Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_BPF_COUNTER_H
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#define __PERF_BPF_COUNTER_H 1
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struct evsel;
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struct target;
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#ifdef HAVE_BPF_SKEL
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typedef int (*bpf_counter_evsel_op)(struct evsel *evsel);
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typedef int (*bpf_counter_evsel_target_op)(struct evsel *evsel,
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struct target *target);
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typedef int (*bpf_counter_evsel_install_pe_op)(struct evsel *evsel,
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int cpu_map_idx,
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int fd);
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/* Shared ops between bpf_counter, bpf_counter_cgroup, etc. */
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struct bpf_counter_ops {
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bpf_counter_evsel_target_op load;
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bpf_counter_evsel_op enable;
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bpf_counter_evsel_op disable;
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bpf_counter_evsel_op read;
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bpf_counter_evsel_op destroy;
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bpf_counter_evsel_install_pe_op install_pe;
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};
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int bpf_counter__load(struct evsel *evsel, struct target *target);
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int bpf_counter__enable(struct evsel *evsel);
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int bpf_counter__disable(struct evsel *evsel);
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int bpf_counter__read(struct evsel *evsel);
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void bpf_counter__destroy(struct evsel *evsel);
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int bpf_counter__install_pe(struct evsel *evsel, int cpu_map_idx, int fd);
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int bperf_trigger_reading(int prog_fd, int cpu);
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void set_max_rlimit(void);
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#else /* HAVE_BPF_SKEL */
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#include <linux/err.h>
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static inline int bpf_counter__load(struct evsel *evsel __maybe_unused,
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struct target *target __maybe_unused)
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{
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return 0;
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}
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static inline int bpf_counter__enable(struct evsel *evsel __maybe_unused)
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{
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return 0;
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}
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static inline int bpf_counter__disable(struct evsel *evsel __maybe_unused)
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{
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return 0;
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}
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static inline int bpf_counter__read(struct evsel *evsel __maybe_unused)
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{
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return -EAGAIN;
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}
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static inline void bpf_counter__destroy(struct evsel *evsel __maybe_unused)
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{
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}
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static inline int bpf_counter__install_pe(struct evsel *evsel __maybe_unused,
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int cpu __maybe_unused,
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int fd __maybe_unused)
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{
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return 0;
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}
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#endif /* HAVE_BPF_SKEL */
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#endif /* __PERF_BPF_COUNTER_H */
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