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2025-12-09 - 19:59
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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 rack1slot1.osadl.org (updated Tue Dec 09, 2025 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127742227156,57sleep00-21swapper/007:05:390
127742227156,57sleep00-21swapper/007:05:380
129812207159,23sleep30-21swapper/307:08:243
129812207159,23sleep30-21swapper/307:08:233
130322206150,43sleep20-21swapper/207:09:032
130322206150,43sleep20-21swapper/207:09:022
130752203166,24sleep10-21swapper/107:09:341
130752203166,24sleep10-21swapper/107:09:341
213402690,0sleep10-21swapper/111:44:481
244872590,0sleep30-21swapper/307:30:133
13211992120,1cyclictest9-21ksoftirqd/008:05:010
13211991918,1cyclictest9-21ksoftirqd/011:11:140
13211991918,1cyclictest9-21ksoftirqd/010:40:150
13211991918,1cyclictest9-21ksoftirqd/010:05:130
13211991918,1cyclictest9-21ksoftirqd/010:00:220
13211991918,0cyclictest9-21ksoftirqd/012:23:360
13211991917,1cyclictest9-21ksoftirqd/012:14:390
1322099175,12cyclictest0-21swapper/108:55:221
13211991717,0cyclictest9-21ksoftirqd/009:53:280
13211991717,0cyclictest9-21ksoftirqd/007:25:230
13211991716,1cyclictest9-21ksoftirqd/009:59:300
13211991716,1cyclictest9-21ksoftirqd/009:59:300
13211991716,1cyclictest9-21ksoftirqd/008:55:190
13211991716,0cyclictest9-21ksoftirqd/010:25:200
223482160,1sleep121-21ksoftirqd/109:30:151
1321199169,1cyclictest9-21ksoftirqd/009:25:120
1321199168,7cyclictest9-21ksoftirqd/010:20:140
13211991616,0cyclictest9-21ksoftirqd/012:19:570
13211991616,0cyclictest9-21ksoftirqd/011:56:060
13211991616,0cyclictest9-21ksoftirqd/010:34:190
13211991616,0cyclictest9-21ksoftirqd/009:49:170
13211991616,0cyclictest9-21ksoftirqd/008:40:110
13211991615,1cyclictest9-21ksoftirqd/011:30:100
13211991615,1cyclictest9-21ksoftirqd/010:55:220
13211991615,1cyclictest9-21ksoftirqd/009:23:260
13211991615,1cyclictest9-21ksoftirqd/008:00:000
13211991614,1cyclictest9-21ksoftirqd/010:35:210
102372160,0sleep20-21swapper/212:14:402
13211991515,0cyclictest9-21ksoftirqd/010:54:320
13211991515,0cyclictest9-21ksoftirqd/010:47:050
13211991515,0cyclictest9-21ksoftirqd/010:14:380
13211991515,0cyclictest9-21ksoftirqd/009:41:440
13211991514,1cyclictest9-21ksoftirqd/012:32:390
13211991514,1cyclictest9-21ksoftirqd/012:07:590
13211991514,1cyclictest9-21ksoftirqd/009:09:470
13211991513,1cyclictest9-21ksoftirqd/011:05:120
13211991513,1cyclictest9-21ksoftirqd/009:20:000
13211991414,0cyclictest9-21ksoftirqd/011:50:580
13211991414,0cyclictest9-21ksoftirqd/008:20:190
13211991413,1cyclictest9-21ksoftirqd/011:35:030
13211991413,1cyclictest9-21ksoftirqd/008:30:110
13211991413,1cyclictest9-21ksoftirqd/008:25:110
13211991413,1cyclictest9-21ksoftirqd/007:35:190
13211991412,1cyclictest9-21ksoftirqd/007:50:180
13211991412,1cyclictest9-21ksoftirqd/007:15:010
13211991410,4cyclictest9-21ksoftirqd/008:10:000
6362130,0sleep10-21swapper/112:00:141
297922130,0sleep10-21swapper/108:50:141
1323299130,2cyclictest15557-21munin-node11:23:102
13211991313,0cyclictest9-21ksoftirqd/009:36:580
13211991312,1cyclictest9-21ksoftirqd/012:25:150
13211991312,1cyclictest9-21ksoftirqd/012:25:140
13211991312,1cyclictest9-21ksoftirqd/011:45:110
13211991312,1cyclictest9-21ksoftirqd/011:25:200
13211991312,1cyclictest9-21ksoftirqd/011:05:010
13211991312,1cyclictest9-21ksoftirqd/008:45:160
13211991312,1cyclictest9-21ksoftirqd/008:39:470
13211991312,0cyclictest9-21ksoftirqd/012:35:130
13211991311,1cyclictest9-21ksoftirqd/011:44:590
13211991311,1cyclictest9-21ksoftirqd/009:10:180
13211991311,1cyclictest9-21ksoftirqd/008:14:590
13241991211,1cyclictest35-21ksoftirqd/311:24:263
1324199120,6cyclictest0-21swapper/310:16:373
13211991211,1cyclictest9-21ksoftirqd/012:00:100
13211991211,1cyclictest9-21ksoftirqd/011:20:210
13211991211,1cyclictest9-21ksoftirqd/011:15:160
13211991211,1cyclictest9-21ksoftirqd/009:30:010
13211991211,1cyclictest9-21ksoftirqd/007:20:200
13211991211,1cyclictest9-21ksoftirqd/007:15:020
13211991210,1cyclictest9-21ksoftirqd/007:45:000
1324199110,8cyclictest0-21swapper/311:35:123
13211991110,1cyclictest9-21ksoftirqd/010:15:110
13211991110,1cyclictest9-21ksoftirqd/009:00:100
13211991110,1cyclictest9-21ksoftirqd/008:55:000
13211991110,1cyclictest9-21ksoftirqd/008:15:000
13211991110,1cyclictest9-21ksoftirqd/007:45:120
13211991110,1cyclictest9-21ksoftirqd/007:30:110
228372100,7sleep335-21ksoftirqd/309:30:163
1324199100,6cyclictest7277-21/usr/sbin/munin11:25:153
1324199100,4cyclictest32611-21apt-get11:15:153
1323299106,3cyclictest60950irq/123-eno111:59:562
1323299106,3cyclictest60950irq/123-eno110:53:552
1323299104,1cyclictest20961-21ssh09:27:552
1323299102,1cyclictest10623-21apt-get12:15:122
1323299100,8cyclictest0-21swapper/208:45:142
1323299100,7cyclictest254-21systemd-journal09:19:402
1323299100,6cyclictest22638-21apt-get08:35:102
1323299100,2cyclictest254-21systemd-journal08:55:012
132419998,1cyclictest35-21ksoftirqd/311:53:063
132419990,6cyclictest11770-21ssh10:00:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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