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