Re: [PATCH 05/14] perf tools: Introduce new 'ftrace' tool

[Jiri Olsa]

On Tue, Apr 23, 2013 at 05:31:03PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@xxxxxxx>
> 

SNIP

> +out:
> +	put_tracing_file(file);
> +	return ret;
> +}
> +
> +static int reset_tracing_files(struct perf_ftrace *ftrace __maybe_unused)
> +{
> +	if (write_tracing_file("tracing_on", "0") < 0)
> +		return -1;
> +
> +	if (write_tracing_file("current_tracer", "nop") < 0)
> +		return -1;
> +
> +	if (write_tracing_file("set_ftrace_pid", " ") < 0)
> +		return -1;

I think we want to reset set_ftrace_pid file as well
probably to -1..

if I'm tracing command with this file having wrong CPU(s)
I dont get any data..

jirka
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