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2026-04-22 - 04:45
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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 rackaslot8.osadl.org (updated Wed Apr 22, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104612291264,18sleep10-21swapper/119:05:581
105202287256,21sleep20-21swapper/219:06:432
107402270238,22sleep30-21swapper/319:09:333
107582263233,19sleep00-21swapper/019:09:470
111832640,0sleep20-21swapper/221:15:202
58512570,0sleep30-21swapper/323:29:443
243472520,0sleep00-21swapper/022:02:400
273202180,0sleep20-21swapper/223:42:042
271872180,0sleep00-21swapper/023:03:060
256372180,0sleep10-21swapper/121:24:441
179842180,0sleep20-21swapper/200:15:192
78422150,0sleep00-21swapper/022:31:230
176192150,0sleep00-21swapper/023:36:010
267732140,0sleep30-21swapper/321:45:013
252462140,0sleep00-21swapper/022:42:040
245462140,0sleep30-21swapper/322:41:313
237272130,0sleep30-21swapper/322:21:413
209672130,0sleep10-21swapper/100:37:051
251052120,0sleep10-21swapper/121:43:461
1088899120,3cyclictest21134-21sh22:59:502
1088899112,6cyclictest658-21snmpd20:00:322
1088899112,5cyclictest5469-21ssh21:50:552
1088899112,5cyclictest18359-21sh23:56:112
1088899111,6cyclictest0-21swapper/223:00:312
1088899110,7cyclictest29300-21ssh00:22:382
1088899110,3cyclictest7893-21ssh21:33:182
1088899110,3cyclictest32666-21rm22:26:552
1088899110,3cyclictest29498-21ssh21:45:472
1088899110,3cyclictest25378-21ssh21:43:592
1088899110,2cyclictest30987-21sed19:50:202
1088899110,2cyclictest10088-21ssh23:31:372
1088899110,1cyclictest784-21diskmemload22:11:472
1088899110,1cyclictest1714-21df_inode21:10:152
1088899110,1cyclictest16990-21ssh00:35:132
1089299108,2cyclictest34-21ksoftirqd/320:30:013
1088899100,6cyclictest0-21swapper/223:48:412
1088899100,2cyclictest25601-21ssh00:00:232
1088899100,2cyclictest15920-21munin-run19:20:002
1088899100,1cyclictest6976-21sh22:30:432
1088899100,1cyclictest27210-21if_err_enp4s021:25:152
1088899100,1cyclictest19396-21ssh22:00:042
1088899100,1cyclictest16905-21ssh23:35:282
1088899100,1cyclictest16266-21sed20:30:192
1088899100,1cyclictest13601-21sed22:15:192
1088899100,1cyclictest13401-21ssh21:55:402
1088899100,1cyclictest13021-21ssh22:35:112
1088899100,1cyclictest10592-21apt-get21:35:122
1088899100,1cyclictest0-21swapper/219:35:122
1088899100,0cyclictest20649-21apt-get19:30:132
1185290,2sleep0141rcu_preempt23:45:380
108889993,5cyclictest24563-21sh22:41:312
108889992,6cyclictest504-21dbus-daemon19:27:392
108889992,6cyclictest29391-21date22:05:222
108889992,6cyclictest20259-21/usr/sbin/munin22:20:192
108889992,6cyclictest19780-21expr20:40:122
108889991,2cyclictest31881-21ntp_states23:25:172
108889991,2cyclictest29537-21sh22:45:122
108889991,2cyclictest29537-21sh22:45:122
108889990,8cyclictest7899-21sed23:50:132
108889990,3cyclictest275-21systemd-journal19:20:262
108889990,3cyclictest275-21systemd-journal19:15:002
108889990,3cyclictest14307-21ssh23:15:142
108889990,3cyclictest12419-21chrt20:24:112
108889990,2cyclictest8038-21sh22:51:062
108889990,2cyclictest5326-21ssh00:27:472
108889990,2cyclictest30669-21idleruntime-cro21:05:012
108889990,2cyclictest27025-21chrt19:44:232
108889990,1cyclictest3524-21ssh00:06:592
108889990,1cyclictest30663-21apt-get21:05:022
108889990,1cyclictest30176-21ssh23:05:132
108889990,1cyclictest26181-21ssh23:21:462
108889990,1cyclictest12240-21ssh00:12:272
108889990,1cyclictest11987-21ssh00:31:312
108889990,1cyclictest0-21swapper/221:21:472
108889990,1cyclictest0-21swapper/220:05:152
108849997,2cyclictest22-21ksoftirqd/100:00:001
108929983,3cyclictest275-21systemd-journal21:13:163
108889981,0cyclictest21446-21apt-get20:45:022
108889980,3cyclictest9569-21grep20:15:202
108889980,3cyclictest7169-21/usr/sbin/munin20:10:182
108889980,3cyclictest32166-21diskstats19:55:142
108889980,3cyclictest27710-21expr19:45:122
108889980,3cyclictest26671-21cat20:55:132
108889980,3cyclictest11671-21ssh23:13:232
108889980,2cyclictest25680-21unixbench-2d20:50:202
108889980,1cyclictest19202-21munin-run20:40:012
108889980,1cyclictest12761-21apt-get20:25:132
108849984,3cyclictest275-21systemd-journal00:29:551
108849982,3cyclictest29680-21idleruntime-cro23:05:021
108829984,3cyclictest658-21snmpd22:35:200
27418270,0sleep10-21swapper/122:05:011
1540270,0sleep10-21swapper/122:27:551
13472270,0sleep10-21swapper/121:36:131
108929973,3cyclictest902-21sed19:55:213
108929970,3cyclictest275-21systemd-journal21:29:323
108849975,1cyclictest22-21ksoftirqd/122:00:011
108849973,3cyclictest275-21systemd-journal22:49:201
108849973,3cyclictest275-21systemd-journal22:49:201
108849973,3cyclictest275-21systemd-journal00:05:001
108849973,2cyclictest275-21systemd-journal00:34:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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