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/*
* Copyright 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include "GpuService.h"
#include <android-base/stringprintf.h>
#include <binder/IPCThreadState.h>
#include <binder/IResultReceiver.h>
#include <binder/Parcel.h>
#include <binder/PermissionCache.h>
#include <cutils/properties.h>
#include <gpustats/GpuStats.h>
#include <private/android_filesystem_config.h>
#include <utils/String8.h>
#include <utils/Trace.h>
#include <vkjson.h>
namespace android {
using base::StringAppendF;
namespace {
status_t cmdHelp(int out);
status_t cmdVkjson(int out, int err);
void dumpGameDriverInfo(std::string* result);
} // namespace
const String16 sDump("android.permission.DUMP");
const char* const GpuService::SERVICE_NAME = "gpu";
GpuService::GpuService() : mGpuStats(std::make_unique<GpuStats>()){};
void GpuService::setGpuStats(const std::string& driverPackageName,
const std::string& driverVersionName, uint64_t driverVersionCode,
int64_t driverBuildTime, const std::string& appPackageName,
const int32_t vulkanVersion, GpuStatsInfo::Driver driver,
bool isDriverLoaded, int64_t driverLoadingTime) {
mGpuStats->insertDriverStats(driverPackageName, driverVersionName, driverVersionCode,
driverBuildTime, appPackageName, vulkanVersion, driver,
isDriverLoaded, driverLoadingTime);
}
void GpuService::setTargetStats(const std::string& appPackageName, const uint64_t driverVersionCode,
const GpuStatsInfo::Stats stats, const uint64_t value) {
mGpuStats->insertTargetStats(appPackageName, driverVersionCode, stats, value);
}
void GpuService::setUpdatableDriverPath(const std::string& driverPath) {
IPCThreadState* ipc = IPCThreadState::self();
const int pid = ipc->getCallingPid();
const int uid = ipc->getCallingUid();
// only system_server is allowed to set updatable driver path
if (uid != AID_SYSTEM) {
ALOGE("Permission Denial: can't set updatable driver path from pid=%d, uid=%d\n", pid, uid);
return;
}
std::lock_guard<std::mutex> lock(mLock);
mDeveloperDriverPath = driverPath;
}
std::string GpuService::getUpdatableDriverPath() {
std::lock_guard<std::mutex> lock(mLock);
return mDeveloperDriverPath;
}
status_t GpuService::shellCommand(int /*in*/, int out, int err, std::vector<String16>& args) {
ATRACE_CALL();
ALOGV("shellCommand");
for (size_t i = 0, n = args.size(); i < n; i++)
ALOGV(" arg[%zu]: '%s'", i, String8(args[i]).string());
if (args.size() >= 1) {
if (args[0] == String16("vkjson")) return cmdVkjson(out, err);
if (args[0] == String16("help")) return cmdHelp(out);
}
// no command, or unrecognized command
cmdHelp(err);
return BAD_VALUE;
}
status_t GpuService::doDump(int fd, const Vector<String16>& args, bool /*asProto*/) {
std::string result;
IPCThreadState* ipc = IPCThreadState::self();
const int pid = ipc->getCallingPid();
const int uid = ipc->getCallingUid();
if ((uid != AID_SHELL) && !PermissionCache::checkPermission(sDump, pid, uid)) {
StringAppendF(&result, "Permission Denial: can't dump gpu from pid=%d, uid=%d\n", pid, uid);
} else {
bool dumpAll = true;
bool dumpDriverInfo = false;
bool dumpStats = false;
size_t numArgs = args.size();
if (numArgs) {
for (size_t index = 0; index < numArgs; ++index) {
if (args[index] == String16("--gpustats")) {
dumpStats = true;
} else if (args[index] == String16("--gpudriverinfo")) {
dumpDriverInfo = true;
}
}
dumpAll = !(dumpDriverInfo || dumpStats);
}
if (dumpAll || dumpDriverInfo) {
dumpGameDriverInfo(&result);
result.append("\n");
}
if (dumpAll || dumpStats) {
mGpuStats->dump(args, &result);
result.append("\n");
}
}
write(fd, result.c_str(), result.size());
return NO_ERROR;
}
namespace {
status_t cmdHelp(int out) {
FILE* outs = fdopen(out, "w");
if (!outs) {
ALOGE("vkjson: failed to create out stream: %s (%d)", strerror(errno), errno);
return BAD_VALUE;
}
fprintf(outs,
"GPU Service commands:\n"
" vkjson dump Vulkan properties as JSON\n");
fclose(outs);
return NO_ERROR;
}
void vkjsonPrint(FILE* out) {
std::string json = VkJsonInstanceToJson(VkJsonGetInstance());
fwrite(json.data(), 1, json.size(), out);
fputc('\n', out);
}
status_t cmdVkjson(int out, int /*err*/) {
FILE* outs = fdopen(out, "w");
if (!outs) {
int errnum = errno;
ALOGE("vkjson: failed to create output stream: %s", strerror(errnum));
return -errnum;
}
vkjsonPrint(outs);
fclose(outs);
return NO_ERROR;
}
void dumpGameDriverInfo(std::string* result) {
if (!result) return;
char stableGameDriver[PROPERTY_VALUE_MAX] = {};
property_get("ro.gfx.driver.0", stableGameDriver, "unsupported");
StringAppendF(result, "Stable Game Driver: %s\n", stableGameDriver);
char preReleaseGameDriver[PROPERTY_VALUE_MAX] = {};
property_get("ro.gfx.driver.1", preReleaseGameDriver, "unsupported");
StringAppendF(result, "Pre-release Game Driver: %s\n", preReleaseGameDriver);
}
} // anonymous namespace
} // namespace android
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