Re: [PATCH v3] tools: perf: add comm_nodigit column

[Namhyung Kim]

On Fri, 20 Mar 2026 16:45:53 -0700, Stephen Brennan wrote:
> The "comm" column allows grouping events by the process command. It is
> intended to group like programs, despite having different PIDs. But some
> workloads may adjust their own command, so that a unique identifier
> (e.g. a PID or some other numeric value) is part of the command name.
> This destroys the utility of "comm", forcing perf to place each unique
> process name into its own bucket, which can contribute to a
> combinatorial explosion of memory use in perf report.
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung