Change naming for heapprofd API.

Bug: 160400319
Bug: 141241849
Bug: 166599930

Change-Id: I8c0d63c91d9e81f2fdd9dfd96cd6f436758ff7c3
diff --git a/docs/instrumentation/heapprofd-api.md b/docs/instrumentation/heapprofd-api.md
index 8140d4a..91540a4 100644
--- a/docs/instrumentation/heapprofd-api.md
+++ b/docs/instrumentation/heapprofd-api.md
@@ -88,16 +88,16 @@
 ```
 #include "path/to/client_ext.h"
 
-static HeapprofdHeapInfo g_info{"invalid.example", nullptr};
-static uint32_t g_heap_id = heapprofd_register_heap(&g_info, sizeof(g_info));
+static uint32_t g_heap_id = AHeapProfile_registerHeap(
+  AHeapInfo_create("invalid.example"));
 void* my_malloc(size_t size) {
   void* ptr = [code to somehow allocate get size bytes];
-  heapprofd_report_allocation(g_heap_id, static_cast<uintptr_t>(ptr), size);
+  AHeapProfile_reportAllocation(g_heap_id, static_cast<uintptr_t>(ptr), size);
   return ptr;
 }
 
 void my_free(void* ptr) {
-  heapprofd_report_free(g_heap_id, static_cast<uintptr_t>(ptr));
+  AHeapProfile_reportFree(g_heap_id, static_cast<uintptr_t>(ptr));
   [code to somehow free ptr]
 }
 ```
diff --git a/include/perfetto/profiling/memory/client_ext.h b/include/perfetto/profiling/memory/client_ext.h
index a4d6307..4cadd8d 100644
--- a/include/perfetto/profiling/memory/client_ext.h
+++ b/include/perfetto/profiling/memory/client_ext.h
@@ -35,16 +35,17 @@
 // To find out where in a program these two functions get called, we instrument
 // the allocator using this API:
 //
-// static HeapprofdHeapInfo g_info{"invalid.example", nullptr};
-// static uint32_t g_heap_id = heapprofd_register_heap(&g_info, sizeof(g_info));
+// static uint32_t g_heap_id =
+//   AHeapProfile_registerHeap(AHeapInfo_create("invalid.example"));
+//
 // void* my_malloc(size_t size) {
 //   void* ptr = [code to somehow allocate get size bytes];
-//   heapprofd_report_allocation(g_heap_id, static_cast<uintptr_t>(ptr), size);
-//   return ptr;
+//   AHeapProfile_reportAllocation(g_heap_id, static_cast<uintptr_t>(ptr),
+//   size); return ptr;
 // }
 //
 // void my_free(void* ptr) {
-//   heapprofd_report_free(g_heap_id, static_cast<uintptr_t>(ptr));
+//   AHeapProfile_reportFree(g_heap_id, static_cast<uintptr_t>(ptr));
 //   [code to somehow free ptr]
 // }
 //
@@ -67,37 +68,37 @@
 extern "C" {
 #endif
 
-typedef struct HeapprofdHeapInfo HeapprofdHeapInfo;
+typedef struct AHeapInfo AHeapInfo;
 
-// Create new HeapprofdHeapInfo, a struct describing a heap.
+// Create new AHeapInfo, a struct describing a heap.
 //
 // Takes name of the heap, up to 64 bytes including NUL-terminator. To
 // guarantee uniqueness, this should include the caller's domain name,
 // e.g. "com.android.malloc".
 //
-// Must eventually be passed to heapprofd_heap_register.
-HeapprofdHeapInfo* heapprofd_heapinfo_create(const char* heap_name);
+// Must eventually be passed to AHeapProfile_registerHeap.
+AHeapInfo* AHeapInfo_create(const char* heap_name);
 
