On Mon, Feb 28, 2022 at 05:04:11PM -0800, Namhyung Kim wrote: > The __mutex_lock_slowpath() and friends are declared as noinline and > _RET_IP_ returns its caller as mutex_lock which is not meaningful. > Pass the ip from mutex_lock() to have actual caller info in the trace. Blergh, can't you do a very limited unwind when you do the tracing instead? 3 or 4 levels should be plenty fast and sufficient.
