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2025-05-02 - 12:17
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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 100 highest latencies:
System rackcslot2.osadl.org (updated Fri May 02, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1731627852,8sleep00-21swapper/019:04:340
1765127449,21sleep10-21swapper/119:08:051
32212670,1sleep10-21swapper/121:13:181
41982660,0sleep00-21swapper/023:19:100
177632600,2sleep01785499cyclictest23:38:190
120542570,0sleep00-21swapper/022:05:380
17854993310,22cyclictest0-21swapper/023:58:540
17854992928,1cyclictest1320-21sh21:09:580
17855992828,0cyclictest0-21swapper/120:33:381
17855992810,14cyclictest0-21swapper/100:37:281
17854992827,1cyclictest0-21swapper/022:22:300
17855992710,3cyclictest0-21swapper/122:55:111
17855992610,1cyclictest0-21swapper/123:31:381
17855992610,13cyclictest0-21swapper/122:31:101
17854992616,6cyclictest0-21swapper/021:43:380
17855992525,0cyclictest0-21swapper/100:18:591
17855992517,6cyclictest598-21lldpd22:04:071
17855992512,12cyclictest0-21swapper/121:51:381
17855992510,8cyclictest0-21swapper/119:08:351
1785499253,21cyclictest0-21swapper/023:48:540
17854992525,0cyclictest0-21swapper/023:26:520
17854992523,1cyclictest2797-21/usr/sbin/munin19:53:360
17854992517,2cyclictest1111-21runrttasks19:08:510
17855992422,1cyclictest23474-21turbostat19:23:181
17855992412,4cyclictest13658-21ssh21:25:571
17855992411,7cyclictest0-21swapper/123:25:251
17855992411,6cyclictest0-21swapper/123:03:401
1785599240,19cyclictest0-21swapper/120:19:571
17854992410,6cyclictest0-21swapper/021:16:150
17855992316,4cyclictest30391-21apache222:19:281
1785599231,2cyclictest0-21swapper/123:42:381
17855992310,9cyclictest0-21swapper/121:38:541
1785499236,9cyclictest0-21swapper/019:13:320
17854992322,0cyclictest81ktimersoftd/023:38:370
17854992321,1cyclictest30407-21apache222:01:100
17854992310,4cyclictest0-21swapper/019:33:390
1785599225,10cyclictest0-21swapper/120:43:371
17855992222,0cyclictest0-21swapper/123:52:361
17855992221,1cyclictest0-21swapper/122:52:351
17855992220,2cyclictest30391-21apache219:13:351
17855992212,8cyclictest0-21swapper/100:26:361
17855992211,3cyclictest0-21swapper/123:58:381
17855992210,3cyclictest0-21swapper/120:38:381
1785599220,19cyclictest0-21swapper/122:44:051
1785599220,15cyclictest0-21swapper/123:22:241
1785499222,5cyclictest0-21swapper/021:38:510
1785499221,19cyclictest0-21swapper/022:13:080
17854992211,7cyclictest97950irq/108-eth1-tx00:29:150
17854992210,9cyclictest0-21swapper/000:05:220
17854992210,7cyclictest0-21swapper/022:58:400
17854992210,4cyclictest0-21swapper/022:48:310
17854992210,3cyclictest0-21swapper/022:23:390
17854992210,3cyclictest0-21swapper/020:34:450
588722110,0sleep00-21swapper/022:39:060
17855992116,2cyclictest26780-21rm21:43:231
17855992110,5cyclictest0-21swapper/122:08:311
1785599210,3cyclictest0-21swapper/121:55:291
1785499215,9cyclictest0-21swapper/021:33:400
1785499215,6cyclictest0-21swapper/022:53:400
17854992114,2cyclictest81ktimersoftd/023:58:190
17854992110,8cyclictest30391-21apache221:32:510
17854992110,5cyclictest0-21swapper/021:20:220
17854992110,4cyclictest0-21swapper/023:29:190
17854992110,4cyclictest0-21swapper/019:58:340
17854992110,11cyclictest0-21swapper/023:47:170
1785499210,2cyclictest0-21swapper/020:29:340
3104922010,0sleep00-21swapper/021:04:270
17855992018,1cyclictest636-21nscd23:57:221
17855992015,3cyclictest30407-21apache200:28:431
17855992010,9cyclictest0-21swapper/123:12:041
17855992010,6cyclictest0-21swapper/123:18:051
17855992010,4cyclictest0-21swapper/123:33:321
17855992010,3cyclictest0-21swapper/100:15:481
1785599200,19cyclictest0-21swapper/122:13:321
1785599200,12cyclictest0-21swapper/121:59:451
1785499207,8cyclictest0-21swapper/000:13:390
17854992018,1cyclictest28490-21ssh00:35:180
17854992015,3cyclictest160072chrt20:27:590
17854992015,1cyclictest0-21swapper/021:51:300
17854992012,2cyclictest0-21swapper/021:57:440
17854992010,5cyclictest0-21swapper/000:22:260
17854992010,2cyclictest0-21swapper/020:58:360
1492822010,0sleep10-21swapper/121:28:221
17855991918,1cyclictest0-21swapper/100:08:311
1785599191,7cyclictest0-21swapper/122:23:401
17855991916,2cyclictest817-21apache219:23:201
17855991910,5cyclictest0-21swapper/122:34:551
17855991910,4cyclictest0-21swapper/122:38:311
17855991910,4cyclictest0-21swapper/120:29:051
17855991910,3cyclictest0-21swapper/121:18:361
17855991910,3cyclictest0-21swapper/121:04:321
1785599190,11cyclictest0-21swapper/119:58:361
1785499194,6cyclictest0-21swapper/020:48:340
1785499192,7cyclictest9723-21taskset22:44:190
17854991918,1cyclictest0-21swapper/020:42:000
17854991910,4cyclictest0-21swapper/020:13:480
17854991910,3cyclictest0-21swapper/000:09:140
17854991910,2cyclictest0-21swapper/023:10:320
17854991910,2cyclictest0-21swapper/020:09:400
662721810,0sleep00-21swapper/020:03:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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