18 #include "src/profiling/memory/heap_profile_internal.h"
39 #include "src/profiling/memory/client.h"
40 #include "src/profiling/memory/client_api_factory.h"
41 #include "src/profiling/memory/scoped_spinlock.h"
42 #include "src/profiling/memory/unhooked_allocator.h"
43 #include "src/profiling/memory/wire_protocol.h"
54   perfetto::profiling::Sampler sampler;
69 using perfetto::profiling::ScopedSpinlock;
70 using perfetto::profiling::UnhookedAllocator;
82 // Holds the active profiling client. Is empty at the start, or after we've
83 // started shutting down a profiling session. Hook invocations take shared_ptr
99 alignas(std::shared_ptr<perfetto::profiling::Client>) char g_client_arr[sizeof(
100     std::shared_ptr<perfetto::profiling::Client>)];
104 std::shared_ptr<perfetto::profiling::Client>* GetClientLocked() {  in GetClientLocked()
106     new (g_client_arr) std::shared_ptr<perfetto::profiling::Client>;  in GetClientLocked()
109   return reinterpret_cast<std::shared_ptr<perfetto::profiling::Client>*>(  in GetClientLocked()
123 // perfetto::profiling::Sampler).
129     std::is_trivially_destructible<perfetto::profiling::Spinlock>::value,
131 perfetto::profiling::Spinlock g_client_lock{};
167   // Give up on profiling the process but leave it running.  in OnSpinlockTimeout()
169   // subsequent profiling requests.  The current session is kept  in OnSpinlockTimeout()
175   perfetto::profiling::PoisonSpinlock(&g_client_lock);  in OnSpinlockTimeout()
181 void ShutdownLazy(const std::shared_ptr<perfetto::profiling::Client>& client) {  in ShutdownLazy()
198                          perfetto::profiling::Client* client) {  in MaybeToggleHeap()
243 // state (present only when actively profiling at the time of fork) in the
254 // * it should be possible to start a new profiling session in this child
275   // Leak the existing shared_ptr contents, including the profiling |Client| if  in AtForkChild()
276   // profiling was active at the time of the fork.  in AtForkChild()
280   new (g_client_arr) std::shared_ptr<perfetto::profiling::Client>();  in AtForkChild()
304     perfetto::profiling::StartHeapprofdIfStatic();  in AHeapInfo_create()
351   std::shared_ptr<perfetto::profiling::Client> client;  in AHeapProfile_registerHeap()
384   std::shared_ptr<perfetto::profiling::Client> client;  in AHeapProfile_reportAllocation()
435   std::shared_ptr<perfetto::profiling::Client> client;  in AHeapProfile_reportSample()
468   std::shared_ptr<perfetto::profiling::Client> client;  in AHeapProfile_reportFree()
505   std::shared_ptr<perfetto::profiling::Client> old_client;  in AHeapProfile_initSession()
515       PERFETTO_LOG("%s: Rejecting concurrent profiling initialization.",  in AHeapProfile_initSession()
527   UnhookedAllocator<perfetto::profiling::Client> unhooked_allocator(malloc_fn,  in AHeapProfile_initSession()
532   std::shared_ptr<perfetto::profiling::Client> client =  in AHeapProfile_initSession()
533       perfetto::profiling::ConstructClient(unhooked_allocator);  in AHeapProfile_initSession()