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Re: [PATCH 2/3] qdev-monitor: Display frequencies scaled to SI unit
From: |
Damien Hedde |
Subject: |
Re: [PATCH 2/3] qdev-monitor: Display frequencies scaled to SI unit |
Date: |
Mon, 28 Sep 2020 10:45:02 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 9/28/20 9:52 AM, Luc Michel wrote:
> On 11:08 Sun 27 Sep , Philippe Mathieu-Daudé wrote:
>> Since commit 9f2ff99c7f2 ("qdev-monitor: print the device's clock
>> with info qtree") we can display the clock frequencies in the
>> monitor. Use the recently introduced freq_to_str() to display
>> the frequencies using the closest SI unit (human friendlier).
>>
>> Before:
>>
>> (qemu) info qtree
>> [...]
>> dev: xilinx,zynq_slcr, id ""
>> clock-in "ps_clk" freq_hz=3.333333e+07
>> mmio 00000000f8000000/0000000000001000
>>
>> After:
>>
>> dev: xilinx,zynq_slcr, id ""
>> clock-in "ps_clk" freq_hz=33.3 MHz
>> mmio 00000000f8000000/0000000000001000
>>
>> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
>
> Reviewed-by: Luc Michel <luc@lmichel.fr>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
>
>> ---
>> qdev-monitor.c | 8 +++++---
>> 1 file changed, 5 insertions(+), 3 deletions(-)
>>
>> diff --git a/qdev-monitor.c b/qdev-monitor.c
>> index e9b7228480d..a0301cfca81 100644
>> --- a/qdev-monitor.c
>> +++ b/qdev-monitor.c
>> @@ -747,11 +747,13 @@ static void qdev_print(Monitor *mon, DeviceState *dev,
>> int indent)
>> }
>> }
>> QLIST_FOREACH(ncl, &dev->clocks, node) {
>> - qdev_printf("clock-%s%s \"%s\" freq_hz=%e\n",
>> + g_autofree char *freq = NULL;
>> +
>> + freq = freq_to_str(clock_get_hz(ncl->clock));
>> + qdev_printf("clock-%s%s \"%s\" freq_hz=%s\n",
>> ncl->output ? "out" : "in",
>> ncl->alias ? " (alias)" : "",
>> - ncl->name,
>> - CLOCK_PERIOD_TO_HZ(1.0 * clock_get(ncl->clock)));
>> + ncl->name, freq);
>> }
>> class = object_get_class(OBJECT(dev));
>> do {
>> --
>> 2.26.2
>>