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#ifndef __PERF_FTRACE_H__
#define __PERF_FTRACE_H__
#include <linux/list.h>
#include "target.h"
struct evlist;
struct perf_ftrace {
struct evlist *evlist;
struct target target;
const char *tracer;
struct list_head filters;
struct list_head notrace;
struct list_head graph_funcs;
struct list_head nograph_funcs;
unsigned long percpu_buffer_size;
bool inherit;
bool use_nsec;
int graph_depth;
int func_stack_trace;
int func_irq_info;
int graph_nosleep_time;
int graph_noirqs;
int graph_verbose;
int graph_thresh;
};
struct filter_entry {
struct list_head list;
char name[];
};
#define NUM_BUCKET 22 /* 20 + 2 (for outliers in both direction) */
#ifdef HAVE_BPF_SKEL
int perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace);
int perf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace);
int perf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace);
int perf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace,
int buckets[]);
int perf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace);
#else /* !HAVE_BPF_SKEL */
static inline int
perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace __maybe_unused)
{
return -1;
}
static inline int
perf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace __maybe_unused)
{
return -1;
}
static inline int
perf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace __maybe_unused)
{
return -1;
}
static inline int
perf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace __maybe_unused,
int buckets[] __maybe_unused)
{
return -1;
}
static inline int
perf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace __maybe_unused)
{
return -1;
}
#endif /* HAVE_BPF_SKEL */
#endif /* __PERF_FTRACE_H__ */
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