Cc: Mark Rutland <mark.rutland-AT-arm.com>, Alexander Shishkin <alexander.shishkin-AT-linux.intel.com>, Adrian Hunter <adrian.hunter-AT-intel.com>, Kan Liang <kan ...
The kernel's perf events subsystem can produce high-quality profiles, with full function-call chains, of resource usage within the kernel itself. Developers, however, often would like to see profiles ...