|  | @@ -42,6 +42,8 @@ void grpc_timers_global_init(void);
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				|  |  |  void grpc_timers_global_destroy(void);
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				|  |  |  
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				|  |  |  void grpc_timer_add_mark(int tag, void *id, const char *file, int line);
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				|  |  | +void grpc_timer_add_important_mark(int tag, void *id, const char *file,
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				|  |  | +                                   int line);
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				|  |  |  void grpc_timer_begin(int tag, void *id, const char *file, int line);
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				|  |  |  void grpc_timer_end(int tag, void *id, const char *file, int line);
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				|  |  |  
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				|  | @@ -82,6 +84,10 @@ enum grpc_profiling_tags {
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				|  |  |    do {                           \
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				|  |  |    } while (0)
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				|  |  |  
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				|  |  | +#define GRPC_TIMER_IMPORTANT_MARK(tag, id) \
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				|  |  | +  do {                           \
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				|  |  | +  } while (0)
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				|  |  | +
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				|  |  |  #define GRPC_TIMER_BEGIN(tag, id) \
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				|  |  |    do {                            \
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				|  |  |    } while (0)
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				|  | @@ -102,6 +108,12 @@ enum grpc_profiling_tags {
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				|  |  |      grpc_timer_add_mark(tag, ((void *)(gpr_intptr)(id)), __FILE__, __LINE__); \
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				|  |  |    }
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				|  |  |  
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				|  |  | +#define GRPC_TIMER_IMPORTANT_MARK(tag, id)                                   \
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				|  |  | +  if (tag < GRPC_PTAG_IGNORE_THRESHOLD) {                                    \
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				|  |  | +    grpc_timer_add_important_mark(tag, ((void *)(gpr_intptr)(id)), __FILE__, \
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				|  |  | +                                  __LINE__);                                 \
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				|  |  | +  }
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				|  |  | +
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				|  |  |  #define GRPC_TIMER_BEGIN(tag, id)                                          \
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				|  |  |    if (tag < GRPC_PTAG_IGNORE_THRESHOLD) {                                  \
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				|  |  |      grpc_timer_begin(tag, ((void *)(gpr_intptr)(id)), __FILE__, __LINE__); \
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