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From: Jiri Olsa <jolsa@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Jiri Olsa <jolsa@kernel.org>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	Namhyung Kim <namhyung@kernel.org>
Subject: Re: [PATCH 2/5] tools lib api fs: Add tracefs mount helper functions
Date: Sun, 25 Jan 2015 17:56:19 +0100	[thread overview]
Message-ID: <20150125165619.GF31987@krava.brq.redhat.com> (raw)
In-Reply-To: <20150124181448.680347393@goodmis.org>

On Sat, Jan 24, 2015 at 01:13:32PM -0500, Steven Rostedt wrote:

SNIP

> @@ -0,0 +1,29 @@
> +#ifndef __API_TRACEFS_H__
> +#define __API_TRACEFS_H__
> +
> +#define _STR(x) #x
> +#define STR(x) _STR(x)
> +
> +/*
> + * On most systems <limits.h> would have given us this, but  not on some systems
> + * (e.g. GNU/Hurd).
> + */
> +#ifndef PATH_MAX
> +#define PATH_MAX 4096
> +#endif
> +
> +#ifndef TRACEFS_MAGIC
> +#define TRACEFS_MAGIC          0x74726163
> +#endif

I missed the point when tracefs became actual standalone
filesystem.. I'll check ;-)

Is it mutualy exclusive to 'debugfs/tracing' or those 2 can live together?

jirka

  parent reply	other threads:[~2015-01-25 16:56 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-24 18:13 [PATCH 0/5] perf: Have perf become tracefs aware Steven Rostedt
2015-01-24 18:13 ` [PATCH 1/5] tools lib fs: Add helper to find mounted file systems Steven Rostedt
2015-01-25 16:41   ` Jiri Olsa
2015-01-25 19:20     ` Steven Rostedt
2015-01-24 18:13 ` [PATCH 2/5] tools lib api fs: Add tracefs mount helper functions Steven Rostedt
2015-01-25 16:45   ` Jiri Olsa
2015-01-25 19:22     ` Steven Rostedt
2015-01-25 16:51   ` Jiri Olsa
2015-01-25 19:24     ` Steven Rostedt
2015-01-25 16:56   ` Jiri Olsa [this message]
2015-01-25 19:26     ` Steven Rostedt
2015-01-26  9:02       ` Jiri Olsa
2015-01-26 14:26         ` Steven Rostedt
2015-01-26 14:31           ` Jiri Olsa
2015-01-26 14:44             ` Arnaldo Carvalho de Melo
2015-01-24 18:13 ` [PATCH 3/5] tools lib api fs: Add DEBUGFS_DEFAULT_PATH macro Steven Rostedt
2015-01-24 18:13 ` [PATCH 4/5] tools lib api fs: Add {tracefs,debugfs}_configured() functions Steven Rostedt
2015-01-25 17:02   ` Jiri Olsa
2015-01-25 19:27     ` Steven Rostedt
2015-01-24 18:13 ` [PATCH 5/5] perf: Make perf aware of tracefs Steven Rostedt
2015-01-25 13:50   ` Namhyung Kim
2015-01-25 19:19     ` Steven Rostedt
2015-01-25 17:34   ` Jiri Olsa
2015-01-25 19:31     ` Steven Rostedt
2015-01-26  8:57       ` Jiri Olsa

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