Re: [PATCH v2 0/3] perf arm64: Support SDT
From: Arnaldo Carvalho de Melo
Date: Mon Dec 28 2020 - 11:47:56 EST
Em Fri, Dec 25, 2020 at 01:27:48PM +0800, Leo Yan escreveu:
> This patch is to enable SDT on Arm64.
>
> Since Arm64 SDT marker in ELF file is different from other archs,
> especially for using stack pointer (sp) to retrieve data for local
> variables, patch 01 is used to fixup the arguments for this special
> case. Patch 02 is to add argument support for Arm64 SDT.
>
> This patch set has been verified on Arm64/x86_64 platforms with a
> testing program usdt_test. The testing approach is described in the
> patch set v1 [1].
>
> Changes from v1:
> * Added Arnaldo's patch for fixing memory leak (Arnaldo);
> * Refined patch "perf probe: Fixup Arm64 SDT arguments" to use
> asprintf() and check pointer is valid or not (Arnaldo);
> * Minor changes in patch "perf arm64: Add argument support for SDT"
> for the regular expression;
> * Added Masami's Ack tag for patch 03.
>
> [1] https://lore.kernel.org/patchwork/cover/1356212/
>
This one made it into 5.11
> Arnaldo Carvalho de Melo (1):
> perf probe: Fix memory leak in synthesize_sdt_probe_command()
These were now merged in perf/core.
> Leo Yan (2):
> perf probe: Fixup Arm64 SDT arguments
> perf arm64: Add argument support for SDT
Thanks,
- Arnaldo