Re: [PATCH v6 3/6] perf record: Add --call-graph fp,defer option for deferred callchains
From: Thomas Richter
Date: Fri Nov 21 2025 - 01:27:27 EST
On 11/21/25 00:48, Namhyung Kim wrote:
> Add a new callchain record mode option for deferred callchains. For now
> it only works with FP (frame-pointer) mode.
>
> And add the missing feature detection logic to clear the flag on old
> kernels.
>
> $ perf record --call-graph fp,defer -vv true
Does this also works for dwarf format?
# perf record --call-graph dwarf,defer ....
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Thomas Richter, Dept 3303, IBM s390 Linux Development, Boeblingen, Germany
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