Add support for logging background job enqueue callers #47839
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I recently released a gem (https://github.com/fatkodima/job_enqueue_logger) for logging when background jobs are enqueued (additionally with backtraces). Idea is similar to a familiar SQL query tracing, but for background jobs. Getting such info is useful for debugging and generally understanding whats going on in a large app. There was a warm welcome of such a feature on reddit.
That gem works only with raw background processors, which are not logging any info when the job is enqueued. Fortunately, ActiveJob already logs such an info, but is missing backtraces. I was suggested to implement that upstream, so this PR adds backtraces on top of that.
It looks like this:
cc @byroot (as we discussed this)