Re: [PATCH] perf jvmti: remove redundant jitdump line table entries

From: Nick Gasson
Date: Wed May 27 2020 - 01:40:26 EST


On 05/27/20 13:03 PM, Ian Rogers wrote:
>
> Great result, thanks! I note there is a lack of symbolization when
> benchmarking a few Java applications. I'll try to see if there's a
> sensible resolution for those.
>

I noticed it loses information when the Hotspot code cache is
resized. I've been working around that by setting
-XX:InitialCodeCacheSize and -XX:ReservedCodeCacheSize to large
values. Does this help in your case?

>
> It'd be better to make this into two patches. Also on acme's perf/core
> branch if possible:
> https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git/log/?h=perf/core

OK sure, I'll do that.

--
Nick