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Andi Kleen
0fe7d7e976
Add a description of the JIT interface in the perf symbol resolution code. I reverse engineered the format from the source. Signed-off-by: Andi Kleen <[email protected]> Acked-by: Pekka Enberg <[email protected]> Cc: Pekka Enberg <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
16 lines
447 B
Plaintext
16 lines
447 B
Plaintext
perf supports a simple JIT interface to resolve symbols for dynamic code generated
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by a JIT.
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The JIT has to write a /tmp/perf-%d.map (%d = pid of process) file
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This is a text file.
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Each line has the following format, fields separated with spaces:
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START SIZE symbolname
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START and SIZE are hex numbers without 0x.
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symbolname is the rest of the line, so it could contain special characters.
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The ownership of the file has to match the process.
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