From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2EA8B248F51; Fri, 25 Jul 2025 18:48:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753469330; cv=none; b=SrlC8YlLuQKpZSVVjTFBzUAjxKCUZSrOe/zJvbtD/B4XgawdJvGHsHUIdWuB0+LRYOc91u0bUnsTqdSIjM8bmKkYdH6EcCOn14K6vIf4cs6x57N40yCwb3ieUHYXsYD5kWHXw3VphMDLgIBtk7mQpjRW9UDwQE0/BXEj7qwE4y0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753469330; c=relaxed/simple; bh=RlknX0vzhROJhBJ1EeUOmu3hXegLxVyHI7T59Vp02nw=; h=From:To:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=LLXbMXzntDc83R3Hl7PzwCeEygHpxfH/rQdvDew2ptcc7CUWZxlCyJU1BaSzi9GIoQqSAGDU24rPYkLLrIUsYHfD1L13xRHSxjPX1gxNvGnRqhj6ZLE6dOj+Uo9z/+v1IKsIgASb1a3/301ryyK50AZAu+rexaspCWNpbW8A8Jg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FRP4q7tm; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FRP4q7tm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F26DC4CEEF; Fri, 25 Jul 2025 18:48:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753469329; bh=RlknX0vzhROJhBJ1EeUOmu3hXegLxVyHI7T59Vp02nw=; h=From:To:In-Reply-To:References:Subject:Date:From; b=FRP4q7tm1xPJeFdBL2wnwhO+fnUdjdzfRFEHmuiYjoTdxHrKJERSdMkAgIeKdn26H oFqoQ/ebsKR7D9VZLzxrlO2NywY6fl39B5uPeu4NfIC9NtWoKTM9zTkz0WXv2AnKY0 oY7iVju4gNQ+hwyGajg51XI1K5vqj/8EY5AikJpfvkRfWCZgPWMLU5LeifJsl34Isu PZboWBlOvw8ZGYLcgiOnyXNujgTh9m1CXFD3Pm6UyA2m08za5sGd/pndM96BwDaHrF nm1XDK18hxgE9TtoF3uUIHUSmrO32DHkvKNzLA81i/ivSwsgbmByp9yY5knAcH4X5A XwNBkhgbDgu3g== From: Namhyung Kim To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , Kan Liang , Jean-Philippe Romain , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Ian Rogers In-Reply-To: <20250722013449.146233-1-irogers@google.com> References: <20250722013449.146233-1-irogers@google.com> Subject: Re: [PATCH v1] perf pfm: Don't force loading of all PMUs Message-Id: <175346932935.1444596.3621368930739538107.b4-ty@kernel.org> Date: Fri, 25 Jul 2025 11:48:49 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.15-dev-c04d2 On Mon, 21 Jul 2025 18:34:49 -0700, Ian Rogers wrote: > Force loading all PMUs adds significant cost because DRM and other > PMUs are loaded, it should also not be required if the pmus__ > functions are used. > > Tested by run perf test, in particular the pfm related tests. Also > `perf list` is identical before and after. > > [...] Applied to perf-tools-next, thanks! Best regards, Namhyung