Re: [PATCH 08/12] perf report: Add --progress option

[sashiko-bot@kernel.org]

> From: Arnaldo Carvalho de Melo <acme@redhat.com>
> 
> Processing a large data type profiling session, e.g. an AMD IBS one, can
> take a long time and, when using the stdio output, 'perf report' gives no
> feedback about which phase it is in nor about how far along it is: the
> TUI has a progress bar for that, but in the stdio case the ui_progress
> updates, that are already there, are dropped on the floor.
> 
> Add a --progress option that installs a stdio backend for ui_progress,
> ui/stdio/progress.c, printing the phase title, the percentage done and
> the current/total counts to stderr:
> 
>   Processing events... [ 42.3%] 317M / 746M
>   Merging related events... [ 61.0%] 309026 / 506686
>   Sorting events for output... [ 98.2%] 14132 / 14387
> [ ... ]
>   88: Test that perf report handles truncated perf.data gracefully (no crash, no segfault — clean error exit).: Ok
>   ⬢ [acme@toolbx perf-tools-next]$
> 
> Assisted-by: LLM
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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

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Sashiko AI review · https://sashiko.dev/#/patchset/20260916114740.48230-1-acme@kernel.org?part=8