diff options
Diffstat (limited to 'include/trace.h')
| -rw-r--r-- | include/trace.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/trace.h b/include/trace.h index e7aee024f03..2be8d81b515 100644 --- a/include/trace.h +++ b/include/trace.h @@ -6,6 +6,8 @@ #ifndef __TRACE_H #define __TRACE_H +/* this file is included from a tool so uses uint32_t instead of u32, etc. */ + enum { /* * This affects the granularity of our trace. We can bin function @@ -23,6 +25,8 @@ enum { * this value. */ FUNC_SITE_SIZE = 4, /* distance between function sites */ + + TRACE_VERSION = 1, }; enum trace_chunk_type { @@ -39,7 +43,11 @@ struct trace_output_func { /* A header at the start of the trace output buffer */ struct trace_output_hdr { enum trace_chunk_type type; /* Record type */ - size_t rec_count; /* Number of records */ + uint32_t version; /* Version (TRACE_VERSION) */ + uint32_t rec_count; /* Number of records */ + uint32_t spare; /* 0 */ + uint64_t text_base; /* Value of CONFIG_TEXT_BASE */ + uint64_t spare2; /* 0 */ }; /* Print statistics about traced function calls */ @@ -63,7 +71,7 @@ int trace_list_functions(void *buff, size_t buff_size, size_t *needed); enum ftrace_flags { FUNCF_EXIT = 0UL << 30, FUNCF_ENTRY = 1UL << 30, - FUNCF_TEXTBASE = 2UL << 30, + /* two more values are available */ FUNCF_TIMESTAMP_MASK = 0x3fffffff, }; |