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2025-04-02 - 06:32
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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 Wed Apr 02, 2025 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63129599488485,2cyclictest834783-21turbostat00:40:001
63129599444441,2cyclictest775456-21turbostat23:20:001
63129599430409,19cyclictest811679-21turbostat00:10:001
63129599424421,2cyclictest670994-21turbostat20:59:541
63129599410407,2cyclictest767273-21turbostat23:10:001
63129599371369,1cyclictest797199-21turbostat23:54:551
63129599352346,4cyclictest660236-21turbostat20:25:001
63129599351347,3cyclictest815836-21turbostat00:15:001
63129599345343,1cyclictest670994-21turbostat20:55:001
63129599323321,1cyclictest633173-21turbostat19:15:001
63129599310308,1cyclictest756741-21turbostat22:55:011
63129599310307,2cyclictest660236-21turbostat20:29:541
6307562285191,57sleep10-21swapper/119:05:361
6311372261188,58sleep00-21swapper/019:09:430
63129599258250,6cyclictest641617-21turbostat19:35:001
63129599255249,4cyclictest643576-21turbostat19:44:551
63129599255248,5cyclictest719548-21turbostat22:09:551
63129099248238,8cyclictest645147-21fwupd19:41:020
63129599244237,5cyclictest633173-21turbostat19:19:551
63129599243236,5cyclictest667107-21turbostat20:44:591
63129599243236,5cyclictest637723-21turbostat19:29:561
63129599242223,17cyclictest760768-21turbostat23:00:001
63129599241235,4cyclictest823949-21turbostat00:29:551
63129599240234,4cyclictest779433-21turbostat23:29:551
63129599237230,5cyclictest819996-21turbostat00:20:001
63129599237230,5cyclictest794125-21turbostat23:49:551
63129599236229,5cyclictest735091-21turbostat22:29:551
63129599231225,4cyclictest665143-21turbostat20:40:011
63129599227223,3cyclictest707392-21turbostat21:50:011
63129599227221,4cyclictest741865-21turbostat22:34:591
63129599220212,6cyclictest676863-21turbostat21:10:011
63129599219212,5cyclictest771334-21turbostat23:14:591
63129599218212,4cyclictest689402-21turbostat21:29:541
63129599216208,6cyclictest637723-21turbostat19:25:001
63129599213207,4cyclictest731174-21turbostat22:20:001
63129599213206,5cyclictest722693-21turbostat22:14:551
63129599211205,4cyclictest823949-21turbostat00:25:001
63129599207200,5cyclictest779433-21turbostat23:25:011
63129599207199,6cyclictest685278-21turbostat21:20:001
63129599198191,5cyclictest649440-21turbostat19:55:001
63129599195188,5cyclictest681142-21turbostat21:15:001
63129599190183,5cyclictest696178-21turbostat21:34:591
63129599188182,4cyclictest651390-21turbostat20:00:001
63129599186179,5cyclictest656319-21turbostat20:14:591
63129599185179,4cyclictest782057-21turbostat23:34:551
63129599184178,4cyclictest746019-21turbostat22:40:001
63129599183176,5cyclictest764684-21turbostat23:05:001
63129599178172,4cyclictest696178-21turbostat21:39:551
63129599177173,3cyclictest735091-21turbostat22:25:011
63129599176170,4cyclictest707392-21turbostat21:54:561
63129599175169,4cyclictest719548-21turbostat22:04:591
63129599175168,5cyclictest647488-21turbostat19:50:001
63129599168164,3cyclictest750063-21turbostat22:45:001
63129599165159,4cyclictest653362-21turbostat20:09:561
63129599158152,4cyclictest651390-21turbostat20:04:561
63129599154149,3cyclictest689402-21turbostat21:25:001
63129599153147,4cyclictest752701-21turbostat22:50:001
6312909915163,76cyclictest720007-21apt-config22:05:020
63129599150144,4cyclictest790210-21turbostat23:40:001
63129599150143,5cyclictest669047-21turbostat20:50:001
63129599144137,5cyclictest674914-21turbostat21:05:001
63129599140134,4cyclictest658274-21turbostat20:20:001
63129599138131,5cyclictest801291-21turbostat23:59:551
63129599137135,1cyclictest643576-21turbostat19:40:001
63129599131125,4cyclictest794125-21turbostat23:45:001
63129599125119,4cyclictest830656-21turbostat00:35:001
63129599120112,6cyclictest809323-21turbostat00:05:001
631290991134,95cyclictest719799-21latency_hist22:05:010
6312959910498,4cyclictest711429-21turbostat21:59:551
6312959910196,3cyclictest662839-21turbostat20:35:011
631295997569,4cyclictest700708-21turbostat21:44:541
631290997268,3cyclictest805380-21turbostat00:04:550
128499630,3rtkit-daemon0-21swapper/120:39:060
128499580,4rtkit-daemon1283-21rtkit-daemon21:36:340
128499550,4rtkit-daemon1283-21rtkit-daemon20:13:190
128499550,3rtkit-daemon1283-21rtkit-daemon21:27:510
128499530,3rtkit-daemon1283-21rtkit-daemon23:29:020
128499520,3rtkit-daemon1283-21rtkit-daemon21:18:170
128499520,3rtkit-daemon0-21swapper/020:58:140
128499500,4rtkit-daemon1283-21rtkit-daemon19:19:420
631290994516,5cyclictest13-21ksoftirqd/023:20:000
128499450,3rtkit-daemon0-21swapper/021:42:190
128499450,3rtkit-daemon0-21swapper/020:30:480
128499430,3rtkit-daemon0-21swapper/019:54:350
63129099429,6cyclictest13-21ksoftirqd/022:50:000
128499420,3rtkit-daemon0-21swapper/123:40:380
128499420,3rtkit-daemon0-21swapper/020:24:300
128499410,3rtkit-daemon0-21swapper/122:15:390
63129099407,5cyclictest13-21ksoftirqd/023:15:000
63129099406,5cyclictest13-21ksoftirqd/022:30:020
128499400,4rtkit-daemon0-21swapper/122:58:470
128499400,3rtkit-daemon0-21swapper/121:51:450
128499400,3rtkit-daemon0-21swapper/020:27:470
63129099399,5cyclictest13-21ksoftirqd/020:55:010
63129099397,6cyclictest13-21ksoftirqd/019:35:000
63129099396,5cyclictest13-21ksoftirqd/023:05:010
128499390,3rtkit-daemon0-21swapper/120:01:000
128499390,3rtkit-daemon0-21swapper/100:36:130
63129099386,5cyclictest13-21ksoftirqd/022:00:010
63129099386,5cyclictest13-21ksoftirqd/021:25:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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