Re: PATCH [0/4] perf: clean-up of power events API
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- Subject: Re: PATCH [0/4] perf: clean-up of power events API
- From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
- Date: Sat, 9 Oct 2010 16:20:47 -0700
- Cc: Pierre Tardy <tardyp@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Frederic Weisbecker <fweisbec@xxxxxxxxx>, Thomas Renninger <trenn@xxxxxxx>, Jean Pihet <jean.pihet@xxxxxxxxxxxxxx>, linux-trace-users@xxxxxxxxxxxxxxx, linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-perf-users@xxxxxxxxxxxxxxx, rjw@xxxxxxx, linux-omap@xxxxxxxxxxxxxxx, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>, Frank Eigler <fche@xxxxxxxxxx>, Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
- In-reply-to: <1286658935.23994.3366.camel@xxxxxxxxxxxxxxxxxxx>
- References: <1286205661-24448-1-git-send-email-jean.pihet@xxxxxxxxxxxxxx> <201010062334.46971.trenn@xxxxxxx> <20101007150825.GB12581@Krystal> <AANLkTikT4xsh7iCQDX8ksewJwC-BeFov=Ab7iYo+hDmO@xxxxxxxxxxxxxx> <20101007155816.GA5351@nowhere> <4CAED2F0.9080801@xxxxxxxxxx> <20101008083819.GA22385@xxxxxxx> <4CAF19E7.3070103@xxxxxxxxxxxxxxx> <20101008134156.GA28724@Krystal> <20101009062836.GB5517@xxxxxxx> <AANLkTik6nO4i6xTuVYA9kBGFNpxYb70qimNcHPQKqTJ8@xxxxxxxxxxxxxx> <AANLkTimT5Or7gLDMnmLqSzmUoPux0pXrPxUZQpFon+6_@xxxxxxxxxxxxxx> <1286658935.23994.3366.camel@xxxxxxxxxxxxxxxxxxx>
On Sat, Oct 9, 2010 at 2:15 PM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>
> The difference here compared to all other user interfaces, is that this
> interface has the sole purpose of showing what is happening inside the
> kernel.
Bogus and dishonest argument.
Listen to yourself, and read this thread again.
The thread was about doing some kind of open-source library to allow
non-open-source access to these events, and keeping backwards
compatibility in user space. In fact, that is what you yourself said.
So you claimed it could be backwards-compatible. If that's the case,
then there is no excuse for not being so in the kernel.
You can't have it both ways. Stop the f*cking waffling.
Linus
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