linux-kernel - Re: [PATCH 3/4] SUNRPC: Replace dprintk() call site in xs_data

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Message-ID: <20220725120659.1a00a3e2@gandalf.local.home>
Date:   Mon, 25 Jul 2022 12:06:59 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Chuck Lever III <chuck.lever@...cle.com>,
        Trond Myklebust <trondmy@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 3/4] SUNRPC: Replace dprintk() call site in
 xs_data_ready

On Mon, 25 Jul 2022 12:49:20 -0300
Arnaldo Carvalho de Melo <acme@...nel.org> wrote:

> Perhaps it'd be better to check if libtracevent-devel is installed and
> use it, falling back to tools/lib/traceevent/ and then adding a warning
> that the in-tree codebase is being used?

Yeah, this is the way trace-cmd went. For a few releases, it would just
warn that it couldn't find the system libraries, and then fall back to the
internals, and then it finally just removed the internals and failed with a
message stating where to get the necessary libraries.

-- Steve