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tracing: branch tracer, fix writing to trace/trace_options 

Impact: fix trace_options behavior

writing to trace/trace_options use the index of the array
to find the value of the flag. With branch tracer flag
defined conditionally, this breaks writing to trace_options
with branch tracer disabled.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Aneesh Kumar K.V 2008-11-16 16:07:58 +05:30 committed by Ingo Molnar
parent 072b40a156
commit 0c726da983
2 changed files with 0 additions and 4 deletions
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2
kernel/trace/trace.c
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@ -259,9 +259,7 @@ static const char *trace_options[] = {
"sched-tree",
"ftrace_printk",
"ftrace_preempt",
#ifdef CONFIG_BRANCH_TRACER
"branch",
#endif
"annotate",
NULL
};

2
kernel/trace/trace.h
View File

@ -470,9 +470,7 @@ enum trace_iterator_flags {
TRACE_ITER_SCHED_TREE = 0x200,
TRACE_ITER_PRINTK = 0x400,
TRACE_ITER_PREEMPTONLY = 0x800,
#ifdef CONFIG_BRANCH_TRACER
TRACE_ITER_BRANCH = 0x1000,
#endif
TRACE_ITER_ANNOTATE = 0x2000,
};