Verify supporting 16 KB page sizes on A15

README.md

@@ -8,6 +8,9 @@ ferret.py.
 
 Build
 =====
+```
+git submodule update --init --recursive
+```
 
 Linux
 -----
@@ -69,6 +72,9 @@ Example:
 Using as a layer (Vulkan only)
 ==============================
 
+Linux
+-----
+
 Once built, the layer and json manifest will be in <build_dir>/implicit_layer.d
 
 Set the following env. vars to enable the layer on linux:
@@ -86,8 +92,24 @@ Then set the following env var to point to your libcollector JSON configuration
 export VK_LIBCOLLECTOR_CONFIG_PATH=<path_to_json>
 ```
 
+Android
+-------
+
+Local file to push to the location on Android specified:
+
+```bash
+adb push arm64/libVkLayer_libcollector.so   /data/app/{app_path}/lib/arm64/
+adb push layer/libcollector_config.json     /sdcard/Download/
+```
+
+Set the following env. vars to enable the layer on Android:
+
+```bash
+adb shell setprop debug.vulkan.layer.1   VK_LAYER_ARM_libcollector
+```
+
 Then run your app as normal. One result file will be created per device in your application, and by default the results are written to the run directory.
-To override this, set the "result_file_basename" field in the config json.
+To override this, set the "result_file_basename" field in the config json. Get the result file in the specified location, for example: /sdcard/Download/results_device_0.json
 
 JSON interface (layer specific)
 ---------------------------

android/gradle/collector_android/CMakeLists.txt

@@ -49,3 +49,4 @@ find_library(android-lib android)
 
 add_executable(burrow ${BURROW_SOURCES})
 target_link_libraries(burrow app-glue ${log-lib} ${android-lib} ${app-glue} collector_android)
+target_link_options(burrow PRIVATE -Wl,-z,max-page-size=16384)

android/gradle/layer_android/CMakeLists.txt

@@ -45,3 +45,4 @@ find_library(android-lib android)
 
 add_library(VkLayer_libcollector SHARED ${LAYER_SOURCES})
 target_link_libraries(VkLayer_libcollector ${log-lib} ${android-lib})
+target_link_options(VkLayer_libcollector PRIVATE -Wl,-z,max-page-size=16384)

android/jni/Android.mk

@@ -69,6 +69,7 @@ LOCAL_C_INCLUDES := \
 
 LOCAL_LDLIBS    := -L$(SYSROOT)/usr/lib -llog -latomic
 
+LOCAL_LDFLAGS   += -Wl,-z,max-page-size=16384
 LOCAL_STATIC_LIBRARIES := collector_android
 LOCAL_CPP_FEATURES     += exceptions
 

layer/libcollector_config.json

@@ -0,0 +1,38 @@
+{
+    "result_file_basename" : "/sdcard/Download/results.json",
+    "num_subframes_per_frame" : 1,
+    "frame_trigger_function" : "vkQueuePresentKHR",
+    "start_frame" : 0,
+    "end_frame" : 99999,
+    "collectors": {
+        "perf": {
+            "set": 4,
+            "event": [
+                {
+                    "name": "CPUCyclesUser",
+                    "type": 4,
+                    "config": 17,
+                    "excludeKernel": true
+                },
+                {
+                    "name": "CPUCyclesKernel",
+                    "type": 4,
+                    "config": 17,
+                    "excludeUser": true
+                },
+                {
+                    "name": "CPUInstructionUser",
+                    "type": 4,
+                    "config": 8,
+                    "excludeKernel": true
+                },
+                {
+                    "name": "CPUInstructionKernel",
+                    "type": 4,
+                    "config": 8,
+                    "excludeUser": true
+                }
+            ]
+        }
+    }
+}

layer/vulkan_layer.cpp

@@ -1,7 +1,7 @@
 #include "layer/vulkan_layer.hpp"
 
 static std::mutex context_mutex;
-static std::unordered_map<VkInstance, InstanceDispatchTable*> instance_dispatch_map;
