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Code Issues Releases Wiki Activity

tracing: Fix selftest config check for function graph start up test 

CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS is required to test
direct tramp.

Link: https://lkml.kernel.org/r/bdc7e594e13b0891c1d61bc8d56c94b1890eaed7.1640017960.git.christophe.leroy@csgroup.eu

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Christophe Leroy 2021-12-20 16:38:06 +00:00 committed by Steven Rostedt (Google)
parent 851e99ebee
commit c5229a0bd4
1 changed files with 2 additions and 4 deletions
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6
kernel/trace/trace_selftest.c
View File

@ -784,9 +784,7 @@ static struct fgraph_ops fgraph_ops __initdata = {
.retfunc = &trace_graph_return,
};
#if defined(CONFIG_DYNAMIC_FTRACE) && \
defined(CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS)
#define TEST_DIRECT_TRAMP
#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
noinline __noclone static void trace_direct_tramp(void) { }
#endif
@ -849,7 +847,7 @@ trace_selftest_startup_function_graph(struct tracer *trace,
goto out;
}
#ifdef TEST_DIRECT_TRAMP
#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
tracing_reset_online_cpus(&tr->array_buffer);
set_graph_array(tr);