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>
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#pragma once
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enum summary_field {
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SUMMARY_CURRENT,
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SUMMARY_MIN,
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SUMMARY_MAX,
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SUMMARY_COUNT,
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SUMMARY_SUM,
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SUMMARY_OVERFLOW,
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SUMMARY_FIELD_N
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};
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#ifndef __bpf__
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#ifdef HAVE_BPF_SKEL
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int timerlat_bpf_init(struct timerlat_params *params);
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int timerlat_bpf_attach(void);
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void timerlat_bpf_detach(void);
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void timerlat_bpf_destroy(void);
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int timerlat_bpf_wait(int timeout);
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int timerlat_bpf_restart_tracing(void);
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int timerlat_bpf_get_hist_value(int key,
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long long *value_irq,
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long long *value_thread,
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long long *value_user,
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int cpus);
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int timerlat_bpf_get_summary_value(enum summary_field key,
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long long *value_irq,
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long long *value_thread,
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long long *value_user,
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int cpus);
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static inline int have_libbpf_support(void) { return 1; }
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#else
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static inline int timerlat_bpf_init(struct timerlat_params *params)
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{
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return -1;
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}
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static inline int timerlat_bpf_attach(void) { return -1; }
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static inline void timerlat_bpf_detach(void) { };
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static inline void timerlat_bpf_destroy(void) { };
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static inline int timerlat_bpf_wait(int timeout) { return -1; }
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static inline int timerlat_bpf_restart_tracing(void) { return -1; };
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static inline int timerlat_bpf_get_hist_value(int key,
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long long *value_irq,
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long long *value_thread,
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long long *value_user,
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int cpus)
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{
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return -1;
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}
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static inline int timerlat_bpf_get_summary_value(enum summary_field key,
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long long *value_irq,
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long long *value_thread,
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long long *value_user,
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int cpus)
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{
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return -1;
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}
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static inline int have_libbpf_support(void) { return 0; }
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#endif /* HAVE_BPF_SKEL */
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#endif /* __bpf__ */
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