| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef UTIL_TRACE_H |
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| 3 | #define UTIL_TRACE_H |
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| 4 | |
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| 5 | #include <stdio.h> /* for FILE */ |
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| 6 | |
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| 7 | enum trace_summary_mode { |
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| 8 | SUMMARY__NONE = 0, |
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| 9 | SUMMARY__BY_TOTAL, |
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| 10 | SUMMARY__BY_THREAD, |
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| 11 | SUMMARY__BY_CGROUP, |
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| 12 | }; |
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| 13 | |
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| 14 | #ifdef HAVE_BPF_SKEL |
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| 15 | |
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| 16 | int trace_prepare_bpf_summary(enum trace_summary_mode mode); |
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| 17 | void trace_start_bpf_summary(void); |
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| 18 | void trace_end_bpf_summary(void); |
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| 19 | int trace_print_bpf_summary(FILE *fp, int max_summary); |
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| 20 | void trace_cleanup_bpf_summary(void); |
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| 21 | |
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| 22 | #else /* !HAVE_BPF_SKEL */ |
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| 23 | |
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| 24 | static inline int trace_prepare_bpf_summary(enum trace_summary_mode mode __maybe_unused) |
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| 25 | { |
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| 26 | return -1; |
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| 27 | } |
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| 28 | static inline void trace_start_bpf_summary(void) {} |
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| 29 | static inline void trace_end_bpf_summary(void) {} |
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| 30 | static inline int trace_print_bpf_summary(FILE *fp __maybe_unused, int max_summary __maybe_unused) |
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| 31 | { |
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| 32 | return 0; |
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| 33 | } |
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| 34 | static inline void trace_cleanup_bpf_summary(void) {} |
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| 35 | |
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| 36 | #endif /* HAVE_BPF_SKEL */ |
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| 37 | |
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| 38 | #endif /* UTIL_TRACE_H */ |
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| 39 | |
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