log打印优化

Signed-off-by: wangyulie <wanglieyu@126.com>

BUILD.gn

@@ -240,9 +240,22 @@ ohos_prebuilt_etc("blacklist_cfg") {
   ]
 }
 
+ohos_prebuilt_etc("log_ctr_whitelist_cfg") {
+  relative_install_dir = "ffrt"
+  source = "log_ctr_whitelist.conf"
+  part_name = "ffrt"
+  subsystem_name = "resourceschedule"
+  install_enable = true
+  install_images = [
+    "system",
+    "updater",
+  ]
+}
+
 group("ffrt_ndk") {
   deps = [
     ":blacklist_cfg",
     ":libffrt",
+    ":log_ctr_whitelist_cfg",
   ]
 }

log_ctr_whitelist.conf

@@ -0,0 +1,3 @@
+foundation
+CameraDaemon
+com.ohos.sceneboard

src/dfx/log/ffrt_log.cpp

@@ -16,18 +16,31 @@
 #ifdef OHOS_STANDARD_SYSTEM
 #include "faultloggerd_client.h"
 #endif
-#include <string>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+#include <sstream>
 #include <atomic>
 #include "ffrt_log_api.h"
 #include "internal_inc/osal.h"
 static int g_ffrtLogLevel = FFRT_LOG_DEBUG;
 static std::atomic<unsigned int> g_ffrtLogId(0);
+static bool g_whiteListFlag = false;
+namespace {
+    constexpr int PROCESS_NAME_BUFFER_LENGTH = 1024;
+    constexpr char CONF_FILEPATH[] = "/etc/ffrt/log_ctr_whitelist.conf";
+}
 
 unsigned int GetLogId(void)
 {
     return ++g_ffrtLogId;
 }
 
+bool IsInWhitelist(void)
+{
+    return g_whiteListFlag;
+}
+
 int GetFFRTLogLevel(void)
 {
     return g_ffrtLogLevel;
@@ -45,7 +58,34 @@ static void SetLogLevel(void)
     }
 }
 
+void InitWhiteListFlag(void)
+{
+    // 获取当前进程名称
+    char processName[PROCESS_NAME_BUFFER_LENGTH] = "";
+    GetProcessName(processName, PROCESS_NAME_BUFFER_LENGTH);
+    if (strlen(processName) == 0) {
+        g_whiteListFlag = true;
+        return;
+    }
+
+    // 从配置文件读取白名单对比
+    std::string whiteProcess;
+    std::ifstream file(CONF_FILEPATH);
+    if (file.is_open()) {
+        while (std::getline(file, whiteProcess)) {
+            if (strstr(processName, whiteProcess.c_str()) != nullptr) {
+                g_whiteListFlag = true;
+                return;
+            }
+        }
+    } else {
+        // 当文件不存在或者无权限时默认都开
+        g_whiteListFlag = true;
+    }
+}
+
 static __attribute__((constructor)) void LogInit(void)
 {
     SetLogLevel();
+    InitWhiteListFlag();
 }

src/dfx/log/ffrt_log_api.h

@@ -23,6 +23,7 @@
 #endif
 #include <string_view>
 #include "hilog/log.h"
+#include "internal_inc/osal.h"
 #include "dfx/bbox/fault_logger_fd_manager.h"
 #else
 #include "log_base.h"
@@ -35,6 +36,8 @@
 #define FFRT_LOG_LEVEL_MAX (FFRT_LOG_DEBUG + 1)
 
 unsigned int GetLogId(void);
+bool IsInWhitelist(void);
+void InitWhiteListFlag(void);
 
 #ifdef OHOS_STANDARD_SYSTEM
 template<size_t N>
@@ -78,8 +81,10 @@ constexpr auto convertFmtToPublic(const char(&str)[N])
 #if (FFRT_LOG_LEVEL >= FFRT_LOG_DEBUG)
 #define FFRT_LOGD(format, ...) \
     do { \
-        constexpr auto fmtPub = convertFmtToPublic("%u:%s:%d " format); \
-        HILOG_IMPL_STD_ARRAY(LOG_CORE, LOG_DEBUG, fmtPub, GetLogId(), __func__, __LINE__, ##__VA_ARGS__); \
+        if (unlikely(IsInWhitelist())) {\
+            constexpr auto fmtPub = convertFmtToPublic("%u:%s:%d " format); \
+            HILOG_IMPL_STD_ARRAY(LOG_CORE, LOG_DEBUG, fmtPub, GetLogId(), __func__, __LINE__, ##__VA_ARGS__); \
+        } \
     } while (0)
 #else
 #define FFRT_LOGD(format, ...)

src/util/ffrt_facade.cpp

@@ -57,5 +57,6 @@ FFRTFacade::FFRTFacade()
 {
     DependenceManager::Instance();
     ProcessExitManager::Instance();
+    InitWhiteListFlag();
 }
 } // namespace FFRT