-// Set callback in HeapprofdHeapInfo.
+// Set callback in AHeapInfo.
 //
-// After this HeapprofdHeapInfo is registered via heapprofd_heap_register,
+// After this AHeapInfo is registered via AHeapProfile_registerHeap,
 // this callback is called when profiling of the heap is requested.
-HeapprofdHeapInfo* heapprofd_heapinfo_set_callback(
-    HeapprofdHeapInfo* info,
-    void (*callback)(bool enabled));
+AHeapInfo* AHeapInfo_setCallback(AHeapInfo* info,
+                                 void (*callback)(bool enabled));
 
-// Register heap described in HeapprofdHeapInfo.
+// Register heap described in AHeapInfo.
 //
-// The returned heap_id can be used in heapprofd_report_allocation and
-// heapprofd_report_free.
+// The returned heap_id can be used in AHeapProfile_reportAllocation and
+// AHeapProfile_reportFree.
 //
 // Takes ownership of info.
-uint32_t heapprofd_heap_register(HeapprofdHeapInfo* info);
+uint32_t AHeapProfile_registerHeap(AHeapInfo* info);
 
 // Called by libc upon receipt of the profiling signal.
 // DO NOT CALL EXCEPT FROM LIBC!
 // TODO(fmayer): Maybe move this out of this header.
-bool heapprofd_init_session(void* (*malloc_fn)(size_t), void (*free_fn)(void*));
+bool AHeapProfile_initSession(void* (*malloc_fn)(size_t),
+                              void (*free_fn)(void*));
 
 // Reports an allocation of |size| on the given |heap_id|.
 //
@@ -106,19 +107,20 @@
 // associated to the current callstack in the profile.
 //
 // Returns whether the allocation was sampled.
-bool heapprofd_report_allocation(uint32_t heap_id,
-                                 uint64_t alloc_id,
-                                 uint64_t size);
+bool AHeapProfile_reportAllocation(uint32_t heap_id,
+                                   uint64_t alloc_id,
+                                   uint64_t size);
 
 // Report allocation was freed on the given heap.
 //
-// If |alloc_id| was sampled in a previous call to heapprofd_report_allocation,
-// this allocation is marked as freed in the profile.
+// If |alloc_id| was sampled in a previous call to
+// AHeapProfile_reportAllocation, this allocation is marked as freed in the
+// profile.
 //
 // It is allowed to call with an |alloc_id| that was either not sampled or never
-// passed to heapprofd_report_allocation, in which case the call will not
+// passed to AHeapProfile_reportAllocation, in which case the call will not
 // change the output.
-void heapprofd_report_free(uint32_t heap_id, uint64_t alloc_id);
+void AHeapProfile_reportFree(uint32_t heap_id, uint64_t alloc_id);
 
 #ifdef __cplusplus
 }
diff --git a/src/profiling/memory/client_ext.cc b/src/profiling/memory/client_ext.cc
index 03e5d6f..80b0db9 100644
--- a/src/profiling/memory/client_ext.cc
+++ b/src/profiling/memory/client_ext.cc
@@ -46,7 +46,7 @@
 using perfetto::profiling::ScopedSpinlock;
 using perfetto::profiling::UnhookedAllocator;
 
-struct HeapprofdHeapInfo {
+struct AHeapInfo {
   // Fields set by user.
   char heap_name[HEAPPROFD_HEAP_NAME_SZ];
   void (*callback)(bool enabled);
@@ -100,9 +100,9 @@
 
 constexpr auto kMinHeapId = 1;
 
-HeapprofdHeapInfo g_heaps[256];
+AHeapInfo g_heaps[256];
 
-HeapprofdHeapInfo& GetHeap(uint32_t id) {
+AHeapInfo& GetHeap(uint32_t id) {
   return g_heaps[id];
 }
 
@@ -137,7 +137,7 @@
 
 void DisableAllHeaps() {
   for (uint32_t i = kMinHeapId; i < g_next_heap_id.load(); ++i) {
-    HeapprofdHeapInfo& info = GetHeap(i);
+    AHeapInfo& info = GetHeap(i);
     if (!info.ready.load(std::memory_order_acquire))
       continue;
     if (info.enabled.load(std::memory_order_acquire)) {
@@ -212,10 +212,10 @@
 
