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path: root/libhwc2.1/libdevice/ExynosDisplay.cpp
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Diffstat (limited to 'libhwc2.1/libdevice/ExynosDisplay.cpp')
-rw-r--r--libhwc2.1/libdevice/ExynosDisplay.cpp132
1 files changed, 91 insertions, 41 deletions
diff --git a/libhwc2.1/libdevice/ExynosDisplay.cpp b/libhwc2.1/libdevice/ExynosDisplay.cpp
index bc17c2e..cd20a92 100644
--- a/libhwc2.1/libdevice/ExynosDisplay.cpp
+++ b/libhwc2.1/libdevice/ExynosDisplay.cpp
@@ -1018,7 +1018,10 @@ ExynosDisplay::ExynosDisplay(uint32_t index, ExynosDevice *device)
mVsyncPeriodChangeConstraints{systemTime(SYSTEM_TIME_MONOTONIC), 0},
mVsyncAppliedTimeLine{false, 0, systemTime(SYSTEM_TIME_MONOTONIC)},
mConfigRequestState(hwc_request_state_t::SET_CONFIG_STATE_NONE),
- mPowerHalHint(getDisplayId(mDisplayId, mIndex)) {
+ mPowerHalHint(getDisplayId(mDisplayId, mIndex)),
+ mErrLogFileWriter(2, ERR_LOG_SIZE),
+ mDebugDumpFileWriter(10, 1, ".dump"),
+ mFenceFileWriter(2, FENCE_ERR_LOG_SIZE) {
mDisplayControl.enableCompositionCrop = true;
mDisplayControl.enableExynosCompositionOptimization = true;
mDisplayControl.enableClientCompositionOptimization = true;
@@ -2407,31 +2410,15 @@ int ExynosDisplay::setWinConfigData() {
return 0;
}
-void ExynosDisplay::printDebugInfos(String8 &reason)
-{
- FILE *pFile = NULL;
+void ExynosDisplay::printDebugInfos(String8 &reason) {
struct timeval tv;
gettimeofday(&tv, NULL);
reason.appendFormat("errFrameNumber: %" PRId64 " time:%s\n", mErrorFrameCount,
getLocalTimeStr(tv).string());
ALOGD("%s", reason.string());
- if (mErrorFrameCount < HWC_PRINT_FRAME_NUM) {
- char filePath[128];
- sprintf(filePath, "%s/%s_hwc_debug%d.dump", ERROR_LOG_PATH0, mDisplayName.string(), (int)mErrorFrameCount);
- pFile = fopen(filePath, "wb");
- if (pFile == NULL) {
- ALOGE("Fail to open file %s, error: %s", filePath, strerror(errno));
- sprintf(filePath, "%s/%s_hwc_debug%d.dump", ERROR_LOG_PATH1, mDisplayName.string(), (int)mErrorFrameCount);
- pFile = fopen(filePath, "wb");
- }
- if (pFile == NULL) {
- ALOGE("Fail to open file %s, error: %s", filePath, strerror(errno));
- } else {
- ALOGI("%s was created", filePath);
- fwrite(reason.string(), 1, reason.size(), pFile);
- }
- }
+ bool fileOpened = mDebugDumpFileWriter.chooseOpenedFile();
+ mDebugDumpFileWriter.write(reason);
mErrorFrameCount++;
android::String8 result;
@@ -2443,24 +2430,20 @@ void ExynosDisplay::printDebugInfos(String8 &reason)
clientCompInfo.dump(result);
exynosCompInfo.dump(result);
ALOGD("%s", result.string());
- if (pFile != NULL) {
- fwrite(result.string(), 1, result.size(), pFile);
- }
+ mDebugDumpFileWriter.write(result);
result.clear();
result.appendFormat("======================= dump exynos layers (%zu) ================================\n",
mLayers.size());
ALOGD("%s", result.string());
- if (pFile != NULL) {
- fwrite(result.string(), 1, result.size(), pFile);
- }
+ mDebugDumpFileWriter.write(result);
result.clear();
for (uint32_t i = 0; i < mLayers.size(); i++) {
ExynosLayer *layer = mLayers[i];
layer->printLayer();
- if (pFile != NULL) {
+ if (fileOpened) {
layer->dump(result);
- fwrite(result.string(), 1, result.size(), pFile);
+ mDebugDumpFileWriter.write(result);
result.clear();
}
}
@@ -2469,16 +2452,14 @@ void ExynosDisplay::printDebugInfos(String8 &reason)
result.appendFormat("======================= dump ignore layers (%zu) ================================\n",
mIgnoreLayers.size());
ALOGD("%s", result.string());
- if (pFile != NULL) {
- fwrite(result.string(), 1, result.size(), pFile);
- }
+ mDebugDumpFileWriter.write(result);
result.clear();
for (uint32_t i = 0; i < mIgnoreLayers.size(); i++) {
