Re: [PATCH v4 0/2] perf trace: Correct cpumask formatting and add --bitmask-list

From: Namhyung Kim

Date: Sun Jul 26 2026 - 01:24:24 EST


On Wed, 22 Jul 2026 11:50:47 -0400, Aaron Tomlin wrote:
> This series corrects cpumask formatting inside 'perf trace' and introduces
> a new command-line option to display these masks as human-readable CPU
> lists.
>
> Currently, when parsing tracepoints containing 'cpumask_t' fields (which
> are represented as dynamic non-array fields in libtraceevent), 'perf trace'
> incorrectly interprets and prints the raw length and offset descriptor as a
> decimal integer (i.e., "cpumask: 524320") rather than formatting the actual
> mask data.
>
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung