On Fri, Jul 31, 2020 at 03:42:43PM +0800, Jingyi Wang wrote:
> Under certain circumstances, we need to further process microbench
> test results, so we add test->post() in the microbench framework,
> later patch will use that.
>
> Signed-off-by: Jingyi Wang <wangjingyi11@xxxxxxxxxx>
> ---
> arm/micro-bench.c | 31 ++++++++++++++++++-------------
> 1 file changed, 18 insertions(+), 13 deletions(-)
>
> diff --git a/arm/micro-bench.c b/arm/micro-bench.c
> index 1e1bde5..4680ba4 100644
> --- a/arm/micro-bench.c
> +++ b/arm/micro-bench.c
> @@ -33,6 +33,12 @@ static int nr_ipi_received;
> static void *vgic_dist_base;
> static void (*write_eoir)(u32 irqstat);
>
> +struct ns_time {
> + uint64_t ns;
> + uint64_t ns_frac;
> +};
Missing blank line
> +static void ticks_to_ns_time(uint64_t ticks, struct ns_time *ns_time);
You could have moved the whole function up here.
> +
> static void gic_irq_handler(struct pt_regs *regs)
> {
> u32 irqstat = gic_read_iar();
> @@ -283,24 +289,20 @@ struct exit_test {
> const char *name;
> bool (*prep)(void);
> void (*exec)(void);
> + void (*post)(uint64_t, uint64_t, struct ns_time*);
> u32 times;
> bool run;
> };
>
> static struct exit_test tests[] = {
> - {"hvc", NULL, hvc_exec, 65536, true},
> - {"mmio_read_user", NULL, mmio_read_user_exec, 65536, true},
> - {"mmio_read_vgic", NULL, mmio_read_vgic_exec, 65536, true},
> - {"eoi", NULL, eoi_exec, 65536, true},
> - {"ipi", ipi_prep, ipi_exec, 65536, true},
> - {"ipi_hw", ipi_hw_prep, ipi_exec, 65536, true},
> - {"lpi", lpi_prep, lpi_exec, 65536, true},
> - {"timer_10ms", timer_prep, timer_exec, 256, true},
> -};
> -
> -struct ns_time {
> - uint64_t ns;
> - uint64_t ns_frac;
> + {"hvc", NULL, hvc_exec, NULL, 65536, true},
> + {"mmio_read_user", NULL, mmio_read_user_exec, NULL, 65536, true},
> + {"mmio_read_vgic", NULL, mmio_read_vgic_exec, NULL, 65536, true},
> + {"eoi", NULL, eoi_exec, NULL, 65536, true},
> + {"ipi", ipi_prep, ipi_exec, NULL, 65536, true},
> + {"ipi_hw", ipi_hw_prep, ipi_exec, NULL, 65536, true},
> + {"lpi", lpi_prep, lpi_exec, NULL, 65536, true},
> + {"timer_10ms", timer_prep, timer_exec, NULL, 256, true},
> };
>
> #define PS_PER_SEC (1000 * 1000 * 1000 * 1000UL)
> @@ -339,6 +341,9 @@ static void loop_test(struct exit_test *test)
> ticks_to_ns_time(total_ticks, &total_ns);
> }
>
> + if (test->post)
> + test->post(total_ticks, ntimes, &total_ns);
> +
We can drop the ns_time structure and pass total_ticks by reference.
> avg_ns.ns = total_ns.ns / ntimes;
> avg_ns.ns_frac = total_ns.ns_frac / ntimes;
>
> --
> 2.19.1
>
>
I can do these changes myself.
Thanks,
drew
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