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2026-07-03 - 07:13
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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 rackcslot4.osadl.org (updated Fri Jul 03, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39007532273221,37sleep10-21swapper/119:09:191
39005012261191,55sleep00-21swapper/019:06:360
3900941995617,9cyclictest1-21systemd00:20:021
3900941995614,12cyclictest3970434-21wc21:50:001
3900941995613,13cyclictest4071330-21date00:30:001
179699540,4rtkit-daemon1795-21rtkit-daemon23:43:070
3900941995317,9cyclictest1-21systemd00:25:001
3900941995317,13cyclictest3996380-21latency_hist22:40:001
3900941995317,11cyclictest4074789-21/usr/sbin/munin00:35:011
3900941995315,12cyclictest4036014-21/usr/sbin/munin23:40:231
3900941995313,12cyclictest4039864-21expr23:45:271
179699520,4rtkit-daemon1795-21rtkit-daemon21:24:491
3900941995119,9cyclictest4009934-21/usr/sbin/munin23:05:171
3900941995116,8cyclictest3949632-21diskmemload00:05:241
3900941995114,9cyclictest3913651-21sh19:40:001
3900941995114,11cyclictest3916765-21basename19:45:231
3900941995113,9cyclictest4027142-21latency_hist23:30:011
3900941995113,11cyclictest3999097-21latency_hist22:45:011
179699510,4rtkit-daemon1795-21rtkit-daemon22:43:030
3900941995015,14cyclictest4029100-21rm23:31:031
3900941995015,12cyclictest3961206-21ps21:30:241
179699500,3rtkit-daemon1795-21rtkit-daemon22:25:550
40138722490,1sleep00-21swapper/023:11:310
3900941994918,10cyclictest3931335-21taskset20:22:041
3900941994916,12cyclictest3945289-21apt-get21:00:081
3900941994915,15cyclictest3944366-21/usr/sbin/munin20:55:211
3900941994915,12cyclictest3958808-21/usr/sbin/munin21:25:231
3900941994915,11cyclictest4017060-21/usr/sbin/munin23:15:241
3900941994915,11cyclictest3980897-21apt-get22:10:101
3900941994914,11cyclictest3926707-21ntpq20:10:201
3900941994914,10cyclictest3966604-21wc21:40:241
179699490,4rtkit-daemon1795-21rtkit-daemon21:39:360
179699490,4rtkit-daemon1795-21rtkit-daemon19:42:291
179699490,3rtkit-daemon1795-21rtkit-daemon20:00:280
39284092480,4sleep10-21swapper/120:15:161
3900941994819,11cyclictest4050278-21ssh00:00:141
3900941994818,8cyclictest4003339-21ssh22:51:341
3900941994817,14cyclictest3987933-21chrt22:21:151
3900941994816,12cyclictest3902835-21apt-get19:15:091
3900941994816,11cyclictest4075822-21/usr/sbin/munin00:35:211
3900941994815,9cyclictest3908956-21sensors19:25:231
3900941994815,12cyclictest4020854-21awk23:20:201
3900941994814,17cyclictest3922456-21sed20:00:171
3900941994814,11cyclictest4048390-21ssh23:57:241
3900941994814,11cyclictest3990593-21taskset22:26:351
3900941994814,10cyclictest3991841-21grep22:30:161
3900941994813,9cyclictest4005297-21mailstats22:55:241
3900941994813,11cyclictest4031958-21/usr/sbin/munin23:35:201
3900941994718,9cyclictest3974800-21taskset21:56:531
3900941994718,12cyclictest3935726-21apt-get20:35:111
3900941994718,10cyclictest4012378-21/usr/sbin/munin23:10:171
3900941994717,9cyclictest3939381-21taskset20:44:291
3900941994717,10cyclictest3943146-21taskset20:53:021
3900941994715,29cyclictest39540822sleep121:16:351
3900941994715,12cyclictest3963146-21/usr/sbin/munin21:35:181
3900941994715,11cyclictest3975766-21apt-get22:00:121
3900941994715,11cyclictest3932274-21basename20:25:161
3900941994714,14cyclictest3920421-21grep19:55:161
3900941994713,10cyclictest3907038-21sed19:20:241
3900941994618,9cyclictest4008522-21taskset23:01:531
3900941994617,9cyclictest4000680-21ssh22:46:161
3900941994616,8cyclictest3935458-21taskset20:34:261
3900941994616,13cyclictest4043506-21ssh23:50:241
3900941994616,10cyclictest3949632-21diskmemload22:15:051
3900941994614,13cyclictest3972768-21ssh21:54:191
3900941994614,12cyclictest3910715-21cut19:30:211
3900941994613,12cyclictest3925202-21grep20:05:241
3900941994516,11cyclictest39519522sleep121:13:441
3900941994515,14cyclictest3918001-21sed19:50:031
3900941994515,13cyclictest4060042-21ssh00:13:261
3900941994417,10cyclictest3978300-21taskset22:05:011
3900941994416,11cyclictest3902870-21python319:15:001
179699440,3rtkit-daemon1795-21rtkit-daemon21:49:440
3900941994316,9cyclictest39478442chrt21:05:031
3900941994314,9cyclictest3939645-21apt-get20:45:121
179699380,3rtkit-daemon0-21swapper/022:39:470
179699380,3rtkit-daemon0-21swapper/022:07:310
179699380,3rtkit-daemon0-21swapper/020:22:420
179699380,3rtkit-daemon0-21swapper/000:22:060
179699370,3rtkit-daemon0-21swapper/022:45:310
179699370,3rtkit-daemon0-21swapper/021:56:070
179699370,3rtkit-daemon0-21swapper/021:54:550
179699370,3rtkit-daemon0-21swapper/020:35:020
179699370,3rtkit-daemon0-21swapper/019:14:370
179699360,3rtkit-daemon0-21swapper/023:03:200
179699360,3rtkit-daemon0-21swapper/020:45:270
179699350,3rtkit-daemon0-21swapper/023:05:040
179699350,3rtkit-daemon0-21swapper/020:18:570
3900937993429,3cyclictest66950irq/132-enp2s000:11:270
179699340,4rtkit-daemon1795-21rtkit-daemon19:57:150
179699340,3rtkit-daemon1795-21rtkit-daemon23:28:460
179699340,3rtkit-daemon1795-21rtkit-daemon22:03:030
179699340,3rtkit-daemon1795-21rtkit-daemon00:25:210
179699340,3rtkit-daemon0-21swapper/119:29:190
179699330,4rtkit-daemon1795-21rtkit-daemon23:17:260
179699330,3rtkit-daemon0-21swapper/122:57:480
179699330,3rtkit-daemon0-21swapper/119:21:190
179699320,4rtkit-daemon1795-21rtkit-daemon22:19:390
179699320,3rtkit-daemon0-21swapper/119:52:030
179699320,3rtkit-daemon0-21swapper/119:36:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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