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2025-12-12 - 19:04
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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 (updated Fri Dec 12, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207532523500,11sleep00-21swapper/019:05:220
20762712266192,57sleep10-21swapper/119:06:311
21822532480,3sleep00-21swapper/022:28:310
22293822470,4sleep00-21swapper/023:35:200
207670799460,43cyclictest243-21jbd2/mmcblk0p2-00:00:041
125899450,3rtkit-daemon0-21swapper/120:33:101
21314602440,2sleep10-21swapper/121:16:441
125899440,3rtkit-daemon0-21swapper/120:35:461
207670799411,38cyclictest2253887-1kworker/1:1H00:20:331
125899400,3rtkit-daemon0-21swapper/121:49:411
2076702993631,3cyclictest2194573-21grep22:45:230
125899320,3rtkit-daemon0-21swapper/022:50:490
21851042310,4sleep02185103-21seq22:31:520
21769762290,7sleep12176979-21needreboot22:20:211
2076707992927,1cyclictest2134079-1kworker/1:0H21:25:191
2076707992927,1cyclictest0-21swapper/121:55:471
207670799292,22cyclictest2147561-21apt-get21:40:161
207670799292,21cyclictest2097941-21apt-get20:00:121
2076707992915,12cyclictest26-21ksoftirqd/120:45:261
2076702992919,8cyclictest2250388-21diskstats00:05:170
125899290,21rtkit-daemon0-21swapper/019:11:210
21350552281,21sleep12125537-21diskmemload21:21:331
207670799281,22cyclictest2087695-40apt-check19:35:231
22371882275,2sleep02125537-21diskmemload23:45:470
207670799275,2cyclictest2214714-21apt-get23:15:111
2076702992718,7cyclictest2225016-21unin-run23:29:590
125899270,5rtkit-daemon2208924-21ssh23:05:290
125899270,4rtkit-daemon2126651-21ntpq21:10:231
207670799269,4cyclictest2125537-21diskmemload23:41:171
207670799268,4cyclictest0-21swapper/121:36:191
2076707992623,2cyclictest63750irq/132-enp2s023:11:091
2076707992623,2cyclictest17350irq/39-mmc022:16:201
2076707992615,6cyclictest63750irq/132-enp2s022:40:141
2076702992613,8cyclictest2152853-1kworker/u9:221:50:170
125899260,4rtkit-daemon0-21swapper/121:31:371
125899260,3rtkit-daemon0-21swapper/023:33:400
207670799256,17cyclictest0-21swapper/100:00:171
207670799255,17cyclictest2270605-21cat00:35:001
2076707992512,8cyclictest2239307-21apt-get23:50:141
2076707992510,9cyclictest2119862-21apt-get20:55:141
207670299255,2cyclictest141rcu_preempt21:34:280
125899250,5rtkit-daemon2255929-21apt-get00:15:161
125899250,4rtkit-daemon0-21swapper/000:30:520
125899250,3rtkit-daemon0-21swapper/023:50:150
20808542240,9sleep00-21swapper/019:17:120
207670799246,3cyclictest141rcu_preempt23:00:001
207670799245,2cyclictest141rcu_preempt22:50:231
207670799245,12cyclictest2108135-21apt-get20:25:171
207670799242,16cyclictest2228786-21apt-get23:35:151
207670799241,6cyclictest2078667-21latency_hist19:15:001
207670299243,3cyclictest2125537-21diskmemload23:57:170
207670299242,16cyclictest2123793-21apt-get21:05:190
2076702992418,3cyclictest2089495-21sh19:40:000
207670299241,5cyclictest13-21ksoftirqd/000:10:070
2076702992410,8cyclictest2162109-21apt-get22:00:130
125899240,4rtkit-daemon0-21swapper/120:16:221
125899240,4rtkit-daemon0-21swapper/119:58:191
125899240,3rtkit-daemon0-21swapper/121:52:211
125899240,3rtkit-daemon0-21swapper/119:42:161
207670799238,9cyclictest2099892-21apt-get20:05:161
207670799233,2cyclictest141rcu_preempt22:39:511
207670799232,15cyclictest2114005-21apt-get20:40:131
207670799232,14cyclictest2193592-21apt-get22:45:121
207670799232,14cyclictest2121839-21apt-get21:00:171
2076707992315,4cyclictest2250166-21apt-get00:05:151
207670799231,17cyclictest2218187-21apt-get23:20:161
207670299236,15cyclictest2203803-21sh23:00:000
207670299235,2cyclictest141rcu_preempt23:25:000
207670299233,3cyclictest2125537-21diskmemload22:40:370
207670299232,15cyclictest2165551-21apt-get22:05:170
207670299232,15cyclictest2136768-21apt-get21:25:160
207670299232,14cyclictest2204114-21apt-get23:00:180
2076702992317,3cyclictest2125537-21diskmemload00:25:010
2076702992316,4cyclictest2232810-21latency23:40:180
2076702992314,7cyclictest2087053-21gpgv19:35:000
207670299231,14cyclictest2255929-21apt-get00:15:180
207670299230,10cyclictest2247322-21ssh00:00:220
125899230,4rtkit-daemon1257-21rtkit-daemon21:24:440
125899230,3rtkit-daemon0-21swapper/122:02:191
125899230,3rtkit-daemon0-21swapper/119:21:111
125899230,3rtkit-daemon0-21swapper/000:36:450
207670799228,8cyclictest2263614-21apt-get00:25:181
207670799223,3cyclictest141rcu_preempt23:09:471
207670799223,12cyclictest2168990-21apt-get22:10:141
207670799222,2cyclictest141rcu_preempt23:31:061
207670799222,14cyclictest2106181-21apt-get20:20:151
207670799222,14cyclictest2093614-21apt-get19:50:151
207670799222,14cyclictest2085263-21apt-get19:30:141
207670799222,13cyclictest2183174-21apt-get22:30:171
2076707992214,6cyclictest2165888-21fschecks_time22:05:221
207670799221,3cyclictest2125537-21diskmemload23:29:051
207670799221,18cyclictest2103618-21python320:15:011
207670299224,2cyclictest141rcu_preempt22:17:500
207670299223,2cyclictest141rcu_preempt21:40:350
207670299222,8cyclictest2158512-21apt-get21:55:180
207670299222,14cyclictest2151041-21apt-get21:45:150
207670299222,14cyclictest2125813-21apt-get21:10:140
207670299222,14cyclictest2101844-21apt-get20:10:140
207670299222,13cyclictest2176239-21apt-get22:20:140
2076702992219,2cyclictest63750irq/132-enp2s000:27:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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