[PATCH v2 0/3] perf arm64: Support SDT

Arnaldo Carvalho de Melo acme at kernel.org
Mon Dec 28 07:54:43 EST 2020


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



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