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authorScott Lystig Fritchie <[email protected]>2012-08-17 03:24:20 -0500
committerScott Lystig Fritchie <[email protected]>2012-08-17 04:39:36 -0500
commit75552bd3bb4e7f3cf4dab81a5c81cf73b1d3fb99 (patch)
tree58b9fbc507fbfe46aeee2311e7f308e8b70d7abf /.gitignore
parentf3c830eddc68d7269d4f48b13ddae40893929573 (diff)
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Relocate bodies of DTrace probes to the statically-linked VM.
Due to various operating systems (in both the DTrace and SystemTap worlds) not fully supporting DTrace probes (or SystemTap-compatibility mode probes) in shared libraries, we relocate those probes to the statically-linked virtual machine. This could be seen as pollution of the pristine VM by a (yet) experimental feature. However: 1. This code can be eliminated completely by the C preprocessor. 2. Leaving the probes in the dyntrace NIF shared library simply does not work correctly on too many platforms. *Many* thanks to Macneil Shonle at Basho for assisting when my RSI-injured fingers gave out. Tested on: * CentOS 5, SystemTap 1.3 * Solaris 10 (note) * Solaris 11 * OpenIndiana 151 * SmartOS 20120809T221258Z * FreeBSD 9.0-RELEASE (note) I had hoped to be able to test CentOS 6 + SystemTap 1.7, but the details of dealing with all dependencies for a 2.6.32-279.5.1.el6.x86_64 kernel are too time consuming right now. (note: Solaris 10 and FreeBSD 9.0-RELEASE can take a long time to compile)
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