d74cc33856
* Merge `wasmtime-jit` and `wasmtime-profiling` This commit merges the `wasmtime-profiling` crate into the `wasmtime-jit` crate. It wasn't really buying a ton being a separate crate and an upcoming refactoring I'd like to do is to remove the `FinishedFunctions` structure. To enable the profilers to work as they used to this commit changes them to pass `CompiledModule` as the argument, but this only works if the profiling trait can see the `CompiledModule` type. * Fix a length calculation
68 lines
1.9 KiB
Rust
68 lines
1.9 KiB
Rust
use crate::CompiledModule;
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use std::error::Error;
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use std::fmt;
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use wasmtime_environ::{DefinedFuncIndex, EntityRef, Module};
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cfg_if::cfg_if! {
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if #[cfg(all(feature = "jitdump", target_os = "linux"))] {
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#[path = "profiling/jitdump_linux.rs"]
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mod jitdump;
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} else {
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#[path = "profiling/jitdump_disabled.rs"]
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mod jitdump;
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}
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}
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cfg_if::cfg_if! {
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if #[cfg(all(feature = "vtune", target_os = "linux"))] {
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#[path = "profiling/vtune_linux.rs"]
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mod vtune;
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} else {
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#[path = "profiling/vtune_disabled.rs"]
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mod vtune;
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}
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}
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pub use jitdump::JitDumpAgent;
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pub use vtune::VTuneAgent;
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/// Common interface for profiling tools.
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pub trait ProfilingAgent: Send + Sync + 'static {
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/// Notify the profiler of a new module loaded into memory
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fn module_load(&self, module: &CompiledModule, dbg_image: Option<&[u8]>) -> ();
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}
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/// Default agent for unsupported profiling build.
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#[derive(Debug, Default, Clone, Copy)]
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pub struct NullProfilerAgent;
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#[derive(Debug)]
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struct NullProfilerAgentError;
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impl fmt::Display for NullProfilerAgentError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "A profiler agent is not supported by this build")
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}
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}
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// This is important for other errors to wrap this one.
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impl Error for NullProfilerAgentError {
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fn source(&self) -> Option<&(dyn Error + 'static)> {
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// Generic error, underlying cause isn't tracked.
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None
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}
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}
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impl ProfilingAgent for NullProfilerAgent {
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fn module_load(&self, _module: &CompiledModule, _dbg_image: Option<&[u8]>) -> () {}
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}
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#[allow(dead_code)]
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fn debug_name(module: &Module, index: DefinedFuncIndex) -> String {
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let index = module.func_index(index);
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match module.func_names.get(&index) {
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Some(s) => s.clone(),
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None => format!("wasm::wasm-function[{}]", index.index()),
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}
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}
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