 }  // namespace
 
-__attribute__((visibility("default"))) HeapprofdHeapInfo*
-heapprofd_heapinfo_create(const char* heap_name) {
+__attribute__((visibility("default"))) AHeapInfo* AHeapInfo_create(
+    const char* heap_name) {
   size_t len = strlen(heap_name);
-  if (len >= sizeof(HeapprofdHeapInfo::heap_name)) {
+  if (len >= sizeof(AHeapInfo::heap_name)) {
     return nullptr;
   }
 
@@ -227,14 +227,14 @@
   if (next_id == kMinHeapId)
     perfetto::profiling::StartHeapprofdIfStatic();
 
-  HeapprofdHeapInfo& info = GetHeap(next_id);
+  AHeapInfo& info = GetHeap(next_id);
   strncpy(info.heap_name, heap_name, sizeof(info.heap_name));
   return &info;
 }
 
-__attribute__((visibility("default"))) HeapprofdHeapInfo*
-heapprofd_heapinfo_set_callback(HeapprofdHeapInfo* info,
-                                void (*callback)(bool enabled)) {
+__attribute__((visibility("default"))) AHeapInfo* AHeapInfo_setCallback(
+    AHeapInfo* info,
+    void (*callback)(bool enabled)) {
   if (info == nullptr)
     return nullptr;
   if (info->ready.load(std::memory_order_relaxed))
@@ -243,8 +243,8 @@
   return info;
 }
 
-__attribute__((visibility("default"))) uint32_t heapprofd_heap_register(
-    HeapprofdHeapInfo* info) {
+__attribute__((visibility("default"))) uint32_t AHeapProfile_registerHeap(
+    AHeapInfo* info) {
   if (info == nullptr)
     return 0;
   info->ready.store(true, std::memory_order_release);
@@ -252,8 +252,8 @@
 }
 
 __attribute__((visibility("default"))) bool
-heapprofd_report_allocation(uint32_t heap_id, uint64_t id, uint64_t size) {
-  const HeapprofdHeapInfo& heap = GetHeap(heap_id);
+AHeapProfile_reportAllocation(uint32_t heap_id, uint64_t id, uint64_t size) {
+  const AHeapInfo& heap = GetHeap(heap_id);
   if (!heap.enabled.load(std::memory_order_acquire)) {
     return false;
   }
@@ -282,10 +282,10 @@
   return true;
 }
 
-__attribute__((visibility("default"))) void heapprofd_report_free(
+__attribute__((visibility("default"))) void AHeapProfile_reportFree(
     uint32_t heap_id,
     uint64_t id) {
-  const HeapprofdHeapInfo& heap = GetHeap(heap_id);
+  const AHeapInfo& heap = GetHeap(heap_id);
   if (!heap.enabled.load(std::memory_order_acquire)) {
     return;
   }
@@ -304,7 +304,7 @@
   }
 }
 
-__attribute__((visibility("default"))) bool heapprofd_init_session(
+__attribute__((visibility("default"))) bool AHeapProfile_initSession(
     void* (*malloc_fn)(size_t),
     void (*free_fn)(void*)) {
   static bool first_init = true;
@@ -357,7 +357,7 @@
       client->client_config();
 
   for (uint32_t i = kMinHeapId; i < g_next_heap_id.load(); ++i) {
-    HeapprofdHeapInfo& heap = GetHeap(i);
+    AHeapInfo& heap = GetHeap(i);
     if (!heap.ready.load(std::memory_order_acquire))
       continue;
 
diff --git a/src/profiling/memory/client_ext_noop.cc b/src/profiling/memory/client_ext_noop.cc
index 96bfacb..ed9cb0a 100644
--- a/src/profiling/memory/client_ext_noop.cc
+++ b/src/profiling/memory/client_ext_noop.cc
@@ -18,30 +18,31 @@
 
