| // 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 <magenta/compiler.h> |
| #include <sys/types.h> |
| |
| __BEGIN_CDECLS |
| |
| /* per cpu kernel level statistics */ |
| struct cpu_stats { |
| lk_time_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 page_faults; /* page faults */ |
| ulong exceptions; /* exceptions such as undefined opcode */ |
| ulong syscalls; |
| |
| /* 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) |
