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Re: [Libunwind-devel] [PATCH 0/1] Fast back-trace for x86_64 for only
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From: |
Lassi Tuura |
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Subject: |
Re: [Libunwind-devel] [PATCH 0/1] Fast back-trace for x86_64 for only collecting the call stack |
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Date: |
Thu, 27 May 2010 22:13:47 +0200 |
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User-agent: |
SquirrelMail/1.4.19 |
Hi,
One correction :-)
> Any given profile of ours is likely to include at least 50'000 unique
> call sites.
That's 50k after mapping to functions. We hit up to ~280k unique call site
addresses in the frame cache, as I reported in the message starting this
thread. (Hence the 10-20% if you were wondering.) Our frame cache is
currently 2M address slots.
Lassi