+static std::unordered_map<void*, InstanceDispatchTable*> instance_dispatch_map;
 static std::unordered_map<VkDevice, vkCollectorContext*> device_to_context_map;
 static std::unordered_map<VkQueue, vkCollectorContext*> queue_to_context_map;
 
@@ -11,12 +11,21 @@ static Json::Value glibcollector_config;
 std::mutex vkCollectorContext::id_mutex;
 uint32_t vkCollectorContext::next_id = 0;
 
+template <typename dispatchable_type>
+void *get_key(dispatchable_type inst) {
+    return *reinterpret_cast<void **>(inst);
+}
+
+#define GET_PROC_ADDR(func)       \
+    if (!strcmp(funcName, #func)) \
+        return (PFN_vkVoidFunction)&lc_##func;
+
 std::string get_config_path() {
     std::string config_path = "libcollector_config.json";
 
     #ifdef ANDROID
         // TODO(tomped01): Find a better way on android
-        config_path = "/sdcard/libcollector_config.json";
+        config_path = "/sdcard/Download/libcollector_config.json";
     #else
         const char* env_path = std::getenv("VK_LIBCOLLECTOR_CONFIG_PATH");
         if (env_path) {
@@ -68,7 +77,7 @@ bool read_config() {
 
     if (glibcollector_config.get("result_file_basename", "").asString() == "") {
         #ifdef ANDROID
-            glibcollector_config["result_file_basename"] = "/sdcard/results.json";
+            glibcollector_config["result_file_basename"] = "/sdcard/Download/results.json";
         #else
             glibcollector_config["result_file_basename"] = "results.json";
         #endif
@@ -86,54 +95,6 @@ bool read_config() {
     return true;
 }
 
-
-VK_LAYER_EXPORT PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, const char *pName) {
-    if (!gconfig_initialized) {
-        // Do this as early as possible
-        read_config();
-
-        gconfig_initialized = true;
-    }
-
-    if(!strcmp(pName, "vkGetInstanceProcAddr")) return (PFN_vkVoidFunction)&vkGetInstanceProcAddr;
-    if(!strcmp(pName, "vkCreateInstance")) return (PFN_vkVoidFunction)&lc_vkCreateInstance;
-    if(!strcmp(pName, "vkCreateDevice")) return (PFN_vkVoidFunction)&lc_vkCreateDevice;
-    if(!strcmp(pName, "vkDestroyInstance")) return (PFN_vkVoidFunction)&lc_vkDestroyInstance;
-    if(!strcmp(pName, "vkEnumerateInstanceLayerProperties")) return (PFN_vkVoidFunction)&lc_vkEnumerateInstanceLayerProperties;
-    if(!strcmp(pName, "vkEnumerateInstanceExtensionProperties")) return (PFN_vkVoidFunction)&lc_vkEnumerateInstanceExtensionProperties;
-
-    context_mutex.lock();
-    InstanceDispatchTable* instance_dtable = instance_dispatch_map[instance];
-    PFN_vkGetInstanceProcAddr gipa = instance_dtable->gipa;
-    context_mutex.unlock();
-
-    return gipa(instance, pName);
-}
-
-
-VK_LAYER_EXPORT PFN_vkVoidFunction VKAPI_CALL vkGetDeviceProcAddr(VkDevice device, const char* pName) {
-    if(!strcmp(pName, "vkGetDeviceProcAddr")) return (PFN_vkVoidFunction)&vkGetDeviceProcAddr;
-    if(!strcmp(pName, "vkDestroyDevice")) return (PFN_vkVoidFunction)&lc_vkDestroyDevice;
-    if(!strcmp(pName, "vkGetDeviceQueue")) return (PFN_vkVoidFunction)&lc_vkGetDeviceQueue;
-
-    if (glibcollector_config.get("frame_trigger_function", "").asString() == std::string("vkQueueSubmit")) {
-        DBG_LOG("LIBCOLLECTOR LAYER: Sampling function set to vkQueueSubmit\n");
-        if(!strcmp(pName, "vkQueueSubmit")) return (PFN_vkVoidFunction)&lc_vkQueueSubmit;
-    } else {
-        DBG_LOG("LIBCOLLECTOR LAYER: Sampling function set to vkQueuePresentKHR\n");
-        if(!strcmp(pName, "vkQueuePresentKHR")) return (PFN_vkVoidFunction)&lc_vkQueuePresentKHR;
-    }
-
-    context_mutex.lock();
