linux-kernel - Re: [PATCH v1] perf stat bperf cgroup: Increase MAX

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Message-Id: <176092632423.143093.13411796449610394890.b4-ty@kernel.org>
Date: Mon, 20 Oct 2025 11:12:04 +0900
From: Namhyung Kim <namhyung@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
 Arnaldo Carvalho de Melo <acme@...nel.org>, 
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>, 
 Jiri Olsa <jolsa@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>, 
 linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org, 
 bpf@...r.kernel.org, Ian Rogers <irogers@...gle.com>
Subject: Re: [PATCH v1] perf stat bperf cgroup: Increase MAX_EVENTS from 32
 to 1024

On Thu, 16 Oct 2025 08:07:18 -0700, Ian Rogers wrote:

> The MAX_EVENTS value ensured a counted loop presumably to satisfy the
> BPF verifier. It is possible to go past 32 events when gathering
> uncore events. Increase the amount to 1024 as that should provide some
> amount of headroom.
> 
> 

Applied to perf-tools-next, thanks!

Best regards,
Namhyung