linux-kernel - Re: [PATCH V3 0/5] Support auto counter reload

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Message-ID: <Z8ZmcyJl_otpzRgX@tassilo>
Date: Mon, 3 Mar 2025 18:33:23 -0800
From: Andi Kleen <ak@...ux.intel.com>
To: Stephane Eranian <eranian@...gle.com>
Cc: kan.liang@...ux.intel.com, peterz@...radead.org, mingo@...hat.com,
	acme@...nel.org, namhyung@...nel.org, irogers@...gle.com,
	adrian.hunter@...el.com, alexander.shishkin@...ux.intel.com,
	linux-kernel@...r.kernel.org, dapeng1.mi@...ux.intel.com,
	thomas.falcon@...el.com
Subject: Re: [PATCH V3 0/5] Support auto counter reload

> > the branch-instructions is overflowed. So the "cause" event is the
> > branch-instructions event. The acr_mask is set to 0x2, since the
> > event index of branch-instructions is 1.
> >
> What is your definition of 'event index' here? Is it the position on
> the cmdline?

It's the index into the group.

-Andi