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tracing/function-graph-tracer: provide a selftest for the function graph tracer

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Making it more easy to do a basic regression test for this tracer.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Frederic Weisbecker 2009-02-07 21:33:57 +01:00 • committed by Ingo Molnar
parent 2db270a80b
commit 7447dce96f
3 changed files with 55 additions and 0 deletions
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3
kernel/trace/trace_functions_graph.c
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@ -750,6 +750,9 @@ static struct tracer graph_trace __read_mostly = {
.print_line = print_graph_function,
.print_header = print_graph_headers,
.flags = &tracer_flags,
#ifdef CONFIG_FTRACE_SELFTEST
.selftest = trace_selftest_startup_function_graph,
#endif
};
static __init int init_graph_trace(void)