| The Android Open Source Project | 52d4c30 | 2009-03-03 19:29:09 -0800 | [diff] [blame^] | 1 | // Copyright 2006 The Android Open Source Project |
| 2 | |
| 3 | #ifndef GTRACE_H |
| 4 | #define GTRACE_H |
| 5 | |
| 6 | class Gtrace { |
| 7 | public: |
| 8 | static const int kGtraceEntriesPerBlock = 1024; |
| 9 | static const uint32_t kMillion = 1000000; |
| 10 | static const uint32_t kTicsPerSecond = 200 * kMillion; |
| 11 | static const int kBaseTic = 0x1000; |
| 12 | |
| 13 | struct trace_entry { |
| 14 | uint32_t cycle; |
| 15 | uint32_t event; |
| 16 | }; |
| 17 | |
| 18 | struct block_header { |
| 19 | uint32_t blockno; |
| 20 | uint32_t entry_width; |
| 21 | uint32_t block_tic; |
| 22 | uint32_t block_time; |
| 23 | uint32_t usec_cpu; |
| 24 | uint32_t pid; |
| 25 | uint32_t bug_count; |
| 26 | uint32_t zero_count; |
| 27 | }; |
| 28 | |
| 29 | struct first_header { |
| 30 | block_header common; |
| 31 | uint32_t tic; |
| 32 | uint32_t one; |
| 33 | uint32_t tics_per_second; |
| 34 | uint32_t trace_time; |
| 35 | uint32_t version; |
| 36 | uint32_t file_proc; |
| 37 | uint32_t pdate; |
| 38 | uint32_t ptime; |
| 39 | }; |
| 40 | |
| 41 | Gtrace(); |
| 42 | ~Gtrace(); |
| 43 | |
| 44 | void Open(const char *gtrace_file, uint32_t pdate, uint32_t ptime); |
| 45 | void WriteFirstHeader(uint32_t start_sec, uint32_t pid); |
| 46 | void AddProcedure(int filenum, int procnum, const char *proc_name); |
| 47 | void AddProcEntry(int filenum, int procnum, uint32_t cycle, uint32_t pid); |
| 48 | void AddProcExit(int filenum, int procnum, uint32_t cycle, uint32_t pid); |
| 49 | |
| 50 | private: |
| 51 | void AddGtraceRecord(int filenum, int procnum, uint32_t cycle, uint32_t pid, |
| 52 | int is_exit); |
| 53 | void FillFirstHeader(uint32_t start_sec, uint32_t pid, |
| 54 | first_header *fh); |
| 55 | void WriteBlockHeader(uint32_t cycle, uint32_t pid); |
| 56 | |
| 57 | const char *gtrace_file_; |
| 58 | char gname_file_[100]; |
| 59 | FILE *ftrace_; |
| 60 | FILE *fnames_; |
| 61 | uint32_t start_sec_; |
| 62 | uint32_t pdate_; |
| 63 | uint32_t ptime_; |
| 64 | int num_entries_; |
| 65 | int blockno_; |
| 66 | uint32_t current_pid_; |
| 67 | }; |
| 68 | |
| 69 | #endif // GTRACE_H |