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CHIP-linux-l...
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tools
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testing
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selftests
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powerpc
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pmu
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ebb
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trace.h

trace.h 951 B
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  1. /*
    2. 

  2.  * Copyright 2014, Michael Ellerman, IBM Corp.
    3. 

  3.  * Licensed under GPLv2.
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef _SELFTESTS_POWERPC_PMU_EBB_TRACE_H
    7. 

  7. #define _SELFTESTS_POWERPC_PMU_EBB_TRACE_H
    8. 

  8. 

  9. #include "utils.h"
    10. 

  10. 

  11. #define TRACE_TYPE_REG		1
    12. 

  12. #define TRACE_TYPE_COUNTER	2
    13. 

  13. #define TRACE_TYPE_STRING	3
    14. 

  14. #define TRACE_TYPE_INDENT	4
    15. 

  15. #define TRACE_TYPE_OUTDENT	5
    16. 

  16. 

  17. struct trace_entry
    18. 

  18. {
    19. 

  19. 	u8 type;
    20. 

  20. 	u8 length;
    21. 

  21. 	u8 data[0];
    22. 

  22. };
    23. 

  23. 

  24. struct trace_buffer
    25. 

  25. {
    26. 

  26. 	u64  size;
    27. 

  27. 	bool overflow;
    28. 

  28. 	void *tail;
    29. 

  29. 	u8   data[0];
    30. 

  30. };
    31. 

  31. 

  32. struct trace_buffer *trace_buffer_allocate(u64 size);
    33. 

  33. int trace_log_reg(struct trace_buffer *tb, u64 reg, u64 value);
    34. 

  34. int trace_log_counter(struct trace_buffer *tb, u64 value);
    35. 

  35. int trace_log_string(struct trace_buffer *tb, char *str);
    36. 

  36. int trace_log_indent(struct trace_buffer *tb);
    37. 

  37. int trace_log_outdent(struct trace_buffer *tb);
    38. 

  38. void trace_buffer_print(struct trace_buffer *tb);
    39. 

  39. void trace_print_location(struct trace_buffer *tb);
    40. 

  40. 

  41. #endif /* _SELFTESTS_POWERPC_PMU_EBB_TRACE_H */
    42. 

  42.