c6965ad63f
In TestCgoPprofThread, the (fake) cgo traceback function pretends all C CPU samples are in cpuHogThread. But if a profiling signal lands in C code but outside of that thread, e.g. before/when the thread is created, we will get a sample which looks like Go calls into cpuHogThread. This CL makes the cgo traceback function only return cpuHogThread PCs when a signal lands on that thread. May fix #52726. Change-Id: I21c40f974d1882508626faf3ac45e8347fec31c4 Reviewed-on: https://go-review.googlesource.com/c/go/+/406934 Run-TryBot: Cherry Mui <cherryyz@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com>
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