Avoid double get clock in xlog to improve performance

Author: kala13x

src/sys/log.c

@@ -29,6 +29,7 @@ typedef struct XLogCtx {
     const char *pFormat;
     xlog_flag_t eFlag;
     xbool_t bNewLine;
+    uint32_t nUsec;
     xtime_t time;
 } xlog_ctx_t;
 
@@ -233,7 +234,7 @@ static size_t XLog_CreateLogInfo(const xlog_ctx_t *pCtx, char* pOut, size_t nSiz
     xlog_cfg_t *pCfg = &g_xlog.config;
     const xtime_t *pTime = &pCtx->time;
     char sDate[XLOG_TIME_MAX] = XSTR_INIT;
-    uint32_t nMsecTime = XTime_GetUsec() / 1000;
+    uint32_t nMsecTime = pCtx->nUsec / 1000;
 
     if (pCfg->eTimeFormat == XLOG_TIME)
     {
@@ -298,8 +299,7 @@ void XLog_Display(xlog_flag_t eFlag, xbool_t bNewLine, const char *pFormat, ...)
         g_xlog.config.bToFile))
     {
         xlog_ctx_t ctx;
-        XTime_Get(&ctx.time);
-
+        ctx.nUsec = XTime_Get(&ctx.time);
         ctx.eFlag = eFlag;
         ctx.pFormat = pFormat;
         ctx.bNewLine = bNewLine;

src/sys/xtime.c

@@ -339,12 +339,13 @@ uint64_t XTime_GetStamp(void)
     return (uint64_t)now.nSec * 1000000 + nTimeStamp;
 }
 
-void XTime_Get(xtime_t *pTime) 
+uint32_t XTime_Get(xtime_t *pTime)
 {
     xtime_spec_t now;
     XTime_GetClock(&now);
     XTime_FromEpoch(pTime, now.nSec);
     pTime->nFraq = (uint8_t)(now.nNanoSec / 10000000);
+    return (uint32_t)(now.nNanoSec / 1000);
 }
 
 size_t XTime_GetStr(char *pDst, size_t nSize, xtime_fmt_t eFmt)

src/sys/xtime.h

@@ -75,8 +75,8 @@ extern "C" {
 #endif
 
 void XTime_Init(xtime_t *pTime);
-void XTime_Get(xtime_t *pTime);
 void XTime_GetTm(struct tm *pTm);
+uint32_t XTime_Get(xtime_t *pTime);
 uint64_t XTime_Serialized(void);
 uint64_t XTime_GetU64(void);
 uint32_t XTime_GetUsec(void);

src/xver.h

@@ -12,7 +12,7 @@
 
 #define XUTILS_VERSION_MAX     2
 #define XUTILS_VERSION_MIN     6
-#define XUTILS_BUILD_NUMBER    22
+#define XUTILS_BUILD_NUMBER    23
 
 #ifdef __cplusplus
 extern "C" {