From: Richard Levitte <levitte@openssl.org>
Date: Fri, 30 Jun 2000 17:16:46 +0000 (+0000)
Subject: Give the user the option to measure real time instead of user CPU time.
X-Git-Tag: OpenSSL-engine-0_9_6-beta1~21^2~15
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=4e74239ccac9eb74a9a9e5ede93ea7bc9c4d6622

Give the user the option to measure real time instead of user CPU time.
---

diff --git a/apps/speed.c b/apps/speed.c
index 163d5237c2..7166606da7 100644
--- a/apps/speed.c
+++ b/apps/speed.c
@@ -102,9 +102,7 @@
 #undef TIMES
 #endif
 
-#ifndef TIMES
 #include <sys/timeb.h>
-#endif
 
 #if defined(sun) || defined(__ultrix)
 #define _POSIX_SOURCE
@@ -178,7 +176,7 @@
 #define BUFSIZE	((long)1024*8+1)
 int run=0;
 
-static double Time_F(int s);
+static double Time_F(int s, int usertime);
 static void print_message(char *s,long num,int length);
 static void pkey_print_message(char *str,char *str2,long num,int bits,int sec);
 #ifdef SIGALRM
@@ -202,40 +200,45 @@ static SIGRETTYPE sig_done(int sig)
 #define START	0
 #define STOP	1
 
-static double Time_F(int s)
+static double Time_F(int s, int usertime)
 	{
 	double ret;
 #ifdef TIMES
-	static struct tms tstart,tend;
-
-	if (s == START)
-		{
-		times(&tstart);
-		return(0);
-		}
-	else
+	if (usertime)
 		{
-		times(&tend);
-		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
-		return((ret < 1e-3)?1e-3:ret);
-		}
-#else /* !times() */
-	static struct timeb tstart,tend;
-	long i;
+		static struct tms tstart,tend;
 
-	if (s == START)
-		{
-		ftime(&tstart);
-		return(0);
+		if (s == START)
+			{
+			times(&tstart);
+			return(0);
+			}
+		else
+			{
+			times(&tend);
+			ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
+			return((ret < 1e-3)?1e-3:ret);
+			}
 		}
 	else
+#endif /* times() */
 		{
-		ftime(&tend);
-		i=(long)tend.millitm-(long)tstart.millitm;
-		ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
-		return((ret < 0.001)?0.001:ret);
+		static struct timeb tstart,tend;
+		long i;
+
+		if (s == START)
+			{
+			ftime(&tstart);
+			return(0);
+			}
+		else
+			{
+			ftime(&tend);
+			i=(long)tend.millitm-(long)tstart.millitm;
+			ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
+			return((ret < 0.001)?0.001:ret);
+			}
 		}
-#endif
 	}
 
 int MAIN(int, char **);
@@ -345,6 +348,11 @@ int MAIN(int argc, char **argv)
 	int dsa_doit[DSA_NUM];
 	int doit[ALGOR_NUM];
 	int pr_header=0;
+	int usertime=1;
+
+#ifndef TIMES
+	usertime=-1;
+#endif
 
 	apps_startup();
 	memset(results, 0, sizeof(results));
@@ -391,6 +399,8 @@ int MAIN(int argc, char **argv)
 	argv++;
 	while (argc)
 		{
+		if	((argc > 0) && (strcmp(*argv,"-elapsed") == 0))
+			usertime = 0;
 #ifndef NO_MD2
 		if	(strcmp(*argv,"md2") == 0) doit[D_MD2]=1;
 		else
@@ -510,7 +520,7 @@ int MAIN(int argc, char **argv)
 		else
 #endif
 			{
-			BIO_printf(bio_err,"bad value, pick one of\n");
+			BIO_printf(bio_err,"bad option or value, pick one of\n");
 			BIO_printf(bio_err,"md2      mdc2	md5      hmac      sha1    rmd160\n");
 #ifndef NO_IDEA
 			BIO_printf(bio_err,"idea-cbc ");
@@ -538,6 +548,10 @@ int MAIN(int argc, char **argv)
 			BIO_printf(bio_err,"\ndsa512   dsa1024  dsa2048\n");
 #endif
 			BIO_printf(bio_err,"idea     rc2      des      rsa    blowfish\n");
+			BIO_printf(bio_err,"\n");
+			BIO_printf(bio_err,"Available options:\n");
+			BIO_printf(bio_err,"\n");
+			BIO_printf(bio_err,"-elapsed        measure time in real time instead of CPU user time.\n");
 			goto end;
 			}
 		argc--;
@@ -557,10 +571,13 @@ int MAIN(int argc, char **argv)
 	for (i=0; i<ALGOR_NUM; i++)
 		if (doit[i]) pr_header++;
 
