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2025-12-08 - 16:34
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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 Mon Dec 08, 2025 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146022234159,60sleep20-21swapper/207:06:542
124952230159,23sleep30-21swapper/307:05:013
147512203166,24sleep10-21swapper/107:08:491
145702200162,25sleep00-21swapper/007:06:270
14952992222,0cyclictest35-21ksoftirqd/312:25:213
14952991919,0cyclictest35-21ksoftirqd/310:25:213
14952991917,1cyclictest35-21ksoftirqd/309:15:153
14952991818,0cyclictest35-21ksoftirqd/311:15:113
14952991818,0cyclictest35-21ksoftirqd/310:40:023
14952991716,0cyclictest35-21ksoftirqd/307:15:103
14928991716,1cyclictest9-21ksoftirqd/011:00:230
1495299167,4cyclictest35-21ksoftirqd/308:15:113
14952991616,0cyclictest35-21ksoftirqd/311:25:233
14952991616,0cyclictest35-21ksoftirqd/307:40:123
14952991615,1cyclictest35-21ksoftirqd/312:05:173
249482150,0sleep00-21swapper/010:15:230
14952991515,0cyclictest35-21ksoftirqd/312:21:043
14952991515,0cyclictest35-21ksoftirqd/311:32:173
14952991515,0cyclictest35-21ksoftirqd/311:11:343
14952991515,0cyclictest35-21ksoftirqd/311:09:593
14952991515,0cyclictest35-21ksoftirqd/308:20:023
14952991514,1cyclictest35-21ksoftirqd/310:55:123
14952991414,0cyclictest35-21ksoftirqd/311:42:343
14952991414,0cyclictest35-21ksoftirqd/310:33:463
14952991414,0cyclictest35-21ksoftirqd/310:23:553
14952991413,1cyclictest35-21ksoftirqd/311:55:023
14952991413,1cyclictest35-21ksoftirqd/310:51:273
14928991412,1cyclictest9-21ksoftirqd/009:50:190
14928991412,1cyclictest9-21ksoftirqd/008:19:590
16682130,0sleep10-21swapper/108:55:141
14952991313,0cyclictest35-21ksoftirqd/310:08:363
14952991311,1cyclictest35-21ksoftirqd/307:25:003
1494499135,7cyclictest8250-21diskmemload10:25:142
14944991312,1cyclictest8250-21diskmemload12:20:172
14944991311,2cyclictest0-21swapper/210:30:142
14944991311,1cyclictest3541-21vmstat11:15:212
14944991310,2cyclictest16551-21df_inode09:20:142
14936991312,1cyclictest0-21swapper/109:40:131
1495299123,8cyclictest35-21ksoftirqd/309:14:433
14952991212,0cyclictest35-21ksoftirqd/312:35:123
14952991212,0cyclictest35-21ksoftirqd/311:50:273
14952991212,0cyclictest35-21ksoftirqd/311:36:593
14952991212,0cyclictest35-21ksoftirqd/311:21:243
14952991212,0cyclictest35-21ksoftirqd/310:35:173
14952991212,0cyclictest35-21ksoftirqd/310:15:093
14952991210,1cyclictest35-21ksoftirqd/312:20:013
14952991210,1cyclictest35-21ksoftirqd/312:05:003
14952991210,1cyclictest35-21ksoftirqd/307:29:593
1494499129,2cyclictest7450-21rm10:36:192
1494499128,3cyclictest30709-21sshd11:55:112
1494499125,6cyclictest6599-21if_eno109:50:152
1494499125,6cyclictest0-21swapper/212:01:522
14944991211,1cyclictest9569-21perf08:05:012
14944991211,1cyclictest2621-21apt-config07:50:012
14944991211,0cyclictest23442-21/usr/sbin/munin11:00:172
14944991210,2cyclictest24466-21strings12:30:172
14944991210,1cyclictest28628-21sort11:05:202
14944991210,1cyclictest0-21swapper/207:30:002
14928991211,1cyclictest9-21ksoftirqd/012:25:120
14928991211,1cyclictest9-21ksoftirqd/010:30:170
14928991210,1cyclictest9-21ksoftirqd/011:50:000
14928991210,1cyclictest9-21ksoftirqd/011:25:000
14928991210,1cyclictest9-21ksoftirqd/010:05:150
14928991210,1cyclictest9-21ksoftirqd/008:10:000
1495299119,1cyclictest35-21ksoftirqd/312:33:103
1495299119,1cyclictest35-21ksoftirqd/309:30:203
1495299119,1cyclictest35-21ksoftirqd/308:48:403
1495299119,1cyclictest35-21ksoftirqd/308:40:123
1495299119,1cyclictest35-21ksoftirqd/308:35:013
1495299119,1cyclictest35-21ksoftirqd/308:00:013
14952991111,0cyclictest35-21ksoftirqd/311:46:423
14952991111,0cyclictest35-21ksoftirqd/311:01:233
14952991111,0cyclictest35-21ksoftirqd/310:11:083
14952991111,0cyclictest35-21ksoftirqd/309:50:113
14952991111,0cyclictest35-21ksoftirqd/309:40:173
14952991111,0cyclictest35-21ksoftirqd/309:25:173
14952991110,1cyclictest35-21ksoftirqd/312:10:173
14952991110,1cyclictest35-21ksoftirqd/312:10:163
14952991110,1cyclictest35-21ksoftirqd/309:55:183
14952991110,1cyclictest35-21ksoftirqd/309:45:223
14952991110,1cyclictest35-21ksoftirqd/309:35:203
1494499119,1cyclictest17694-21fschecks_count08:20:152
1494499119,1cyclictest0-21swapper/209:35:042
1494499117,2cyclictest0-21swapper/211:48:572
1494499116,4cyclictest0-21swapper/211:28:532
1494499115,5cyclictest8250-21diskmemload12:05:262
1494499114,6cyclictest8250-21diskmemload09:40:142
1494499113,5cyclictest16379-21cpu11:35:142
14944991110,1cyclictest0-21swapper/210:50:502
14944991110,1cyclictest0-21swapper/209:15:132
14944991110,1cyclictest0-21swapper/208:05:122
1494499110,11cyclictest0-21swapper/210:45:152
14928991110,1cyclictest9-21ksoftirqd/012:30:210
14928991110,1cyclictest9-21ksoftirqd/012:20:230
14928991110,1cyclictest9-21ksoftirqd/012:05:240
14928991110,1cyclictest9-21ksoftirqd/012:00:000
14928991110,1cyclictest9-21ksoftirqd/011:43:550
14928991110,1cyclictest9-21ksoftirqd/010:35:130
14928991110,1cyclictest9-21ksoftirqd/009:55:450
14928991110,1cyclictest9-21ksoftirqd/009:20:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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