| // Copyright 2017 The Fuchsia Authors |
| // |
| // Use of this source code is governed by a MIT-style |
| // license that can be found in the LICENSE file or at |
| // https://opensource.org/licenses/MIT |
| #pragma once |
| |
| #include <sys/types.h> |
| #include <zircon/compiler.h> |
| #include <zircon/types.h> |
| |
| __BEGIN_CDECLS |
| |
| // per cpu kernel level statistics |
| struct cpu_stats { |
| zx_duration_t idle_time; |
| ulong reschedules; |
| ulong context_switches; |
| ulong irq_preempts; |
| ulong preempts; |
| ulong yields; |
| |
| // cpu level interrupts and exceptions |
| ulong interrupts; // hardware interrupts, minus timer interrupts or inter-processor interrupts |
| ulong timer_ints; // timer interrupts |
| ulong timers; // timer callbacks |
| ulong perf_ints; // performance monitor interrupts |
| ulong syscalls; |
| ulong page_faults; |
| |
| // inter-processor interrupts |
| ulong reschedule_ipis; |
| ulong generic_ipis; |
| }; |
| |
| __END_CDECLS |
| |
| // include after the cpu_stats definition above, since it is part of the percpu structure |
| #include <kernel/percpu.h> |
| |
| #define CPU_STATS_INC(name) \ |
| do { \ |
| __atomic_fetch_add(&get_local_percpu()->stats.name, 1u, __ATOMIC_RELAXED); \ |
| } while (0) |
