Ninjavis is a tool that visualizes Ninja build logs, providing insights into build processes. It parses the log file to create an interactive HTML visualization displaying the dependencies between build targets and their execution times. This allows developers to quickly identify bottlenecks, parallelisms, and dependencies within their builds, facilitating optimization and debugging. The visualization includes features like zooming, panning, and searching, making it easier to navigate complex build graphs and understand the flow of the build process.
Christian Tietze reflects on the "software rake," a metaphor for accumulating small, seemingly insignificant tasks that eventually hinder progress on larger, more important work. He breaks down the rake's "prongs" into categories like maintenance, distractions, context switching, and unexpected issues. These prongs snatch time and attention, creating a sense of being busy but unproductive. Tietze advocates for consciously identifying and addressing these prongs through techniques like timeboxing, focused work sessions, and ruthless prioritization to clear the way for meaningful progress on significant projects.
Hacker News users discussed the various "prongs" of the Rake, agreeing with the author's general premise about complexity in software. Several commenters shared their own experiences wrestling with similar issues, particularly around build systems and dependency management. One pointed out the irony of Rake itself being a complex build system, while another suggested that embracing complexity is sometimes unavoidable, especially as projects mature. The impact of "worse is better" philosophy was debated, with some arguing it contributes to the problem and others suggesting it's a pragmatic necessity. A few users highlighted specific prongs they found particularly relevant, including the struggle to maintain compatibility and the pressure to adopt new technologies. Some offered alternative solutions, like focusing on smaller, composable tools and simpler languages, while others emphasized the importance of careful planning and design upfront to mitigate future complexity. There was also discussion about the role of organizational structure and communication in exacerbating these issues.
Summary of Comments ( 4 )
https://news.ycombinator.com/item?id=43208507
Hacker News users generally praised ninjavis for its potential usefulness in debugging and optimizing build processes. Several commenters pointed out the difficulty of parsing Ninja logs and appreciated a tool that could provide a visual representation. Some suggested desired features like the ability to filter by target or to integrate with existing build visualization tools like Chrome's tracing. One commenter expressed concern about the project's reliance on Python's regular expressions for parsing, suggesting it might be brittle. Another mentioned potential for improvement by leveraging Ninja's
-t query
functionality for more robust data extraction. Overall, the comments reflect a positive reception to the tool, with an emphasis on its practical applications for developers.The Hacker News post for "ninjavis – generate visualization from ninja build logs" has a modest number of comments, sparking a brief but focused discussion around the tool's utility and potential alternatives.
One commenter expresses appreciation for the tool, highlighting its value in understanding complex build processes, especially when dealing with large projects and unfamiliar codebases. They mention how visualizing the build dependencies can help identify bottlenecks and optimize the build process. This commenter doesn't mention any specific alternatives but focuses on the general benefit of build visualization.
Another commenter suggests Chrome's "about:tracing" as a potential alternative for visualizing build processes. They don't elaborate on the specifics of how it compares to ninjavis, leaving it as a suggestion for those familiar with Chrome's tracing tools to explore.
A third commenter mentions the utility of
ninja -t graph
for visualizing dependencies and suggests combining it withdot
. They further explain how they usesed
to filter the output for specific targets, making the visualization more manageable and focused. This commenter provides a practical example of an alternative approach for achieving similar visualization.Another individual mentions having previously used
ninja -t graph
withdot
and having written custom tooling on top of this to generate visualizations. This underscores the recurring theme of developers creating custom solutions for build visualization before tools like ninjavis became available. They further suggest filtering the graph output to target specific areas of interest, reinforcing the advice of the previous commenter.Finally, a commenter mentions
buildbuddy
, a commercial service offering similar functionality for build analysis and visualization. This introduces a commercial alternative to the open-source ninjavis and other DIY solutions discussed in the thread.In summary, the comments section primarily explores alternative methods for visualizing build processes, ranging from existing Ninja features combined with command-line tools to a commercial service. The overall sentiment is positive towards build visualization as a helpful tool for understanding and optimizing complex projects. The commenters offer practical tips and suggestions for those interested in exploring various options based on their needs and preferences.