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2025-12-10 - 09:36
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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 Wed Dec 10, 2025 00:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178792211159,26sleep20-21swapper/219:07:592
179682199160,26sleep30-21swapper/319:09:103
179662199162,24sleep10-21swapper/119:09:081
179602199159,26sleep00-21swapper/019:09:020
235322700,0sleep10-21swapper/119:20:011
46072630,0sleep20-21swapper/219:45:202
42712240,7sleep335-21ksoftirqd/323:15:203
18112991514,1cyclictest28-21ksoftirqd/219:20:132
219582110,0sleep10-21swapper/100:26:251
1811299119,2cyclictest28-21ksoftirqd/223:16:222
1811299119,1cyclictest28-21ksoftirqd/219:59:592
1811299119,1cyclictest28-21ksoftirqd/219:20:002
1811299119,1cyclictest28-21ksoftirqd/200:10:002
18112991111,0cyclictest0-21swapper/223:09:552
18112991110,1cyclictest28-21ksoftirqd/222:55:172
18112991110,1cyclictest28-21ksoftirqd/221:25:232
1811299110,11cyclictest0-21swapper/222:39:182
1811299110,11cyclictest0-21swapper/222:39:172
1810899110,10cyclictest0-21swapper/123:35:181
1812199109,1cyclictest35-21ksoftirqd/323:30:153
1811299109,1cyclictest28-21ksoftirqd/223:53:152
1811299109,1cyclictest28-21ksoftirqd/222:20:002
1811299109,1cyclictest28-21ksoftirqd/221:05:002
1811299109,1cyclictest28-21ksoftirqd/220:10:002
1811299108,1cyclictest28-21ksoftirqd/221:39:142
1811299108,1cyclictest28-21ksoftirqd/220:45:002
1811299108,1cyclictest28-21ksoftirqd/220:15:012
18112991010,0cyclictest0-21swapper/221:34:302
1810799100,5cyclictest32654-21date21:40:010
181219990,1cyclictest0-21swapper/300:08:073
181129999,0cyclictest28-21ksoftirqd/222:40:152
181129999,0cyclictest28-21ksoftirqd/222:00:312
181129999,0cyclictest28-21ksoftirqd/200:00:182
181129999,0cyclictest0-21swapper/221:12:502
181129998,1cyclictest28-21ksoftirqd/221:46:212
181129990,8cyclictest20489-21munin-node20:22:052
181129990,5cyclictest543-21cron00:29:002
181079992,6cyclictest557-21nscd22:17:510
26357280,0sleep00-21swapper/020:30:400
181219985,2cyclictest35-21ksoftirqd/300:36:413
181219982,1cyclictest24881-21switchtime00:30:213
181219982,1cyclictest10452-21ntp_states00:10:193
181219981,2cyclictest10593-21/usr/sbin/munin22:40:123
181219980,5cyclictest0-21swapper/323:22:013
181219980,1cyclictest254-21systemd-journal20:40:473
181129988,0cyclictest28-21ksoftirqd/222:50:212
181129988,0cyclictest28-21ksoftirqd/222:05:302
181129988,0cyclictest0-21swapper/200:40:002
181129987,1cyclictest28-21ksoftirqd/223:00:162
181129987,1cyclictest28-21ksoftirqd/221:50:142
181129987,1cyclictest28-21ksoftirqd/200:10:142
181129986,2cyclictest28-21ksoftirqd/221:07:582
181129986,2cyclictest28-21ksoftirqd/221:07:572
181129986,1cyclictest28-21ksoftirqd/221:55:162
181129986,1cyclictest28-21ksoftirqd/221:40:212
181129986,1cyclictest28-21ksoftirqd/221:15:142
181129986,1cyclictest28-21ksoftirqd/220:05:002
181129984,3cyclictest21502-21apt-get22:10:112
181129983,5cyclictest60950irq/123-eno123:48:122
181129983,2cyclictest254-21systemd-journal00:15:512
181129980,4cyclictest0-21swapper/220:45:142
181129980,1cyclictest31272-21aten2.4-expect23:55:152
181089980,4cyclictest0-21swapper/122:41:211
181089980,4cyclictest0-21swapper/121:25:211
181079986,1cyclictest30158-21sh00:40:000
181079983,1cyclictest0-21swapper/019:15:190
181079981,3cyclictest17795-21apt-get22:50:110
181079980,7cyclictest8132-21ssh00:07:200
181079980,7cyclictest715-21ssh23:56:130
181079980,7cyclictest6859-21ssh21:49:020
181079980,7cyclictest5305-21ssh00:04:340
181079980,7cyclictest5211-21ssh23:17:060
181079980,7cyclictest31050-21ssh23:08:260
181079980,7cyclictest29635-21ssh23:51:550
181079980,7cyclictest23937-21ssh21:25:470
181079980,7cyclictest23688-21ssh22:57:210
181079980,7cyclictest23525-21ssh23:44:460
181079980,7cyclictest2139-21ssh23:13:280
181079980,7cyclictest17519-21ssh21:18:410
181079980,7cyclictest14887-21ssh00:16:210
181079980,7cyclictest14184-21ssh21:14:340
181079980,7cyclictest13619-21ssh22:44:250
181079980,7cyclictest12852-21ssh23:29:120
181079980,7cyclictest10820-21diskmemload00:20:310
181079980,4cyclictest10820-21diskmemload00:14:010
181079980,2cyclictest16725-21ssh22:01:510
181079980,1cyclictest22032-21ssh00:26:380
30639270,0sleep10-21swapper/122:21:161
181219976,1cyclictest9863-21ntpq21:05:193
181219976,1cyclictest9863-21ntpq21:05:183
181219975,1cyclictest5065-21ssh00:03:493
181219975,1cyclictest31819-21ssh23:10:103
181219974,1cyclictest10820-21diskmemload00:17:583
181219973,2cyclictest254-21systemd-journal21:44:553
181219973,2cyclictest0-21swapper/322:50:333
181219972,3cyclictest16880-21/usr/sbin/munin23:35:183
181219972,2cyclictest254-21systemd-journal21:53:493
181219971,4cyclictest10820-21diskmemload21:20:133
181219971,3cyclictest12998-21chrt21:10:593
181219971,3cyclictest0-21swapper/323:55:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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