Add initial source code

Change-Id: I285a55c44c9fd5d3a8abaa781ef9dc8d9d39f53a
Signed-off-by: HyunKyung Kim <hk310.kim@samsung.com>

1 files changed, 196 insertions, 0 deletions

diff --git a/libhwc2.1/ExynosHWCDebug.cpp b/libhwc2.1/ExynosHWCDebug.cpp
new file mode 100644
index 0000000..e3e3fe8
--- /dev/null
+++ b/libhwc2.1/ExynosHWCDebug.cpp
@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+#include "ExynosHWCDebug.h"
+#include "ExynosDisplay.h"
+#include <sync/sync.h>
+#include "exynos_sync.h"
+
+uint32_t mErrLogSize = 0;
+uint32_t mFenceLogSize = 0;
+
+int32_t saveErrorLog(const String8 &errString, ExynosDisplay *display)
+{
+    int32_t ret = NO_ERROR;
+    if (mErrLogSize >= ERR_LOG_SIZE)
+        return -1;
+
+    FILE *pFile = NULL;
+    char filePath[128];
+    sprintf(filePath, "%s/hwc_error_log.txt", ERROR_LOG_PATH0);
+    pFile = fopen(filePath, "a");
+    if (pFile == NULL) {
+        ALOGE("Fail to open file %s/hwc_error_log.txt, error: %s", ERROR_LOG_PATH0, strerror(errno));
+        sprintf(filePath, "%s/hwc_error_log.txt", ERROR_LOG_PATH1);
+        pFile = fopen(filePath, "a");
+    }
+    if (pFile == NULL) {
+        ALOGE("Fail to open file %s/hwc_error_log.txt, error: %s", ERROR_LOG_PATH1, strerror(errno));
+        return -errno;
+    }
+
+    mErrLogSize = ftell(pFile);
+    if (mErrLogSize >= ERR_LOG_SIZE) {
+        if (pFile != NULL)
+            fclose(pFile);
+        return -1;
+    }
+
+    String8 saveString;
+    struct timeval tv;
+    struct tm* localTime;
+    gettimeofday(&tv, NULL);
+    localTime = (struct tm*)localtime((time_t*)&tv.tv_sec);
+
+    if (display != NULL) {
+        saveString.appendFormat("%02d-%02d %02d:%02d:%02d.%03lu(%lu) %s %" PRIu64 ": %s\n",
+                localTime->tm_mon+1, localTime->tm_mday,
+                localTime->tm_hour, localTime->tm_min,
+                localTime->tm_sec, tv.tv_usec/1000, ((tv.tv_sec * 1000) + (tv.tv_usec / 1000)),
+                display->mDisplayName.string(), display->mErrorFrameCount,
+                errString.string());
+    } else {
+        saveString.appendFormat("%02d-%02d %02d:%02d:%02d.%03lu(%lu) : %s\n",
+                localTime->tm_mon+1, localTime->tm_mday,
+                localTime->tm_hour, localTime->tm_min,
+                localTime->tm_sec, tv.tv_usec/1000, ((tv.tv_sec * 1000) + (tv.tv_usec / 1000)),
+                errString.string());
+    }
+
+    if (pFile != NULL) {
+        fwrite(saveString.string(), 1, saveString.size(), pFile);
+        mErrLogSize = (uint32_t)ftell(pFile);
+        ret = mErrLogSize;
+        fclose(pFile);
+    }
+    return ret;
+}
+
+int32_t saveFenceTrace(ExynosDisplay *display) {
+    int32_t ret = NO_ERROR;
+
+    if (mFenceLogSize >= FENCE_ERR_LOG_SIZE)
+        return -1;
+
+    FILE *pFile = NULL;
+    char filePath[128];
+    sprintf(filePath, "%s/hwc_fence_state.txt", ERROR_LOG_PATH0);
+    pFile = fopen(filePath, "a");
+    if (pFile == NULL) {
+        ALOGE("Fail to open file %s/hwc_fence_state.txt, error: %s", ERROR_LOG_PATH0, strerror(errno));
+        sprintf(filePath, "%s/hwc_fence_state.txt", ERROR_LOG_PATH1);
+        pFile = fopen(filePath, "a");
+    }
+    if (pFile == NULL) {
+        ALOGE("Fail to open file %s, error: %s", ERROR_LOG_PATH1, strerror(errno));
+        return -errno;
+    }
+
+    mFenceLogSize = ftell(pFile);
+    if (mFenceLogSize >= FENCE_ERR_LOG_SIZE) {
+        if (pFile != NULL)
+            fclose(pFile);
+        return -1;
+    }
+
+    String8 saveString;
+    struct timeval tv;
+
+    ExynosDevice *device = display->mDevice;
+    hwc_fence_info_t* _info = device->mFenceInfo;
+
