linux-kernel - Re: [PATCH v1 0/4] Pipe mode header dumping and minor space saving

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Message-Id: <175095968444.2045399.15438256971505917077.b4-ty@kernel.org>
Date: Thu, 26 Jun 2025 10:41:24 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
 Arnaldo Carvalho de Melo <acme@...nel.org>, 
 Mark Rutland <mark.rutland@....com>, 
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>, 
 Jiri Olsa <jolsa@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>, 
 Kan Liang <kan.liang@...ux.intel.com>, James Clark <james.clark@...aro.org>, 
 Zhongqiu Han <quic_zhonhan@...cinc.com>, 
 Yicong Yang <yangyicong@...ilicon.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 0/4] Pipe mode header dumping and minor space saving

On Fri, 06 Jun 2025 23:12:34 -0700, Ian Rogers wrote:
> Pipe mode has no header and emits the data as if it were events. The
> dumping of features was controlled by the --header/-I options which
> makes little sense when they are events, normally traced when
> dump_trace is true. Switch to making pipe feature events also be
> traced with detail when other events are.
> 
> The attr event in pipe mode had no dumping, wire this up and use the
> existing perf_event_attr fprintf support.
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung