diff --git a/src/tests/tracing/eventactivityidcontrol/eventactivityidcontrol.csproj b/src/tests/tracing/eventactivityidcontrol/eventactivityidcontrol.csproj
index d0d1c40bfe4635..737e8166c82c9c 100644
--- a/src/tests/tracing/eventactivityidcontrol/eventactivityidcontrol.csproj
+++ b/src/tests/tracing/eventactivityidcontrol/eventactivityidcontrol.csproj
@@ -2,6 +2,9 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="EventActivityIdControl.cs" />
diff --git a/src/tests/tracing/eventcounter/eventcounter.csproj b/src/tests/tracing/eventcounter/eventcounter.csproj
index 0b548a3d140b63..0659d4e5e8ba4c 100644
--- a/src/tests/tracing/eventcounter/eventcounter.csproj
+++ b/src/tests/tracing/eventcounter/eventcounter.csproj
@@ -2,8 +2,8 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
-    <!-- This test is timing sensitive and JIT timing affects the results of the test -->
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
diff --git a/src/tests/tracing/eventcounter/gh53564.csproj b/src/tests/tracing/eventcounter/gh53564.csproj
index 25b71bcfbf9ad1..461e257260f156 100644
--- a/src/tests/tracing/eventcounter/gh53564.csproj
+++ b/src/tests/tracing/eventcounter/gh53564.csproj
@@ -2,8 +2,8 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
-    <!-- This test is timing sensitive and JIT timing affects the results of the test -->
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
diff --git a/src/tests/tracing/eventcounter/incrementingeventcounter.csproj b/src/tests/tracing/eventcounter/incrementingeventcounter.csproj
index 421ba01d16384c..4c7e8c35777a03 100644
--- a/src/tests/tracing/eventcounter/incrementingeventcounter.csproj
+++ b/src/tests/tracing/eventcounter/incrementingeventcounter.csproj
@@ -2,8 +2,8 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
-    <!-- This test is timing sensitive and JIT timing affects the results of the test -->
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
diff --git a/src/tests/tracing/eventcounter/incrementingpollingcounter.csproj b/src/tests/tracing/eventcounter/incrementingpollingcounter.csproj
index 88614b0bb5d4aa..78b4c466b1381e 100644
--- a/src/tests/tracing/eventcounter/incrementingpollingcounter.csproj
+++ b/src/tests/tracing/eventcounter/incrementingpollingcounter.csproj
@@ -2,8 +2,8 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
-    <!-- This test is timing sensitive and JIT timing affects the results of the test -->
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
diff --git a/src/tests/tracing/eventcounter/pollingcounter.csproj b/src/tests/tracing/eventcounter/pollingcounter.csproj
index 648bdccd7a5c7e..aa5bbc6055c9db 100644
--- a/src/tests/tracing/eventcounter/pollingcounter.csproj
+++ b/src/tests/tracing/eventcounter/pollingcounter.csproj
@@ -2,8 +2,8 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
-    <!-- This test is timing sensitive and JIT timing affects the results of the test -->
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
diff --git a/src/tests/tracing/eventcounter/regression-25709.csproj b/src/tests/tracing/eventcounter/regression-25709.csproj
index d35dcf8d011452..bf258349ee0d6c 100644
--- a/src/tests/tracing/eventcounter/regression-25709.csproj
+++ b/src/tests/tracing/eventcounter/regression-25709.csproj
@@ -2,8 +2,8 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
-    <!-- This test is timing sensitive and JIT timing affects the results of the test -->
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
diff --git a/src/tests/tracing/eventcounter/regression-46938.csproj b/src/tests/tracing/eventcounter/regression-46938.csproj
index 0fa47827d4cbdb..a9efeaf30d8bac 100644
--- a/src/tests/tracing/eventcounter/regression-46938.csproj
+++ b/src/tests/tracing/eventcounter/regression-46938.csproj
@@ -2,8 +2,8 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
-    <!-- This test is timing sensitive and JIT timing affects the results of the test -->
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
diff --git a/src/tests/tracing/eventcounter/runtimecounters.csproj b/src/tests/tracing/eventcounter/runtimecounters.csproj
index 44abb2b5f37e67..0bd33174144b01 100644
--- a/src/tests/tracing/eventcounter/runtimecounters.csproj
+++ b/src/tests/tracing/eventcounter/runtimecounters.csproj
@@ -2,8 +2,8 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
-    <!-- This test is timing sensitive and JIT timing affects the results of the test -->
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
diff --git a/src/tests/tracing/eventlistener/EventListenerThreadPool.csproj b/src/tests/tracing/eventlistener/EventListenerThreadPool.csproj
index 4072b985020ce0..203b64d1a3101c 100644
--- a/src/tests/tracing/eventlistener/EventListenerThreadPool.csproj
+++ b/src/tests/tracing/eventlistener/EventListenerThreadPool.csproj
@@ -3,6 +3,9 @@
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DisableProjectBuild Condition="'$(RuntimeFlavor)' == 'mono'">true</DisableProjectBuild>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="EventListenerThreadPool.cs" />
diff --git a/src/tests/tracing/eventlistener/eventlistener.csproj b/src/tests/tracing/eventlistener/eventlistener.csproj
index 2f015b971e28b7..b1c44c2bfdc795 100644
--- a/src/tests/tracing/eventlistener/eventlistener.csproj
+++ b/src/tests/tracing/eventlistener/eventlistener.csproj
@@ -2,6 +2,9 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="EventListener.cs" />
diff --git a/src/tests/tracing/eventlistener/eventlistenerenabledisable.csproj b/src/tests/tracing/eventlistener/eventlistenerenabledisable.csproj
index c4b65fcb339259..7ad98f416ce2e0 100644
--- a/src/tests/tracing/eventlistener/eventlistenerenabledisable.csproj
+++ b/src/tests/tracing/eventlistener/eventlistenerenabledisable.csproj
@@ -2,6 +2,9 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="eventlistenerenabledisable.cs" />
diff --git a/src/tests/tracing/eventpipe/bigevent/bigevent.csproj b/src/tests/tracing/eventpipe/bigevent/bigevent.csproj
index 1dcce61a3ef450..afca48eb516982 100644
--- a/src/tests/tracing/eventpipe/bigevent/bigevent.csproj
+++ b/src/tests/tracing/eventpipe/bigevent/bigevent.csproj
@@ -3,11 +3,10 @@
     <TargetFrameworkIdentifier>.NETCoreApp</TargetFrameworkIdentifier>
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <!-- GCStress timeout: https://github.com/dotnet/runtime/issues/51133, https://github.com/dotnet/runtime/issues/82251 -->
-    <GCStressIncompatible Condition="'$(TargetArchitecture)' == 'arm64' and '$(TargetOS)' == 'osx'">true</GCStressIncompatible>
-    <GCStressIncompatible Condition="'$(TargetArchitecture)' == 'arm'">true</GCStressIncompatible>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/buffersize/buffersize.csproj b/src/tests/tracing/eventpipe/buffersize/buffersize.csproj
index 8a67dfd70a8fc5..18068018243a0b 100644
--- a/src/tests/tracing/eventpipe/buffersize/buffersize.csproj
+++ b/src/tests/tracing/eventpipe/buffersize/buffersize.csproj
@@ -4,8 +4,9 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/config/name_config_with_pid.csproj b/src/tests/tracing/eventpipe/config/name_config_with_pid.csproj
index c91a39690ebe2c..6089c06c5b0f2c 100644
--- a/src/tests/tracing/eventpipe/config/name_config_with_pid.csproj
+++ b/src/tests/tracing/eventpipe/config/name_config_with_pid.csproj
@@ -2,7 +2,9 @@
   <PropertyGroup>
     <OutputType>exe</OutputType>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/diagnosticport/diagnosticport.csproj b/src/tests/tracing/eventpipe/diagnosticport/diagnosticport.csproj
index ed69ca0a75e6de..c20471b62209ef 100644
--- a/src/tests/tracing/eventpipe/diagnosticport/diagnosticport.csproj
+++ b/src/tests/tracing/eventpipe/diagnosticport/diagnosticport.csproj
@@ -4,9 +4,9 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
-    <!-- Disable for GCStress due to test failure: https://github.com/dotnet/runtime/issues/38524 -->
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/enabledisable/enabledisable.csproj b/src/tests/tracing/eventpipe/enabledisable/enabledisable.csproj
index 5ff333fc67ae1d..961ee4ce17c9b5 100644
--- a/src/tests/tracing/eventpipe/enabledisable/enabledisable.csproj
+++ b/src/tests/tracing/eventpipe/enabledisable/enabledisable.csproj
@@ -4,9 +4,10 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefineConstants Condition="'$(GitHubRepositoryName)' == 'runtime'">$(DefineConstants);DIAGNOSTICS_RUNTIME</DefineConstants>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/eventsourceerror/eventsourceerror.csproj b/src/tests/tracing/eventpipe/eventsourceerror/eventsourceerror.csproj
index 1900d4e9375cfa..afca48eb516982 100644
--- a/src/tests/tracing/eventpipe/eventsourceerror/eventsourceerror.csproj
+++ b/src/tests/tracing/eventpipe/eventsourceerror/eventsourceerror.csproj
@@ -3,8 +3,9 @@
     <TargetFrameworkIdentifier>.NETCoreApp</TargetFrameworkIdentifier>
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <!-- https://github.com/dotnet/runtime/issues/36028 -->
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
   </PropertyGroup>
   <ItemGroup>
diff --git a/src/tests/tracing/eventpipe/eventsvalidation/ExceptionThrown_V1.csproj b/src/tests/tracing/eventpipe/eventsvalidation/ExceptionThrown_V1.csproj
index 7a1fe2297b05bd..722bf260cd64b2 100644
--- a/src/tests/tracing/eventpipe/eventsvalidation/ExceptionThrown_V1.csproj
+++ b/src/tests/tracing/eventpipe/eventsvalidation/ExceptionThrown_V1.csproj
@@ -5,11 +5,9 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <CLRTestPriority>1</CLRTestPriority>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
-    <!-- This test isn't technically incompatible with GCStress, but it ends up running very slowly
-         in some configurations, e.g. GCStress=3 on Linux/arm32 measured at 15 minutes.
