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Inviso
Release Notes
Version 0.6.3

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- Inviso Release Notes
  - Top of chapter
  - Inviso 0.6.3
  - Inviso 0.6.2
  - Inviso 0.6.1
  - Inviso 0.6
  - Inviso 0.5
  - Inviso 0.4
  - Inviso 0.3
  - Inviso 0.2.1
  - Inviso 0.2
  - Inviso 0.1

# 1 Inviso Release Notes

This document describes the changes made to the Inviso application.

### 1.1 Inviso 0.6.3

#### Improvements and New Features

- The inviso application has been deprecated and will be removed in the R16 release.

  Own Id: OTP-9798

- Eliminate use of deprecated regexp module

  Own Id: OTP-9810

### 1.2 Inviso 0.6.2

#### Fixed Bugs and Malfunctions

- The obsolete guards has now been changed to the new guard interface.

  Own Id: OTP-8747

### 1.3 Inviso 0.6.1

#### Improvements and New Features

- The documentation is now built with open source tools (xsltproc and fop) that exists on most platforms. One visible change is that the frames are removed.

  Own Id: OTP-8201

### 1.4 Inviso 0.6

#### Fixed Bugs and Malfunctions

- In this release the following has been fixed and enhanced: Autostart: It is now possible to configure modules that shall be loaded by the autostart mechanism. This because it is not certain that all application systems make use of the OTP boot script to set up paths to all Erlang modules. Runtime_tools/Inviso: A bug in the fetch_log functionality has been fixed. Further a bug that was (supposedly) fixed in a previous patch concerning meta-tracer write_ti has been fixed (again) in this patch. A bug in inviso_as_lib making remote autostart config file updates fail has been fixed. Inviso: inviso_tool has been given a flush API.

  Own Id: OTP-6918

### 1.5 Inviso 0.5

#### Improvements and New Features

- The following bugs/improvements have been done: Internal interworking between inviso_rt and inviso_rt_meta. The call function used by inviso_rt to call inviso_rt_meta is now protected with a monitor. Inviso_rt_meta now includes the timestamp of the incoming meta trace message when calling the call-callback. (Makes it possible to add a "better" timestamp to the ti-file.) Bug in inviso_tool making it not remove trace patterns when terminating. Bug in internal function h_start_session making inviso_tool crash if there were no active nodes to start the session on. The user-inviso_tool and inviso API-inviso control component request/response gen_server protocols had default time-out. Since many trace operations can be time consuming, a longer time-out is necessary. Improved overload protection. It is now possible to let the overload protection renew itself (e.g after an exit from an external overload protector). Inviso_rt_meta now fully uses the exception_trace match spec action term. Run Trace Case API (as in contrast to activate and deactivate trace case APIs) in inviso_tool. Flush trace-port API added to inviso. Get_session_data API added to inviso_tool. Improved inviso_tool:stop making it possible to name nodes which shall not have their trace patterns removed when inviso_tool terminates. Bug in handling of writing multiple ti-entries if returned from a call/return_from call-back in inviso_rt_meta Process trace flags are no longer explicitly removed by the inviso_tool when it terminates. Not necessary. Inviso_tool get_autostart_data adopted to standard autostarter.

  *** INCOMPATIBILITY with Meta trace call-backs are called with different arguments now. ***

  Own Id: OTP-6881

### 1.6 Inviso 0.4

#### Fixed Bugs and Malfunctions

- A bug in inviso_rt_meta caused an ETS table containing information on initiated (init_tpm) functions to be lost when suspending tracing. Further an enhancement to inviso_rt has been introduced making it possible to activate process trace flags based on globally registered names. It is then not an error to activate a global name on a node where the name does not reside. The process count in the return value will simply be set to zero (hence exactly one node in the NodeResult part of the return value will indicate one matching process found). A bug was found in fetch_log API. At the same time the fetch_log functionality was enhanced to also offer flow control making fetcher processes send chunks of transferred file data at a slower pace.

  Own Id: OTP-6703

#### Improvements and New Features

- Minor Makefile changes.

  Own Id: OTP-6689 Aux Id: OTP-6742

### 1.7 Inviso 0.3

#### Improvements and New Features

- In this release the first working version of the inviso_tool is included. Updates and small bugfixes in the inviso application.

  Own Id: OTP-6677

### 1.8 Inviso 0.2.1

#### Improvements and New Features

- Misc improvements.

  Own Id: OTP-6576

### 1.9 Inviso 0.2

#### Fixed Bugs and Malfunctions

- This ticket includes several improvements and bugfixes to both runtime_tools and inviso. The overload mechanism can now also react to incoming messages. This is useful if an external overload watch-dog is used. Some improvements of variable bindings has been done to the default autostart mechanism - inviso_autostart_server. Autostart "jobs" can now be done in parallel, allowing for some jobs to hang waiting for some parts of the traced system to become ready before proceeding. Previously when using named meta-match-specs (tpm_ms) ending up with zero match-specs still kept the meta trace pattern active. This caused zero match-specs to be equal to unlimited meta tracing on that particular function. If the internal database becomes empty of meta match specs, meta trace pattern is removed for that function. Standard public loop data in the inviso runtime meta tracer process is now extended to a 2-tuple. The functions ctp/1 and ctpl/1 are added making it possible to remove trace patterns for a list of functions rather than one by one. Inviso_rt_meta will now accept a list of binaries to be output into the trace information file, in additions to a single binary. Further it is also possible to make own output to the trace information file using the write_ti/1 function. An error was discovered in inviso_rt making the inviso_rt_meta remain rather than terminate if the inviso_rt terminated due to "running alone" (not allowed to run without a control component). A new tool, inviso_tool, has been added to the inviso application.

  Own Id: OTP-6426

### 1.10 Inviso 0.1

First version.