From 2926f9694f7f9ed6669183832a224cc1a7c115c2 Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Mon, 17 Feb 2014 01:13:28 +0000
Subject: [PATCH] Fix the VDBE_PROFILE logic.  Add a script to process the
 output file.

FossilOrigin-Name: 7adb3da235c8c162c84f05ef4ccf1cc463805d5f
---
 manifest              | 13 +++----
 manifest.uuid         |  2 +-
 src/vdbeaux.c         | 12 ++++++-
 tool/vdbe_profile.tcl | 82 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 101 insertions(+), 8 deletions(-)
 create mode 100644 tool/vdbe_profile.tcl

diff --git a/manifest b/manifest
index 8aef1ebcfc..567cd67cd1 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Seek\spast\sNULLs\sin\sa\stop-constrained\ssearch.\s\sAvoid\schecking\sfor\sNULLs\sin\nthe\sbody\sof\sthe\ssearch.
-D 2014-02-14T23:49:13.552
+C Fix\sthe\sVDBE_PROFILE\slogic.\s\sAdd\sa\sscript\sto\sprocess\sthe\soutput\sfile.
+D 2014-02-17T01:13:28.650
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 2ef13430cd359f7b361bb863504e227b25cc7f81
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -281,7 +281,7 @@ F src/vdbe.c 543ed4ed0c41b34affad239374d4c07e6e5b2401
 F src/vdbe.h e6c4c610fcabad4fa80ebb1efc6822a9367e2b26
 F src/vdbeInt.h 5286af9067cabdb8ba57b87c0c988a931be6c6c8
 F src/vdbeapi.c 5bc41aaea448a7fc250902c418f1795859be3820
-F src/vdbeaux.c dac6e571262a322b2f889752a8dd36549bdacd2b
+F src/vdbeaux.c 9098973ff22c6fdfd68d061e11c2e64f65eea2d1
 F src/vdbeblob.c 9542e116c1db5ed813977581d506c176e117c0ec
 F src/vdbemem.c 06603e8e9d2f3247b68c6bbe4bd37fb6721b5bda
 F src/vdbesort.c 9d83601f9d6243fe70dd0169a2820c5ddfd48147
@@ -1147,10 +1147,11 @@ F tool/symbols-mingw.sh 4dbcea7e74768305384c9fd2ed2b41bbf9f0414d
 F tool/symbols.sh fec58532668296d7c7dc48be9c87f75ccdb5814f
 F tool/tostr.awk e75472c2f98dd76e06b8c9c1367f4ab07e122d06
 F tool/vdbe-compress.tcl 0cf56e9263a152b84da86e75a5c0cdcdb7a47891
+F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
 F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
-P 3c1ae447dec8fc2af1c5105134061717594ac0e0
-R 20e62eafcdc3ac9a7a16fa36432e6177
+P e07a32f30862acf3b322d4d8deb015846d6f8f5f
+R a089b7b7dc577bc47ffd22f19eb9e985
 U drh
-Z f35a13e794e2689c6821aa3d892fcd6f
+Z f101c06fe6a48199aebfe3f4c9baeea7
diff --git a/manifest.uuid b/manifest.uuid
index ed5e06552e..79ba90c802 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-e07a32f30862acf3b322d4d8deb015846d6f8f5f
\ No newline at end of file
+7adb3da235c8c162c84f05ef4ccf1cc463805d5f
\ No newline at end of file
diff --git a/src/vdbeaux.c b/src/vdbeaux.c
index 95c05f7e5c..f7f1d5c288 100644
--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@@ -1174,7 +1174,7 @@ void sqlite3VdbePrintOp(FILE *pOut, int pc, Op *pOp){
 #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
   displayComment(pOp, zP4, zCom, sizeof(zCom));
 #else
-  zCom[0] = 0
+  zCom[0] = 0;
 #endif
   /* NB:  The sqlite3OpcodeName() function is implemented by code created
   ** by the mkopcodeh.awk and mkopcodec.awk scripts which extract the
@@ -2552,6 +2552,16 @@ int sqlite3VdbeReset(Vdbe *p){
         fprintf(out, "%02x", p->aOp[i].opcode);
       }
       fprintf(out, "\n");
+      if( p->zSql ){
+        char c, pc = 0;
+        fprintf(out, "-- ");
+        for(i=0; (c = p->zSql[i])!=0; i++){
+          if( pc=='\n' ) fprintf(out, "-- ");
+          putc(c, out);
+          pc = c;
+        }
+        if( pc!='\n' ) fprintf(out, "\n");
+      }
       for(i=0; i<p->nOp; i++){
         fprintf(out, "%6d %10lld %8lld ",
            p->aOp[i].cnt,
diff --git a/tool/vdbe_profile.tcl b/tool/vdbe_profile.tcl
new file mode 100644
index 0000000000..fb1f955391
--- /dev/null
+++ b/tool/vdbe_profile.tcl
@@ -0,0 +1,82 @@
+#!/bin/tclsh
+#
+# Run this script in the same directory as the "vdbe_profile.out" file.
+# This script summarizes the results contained in that file.
+#
+if {![file readable vdbe_profile.out]} {
+  error "run this script in the same directory as the vdbe_profile.out file"
+}
+set in [open vdbe_profile.out r]
+set stmt {}
+set allstmt {}
+while {![eof $in]} {
+  set line [gets $in]
+  if {$line==""} continue
+  if {[regexp {^---- } $line]} {
+    set stmt [lindex $line 1]
+    if {[info exists cnt($stmt)]} {
+      incr cnt($stmt)
+      set firsttime 0
+    } else {
+      set cnt($stmt) 1
+      set sql($stmt) {}
+      set firsttime 1
+      lappend allstmt $stmt
+    }
+    continue;
+  }
+  if {[regexp {^-- } $line]} {
+    if {$firsttime} {
+      append sql($stmt) [string range $line 3 end]\n
+    }
+    continue
+  }
+  if {![regexp {^ *\d+ *\d+ *\d+ *\d+ ([A-Z].*)} $line all detail]} continue
+  set c [lindex $line 0]
+  set t [lindex $line 1]
+  set addr [lindex $line 3]
+  set op [lindex $line 4]
+  if {[info exists opcnt($op)]} {
+    incr opcnt($op) $c
+    incr opcycle($op) $t
+  } else {
+    set opcnt($op) $c
+    set opcycle($op) $t
+  }
+  if {[info exists stat($stmt,$addr)]} {
+    foreach {cx tx detail} $stat($stmt,$addr) break
+    incr cx $c
+    incr tx $t
+    set stat($stmt,$addr) [list $cx $tx $detail]
+  } else {
+    set stat($stmt,$addr) [list $c $t $detail]
+  }
+}
+close $in
+
+foreach stmt $allstmt {
+  puts "********************************************************************"
+  puts [string trim $sql($stmt)]
+  puts "Execution count: $cnt($stmt)"
+  for {set i 0} {[info exists stat($stmt,$i)]} {incr i} {
+    foreach {cx tx detail} $stat($stmt,$i) break
+    if {$cx==0} {
+      set ax 0
+    } else {
+      set ax [expr {$tx/$cx}]
+    }
+    puts [format {%8d %12d %12d %4d %s} $cx $tx $ax $i $detail]
+  }
+}
+puts "********************************************************************"
+puts "OPCODES:"
+foreach op [lsort [array names opcnt]] {
+  set cx $opcnt($op)
+  set tx $opcycle($op)
+  if {$cx==0} {
+    set ax 0
+  } else {
+    set ax [expr {$tx/$cx}]
+  }
+  puts [format {%8d %12d %12d %s} $cx $tx $ax $op]
+}