From cdda62b2c1178eca8cb9f5d8c775190736a98e3b Mon Sep 17 00:00:00 2001
From: Mark Salyzyn <salyzyn@google.com>
Date: Mon, 14 Dec 2015 13:07:12 -0800
Subject: [PATCH] logd: ro.config.low_ram set buffer size to 64K

Bug: 25792367
Change-Id: Icae85a7de70b3a71f89b2bf8c80866649f727177
---
 logd/LogBuffer.cpp | 5 +++++
 logd/LogUtils.h    | 3 +++
 logd/main.cpp      | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/logd/LogBuffer.cpp b/logd/LogBuffer.cpp
index 1e4f3b01e..5922f16e6 100644
--- a/logd/LogBuffer.cpp
+++ b/logd/LogBuffer.cpp
@@ -100,6 +100,11 @@ void LogBuffer::init() {
     unsigned long default_size = property_get_size(global_tuneable);
     if (!default_size) {
         default_size = property_get_size(global_default);
+        if (!default_size) {
+            default_size = property_get_bool("ro.config.low_ram", false) ?
+                LOG_BUFFER_MIN_SIZE : // 64K
+                LOG_BUFFER_SIZE;      // 256K
+        }
     }
 
     log_id_for_each(i) {
diff --git a/logd/LogUtils.h b/logd/LogUtils.h
index b591f2892..fccba6152 100644
--- a/logd/LogUtils.h
+++ b/logd/LogUtils.h
@@ -43,6 +43,9 @@ const char *tagToName(uint32_t tag);
 bool clientHasLogCredentials(uid_t uid, gid_t gid, pid_t pid);
 bool clientHasLogCredentials(SocketClient *cli);
 
+// Furnished in main.cpp
+bool property_get_bool(const char *key, bool def);
+
 static inline bool worstUidEnabledForLogid(log_id_t id) {
     return (id == LOG_ID_MAIN) || (id == LOG_ID_SYSTEM) || (id == LOG_ID_RADIO);
 }
diff --git a/logd/main.cpp b/logd/main.cpp
index 0f55d6081..2fcabdc9d 100644
--- a/logd/main.cpp
+++ b/logd/main.cpp
@@ -143,7 +143,7 @@ static int drop_privs() {
 }
 
 // Property helper
-static bool property_get_bool(const char *key, bool def) {
+bool property_get_bool(const char *key, bool def) {
     char property[PROPERTY_VALUE_MAX];
     property_get(key, property, "");