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This function prepares the cpu buffer to write a sample. Struct op_entry is used during operations on the ring buffer while struct op_sample contains the data that is stored in the ring buffer. Struct entry can be uninitialized. The function reserves a data array that is specified by size. Use op_cpu_buffer_write_commit() after preparing the sample. In case of errors a null pointer is returned, otherwise the pointer to the sample. Signed-off-by: Robert Richter <robert.richter@amd.com> |
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| .. | ||
| buffer_sync.c | ||
| buffer_sync.h | ||
| cpu_buffer.c | ||
| cpu_buffer.h | ||
| event_buffer.c | ||
| event_buffer.h | ||
| oprof.c | ||
| oprof.h | ||
| oprofile_files.c | ||
| oprofile_stats.c | ||
| oprofile_stats.h | ||
| oprofilefs.c | ||
| timer_int.c | ||