pub fn set_log_vmodule(pattern: &str) -> Result<(), String>Expand description
Sets module-specific log levels using a pattern string.
Pattern format follows the RUST_LOG environment variable syntax:
module1=level1,module2=level2- Example:
reth::sync=debug,reth::net=trace - Example:
info,reth::stages=debug
An empty string resets the filter to the default level (INFO).
Updates all reloadable layers (stdout, file, etc.).
Returns an error if no log handle is installed or if parsing fails.