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Re: [Qemu-devel] [PATCH V3] tests/acpi: speedup acpi tests
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [Qemu-devel] [PATCH V3] tests/acpi: speedup acpi tests |
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Date: |
Tue, 6 Sep 2016 22:10:02 +0300 |
On Tue, Sep 06, 2016 at 10:04:14PM +0300, Marcel Apfelbaum wrote:
> Use kvm acceleration if available.
> Disable kernel-irqchip and use qemu64 cpu
> for both kvm and tcg cases.
>
> Using kvm acceleration saves about a second
> and disabling kernel-irqchip has no visible
> performance impact.
>
> Signed-off-by: Marcel Apfelbaum <address@hidden>
a minor suggestion below.
Besides that:
Acked-by: Michael S. Tsirkin <address@hidden>
> ---
> v2->v3:
> - Get rid of -cpu qemu64, is the default anyway (Paolo)
> - Removed a not needed chunk
>
> v1->v2:
> - Disable kernel_irqchip an use qemu64 cpu (Michael)
> - Replace check_kvm function with -machine accel=kvm:tcg (Paolo)
> - Don't pass the machine parameter to test_acpi_one
>
> tests/bios-tables-test.c | 38 +++++++++++++++++++-------------------
> 1 file changed, 19 insertions(+), 19 deletions(-)
>
> diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c
> index de4019e..5288307 100644
> --- a/tests/bios-tables-test.c
> +++ b/tests/bios-tables-test.c
> @@ -711,9 +711,11 @@ static void test_acpi_one(const char *params, test_data
> *data)
> {
> char *args;
>
> - args = g_strdup_printf("-net none -display none %s "
> + args = g_strdup_printf("-machine %s,accel=%s,kernel-irqchip=off "
> + "-net none -display none %s "
> "-drive id=hd0,if=none,file=%s,format=raw "
> "-device ide-hd,drive=hd0 ",
> + data->machine, "kvm:tcg",
> params ? params : "", disk);
>
> qtest_start(args);
Please add a comment explaining why do we do irqchip=off.
> @@ -758,7 +760,7 @@ static void test_acpi_piix4_tcg(void)
> data.machine = MACHINE_PC;
> data.required_struct_types = base_required_struct_types;
> data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
> - test_acpi_one("-machine accel=tcg", &data);
> + test_acpi_one(NULL, &data);
> free_test_data(&data);
> }
>
> @@ -771,7 +773,7 @@ static void test_acpi_piix4_tcg_bridge(void)
> data.variant = ".bridge";
> data.required_struct_types = base_required_struct_types;
> data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
> - test_acpi_one("-machine accel=tcg -device pci-bridge,chassis_nr=1",
> &data);
> + test_acpi_one("-device pci-bridge,chassis_nr=1", &data);
> free_test_data(&data);
> }
>
> @@ -783,7 +785,7 @@ static void test_acpi_q35_tcg(void)
> data.machine = MACHINE_Q35;
> data.required_struct_types = base_required_struct_types;
> data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
> - test_acpi_one("-machine q35,accel=tcg", &data);
> + test_acpi_one(NULL, &data);
> free_test_data(&data);
> }
>
> @@ -796,7 +798,7 @@ static void test_acpi_q35_tcg_bridge(void)
> data.variant = ".bridge";
> data.required_struct_types = base_required_struct_types;
> data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
> - test_acpi_one("-machine q35,accel=tcg -device pci-bridge,chassis_nr=1",
> + test_acpi_one("-device pci-bridge,chassis_nr=1",
> &data);
> free_test_data(&data);
> }
> @@ -808,8 +810,7 @@ static void test_acpi_piix4_tcg_cphp(void)
> memset(&data, 0, sizeof(data));
> data.machine = MACHINE_PC;
> data.variant = ".cphp";
> - test_acpi_one("-machine accel=tcg"
> - " -smp 2,cores=3,sockets=2,maxcpus=6",
> + test_acpi_one("-smp 2,cores=3,sockets=2,maxcpus=6",
> &data);
> free_test_data(&data);
> }
> @@ -821,8 +822,7 @@ static void test_acpi_q35_tcg_cphp(void)
> memset(&data, 0, sizeof(data));
> data.machine = MACHINE_Q35;
> data.variant = ".cphp";
> - test_acpi_one("-machine q35,accel=tcg"
> - " -smp 2,cores=3,sockets=2,maxcpus=6",
> + test_acpi_one(" -smp 2,cores=3,sockets=2,maxcpus=6",
> &data);
> free_test_data(&data);
> }
> @@ -840,7 +840,7 @@ static void test_acpi_q35_tcg_ipmi(void)
> data.variant = ".ipmibt";
> data.required_struct_types = ipmi_required_struct_types;
> data.required_struct_types_len = ARRAY_SIZE(ipmi_required_struct_types);
> - test_acpi_one("-machine q35,accel=tcg -device ipmi-bmc-sim,id=bmc0"
> + test_acpi_one("-device ipmi-bmc-sim,id=bmc0"
> " -device isa-ipmi-bt,bmc=bmc0",
> &data);
> free_test_data(&data);
> @@ -858,7 +858,7 @@ static void test_acpi_piix4_tcg_ipmi(void)
> data.variant = ".ipmikcs";
> data.required_struct_types = ipmi_required_struct_types;
> data.required_struct_types_len = ARRAY_SIZE(ipmi_required_struct_types);
> - test_acpi_one("-machine accel=tcg -device ipmi-bmc-sim,id=bmc0"
> + test_acpi_one("-device ipmi-bmc-sim,id=bmc0"
> " -device isa-ipmi-kcs,irq=0,bmc=bmc0",
> &data);
> free_test_data(&data);
> @@ -876,14 +876,14 @@ int main(int argc, char *argv[])
> g_test_init(&argc, &argv, NULL);
>
> if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
> - qtest_add_func("acpi/piix4/tcg", test_acpi_piix4_tcg);
> - qtest_add_func("acpi/piix4/tcg/bridge", test_acpi_piix4_tcg_bridge);
> - qtest_add_func("acpi/q35/tcg", test_acpi_q35_tcg);
> - qtest_add_func("acpi/q35/tcg/bridge", test_acpi_q35_tcg_bridge);
> - qtest_add_func("acpi/piix4/tcg/ipmi", test_acpi_piix4_tcg_ipmi);
> - qtest_add_func("acpi/q35/tcg/ipmi", test_acpi_q35_tcg_ipmi);
> - qtest_add_func("acpi/piix4/tcg/cpuhp", test_acpi_piix4_tcg_cphp);
> - qtest_add_func("acpi/q35/tcg/cpuhp", test_acpi_q35_tcg_cphp);
> + qtest_add_func("acpi/piix4", test_acpi_piix4_tcg);
> + qtest_add_func("acpi/piix4/bridge", test_acpi_piix4_tcg_bridge);
> + qtest_add_func("acpi/q35", test_acpi_q35_tcg);
> + qtest_add_func("acpi/q35/bridge", test_acpi_q35_tcg_bridge);
> + qtest_add_func("acpi/piix4/ipmi", test_acpi_piix4_tcg_ipmi);
> + qtest_add_func("acpi/q35/ipmi", test_acpi_q35_tcg_ipmi);
> + qtest_add_func("acpi/piix4/cpuhp", test_acpi_piix4_tcg_cphp);
> + qtest_add_func("acpi/q35/cpuhp", test_acpi_q35_tcg_cphp);
> }
> ret = g_test_run();
> boot_sector_cleanup(disk);
> --
> 2.5.5