The usage of proftool in docs is incorrect. If proftool is used without
'-o' argument, it will show the usage like following
$ ./sandbox/tools/proftool -m sandbox/System.map -t trace -f funcgraph dump-ftrace >trace.dat
Must provide trace data, System.map file and output file
Usage: proftool [-cmtv] <cmd> <profdata>
Change '>' to '-o' to fix it.
Signed-off-by: Puhan Zhou <puh4n.zhou@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Guide shows incorrect usage of proftool, which is confusing. If proftool
is used w/o '-o' argument it complains like following
$ ./sandbox/tools/proftool -m sandbox/System.map -t trace dump-ftrace > trace.dat
Must provide trace data, System.map file and output file
Usage: proftool [-cmtv] <cmd> <profdata>
s/>/-o/ fixes it and proftool outputs decoded data to trace.dat
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Revamp the documentation for the new features, including a description of
the new features and documentation for the trace command.
Signed-off-by: Simon Glass <sjg@chromium.org>
At present there are Kconfig options for tracing, but sandbox uses
plain #defines to set them. Correct this and make the tracing command
default to enabled so that this is not needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Convert README.trace to reStructured text and move it to develop/trace.rst.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
