Heartbeat

Diagnostics utility with web UI to analyze .NET application memory dump

Getting started

dotnet tool

.NET 9 SDK is required

dotnet tool install --global Heartbeat
# optional
export PATH=$PATH:$HOME/.dotnet/tools
heartbeat --dump <path-to-dump-file>

Open http://localhost:5000/ in web browser.

Native AOT

Heartbeat is also available in Native AOT version. You can download it from the latest release

Using Heartbeat

heartbeat [options]

Options:
  --dump <dump> (REQUIRED)  Path to a dump file
  --dac-path <dac-path>     A full path to the matching DAC dll for this
                            process.
  --ignore-dac-mismatch     Ignore mismatches between DAC versions
  --version                 Show version information
  -?, -h, --help            Show help and usage information

Features

See Features for more info.

Listening endpoint

Use ASPNETCORE_URLS environment variable to change default endpoint (export ASPNETCORE_URLS=http://0.0.0.0:5555 or $env:ASPNETCORE_URLS='http://127.0.0.1:5555')