ExynosLayer *layer = mIgnoreLayers[i];
layer->printLayer();
- if (pFile != NULL) {
+ if (fileOpened) {
layer->dump(result);
- fwrite(result.string(), 1, result.size(), pFile);
+ mDebugDumpFileWriter.write(result);
result.clear();
}
}
@@ -2486,23 +2467,19 @@ void ExynosDisplay::printDebugInfos(String8 &reason)
result.appendFormat("============================= dump win configs ===================================\n");
ALOGD("%s", result.string());
- if (pFile != NULL) {
- fwrite(result.string(), 1, result.size(), pFile);
- }
+ mDebugDumpFileWriter.write(result);
result.clear();
for (size_t i = 0; i < mDpuData.configs.size(); i++) {
ALOGD("config[%zu]", i);
printConfig(mDpuData.configs[i]);
- if (pFile != NULL) {
+ if (fileOpened) {
result.appendFormat("config[%zu]\n", i);
dumpConfig(result, mDpuData.configs[i]);
- fwrite(result.string(), 1, result.size(), pFile);
+ mDebugDumpFileWriter.write(result);
result.clear();
}
}
- if (pFile != NULL) {
- fclose(pFile);
- }
+ mDebugDumpFileWriter.flush();
}
int32_t ExynosDisplay::validateWinConfigData()
@@ -6082,3 +6059,76 @@ int ExynosDisplay::lookupDisplayConfigs(const int32_t &width,
}
return HWC2_ERROR_BAD_CONFIG;
}
+
+FILE *ExynosDisplay::RotatingLogFileWriter::openLogFile(const std::string &filename,
+ const std::string &mode) {
+ FILE *file = nullptr;
+ auto fullpath = std::string(ERROR_LOG_PATH0) + "/" + filename;
+ file = fopen(fullpath.c_str(), mode.c_str());
+ if (file != nullptr) {
+ return file;
+ }
+ ALOGE("Fail to open file %s, error: %s", fullpath.c_str(), strerror(errno));
+ fullpath = std::string(ERROR_LOG_PATH1) + "/" + filename;
+ file = fopen(fullpath.c_str(), mode.c_str());
+ if (file == nullptr) {
+ ALOGE("Fail to open file %s, error: %s", fullpath.c_str(), strerror(errno));
+ }
+ return file;
+}
+
+std::optional<nsecs_t> ExynosDisplay::RotatingLogFileWriter::getLastModifiedTimestamp(
+ const std::string &filename) {
+ struct stat fileStat;
+ auto fullpath = std::string(ERROR_LOG_PATH0) + "/" + filename;
+ if (stat(fullpath.c_str(), &fileStat) == 0) {
+ return fileStat.st_mtim.tv_sec * nsecsPerSec + fileStat.st_mtim.tv_nsec;
+ }
+ fullpath = std::string(ERROR_LOG_PATH1) + "/" + filename;
+ if (stat(fullpath.c_str(), &fileStat) == 0) {
+ return fileStat.st_mtim.tv_sec * nsecsPerSec + fileStat.st_mtim.tv_nsec;
+ }
+ return std::nullopt;
+}
+
+bool ExynosDisplay::RotatingLogFileWriter::chooseOpenedFile() {
+ if (mLastFileIndex < 0) {
+ // HWC could be restarted, so choose to open new file or continue the last modified file
+ int chosenIndex = 0;
+ nsecs_t lastModifTimestamp = 0;
+ for (int i = 0; i < mMaxFileCount; ++i) {
+ auto timestamp = getLastModifiedTimestamp(mPrefixName + std::to_string(i) + mExtension);
+ if (!timestamp.has_value()) {
+ chosenIndex = i;
+ break;
+ }
+ if (i == 0 || lastModifTimestamp < *timestamp) {
+ chosenIndex = i;
+ lastModifTimestamp = *timestamp;
+ }
+ }
+ auto filename = mPrefixName + std::to_string(chosenIndex) + mExtension;
+ mFile = openLogFile(filename, "ab");
+ if (mFile == nullptr) {
+ ALOGE("Unable to open log file for %s", filename.c_str());
+ return false;
+ }
+ mLastFileIndex = chosenIndex;
+ }
+
+ // Choose to use the same last file or move on to the next file
+ for (int i = 0; i < 2; ++i) {
+ if (mFile == nullptr) {
+ mFile = openLogFile(mPrefixName + std::to_string(mLastFileIndex) + mExtension,
+ (i == 0) ? "ab" : "wb");
+ }
+ if (mFile != nullptr) {
+ auto fileSize = ftell(mFile);
+ if (fileSize < mThresholdSizePerFile) return true;
+ fclose(mFile);
+ mFile = nullptr;
+ }
+ mLastFileIndex = (mLastFileIndex + 1) % mMaxFileCount;
+ }
+ return false;
+}
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