-#ifndef TIMES
-	BIO_printf(bio_err,"To get the most accurate results, try to run this\n");
-	BIO_printf(bio_err,"program when this computer is idle.\n");
-#endif
+	if (usertime == 0)
+		BIO_printf(bio_err,"You have chosen to measure elapsed time instead of user CPU time.\n");
+	if (usertime <= 0)
+		{
+		BIO_printf(bio_err,"To get the most accurate results, try to run this\n");
+		BIO_printf(bio_err,"program when this computer is idle.\n");
+		}
 
 #ifndef NO_RSA
 	for (i=0; i<RSA_NUM; i++)
@@ -624,11 +641,11 @@ int MAIN(int argc, char **argv)
 	do	{
 		long i;
 		count*=2;
-		Time_F(START);
+		Time_F(START,usertime);
 		for (i=count; i; i--)
 			des_ecb_encrypt(buf_as_des_cblock,buf_as_des_cblock,
 				&(sch[0]),DES_ENCRYPT);
-		d=Time_F(STOP);
+		d=Time_F(STOP,usertime);
 		} while (d <3);
 	c[D_MD2][0]=count/10;
 	c[D_MDC2][0]=count/10;
@@ -725,10 +742,10 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_MD2],c[D_MD2][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_MD2][j]); count++)
 				MD2(buf,(unsigned long)lengths[j],&(md2[0]));
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_MD2],d);
 			results[D_MD2][j]=((double)count)/d*lengths[j];
@@ -741,10 +758,10 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_MDC2],c[D_MDC2][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_MDC2][j]); count++)
 				MDC2(buf,(unsigned long)lengths[j],&(mdc2[0]));
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_MDC2],d);
 			results[D_MDC2][j]=((double)count)/d*lengths[j];
@@ -758,10 +775,10 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_MD5],c[D_MD5][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_MD5][j]); count++)
 				MD5(&(buf[0]),(unsigned long)lengths[j],&(md5[0]));
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_MD5],d);
 			results[D_MD5][j]=((double)count)/d*lengths[j];
@@ -779,14 +796,14 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_HMAC],c[D_HMAC][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_HMAC][j]); count++)
 				{
 				HMAC_Init(&hctx,NULL,0,NULL);
                                 HMAC_Update(&hctx,buf,lengths[j]);
                                 HMAC_Final(&hctx,&(hmac[0]),NULL);
 				}
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_HMAC],d);
 			results[D_HMAC][j]=((double)count)/d*lengths[j];
@@ -799,10 +816,10 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_SHA1],c[D_SHA1][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_SHA1][j]); count++)
 				SHA1(buf,(unsigned long)lengths[j],&(sha[0]));
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_SHA1],d);
 			results[D_SHA1][j]=((double)count)/d*lengths[j];
@@ -815,10 +832,10 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_RMD160],c[D_RMD160][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_RMD160][j]); count++)
 				RIPEMD160(buf,(unsigned long)lengths[j],&(rmd160[0]));
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_RMD160],d);
 			results[D_RMD160][j]=((double)count)/d*lengths[j];
@@ -831,11 +848,11 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_RC4],c[D_RC4][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_RC4][j]); count++)
 				RC4(&rc4_ks,(unsigned int)lengths[j],
 					buf,buf);
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_RC4],d);
 			results[D_RC4][j]=((double)count)/d*lengths[j];
@@ -848,11 +865,11 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_CBC_DES],c[D_CBC_DES][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_CBC_DES][j]); count++)
 				des_ncbc_encrypt(buf,buf,lengths[j],sch,
 						 &iv,DES_ENCRYPT);
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_CBC_DES],d);
 			results[D_CBC_DES][j]=((double)count)/d*lengths[j];
@@ -864,12 +881,12 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_EDE3_DES],c[D_EDE3_DES][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_EDE3_DES][j]); count++)
 				des_ede3_cbc_encrypt(buf,buf,lengths[j],
 						     sch,sch2,sch3,
 						     &iv,DES_ENCRYPT);
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_EDE3_DES],d);
 			results[D_EDE3_DES][j]=((double)count)/d*lengths[j];
@@ -882,12 +899,12 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_CBC_IDEA],c[D_CBC_IDEA][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_CBC_IDEA][j]); count++)