-    -->
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="ExceptionThrown_V1.cs" />
diff --git a/src/tests/tracing/eventpipe/eventsvalidation/GCEvents.csproj b/src/tests/tracing/eventpipe/eventsvalidation/GCEvents.csproj
index 9bb9ce074fe197..92eb223634307f 100644
--- a/src/tests/tracing/eventpipe/eventsvalidation/GCEvents.csproj
+++ b/src/tests/tracing/eventpipe/eventsvalidation/GCEvents.csproj
@@ -5,8 +5,9 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <CLRTestPriority>1</CLRTestPriority>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="GCEvents.cs" />
diff --git a/src/tests/tracing/eventpipe/eventsvalidation/GCFinalizers.csproj b/src/tests/tracing/eventpipe/eventsvalidation/GCFinalizers.csproj
index c80d9a0a60292a..794a4794d15262 100644
--- a/src/tests/tracing/eventpipe/eventsvalidation/GCFinalizers.csproj
+++ b/src/tests/tracing/eventpipe/eventsvalidation/GCFinalizers.csproj
@@ -5,8 +5,9 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <CLRTestPriority>1</CLRTestPriority>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="GCFinalizers.cs" />
diff --git a/src/tests/tracing/eventpipe/gcdump/gcdump.csproj b/src/tests/tracing/eventpipe/gcdump/gcdump.csproj
index 3cbcf3577bacc7..18068018243a0b 100644
--- a/src/tests/tracing/eventpipe/gcdump/gcdump.csproj
+++ b/src/tests/tracing/eventpipe/gcdump/gcdump.csproj
@@ -4,8 +4,9 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <!-- This test provides no interesting scenarios for GCStress -->
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/pauseonstart/pauseonstart.csproj b/src/tests/tracing/eventpipe/pauseonstart/pauseonstart.csproj
index ed69ca0a75e6de..c20471b62209ef 100644
--- a/src/tests/tracing/eventpipe/pauseonstart/pauseonstart.csproj
+++ b/src/tests/tracing/eventpipe/pauseonstart/pauseonstart.csproj
@@ -4,9 +4,9 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
-    <!-- Disable for GCStress due to test failure: https://github.com/dotnet/runtime/issues/38524 -->
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/processenvironment/processenvironment.csproj b/src/tests/tracing/eventpipe/processenvironment/processenvironment.csproj
index 17320dc68377f7..4cf5a34c0c141c 100644
--- a/src/tests/tracing/eventpipe/processenvironment/processenvironment.csproj
+++ b/src/tests/tracing/eventpipe/processenvironment/processenvironment.csproj
@@ -4,10 +4,10 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <IlasmRoundTripIncompatible>true</IlasmRoundTripIncompatible>
-    <!-- This test provides no interesting scenarios for GCStress -->
-    <GCStressIncompatible>true</GCStressIncompatible>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/processinfo/processinfo.csproj b/src/tests/tracing/eventpipe/processinfo/processinfo.csproj
index 2760fd02c27238..d4947c794dcebe 100644
--- a/src/tests/tracing/eventpipe/processinfo/processinfo.csproj
+++ b/src/tests/tracing/eventpipe/processinfo/processinfo.csproj
@@ -4,6 +4,8 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- ilasm round-trip testing doesn't work, as test expects unchanged assembly name.
          Issue: https://github.com/dotnet/runtime/issues/39935
diff --git a/src/tests/tracing/eventpipe/processinfo2/processinfo2.csproj b/src/tests/tracing/eventpipe/processinfo2/processinfo2.csproj
index 2760fd02c27238..d4947c794dcebe 100644
--- a/src/tests/tracing/eventpipe/processinfo2/processinfo2.csproj
+++ b/src/tests/tracing/eventpipe/processinfo2/processinfo2.csproj
@@ -4,6 +4,8 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- ilasm round-trip testing doesn't work, as test expects unchanged assembly name.
