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2023-12-09 - 00:21
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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 rackdslot4.osadl.org (updated Fri Dec 08, 2023 12:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1757721730,8sleep21289899cyclictest11:55:202
2780921600,7sleep01289699cyclictest08:50:200
2780921600,7sleep01289699cyclictest08:50:190
129891152130,9phc2sys0-21swapper/307:09:453
849021030,8sleep01289699cyclictest10:25:280
12503210380,10sleep00-21swapper/007:09:490
129991960,2ptp4l24105-21/usr/sbin/munin11:00:383
12896998369,9cyclictest9-21ksoftirqd/012:20:200
175342800,9sleep21289899cyclictest09:35:312
17102800,3sleep20-21swapper/207:55:002
12899997663,7cyclictest41-21ksoftirqd/309:00:173
1289799766,21cyclictest30764-21awk07:45:341
24392740,6sleep12438-21sed10:10:401
24392740,6sleep12438-21sed10:10:401
12899997462,7cyclictest41-21ksoftirqd/309:35:173
129991690,2ptp4l391rcuc/311:10:163
1289799697,8cyclictest1258-21lldpd11:29:591
12896996956,7cyclictest9-21ksoftirqd/011:40:190
12899996854,9cyclictest41-21ksoftirqd/308:35:193
12897996831,8cyclictest25-21ksoftirqd/108:26:381
12897996732,7cyclictest25-21ksoftirqd/109:44:161
12897996631,7cyclictest25-21ksoftirqd/107:34:201
181612650,4sleep11258-21lldpd11:55:271
12899996555,6cyclictest41-21ksoftirqd/308:20:173
1289799656,8cyclictest21543-21ls07:25:391
1289799655,8cyclictest1242-21snmpd08:15:001
1289799653,7cyclictest1258-21lldpd09:35:251
12897996531,5cyclictest25-21ksoftirqd/107:44:161
12897996531,4cyclictest25-21ksoftirqd/112:24:031
12897996531,4cyclictest25-21ksoftirqd/111:51:471
12897996529,7cyclictest25-21ksoftirqd/110:35:291
1289799646,10cyclictest3125-21apt-get10:15:181
1289799644,8cyclictest30859-21irqstats08:55:301
12897996432,4cyclictest25-21ksoftirqd/112:18:591
12897996432,4cyclictest25-21ksoftirqd/110:46:401
12897996432,4cyclictest25-21ksoftirqd/108:34:411
12897996431,7cyclictest25-21ksoftirqd/110:58:351
12897996431,4cyclictest25-21ksoftirqd/112:25:331
12897996431,4cyclictest25-21ksoftirqd/109:53:071
12897996430,7cyclictest25-21ksoftirqd/110:07:111
12897996429,7cyclictest25-21ksoftirqd/111:12:051
129991630,1ptp4l391rcuc/312:16:103
12897996331,4cyclictest25-21ksoftirqd/112:10:581
12897996330,7cyclictest25-21ksoftirqd/108:22:391
12897996330,4cyclictest25-21ksoftirqd/110:42:281
12897996329,7cyclictest25-21ksoftirqd/108:46:571
129991620,1ptp4l391rcuc/310:48:373
12897996230,4cyclictest25-21ksoftirqd/111:03:351
12897996230,4cyclictest25-21ksoftirqd/110:31:241
12897996230,4cyclictest25-21ksoftirqd/110:23:081
12897996230,4cyclictest25-21ksoftirqd/108:35:381
12897996230,4cyclictest25-21ksoftirqd/108:17:371
12897996230,4cyclictest25-21ksoftirqd/107:57:421
12897996229,4cyclictest25-21ksoftirqd/109:10:401
12897996228,7cyclictest25-21ksoftirqd/109:00:501
12897996228,5cyclictest25-21ksoftirqd/111:47:561
1289799620,8cyclictest3265-21ls09:05:281
129991610,1ptp4l391rcuc/311:16:403
129991610,1ptp4l391rcuc/311:16:403
12897996129,4cyclictest25-21ksoftirqd/108:50:501
12897996129,4cyclictest25-21ksoftirqd/108:50:491
12897996129,4cyclictest25-21ksoftirqd/108:42:311
12897996129,4cyclictest25-21ksoftirqd/107:52:241
12897996128,7cyclictest25-21ksoftirqd/110:25:371
1289799610,7cyclictest241ktimersoftd/111:15:191
1289799610,7cyclictest241ktimersoftd/111:15:191
12897996029,4cyclictest25-21ksoftirqd/109:45:351
12897996029,4cyclictest25-21ksoftirqd/107:36:201
12897996027,7cyclictest25-21ksoftirqd/112:07:111
12897996027,7cyclictest25-21ksoftirqd/111:24:121
12897996027,7cyclictest25-21ksoftirqd/111:24:121
12897996027,7cyclictest25-21ksoftirqd/110:02:151
1289799600,10cyclictest25-21ksoftirqd/112:35:351
12897995928,4cyclictest25-21ksoftirqd/110:51:161
12897995928,4cyclictest25-21ksoftirqd/109:28:541
12897995928,4cyclictest25-21ksoftirqd/108:06:331
12897995927,7cyclictest25-21ksoftirqd/111:39:501
12897995927,7cyclictest25-21ksoftirqd/107:19:141
12896995949,5cyclictest9-21ksoftirqd/010:45:210
129991580,1ptp4l401ktimersoftd/307:16:203
12897995828,8cyclictest25-21ksoftirqd/112:31:461
12897995828,8cyclictest25-21ksoftirqd/112:31:461
12897995828,4cyclictest25-21ksoftirqd/112:01:581
12897995827,4cyclictest25-21ksoftirqd/111:06:051
12897995827,4cyclictest25-21ksoftirqd/109:58:111
12897995827,4cyclictest25-21ksoftirqd/109:30:571
12897995726,4cyclictest25-21ksoftirqd/111:31:481
12897995726,4cyclictest25-21ksoftirqd/108:01:041
12896995751,3cyclictest9-21ksoftirqd/009:20:010
1289799562,6cyclictest7395-21diskstats09:15:211
12896995649,3cyclictest9-21ksoftirqd/009:30:000
12896995638,5cyclictest9-21ksoftirqd/008:40:210
1238025634,11sleep125-21ksoftirqd/107:08:221
1289899556,46cyclictest12174-21fschecks_time09:25:222
12899995439,8cyclictest41-21ksoftirqd/311:35:173
12896995448,3cyclictest9-21ksoftirqd/009:00:000
12896995447,4cyclictest9-21ksoftirqd/007:15:000
1289699540,3cyclictest121rcu_preempt11:55:190
12899995341,7cyclictest41-21ksoftirqd/308:05:193
12899995336,10cyclictest41-21ksoftirqd/311:55:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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