24 struct SampleEntry {  struct
25   int pid;
26   int tid;
27   const char* thread_comm;
28   std::string dso_name;
29   uint64_t map_start_addr;
30   size_t sample_count;
32   SampleEntry(int pid, int tid, const char* thread_comm,  in SampleEntry()  function
79   SampleEntry* CreateCallChainSample(const ThreadEntry*, const SampleEntry*, uint64_t, bool,  in CreateCallChainSample()
80                                      const std::vector<SampleEntry*>&,  in CreateCallChainSample()
84   const ThreadEntry* GetThreadOfSample(SampleEntry*) override {  in GetThreadOfSample()  argument