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Groups > linux.debian.user > #231478 > unrolled thread
| Started by | Hongbo Li <stevensbsd@yahoo.com> |
|---|---|
| First post | 2021-02-08 03:50 +0100 |
| Last post | 2021-02-10 10:30 +0100 |
| Articles | 3 — 3 participants |
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Compared with debian 10.7, debian 10.8 (with realtime kernel) cyclictest test max latency has increased significantly Hongbo Li <stevensbsd@yahoo.com> - 2021-02-08 03:50 +0100
Re: Compared with debian 10.7, debian 10.8 (with realtime kernel) cyclictest test max latency has increased significantly Peter Ehlert <peter@sdi-baja.com> - 2021-02-08 04:50 +0100
Re: Compared with debian 10.7, debian 10.8 (with realtime kernel) cyclictest test max latency has increased significantly Anders Andersson <pipatron@gmail.com> - 2021-02-10 10:30 +0100
| From | Hongbo Li <stevensbsd@yahoo.com> |
|---|---|
| Date | 2021-02-08 03:50 +0100 |
| Subject | Compared with debian 10.7, debian 10.8 (with realtime kernel) cyclictest test max latency has increased significantly |
| Message-ID | <BG4MF-5QX-5@gated-at.bofh.it> |
hi！My machine used to run debian 10.7 with realtime kernel (linux-img-rt-amd64)，everything is ok. A four hours cyclictest test has a result with max latency 8 microseconds. Yesterday I upgraded my machine to debian 10.8, and the version of kernel did not change ( 4.19.0-14-rt-amd64), but a new cyclictest test see a significantly increased max latency with 40 microseconds. I don't know why, please help me.
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| From | Peter Ehlert <peter@sdi-baja.com> |
|---|---|
| Date | 2021-02-08 04:50 +0100 |
| Subject | Re: Compared with debian 10.7, debian 10.8 (with realtime kernel) cyclictest test max latency has increased significantly |
| Message-ID | <BG5IJ-6wg-1@gated-at.bofh.it> |
| In reply to | #231478 |
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On 2/7/21 6:22 PM, Hongbo Li wrote: > hi！My machine used to run debian 10.7 with realtime kernel (linux-img-rt-amd64)，everything is ok. A four hours cyclictest test has a result with max latency 8 microseconds. Yesterday I upgraded my machine to debian 10.8, please read about Debian Point Releases ... https://wiki.debian.org/DebianReleases/PointReleases > and the version of kernel did not change ( 4.19.0-14-rt-amd64), but a new cyclictest test see a significantly increased max latency with 40 microseconds. I don't know why, please help me. someone else might be able to explain cyclictest testing > >
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| From | Anders Andersson <pipatron@gmail.com> |
|---|---|
| Date | 2021-02-10 10:30 +0100 |
| Subject | Re: Compared with debian 10.7, debian 10.8 (with realtime kernel) cyclictest test max latency has increased significantly |
| Message-ID | <BGTYR-4V8-5@gated-at.bofh.it> |
| In reply to | #231482 |
On Mon, Feb 8, 2021 at 4:45 AM Peter Ehlert <peter@sdi-baja.com> wrote: > > > On 2/7/21 6:22 PM, Hongbo Li wrote: > > hi！My machine used to run debian 10.7 with realtime kernel (linux-img-rt-amd64)，everything is ok. A four hours cyclictest test has a result with max latency 8 microseconds. Yesterday I upgraded my machine to debian 10.8, > > please read about Debian Point Releases ... https://wiki.debian.org/DebianReleases/PointReleases Which part of that page is relevant to OP? I don't see it.
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