commit c42cb0e08a7c8f7085115e57b0ea92da9eee1575
author Mathieu Chartier <mathieuc@google.com> Fri Oct 13 11:35:00 2017 -0700
committer Mathieu Chartier <mathieuc@google.com> Fri Oct 13 16:35:55 2017 -0700
tree 05fe067296d7e15bd3e607ac8792eca8652548dc
parent 6cee5e402cb206f0c0878e999f885a7206dcbb09

Add -XX:MadviseRandomAccess option

If enabled, ART will advise random access to the kernel for files
that are thought to have such access patterns.

Bug: 67772594
Test: verify that -XX:MadviseRandomAccess:true is passed to runtime init

(cherry picked from commit 087f2046dfdf41646c740a05004b4d40cbd99b11)

Change-Id: I76a5f62846d563a4f2cf25e47dbd320464aee8c1

runtime/runtime_options.def

diff --git a/runtime/runtime_options.def b/runtime/runtime_options.def
index cafae22..2e03562 100644
--- a/runtime/runtime_options.def
+++ b/runtime/runtime_options.def
@@ -70,6 +70,7 @@
 RUNTIME_OPTIONS_KEY (bool,                EnableHSpaceCompactForOOM,      true)
 RUNTIME_OPTIONS_KEY (bool,                UseJitCompilation,              false)
 RUNTIME_OPTIONS_KEY (bool,                DumpNativeStackOnSigQuit,       true)
+RUNTIME_OPTIONS_KEY (bool,                MadviseRandomAccess,            false)
 RUNTIME_OPTIONS_KEY (unsigned int,        JITCompileThreshold)
 RUNTIME_OPTIONS_KEY (unsigned int,        JITWarmupThreshold)
 RUNTIME_OPTIONS_KEY (unsigned int,        JITOsrThreshold)