Massif Visualizer is a tool that - who'd guess that - visualizes massif data. You run your application in Valgrind with --tool=massif and then open the generated massif.out.%pid in the visualizer. Gzip or Bzip2 compressed massif files can also be opened transparently.


  • Interactive chart of memory consumption over time.
  • Detailed snapshot analysis with callgraph visualization (requires KGraphViewer).
  • Summary of peak memory consumption of all allocating functions.

Massif-Visualizer is distributed under the terms of the GNU General Public License (GPL), Version 2.


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Install on Linux This button only works with Discover and other AppStream application stores. You can also use your distribution's package manager.