From: drh <drh@noemail.net>
Date: Wed, 30 Oct 2013 12:43:36 +0000 (+0000)
Subject: Enhance the timer in the shell to show wall-clock time in addition
X-Git-Tag: version-3.8.2~144
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4340831cc9359500e33edf1280cc3069b809c6aa;p=thirdparty%2Fsqlite.git

Enhance the timer in the shell to show wall-clock time in addition
to user and kernel CPU time.

FossilOrigin-Name: 908e2c2124baece578e7a665f42b6b483b8f1d64
---

diff --git a/manifest b/manifest
index bf759d7eb5..ecc6dc5890 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\sthe\s"Esri\sSpatially-Enabled\sDatabase"\sfile\sformat\sto\sthe\smagic.txt\sfile.
-D 2013-10-30T03:25:45.892
+C Enhance\sthe\stimer\sin\sthe\sshell\sto\sshow\swall-clock\stime\sin\saddition\nto\suser\sand\skernel\sCPU\stime.
+D 2013-10-30T12:43:36.721
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 0522b53cdc1fcfc18f3a98e0246add129136c654
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -219,7 +219,7 @@ F src/random.c 0b2dbc37fdfbfa6bd455b091dfcef5bdb32dba68
 F src/resolve.c 572585a96bf282bb9c3d9e08785ec3cae21dc488
 F src/rowset.c 64655f1a627c9c212d9ab497899e7424a34222e0
 F src/select.c 15127b54cc11defb2cddef6914e1f384501a61c4
-F src/shell.c d5eebdc6034014103de2b9d58e1d3f6f7de0fb50
+F src/shell.c 03d8d9b4052430343ff30d646334621f980f1202
 F src/sqlite.h.in 547a44dd4ff4d975e92a645ea2d609e543a83d0f
 F src/sqlite3.rc 11094cc6a157a028b301a9f06b3d03089ea37c3e
 F src/sqlite3ext.h 886f5a34de171002ad46fae8c36a7d8051c190fc
@@ -1126,7 +1126,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
 F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
-P e1a89b56f7173166bb9224e2e360fd67ad3399c3
-R 3e3608c916b0a3a0df2a5a0ccce943bf
+P 8530a18f40c8f938da880306d6d9f762c2e4c6a7
+R 4b1797e4a9134f44635edbdfd6abc433
 U drh
-Z c375e6da0a6d197b05695de149565d85
+Z a2af30a7bb5714b498e5d1b1480f9dde
diff --git a/manifest.uuid b/manifest.uuid
index f249caa1d9..da60cda217 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-8530a18f40c8f938da880306d6d9f762c2e4c6a7
\ No newline at end of file
+908e2c2124baece578e7a665f42b6b483b8f1d64
\ No newline at end of file
diff --git a/src/shell.c b/src/shell.c
index 26c38c59ea..c3aee04633 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -86,21 +86,38 @@ extern int pclose(FILE*);
 #define isatty(x) 1
 #endif
 
-/* True if the timer is enabled */
-static int enableTimer = 0;
-
 /* ctype macros that work with signed characters */
 #define IsSpace(X)  isspace((unsigned char)X)
 #define IsDigit(X)  isdigit((unsigned char)X)
 #define ToLower(X)  (char)tolower((unsigned char)X)
 
+
+/* True if the timer is enabled */
+static int enableTimer = 0;
+
+/* Return the current wall-clock time */
+static sqlite3_int64 timeOfDay(void){
+  static sqlite3_vfs *clockVfs = 0;
+  sqlite3_int64 t;
+  if( clockVfs==0 ) clockVfs = sqlite3_vfs_find(0);
+  if( clockVfs->iVersion>=1 && clockVfs->xCurrentTimeInt64!=0 ){
+    clockVfs->xCurrentTimeInt64(clockVfs, &t);
+  }else{
+    double r;
+    clockVfs->xCurrentTime(clockVfs, &r);
+    t = (sqlite3_int64)(r*86400000.0);
+  }
+  return t;
+}
+
 #if !defined(_WIN32) && !defined(WIN32) && !defined(_WRS_KERNEL) \
  && !defined(__minux)
 #include <sys/time.h>
 #include <sys/resource.h>
 
 /* Saved resource information for the beginning of an operation */
-static struct rusage sBegin;
+static struct rusage sBegin;  /* CPU time at start */
+static sqlite3_int64 iBegin;  /* Wall-clock time at start */
 
 /*
 ** Begin timing an operation
@@ -108,6 +125,7 @@ static struct rusage sBegin;
 static void beginTimer(void){
   if( enableTimer ){
     getrusage(RUSAGE_SELF, &sBegin);
+    iBegin = timeOfDay();
   }
 }
 
@@ -123,8 +141,10 @@ static double timeDiff(struct timeval *pStart, struct timeval *pEnd){
 static void endTimer(void){
   if( enableTimer ){
     struct rusage sEnd;
+    sqlite3_int64 iEnd = timeOfDay();
     getrusage(RUSAGE_SELF, &sEnd);
-    printf("CPU Time: user %f sys %f\n",
+    printf("Run Time: real %.3f user %f sys %f\n",
+       (iEnd - iBegin)*0.001,
        timeDiff(&sBegin.ru_utime, &sEnd.ru_utime),
        timeDiff(&sBegin.ru_stime, &sEnd.ru_stime));
   }
@@ -142,6 +162,7 @@ static void endTimer(void){
 static HANDLE hProcess;
 static FILETIME ftKernelBegin;
 static FILETIME ftUserBegin;
+static sqlite3_int64 ftWallBegin;
 typedef BOOL (WINAPI *GETPROCTIMES)(HANDLE, LPFILETIME, LPFILETIME, LPFILETIME, LPFILETIME);
 static GETPROCTIMES getProcessTimesAddr = NULL;
 
@@ -179,6 +200,7 @@ static void beginTimer(void){
   if( enableTimer && getProcessTimesAddr ){
     FILETIME ftCreation, ftExit;
     getProcessTimesAddr(hProcess, &ftCreation, &ftExit, &ftKernelBegin, &ftUserBegin);
+    ftWallBegin = timeOfDay();
   }
 }
 
@@ -195,8 +217,10 @@ static double timeDiff(FILETIME *pStart, FILETIME *pEnd){
 static void endTimer(void){
   if( enableTimer && getProcessTimesAddr){
     FILETIME ftCreation, ftExit, ftKernelEnd, ftUserEnd;
+    sqlite3_int64 ftWallEnd = timeOfDay();
     getProcessTimesAddr(hProcess, &ftCreation, &ftExit, &ftKernelEnd, &ftUserEnd);
-    printf("CPU Time: user %f sys %f\n",
+    printf("Run Time: real %.3f user %f sys %f\n",
+       (ftWallEnd - ftWallBegin)*0.001,
        timeDiff(&ftUserBegin, &ftUserEnd),
        timeDiff(&ftKernelBegin, &ftKernelEnd));
   }