-
+#ifdef USE_PAPI /* ugly */
#include "Papi.h"
#include "Rts.h"
#include "RtsUtils.h"
#include "Stats.h"
+#include "RtsFlags.h"
/* These constants specify which events to keep track of.
char * event_name;
};
-#define PAPI_ADD_EVENT(EVENT) { EVENT, #EVENT }
+#define PAPI_ADD_EVENT(EVENT) \
+ { \
+ ASSERT(n_papi_events<MAX_PAPI_EVENTS); \
+ papi_events[n_papi_events].event_code = EVENT; \
+ papi_events[n_papi_events].event_name = #EVENT; \
+ n_papi_events++; \
+ }
/* Beware, these counters are Opteron specific */
#define FR_BR 0x40000040
papi_counter(EVENTSET,EVENT)*100.0/papi_counter(EVENTSET,EVENTTOT))
/* Number of counted events, computed from size of papi_events */
-#define N_PAPI_EVENTS ((int)(sizeof(papi_events)/sizeof(struct _papi_events)))
+#define N_PAPI_EVENTS n_papi_events
/* This is bad, it should be in a header */
#define BIG_STRING_LEN 512
int papi_error;
+/* Arbitrary, to avoid using malloc */
+#define MAX_PAPI_EVENTS 10
+
+int n_papi_events = 0;
/* If you want to add events to count, extend the
* papi_events array and the papi_report function.
/* Events counted during GC and Mutator execution */
/* There's a trailing comma, do all C compilers accept that? */
-static struct _papi_events papi_events[] = {
- PAPI_ADD_EVENT(PAPI_TOT_CYC),
-#if PAPI_COUNT_BRANCHES
- PAPI_ADD_EVENT(FR_BR),
- PAPI_ADD_EVENT(FR_BR_MIS),
- /* Docs are wrong? Opteron does not count indirect branch misses apparently */
- PAPI_ADD_EVENT(FR_BR_MISCOMPARE),
-#endif
-#if PAPI_COUNT_STALLS
- PAPI_ADD_EVENT(FR_DISPATCH_STALLS_BR),
- PAPI_ADD_EVENT(FR_DISPATCH_STALLS_FULL_LS),
-#endif
-#if PAPI_COUNT_DCACHE1_MISSES
- PAPI_ADD_EVENT(PAPI_L1_DCA),
- PAPI_ADD_EVENT(PAPI_L1_DCM),
-#endif
-#if PAPI_COUNT_DCACHE2_MISSES
- PAPI_ADD_EVENT(PAPI_L2_DCA),
- PAPI_ADD_EVENT(PAPI_L2_DCM),
-#endif
+static struct _papi_events papi_events[MAX_PAPI_EVENTS];
+
+static void
+init_countable_events(void)
+{
+ PAPI_ADD_EVENT(PAPI_TOT_CYC);
+ if(RtsFlags.PapiFlags.eventType==PAPI_FLAG_BRANCH) {
+ PAPI_ADD_EVENT(FR_BR);
+ PAPI_ADD_EVENT(FR_BR_MIS);
+ /* Docs are wrong? Opteron does not count indirect branch misses exclusively */
+ PAPI_ADD_EVENT(FR_BR_MISCOMPARE);
+ }
+ if(RtsFlags.PapiFlags.eventType==PAPI_FLAG_STALLS) {
+ PAPI_ADD_EVENT(FR_DISPATCH_STALLS_BR);
+ PAPI_ADD_EVENT(FR_DISPATCH_STALLS_FULL_LS);
+ }
+ if(RtsFlags.PapiFlags.eventType==PAPI_FLAG_CACHE_L1) {
+ PAPI_ADD_EVENT(PAPI_L1_DCA);
+ PAPI_ADD_EVENT(PAPI_L1_DCM);
+ }
+ if(RtsFlags.PapiFlags.eventType==PAPI_FLAG_CACHE_L2) {
+ PAPI_ADD_EVENT(PAPI_L2_DCA);
+ PAPI_ADD_EVENT(PAPI_L2_DCM);
+ }
};
-long_long MutatorCounters[N_PAPI_EVENTS];
-long_long GCCounters[N_PAPI_EVENTS];
+long_long MutatorCounters[MAX_PAPI_EVENTS];
+long_long GCCounters[MAX_PAPI_EVENTS];
/* Extract the value corresponding to an event */
/* I need to improve formatting aesthetics */
PAPI_REPORT(PapiCounters,PAPI_TOT_CYC);
-#if PAPI_COUNT_BRANCHES
+ if(RtsFlags.PapiFlags.eventType==PAPI_FLAG_BRANCH) {
PAPI_REPORT(PapiCounters,FR_BR);
PAPI_REPORT(PapiCounters,FR_BR_MIS);
PAPI_REPORT_PCT(PapiCounters,FR_BR_MIS,FR_BR);
PAPI_REPORT_PCT(PapiCounters,FR_BR_MISCOMPARE,FR_BR);
-#endif
-#if PAPI_COUNT_STALLS
+ }
+
+ if(RtsFlags.PapiFlags.eventType==PAPI_FLAG_STALLS) {
PAPI_REPORT(PapiCounters,FR_DISPATCH_STALLS_BR);
PAPI_REPORT_PCT(PapiCounters,FR_DISPATCH_STALLS_BR,PAPI_TOT_CYC);
PAPI_REPORT(PapiCounters,FR_DISPATCH_STALLS_FULL_LS);
PAPI_REPORT_PCT(PapiCounters,FR_DISPATCH_STALLS_FULL_LS,PAPI_TOT_CYC);
-#endif
-#if PAPI_COUNT_DCACHE1_MISSES
+ }
+
+ if(RtsFlags.PapiFlags.eventType==PAPI_FLAG_CACHE_L1) {
PAPI_REPORT(PapiCounters,PAPI_L1_DCA);
PAPI_REPORT(PapiCounters,PAPI_L1_DCM);
PAPI_REPORT_PCT(PapiCounters,PAPI_L1_DCM,PAPI_L1_DCA);
-#endif
-#if PAPI_COUNT_DCACHE2_MISSES
+ }
+
+ if(RtsFlags.PapiFlags.eventType==PAPI_FLAG_CACHE_L2) {
PAPI_REPORT(PapiCounters,PAPI_L2_DCA);
PAPI_REPORT(PapiCounters,PAPI_L2_DCM);
PAPI_REPORT_PCT(PapiCounters,PAPI_L2_DCM,PAPI_L2_DCA);
-#endif
+ }
+
}
/* Add the events of papi_events into an event set */
papi_init_eventsets(void)
{
+ init_countable_events();
+
/* One event set for the mutator and another for the GC */
PAPI_CHECK( PAPI_create_eventset(&MutatorEvents));
PAPI_CHECK( PAPI_create_eventset(&GCEvents));
PAPI_CHECK( PAPI_accum(GCEvents,GCCounters));
PAPI_CHECK( PAPI_stop(GCEvents,NULL));
}
+
+
+#endif /* USE_PAPI */