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67 lines
1.5 KiB
67 lines
1.5 KiB
#ifndef __PERF_MMAP_H |
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#define __PERF_MMAP_H 1 |
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#include <internal/mmap.h> |
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#include <linux/compiler.h> |
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#include <linux/refcount.h> |
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#include <linux/types.h> |
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#include <linux/ring_buffer.h> |
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#include <linux/bitops.h> |
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#include <stdbool.h> |
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#include <pthread.h> // for cpu_set_t |
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#ifdef HAVE_AIO_SUPPORT |
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#include <aio.h> |
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#endif |
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#include "auxtrace.h" |
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#include "event.h" |
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struct aiocb; |
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struct mmap_cpu_mask { |
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unsigned long *bits; |
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size_t nbits; |
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}; |
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#define MMAP_CPU_MASK_BYTES(m) \ |
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(BITS_TO_LONGS(((struct mmap_cpu_mask *)m)->nbits) * sizeof(unsigned long)) |
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/** |
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* struct mmap - perf's ring buffer mmap details |
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* |
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* @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this |
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*/ |
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struct mmap { |
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struct perf_mmap core; |
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struct auxtrace_mmap auxtrace_mmap; |
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#ifdef HAVE_AIO_SUPPORT |
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struct { |
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void **data; |
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struct aiocb *cblocks; |
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struct aiocb **aiocb; |
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int nr_cblocks; |
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} aio; |
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#endif |
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struct mmap_cpu_mask affinity_mask; |
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void *data; |
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int comp_level; |
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}; |
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struct mmap_params { |
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struct perf_mmap_param core; |
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int nr_cblocks, affinity, flush, comp_level; |
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struct auxtrace_mmap_params auxtrace_mp; |
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}; |
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int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, int cpu); |
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void mmap__munmap(struct mmap *map); |
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union perf_event *perf_mmap__read_forward(struct mmap *map); |
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int perf_mmap__push(struct mmap *md, void *to, |
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int push(struct mmap *map, void *to, void *buf, size_t size)); |
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size_t mmap__mmap_len(struct mmap *map); |
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void mmap_cpu_mask__scnprintf(struct mmap_cpu_mask *mask, const char *tag); |
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#endif /*__PERF_MMAP_H */
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