LGTM Enterprise 1.20

Exploring projects

Project repositories are the primary source of data for LGTM Enterprise. The detailed information generated by analyzing each repository is shown on the project page.

Project controls

The project page has a number of tabs, just under the name of the project.

Project controls

Click the tabs to find out more about the project:

Note that some tabs are not available if sparse analysis is enabled for the project.

You can also add the project to your project list (click + Follow) and run custom queries on the latest revision (click Query this project).

Project overview

By default, when you initially view a project that has historical data, the Overview tab is displayed. If no historical data is available for the project, the tab displayed by default is the Alerts tab.

You can see the current status of a project, how it's changed over time, and which commits made the biggest difference (for example: mozilla/pdf.js).

This tab is not available if your project is configured for sparse analysis. Your local LGTM administrator can enable sparse analysis for your projects.

On this page, from top to bottom, you see:

  • Project controls—use these to choose a different data view, follow the project, or query the project
  • History chart—initially this shows all revisions analyzed:
    • Curves showing changes in the overall size (purple) and quality (red) of the code base—high numbers of alerts indicate lower quality
    • Positive and negative bars showing the lines added and deleted
  • Summary—shows the current status of the project or the changes over the period selected in the history chart
  • Commit list—shows the commits shown in the chart, most recently analyzed first

Use these areas to find out more about different aspects of the project. Use the Language drop-down list to:

  • Filter the page to show data for only one language, if more than one language is analyzed.
  • Try analysis of a language that hasn't been attempted yet. For more information, see Adding a language to a project.

History chart

The chart combines a line chart and a bar chart. The line chart shows alerts (the red curve) and lines of code or comments (the purple curve). The bars of the bar chart show the number of lines of code added during a period of time. Lines added are shown as light gray bars above the x axis, and lines deleted as darker gray bars below the x axis.

History chart

Hover over the chart to show details of the alerts and lines of code change for the commit represented by that point on the chart.

Click and drag to zoom in on an area of the chart.

The curves on the chart always use a data point for every commit. In the bar chart, commits are aggregated across one or more days so that 40–50 bars are displayed—select a month of data to display one bar per day.


The summary data displayed reflects the period displayed in the history chart.

Current status

When the full history chart is displayed, the summary shows the number of active alerts and lines of code in analyzed files for the latest revision. The number of contributors identified over the whole history analyzed is also shown.

Current status

Summary for selected period

When you zoom in to a section of the history chart, the summary shows the number of commits made over that period, with the impact on alerts in the code and size of the analyzed files. Notice that the size is reported as "lines." This measures changes in the number of lines of comment as well as code, excluding white space changes.

Current status

In the example above, the 36 commits made in October 2016 added 1,300 new lines of code/comment, and deleted 160 lines of code/comment, resulting in 12 new alerts and 0 fixed alerts.

Commit list

The commit list shows the commits made in the period shown in the history chart, most recent first. It always displays the last 10 commits, or the ones made in the last 24 hours. Commits without alert changes are hidden by default.

Zoom in to the chart to focus on a particular period or commit. For example, to find the commit behind a big change in code size, or alerts, zoom in to the history chart until only a few days/commits are displayed.

Commits area

Analysis status is shown by a green dot (successfully analyzed) or red dot (analysis of one or more languages failed).

Hover over the changed Lines to show the split between added and deleted lines of code.

Click the hidden commits text to show commits with no changes to analyze. Typically these commits involve changes to code written in a language that is not analyzed, or files that are, by default, not displayed (for example, generated files).

More information

For detailed information on any commit :

  • Click Commit message to show the commit page. This includes a link to that commit in the repository, full details of any new or fixed alerts, and details of any excluded files.
  • Click the Green/red analysis status dot ( in the screenshot above) to open the log viewer. This includes the full build, import, and analysis logs for the commit and its parent commits (hovering over a dot with your mouse displays a tooltip with more information).

    For more information on logs, see Using the log viewer and Viewing extraction and analysis logs.

    Commit status

    Log files are deleted regularly to save storage space, therefore old files may no longer be available.