Created attachment 636830 [details] [diff] [review] Save ARM LR register in profiles This is a hacky stopgap until we get full stack walking support. We save the LR register with every PC sample, and then in the profiler UI we trust LR only from a set of whitelisted functions (mainly leaf functions from libc/bionic, e.g. various sycalls). This gives us a bit of a better idea what's being called, even if we don't have the full stack.
Created attachment 636837 [details] [diff] [review] Save ARM LR register in profiles Missing #ifdefs around saving ->lr
Comment on attachment 636837 [details] [diff] [review] Save ARM LR register in profiles r+ with the ifdef fixed to only add the L labels if we're coming from platform-linux so we don't trigger this on say windows arm.
On inbound as 2e9813915a1b