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function-graph: moved the timestamp from arch to generic code

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This patch move the timestamp from happening in the arch specific
code into the general code. This allows for better control by the tracer
to time manipulation.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
This commit is contained in:
Steven Rostedt 2009-03-23 23:38:49 -04:00
parent 098335215a
commit 5d1a03dc54
3 changed files with 7 additions and 10 deletions
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8
kernel/trace/trace_functions_graph.c
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@ -57,9 +57,9 @@ static struct tracer_flags tracer_flags = {
/* Add a function return address to the trace stack on thread info.*/
int
ftrace_push_return_trace(unsigned long ret, unsigned long long time,
unsigned long func, int *depth)
ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth)
{
unsigned long long calltime;
int index;
if (!current->ret_stack)
@ -71,11 +71,13 @@ ftrace_push_return_trace(unsigned long ret, unsigned long long time,
return -EBUSY;
}
calltime = trace_clock_local();
index = ++current->curr_ret_stack;
barrier();
current->ret_stack[index].ret = ret;
current->ret_stack[index].func = func;
current->ret_stack[index].calltime = time;
current->ret_stack[index].calltime = calltime;
*depth = index;
return 0;