+    if (device != NULL) {
+        for(int i=0; i<1024;i ++){
+
+            bool sysFdOpen = false;
+            hwc_fence_info_t info = _info[i];
+
+            // FIXME: sync_fence_info and sync_pt_info are deprecated
+            //        HWC guys should fix this
+#if 0
+            struct sync_pt_info* pt_info = NULL;
+            info.sync_data = sync_fence_info(i);
+            if (info.sync_data != NULL) {
+                pt_info = sync_pt_info(info.sync_data, pt_info);
+                if (pt_info !=NULL) {
+                    saveString.appendFormat("\n-- FD sys : %d\n", i);
+                    saveString.appendFormat("real name : %s, status : %s, pt_obj : %s, pt_drv : %s, time : %llu",
+                            info.sync_data->name, info.sync_data->status==1 ? "Active":"Signaled",
+                            pt_info->obj_name, pt_info->driver_name, static_cast<unsigned long long>(pt_info->timestamp_ns));
+                } else {
+                    saveString.appendFormat("\n-- FD sys : %d\n", i);
+                    saveString.appendFormat("real name : %s, status : %d, pt_info : %p",
+                            info.sync_data->name, info.sync_data->status, pt_info);
+                }
+                sysFdOpen = true;
+                sync_fence_info_free(info.sync_data);
+            }
+#endif
+
+            if ((info.usage == 0) && !sysFdOpen) continue;
+
+            saveString.appendFormat("\n-- FD hwc : %d, usage %d\n", i, info.usage);
+
+            switch(info.last_dir) {
+            case FENCE_FROM:
+                saveString.appendFormat("Last state : from %d, %d\n",
+                        info.from.type, info.from.ip);
+                tv = info.from.time;
+                break;
+            case FENCE_TO:
+                saveString.appendFormat("Last state : to %d, %d\n",
+                        info.to.type, info.to.ip);
+                tv = info.to.time;
+                break;
+            case FENCE_DUP:
+                saveString.appendFormat("Last state : dup %d, %d\n",
+                        info.dup.type, info.dup.ip);
+                tv = info.dup.time;
+                break;
+            case FENCE_CLOSE:
+                saveString.appendFormat("Last state : Close %d, %d\n",
+                        info.close.type, info.close.ip);
+                tv = info.close.time;
+                break;
+                break;
+            default:
+                saveString.appendFormat("Fence trace : Undefined direction!\n");
+                break;
+            }
+
+            struct tm* localTime = (struct tm*)localtime((time_t*)&tv.tv_sec);
+
+            saveString.appendFormat("from : %d, %d (cur : %d), to : %d, %d (cur : %d), hwc_dup : %d, %d (cur : %d), hwc_close : %d, %d (cur : %d)\n",
+                    info.from.type, info.from.ip, info.from.curFlag,
+                    info.to.type, info.to.ip, info.to.curFlag,
+                    info.dup.type, info.dup.ip, info.dup.curFlag,
+                    info.close.type, info.close.ip, info.close.curFlag);
+            saveString.appendFormat("usage : %d, time:%02d-%02d %02d:%02d:%02d.%03lu(%lu)", info.usage,
+                    localTime->tm_mon+1, localTime->tm_mday,
+                    localTime->tm_hour, localTime->tm_min,
+                    localTime->tm_sec, tv.tv_usec/1000,
+                    ((tv.tv_sec * 1000) + (tv.tv_usec / 1000)));
+        }
+    }
+
+    if (pFile != NULL) {
+        fwrite(saveString.string(), 1, saveString.size(), pFile);
+        mFenceLogSize = (uint32_t)ftell(pFile);
+        ret = mFenceLogSize;
+        fclose(pFile);
+    }
+
+    return ret;
+}