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61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
#ifndef I915_PERF_H
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#define I915_PERF_H
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#include <linux/perf_event.h>
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#define I915_SAMPLE_BUSY 0
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#define I915_SAMPLE_WAIT 1
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#define I915_SAMPLE_SEMA 2
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#define I915_SAMPLE_RCS 0
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#define I915_SAMPLE_VCS 1
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#define I915_SAMPLE_BCS 2
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#define I915_SAMPLE_VECS 3
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#define __I915_PERF_COUNT(ring, id) ((ring) << 4 | (id))
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#define I915_PERF_COUNT_RCS_BUSY __I915_PERF_COUNT(I915_SAMPLE_RCS, I915_SAMPLE_BUSY)
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#define I915_PERF_COUNT_RCS_WAIT __I915_PERF_COUNT(I915_SAMPLE_RCS, I915_SAMPLE_WAIT)
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#define I915_PERF_COUNT_RCS_SEMA __I915_PERF_COUNT(I915_SAMPLE_RCS, I915_SAMPLE_SEMA)
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#define I915_PERF_COUNT_VCS_BUSY __I915_PERF_COUNT(I915_SAMPLE_VCS, I915_SAMPLE_BUSY)
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#define I915_PERF_COUNT_VCS_WAIT __I915_PERF_COUNT(I915_SAMPLE_VCS, I915_SAMPLE_WAIT)
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#define I915_PERF_COUNT_VCS_SEMA __I915_PERF_COUNT(I915_SAMPLE_VCS, I915_SAMPLE_SEMA)
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#define I915_PERF_COUNT_BCS_BUSY __I915_PERF_COUNT(I915_SAMPLE_BCS, I915_SAMPLE_BUSY)
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#define I915_PERF_COUNT_BCS_WAIT __I915_PERF_COUNT(I915_SAMPLE_BCS, I915_SAMPLE_WAIT)
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#define I915_PERF_COUNT_BCS_SEMA __I915_PERF_COUNT(I915_SAMPLE_BCS, I915_SAMPLE_SEMA)
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#define I915_PERF_COUNT_VECS_BUSY __I915_PERF_COUNT(I915_SAMPLE_VECS, I915_SAMPLE_BUSY)
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#define I915_PERF_COUNT_VECS_WAIT __I915_PERF_COUNT(I915_SAMPLE_VECS, I915_SAMPLE_WAIT)
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#define I915_PERF_COUNT_VECS_SEMA __I915_PERF_COUNT(I915_SAMPLE_VECS, I915_SAMPLE_SEMA)
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#define I915_PERF_ACTUAL_FREQUENCY 32
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#define I915_PERF_REQUESTED_FREQUENCY 33
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#define I915_PERF_ENERGY 34
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#define I915_PERF_INTERRUPTS 35
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static inline int
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perf_event_open(struct perf_event_attr *attr,
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pid_t pid,
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int cpu,
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int group_fd,
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unsigned long flags)
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{
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#ifndef __NR_perf_event_open
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#if defined(__i386__)
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#define __NR_perf_event_open 336
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#elif defined(__x86_64__)
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#define __NR_perf_event_open 298
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#else
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#define __NR_perf_event_open 0
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#endif
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#endif
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attr->size = sizeof(*attr);
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return syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags);
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}
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uint64_t i915_type_id(void);
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#endif /* I915_PERF_H */
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