Re: [PATCH v3 0/7] perf/probe: Support multiprobe and immediates with fixes
From: Masami Hiramatsu
Date: Tue Nov 19 2019 - 08:46:11 EST
On Mon, 18 Nov 2019 19:11:04 -0300
Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote:
> Em Mon, Nov 18, 2019 at 05:11:40PM +0900, Masami Hiramatsu escreveu:
> > Hi Arnaldo,
> > This is the 3rd version of the multiprobe support on perf probe
> > including some fixes about "representive lines"
> > The previous thread is here:
> > https://lkml.kernel.org/r/157314406866.4063.16995747442215702109.stgit@devnote2
> > On the previous thread, we discussed some issues about incorrect line
> > information shown by perf probe. I finally fixed those by introducing
> > an idea of "representive line" -- a line which has a unique address
> > (no other lines shares the same address) or a line which has the least
> > line number among lines sharing same address. Now perf probe only shows
> > such representive lines can be probed([1/7][3/7]), and if user tries to
> > probe other non representive lines, it shows which line user should
> > probe ([2/7]). The rest of patches in the series are same as v2 (except
> > for [4/7], example output is updated)
> > This can be applied on top of perf/core.
> Thanks, applied everything, only the two last patches I didn't test, the
> kernel in this machine doesn't have the features it needs, we can fix
> things if some problem lurks there.
Thank you Arnaldo! OK, if anything happens, I'll fix it soon.
Masami Hiramatsu <mhiramat@xxxxxxxxxx>