RFR: 8366232: JFR startup messages are shown with -Xlog:jfr+startup=warning

Mon Sep 1 12:16:44 UTC 2025

On Wed, 27 Aug 2025 12:07:54 GMT, Johannes Bechberger <jbechberger at openjdk.org> wrote:

> Only print the JFR startup messages when no or a < warning log level is set explicitly by the user.

Without this change, `jfr+startup=warning` doesn't affect the startup logging at all, and it shows the startup message, which was confusing to one of our users (why is it showing `[info]` tagged startup messages when the warning level is set).

I'll look into how it handles files later in the day

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PR Comment: https://git.openjdk.org/jdk/pull/26957#issuecomment-3242135188