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2025-01-15 - 07:39
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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 Wed Jan 15, 2025 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6342204171,22sleep30-21swapper/319:08:553
3742203170,22sleep20-21swapper/219:05:412
6572202168,23sleep10-21swapper/119:09:131
3912202167,23sleep00-21swapper/019:05:470
7192163123,14sleep00-21swapper/019:10:010
1029995427,9cyclictest9-21ksoftirqd/000:00:130
1029995248,2cyclictest111rcuc/020:47:100
208302510,2sleep20-21swapper/223:30:012
1347915036,8phc2sys0-21swapper/319:10:003
102999493,5cyclictest9-21ksoftirqd/023:15:260
102999463,4cyclictest9-21ksoftirqd/023:46:400
102999454,9cyclictest9-21ksoftirqd/023:20:020
102999452,6cyclictest9-21ksoftirqd/021:15:180
102999443,4cyclictest9-21ksoftirqd/021:00:110
1029994429,4cyclictest9-21ksoftirqd/000:20:200
134991430,0ptp4l401ktimersoftd/321:10:353
102999435,9cyclictest9-21ksoftirqd/020:00:230
102999433,4cyclictest9-21ksoftirqd/019:25:230
134991420,0ptp4l401ktimersoftd/320:30:343
134991420,0ptp4l401ktimersoftd/319:24:093
102999423,5cyclictest101ktimersoftd/000:35:150
1029994226,9cyclictest9-21ksoftirqd/023:10:100
1032994134,4cyclictest41-21ksoftirqd/322:51:243
1031994134,4cyclictest8970-21cron23:00:012
1029994125,4cyclictest9-21ksoftirqd/021:50:000
1031994035,3cyclictest17021-21dump-pmu-power23:20:002
103199401,24cyclictest0-21swapper/221:32:312
102999405,4cyclictest9-21ksoftirqd/023:35:220
1029994036,2cyclictest111rcuc/019:40:010
1029994024,7cyclictest9-21ksoftirqd/023:55:130
102999401,4cyclictest9-21ksoftirqd/023:33:010
103299392,30cyclictest1264-21snmpd22:30:083
103199391,23cyclictest0-21swapper/221:25:452
103199390,4cyclictest10134-21grep19:25:232
102999394,5cyclictest9-21ksoftirqd/020:18:590
102999393,5cyclictest9-21ksoftirqd/021:05:230
102999392,6cyclictest9-21ksoftirqd/019:30:350
1029993923,4cyclictest9-21ksoftirqd/022:30:090
36998380,2rtkit-daemon0-21swapper/120:44:551
1032993815,21cyclictest13232-21sh19:35:003
102999384,6cyclictest9-21ksoftirqd/021:42:200
102999384,5cyclictest9-21ksoftirqd/022:06:580
1029993834,2cyclictest111rcuc/020:20:260
1032993731,4cyclictest41-21ksoftirqd/323:11:453
103199371,33cyclictest12334-21latency_hist00:25:012
1030993731,4cyclictest25-21ksoftirqd/121:49:271
102999373,7cyclictest9-21ksoftirqd/019:15:240
1029993733,2cyclictest111rcuc/023:04:080
1029993733,2cyclictest111rcuc/022:10:180
102999372,4cyclictest9-21ksoftirqd/020:52:080
102999370,5cyclictest9-21ksoftirqd/023:50:130
102999370,5cyclictest9-21ksoftirqd/023:50:130
1032993630,4cyclictest41-21ksoftirqd/323:51:243
1032993630,4cyclictest41-21ksoftirqd/323:51:243
1032993630,4cyclictest41-21ksoftirqd/323:05:543
1032993630,4cyclictest41-21ksoftirqd/322:08:223
1032993630,4cyclictest41-21ksoftirqd/321:07:333
1032993630,4cyclictest41-21ksoftirqd/320:55:093
1032993630,4cyclictest41-21ksoftirqd/320:44:183
1032993630,4cyclictest41-21ksoftirqd/300:25:053
1032993630,3cyclictest41-21ksoftirqd/320:20:133
1032993629,5cyclictest41-21ksoftirqd/320:40:003
103199369,24cyclictest359-21rs:main2
1031993630,4cyclictest33-21ksoftirqd/221:40:412
1031993630,4cyclictest33-21ksoftirqd/221:02:022
1031993630,3cyclictest33-21ksoftirqd/220:45:002
1031993629,5cyclictest33-21ksoftirqd/200:18:432
1031993612,21cyclictest20710-21cut19:50:002
103199360,2cyclictest155002sleep219:37:392
1030993630,4cyclictest25-21ksoftirqd/122:48:321
1030993630,4cyclictest25-21ksoftirqd/100:37:161
1030993630,4cyclictest25-21ksoftirqd/100:18:181
1030993629,4cyclictest25-21ksoftirqd/120:50:581
102999363,7cyclictest9-21ksoftirqd/021:57:290
102999363,7cyclictest9-21ksoftirqd/000:16:580
1029993633,2cyclictest111rcuc/022:35:170
1029993633,2cyclictest111rcuc/022:35:170
1029993633,2cyclictest111rcuc/021:20:120
1029993631,3cyclictest9-21ksoftirqd/021:10:270
1029993630,5cyclictest9-21ksoftirqd/019:45:160
1029993630,4cyclictest9-21ksoftirqd/021:34:220
1032993529,4cyclictest41-21ksoftirqd/322:36:063
1032993529,4cyclictest41-21ksoftirqd/322:36:053
1032993529,4cyclictest41-21ksoftirqd/319:52:363
1032993529,4cyclictest41-21ksoftirqd/300:08:013
1032993513,19cyclictest3592-21/usr/sbin/munin19:15:243
103299350,5cyclictest76152sleep300:15:123
1031993530,3cyclictest33-21ksoftirqd/222:12:552
1031993529,4cyclictest33-21ksoftirqd/222:47:132
1031993529,4cyclictest33-21ksoftirqd/221:35:442
1031993529,4cyclictest33-21ksoftirqd/220:13:412
1031993529,4cyclictest33-21ksoftirqd/200:37:212
1031993528,4cyclictest33-21ksoftirqd/223:01:252
103199352,29cyclictest28602-21apt-get22:30:082
103199350,3cyclictest25508-21chrt19:58:522
1030993531,3cyclictest25-21ksoftirqd/120:18:031
1030993530,3cyclictest8985-21grep23:00:011
1030993530,3cyclictest25-21ksoftirqd/123:12:381
1030993529,4cyclictest25-21ksoftirqd/119:20:121
1030993529,4cyclictest25-21ksoftirqd/100:14:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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