1. Enable interrupt gprof please config CONFIG_PROFILE_MINI 2. Enable instuction gprof please add compile opt "-pg" or config CONFIG_PROFILE_ALL Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
gprof can analyze code hot spots based on scheduled sampling. After adding the "-pg" parameter when compiling, you can view the code call graph. Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>