dumpsys SurfaceFlinger 的堆栈信息（调用关系）

#include <utils/CallStack.h>

  android::CallStack stack;
    stack.update(1, 100);
    stack.dump("");

dumpsys SurfaceFlinger 的堆栈信息

E/SurfaceFlinger(  276): Dumping HWComposer.cpp

D/CallStack(  276): #00  pc 00023490  /system/lib/libsurfaceflinger.so (android::HWComposer::dump(android::String8&, char*, unsigned int) const+47)
D/CallStack(  276): #01  pc 00028728  /system/lib/libsurfaceflinger.so (android::SurfaceFlinger::dumpAllLocked(android::String8&, char*, unsigned int) const+863)
D/CallStack(  276): #02  pc 00028972  /system/lib/libsurfaceflinger.so (android::SurfaceFlinger::dump(int, android::Vector<android::String16> const&)+393)
D/CallStack(  276): #03  pc 0001444e  /system/lib/libbinder.so (android::BBinder::onTransact(unsigned int, android::Parcel const&, android::Parcel*, unsigned int)+113)
D/CallStack(  276): #04  pc 0002658a  /system/lib/libgui.so (android::BnSurfaceComposer::onTransact(unsigned int, android::Parcel const&, android::Parcel*, unsigned int)+965)
D/CallStack(  276): #05  pc 00027fe2  /system/lib/libsurfaceflinger.so (android::SurfaceFlinger::onTransact(unsigned int, android::Parcel const&, android::Parcel*, unsigned int)+165)
D/CallStack(  276): #06  pc 0001435e  /system/lib/libbinder.so (android::BBinder::transact(unsigned int, android::Parcel const&, android::Parcel*, unsigned int)+57)
D/CallStack(  276): #07  pc 00016f5a  /system/lib/libbinder.so (android::IPCThreadState::executeCommand(int)+513)
D/CallStack(  276): #08  pc 000173a8  /system/lib/libbinder.so (android::IPCThreadState::joinThreadPool(bool)+183)
D/CallStack(  276): #09  pc 0001b184  /system/lib/libbinder.so
D/CallStack(  276): #10  pc 00011264  /system/lib/libutils.so (android::Thread::_threadLoop(void*)+111)
D/CallStack(  276): #11  pc 00010dca  /system/lib/libutils.so
D/CallStack(  276): #12  pc 0000e4b8  /system/lib/libc.so (__thread_entry+72)
D/CallStack(  276): #13  pc 0000dba4  /system/lib/libc.so (pthread_create+160)
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