Re: [PATCH v1 1/2] arm: a driver for on-chip ETM and ETB

2009-10-12 Thread Alexander Shishkin
2009/10/12 Linus Walleij linus.ml.wall...@gmail.com: 2009/10/11 Alexander Shishkin virtu...@slind.org: This driver implements support for on-chip Embedded Tracing Macrocell and Embedded Trace Buffer. It allows to trigger tracing of kernel execution flow and exporting trace output to userspace

[PATCH v1 1/2] arm: a driver for on-chip ETM and ETB

2009-10-11 Thread Alexander Shishkin
This driver implements support for on-chip Embedded Tracing Macrocell and Embedded Trace Buffer. It allows to trigger tracing of kernel execution flow and exporting trace output to userspace via character device and a sysrq combo. Trace output can then be decoded by a fairly simple open source

Re: [PATCH v1 1/2] arm: a driver for on-chip ETM and ETB

2009-10-11 Thread Linus Walleij
2009/10/11 Alexander Shishkin virtu...@slind.org: This driver implements support for on-chip Embedded Tracing Macrocell and Embedded Trace Buffer. It allows to trigger tracing of kernel execution flow and exporting trace output to userspace via character device and a sysrq combo. Cool, can

Re: [PATCH v1 1/2] arm: a driver for on-chip ETM and ETB

2009-10-11 Thread Russell King - ARM Linux
On Mon, Oct 12, 2009 at 12:07:57AM +0200, Linus Walleij wrote: First, these are registered as platform devices, should they not be AMBA devices (i.e. PrimeCells?) I think that's what they are, and they probably have device ID:s to be matched in the last words of their 4K pages do they not? It