Re: [PATCH v6 11/26] perf arm-spe: Set default synthesized event period to 1

[sashiko-bot@kernel.org]

> When using --itrace=M for data type profiling on arm64, the 'Percent'
> values in perf annotate output are all zero:
> 
> Annotate type: 'struct mmu_gather_batch' in [kernel.kallsyms] (15 samples):
> ============================================================================
>  Percent     offset       size  field
>     0.00          0       0x10  struct mmu_gather_batch  {
>     0.00          0        0x8      struct mmu_gather_batch*    next;
>     0.00        0x8        0x4      unsigned int        nr;
>     0.00        0xc        0x4      unsigned int        max;
>     0.00       0x10          0      struct encoded_page*[]      encoded_pages;
>                                 };
> 
> However, adding the -n option (show-nr-samples) reveals non-zero sample counts:
> 
> [ ... ]
>     0.00        0xc        0x4      unsigned int        max;
>     0.00       0x10          0      struct encoded_page*[]      encoded_pages;
>                                 };
> 
> Signed-off-by: Tengda Wu <wutengda@huaweicloud.com>

Sashiko has reviewed this patch and found no issues. It looks great!

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Sashiko AI review · https://sashiko.dev/#/patchset/cover.1789521520.git.wutengda@huaweicloud.com?part=11