diff options
| author | Ian Moffett <ian@osmora.org> | 2024-05-23 15:03:02 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2024-05-23 15:03:02 -0400 |
| commit | ced1752cf7cb45610ccfbecaa3c5fa77aa156f57 (patch) | |
| tree | 9948d41d132c0de90734e7cd8384c0d09e43c0e5 | |
| parent | e3fe51ae40a26284c00fba36b9caaac2670c58a4 (diff) | |
kernel/amd64: mp: Add local timer stat
Signed-off-by: Ian Moffett <ian@osmora.org>
| -rw-r--r-- | sys/arch/amd64/amd64/cpu_mp.c | 35 | ||||
| -rw-r--r-- | sys/arch/amd64/amd64/local_intr.S | 1 |
2 files changed, 36 insertions, 0 deletions
diff --git a/sys/arch/amd64/amd64/cpu_mp.c b/sys/arch/amd64/amd64/cpu_mp.c index 0eb6dba..a289b04 100644 --- a/sys/arch/amd64/amd64/cpu_mp.c +++ b/sys/arch/amd64/amd64/cpu_mp.c @@ -34,6 +34,7 @@ #include <sys/syslog.h> #include <sys/sched.h> #include <sys/cpu.h> +#include <sys/intr.h> #include <vm/dynalloc.h> #include <assert.h> @@ -47,17 +48,48 @@ static volatile struct limine_smp_request g_smp_req = { }; static bool is_mp_supported = false; +static struct intr_info *tmr_irqlist[MAXCPUS]; + +void handle_local_tmr(void); + +/* + * Add local timer IRQ stat + */ +static inline void +tmr_irqstat_add(struct cpu_info *ci) +{ + tmr_irqlist[ci->idx] = intr_info_alloc("LAPIC", "APICTMR"); + tmr_irqlist[ci->idx]->affinity = ci->idx; + intr_register(tmr_irqlist[ci->idx]); +} + +/* + * Update local timer IRQ stats from + * interrupt. + */ +void +handle_local_tmr(void) +{ + struct cpu_info *ci = this_cpu(); + + ++tmr_irqlist[ci->idx]->count; +} static void ap_trampoline(struct limine_smp_info *si) { static struct spinlock lock = {0}; + struct cpu_info *ci; spinlock_acquire(&lock); pre_init(); processor_init(); + ci = this_cpu(); + cpu_attach(ci); + tmr_irqstat_add(ci); + spinlock_release(&lock); sched_enter(); @@ -88,6 +120,9 @@ ap_bootstrap(struct cpu_info *ci) cpus = resp->cpus; cpu_init_counter = resp->cpu_count - 1; + cpu_attach(ci); + tmr_irqstat_add(ci); + if (resp->cpu_count == 1) { KINFO("CPU has 1 core, no APs to bootstrap...\n"); return; diff --git a/sys/arch/amd64/amd64/local_intr.S b/sys/arch/amd64/amd64/local_intr.S index 6d69302..c2d53e9 100644 --- a/sys/arch/amd64/amd64/local_intr.S +++ b/sys/arch/amd64/amd64/local_intr.S @@ -41,6 +41,7 @@ lapic_tmr_isr: push_trapframe $0 mov %rsp, %rdi call sched_context_switch + call handle_local_tmr call lapic_send_eoi pop_trapframe iretq |