-    vkCollectorContext* context = device_to_context_map[device];
-    PFN_vkGetDeviceProcAddr gdpa;
-    gdpa = context->gdpa;
-    context_mutex.unlock();
-
-    return gdpa(device, pName);
-}
-
-
 VK_LAYER_EXPORT VkResult VKAPI_CALL lc_vkCreateInstance(
     const VkInstanceCreateInfo* pCreateInfo,
     const VkAllocationCallbacks* pAllocator,
@@ -158,9 +119,10 @@ VK_LAYER_EXPORT VkResult VKAPI_CALL lc_vkCreateInstance(
     InstanceDispatchTable* new_table = new InstanceDispatchTable();
     new_table->gipa = (PFN_vkGetInstanceProcAddr)gipa(*pInstance, "vkGetInstanceProcAddr");
     new_table->nextDestroyInstance = (PFN_vkDestroyInstance)gipa(*pInstance, "vkDestroyInstance");
+    new_table->nextEnumerateDeviceExtensionProperties = (PFN_vkEnumerateDeviceExtensionProperties)gipa(*pInstance, "vkEnumerateDeviceExtensionProperties");
 
     context_mutex.lock();
-    instance_dispatch_map[*pInstance] = new_table;
+    instance_dispatch_map[get_key(*pInstance)] = new_table;
 
     context_mutex.unlock();
 
@@ -173,9 +135,9 @@ VK_LAYER_EXPORT void VKAPI_CALL lc_vkDestroyInstance(
     const VkAllocationCallbacks* pAllocator
 ) {
     context_mutex.lock();
-    InstanceDispatchTable* table = instance_dispatch_map[instance];
+    InstanceDispatchTable* table = instance_dispatch_map[get_key(instance)];
     PFN_vkDestroyInstance nextDestroyInstance = table->nextDestroyInstance;
-    instance_dispatch_map.erase(instance);
+    instance_dispatch_map.erase(get_key(instance));
     context_mutex.unlock();
 
     delete table;
@@ -302,9 +264,9 @@ VK_LAYER_EXPORT VkResult VKAPI_CALL lc_vkQueuePresentKHR(
 }
 
 
-// Pre-instance functions
+// Enum-instance functions
 
-VK_LAYER_EXPORT VkResult VKAPI_CALL lc_vkEnumerateInstanceLayerProperties(
+VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceLayerProperties(
     uint32_t* pPropertyCount,
     VkLayerProperties* pProperties
 ) {
@@ -322,7 +284,17 @@ VK_LAYER_EXPORT VkResult VKAPI_CALL lc_vkEnumerateInstanceLayerProperties(
     return VK_SUCCESS;
 }
 
-VK_LAYER_EXPORT VkResult VKAPI_CALL lc_vkEnumerateInstanceExtensionProperties(
+
+VK_LAYER_EXPORT VkResult VKAPI_CALL vkEnumerateDeviceLayerProperties(
+    VkPhysicalDevice physicalDevice,
+    uint32_t *pPropertyCount,
+    VkLayerProperties *pProperties
+) {
+    return vkEnumerateInstanceLayerProperties(pPropertyCount, pProperties);
+}
+
+
+VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceExtensionProperties(
     const char* pLayerName,
     uint32_t* pPropertyCount,
     VkExtensionProperties* pProperties
@@ -337,39 +309,91 @@ VK_LAYER_EXPORT VkResult VKAPI_CALL lc_vkEnumerateInstanceExtensionProperties(
     return VK_ERROR_LAYER_NOT_PRESENT;
 }
 
-// Pre-instance interface functions, not currently in use, but can be enabled if/when we update to manifest format 1.2.1
+VK_LAYER_EXPORT VkResult VKAPI_CALL vkEnumerateDeviceExtensionProperties(VkPhysicalDevice physicalDevice,
+                                                                         const char *pLayerName,
+                                                                         uint32_t *pPropertyCount,
+                                                                         VkExtensionProperties *pProperties)
+{
+    if (pLayerName == NULL || strcmp(pLayerName, "VK_LAYER_ARM_libcollector")) {
+        if (physicalDevice == VK_NULL_HANDLE)
+        {
+            return VK_SUCCESS;
+        }
 
-VkResult lc_pre_vkEnumerateInstanceExtensionProperties(
-    const VkEnumerateInstanceExtensionPropertiesChain* pChain,
-    const char* pLayerName,
-    uint32_t* pPropertyCount,
-    VkExtensionProperties* pProperties
