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Large change with KNL preparation

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paboyle
2016-06-03 03:24:26 -07:00
parent 1c0e922585
commit 139cc5f1ae
26 changed files with 1810 additions and 1705 deletions
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88
lib/PerfCount.h
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@ -58,6 +58,28 @@ static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid,
}
#endif
#ifdef TIMERS_OFF
#warning PerfCount: Disabling cycle timers
inline uint64_t cyclecount(void){
return 0;
}
#define __SSC_MARK(mark) __asm__ __volatile__ ("movl %0, %%ebx; .byte 0x64, 0x67, 0x90 " ::"i"(mark):"%ebx")
#define __SSC_STOP __SSC_MARK(0x110)
#define __SSC_START __SSC_MARK(0x111)
#else
#define __SSC_MARK(mark)
#define __SSC_STOP
#define __SSC_START
/*
* cycle counters arch dependent
*/
#ifdef __bgq__
inline uint64_t cyclecount(void){
uint64_t tmp;
@ -65,18 +87,21 @@ inline uint64_t cyclecount(void){
return tmp;
}
#elif defined __x86_64__
#include <immintrin.h>
#ifndef __INTEL_COMPILER
#include <x86intrin.h>
#endif
inline uint64_t cyclecount(void){
return __rdtsc();
inline uint64_t cyclecount(void){
return __rdtsc();
// unsigned int dummy;
// return __rdtscp(&dummy);
}
#else
#warning No cycle counter implemented for this architecture
inline uint64_t cyclecount(void){
return 0;
}
#endif
#endif
class PerformanceCounter {
@ -87,6 +112,7 @@ private:
uint32_t type;
uint64_t config;
const char *name;
int normalisation;
} PerformanceCounterConfig;
static const PerformanceCounterConfig PerformanceCounterConfigs [];
@ -94,26 +120,12 @@ private:
public:
enum PerformanceCounterType {
CPUCYCLES=0,
INSTRUCTIONS,
// STALL_CYCLES,
CACHE_REFERENCES,
CACHE_MISSES,
L1D_READ_MISS,
L1D_READ_ACCESS,
L1D_WRITE_MISS,
L1D_WRITE_ACCESS,
L1D_PREFETCH_MISS,
L1D_PREFETCH_ACCESS,
LL_READ_MISS,
// LL_READ_ACCESS,
LL_WRITE_MISS,
LL_WRITE_ACCESS,
LL_PREFETCH_MISS,
LL_PREFETCH_ACCESS,
L1I_READ_MISS,
L1I_READ_ACCESS,
PERFORMANCE_COUNTER_NUM_TYPES
CACHE_REFERENCES=0,
CACHE_MISSES=1,
CPUCYCLES=2,
INSTRUCTIONS=3,
L1D_READ_ACCESS=4,
PERFORMANCE_COUNTER_NUM_TYPES=19
};
public:
@ -121,7 +133,9 @@ public:
int PCT;
long long count;
long long cycles;
int fd;
int cyclefd;
unsigned long long elapsed;
uint64_t begin;
@ -134,7 +148,9 @@ public:
assert(_pct>=0);
assert(_pct<PERFORMANCE_COUNTER_NUM_TYPES);
fd=-1;
cyclefd=-1;
count=0;
cycles=0;
PCT =_pct;
Open();
#endif
@ -159,6 +175,15 @@ public:
fprintf(stderr, "Error opening leader %llx for event %s\n", pe.config,name);
perror("Error is");
}
int norm = PerformanceCounterConfigs[PCT].normalisation;
pe.type = PerformanceCounterConfigs[norm].type;
pe.config= PerformanceCounterConfigs[norm].config;
name = PerformanceCounterConfigs[norm].name;
cyclefd = perf_event_open(&pe, 0, -1, -1, 0); // pid 0, cpu -1 current process any cpu. group -1
if (cyclefd == -1) {
fprintf(stderr, "Error opening leader %llx for event %s\n", pe.config,name);
perror("Error is");
}
#endif
}
@ -168,6 +193,8 @@ public:
if ( fd!= -1) {
::ioctl(fd, PERF_EVENT_IOC_RESET, 0);
::ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);
::ioctl(cyclefd, PERF_EVENT_IOC_RESET, 0);
::ioctl(cyclefd, PERF_EVENT_IOC_ENABLE, 0);
}
begin =cyclecount();
#else
@ -177,10 +204,13 @@ public:
void Stop(void) {
count=0;
cycles=0;
#ifdef __linux__
if ( fd!= -1) {
::ioctl(fd, PERF_EVENT_IOC_DISABLE, 0);
::ioctl(cyclefd, PERF_EVENT_IOC_DISABLE, 0);
::read(fd, &count, sizeof(long long));
::read(cyclefd, &cycles, sizeof(long long));
}
elapsed = cyclecount() - begin;
#else
@ -190,7 +220,11 @@ public:
}
void Report(void) {
#ifdef __linux__
std::printf("%llu cycles %s = %20llu\n", elapsed , PerformanceCounterConfigs[PCT].name, count);
int N = PerformanceCounterConfigs[PCT].normalisation;
const char * sn = PerformanceCounterConfigs[N].name ;
const char * sc = PerformanceCounterConfigs[PCT].name;
std::printf("tsc = %llu %s = %llu %s = %20llu\n (%s/%s) rate = %lf\n", elapsed,sn ,cycles,
sc, count, sc,sn, (double)count/(double)cycles);
#else
std::printf("%llu cycles \n", elapsed );
#endif
@ -199,7 +233,7 @@ public:
~PerformanceCounter()
{
#ifdef __linux__
::close(fd);
::close(fd); ::close(cyclefd);
#endif
}