 				idea_cbc_encrypt(buf,buf,
 					(unsigned long)lengths[j],&idea_ks,
 					iv,IDEA_ENCRYPT);
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_CBC_IDEA],d);
 			results[D_CBC_IDEA][j]=((double)count)/d*lengths[j];
@@ -900,12 +917,12 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_CBC_RC2],c[D_CBC_RC2][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_CBC_RC2][j]); count++)
 				RC2_cbc_encrypt(buf,buf,
 					(unsigned long)lengths[j],&rc2_ks,
 					iv,RC2_ENCRYPT);
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_CBC_RC2],d);
 			results[D_CBC_RC2][j]=((double)count)/d*lengths[j];
@@ -918,12 +935,12 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_CBC_RC5],c[D_CBC_RC5][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_CBC_RC5][j]); count++)
 				RC5_32_cbc_encrypt(buf,buf,
 					(unsigned long)lengths[j],&rc5_ks,
 					iv,RC5_ENCRYPT);
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_CBC_RC5],d);
 			results[D_CBC_RC5][j]=((double)count)/d*lengths[j];
@@ -936,12 +953,12 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_CBC_BF],c[D_CBC_BF][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_CBC_BF][j]); count++)
 				BF_cbc_encrypt(buf,buf,
 					(unsigned long)lengths[j],&bf_ks,
 					iv,BF_ENCRYPT);
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_CBC_BF],d);
 			results[D_CBC_BF][j]=((double)count)/d*lengths[j];
@@ -954,12 +971,12 @@ int MAIN(int argc, char **argv)
 		for (j=0; j<SIZE_NUM; j++)
 			{
 			print_message(names[D_CBC_CAST],c[D_CBC_CAST][j],lengths[j]);
-			Time_F(START);
+			Time_F(START,usertime);
 			for (count=0,run=1; COND(c[D_CBC_CAST][j]); count++)
 				CAST_cbc_encrypt(buf,buf,
 					(unsigned long)lengths[j],&cast_ks,
 					iv,CAST_ENCRYPT);
-			d=Time_F(STOP);
+			d=Time_F(STOP,usertime);
 			BIO_printf(bio_err,"%ld %s's in %.2fs\n",
 				count,names[D_CBC_CAST],d);
 			results[D_CBC_CAST][j]=((double)count)/d*lengths[j];
@@ -977,7 +994,7 @@ int MAIN(int argc, char **argv)
 		pkey_print_message("private","rsa",rsa_c[j][0],rsa_bits[j],
 			RSA_SECONDS);
 /*		RSA_blinding_on(rsa_key[j],NULL); */
-		Time_F(START);
+		Time_F(START,usertime);
 		for (count=0,run=1; COND(rsa_c[j][0]); count++)
 			{
 			ret=RSA_sign(NID_md5_sha1, buf,36, buf2, &rsa_num,
@@ -990,7 +1007,7 @@ int MAIN(int argc, char **argv)
 				break;
 				}
 			}
-		d=Time_F(STOP);
+		d=Time_F(STOP,usertime);
 		BIO_printf(bio_err,"%ld %d bit private RSA's in %.2fs\n",
 			count,rsa_bits[j],d);
 		rsa_results[j][0]=d/(double)count;
@@ -1000,7 +1017,7 @@ int MAIN(int argc, char **argv)
 		ret=RSA_verify(NID_md5_sha1, buf,36, buf2, rsa_num, rsa_key[j]);
 		pkey_print_message("public","rsa",rsa_c[j][1],rsa_bits[j],
 			RSA_SECONDS);
-		Time_F(START);
+		Time_F(START,usertime);
 		for (count=0,run=1; COND(rsa_c[j][1]); count++)
 			{
 			ret=RSA_verify(NID_md5_sha1, buf,36, buf2, rsa_num,
@@ -1013,7 +1030,7 @@ int MAIN(int argc, char **argv)
 				break;
 				}
 			}
-		d=Time_F(STOP);
+		d=Time_F(STOP,usertime);
 		BIO_printf(bio_err,"%ld %d bit public RSA's in %.2fs\n",
 			count,rsa_bits[j],d);
 		rsa_results[j][1]=d/(double)count;
@@ -1046,7 +1063,7 @@ int MAIN(int argc, char **argv)
 			&kk,dsa_key[j]);
 		pkey_print_message("sign","dsa",dsa_c[j][0],dsa_bits[j],
 			DSA_SECONDS);
-		Time_F(START);
+		Time_F(START,usertime);
 		for (count=0,run=1; COND(dsa_c[j][0]); count++)
 			{
 			rsa_num=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,
@@ -1059,7 +1076,7 @@ int MAIN(int argc, char **argv)
 				break;
 				}
 			}
-		d=Time_F(STOP);
+		d=Time_F(STOP,usertime);
 		BIO_printf(bio_err,"%ld %d bit DSA signs in %.2fs\n",
 			count,dsa_bits[j],d);
 		dsa_results[j][0]=d/(double)count;
@@ -1069,7 +1086,7 @@ int MAIN(int argc, char **argv)
 			kk,dsa_key[j]);
 		pkey_print_message("verify","dsa",dsa_c[j][1],dsa_bits[j],
 			DSA_SECONDS);
-		Time_F(START);
+		Time_F(START,usertime);
 		for (count=0,run=1; COND(dsa_c[j][1]); count++)
 			{
 			rsa_num2=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,
@@ -1082,7 +1099,7 @@ int MAIN(int argc, char **argv)
 				break;
 				}
 			}
-		d=Time_F(STOP);
+		d=Time_F(STOP,usertime);
 		BIO_printf(bio_err,"%ld %d bit DSA verify in %.2fs\n",
 			count,dsa_bits[j],d);
 		dsa_results[j][1]=d/(double)count;