-) {
-    if (pLayerName == NULL) {
-        return VK_ERROR_LAYER_NOT_PRESENT;
-    } else if (!strcmp(pLayerName, "VK_LAYER_ARM_libcollector")) {
-        return pChain->pfnNextLayer(pChain->pNextLink, pLayerName, pPropertyCount, pProperties);
+        return instance_dispatch_map[get_key(physicalDevice)]->nextEnumerateDeviceExtensionProperties(
+            physicalDevice, pLayerName, pPropertyCount, pProperties);
     }
 
-    return VK_ERROR_LAYER_NOT_PRESENT;
+    if (pPropertyCount != nullptr) {
+        *pPropertyCount = 0;
+    }
+
+    return VK_SUCCESS;
 }
 
-VkResult lc_pre_vkEnumerateInstanceLayerProperties(
-    const VkEnumerateInstanceLayerPropertiesChain* pChain,
-    uint32_t* pPropertyCount,
-    VkLayerProperties* pProperties
-) {
-    if (pProperties == nullptr) {
-        *pPropertyCount = 1;
+
+VK_LAYER_EXPORT PFN_vkVoidFunction VKAPI_CALL lc_vkGetDeviceProcAddr(VkDevice device, const char *funcName) {
+    GET_PROC_ADDR(vkGetDeviceProcAddr);
+    GET_PROC_ADDR(vkDestroyDevice);
+    GET_PROC_ADDR(vkGetDeviceQueue);
+
+    if (glibcollector_config.get("frame_trigger_function", "").asString() == std::string("vkQueueSubmit")) {
+        DBG_LOG("LIBCOLLECTOR LAYER: Sampling function set to vkQueueSubmit\n");
+        GET_PROC_ADDR(vkQueueSubmit);
     } else {
-        const char* layer_name = "VK_LAYER_ARM_libcollector";
-        strncpy(pProperties[0].layerName, layer_name, strlen(layer_name) + 1);
-        pProperties[0].specVersion = VK_MAKE_API_VERSION(0, 1, 1, 2);
-        pProperties[0].implementationVersion = 2;
-        const char* layer_description = "ARM libcollector layer implementation.";
-        strncpy(pProperties[0].description, layer_description, strlen(layer_description) + 1);
+        DBG_LOG("LIBCOLLECTOR LAYER: Sampling function set to vkQueuePresentKHR\n");
+        GET_PROC_ADDR(vkQueuePresentKHR);
     }
 
+    context_mutex.lock();
+    vkCollectorContext* context = device_to_context_map[device];
+    PFN_vkGetDeviceProcAddr gdpa;
+    gdpa = context->gdpa;
+    context_mutex.unlock();
+
+    return gdpa(device, funcName);
+}
+
+
+VK_LAYER_EXPORT PFN_vkVoidFunction VKAPI_CALL vkGetDeviceProcAddr(VkDevice device, const char *funcName) {
+    return lc_vkGetDeviceProcAddr(device, funcName);
+}
+
+
+VK_LAYER_EXPORT PFN_vkVoidFunction VKAPI_CALL lc_vkGetInstanceProcAddr(VkInstance instance,
+                                                                       const char *funcName) {
+    if (!gconfig_initialized) {
+        // Do this as early as possible
+        read_config();
+
+        gconfig_initialized = true;
+    }
+
+    GET_PROC_ADDR(vkGetInstanceProcAddr);
+    GET_PROC_ADDR(vkCreateInstance);
+    GET_PROC_ADDR(vkCreateDevice);
+    GET_PROC_ADDR(vkDestroyInstance);
+
+    context_mutex.lock();
+    InstanceDispatchTable* instance_dtable = instance_dispatch_map[get_key(instance)];
+    PFN_vkGetInstanceProcAddr gipa = instance_dtable->gipa;
+    context_mutex.unlock();
+
+    return gipa(instance, funcName);
+}
+
+
+VK_LAYER_EXPORT PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, const char *funcName) {
+    return lc_vkGetInstanceProcAddr(instance, funcName);
+}
+
+
+VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
+vkNegotiateLoaderLayerInterfaceVersion(VkNegotiateLayerInterface *pVersionStruct) {
+    pVersionStruct->pfnGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)&lc_vkGetInstanceProcAddr;
+    pVersionStruct->pfnGetDeviceProcAddr = (PFN_vkGetDeviceProcAddr)&lc_vkGetDeviceProcAddr;
+    pVersionStruct->pfnGetPhysicalDeviceProcAddr = nullptr;
+
     return VK_SUCCESS;
 }