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- Update all scripts to use the beam.smp emulator, since the non-SMP one
is gone
- Fix some scripts that had been copied directly from dtrace and were
invalid either for functions or for probe names
- Removed a driver__event probe check since it appears to not exist
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efile_drv is gone and so is the need for file-specific DTrace. The
new implementation works fine with the normal tracing mechanism so
there's nothing preventing anyone from making an erl_tracer nif
that forward these events to DTrace.
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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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It seems useful to be able to filter out (for example) just
the global calls.
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Also make dyntrace NIF's load in on_load instead of init/0
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