linux-kernel - Re: [PATCH v2 33/40] tracing: Add hist trigger support for variable reference aliases

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Date:   Fri, 8 Sep 2017 15:09:55 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Tom Zanussi <tom.zanussi@...ux.intel.com>
Cc:     tglx@...utronix.de, mhiramat@...nel.org, namhyung@...nel.org,
        vedang.patel@...el.com, bigeasy@...utronix.de,
        joel.opensrc@...il.com, joelaf@...gle.com,
        mathieu.desnoyers@...icios.com, baohong.liu@...el.com,
        linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: [PATCH v2 33/40] tracing: Add hist trigger support for variable
 reference aliases

On Tue,  5 Sep 2017 16:57:45 -0500
Tom Zanussi <tom.zanussi@...ux.intel.com> wrote:

> Add support for alias=$somevar where alias can be used as
> onmatch($alias).

This change log is very lacking. What exactly is the purpose of alias?

Sounds like the variable is going undercover.

-- Steve

> 
> Signed-off-by: Tom Zanussi <tom.zanussi@...ux.intel.com>