Why is my `go tool pprof` output empty or broken?

go tool pprof Function Failures

Issue:

Despite previous success with the pprof tool, it has recently stopped generating meaningful data. Regardless of the target being profiled, the output consistently appears empty or broken.

Potential Causes:

• Missing Binary Path: The go tool pprof command is being executed without specifying the binary to be profiled.

Troubleshooting Steps:

To resolve this issue, ensure that the go tool pprof command includes the path to the binary being profiled. The correct syntax is:

<code class="bash">go tool pprof ./path/to/binary /path/to/profile.pprof</code>

For example, if the binary is named my_app and the profile file is located at /tmp/my_app.pprof, the command should be:

<code class="bash">go tool pprof ./my_app /tmp/my_app.pprof</code>

Additional Tips:

• If the issue persists, try using the -seconds flag to specify the duration of profiling. A longer duration may provide more meaningful results.
• Ensure that the binary being profiled is built with debug symbols enabled (e.g., -gcflags all=-N -l) to allow for accurate profiling.
• Check for any permission issues with the profile file or the directory it is located in.

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