commit de1342a03317330b5d8fc5b0625ae1b8c027fcb7
author Maciej Żenczykowski <maze@google.com> Fri Jun 09 05:45:57 2023 +0000
committer Maciej Żenczykowski <maze@google.com> Fri Jun 09 05:58:57 2023 +0000
tree 801e0fe6e50737f2502e560d2d47d929e3590ec0
parent 7e343d58ceaa44821afe2cc9b8cdd9c3dad1fd2e

bpf_progs: disable BTF on <=U && user builds

This is to cut down bpfloader boot time.
Potential savings might be on the order of 30+% (300ms).

Loading BTF requires fork-execing the btfloader,
and currently BTF is only used to facilitate debugging.

Bug: 286369326
Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ifa5f0052135b9dc826b18ca4622784615ed9c3c8

bpf_progs/block.c

diff --git a/bpf_progs/block.c b/bpf_progs/block.c
index 3797a38..d734b74 100644
--- a/bpf_progs/block.c
+++ b/bpf_progs/block.c
@@ -71,3 +71,4 @@
 
 LICENSE("Apache 2.0");
 CRITICAL("ConnectivityNative");
+DISABLE_BTF_ON_USER_BUILDS();

bpf_progs/clatd.c

diff --git a/bpf_progs/clatd.c b/bpf_progs/clatd.c
index 85ba58e..905b8fa 100644
--- a/bpf_progs/clatd.c
+++ b/bpf_progs/clatd.c
@@ -416,3 +416,4 @@
 
 LICENSE("Apache 2.0");
 CRITICAL("Connectivity");
+DISABLE_BTF_ON_USER_BUILDS();

bpf_progs/dscpPolicy.c

diff --git a/bpf_progs/dscpPolicy.c b/bpf_progs/dscpPolicy.c
index 262b65b..88b50b5 100644
--- a/bpf_progs/dscpPolicy.c
+++ b/bpf_progs/dscpPolicy.c
@@ -238,3 +238,4 @@
 
 LICENSE("Apache 2.0");
 CRITICAL("Connectivity");
+DISABLE_BTF_ON_USER_BUILDS();

bpf_progs/netd.c

diff --git a/bpf_progs/netd.c b/bpf_progs/netd.c
index 245ad7a..74b09e7 100644
--- a/bpf_progs/netd.c
+++ b/bpf_progs/netd.c
@@ -587,3 +587,4 @@
 
 LICENSE("Apache 2.0");
 CRITICAL("Connectivity and netd");
+DISABLE_BTF_ON_USER_BUILDS();

bpf_progs/offload.c

diff --git a/bpf_progs/offload.c b/bpf_progs/offload.c
index 80d1a41..8645dd7 100644
--- a/bpf_progs/offload.c
+++ b/bpf_progs/offload.c
@@ -863,3 +863,4 @@
 
 LICENSE("Apache 2.0");
 CRITICAL("Connectivity (Tethering)");
+DISABLE_BTF_ON_USER_BUILDS();

bpf_progs/test.c

diff --git a/bpf_progs/test.c b/bpf_progs/test.c
index 091743c..68469c8 100644
--- a/bpf_progs/test.c
+++ b/bpf_progs/test.c
@@ -67,3 +67,4 @@
 }
 
 LICENSE("Apache 2.0");
+DISABLE_BTF_ON_USER_BUILDS();