1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef UTIL_TRACE_H 3 #define UTIL_TRACE_H 4 5 #include <stdio.h> /* for FILE */ 6 7 enum trace_summary_mode { 8 SUMMARY__NONE = 0, 9 SUMMARY__BY_TOTAL, 10 SUMMARY__BY_THREAD, 11 }; 12 13 #ifdef HAVE_BPF_SKEL 14 15 int trace_prepare_bpf_summary(enum trace_summary_mode mode); 16 void trace_start_bpf_summary(void); 17 void trace_end_bpf_summary(void); 18 int trace_print_bpf_summary(FILE *fp); 19 void trace_cleanup_bpf_summary(void); 20 21 #else /* !HAVE_BPF_SKEL */ 22 23 static inline int trace_prepare_bpf_summary(enum trace_summary_mode mode __maybe_unused) 24 { 25 return -1; 26 } 27 static inline void trace_start_bpf_summary(void) {} 28 static inline void trace_end_bpf_summary(void) {} 29 static inline int trace_print_bpf_summary(FILE *fp __maybe_unused) 30 { 31 return 0; 32 } 33 static inline void trace_cleanup_bpf_summary(void) {} 34 35 #endif /* HAVE_BPF_SKEL */ 36 37 #endif /* UTIL_TRACE_H */ 38