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Tue, 15 Jul 2025 03:40:55 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Markus Armbruster , Pierrick Bouvier , =?UTF-8?q?Alex=20Benn=C3=A9e?= , "Dr. David Alan Gilbert" , Richard Henderson , Manos Pitsidianakis , Eric Blake , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Cameron Esfahani , Mads Ynddal , Phil Dennis-Jordan , Paolo Bonzini , Roman Bolshakov Subject: [PATCH-for-10.1 v5 7/7] accel/hvf: Implement get_vcpu_stats() Date: Tue, 15 Jul 2025 12:40:15 +0200 Message-ID: <20250715104015.72663-8-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250715104015.72663-1-philmd@linaro.org> References: <20250715104015.72663-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=philmd@linaro.org; helo=mail-wr1-x42a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1752576117840116600 Co-developed-by: Mads Ynddal Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- Mads, I welcome your Signed-off-by tag on top :) --- accel/hvf/hvf-accel-ops.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/accel/hvf/hvf-accel-ops.c b/accel/hvf/hvf-accel-ops.c index 214454bd0b4..94a5bffb44e 100644 --- a/accel/hvf/hvf-accel-ops.c +++ b/accel/hvf/hvf-accel-ops.c @@ -58,6 +58,7 @@ #include "system/cpus.h" #include "system/hvf.h" #include "system/hvf_int.h" +#include =20 HVFState *hvf_state; =20 @@ -118,6 +119,12 @@ static void dummy_signal(int sig) { } =20 +static void do_hvf_get_vcpu_exec_time(CPUState *cpu, run_on_cpu_data arg) +{ + int r =3D 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 =3D hv_vcpu_destroy(cpu->accel->fd); @@ -347,6 +354,20 @@ static void hvf_remove_all_breakpoints(CPUState *cpu) } } =20 +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_m= ach)); + + mach_timebase_info_data_t timebase; + mach_timebase_info(&timebase); + uint64_t time_ns =3D time_mach * timebase.numer / timebase.denom; + + g_string_append_printf(buf, "HVF cumulative execution time: %llu.%.3ll= us\n", + time_ns / 1000000000, (time_ns % 100000000= 0) / 1000000); +} + static void hvf_accel_ops_class_init(ObjectClass *oc, const void *data) { AccelOpsClass *ops =3D ACCEL_OPS_CLASS(oc); @@ -365,7 +386,10 @@ static void hvf_accel_ops_class_init(ObjectClass *oc, = const void *data) ops->remove_all_breakpoints =3D hvf_remove_all_breakpoints; ops->update_guest_debug =3D hvf_update_guest_debug; ops->supports_guest_debug =3D hvf_arch_supports_guest_debug; + + ops->get_vcpu_stats =3D hvf_get_vcpu_stats; }; + static const TypeInfo hvf_accel_ops_type =3D { .name =3D ACCEL_OPS_NAME("hvf"), =20 --=20 2.49.0