Messages in this thread | | | Date | Wed, 17 Oct 2018 17:22:26 +0900 | From | Masami Hiramatsu <> | Subject | Re: perf's handling of unfindable user symbols... |
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On Tue, 16 Oct 2018 15:45:06 -0300 Arnaldo Carvalho de Melo <acme@redhat.com> wrote:
> > So, I thought something had changed and in the past we would somehow > find that address in the kallsyms, but I couldn't find anything to back > that up, the patch introducing this is over a decade old, lots of things > changed, so I was just thinking I was missing something. > > I tried a gtod busy loop to generate vdso activity and added a 'perf > probe' at that branch, on x86_64 to see if it ever gets hit: > > Made thread__find_map() noinline, as 'perf probe' in lines of inline > functions seems to not be working, only at function start. (Masami?)
Thank you for reporting it. Hmm, what happened when you did it? I checked some points, but seems no problem. (Would you see no line number? or defined event didn't work?)
Thank you,
-- Masami Hiramatsu <mhiramat@kernel.org>
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