          Issue: https://github.com/dotnet/runtime/issues/39935
diff --git a/src/tests/tracing/eventpipe/providervalidation/providervalidation.csproj b/src/tests/tracing/eventpipe/providervalidation/providervalidation.csproj
index 8a67dfd70a8fc5..18068018243a0b 100644
--- a/src/tests/tracing/eventpipe/providervalidation/providervalidation.csproj
+++ b/src/tests/tracing/eventpipe/providervalidation/providervalidation.csproj
@@ -4,8 +4,9 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/reverse/reverse.csproj b/src/tests/tracing/eventpipe/reverse/reverse.csproj
index ed69ca0a75e6de..a2fca0e2c1cca0 100644
--- a/src/tests/tracing/eventpipe/reverse/reverse.csproj
+++ b/src/tests/tracing/eventpipe/reverse/reverse.csproj
@@ -5,8 +5,9 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
-    <!-- Disable for GCStress due to test failure: https://github.com/dotnet/runtime/issues/38524 -->
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/reverseouter/reverseouter.csproj b/src/tests/tracing/eventpipe/reverseouter/reverseouter.csproj
index 55e8a2a220c229..c20471b62209ef 100644
--- a/src/tests/tracing/eventpipe/reverseouter/reverseouter.csproj
+++ b/src/tests/tracing/eventpipe/reverseouter/reverseouter.csproj
@@ -4,9 +4,9 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
-    <!-- reverseouter fails under GCStress. Issue: https://github.com/dotnet/runtime/issues/38801 -->
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/rundownvalidation/rundownvalidation.csproj b/src/tests/tracing/eventpipe/rundownvalidation/rundownvalidation.csproj
index 22dd698007ed9a..65cc47f3ac80ae 100644
--- a/src/tests/tracing/eventpipe/rundownvalidation/rundownvalidation.csproj
+++ b/src/tests/tracing/eventpipe/rundownvalidation/rundownvalidation.csproj
@@ -3,15 +3,14 @@
     <TargetFrameworkIdentifier>.NETCoreApp</TargetFrameworkIdentifier>
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
     <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- The test launches a secondary process and process launch creates
     an infinite event loop in the SocketAsyncEngine on Linux. Since
     runincontext loads even framework assemblies into the unloadable
     context, locals in this loop prevent unloading -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <!-- Times out -->
-    <GCStressIncompatible Condition="'$(TargetArchitecture)' == 'arm64' and '$(TargetOS)' == 'osx'">true</GCStressIncompatible>
-    <GCStressIncompatible Condition="'$(TargetArchitecture)' == 'arm'">true</GCStressIncompatible>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
diff --git a/src/tests/tracing/eventpipe/simpleprovidervalidation/simpleprovidervalidation.csproj b/src/tests/tracing/eventpipe/simpleprovidervalidation/simpleprovidervalidation.csproj
index 34d588f3c2dd1b..b5ed1d9774bfe9 100644
--- a/src/tests/tracing/eventpipe/simpleprovidervalidation/simpleprovidervalidation.csproj
+++ b/src/tests/tracing/eventpipe/simpleprovidervalidation/simpleprovidervalidation.csproj
@@ -4,8 +4,9 @@
     <OutputType>exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <EventSourceSupport Condition="'$(TestBuildMode)' == 'nativeaot'">true</EventSourceSupport>
     <EnableNativeEventPipe Condition="'$(TestBuildMode)' == 'nativeaot'">true</EnableNativeEventPipe>
   </PropertyGroup>
diff --git a/src/tests/tracing/runtimeeventsource/nativeruntimeeventsource.csproj b/src/tests/tracing/runtimeeventsource/nativeruntimeeventsource.csproj
index 11c39d9a439b55..aafdc6ee3207ea 100644
--- a/src/tests/tracing/runtimeeventsource/nativeruntimeeventsource.csproj
+++ b/src/tests/tracing/runtimeeventsource/nativeruntimeeventsource.csproj
@@ -2,7 +2,9 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
     <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
   </PropertyGroup>
diff --git a/src/tests/tracing/runtimeeventsource/runtimeeventsource.csproj b/src/tests/tracing/runtimeeventsource/runtimeeventsource.csproj
index 3b0d2f0f0329f2..1a5278c477f034 100644
--- a/src/tests/tracing/runtimeeventsource/runtimeeventsource.csproj
+++ b/src/tests/tracing/runtimeeventsource/runtimeeventsource.csproj
@@ -2,6 +2,9 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- Tracing tests routinely time out with jitstress and gcstress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
+    <JitOptimizationSensitive>true</JitOptimizationSensitive>
     <!-- This test has a secondary thread with an infinite loop -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
     <DisableProjectBuild Condition="'$(RuntimeFlavor)' == 'mono'">true</DisableProjectBuild>