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Diffstat (limited to 'kernel/trace/trace_selftest.c')
-rw-r--r--kernel/trace/trace_selftest.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index a5f6001c3332..3877dd9102f1 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -123,6 +123,7 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace,
int ret;
int save_ftrace_enabled = ftrace_enabled;
int save_tracer_enabled = tracer_enabled;
+ char *func_name;
/* The ftrace test PASSED */
printk(KERN_CONT "PASSED\n");
@@ -142,9 +143,15 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace,
return ret;
}
+ /*
+ * Some archs *cough*PowerPC*cough* add charachters to the
+ * start of the function names. We simply put a '*' to
+ * accomodate them.
+ */
+ func_name = "*" STR(DYN_FTRACE_TEST_NAME);
+
/* filter only on our function */
- ftrace_set_filter(STR(DYN_FTRACE_TEST_NAME),
- sizeof(STR(DYN_FTRACE_TEST_NAME)), 1);
+ ftrace_set_filter(func_name, strlen(func_name), 1);
/* enable tracing */
tr->ctrl = 1;