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mmiotrace: add user documentation

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Signed-off-by: Pekka Paalanen <pq@iki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Pekka Paalanen
2008-05-12 21:20:59 +02:00
committed by Thomas Gleixner
parent 736ca61fa8
commit c6c67c1afc
2 changed files with 156 additions and 5 deletions
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8
arch/x86/Kconfig.debug
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@@ -180,12 +180,10 @@ config MMIOTRACE
help
Mmiotrace traces Memory Mapped I/O access and is meant for
debugging and reverse engineering. It is called from the ioremap
implementation and works via page faults. A user space program is
required to collect the MMIO data from debugfs files.
Tracing is disabled by default and can be enabled from a debugfs
file.
implementation and works via page faults. Tracing is disabled by
default and can be enabled run-time.
See http://nouveau.freedesktop.org/wiki/MmioTrace
See Documentation/tracers/mmiotrace.txt.
If you are not helping to develop drivers, say N.
config MMIOTRACE_TEST