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2025-12-05 - 17:13
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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 rack6slot0.osadl.org (updated Fri Dec 05, 2025 13:01:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
356799290252,14cyclictest0-21swapper/3809:10:1532
356799290252,14cyclictest0-21swapper/3809:10:1532
356799290252,14cyclictest0-21swapper/3809:10:1532
356799237216,9cyclictest0-21swapper/3812:25:2032
356799237216,9cyclictest0-21swapper/3812:25:2032
356799237216,9cyclictest0-21swapper/3812:25:2032
356799237205,15cyclictest0-21swapper/3811:15:1932
356799237205,15cyclictest0-21swapper/3811:15:1932
356799225206,5cyclictest3078-21CPU32
356799225206,5cyclictest3078-21CPU32
356799225206,5cyclictest3078-21CPU32
3568992157,111cyclictest5119-21NetworkChangeNo11:50:2033
3568992157,111cyclictest5119-21NetworkChangeNo11:50:2033
3554992121,205cyclictest0-21swapper/2807:10:1921
3554992121,205cyclictest0-21swapper/2807:10:1921
356799209192,8cyclictest11893-21qemu-system-x8609:35:1632
356799209192,8cyclictest11893-21qemu-system-x8609:35:1632
356799209192,8cyclictest11893-21qemu-system-x8609:35:1632
354499209127,74cyclictest9334-21CPU14
354499209127,74cyclictest9334-21CPU14
354499209127,74cyclictest9334-21CPU14
35409920926,164cyclictest31804-21inotify_reader10:00:229
35409920926,164cyclictest31804-21inotify_reader10:00:229
35409920926,164cyclictest31804-21inotify_reader10:00:229
35689920413,80cyclictest36795-21nfsd10:05:1933
35689920413,80cyclictest36795-21nfsd10:05:1933
35689920413,80cyclictest36795-21nfsd10:05:1933
3519991983,6cyclictest4634-21CPU12
3519991983,6cyclictest4634-21CPU12
3519991983,6cyclictest4634-21CPU12
35349919736,157cyclictest4909-21CPU3
35349919736,157cyclictest4909-21CPU3
35349919736,157cyclictest4909-21CPU3
3533991979,90cyclictest35849-21NetworkChangeNo11:35:172
3533991979,90cyclictest35849-21NetworkChangeNo11:35:162
354199196173,3cyclictest0-21swapper/1812:30:2010
354199196173,3cyclictest0-21swapper/1812:30:2010
354199196173,3cyclictest0-21swapper/1812:30:2010
353799196155,37cyclictest11901-21CPU6
353799196155,37cyclictest11901-21CPU6
35199919632,152cyclictest11528-21inotify_reader11:50:1912
35199919632,152cyclictest11528-21inotify_reader11:50:1912
3559991941,189cyclictest28748-21inotify_reader10:25:1924
3559991941,189cyclictest28748-21inotify_reader10:25:1924
35579919455,135cyclictest33178-21inotify_reader10:50:1822
35579919455,135cyclictest33178-21inotify_reader10:50:1822
35579919455,135cyclictest33178-21inotify_reader10:50:1822
354499194150,32cyclictest0-21swapper/2109:48:3914
354499194150,32cyclictest0-21swapper/2109:48:3914
354499194150,32cyclictest0-21swapper/2109:48:3914
3565991937,174cyclictest15981-21CPU30
3565991937,174cyclictest15981-21CPU30
3565991937,174cyclictest15981-21CPU30
35599919311,166cyclictest15978-21CPU24
35599919311,166cyclictest15978-21CPU24
35599919311,166cyclictest15978-21CPU24
3519991937,175cyclictest36795-21nfsd12:10:1912
3519991937,175cyclictest36795-21nfsd12:10:1912
354399192186,3cyclictest0-21swapper/2012:15:5113
354399192186,3cyclictest0-21swapper/2012:15:5113
354399192186,3cyclictest0-21swapper/2012:15:5113
356799191185,4cyclictest0-21swapper/3807:27:0732
356799191185,4cyclictest0-21swapper/3807:27:0732
3565991911,6cyclictest0-21swapper/3611:25:1930
3565991911,6cyclictest0-21swapper/3611:25:1830
353999191119,52cyclictest0-21swapper/1611:36:298
353999191119,52cyclictest0-21swapper/1611:36:298
353799191185,4cyclictest0-21swapper/1407:50:336
35189919117,88cyclictest22230-21inotify_reader09:45:181
35189919117,88cyclictest22230-21inotify_reader09:45:181
35189919117,88cyclictest22230-21inotify_reader09:45:181
35549918736,78cyclictest11893-21qemu-system-x8611:00:1921
35549918736,78cyclictest11893-21qemu-system-x8611:00:1821
35549918736,78cyclictest11893-21qemu-system-x8611:00:1821
3554991871,171cyclictest0-21swapper/2811:55:1921
3554991871,171cyclictest0-21swapper/2811:55:1921
3554991871,171cyclictest0-21swapper/2811:55:1921
3548991871,177cyclictest0-21swapper/2408:40:1817
3548991871,177cyclictest0-21swapper/2408:40:1817
35689918614,87cyclictest30306-21inotify_reader09:45:1933
35689918614,87cyclictest30306-21inotify_reader09:45:1933
35689918614,87cyclictest30306-21inotify_reader09:45:1933
35229918629,139cyclictest38764-21inotify_reader10:00:2223
35229918629,139cyclictest38764-21inotify_reader10:00:2223
35229918629,139cyclictest38764-21inotify_reader10:00:2223
35449918517,93cyclictest8632-21inotify_reader12:10:1914
35449918517,93cyclictest8632-21inotify_reader12:10:1914
35199918513,5cyclictest37334-21inotify_reader10:45:2012
35199918513,5cyclictest37334-21inotify_reader10:45:2012
35199918513,5cyclictest37334-21inotify_reader10:45:2012
356799184175,7cyclictest0-21swapper/3810:01:3532
356799184175,7cyclictest0-21swapper/3810:01:3532
356799184175,7cyclictest0-21swapper/3810:01:3532
35479918450,80cyclictest4911-21CPU16
35479918450,80cyclictest4911-21CPU16
35479918450,80cyclictest4911-21CPU16
354599184163,18cyclictest0-21swapper/2212:12:2515
354599184163,18cyclictest0-21swapper/2212:12:2515
353799183172,8cyclictest0-21swapper/1411:34:176
353799183172,8cyclictest0-21swapper/1411:34:176
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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