diff options
Diffstat (limited to 'src/H5Cpkg.h')
| -rw-r--r-- | src/H5Cpkg.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/H5Cpkg.h b/src/H5Cpkg.h index 16c27de..1a32f0a 100644 --- a/src/H5Cpkg.h +++ b/src/H5Cpkg.h @@ -87,6 +87,18 @@ * magic: Unsigned 32 bit integer always set to H5C__H5C_T_MAGIC. This * field is used to validate pointers to instances of H5C_t. * + * trace_file_ptr: File pointer pointing to the trace file, which is used + * to record cache operations for use in simulations and design + * studies. This field will usually be NULL, indicating that + * no trace file should be recorded. + * + * Since much of the code supporting the parallel metadata + * cache is in H5AC, we don't write the trace file from + * H5C. Instead, H5AC reads the trace_file_ptr as needed. + * + * When we get to using H5C in other places, we may add + * code to write trace file data at the H5C level as well. + * * aux_ptr: Pointer to void used to allow wrapper code to associate * its data with an instance of H5C_t. The H5C cache code * sets this field to NULL, and otherwise leaves it alone. @@ -702,6 +714,8 @@ struct H5C_t { uint32_t magic; + FILE * trace_file_ptr; + void * aux_ptr; int32_t max_type_id; |