From b7cd9c1e840d511319f326ee8cab772b3ac50a3b Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Tue, 15 Dec 2020 15:09:29 +0000 Subject: clock: Define and use new clock_display_freq() It's common to want to print a human-readable indication of a clock's frequency. Provide a utility function in the clock API to return a string which is a displayable representation of the frequency, and use it in qdev-monitor.c. 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: Peter Maydell Tested-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Reviewed-by: Luc Michel Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20201215150929.30311-5-peter.maydell@linaro.org> Signed-off-by: Philippe Mathieu-Daudé --- softmmu/qdev-monitor.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'softmmu') diff --git a/softmmu/qdev-monitor.c b/softmmu/qdev-monitor.c index 2c57e36c9a..8dc656becc 100644 --- a/softmmu/qdev-monitor.c +++ b/softmmu/qdev-monitor.c @@ -736,11 +736,11 @@ 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_str = clock_display_freq(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_str); } class = object_get_class(OBJECT(dev)); do { -- cgit v1.2.3-55-g7522