Cofigurate out ohos target to avoid compilation crashes

Author: LuuuXXX

src/tools/rust-analyzer/crates/profile/Cargo.toml

@@ -17,7 +17,7 @@ cfg-if = "1.0.0"
 libc.workspace = true
 jemalloc-ctl = { version = "0.5.0", package = "tikv-jemalloc-ctl", optional = true }
 
-[target.'cfg(target_os="linux")'.dependencies]
+[target.'cfg(all(target_os="linux",not(target_env="ohos")))'.dependencies]
 perf-event = "=0.4.7"
 
 [target.'cfg(windows)'.dependencies]

src/tools/rust-analyzer/crates/profile/src/stop_watch.rs

@@ -11,7 +11,7 @@ use crate::MemoryUsage;
 
 pubstructStopWatch{
 time:Instant,
-#[cfg(target_os = "linux")]
+#[cfg(all(target_os = "linux", not(target_env = "ohos")))]
 counter:Option<perf_event::Counter>,
 memory:MemoryUsage,
 }
@@ -24,7 +24,7 @@ pub struct StopWatchSpan {
 
 implStopWatch{
 pubfnstart() -> StopWatch{
-#[cfg(target_os = "linux")]
+#[cfg(all(target_os = "linux", not(target_env = "ohos")))]
 let counter = {
 // When debugging rust-analyzer using rr, the perf-related syscalls cause it to abort.
 // We allow disabling perf by setting the env var `RA_DISABLE_PERF`.
@@ -51,7 +51,7 @@ impl StopWatch {
 let time = Instant::now();
 StopWatch{
  time,
-#[cfg(target_os = "linux")]
+#[cfg(all(target_os = "linux", not(target_env = "ohos")))]
  counter,
  memory,
 }
@@ -60,10 +60,12 @@ impl StopWatch {
 pubfnelapsed(&mutself) -> StopWatchSpan{
 let time = self.time.elapsed();
 
-#[cfg(target_os = "linux")]
+#[cfg(all(target_os = "linux", not(target_env = "ohos")))]
 let instructions = self.counter.as_mut().and_then(|it| {
  it.read().map_err(|err| eprintln!("Failed to read perf counter: {err}")).ok()
 });
+#[cfg(all(target_os = "linux", target_env = "ohos"))]
+let instructions = None;
 #[cfg(not(target_os = "linux"))]
 let instructions = None;