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add feature wasmtime-jitdump (#9871)

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* add feature wasmtime-jitdump

* remove unwrap

* always enable wasmtime/jitdump feature

* env WASMTIME_PROFILING_STRATEGY: retun an error for unknown value

* Add doc for env var WASMTIME_PROFILING_STRATEGY

* Update client/executor/wasmtime/Cargo.toml

Co-authored-by: Sergei Shulepov <s.pepyakin@gmail.com>

* warning instead of error

* Update client/executor/wasmtime/src/runtime.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* update doc: unknown value cause warning instead of error

* log warning only once

* static  right next to the usage

Co-authored-by: Sergei Shulepov <s.pepyakin@gmail.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Éloïs
2021-09-29 22:10:12 +02:00
committed by GitHub
parent 802afa9f22
commit 6898e8416b
4 changed files with 60 additions and 3 deletions
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substrate/client/executor/wasmtime/src/runtime.rs
+21 -1
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@@ -38,7 +38,10 @@ use sp_wasm_interface::{Function, Pointer, Value, WordSize};
use std::{
path::{Path, PathBuf},
rc::Rc,
sync::Arc,
sync::{
atomic::{AtomicBool, Ordering},
Arc,
},
};
use wasmtime::{AsContext, AsContextMut, Engine, StoreLimits};
@@ -322,6 +325,23 @@ fn common_config(semantics: &Semantics) -> std::result::Result<wasmtime::Config,
config.cranelift_opt_level(wasmtime::OptLevel::SpeedAndSize);
config.cranelift_nan_canonicalization(semantics.canonicalize_nans);
let profiler = match std::env::var_os("WASMTIME_PROFILING_STRATEGY") {
Some(os_string) if os_string == "jitdump" => wasmtime::ProfilingStrategy::JitDump,
None => wasmtime::ProfilingStrategy::None,
Some(_) => {
// Remember if we have already logged a warning due to an unknown profiling strategy.
static UNKNOWN_PROFILING_STRATEGY: AtomicBool = AtomicBool::new(false);
// Make sure that the warning will not be relogged regularly.
if !UNKNOWN_PROFILING_STRATEGY.swap(true, Ordering::Relaxed) {
log::warn!("WASMTIME_PROFILING_STRATEGY is set to unknown value, ignored.");
}
wasmtime::ProfilingStrategy::None
},
};
config
.profiler(profiler)
.map_err(|e| WasmError::Instantiation(format!("fail to set profiler: {}", e)))?;
if let Some(DeterministicStackLimit { native_stack_max, .. }) =
semantics.deterministic_stack_limit
{