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2025-12-03 - 20:06
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Wed Dec 03, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
408964799137,5cyclictest0-21swapper/310:45:023
408964799126,5cyclictest0-21swapper/308:20:143
4089647991211,0cyclictest0-21swapper/312:00:203
4089647991211,0cyclictest0-21swapper/308:55:133
4089647991210,1cyclictest69450irq/121-eno112:15:133
4089647991210,1cyclictest0-21swapper/311:35:123
408964799120,11cyclictest69450irq/121-eno111:44:463
408964799120,11cyclictest0-21swapper/309:35:143
408964799120,11cyclictest0-21swapper/308:40:213
408964799120,11cyclictest0-21swapper/308:25:123
408964799120,10cyclictest0-21swapper/310:55:183
408964799119,0cyclictest0-21swapper/312:05:023
4089647991111,0cyclictest69450irq/121-eno109:15:183
4089647991111,0cyclictest0-21swapper/308:45:133
408964799111,0cyclictest0-21swapper/309:05:003
4089647991110,1cyclictest69450irq/121-eno110:28:113
4089647991110,0cyclictest0-21swapper/311:10:123
4089647991110,0cyclictest0-21swapper/309:15:003
408964799110,9cyclictest0-21swapper/310:30:133
408964799110,10cyclictest69450irq/121-eno109:50:133
408964799110,10cyclictest0-21swapper/309:30:163
408964799110,10cyclictest0-21swapper/307:37:393
408964799110,0cyclictest0-21swapper/307:30:023
408964799109,0cyclictest69450irq/121-eno107:50:163
408964799109,0cyclictest0-21swapper/312:35:193
408964799107,2cyclictest0-21swapper/311:25:133
4089647991010,0cyclictest69450irq/121-eno111:30:173
4089647991010,0cyclictest69450irq/121-eno107:33:233
4089647991010,0cyclictest0-21swapper/311:10:013
4089647991010,0cyclictest0-21swapper/310:35:133
4089647991010,0cyclictest0-21swapper/308:50:183
4089647991010,0cyclictest0-21swapper/307:45:013
4089647991010,0cyclictest0-21swapper/307:20:123
408964799100,9cyclictest0-21swapper/311:15:253
408964799100,9cyclictest0-21swapper/310:50:233
408964799100,9cyclictest0-21swapper/308:35:173
408964799100,8cyclictest0-21swapper/311:20:213
408964799100,0cyclictest0-21swapper/311:50:013
408964799100,0cyclictest0-21swapper/308:00:013
40896479999,0cyclictest69450irq/121-eno111:01:593
40896479999,0cyclictest69450irq/121-eno110:20:193
40896479999,0cyclictest69450irq/121-eno110:15:193
40896479999,0cyclictest69450irq/121-eno110:11:463
40896479999,0cyclictest69450irq/121-eno110:09:293
40896479999,0cyclictest0-21swapper/309:25:003
40896479999,0cyclictest0-21swapper/308:10:123
40896479999,0cyclictest0-21swapper/307:14:353
40896479998,0cyclictest69450irq/121-eno109:40:183
40896479990,8cyclictest69450irq/121-eno112:30:163
40896479990,8cyclictest69450irq/121-eno112:12:243
40896479990,8cyclictest0-21swapper/310:40:013
40896479988,0cyclictest69450irq/121-eno112:21:293
40896479988,0cyclictest69450irq/121-eno111:55:203
40896479988,0cyclictest69450irq/121-eno109:55:233
40896479980,7cyclictest69450irq/121-eno112:26:273
40896479977,0cyclictest0-21swapper/310:00:223
40896479977,0cyclictest0-21swapper/307:15:063
40896479976,1cyclictest69450irq/121-eno108:15:123
40896479976,1cyclictest0-21swapper/309:25:133
40896479973,0cyclictest0-21swapper/309:45:123
40896479970,6cyclictest69450irq/121-eno108:03:523
40896479965,1cyclictest0-21swapper/311:45:133
40896479960,5cyclictest0-21swapper/307:45:133
40896479955,0cyclictest0-21swapper/309:05:333
40896479955,0cyclictest0-21swapper/308:31:243
40896479955,0cyclictest0-21swapper/308:05:163
4088277251,2sleep00-21swapper/007:05:160
4088118251,2sleep30-21swapper/307:05:153
4089175242,1sleep10-21swapper/107:05:531
4087820242,1sleep20-21swapper/207:05:022
11953240,1sleep211979-21apt-get11:55:132
4137811230,2sleep00-21swapper/009:10:200
4118124230,2sleep14118336-21ntpq08:20:191
4112575230,2sleep14112690-21ps08:05:171
29194230,2sleep129401-21ntpq12:35:191
14674230,1sleep014823-21ntp_states12:00:190
5906220,1sleep26149-21df_inode11:40:172
4193116220,1sleep04193134-21munin-run11:25:010
4189419220,0sleep20-21swapper/211:15:222
4189372220,1sleep10-21swapper/111:15:221
4188850220,1sleep00-21swapper/011:14:240
4186835220,1sleep14186955-21grep11:10:011
4178385220,0sleep00-21swapper/010:49:150
4174713220,1sleep24174785-21cat10:40:162
4161490220,1sleep04161516-21apt-get10:10:130
4149658220,1sleep24149807-21ntp_states09:40:212
4145246220,1sleep24145493-21diskstats09:30:162
4133636220,1sleep00-21swapper/009:00:160
4130816220,0sleep10-21swapper/108:52:241
4129382220,1sleep24129507-21stty08:50:132
4129109220,1sleep14129143-21munin-run08:50:001
4126012220,1sleep14126176-21sed08:40:151
4107731220,1sleep00-21swapper/007:54:560
4099846220,0sleep00-21swapper/007:34:180
4098672220,1sleep24098753-21irqstats07:30:162
4094574220,1sleep14094836-21df_inode07:20:151
28049220,1sleep028051-21ssh12:31:530
24238220,1sleep10-21swapper/112:25:021
24099220,0sleep00-21swapper/012:23:530
21094220,1sleep00-21swapper/012:15:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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