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2025-11-24 - 04:12
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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 rack5slot2.osadl.org (updated Mon Nov 24, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
153572199183,11sleep10-21swapper/119:08:321
152402198163,12sleep30-21swapper/319:07:013
154232183167,12sleep00-21swapper/019:09:230
15296210890,13sleep20-21swapper/219:07:452
242222450,0sleep10-21swapper/122:53:191
53282430,0sleep10-21swapper/122:27:241
315362100,0sleep20-21swapper/220:45:122
7324260,0sleep10-21swapper/121:40:121
156619960,6cyclictest0-21swapper/223:09:182
156579961,3cyclictest0-21swapper/123:35:111
156569965,1cyclictest25408-21sh21:49:230
156569960,5cyclictest0-21swapper/020:20:130
26093250,0sleep20-21swapper/223:10:172
156669955,0cyclictest23423-21kworker/3:222:18:403
156669955,0cyclictest23423-21kworker/3:221:11:323
156669950,5cyclictest0-21swapper/323:36:053
156669950,5cyclictest0-21swapper/321:22:233
156669950,0cyclictest0-21swapper/322:47:563
156619955,0cyclictest0-21swapper/221:33:082
156619955,0cyclictest0-21swapper/200:38:212
156619954,1cyclictest20195-21rm21:46:052
156619950,5cyclictest0-21swapper/221:11:542
156619950,4cyclictest20997-21ssh00:30:112
156619950,4cyclictest0-21swapper/223:00:012
156619950,0cyclictest0-21swapper/223:28:222
156579951,3cyclictest0-21swapper/123:40:121
156579951,3cyclictest0-21swapper/121:00:131
156579951,2cyclictest0-21swapper/121:20:131
156579951,2cyclictest0-21swapper/120:50:131
156579950,5cyclictest0-21swapper/123:06:101
156579950,5cyclictest0-21swapper/121:56:271
156569955,0cyclictest0-21swapper/023:19:350
156569955,0cyclictest0-21swapper/023:13:280
156569955,0cyclictest0-21swapper/021:58:330
156569955,0cyclictest0-21swapper/021:34:060
156569951,4cyclictest1169-21munin-run20:50:000
156569950,5cyclictest0-21swapper/023:28:450
156569950,5cyclictest0-21swapper/023:22:380
156569950,5cyclictest0-21swapper/022:50:120
156569950,5cyclictest0-21swapper/000:28:240
156569950,4cyclictest0-21swapper/019:25:130
156569950,0cyclictest0-21swapper/023:34:520
26820240,0sleep00-21swapper/000:15:560
26429240,0sleep00-21swapper/000:00:030
156669944,0cyclictest0-21swapper/323:26:553
156669944,0cyclictest0-21swapper/319:10:153
156669944,0cyclictest0-21swapper/300:05:383
156669943,1cyclictest21994-21sed22:35:223
156669943,1cyclictest10161-21cpuspeed22:30:123
156669941,3cyclictest55950irq/130-eth022:00:193
156669941,3cyclictest30379-21awk21:35:173
156669940,4cyclictest315932chrt00:02:103
156669940,4cyclictest20496-21munin-run00:30:003
156669940,4cyclictest0-21swapper/323:50:123
156669940,4cyclictest0-21swapper/323:45:113
156669940,4cyclictest0-21swapper/323:20:153
156669940,4cyclictest0-21swapper/323:11:543
156669940,4cyclictest0-21swapper/321:30:113
156669940,4cyclictest0-21swapper/321:25:143
156669940,4cyclictest0-21swapper/321:15:323
156669940,4cyclictest0-21swapper/300:30:123
156669940,3cyclictest9301-21ssh00:24:103
156669940,3cyclictest31860-21sh23:30:013
156669940,3cyclictest29899-21sh22:40:043
156669940,3cyclictest27200-21ssh23:43:563
156669940,3cyclictest26904-21latency_hist22:55:013
156669940,3cyclictest26750-21date21:50:013
156669940,3cyclictest26129-21ssh00:15:293
156669940,3cyclictest19863-21sh23:07:043
156669940,3cyclictest19280-21sh21:45:303
156669940,3cyclictest14015-21sh00:10:133
156669940,3cyclictest1346-21wc20:50:003
156669940,3cyclictest0-21swapper/319:55:123
156669940,1cyclictest4817-21dpkg23:00:003
156669940,1cyclictest2996-21diskstats23:15:123
156669940,1cyclictest22490-21ssh22:20:143
156669940,1cyclictest16289-21/usr/sbin/munin20:15:183
156619944,0cyclictest0-21swapper/222:26:322
156619944,0cyclictest0-21swapper/222:11:152
156619944,0cyclictest0-21swapper/219:20:162
156619944,0cyclictest0-21swapper/219:13:172
156619942,2cyclictest27588-21grep19:30:172
156619941,1cyclictest0-21swapper/223:55:122
156619940,4cyclictest7548-21apt-get22:45:112
156619940,4cyclictest26227-21ls19:30:002
156619940,4cyclictest22928-21ssh23:41:112
156619940,4cyclictest0-21swapper/223:49:162
156619940,4cyclictest0-21swapper/223:30:122
156619940,4cyclictest0-21swapper/223:21:192
156619940,4cyclictest0-21swapper/222:15:122
156619940,4cyclictest0-21swapper/222:00:132
156619940,4cyclictest0-21swapper/221:50:122
156619940,4cyclictest0-21swapper/221:40:112
156619940,4cyclictest0-21swapper/221:37:122
156619940,4cyclictest0-21swapper/221:15:052
156619940,4cyclictest0-21swapper/220:40:122
156619940,4cyclictest0-21swapper/220:35:002
156619940,4cyclictest0-21swapper/220:13:492
156619940,4cyclictest0-21swapper/220:05:002
156619940,4cyclictest0-21swapper/219:55:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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