 #include <inttypes.h>
 
-__attribute__((visibility("default"))) HeapprofdHeapInfo*
-heapprofd_heapinfo_create(const char*) {
+__attribute__((visibility("default"))) AHeapInfo* AHeapInfo_create(
+    const char*) {
   return nullptr;
 }
 
-__attribute__((visibility("default"))) HeapprofdHeapInfo*
-heapprofd_heapinfo_set_callback(HeapprofdHeapInfo*, void (*)(bool enabled)) {
+__attribute__((visibility("default"))) AHeapInfo* AHeapInfo_setCallback(
+    AHeapInfo*,
+    void (*)(bool enabled)) {
   return nullptr;
 }
 
-__attribute__((visibility("default"))) uint32_t heapprofd_heap_register(
-    HeapprofdHeapInfo*) {
+__attribute__((visibility("default"))) uint32_t AHeapProfile_registerHeap(
+    AHeapInfo*) {
   return 0;
 }
 
 __attribute__((visibility("default"))) bool
-heapprofd_report_allocation(uint32_t, uint64_t, uint64_t) {
+AHeapProfile_reportAllocation(uint32_t, uint64_t, uint64_t) {
   return false;
 }
 
-__attribute__((visibility("default"))) void heapprofd_report_free(uint32_t,
-                                                                  uint64_t) {}
+__attribute__((visibility("default"))) void AHeapProfile_reportFree(uint32_t,
+                                                                    uint64_t) {}
 
-__attribute__((visibility("default"))) bool heapprofd_init_session(
+__attribute__((visibility("default"))) bool AHeapProfile_initSession(
     void* (*)(size_t),
     void (*)(void*)) {
   return false;
diff --git a/src/profiling/memory/client_ext_standalone.cc b/src/profiling/memory/client_ext_standalone.cc
index 08618c9..f935090 100644
--- a/src/profiling/memory/client_ext_standalone.cc
+++ b/src/profiling/memory/client_ext_standalone.cc
@@ -54,7 +54,7 @@
     char buf[1];
     ssize_t r = g_client_sock->Receive(buf, sizeof(buf));
     if (r >= 1) {
-      heapprofd_init_session(malloc, free);
+      AHeapProfile_initSession(malloc, free);
     } else if (r == 0) {
       PERFETTO_ELOG("Server disconneced.");
       break;
@@ -149,7 +149,7 @@
   task_runner.Run();
 }
 
-// This is called by heapprofd_init_session (client_ext.cc) to construct a
+// This is called by AHeapProfile_initSession (client_ext.cc) to construct a
 // client.
 std::shared_ptr<Client> ConstructClient(
     UnhookedAllocator<perfetto::profiling::Client> unhooked_allocator) {
diff --git a/src/profiling/memory/heapprofd_client_api.map.txt b/src/profiling/memory/heapprofd_client_api.map.txt
index 40c8de0..f5861d0 100644
--- a/src/profiling/memory/heapprofd_client_api.map.txt
+++ b/src/profiling/memory/heapprofd_client_api.map.txt
@@ -1,11 +1,11 @@
 {
   global:
-    heapprofd_heapinfo_create;
-    heapprofd_heapinfo_set_callback;
-    heapprofd_heap_register;
-    heapprofd_init_session;
-    heapprofd_report_allocation;
-    heapprofd_report_free;
+    AHeapInfo_create;
+    AHeapInfo_setCallback;
+    AHeapProfile_registerHeap;
+    AHeapProfile_initSession;
+    AHeapProfile_reportAllocation;
+    AHeapProfile_reportFree;
   local:
     *;
 };
diff --git a/src/profiling/memory/heapprofd_end_to_end_test.cc b/src/profiling/memory/heapprofd_end_to_end_test.cc
index fd70c61..51ec9cb 100644
--- a/src/profiling/memory/heapprofd_end_to_end_test.cc
+++ b/src/profiling/memory/heapprofd_end_to_end_test.cc
@@ -165,17 +165,16 @@
 #endif
 
