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Diffstat (limited to 'Shell/Readme')
| -rw-r--r-- | Shell/Readme | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Shell/Readme b/Shell/Readme new file mode 100644 index 000000000000..9bf96ffdf8b5 --- /dev/null +++ b/Shell/Readme @@ -0,0 +1,35 @@ +Shell - DTracing Shell Scripting + + These scripts trace activity of various shell programming languages, + and make use of specific shell DTrace providers, which are either + integrated or available for download from the shells page listed below. + Each script has a prefix to make the shell language clear. + + http://www.opensolaris.org/os/community/dtrace/shells/ + + sh - the Bourne Shell. This provider was written by Alan Hargreaves and + is currently available both as a diff and in binary form from the shells + page. + + Since the DTrace Shell providers are under development, there is a chance + that they have changed slightly by the time you are reading this, causing + these scripts to either break or behave oddly. Firstly, check for newer + versions of the DTraceToolkit; if it hasn't been updated and you need + to use these scripts immediately, then updating them shouldn't take + too long. The following was the state of the providers when these scripts + were written - check for changes and update the scripts accordingly, + + provider sh { + probe function-entry(file, function, lineno); + probe function-return(file, function, rval); + probe builtin-entry(file, function, lineno); + probe builtin-return(file, function, rval); + probe command-entry(file, function, lineno); + probe command-return(file, function, rval); + probe script-start(file); + probe script-done(file, rval); + probe subshell-entry(file, childpid); + probe subshell-return(file, rval); + probe line(file, lineno); + }; + |