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SubjectRe: [PATCH v15 0/4] trace: Introduce objtrace trigger to trace the kernel object
On Wed, 30 Nov 2022 00:09:51 +0800
Jeff Xie <xiehuan09@gmail.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. :-/

-- Steve

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