 void CustomAllocateAndFree(size_t bytes) {
-  static uint32_t heap_id =
-      heapprofd_heap_register(heapprofd_heapinfo_create("test"));
-  heapprofd_report_allocation(heap_id, 0x1234abc, bytes);
-  heapprofd_report_free(heap_id, 0x1234abc);
+  static uint32_t heap_id = AHeapProfile_registerHeap(AHeapInfo_create("test"));
+  AHeapProfile_reportAllocation(heap_id, 0x1234abc, bytes);
+  AHeapProfile_reportFree(heap_id, 0x1234abc);
 }
 
 void SecondaryAllocAndFree(size_t bytes) {
   static uint32_t heap_id =
-      heapprofd_heap_register(heapprofd_heapinfo_create("secondary"));
-  heapprofd_report_allocation(heap_id, 0x1234abc, bytes);
-  heapprofd_report_free(heap_id, 0x1234abc);
+      AHeapProfile_registerHeap(AHeapInfo_create("secondary"));
+  AHeapProfile_reportAllocation(heap_id, 0x1234abc, bytes);
+  AHeapProfile_reportFree(heap_id, 0x1234abc);
 }
 
 void AllocateAndFree(size_t bytes) {
@@ -288,9 +287,8 @@
     return;
 
   static std::atomic<bool> initialized{false};
-  static uint32_t heap_id =
-      heapprofd_heap_register(heapprofd_heapinfo_set_callback(
-          heapprofd_heapinfo_create("test"), [](bool) { initialized = true; }));
+  static uint32_t heap_id = AHeapProfile_registerHeap(AHeapInfo_setCallback(
+      AHeapInfo_create("test"), [](bool) { initialized = true; }));
 
   ChildFinishHandshake();
 
@@ -300,11 +298,11 @@
   // We call the callback before setting enabled=true on the heap, so we
   // wait a bit for the assignment to happen.
   usleep(100000);
-  heapprofd_report_allocation(heap_id, 0x1, 10u);
-  heapprofd_report_free(heap_id, 0x1);
-  heapprofd_report_allocation(heap_id, 0x2, 15u);
-  heapprofd_report_allocation(heap_id, 0x3, 15u);
-  heapprofd_report_free(heap_id, 0x2);
+  AHeapProfile_reportAllocation(heap_id, 0x1, 10u);
+  AHeapProfile_reportFree(heap_id, 0x1);
+  AHeapProfile_reportAllocation(heap_id, 0x2, 15u);
+  AHeapProfile_reportAllocation(heap_id, 0x3, 15u);
+  AHeapProfile_reportFree(heap_id, 0x2);
 
   // Wait around so we can verify it did't crash.
   for (;;) {
diff --git a/src/profiling/memory/heapprofd_standalone_client_example.cc b/src/profiling/memory/heapprofd_standalone_client_example.cc
index e03fa18..a6b55bc 100644
--- a/src/profiling/memory/heapprofd_standalone_client_example.cc
+++ b/src/profiling/memory/heapprofd_standalone_client_example.cc
@@ -19,9 +19,9 @@
 #include <unistd.h>
 
 int main(int, char**) {
-  uint32_t heap_id = heapprofd_heap_register(heapprofd_heapinfo_create("test"));
+  uint32_t heap_id = AHeapProfile_registerHeap(AHeapInfo_create("test"));
   for (uint64_t i = 0; i < 100000; ++i) {
-    heapprofd_report_allocation(heap_id, i, i);
+    AHeapProfile_reportAllocation(heap_id, i, i);
     sleep(1);
   }
 }
diff --git a/src/profiling/memory/malloc_hooks.cc b/src/profiling/memory/malloc_hooks.cc
index d677fd6..3e67a70 100644
--- a/src/profiling/memory/malloc_hooks.cc
+++ b/src/profiling/memory/malloc_hooks.cc
@@ -105,9 +105,9 @@
   }
 }
 
