Add initial support to profile guest runs (risc0#274)

* Add initial support to profile guest runs This is accessible with the --prof-out option of r0vm, or by using risc0_zkvm::host::profiler::Profiler. It produces output in a format suitable for use with google's pprof, but does not yet supply full stack traces.
nkysg · Sep 13, 2022 · 9c811c3 · 9c811c3
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diff --git a/Cargo-guest.lock b/Cargo-guest.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "anyhow"
-version = "1.0.63"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a26fa4d7e3f2eebadf743988fc8aec9fa9a9e82611acafd77c1462ed6262440a"
+checksum = "b9a8f622bcf6ff3df478e9deba3e03e4e04b300f8e6a139e192c05fa3490afc7"
 
 [[package]]
 name = "array-init"