162306a36Sopenharmony_ci#ifndef __PERF_FTRACE_H__ 262306a36Sopenharmony_ci#define __PERF_FTRACE_H__ 362306a36Sopenharmony_ci 462306a36Sopenharmony_ci#include <linux/list.h> 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#include "target.h" 762306a36Sopenharmony_ci 862306a36Sopenharmony_cistruct evlist; 962306a36Sopenharmony_ci 1062306a36Sopenharmony_cistruct perf_ftrace { 1162306a36Sopenharmony_ci struct evlist *evlist; 1262306a36Sopenharmony_ci struct target target; 1362306a36Sopenharmony_ci const char *tracer; 1462306a36Sopenharmony_ci struct list_head filters; 1562306a36Sopenharmony_ci struct list_head notrace; 1662306a36Sopenharmony_ci struct list_head graph_funcs; 1762306a36Sopenharmony_ci struct list_head nograph_funcs; 1862306a36Sopenharmony_ci unsigned long percpu_buffer_size; 1962306a36Sopenharmony_ci bool inherit; 2062306a36Sopenharmony_ci bool use_nsec; 2162306a36Sopenharmony_ci int graph_depth; 2262306a36Sopenharmony_ci int func_stack_trace; 2362306a36Sopenharmony_ci int func_irq_info; 2462306a36Sopenharmony_ci int graph_nosleep_time; 2562306a36Sopenharmony_ci int graph_noirqs; 2662306a36Sopenharmony_ci int graph_verbose; 2762306a36Sopenharmony_ci int graph_thresh; 2862306a36Sopenharmony_ci}; 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistruct filter_entry { 3162306a36Sopenharmony_ci struct list_head list; 3262306a36Sopenharmony_ci char name[]; 3362306a36Sopenharmony_ci}; 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci#define NUM_BUCKET 22 /* 20 + 2 (for outliers in both direction) */ 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci#ifdef HAVE_BPF_SKEL 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ciint perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace); 4062306a36Sopenharmony_ciint perf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace); 4162306a36Sopenharmony_ciint perf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace); 4262306a36Sopenharmony_ciint perf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace, 4362306a36Sopenharmony_ci int buckets[]); 4462306a36Sopenharmony_ciint perf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace); 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ci#else /* !HAVE_BPF_SKEL */ 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_cistatic inline int 4962306a36Sopenharmony_ciperf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace __maybe_unused) 5062306a36Sopenharmony_ci{ 5162306a36Sopenharmony_ci return -1; 5262306a36Sopenharmony_ci} 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_cistatic inline int 5562306a36Sopenharmony_ciperf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace __maybe_unused) 5662306a36Sopenharmony_ci{ 5762306a36Sopenharmony_ci return -1; 5862306a36Sopenharmony_ci} 5962306a36Sopenharmony_ci 6062306a36Sopenharmony_cistatic inline int 6162306a36Sopenharmony_ciperf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace __maybe_unused) 6262306a36Sopenharmony_ci{ 6362306a36Sopenharmony_ci return -1; 6462306a36Sopenharmony_ci} 6562306a36Sopenharmony_ci 6662306a36Sopenharmony_cistatic inline int 6762306a36Sopenharmony_ciperf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace __maybe_unused, 6862306a36Sopenharmony_ci int buckets[] __maybe_unused) 6962306a36Sopenharmony_ci{ 7062306a36Sopenharmony_ci return -1; 7162306a36Sopenharmony_ci} 7262306a36Sopenharmony_ci 7362306a36Sopenharmony_cistatic inline int 7462306a36Sopenharmony_ciperf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace __maybe_unused) 7562306a36Sopenharmony_ci{ 7662306a36Sopenharmony_ci return -1; 7762306a36Sopenharmony_ci} 7862306a36Sopenharmony_ci 7962306a36Sopenharmony_ci#endif /* HAVE_BPF_SKEL */ 8062306a36Sopenharmony_ci 8162306a36Sopenharmony_ci#endif /* __PERF_FTRACE_H__ */ 82