From 31cbb9d9a2e7421a2720feea83946fc5b6beb305 Mon Sep 17 00:00:00 2001
From: Guillaume Lagrange <guillaume@glagrange.eu>
Date: Mon, 4 May 2026 11:47:00 +0200
Subject: [PATCH] feat: add a way to disable perf compression through env var

This is aimed to be dev only, because some profilers do not support
compressed perf data, namely hotspot.
---
 src/executor/wall_time/perf/perf_executable.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/executor/wall_time/perf/perf_executable.rs b/src/executor/wall_time/perf/perf_executable.rs
index f82c8a5f..91c8b83b 100644
--- a/src/executor/wall_time/perf/perf_executable.rs
+++ b/src/executor/wall_time/perf/perf_executable.rs
@@ -134,6 +134,10 @@ pub fn get_compression_flags<S: AsRef<Path>>(perf_executable: S) -> Result<Optio
 
     if has_zstd {
         debug!("perf supports zstd compression");
+        if std::env::var("CODSPEED_PERF_DISABLE_COMPRESSION").is_ok() {
+            info!("CODSPEED_PERF_DISABLE_COMPRESSION is set, disabling perf compression");
+            return Ok(None);
+        }
         // 3 is a widely adopted default level (AWS Athena, Python, ...)
         Ok(Some("--compression-level=3".to_string()))
     } else {