Re: [PATCH v13 03/14] perf, tools: Use pmu_events_map table to create event aliases

On Tue, Jun 02, 2015 at 10:12:03AM -0700, Sukadev Bhattiprolu wrote:

SNIP

 
+/*
+ * Return the CPU id as a raw string.
+ *
+ * Each architecture should provide a more precise id string that
+ * can be use to match the architecture's "mapfile".
+ */
+char *__attribute__((weak))get_cpuid_str(void)

we have '__weak' define in <linux/compiler.h> include

jirka