[patch] Profiling bits

[Jules Bergmann]

This patch:

  - adds row/col to Fftm event names to indicate which type of Fft is
    being done.
  - adds info to the name returned by the Transpose_tag evaluator
    name() to distinguish between copy and transpose.
  - adds a '-sum' option to fmt-profile to sum the times for events
    nested under events with 0 operations (and compute the mflop/s).
  - adds a '-extra <event>' option to fmt-profile to add synthetic
    events with the extra time not accounted for in nested events.
    The rationale for requiring the event name to be specified is that
    many nested library events will have unaccounted for time (i.e.
    Ffts with scaling).

An example profile output with '-sum' and '-extra "Kernel1 total"' 
options is attached.

Don, is this OK to commit?

				-- Jules

-- 
Jules Bergmann
CodeSourcery
jules at codesourcery.com
(650) 331-3385 x705
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