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diff -up papi-5.2.0/src/papi_internal.c.postfix papi-5.2.0/src/papi_internal.c
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--- papi-5.2.0/src/papi_internal.c.postfix 2016-07-25 14:25:09.331487358 -0400
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+++ papi-5.2.0/src/papi_internal.c 2016-07-25 14:27:17.271715363 -0400
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@@ -32,6 +32,7 @@
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#include <errno.h>
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#include <string.h>
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#include <ctype.h>
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+#include <assert.h>
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#include "papi.h"
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#include "papi_internal.h"
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@@ -1840,89 +1841,90 @@ handle_derived_add_ps( int *position, lo
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/* this function implement postfix calculation, it reads in a string where I use:
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| as delimiter
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N2 indicate No. 2 native event in the derived preset
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- +, -, *, /, % as operator
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+ +, -, *, / as operator
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# as MHZ(million hz) got from _papi_hwi_system_info.hw_info.cpu_max_mhz*1000000.0
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Haihang (you@cs.utk.edu)
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*/
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-static long long
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-_papi_hwi_postfix_calc( EventInfo_t * evi, long long *hw_counter )
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-{
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- char *point = evi->ops, operand[16];
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- double stack[PAPI_EVENTS_IN_DERIVED_EVENT];
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- int i, top = 0;
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-
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- memset(&stack,0,PAPI_EVENTS_IN_DERIVED_EVENT*sizeof(double));
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-
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- while ( *point != '\0' ) {
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- if ( *point == 'N' ) { /* to get count for each native event */
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- i = 0;
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- point++;
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- do {
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- operand[i] = *point;
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- point++;
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- i++;
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- } while ( *point != '|' );
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- operand[i] = '\0';
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- stack[top] = ( double ) hw_counter[evi->pos[atoi( operand )]];
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- top++;
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- point++;
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- } else if ( *point == '#' ) { /* to get mhz, ignore the rest char's */
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- stack[top] = _papi_hwi_system_info.hw_info.cpu_max_mhz * 1000000.0;
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- top++;
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- do {
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- point++;
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- } while ( *point != '|' );
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- point++;
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- } else if ( isdigit( *point ) ) { /* to get integer, I suppose only integer will be used,
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- no error check here, please only use integer */
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- i = 0;
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- do {
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- operand[i] = *point;
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- point++;
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- i++;
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- } while ( *point != '|' );
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- operand[i] = '\0';
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- stack[top] = atoi( operand );
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- top++;
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- point++;
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- } else if ( *point == '+' ) { /* + calculation */
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- stack[top - 2] += stack[top - 1];
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- top--;
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- do {
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- point++;
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- } while ( *point != '|' );
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- point++;
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- } else if ( *point == '-' ) { /* - calculation */
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- stack[top - 2] -= stack[top - 1];
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- top--;
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- do {
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- point++;
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- } while ( *point != '|' );
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- point++;
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- } else if ( *point == '*' ) { /* * calculation */
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- stack[top - 2] *= stack[top - 1];
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- top--;
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- do {
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- point++;
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- } while ( *point != '|' );
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- point++;
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- } else if ( *point == '/' ) { /* / calculation */
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- stack[top - 2] /= stack[top - 1];
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- top--;
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- do {
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- point++;
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- } while ( *point != '|' );
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- point++;
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- } else { /* do nothing */
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- do {
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- point++;
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- } while ( *point != '|' );
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- point++;
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- }
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- }
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- return ( long long ) stack[0];
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-}
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+ static long long
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+ _papi_hwi_postfix_calc( EventInfo_t * evi, long long *hw_counter )
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+ {
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+ char *point = evi->ops, operand[16];
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+ double stack[PAPI_EVENTS_IN_DERIVED_EVENT];
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+ int i, val, top = 0;
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+
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+ INTDBG("ENTER: evi: %p, evi->ops: %p (%s), evi->pos[0]: %d, evi->pos[1]: %d, hw_counter: %p (%lld %lld)\n",
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+ evi, evi->ops, evi->ops, evi->pos[0], evi->pos[1], hw_counter, hw_counter[0], hw_counter[1]);
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+
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+ memset(&stack,0,PAPI_EVENTS_IN_DERIVED_EVENT*sizeof(double));
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+
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+ while ( *point != '\0' ) {
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+ if ( *point == '|' ) { /* consume '|' characters */
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+ point++;
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+ } else if ( *point == 'N' ) { /* to get count for each native event */
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+ point++;
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+ i = 0;
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+ while ( isdigit(*point) ) {
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+ assert(i<16);
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+ operand[i] = *point;
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+ point++;
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+ i++;
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+ }
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+ assert(0
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+ operand[i] = '\0';
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+ val = atoi( operand );
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+ assert( top < PAPI_EVENTS_IN_DERIVED_EVENT );
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+ assert( 0 <= val && val < PAPI_EVENTS_IN_DERIVED_EVENT );
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+ stack[top] = ( double ) hw_counter[evi->pos[val]];
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+ top++;
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+ } else if ( *point == '#' ) { /* to get mhz */
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+ point++;
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+ assert( top < PAPI_EVENTS_IN_DERIVED_EVENT );
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+ stack[top] = _papi_hwi_system_info.hw_info.cpu_max_mhz * 1000000.0;
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+ top++;
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+ } else if ( isdigit( *point ) ) {
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+ i = 0;
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+ while ( isdigit(*point) ) {
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+ assert(i<16);
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+ operand[i] = *point;
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+ point++;
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+ i++;
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+ }
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+ assert(0
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+ operand[i] = '\0';
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+ assert( top < PAPI_EVENTS_IN_DERIVED_EVENT );
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+ stack[top] = atoi( operand );
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+ top++;
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+ } else if ( *point == '+' ) { /* + calculation */
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+ point++;
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+ assert(top >= 2);
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+ stack[top - 2] += stack[top - 1];
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+ top--;
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+ } else if ( *point == '-' ) { /* - calculation */
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+ point++;
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+ assert(top >= 2);
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+ stack[top - 2] -= stack[top - 1];
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+ top--;
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+ } else if ( *point == '*' ) { /* * calculation */
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+ point++;
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+ assert(top >= 2);
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+ stack[top - 2] *= stack[top - 1];
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+ top--;
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+ } else if ( *point == '/' ) { /* / calculation */
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+ point++;
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+ assert(top >= 2);
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+ /* FIXME should handle runtime divide by zero */
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+ stack[top - 2] /= stack[top - 1];
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+ top--;
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+ } else { /* flag an error parsing the preset */
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+ PAPIERROR( "BUG! Unable to parse \"%s\"", evi->ops );
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+ return ( long long ) stack[0];
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+ }
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+ }
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+ assert(top == 1);
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+ INTDBG("EXIT: stack[0]: %lld\n", (long long)stack[0]);
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+ return ( long long ) stack[0];
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+ }
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static long long
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handle_derived( EventInfo_t * evi, long long *from )
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