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2024-09-12 - 12:10
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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 Thu Sep 12, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305242720,0sleep030527-21grep23:10:180
993726957,8sleep10-21swapper/119:07:201
803526653,8sleep00-21swapper/019:04:560
10371993311,21cyclictest10489-21kworker/1:223:19:301
10371993123,6cyclictest14813-21apache223:27:571
10371992820,5cyclictest14813-21apache200:30:491
10370992827,0cyclictest7-21ksoftirqd/021:18:330
10370992818,9cyclictest14813-21apache223:20:170
10370992727,0cyclictest0-21swapper/019:46:040
10370992724,1cyclictest0-21swapper/023:15:400
10370992711,5cyclictest14813-21apache200:37:420
10371992626,0cyclictest0-21swapper/121:25:521
10371992610,8cyclictest0-21swapper/122:10:091
10370992626,0cyclictest0-21swapper/021:38:100
10370992613,6cyclictest0-21swapper/023:09:120
10370992610,6cyclictest0-21swapper/022:10:100
10370992610,12cyclictest0-21swapper/021:29:500
10371992519,5cyclictest14813-21apache222:51:351
10371992510,6cyclictest0-21swapper/122:08:221
10371992510,14cyclictest0-21swapper/100:08:451
10370992519,4cyclictest14813-21apache200:14:110
1037199246,13cyclictest0-21swapper/121:37:361
10371992424,0cyclictest0-21swapper/122:49:131
10371992424,0cyclictest0-21swapper/121:57:021
10371992410,8cyclictest0-21swapper/122:15:571
10370992421,2cyclictest1667-21modprobe19:57:470
10370992418,5cyclictest14813-21apache219:33:130
10371992320,2cyclictest0-21swapper/123:10:131
10371992312,10cyclictest12609-21kworker/1:219:44:261
10370992319,1cyclictest18985-21/usr/sbin/munin19:25:100
1037099231,14cyclictest13124-21/usr/sbin/munin23:30:100
1037199224,10cyclictest0-21swapper/120:50:111
10371992221,1cyclictest817-21apache200:35:081
10371992210,5cyclictest0-21swapper/121:52:131
1037099225,16cyclictest17372-21kworker/u4:200:02:220
10370992217,4cyclictest1809-21diskmemload21:56:210
10370992210,5cyclictest0-21swapper/023:45:120
10370992210,3cyclictest0-21swapper/021:31:520
10370992210,0cyclictest0-21swapper/022:25:420
1864822110,1sleep00-21swapper/020:33:500
1037199215,10cyclictest0-21swapper/121:10:151
10371992120,1cyclictest0-21swapper/122:23:441
10371992113,4cyclictest14840-21apache219:32:571
10371992111,4cyclictest0-21swapper/123:23:161
10371992111,3cyclictest0-21swapper/119:15:061
10371992110,5cyclictest0-21swapper/123:30:121
10371992110,5cyclictest0-21swapper/121:43:101
1037199210,20cyclictest991-21processes22:30:141
10370992118,1cyclictest0-21swapper/000:23:320
10370992113,5cyclictest14813-21apache219:23:350
10370992110,9cyclictest0-21swapper/000:15:020
10370992110,8cyclictest0-21swapper/000:33:230
10370992110,2cyclictest0-21swapper/019:38:560
1037099210,20cyclictest0-21swapper/000:05:110
1037099210,11cyclictest0-21swapper/020:45:060
2777322010,0sleep10-21swapper/123:08:061
126622010,0sleep00-21swapper/021:49:520
1037199208,5cyclictest1809-21diskmemload00:00:131
1037199205,8cyclictest0-21swapper/119:20:081
10371992018,2cyclictest14840-21apache223:52:371
10371992015,4cyclictest12492-21/usr/sbin/munin00:15:061
10371992012,4cyclictest0-21swapper/123:40:491
10371992010,9cyclictest0-21swapper/100:22:541
10371992010,8cyclictest28766-21ls19:45:151
10371992010,8cyclictest0-21swapper/123:39:501
