Re: [PATCH v10 0/4] perf arm-spe: Allow synthesizing of branch instructions

[James Clark]

On 25/10/2024 11:52 am, Graham Woodward wrote:
> Currently the --itrace=b will only show branch-misses but this change
> allows perf to synthesize branches as well.
>
> The change also incorporates the ability to display the target
> addresses when specifying the addr field if the instruction is a branch.
>
> Graham Woodward (4):
>    perf arm-spe: Set sample.addr to target address for instruction sample
>    perf arm-spe: Use ARM_SPE_OP_BRANCH_ERET when synthesizing branches
>    perf arm-spe: Correctly set sample flags
>    perf arm-spe: Update --itrace help text
>
>   tools/perf/Documentation/itrace.txt       |  2 +-
>   tools/perf/Documentation/perf-arm-spe.txt |  2 +-
>   tools/perf/builtin-script.c               |  1 +
>   tools/perf/util/arm-spe.c                 | 31 ++++++++++++++++++-----
>   tools/perf/util/auxtrace.h                |  3 +--
>   tools/perf/util/event.h                   |  1 +
>   6 files changed, 29 insertions(+), 11 deletions(-)

Hi Graham,

I think this is V1? Also it looks like the base doesn't include a few of 
the new SPE changes and it doesn't apply cleanly. Make sure it's based 
of the latest (46610ba41ef1)

With that LGTM:

Reviewed-by: James Clark <james.clark@xxxxxxxxxx>