mirror of https://github.com/sqlite/sqlite
Add the ".timer" command to the CLI. (CVS 4522)
FossilOrigin-Name: 56680360d3b14a66a077ebb735f4594ed524a4bb
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drh
parent
7b12d46146
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3b1a9881e7
12
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12
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C Fix\sbuilding\sof\ssqlite3_analyzer\son\sMac.\s(CVS\s4521)
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D 2007-11-02T12:52:40
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C Add\sthe\s".timer"\scommand\sto\sthe\sCLI.\s(CVS\s4522)
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D 2007-11-02T12:53:04
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F Makefile.in 30c7e3ba426ddb253b8ef037d1873425da6009a8
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F Makefile.linux-gcc 65241babba6faf1152bf86574477baab19190499
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F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
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@ -130,7 +130,7 @@ F src/printf.c 96c8d55315a13fc53cb3754cb15046f3ff891ea2
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F src/random.c 4a22746501bf36b0a088c66e38dde5daba6a35da
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F src/select.c 4706a6115da1bdc09a2be5991168a6cc2c0df267
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F src/server.c 087b92a39d883e3fa113cae259d64e4c7438bc96
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F src/shell.c 82089379833e361ba8a2ae65316a2173785300c0
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F src/shell.c 0b9dd90afc34f28b8786638155d32f6248d0bf0a
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F src/sqlite.h.in 430a26215c164a2d4236dcbce4730a704b455271
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F src/sqlite3ext.h a93f59cdee3638dc0c9c086f80df743a4e68c3cb
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F src/sqliteInt.h 7fd5cfa357d7aefe22cd2bcdfabcca4e7d5ab5b2
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@ -584,7 +584,7 @@ F www/tclsqlite.tcl 8be95ee6dba05eabcd27a9d91331c803f2ce2130
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F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
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F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
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F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
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P 6340ca5eee3d398a9ef4f37a442efad37c9bf547
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R 0015f0586bb0a17a8ebee567349ffb1c
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P a616b6cb646a35a68bebc7d013c13185a9a6f47d
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R 3c475471a85720fe0d75e54f60c99bbc
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U drh
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Z 8e366ad6caa4aac98afe5c1c8f0199c2
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Z c5d9d02a9879c0e073ce1cae0bcfc7b6
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@ -1 +1 @@
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a616b6cb646a35a68bebc7d013c13185a9a6f47d
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56680360d3b14a66a077ebb735f4594ed524a4bb
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63
src/shell.c
63
src/shell.c
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@ -12,7 +12,7 @@
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** This file contains code to implement the "sqlite" command line
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** utility for accessing SQLite databases.
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**
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** $Id: shell.c,v 1.167 2007/09/07 01:12:32 drh Exp $
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** $Id: shell.c,v 1.168 2007/11/02 12:53:04 drh Exp $
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*/
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#include <stdlib.h>
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#include <string.h>
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@ -61,6 +61,53 @@
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extern int isatty();
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#endif
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#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__)
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#include <sys/time.h>
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#include <sys/resource.h>
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/* Saved resource information for the beginning of an operation */
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static struct rusage sBegin;
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/* True if the timer is enabled */
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static int enableTimer = 0;
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/*
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** Begin timing an operation
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*/
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static void beginTimer(void){
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if( enableTimer ){
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getrusage(RUSAGE_SELF, &sBegin);
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}
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}
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/* Return the difference of two time_structs in microseconds */
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static int timeDiff(struct timeval *pStart, struct timeval *pEnd){
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return (pEnd->tv_usec - pStart->tv_usec) +
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1000000*(pEnd->tv_sec - pStart->tv_sec);
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}
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/*
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** Print the timing results.
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*/
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static void endTimer(void){
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if( enableTimer ){
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struct rusage sEnd;
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getrusage(RUSAGE_SELF, &sEnd);
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printf("CPU Time: user %f sys %f\n",
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0.000001*timeDiff(&sBegin.ru_utime, &sEnd.ru_utime),
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0.000001*timeDiff(&sBegin.ru_stime, &sEnd.ru_stime));
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}
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}
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#define BEGIN_TIMER beginTimer()
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#define END_TIMER endTimer()
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#define HAS_TIMER 1
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#else
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#define BEGIN_TIMER
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#define END_TIMER
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#define HAS_TIMER 0
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#endif
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/*
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** If the following flag is set, then command execution stops
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** at an error if we are not interactive.
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@ -884,6 +931,9 @@ static char zHelp[] =
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".show Show the current values for various settings\n"
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".tables ?PATTERN? List names of tables matching a LIKE pattern\n"
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".timeout MS Try opening locked tables for MS milliseconds\n"
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#if HAS_TIMER
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".timer ON|OFF Turn the CPU timer measurement on or off\n"
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#endif
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".width NUM NUM ... Set column widths for \"column\" mode\n"
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;
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@ -1515,10 +1565,16 @@ static int do_meta_command(char *zLine, struct callback_data *p){
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sqlite3_free_table(azResult);
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}else
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if( c=='t' && n>1 && strncmp(azArg[0], "timeout", n)==0 && nArg>=2 ){
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if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 && nArg>=2 ){
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open_db(p);
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sqlite3_busy_timeout(p->db, atoi(azArg[1]));
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}else
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#if HAS_TIMER
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if( c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0 && nArg>1 ){
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enableTimer = booleanValue(azArg[1]);
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}else
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#endif
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if( c=='w' && strncmp(azArg[0], "width", n)==0 ){
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int j;
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@ -1528,6 +1584,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
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}
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}else
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{
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fprintf(stderr, "unknown command or invalid arguments: "
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" \"%s\". Enter \".help\" for help\n", azArg[0]);
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@ -1660,7 +1717,9 @@ static int process_input(struct callback_data *p, FILE *in){
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&& sqlite3_complete(zSql) ){
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p->cnt = 0;
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open_db(p);
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BEGIN_TIMER;
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rc = sqlite3_exec(p->db, zSql, callback, p, &zErrMsg);
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END_TIMER;
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if( rc || zErrMsg ){
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char zPrefix[100];
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if( in!=0 || !stdin_is_interactive ){
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