Commit-ID: 0fe7d7e9761ec7e23350b5543ddac470bb3cde1e Gitweb: http://git.kernel.org/tip/0fe7d7e9761ec7e23350b5543ddac470bb3cde1e Author: Andi Kleen <a...@linux.intel.com> AuthorDate: Thu, 9 Aug 2012 08:31:00 -0700 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Mon, 13 Aug 2012 14:55:02 -0300
perf symbols: Add description of JIT interface 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 <a...@linux.intel.com> Acked-by: Pekka Enberg <penb...@cs.helsinki.fi> Cc: Pekka Enberg <penb...@cs.helsinki.fi> Link: http://lkml.kernel.org/r/1344526260-18721-1-git-send-email-a...@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/Documentation/jit-interface.txt | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/tools/perf/Documentation/jit-interface.txt b/tools/perf/Documentation/jit-interface.txt new file mode 100644 index 0000000..a8656f5 --- /dev/null +++ b/tools/perf/Documentation/jit-interface.txt @@ -0,0 +1,15 @@ +perf supports a simple JIT interface to resolve symbols for dynamic code generated +by a JIT. + +The JIT has to write a /tmp/perf-%d.map (%d = pid of process) file + +This is a text file. + +Each line has the following format, fields separated with spaces: + +START SIZE symbolname + +START and SIZE are hex numbers without 0x. +symbolname is the rest of the line, so it could contain special characters. + +The ownership of the file has to match the process. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
