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Message-ID: <CAEr6+EB89otsHVOnYNGQ_gbo_g=2fNiU4+3pk06YWFrpZDy=kQ@mail.gmail.com>
Date: Tue, 31 Jan 2023 17:55:16 +0800
From: Jeff Xie <xiehuan09@...il.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: mingo@...hat.com, mhiramat@...nel.org, zanussi@...nel.org,
linux-kernel@...r.kernel.org, chensong_2000@....cn
Subject: Re: [PATCH v15 0/4] trace: Introduce objtrace trigger to trace the
kernel object
Hi Steve,
On Sat, Dec 17, 2022 at 4:27 PM Jeff Xie <xiehuan09@...il.com> wrote:
>
> On Wed, Nov 30, 2022 at 12:30 AM Steven Rostedt <rostedt@...dmis.org> wrote:
> >
> > On Wed, 30 Nov 2022 00:09:51 +0800
> > Jeff Xie <xiehuan09@...il.com> wrote:
> >
> > > > Now instead of searching the function arguments for "obj", we should just
> > > > read the obj value at every function and report when it changed, as well as
> > > > the last function it was still the same. The report will be like the
> > > > "func_repeats" entry. And instead we can print when the object changes,
> > > > something like this:
> > > >
> > > > cat-117 [002] ...2. 1.602245: bio_add_page <-ext4_mpage_readpages object:0xffff88811bee4000 value:0x2000 (last value:0x1000 at [002] __bio_add_page <-bio_add_page ts: 1.602245)
> > >
> > >
> > > I'm just curious if we'll see this rewritten version in the next merge
> > > window ;-)
> >
> > Unfortunately, this ended up getting dropped in priority, as my workload
> > increased internally. :-/
>
I would like to ask if there is any hope that this patchset can be
merged into the linux kernel in the end.
We spent a lot of time on this patchset, I don't want to give up so easily ;-)
--
Thanks,
JeffXie
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