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Add function prototype for perf_event_open #11

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Add function prototype for perf_event_open #11

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5 changes: 4 additions & 1 deletion timing-harness/rdpmc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -23,13 +23,16 @@
extern "C" {
#endif

int perf_event_open(struct perf_event_attr *attr, pid_t pid,
int cpu, int group_fd, unsigned long flags);

struct rdpmc_ctx {
int fd;
struct perf_event_mmap_page *buf;
};

int rdpmc_open(unsigned counter, struct rdpmc_ctx *ctx);
int rdpmc_open_attr(struct perf_event_attr *attr, struct rdpmc_ctx *ctx,
int rdpmc_open_attr(struct perf_event_attr *attr, struct rdpmc_ctx *ctx,
struct rdpmc_ctx *leader_ctx);
void rdpmc_close(struct rdpmc_ctx *ctx);
unsigned long long rdpmc_read(struct rdpmc_ctx *ctx);
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