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accel/hvf: Implement AccelClass::get_vcpu_stats() handler

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Co-developed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250715104015.72663-8-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé
2025-07-04 00:25:04 +02:00
parent cf4305ed7a
commit ec5c2e7f38
1 changed files with 25 additions and 0 deletions
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25
accel/hvf/hvf-accel-ops.c
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@@ -58,6 +58,7 @@
#include "system/cpus.h"
#include "system/hvf.h"
#include "system/hvf_int.h"
#include <mach/mach_time.h>
HVFState *hvf_state;
@@ -118,6 +119,12 @@ static void dummy_signal(int sig)
{
}
static void do_hvf_get_vcpu_exec_time(CPUState *cpu, run_on_cpu_data arg)
{
int r = hv_vcpu_get_exec_time(cpu->accel->fd, arg.host_ptr);
assert_hvf_ok(r);
}
static void hvf_vcpu_destroy(CPUState *cpu)
{
hv_return_t ret = hv_vcpu_destroy(cpu->accel->fd);
@@ -347,6 +354,21 @@ static void hvf_remove_all_breakpoints(CPUState *cpu)
}
}
static void hvf_get_vcpu_stats(CPUState *cpu, GString *buf)
{
uint64_t time_mach; /* units of mach_absolute_time() */
run_on_cpu(cpu, do_hvf_get_vcpu_exec_time, RUN_ON_CPU_HOST_PTR(&time_mach));
mach_timebase_info_data_t timebase;
mach_timebase_info(&timebase);
uint64_t time_ns = time_mach * timebase.numer / timebase.denom;
g_string_append_printf(buf, "HVF cumulative execution time: %llu.%.3llus\n",
time_ns / 1000000000,
(time_ns % 1000000000) / 1000000);
}
static void hvf_accel_ops_class_init(ObjectClass *oc, const void *data)
{
AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
@@ -365,7 +387,10 @@ static void hvf_accel_ops_class_init(ObjectClass *oc, const void *data)
ops->remove_all_breakpoints = hvf_remove_all_breakpoints;
ops->update_guest_debug = hvf_update_guest_debug;
ops->supports_guest_debug = hvf_arch_supports_guest_debug;
ops->get_vcpu_stats = hvf_get_vcpu_stats;
};
static const TypeInfo hvf_accel_ops_type = {
.name = ACCEL_OPS_NAME("hvf"),