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Date: Fri, 14 Nov 2025 15:27:42 -0800
From: Namhyung Kim <namhyung@kernel.org>
To: Pablo Galindo Salgado <pablogsal@gmail.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: [PATCH 2/2] perf test: Add python JIT dump test
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On Fri, Nov 14, 2025 at 10:27:43PM +0000, Pablo Galindo Salgado wrote:
> The version is likely the more reliable method, but you could use
> sys.is_stack_trampoline_active()
> in combination with the X option. For example:

My concern is platform support.  Is it available on ARM and others?

> 
> $ python -c 'import sys; print(sys.is_stack_trampoline_active())'
> False
> $ python -Xperf_jit -c 'import sys; print(sys.is_stack_trampoline_active())'
> True
> 
> If you get False even when passing Xperf_jit, then it is not supported.

I like this.  I guess it'll return False on unsupported archs.

Thanks,
Namhyung