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2026-06-09 - 17:03
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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 rack1slot3.osadl.org (updated Tue Jun 09, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3166505991310,1cyclictest0-21swapper/308:35:123
316650599130,12cyclictest0-21swapper/310:15:103
316650599130,11cyclictest0-21swapper/312:35:013
316650599130,11cyclictest0-21swapper/310:35:143
316650599120,1cyclictest0-21swapper/310:05:143
316650599120,11cyclictest0-21swapper/311:15:003
316650599120,11cyclictest0-21swapper/307:35:113
316650599120,10cyclictest0-21swapper/309:35:123
316650599120,0cyclictest0-21swapper/307:40:123
316650599120,0cyclictest0-21swapper/307:13:133
316650599118,2cyclictest0-21swapper/309:50:013
3166505991111,0cyclictest0-21swapper/312:05:113
3166505991110,0cyclictest0-21swapper/307:30:003
316650599110,10cyclictest0-21swapper/311:40:013
316650599110,10cyclictest0-21swapper/310:10:163
316650599110,10cyclictest0-21swapper/308:55:193
316650599110,10cyclictest0-21swapper/308:20:123
316650599110,10cyclictest0-21swapper/307:50:183
316650599110,10cyclictest0-21swapper/307:49:553
316650599110,0cyclictest0-21swapper/311:15:133
316650599110,0cyclictest0-21swapper/309:30:113
316650599110,0cyclictest0-21swapper/308:40:123
316650599109,0cyclictest0-21swapper/312:10:143
316650599109,0cyclictest0-21swapper/308:25:113
316650599108,1cyclictest0-21swapper/309:15:133
316650599108,0cyclictest0-21swapper/308:00:013
3166505991010,0cyclictest0-21swapper/312:35:193
3166505991010,0cyclictest0-21swapper/311:30:193
3166505991010,0cyclictest0-21swapper/310:20:163
3166505991010,0cyclictest0-21swapper/308:53:293
316650599100,9cyclictest0-21swapper/309:55:133
316650599100,9cyclictest0-21swapper/309:00:183
316650599100,10cyclictest0-21swapper/309:45:193
316650599100,0cyclictest0-21swapper/310:30:173
31665059999,0cyclictest0-21swapper/311:46:313
31665059999,0cyclictest0-21swapper/310:50:153
31665059999,0cyclictest0-21swapper/309:10:133
31665059999,0cyclictest0-21swapper/307:20:203
31665059998,0cyclictest0-21swapper/308:45:143
31665059997,1cyclictest0-21swapper/310:25:113
31665059990,9cyclictest0-21swapper/310:55:203
31665059990,8cyclictest0-21swapper/312:20:143
31665059990,8cyclictest0-21swapper/311:50:173
31665059990,8cyclictest0-21swapper/310:00:123
31665059988,0cyclictest0-21swapper/309:25:133
31665059988,0cyclictest0-21swapper/309:20:143
31665059988,0cyclictest0-21swapper/308:10:143
31665059988,0cyclictest0-21swapper/308:00:013
31665059987,0cyclictest0-21swapper/312:25:133
31665059987,0cyclictest0-21swapper/307:30:113
3165127281,4sleep30-21swapper/307:05:153
31665059977,0cyclictest0-21swapper/310:45:113
31665059966,0cyclictest0-21swapper/309:40:153
31665059965,0cyclictest0-21swapper/311:20:133
31665059965,0cyclictest0-21swapper/309:05:113
31665059960,6cyclictest0-21swapper/311:55:213
31665059955,0cyclictest0-21swapper/311:40:113
31665059954,0cyclictest0-21swapper/311:05:133
31665059953,2cyclictest3286676-21taskset12:03:053
31665059950,4cyclictest0-21swapper/311:25:113
31665059950,4cyclictest0-21swapper/310:40:133
31665059950,4cyclictest0-21swapper/307:15:163
3277221240,3sleep23277346-21sendmail_mailqu11:40:172
31665059944,0cyclictest0-21swapper/312:15:013
31665059944,0cyclictest0-21swapper/311:00:173
31665059944,0cyclictest0-21swapper/308:30:573
31665059944,0cyclictest0-21swapper/308:16:093
31665059944,0cyclictest0-21swapper/308:05:123
3166171242,1sleep20-21swapper/207:07:422
3166107241,1sleep00-21swapper/007:06:530
3274346230,1sleep23274374-21apt-get11:35:112
3234712230,1sleep13234738-21apt-get10:00:121
3167070230,2sleep13167140-21awk07:10:141
3165419231,1sleep10-21swapper/107:05:181
3299677220,1sleep03300033-21cat12:35:010
3293405220,1sleep10-21swapper/112:20:011
3285065220,1sleep23285091-21apt-get12:00:132
3282965220,0sleep00-21swapper/011:55:150
3281949220,0sleep00-21swapper/011:50:340
3279511220,1sleep20-21swapper/211:45:202
3274505220,1sleep03274778-21df_inode11:35:130
3271998220,1sleep20-21swapper/211:29:552
3266000220,1sleep10-21swapper/111:15:141
3262456220,1sleep23262610-21ntp_states11:05:172
3260485220,1sleep23260554-21ls11:00:182
3258938220,1sleep20-21swapper/210:55:212
3257650220,1sleep13257676-21apt-get10:55:121
3256879220,0sleep00-21swapper/010:50:230
3249835220,1sleep13250033-21ntp_kernel_err10:35:191
3249748220,1sleep00-21swapper/010:35:170
3234438220,1sleep10-21swapper/110:00:001
3226271220,1sleep03226536-21diskstats09:40:140
3226105220,0sleep23226131-21apt-get09:40:122
3225734220,0sleep00-21swapper/009:39:140
3225536220,0sleep10-21swapper/109:37:271
3218539220,1sleep03218672-21grep09:20:170
3213854220,1sleep03213878-21apt09:10:120
3206620220,1sleep03206702-21irqstats08:50:160
3205940220,1sleep20-21swapper/208:50:012
3203916220,0sleep00-21swapper/008:43:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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