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Date: Fri, 15 Feb 2019 16:05:06 -0200 From: Arnaldo Carvalho de Melo <acme@...hat.com> To: Song Liu <songliubraving@...com> Cc: Netdev <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "ast@...nel.org" <ast@...nel.org>, "daniel@...earbox.net" <daniel@...earbox.net>, Kernel Team <Kernel-team@...com>, "peterz@...radead.org" <peterz@...radead.org>, "jolsa@...nel.org" <jolsa@...nel.org>, "namhyung@...nel.org" <namhyung@...nel.org>, acme@...nel.org Subject: Re: [PATCH v2 perf,bpf 09/11] perf-top: add option --bpf-event Em Fri, Feb 15, 2019 at 05:06:19PM +0000, Song Liu escreveu: > > On Feb 15, 2019, at 6:27 AM, Arnaldo Carvalho de Melo <acme@...hat.com> wrote: > > Em Thu, Feb 14, 2019 at 04:00:10PM -0800, Song Liu escreveu: > >> bpf events are only tracked when opts->bpf_event is enabled. This patch > >> adds command line flag to enable this for perf-top. > > Shouldn't this start as enabled and we just provide a way to disable it > > for testing purposes? Normally perf top works system wide, and then we > > want to get info about BPF events, I think. > We can enable it by default, and add a --no-bpf-event option to disable it > for testing. Excellent, thanks. - Arnaldo
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