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x64: enable VTune support by default (#3821)

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* x64: enable VTune support by default

After significant work in the `ittapi-rs` crate, this dependency should
build without issue on Wasmtime's supported operating systems: Windows,
Linux, and macOS. The difference in the release binary is <20KB, so this
change makes `vtune` a default build feature. This change upgrades
`ittapi-rs` to v0.2.0 and updates the documentation.

* review: add configuration for defaults in more places

* review: remove OS conditional compilation, add architecture

* review: do not default vtune feature in wasmtime-jit
This commit is contained in:
Andrew Brown
2022-02-22 08:32:09 -08:00
committed by GitHub
parent bbd52772de
commit c183e93b80
9 changed files with 25 additions and 26 deletions
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4
crates/jit/src/profiling.rs
View File

@@ -12,8 +12,8 @@ cfg_if::cfg_if! {
}
cfg_if::cfg_if! {
if #[cfg(all(feature = "vtune", target_os = "linux"))] {
#[path = "profiling/vtune_linux.rs"]
if #[cfg(all(feature = "vtune", target_arch = "x86_64"))] {
#[path = "profiling/vtune.rs"]
mod vtune;
} else {
#[path = "profiling/vtune_disabled.rs"]

10
crates/jit/src/profiling/vtune_linux.rs → crates/jit/src/profiling/vtune.rs
View File

@@ -1,10 +1,6 @@
//! Adds support for profiling JIT-ed code using VTune.
//!
//! ### Build
//!
//! ```ignore
//! cargo build --features=vtune
//! ```
//! Adds support for profiling JIT-ed code using VTune. By default, VTune
//! support is built in to Wasmtime (configure with the `vtune` feature flag).
//! To enable it at runtime, use the `--vtune` CLI flag.
//!
//! ### Profile
//!