linux-kernel - Re: [PATCH 1/2] perf: Add closing sibling events' file descriptors

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Message-ID: <20200810203632.GF3982@worktop.programming.kicks-ass.net>
Date:   Mon, 10 Aug 2020 22:36:32 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Andi Kleen <ak@...ux.intel.com>
Cc:     Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        Jiri Olsa <jolsa@...nel.org>, alexey.budankov@...ux.intel.com,
        adrian.hunter@...el.com
Subject: Re: [PATCH 1/2] perf: Add closing sibling events' file descriptors

On Mon, Aug 10, 2020 at 07:45:18AM -0700, Andi Kleen wrote:

> Unfortunately we're kind of stuck with the old NFILE=1024 default
> even though it makes little sense on modern servers.

Why can't that be changed? It seems to me all of userspace changes all
the time; heck that system-doofus thing flushed 20+ years of sysadmin
experience down the drain, just cause. Why can't we up a file limit?