linux-kernel - Re: [PATCH 3/5] ftrace perf: Use ftrace

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Message-ID: <20160323142653.GA6344@twins.programming.kicks-ass.net>
Date:	Wed, 23 Mar 2016 15:26:53 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jiri Olsa <jolsa@...nel.org>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: [PATCH 3/5] ftrace perf: Use ftrace_ops::private to store event
 pointer

On Wed, Mar 16, 2016 at 03:34:31PM +0100, Jiri Olsa wrote:
> Fixing this by using ftrace_ops::private value to keep
> the perf_event pointer. This way we don't need to search
> for triggered event (as tracepoint handler does) and
> directly store sample.

container_of(ops, struct perf_event, ftrace_ops) would also have worked,
right?