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Date: Tue, 3 Dec 2013 23:04:42 -0800 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: Adrien Vergé <adrienverge@...il.com> Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Russell King <linux@....linux.org.uk>, Ben Dooks <ben.dooks@...ethink.co.uk>, Will Deacon <will.deacon@....com>, Dietmar Eggemann <dietmar.eggemann@....com>, Andrew Morton <akpm@...ux-foundation.org>, "zhangwei(Jovi)" <jovi.zhangwei@...wei.com>, Randy Dunlap <rdunlap@...radead.org> Subject: Re: [PATCH 0/3] ARM Coresight: Enhance ETM tracing control On Tue, Dec 03, 2013 at 11:39:21PM -0500, Adrien Vergé wrote: > Usage of ETM tracing facility is currently very limited: user can > only start/stop tracing. This set of patches enables management of > address combinations and PIDs that trigger tracing. > > ETM management was done via sysfs entries (trace_info, > trace_running...), this code adds trace_addrrange and trace_pid to > let the user read/write custom values. I have lots to say about this from a sysfs point of view, but first, why is it in sysfs at all? Shouldn't all of this be in debugfs? greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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