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ENT-8096: Implemented policy profiler in cf-agent #5903

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ENT-8096: Implemented policy profiler in cf-agent #5903

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victormlg
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The policy evaluation creates multiple copies of the same bundle, promise, and function stack frames. The final evaluation tree is built on the assumption that the correct evaluation tree is the one with the longest execution time.

Example policy:

bundle agent main
{
  commands:
    "/bin/sleep 1";
}

To generate the profiling tree, run:
sudo /var/cfengine/bin/cf-agent -Kpf ~/profiler5.cf

{
  "children": [
    {
      "children": [
        {
          "children": [],
          "elapsed": 1007,
          "filename": "",
          "name": "commands",
          "offset": {
            "end": 0,
            "lineno": 4,
            "start": 67
          },
          "type": "promise"
        }
      ],
      "elapsed": 1012,
      "filename": "/home/vagrant/profiler5.cf",
      "name": "main",
      "offset": {
        "end": 85,
        "lineno": 1,
        "start": 13
      },
      "type": "bundle"
    }
  ],
  "elapsed": 1012,
  "filename": "",
  "name": "",
  "offset": {
    "end": 0,
    "lineno": 0,
    "start": 0
  },
  "type": "policy"
}

@victormlg
Implemented policy profiler in cf-agent
53e3014 
Changelog: The policy profiling logic is now implemented natively within the cf-agent, replacing the previous reliance on cf-agent logs and the cf-profile.pl script for faster execution.
Ticket: ENT-8096
Signed-off-by: Victor Moene <victor.moene@northern.tech>
@victormlg
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I still need to add functions execution in the profiler

github-advanced-security[bot]
github-advanced-security bot found potential problems Oct 14, 2025
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CodeQL found more than 20 potential problems in the proposed changes. Check the Files changed tab for more details.

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@victormlg
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