10371992010,6cyclictest0-21swapper/119:35:081
10371992010,5cyclictest0-21swapper/120:40:061
10371992010,5cyclictest0-21swapper/120:15:081
10371992010,4cyclictest21763-21sendmail-msp22:59:551
10371992010,4cyclictest0-21swapper/123:01:131
1037199200,16cyclictest19276-21cstates21:30:081
1037099208,5cyclictest14813-21apache221:14:160
1037099206,9cyclictest0-21swapper/022:06:120
1037099206,9cyclictest0-21swapper/020:25:160
1037099203,9cyclictest0-21swapper/019:40:070
10370992020,0cyclictest81ktimersoftd/021:22:460
10370992019,1cyclictest14813-21apache223:03:450
1037099201,18cyclictest12277-21rm23:28:190
10370992010,4cyclictest0-21swapper/022:41:180
10370992010,3cyclictest0-21swapper/022:54:550
10370992010,3cyclictest0-21swapper/000:25:400
10370992010,2cyclictest0-21swapper/022:54:580
1037099200,19cyclictest0-21swapper/022:16:560
1037099200,17cyclictest0-21swapper/019:14:440
2934821910,0sleep00-21swapper/021:42:510
2268421910,0sleep00-21swapper/020:40:410
1174621910,0sleep10-21swapper/100:13:381
1037199194,9cyclictest0-21swapper/121:15:111
1037199193,9cyclictest0-21swapper/119:55:141
10371991917,2cyclictest231ktimersoftd/122:34:581
10371991916,1cyclictest14813-21apache223:58:101
10371991913,5cyclictest9209-21sh22:00:071
10371991910,5cyclictest0-21swapper/100:25:161
10371991910,4cyclictest0-21swapper/120:25:091
10371991910,4cyclictest0-21swapper/119:50:071
10371991910,3cyclictest0-21swapper/120:00:121
10371991910,2cyclictest0-21swapper/122:41:251
1037099193,10cyclictest0-21swapper/020:00:070
10370991918,1cyclictest0-21swapper/020:07:010
10370991911,3cyclictest0-21swapper/021:50:100
10370991910,4cyclictest636-21nscd23:54:550
1037199188,6cyclictest0-21swapper/121:45:121
1037199188,3cyclictest27835-21/usr/sbin/munin20:55:061
1037199184,8cyclictest0-21swapper/119:10:051
10371991810,4cyclictest0-21swapper/120:20:011
1037099183,8cyclictest0-21swapper/022:45:140
1037099183,5cyclictest0-21swapper/023:35:060
10370991813,3cyclictest0-21swapper/021:00:140
10370991810,3cyclictest0-21swapper/021:05:070
1869221710,0sleep10-21swapper/120:34:171
1037199175,9cyclictest0-21swapper/120:46:131
1037199174,11cyclictest0-21swapper/122:25:121
1037199173,3cyclictest0-21swapper/121:05:091
10371991716,0cyclictest231ktimersoftd/119:27:071
10371991713,3cyclictest14840-21apache220:10:261
10371991711,4cyclictest0-21swapper/120:05:141
10371991710,3cyclictest0-21swapper/121:20:441
10371991710,2cyclictest0-21swapper/123:45:271
1037099173,8cyclictest0-21swapper/022:20:130
1037099172,5cyclictest13923-21grep19:15:140
10370991716,1cyclictest10368-21cyclictest22:30:130
10370991715,1cyclictest7-21ksoftirqd/022:35:080
10370991714,1cyclictest23151-21rm23:44:330
10370991713,0cyclictest0-21swapper/020:15:070
10370991710,1cyclictest0-21swapper/023:55:300
1037199163,9cyclictest0-21swapper/120:35:071
1037099167,8cyclictest0-21swapper/020:35:070
10370991610,3cyclictest0-21swapper/020:12:250
10370991610,1cyclictest0-21swapper/022:00:080
10370991510,1cyclictest0-21swapper/019:52:420
1037199146,7cyclictest0-21swapper/121:00:081
1037099143,7cyclictest0-21swapper/020:55:050
1037099143,6cyclictest0-21swapper/020:20:070
10370991413,1cyclictest134-21jbd2/sda1-820:50:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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