Merge changes I700b04d3,If56e449a
* changes:
audio HAL: set minimum Binder access priority
audio HAL: Enable RT priority inheritance
diff --git a/audio/common/all-versions/default/service/android.hardware.audio.service.rc b/audio/common/all-versions/default/service/android.hardware.audio.service.rc
index 45fef9a..f859f21 100644
--- a/audio/common/all-versions/default/service/android.hardware.audio.service.rc
+++ b/audio/common/all-versions/default/service/android.hardware.audio.service.rc
@@ -4,6 +4,8 @@
# media gid needed for /dev/fm (radio) and for /data/misc/media (tee)
group audio camera drmrpc inet media mediadrm net_bt net_bt_admin net_bw_acct wakelock context_hub
capabilities BLOCK_SUSPEND
+ # setting RLIMIT_RTPRIO allows binder RT priority inheritance
+ rlimit rtprio 10 10
ioprio rt 4
task_profiles ProcessCapacityHigh HighPerformance
onrestart restart audioserver
diff --git a/audio/core/all-versions/default/Device.cpp b/audio/core/all-versions/default/Device.cpp
index b954fcd..d03118a 100644
--- a/audio/core/all-versions/default/Device.cpp
+++ b/audio/core/all-versions/default/Device.cpp
@@ -30,6 +30,7 @@
#include <algorithm>
#include <android/log.h>
+#include <hidl/HidlTransportSupport.h>
#include <mediautils/MemoryLeakTrackUtil.h>
#include <memunreachable/memunreachable.h>
@@ -183,6 +184,7 @@
if (status == OK) {
streamOut = new StreamOut(this, halStream);
++mOpenedStreamsCount;
+ android::hardware::setMinSchedulerPolicy(streamOut, SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
}
status_t convertStatus =
HidlUtils::audioConfigFromHal(halConfig, false /*isInput*/, suggestedConfig);
@@ -220,6 +222,7 @@
if (status == OK) {
streamIn = new StreamIn(this, halStream);
++mOpenedStreamsCount;
+ android::hardware::setMinSchedulerPolicy(streamIn, SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
}
status_t convertStatus =
HidlUtils::audioConfigFromHal(halConfig, true /*isInput*/, suggestedConfig);
diff --git a/audio/core/all-versions/default/DevicesFactory.cpp b/audio/core/all-versions/default/DevicesFactory.cpp
index f44daf0..011f9ac 100644
--- a/audio/core/all-versions/default/DevicesFactory.cpp
+++ b/audio/core/all-versions/default/DevicesFactory.cpp
@@ -23,6 +23,8 @@
#include <string.h>
#include <android/log.h>
+#include <hidl/HidlTransportSupport.h>
+#include <system/thread_defs.h>
namespace android {
namespace hardware {
@@ -103,6 +105,7 @@
int halStatus = loadAudioInterface(moduleName, &halDevice);
if (halStatus == OK) {
result = new DeviceShim(halDevice);
+ android::hardware::setMinSchedulerPolicy(result, SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
retval = Result::OK;
} else if (halStatus == -EINVAL) {
retval = Result::NOT_INITIALIZED;
diff --git a/audio/effect/all-versions/default/EffectsFactory.cpp b/audio/effect/all-versions/default/EffectsFactory.cpp
index e93ad89..9bf309c 100644
--- a/audio/effect/all-versions/default/EffectsFactory.cpp
+++ b/audio/effect/all-versions/default/EffectsFactory.cpp
@@ -32,6 +32,7 @@
#include <UuidUtils.h>
#include <android/log.h>
+#include <hidl/HidlTransportSupport.h>
#include <media/EffectsFactoryApi.h>
#include <system/audio_effects/effect_aec.h>
#include <system/audio_effects/effect_agc.h>
@@ -44,6 +45,7 @@
#include <system/audio_effects/effect_presetreverb.h>
#include <system/audio_effects/effect_virtualizer.h>
#include <system/audio_effects/effect_visualizer.h>
+#include <system/thread_defs.h>
#include <util/EffectUtils.h>
namespace android {
@@ -189,6 +191,7 @@
status = (*handle)->get_descriptor(handle, &halDescriptor);
if (status == OK) {
effect = dispatchEffectInstanceCreation(halDescriptor, handle);
+ android::hardware::setMinSchedulerPolicy(effect, SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
effectId = EffectMap::getInstance().add(handle);
} else {
ALOGE("Error querying effect descriptor for %s: %s",