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Replace compiled view paths in profiles #747

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stayallive
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@stayallive stayallive commented Aug 1, 2023

This works with: getsentry/sentry-php#1574, and is a PoC to show what that PR could be used for.

It replaces compiled view paths with their non-compiled paths (the ones you would actually look at in your editor).

Todo:

  • Profiler frame processor sentry-php#1574
  • Check and make sure we should replace filename / function and not more / other info
  • When zero-downtime deployments are in play the compiled path can be outside the base_path, we might need to add realpath(storage_path()) as a prefix path to fix this. This requires some more testing / investigating
  • Possibly memoize the results to prevent multiple I/O operations for the same path? (uses a little memory)

{
// Check if we are dealing with a frame for a cached view path
if (Str::startsWith($frame['filename'], '/storage/framework/views/')) {
$originalViewPath = $this->backtraceHelper()->getOriginalViewPathForCompiledViewPath($frame['abs_path']);
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Could we benchmark the perf overhead?

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I think we could but not sure how to quantify, since this does a few I/O operations to read the view file. In this WIP I didn't implement memoizing which could reduce the amount of operations needed when a view is seen multiple times. I could run this code a few iterations on my machine and see what the result is, but it's always an increase since before we didn't do anything.

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A rough ballpark would suffice.

@cleptric
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This is becoming more relevant now, as we'll ship a new performance issue that alerts users about regressed function durations. Having the path to the actual view file would make these issues more actionable.

@stayallive
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If we get this to a nice state we can also re-use the code for #513 and #739.

@stayallive stayallive self-assigned this Dec 21, 2023
@stayallive stayallive closed this May 27, 2024
@stayallive stayallive deleted the profile-view-paths branch May 27, 2024 11:55
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2 participants