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| author | Patrik Nyblom <[email protected]> | 2012-03-22 18:29:34 +0100 |
|---|---|---|
| committer | Patrik Nyblom <[email protected]> | 2012-03-22 18:30:07 +0100 |
| commit | 5957a8338fe1f4e79a39277174094bbd9e978896 (patch) | |
| tree | 4abcf47850e2a577b401a61bb1693d85cb137ffe /erts/doc | |
| parent | b5f6596f49db47e6dacddb2b10292a7294e13993 (diff) | |
| parent | 1e653c3539423e4cfdeab1d232483bcac0e8b073 (diff) | |
| download | otp-5957a8338fe1f4e79a39277174094bbd9e978896.tar.gz otp-5957a8338fe1f4e79a39277174094bbd9e978896.tar.bz2 otp-5957a8338fe1f4e79a39277174094bbd9e978896.zip | |
Merge branch 'pan/dtrace' into maint
* pan/dtrace: (22 commits)
Use distinct function-entry probes for local and global calls
Correct calculation of stack depth in call/return probes
Add probes for all kind of calls
Don't try to "clean up" generated fun names
erl_process.c: Fix probe for process exit
Remove code causing dialyzer warning from prim_file
Add documentation for dyntrace and system_info changes
Update slogan and add system_info for dynamic trace
Update README's for dtrace and systemtap
Rename dyntrace BIFs to more suiting names
If VM probes are not enabled, short-circuit calls to probe BIFs
beam_makeops: Add a simple preprocessor
Ifdef all dynamic trace code
Move dtrace erlang code and NIF into runtime_tools
Correct some errors in the user tag spreading
Change to more specific configure options for dtrace
Add user tag spreading functionality to VM and use in file
Update dtrace for changes in R15
Add DTrace support for OS X, Solaris, and Linux (via SystemTap), 4/4
Add DTrace support for OS X, Solaris, and Linux (via SystemTap), 3/4
...
OTP-10017
Diffstat (limited to 'erts/doc')
| -rw-r--r-- | erts/doc/src/erlang.xml | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 0776599fae..0963904b83 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -5744,6 +5744,29 @@ ok used by the runtime system. It will be on the form <seealso marker="erts:erl_driver#version_management">"<major ver>.<minor ver>"</seealso>.</p> </item> + <tag><c>dynamic_trace</c></tag> + <item> + <p>Returns an atom describing the dynamic trace framework + compiled into the virtual machine. It can currently be either + <c>dtrace</c>, <c>systemtap</c> or <c>none</c>. For a + commercial or standard build, this is always <c>none</c>, + the other return values indicate a custom configuration + (e.g. <c>./configure --with-dynamic-trace=dtrace</c>). See + the <seealso marker="runtime_tools:dyntrace">dyntrace + </seealso> manual page and the + <c>README.dtrace</c>/<c>README.systemtap</c> files in the + Erlang source code top directory for more information + about dynamic tracing.</p> + </item> + <tag><c>dynamic_trace_probes</c></tag> + <item> + <p>Returns a <c>boolean()</c> indicating if dynamic trace probes + (either dtrace or systemtap) are built into the + emulator. This can only be <c>true</c> if the virtual + machine was built for dynamic tracing + (i.e. <c>system_info(dynamic_trace)</c> returns + <c>dtrace</c> or <c>systemtap</c>).</p> + </item> <tag><c>elib_malloc</c></tag> <item> <p>This option will be removed in a future release. |