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Diffstat (limited to 'lib/observer/doc')
| -rw-r--r-- | lib/observer/doc/src/notes.xml | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/lib/observer/doc/src/notes.xml b/lib/observer/doc/src/notes.xml index baa1354268..a9554a08f4 100644 --- a/lib/observer/doc/src/notes.xml +++ b/lib/observer/doc/src/notes.xml @@ -31,6 +31,125 @@ <p>This document describes the changes made to the Observer application.</p> +<section><title>Observer 1.0</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + The following bugs in <c>ttb</c> have been corrected:</p> + <p> + <list> <item><c>ttb:tracer/2</c> would earlier crash when + trying to set up tracing for a diskless node to wrap + files, i.e. when option + <c>{file,{local,{wrap,Filename,Size,Count}}}</c> was + used.</item> <item><c>ttb:stop([fetch])</c> would + sometimes silently fail if multiple nodes with different + current working directories were traced.</item> + <item><c>ttb:stop([fetch])</c> would crash if the tracer + was started with option + <c>{file,{local,Filename}}</c></item> <item>A deadlock + would sometimes occur due to an information printout from + the <c>ttb_control</c> process when <c>ttb</c> was + stopped.</item> </list></p> + <p> + Own Id: OTP-9431</p> + </item> + <item> + <p> + The file trace port to which the IP trace client relays + all traces from diskless nodes was not flushed and closed + properly on ttb:stop. This has been corrected.</p> + <p> + Own Id: OTP-9665</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + A new GUI for Observer. Integrating pman, etop, appmon + and tv into observer with tracing facilities.</p> + <p> + Own Id: OTP-4779</p> + </item> + <item> + <p> + The following new features are added to <c>ttb</c>:</p> + <p> + <list> <item>A one-command trace setup is added, + <c>ttb:start_trace/4</c>.</item> <item>The following new + options are added to <c>ttb:tracer/2</c>: <list> + <item><em><c>shell</c></em> - Show trace messages on the + console in real time</item> <item><em><c>timer</c></em> - + Time constrained tracing</item> + <item><em><c>overload</c></em> - Overload + protection</item> <item><em><c>flush</c></em> - Flush + file trace port buffers with given frequency</item> + <item><em><c>resume</c></em> - Automatically resume + tracing after node restart</item> </list> </item> <item> + A new shortcut is added for common tracer settings + similar to using the <c>dbg</c> module directly, + <c>ttb:tracer(shell | dbg)</c>. </item> <item> Some + shortcuts are added for commonly used match + specifications in <c>ttb:tp</c> and <c>ttb:tpl</c>. + </item> <item> The <c>Options</c> argument to functions + <c>ttb:tracer</c>, <c>ttb:write_config</c>, + <c>ttb:stop</c> and <c>ttb:format</c> may now be one + single option instead of a list. </item> <item> The + history buffer of the last trace is now always + automatically dumped to the file <c>ttb_last_config</c> + when <c>ttb:stop</c> is called. </item> <item> The + following new options are added to <c>ttb:stop/1</c>: + <list> <item><em><c>fetch_dir</c></em> - Specify where to + store fetched logs</item> + <item><em><c>{format,FormatOpts}</c></em> - Specify + options to use when formatting the fetched logs</item> + <item><em><c>return_fetch_dir</c></em> - Indicate that + the return value from <c>ttb:stop/1</c> should include + the name of the directory where the fetched logs are + stored</item> </list> </item> <item> The option + <c>disable_sort</c> is added to <c>ttb:format/2</c>. When + this option is used, trace messages from different logs + are not merged according to timestamps, but just appended + one log after the other. </item> </list></p> + <p> + Own Id: OTP-9403</p> + </item> + <item> + <p> + The following non backwards compatible changes are done + in <c>ttb</c>:</p> + <p> + <list> <item> When setting up trace with ttb, the + 'timestamp' trace flag will now always be set. </item> + <item> The 'fetch' option to ttb:stop/1 is removed since + it is now default behavior that trace logs are fetched + when stopping ttb. Fetching can be disabled with the + 'nofetch' option to ttb:stop/1. </item> <item> The name + of the upload directory is changed from + ttb_upload-Timestamp to ttb_upload_FileName-Timestamp. + </item> <item> To format the output using 'et', you now + need to provide the option {handler,ttb:get_et_handler()} + instead of {handler,et}. </item> <item> When formatting a + trace log, the handler state was earlier reset after each + trace file, this is now changed so the handler state is + passed not only from one trace message to the next in the + same file, but also from one file to the next. </item> + </list></p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-9430</p> + </item> + </list> + </section> + +</section> + <section><title>Observer 0.9.10</title> <section><title>Fixed Bugs and Malfunctions</title> |