From fce9dbc4938c8c63d3918a23fe9e94370e40e206 Mon Sep 17 00:00:00 2001
From: Danylo Piliaiev <dpiliaiev@igalia.com>
Date: Mon, 22 Sep 2025 12:49:27 +0200
Subject: [PATCH] tu/perfetto: Init perfetto datasources once

Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37465>
---
 src/freedreno/vulkan/tu_perfetto.cc | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/src/freedreno/vulkan/tu_perfetto.cc b/src/freedreno/vulkan/tu_perfetto.cc
index 8effc177c33..88a10ff6de3 100644
--- a/src/freedreno/vulkan/tu_perfetto.cc
+++ b/src/freedreno/vulkan/tu_perfetto.cc
@@ -355,14 +355,16 @@ PERFETTO_DEFINE_DATA_SOURCE_STATIC_MEMBERS(TuMemoryDataSource);
 extern "C" {
 #endif
 
+static once_flag tu_perfetto_init_once_flag = ONCE_FLAG_INIT;
+
 void
-tu_perfetto_init(void)
+tu_perfetto_init_once()
 {
    {
-   perfetto::DataSourceDescriptor dsd;
+      perfetto::DataSourceDescriptor dsd;
 #if DETECT_OS_ANDROID
-     // Android tooling expects this data source name
-     dsd.set_name("gpu.renderstages");
+      // Android tooling expects this data source name
+      dsd.set_name("gpu.renderstages");
 #else
       dsd.set_name("gpu.renderstages.msm");
 #endif
@@ -370,12 +372,18 @@ tu_perfetto_init(void)
    }
 
    {
-     perfetto::DataSourceDescriptor dsd;
-     dsd.set_name("gpu.memory.msm");
-     TuMemoryDataSource::Register(dsd);
+      perfetto::DataSourceDescriptor dsd;
+      dsd.set_name("gpu.memory.msm");
+      TuMemoryDataSource::Register(dsd);
    }
 }
 
+void
+tu_perfetto_init(void)
+{
+   call_once(&tu_perfetto_init_once_flag, tu_perfetto_init_once);
+}
+
 uint64_t
 tu_perfetto_begin_submit()
 {