From dcaa27c7a9fa339bf70ca9f3f9ee3561272a44f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= <berykubik@gmail.com>
Date: Fri, 10 Oct 2025 12:51:53 +0200
Subject: [PATCH] Make rustc-perf work on Windows again

---
 collector/src/bin/collector.rs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/collector/src/bin/collector.rs b/collector/src/bin/collector.rs
index cd8555c4d..dff2c9346 100644
--- a/collector/src/bin/collector.rs
+++ b/collector/src/bin/collector.rs
@@ -794,9 +794,10 @@ fn main_result() -> anyhow::Result<i32> {
         runtime: &runtime_benchmark_dir,
     };
 
-    // This clearly won't work for all architectures, but should be good enough for x64 Linux
-    // and ARM 64-bit Linux.
-    let host_target_tuple = format!("{}-unknown-linux-gnu", std::env::consts::ARCH);
+    let host_target_tuple =
+        String::from_utf8(command_output(Command::new("rustc").arg("--print=host-tuple"))?.stdout)?
+            .trim()
+            .to_string();
 
     match args.command {
         Commands::BinaryStats { mode, symbols } => {