pub(super) fn init_tracing() {
if tracing_subscriber::fmt()
.with_env_filter(
tracing_subscriber::EnvFilter::try_from_default_env().unwrap_or_else(|_| {
tracing_subscriber::EnvFilter::new(
"info,solana_metrics=off,solana_streamer=warn,solana_gossip=off",
)
}),
)
.try_init()
.is_err()
{
// Tracing was already initialized by embedding host.
}
}