-uint32_t g_heap_id = heapprofd_heap_register(heapprofd_heapinfo_set_callback(
-    heapprofd_heapinfo_create("com.android.malloc"),
-    ProfileCallback));
+uint32_t g_heap_id = AHeapProfile_registerHeap(
+    AHeapInfo_setCallback(AHeapInfo_create("com.android.malloc"),
+                          ProfileCallback));
 
 }  // namespace
 
@@ -126,7 +126,8 @@
                                        const char*) {
   // Table of pointers to backing implementation.
   g_dispatch.store(malloc_dispatch);
-  return heapprofd_init_session(malloc_dispatch->malloc, malloc_dispatch->free);
+  return AHeapProfile_initSession(malloc_dispatch->malloc,
+                                  malloc_dispatch->free);
 }
 
 void HEAPPROFD_ADD_PREFIX(_finalize)() {
@@ -137,32 +138,32 @@
 void* HEAPPROFD_ADD_PREFIX(_malloc)(size_t size) {
   const MallocDispatch* dispatch = GetDispatch();
   void* addr = dispatch->malloc(size);
-  heapprofd_report_allocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
-                              size);
+  AHeapProfile_reportAllocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
+                                size);
   return addr;
 }
 
 void* HEAPPROFD_ADD_PREFIX(_calloc)(size_t nmemb, size_t size) {
   const MallocDispatch* dispatch = GetDispatch();
   void* addr = dispatch->calloc(nmemb, size);
-  heapprofd_report_allocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
-                              nmemb * size);
+  AHeapProfile_reportAllocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
+                                nmemb * size);
   return addr;
 }
 
 void* HEAPPROFD_ADD_PREFIX(_aligned_alloc)(size_t alignment, size_t size) {
   const MallocDispatch* dispatch = GetDispatch();
   void* addr = dispatch->aligned_alloc(alignment, size);
-  heapprofd_report_allocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
-                              size);
+  AHeapProfile_reportAllocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
+                                size);
   return addr;
 }
 
 void* HEAPPROFD_ADD_PREFIX(_memalign)(size_t alignment, size_t size) {
   const MallocDispatch* dispatch = GetDispatch();
   void* addr = dispatch->memalign(alignment, size);
-  heapprofd_report_allocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
-                              size);
+  AHeapProfile_reportAllocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
+                                size);
   return addr;
 }
 
@@ -174,8 +175,8 @@
   if (res != 0)
     return res;
 
-  heapprofd_report_allocation(g_heap_id, reinterpret_cast<uint64_t>(*memptr),
-                              size);
+  AHeapProfile_reportAllocation(g_heap_id, reinterpret_cast<uint64_t>(*memptr),
+                                size);
   return 0;
 }
 
@@ -195,7 +196,7 @@
     return;
 
   const MallocDispatch* dispatch = GetDispatch();
-  heapprofd_report_free(g_heap_id, reinterpret_cast<uint64_t>(pointer));
+  AHeapProfile_reportFree(g_heap_id, reinterpret_cast<uint64_t>(pointer));
   return dispatch->free(pointer);
 }
 
@@ -210,10 +211,10 @@
 void* HEAPPROFD_ADD_PREFIX(_realloc)(void* pointer, size_t size) {
   const MallocDispatch* dispatch = GetDispatch();
   if (pointer)
-    heapprofd_report_free(g_heap_id, reinterpret_cast<uint64_t>(pointer));
+    AHeapProfile_reportFree(g_heap_id, reinterpret_cast<uint64_t>(pointer));
   void* addr = dispatch->realloc(pointer, size);
-  heapprofd_report_allocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
-                              size);
+  AHeapProfile_reportAllocation(g_heap_id, reinterpret_cast<uint64_t>(addr),
+                                size);
   return addr;
 }