1f0738c157
The core CPU profiling loop contains a 100ms sleep. This is important to reduce overhead. However, it means that it takes 200ms to shutting down a program with CPU profiling enabled. When trying to collect many samples by running a short-lived program many times, this adds up. This change cuts the shutdown penalty in half by skipping the sleep whenever possible. Change-Id: Ic3177f8e1a2d331fe1a1ecd7c8c06f50beb42535 Reviewed-on: https://go-review.googlesource.com/c/go/+/228886 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com> |
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