cyclictest24009-21ssh11:29:220
2917699214,16cyclictest0-21swapper/112:35:591
2917699214,13cyclictest0-21swapper/108:44:131
2917699213,6cyclictest0-21swapper/109:16:111
29176992119,1cyclictest6636-21apache211:09:531
29176992110,6cyclictest0-21swapper/110:31:051
29176992110,5cyclictest0-21swapper/111:54:151
2917699210,17cyclictest0-21swapper/109:31:581
29175992113,1cyclictest81ktimersoftd/011:58:300
29175992112,5cyclictest100150irq/106-eth1-rx12:14:370
29175992110,6cyclictest0-21swapper/007:34:120
29175992110,5cyclictest0-21swapper/009:09:360
29175992110,4cyclictest0-21swapper/010:29:160
29175992110,3cyclictest0-21swapper/009:23:030
29175992110,10cyclictest0-21swapper/012:30:310
2917599210,1cyclictest0-21swapper/008:24:050
2917699205,11cyclictest0-21swapper/107:14:211
2917699201,9cyclictest0-21swapper/110:39:151
29176992019,1cyclictest0-21swapper/112:27:371
29176992011,2cyclictest0-21swapper/109:09:531
2917699201,11cyclictest0-21swapper/110:52:591
29176992010,2cyclictest0-21swapper/112:22:161
2917699200,8cyclictest0-21swapper/107:59:161
2917599204,12cyclictest744-21snmpd09:42:030
29175992015,4cyclictest6607-21apache211:25:560
29175992010,7cyclictest0-21swapper/010:04:240
29175992010,6cyclictest0-21swapper/012:09:130
29175992010,3cyclictest0-21swapper/010:51:340
29175992010,3cyclictest0-21swapper/010:44:020
2917599200,13cyclictest0-21swapper/007:44:180
2917699197,4cyclictest29173-21cyclictest12:14:091
2917699196,12cyclictest0-21swapper/111:24:131
2917699193,14cyclictest27819-21apache_volume08:29:121
2917699192,9cyclictest0-21swapper/107:39:161
2917699192,10cyclictest0-21swapper/107:49:201
29176991915,3cyclictest802-21apache207:11:331
29176991910,6cyclictest0-21swapper/109:59:541
29176991910,6cyclictest0-21swapper/109:48:281
29176991910,6cyclictest0-21swapper/107:34:161
29176991910,5cyclictest0-21swapper/107:29:161
29176991910,4cyclictest0-21swapper/110:10:221
29176991910,3cyclictest0-21swapper/108:24:141
2917599197,11cyclictest0-21swapper/007:14:410
2917599195,11cyclictest21555-21taskset08:10:370
2917599194,10cyclictest0-21swapper/008:14:200
2917599193,11cyclictest0-21swapper/008:59:210
29175991916,2cyclictest6607-21apache212:25:550
29175991915,3cyclictest29400-21/usr/sbin/munin12:19:170
29175991910,2cyclictest0-21swapper/009:29:130
2917599190,9cyclictest0-21swapper/010:34:140
2917699186,9cyclictest6567-21kworker/1:108:43:231
29176991810,4cyclictest0-21swapper/109:04:151
2917699180,8cyclictest0-21swapper/111:29:021
29175991817,1cyclictest802-21apache207:49:430
29175991816,2cyclictest29173-21cyclictest12:03:460
29175991810,6cyclictest0-21swapper/010:23:390
29175991810,6cyclictest0-21swapper/007:24:220
29175991810,3cyclictest0-21swapper/009:05:320
29175991810,2cyclictest0-21swapper/011:37:220
29176991713,3cyclictest11442-21rm11:14:141
29176991711,4cyclictest231ktimersoftd/111:19:121
2917699171,11cyclictest0-21swapper/108:14:131
29176991710,4cyclictest0-21swapper/108:19:211
2917599172,8cyclictest0-21swapper/007:29:140
29175991715,1cyclictest6837-21munin-run08:59:020
29175991715,1cyclictest17497-21ls07:59:210
29175991715,1cyclictest0-21swapper/008:41:020
29175991710,3cyclictest0-21swapper/009:14:180
2917699162,6cyclictest0-21swapper/107:19:131
29176991610,3cyclictest0-21swapper/108:34:141
29175991610,3cyclictest0-21swapper/008:44:150
29175991610,2cyclictest0-21swapper/008:49:130
29176991510,2cyclictest0-21swapper/107:44:231
29175991510,2cyclictest0-21swapper/007:39:530
29175991410,2cyclictest0-21swapper/007:19:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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