diff options
| author | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2017-01-19 08:57:41 -0500 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2017-01-19 08:57:41 -0500 |
| commit | 068f530b3f274d313395663bf8d674798d4858c6 (patch) | |
| tree | ab243386f95697f056b6473ca820c0e616a0e6f5 /kernel/trace/trace_entries.h | |
| parent | 134e6a034cb004ed5acd3048792de70ced1c6cf5 (diff) | |
tracing: Add the constant count for branch tracer
The unlikely/likely branch profiler now gets called even if the if statement
is a constant (always goes in one direction without a compare). Add a value
to denote this in the likely/unlikely tracer as well.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_entries.h')
| -rw-r--r-- | kernel/trace/trace_entries.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h index eb7396b7e7c3..c203ac4df791 100644 --- a/kernel/trace/trace_entries.h +++ b/kernel/trace/trace_entries.h @@ -328,11 +328,13 @@ FTRACE_ENTRY(branch, trace_branch, __array( char, func, TRACE_FUNC_SIZE+1 ) __array( char, file, TRACE_FILE_SIZE+1 ) __field( char, correct ) + __field( char, constant ) ), - F_printk("%u:%s:%s (%u)", + F_printk("%u:%s:%s (%u)%s", __entry->line, - __entry->func, __entry->file, __entry->correct), + __entry->func, __entry->file, __entry->correct, + __entry->constant ? " CONSTANT" : ""), FILTER_OTHER ); |