Hi Dmitry,
Thank you for your response. The mystery is that we are not doing mmap
anonymous, and ftrace shows high time for clear page.
I suspect, the file is being unlinked before being opened. But we haven't
been able to trace it yet.
Regards,
Brijesh
On Mon, Oct 11, 2021 at 12:38 PM Dmitr
Hi Brijesh,
2021-10-11 10:25 (UTC-0700), Brijesh Singh:
> Hi there,
> We are seeing high mmap time for 1G hugepage during eal memalloc init. Most
> time is spent for clearing page, each 4k size..
> It's not clear to me why clear huge pages is called? The code mmaps rte_map
> file with map_populate
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