Re: [GIT PULL] tracing/tools: Updates for 6.9

From: Steven Rostedt
Date: Wed Mar 20 2024 - 09:27:02 EST


On Wed, 20 Mar 2024 13:41:12 +0100
Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> wrote:

> On 3/20/24 00:02, Steven Rostedt wrote:
> > On Mon, 18 Mar 2024 18:41:13 +0100
> > Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> wrote:
> >
> >> Steven,
> >>
> >> Tracing tooling updates for 6.9
> >>
> >> Tracing:
> >> - Update makefiles for latency-collector and RTLA,
> >> using tools/build/ makefiles like perf does, inheriting
> >> its benefits. For example, having a proper way to
> >> handle dependencies.
> >>
> >> - The timerlat tracer has an interface for any tool to use.
> >> rtla timerlat tool uses this interface dispatching its
> >> own threads as workload. But, rtla timerlat could also be
> >> used for any other process. So, add 'rtla timerlat -U'
> >> option, allowing the timerlat tool to measure the latency of
> >> any task using the timerlat tracer interface.
> >>
> >> Verification:
> >> - Update makefiles for verification/rv, using tools/build/
> >> makefiles like perf does, inheriting its benefits.
> >> For example, having a proper way to handle dependencies.
> >>
> >>
> >> Please pull the latest trace-tools-v6.9 tree, which can be found at:
> >>
> >>
> >> git://git.kernel.org/pub/scm/linux/kernel/git/bristot/linux.git
> >> trace-tools-v6.9
> >
> > Looks like you just built on top of a random commit from Linus's tree:
>
> yeah :-/
>
> > commit f6cef5f8c37f58a3bc95b3754c3ae98e086631ca
> > Merge: 906a93befec8 8f06fb458539
> > Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> > Date: Sun Mar 17 16:59:33 2024 -0700
> >
> > Merge tag 'i3c/for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
> >
> > Linus prefers basing off of real tags or previous pulls from us.
>
> Ack, took note. I will do on top v6.8 tag.
>
> > Can you rebase your changes on v6.8 and resend?
> >
> > $ git checkout v6.8
> > $ git cherry-pick f6cef5f8c37f58a3bc95b3754c3ae98e086631ca..trace-tools-v6.9
> >
> > Appears to work fine.
>
> questions: when something go wrong in a pull request....
>
> - Should I keep the old tag, and then do another one with -2
> (it seems you do like this), or delete the old tag and send it again
> with the same name?

Just create a new tag.

>
> - Should I resend the PULL request with something in the log or
> at the Subject saying it is a v2 of the pull request?

Yes please.

>
> I could ask via chat, but I think it is good for the community to
> have access to these info.

+1

Thanks,


-- Steve