101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
#ifndef __PERFTOOL_H__
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#define __PERFTOOL_H__
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#include <sys/ioctl.h>
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#include <linux/perf_event.h>
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#include <asm/unistd.h>
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#include <unistd.h>
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extern long perf_event_open(struct perf_event_attr *hw_event, pid_t pid,
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int cpu, int group_fd, unsigned long flags);
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extern long perf_instructions();
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extern long perf_count_hw_cache_l1d_read_miss();
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extern long perf_count_hw_cache_dtlb_read_miss();
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extern long pe_opener(long group_fd, int mode, int type, unsigned long config);
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extern long long hw_cache_build(long long id, long long op_id, long long op_result_id);
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extern void memory_task();
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extern void calc_task();
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#define PERF_CNTR_NUM 4
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#define PERF_BEGIN(fd) \
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if (fd > 0) ioctl(fd, PERF_EVENT_IOC_RESET, 0); \
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if (fd > 0) ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);
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#define PERF_END(fd) \
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if (fd > 0) ioctl(fd, PERF_EVENT_IOC_DISABLE, 0);
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#define PERF_READ(fd, count) \
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if (fd > 0) read(fd, &count, sizeof(long long)); else count = -1;
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char* hw_event_names[] = {
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"CPU_CYCLES ",
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"INSTRUCTIONS ",
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"CACHE_REFERENCES ",
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"CACHE_MISSES ",
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"BRANCH_INSTRUCTIONS ",
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"BRANCH_MISSES ",
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"BUS_CYCLES ",
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"STALLED_CYCLES_FRONTEND",
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"STALLED_CYCLES_BACKEND ",
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"REF_CPU_CYCLES ",
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};
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char* id_names[] = {
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"L1D ",
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"L1I ",
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"LL ",
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"DTLB",
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"ITLB",
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"BPU ",
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"NODE",
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};
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char* op_id_names[] = {
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"OP_READ ",
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"OP_WRITE ",
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"OP_PREFETCH",
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};
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char* result_names[] = {
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"ACCESS",
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"MISS ",
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};
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long long ids[] = {
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PERF_COUNT_HW_CACHE_L1D,
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PERF_COUNT_HW_CACHE_L1I,
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PERF_COUNT_HW_CACHE_LL,
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PERF_COUNT_HW_CACHE_DTLB,
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PERF_COUNT_HW_CACHE_ITLB,
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PERF_COUNT_HW_CACHE_BPU,
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PERF_COUNT_HW_CACHE_NODE,
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};
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long long op_ids[] = {
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PERF_COUNT_HW_CACHE_OP_READ,
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PERF_COUNT_HW_CACHE_OP_WRITE,
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PERF_COUNT_HW_CACHE_OP_PREFETCH,
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};
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long long result_ids[] = {
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PERF_COUNT_HW_CACHE_RESULT_ACCESS,
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PERF_COUNT_HW_CACHE_RESULT_MISS,
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};
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int hw_configs[] = {
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PERF_COUNT_HW_CPU_CYCLES,
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PERF_COUNT_HW_INSTRUCTIONS,
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PERF_COUNT_HW_CACHE_REFERENCES,
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PERF_COUNT_HW_CACHE_MISSES,
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PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
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PERF_COUNT_HW_BRANCH_MISSES,
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PERF_COUNT_HW_BUS_CYCLES,
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PERF_COUNT_HW_STALLED_CYCLES_FRONTEND,
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PERF_COUNT_HW_STALLED_CYCLES_BACKEND,
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PERF_COUNT_HW_REF_CPU_CYCLES,
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};
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#endif
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