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trace: consolidate unlikely and likely profiler

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Impact: clean up to make one profiler of like and unlikely tracer

The likely and unlikely profiler prints out the file and line numbers
of the annotated branches that it is profiling. It shows the number
of times it was correct or incorrect in its guess. Having two
different files or sections for that matter to tell us if it was a
likely or unlikely is pretty pointless. We really only care if
it was correct or not.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt
2008-11-21 00:40:40 -05:00
committed by Ingo Molnar
parent 42f565e116
commit 45b797492a
4 changed files with 22 additions and 53 deletions
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9
include/asm-generic/vmlinux.lds.h
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@@ -46,12 +46,9 @@
#endif
#ifdef CONFIG_TRACE_BRANCH_PROFILING
#define LIKELY_PROFILE() VMLINUX_SYMBOL(__start_likely_profile) = .; \
*(_ftrace_likely) \
VMLINUX_SYMBOL(__stop_likely_profile) = .; \
VMLINUX_SYMBOL(__start_unlikely_profile) = .; \
*(_ftrace_unlikely) \
VMLINUX_SYMBOL(__stop_unlikely_profile) = .;
#define LIKELY_PROFILE() VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
*(_ftrace_annotated_branch) \
VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
#else
#define LIKELY_PROFILE()
#endif