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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_EBPF_HARDIRQ_H
#define NETDATA_EBPF_HARDIRQ_H 1
// Module description
#define NETDATA_EBPF_HARDIRQ_MODULE_DESC "Show time spent servicing individual hardware interrupt requests (hard IRQs)."
#include <stdint.h>
#include "libnetdata/avl/avl.h"
/*****************************************************************
* copied from kernel-collectors repo, with modifications needed
* for inclusion here.
*****************************************************************/
#define NETDATA_HARDIRQ_NAME_LEN 32
#define NETDATA_HARDIRQ_MAX_IRQS 1024L
typedef struct hardirq_ebpf_key {
int irq;
} hardirq_ebpf_key_t;
enum hardirq_ebpf_static {
HARDIRQ_EBPF_STATIC_APIC_THERMAL,
HARDIRQ_EBPF_STATIC_APIC_THRESHOLD,
HARDIRQ_EBPF_STATIC_APIC_ERROR,
HARDIRQ_EBPF_STATIC_APIC_DEFERRED_ERROR,
HARDIRQ_EBPF_STATIC_APIC_SPURIOUS,
HARDIRQ_EBPF_STATIC_FUNC_CALL,
HARDIRQ_EBPF_STATIC_FUNC_CALL_SINGLE,
HARDIRQ_EBPF_STATIC_RESCHEDULE,
HARDIRQ_EBPF_STATIC_LOCAL_TIMER,
HARDIRQ_EBPF_STATIC_IRQ_WORK,
HARDIRQ_EBPF_STATIC_X86_PLATFORM_IPI,
HARDIRQ_EBPF_STATIC_END
};
enum hardirq_maps {
HARDIRQ_MAP_LATENCY,
HARDIRQ_MAP_LATENCY_STATIC
};
typedef struct hardirq_ebpf_static_val {
uint64_t latency;
uint64_t ts;
} hardirq_ebpf_static_val_t;
/*****************************************************************
* below this is eBPF plugin-specific code.
*****************************************************************/
// ARAL Name
#define NETDATA_EBPF_HARDIRQ_ARAL_NAME "ebpf_harddirq"
#define NETDATA_EBPF_MODULE_NAME_HARDIRQ "hardirq"
#define NETDATA_HARDIRQ_CONFIG_FILE "hardirq.conf"
typedef struct hardirq_val {
// must be at top for simplified AVL tree usage.
// if it's not at the top, we need to use `containerof` for almost all ops.
avl_t avl;
int irq;
bool dim_exists; // keep this after `int irq` for alignment byte savings.
uint64_t latency;
char name[NETDATA_HARDIRQ_NAME_LEN];
} hardirq_val_t;
typedef struct hardirq_static_val {
enum hardirq_ebpf_static idx;
char *name;
uint64_t latency;
} hardirq_static_val_t;
#define NETDATA_EBPF_SYSTEM_HARDIRQ_LATENCY_CTX "system.hardirq_latency"
extern struct config hardirq_config;
void *ebpf_hardirq_thread(void *ptr);
#endif /* NETDATA_EBPF_HARDIRQ_H */
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