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 SUMMARY__BY_CGROUP, 12 }; 13 14 #ifdef HAVE_BPF_SKEL 15 16 int trace_prepare_bpf_summary(enum trace_summary_mode mode); 17 void trace_start_bpf_summary(void); 18 void trace_end_bpf_summary(void); 19 int trace_print_bpf_summary(FILE *fp); 20 void trace_cleanup_bpf_summary(void); 21 22 #else /* !HAVE_BPF_SKEL */ 23 trace_prepare_bpf_summary(enum trace_summary_mode mode __maybe_unused)24static inline int trace_prepare_bpf_summary(enum trace_summary_mode mode __maybe_unused) 25 { 26 return -1; 27 } trace_start_bpf_summary(void)28static inline void trace_start_bpf_summary(void) {} trace_end_bpf_summary(void)29static inline void trace_end_bpf_summary(void) {} trace_print_bpf_summary(FILE * fp __maybe_unused)30static inline int trace_print_bpf_summary(FILE *fp __maybe_unused) 31 { 32 return 0; 33 } trace_cleanup_bpf_summary(void)34static inline void trace_cleanup_bpf_summary(void) {} 35 36 #endif /* HAVE_BPF_SKEL */ 37 38 #endif /* UTIL_TRACE_H */ 39