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Diffstat (limited to 'doc/collect_etm_data_for_autofdo.md')
| -rw-r--r-- | doc/collect_etm_data_for_autofdo.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/collect_etm_data_for_autofdo.md b/doc/collect_etm_data_for_autofdo.md index 5313c4e..2c00101 100644 --- a/doc/collect_etm_data_for_autofdo.md +++ b/doc/collect_etm_data_for_autofdo.md @@ -157,6 +157,25 @@ Step 4: Use AutoFDO data to build optimized binary. ```sh (host) <AOSP>$ mkdir toolchain/pgo-profiles/sampling/ (host) <AOSP>$ cp etm_test_loop.afdo toolchain/pgo-profiles/sampling/ +(host) <AOSP>$ vi toolchain/pgo-profiles/sampling/Android.bp +# edit Android.bp to add a fdo_profile module +# soong_namespace {} +# +# fdo_profile { +# name: "etm_test_loop_afdo", +# profile: ["etm_test_loop.afdo"], +# } +``` + +`soong_namespace` is added to support fdo_profile modules with the same name + +In a product config mk file, update `PRODUCT_AFDO_PROFILES` with + +```make +PRODUCT_AFDO_PROFILES += etm_test_loop://toolchain/pgo-profiles/sampling:etm_test_loop_afdo +``` + +```sh (host) <AOSP>$ vi system/extras/simpleperf/runtest/Android.bp # edit Android.bp to enable afdo for etm_test_loop. # cc_binary { |