| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Copyright 2013, Michael Ellerman, IBM Corp. |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef _SELFTESTS_POWERPC_PMU_EVENT_H |
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| 7 | #define _SELFTESTS_POWERPC_PMU_EVENT_H |
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| 8 | |
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| 9 | #include <unistd.h> |
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| 10 | #include <linux/perf_event.h> |
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| 11 | |
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| 12 | #include "utils.h" |
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| 13 | |
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| 14 | |
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| 15 | struct event { |
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| 16 | struct perf_event_attr attr; |
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| 17 | char *name; |
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| 18 | int fd; |
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| 19 | /* This must match the read_format we use */ |
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| 20 | struct { |
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| 21 | u64 value; |
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| 22 | u64 running; |
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| 23 | u64 enabled; |
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| 24 | } result; |
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| 25 | /* |
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| 26 | * mmap buffer used while recording sample. |
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| 27 | * Accessed as "struct perf_event_mmap_page" |
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| 28 | */ |
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| 29 | void *mmap_buffer; |
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| 30 | }; |
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| 31 | |
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| 32 | void event_init(struct event *e, u64 config); |
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| 33 | void event_init_named(struct event *e, u64 config, char *name); |
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| 34 | void event_init_opts(struct event *e, u64 config, int type, char *name); |
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| 35 | void event_init_sampling(struct event *e, u64 config); |
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| 36 | int event_open_with_options(struct event *e, pid_t pid, int cpu, int group_fd); |
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| 37 | int event_open_with_group(struct event *e, int group_fd); |
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| 38 | int event_open_with_pid(struct event *e, pid_t pid); |
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| 39 | int event_open_with_cpu(struct event *e, int cpu); |
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| 40 | int event_open(struct event *e); |
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| 41 | void event_close(struct event *e); |
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| 42 | int event_enable(struct event *e); |
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| 43 | int event_disable(struct event *e); |
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| 44 | int event_reset(struct event *e); |
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| 45 | int event_read(struct event *e); |
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| 46 | void event_report_justified(struct event *e, int name_width, int result_width); |
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| 47 | void event_report(struct event *e); |
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| 48 | |
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| 49 | #endif /* _SELFTESTS_POWERPC_PMU_EVENT_H */ |
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| 50 | |
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