[PATCH 20/31] perf, core: Add generic transaction flags

From: Andi Kleen Add a generic qualifier for transaction events, as a new sample type that returns a flag word. This is particularly useful for qualifying aborts: to distinguish aborts which happen due to asynchronous events (like conflicts caused by another CPU) versus instructions that lead to

[PATCH 20/31] perf, core: Add generic transaction flags

From: Andi Kleen a...@linux.intel.com Add a generic qualifier for transaction events, as a new sample type that returns a flag word. This is particularly useful for qualifying aborts: to distinguish aborts which happen due to asynchronous events (like conflicts caused by another CPU) versus