diff --git a/src/freedreno/vulkan/tu_device.c b/src/freedreno/vulkan/tu_device.c
index 7b6e83f787d..d04f2578c0e 100644
--- a/src/freedreno/vulkan/tu_device.c
+++ b/src/freedreno/vulkan/tu_device.c
@@ -186,6 +186,7 @@ static const struct debug_control tu_debug_options[] = {
    { "noubwc", TU_DEBUG_NOUBWC },
    { "nomultipos", TU_DEBUG_NOMULTIPOS },
    { "nolrz", TU_DEBUG_NOLRZ },
+   { "perfc", TU_DEBUG_PERFC },
    { NULL, 0 }
 };
 
diff --git a/src/freedreno/vulkan/tu_extensions.py b/src/freedreno/vulkan/tu_extensions.py
index 304399e7e9c..ed53f94b991 100644
--- a/src/freedreno/vulkan/tu_extensions.py
+++ b/src/freedreno/vulkan/tu_extensions.py
@@ -101,7 +101,7 @@ EXTENSIONS = [
     Extension('VK_KHR_incremental_present',               1, 'TU_HAS_SURFACE'),
     Extension('VK_KHR_image_format_list',                 1, True),
     Extension('VK_KHR_depth_stencil_resolve',             1, True),
-    Extension('VK_KHR_performance_query',                 1, False),
+    Extension('VK_KHR_performance_query',                 1, 'device->instance->debug_flags & TU_DEBUG_PERFC'),
 ]
 
 MAX_API_VERSION = VkVersion(MAX_API_VERSION)
diff --git a/src/freedreno/vulkan/tu_private.h b/src/freedreno/vulkan/tu_private.h
index 43928ecbd0b..094298c00d2 100644
--- a/src/freedreno/vulkan/tu_private.h
+++ b/src/freedreno/vulkan/tu_private.h
@@ -225,6 +225,7 @@ enum tu_debug_flags
    TU_DEBUG_NOUBWC = 1 << 6,
    TU_DEBUG_NOMULTIPOS = 1 << 7,
    TU_DEBUG_NOLRZ = 1 << 8,
+   TU_DEBUG_PERFC = 1 << 9,
 };
 
 struct tu_instance