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stats: rescale graphs to make the average align with the center, if possible

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For vsync measurements this is not currently done because they don't
track their average
This commit is contained in:
Niklas Haas 2017-07-01 00:31:05 +02:00 committed by wm4
parent 22a8b99f7a
commit 1691b978cf
1 changed files with 11 additions and 4 deletions

15
player/lua/stats.lua
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@ -173,9 +173,11 @@ end
-- len : The length/amount of numbers in `values`.
-- v_max : The maximum number in `values`. It is used to scale all data
-- values to a range of 0 to `v_max`.
-- v_avg : The average number in `values`. It is used to try and center graphs
-- if possible. May be left as nil
-- scale : A value that will be multiplied with all data values.
-- x_tics: Horizontal width multiplier for the steps
local function generate_graph(values, i, len, v_max, scale, x_tics)
local function generate_graph(values, i, len, v_max, v_avg, scale, x_tics)
-- Check if at least one value exists
if not values[i] then
return ""
@ -186,6 +188,11 @@ local function generate_graph(values, i, len, v_max, scale, x_tics)
local y_max = o.font_size * 0.66
local x = 0
-- try and center the graph if possible, but avoid going above `scale`
if v_avg then
scale = math.min(scale, v_max / (2 * v_avg))
end
local s = {format("m 0 0 n %f %f l ", x, y_max - (y_max * values[i] / v_max * scale))}
i = ((i - 2) % len) + 1
@ -306,7 +313,7 @@ local function append_perfdata(s, full)
if o.plot_perfdata and o.ass_formatting then
s[#s+1] = generate_graph(pass["samples"], pass["count"],
pass["count"], pass["peak"],
0.8, 0.25)
pass["avg"], 0.9, 0.25)
end
end
@ -346,10 +353,10 @@ local function append_display_sync(s)
local ratio_graph = ""
local jitter_graph = ""
if o.plot_vsync_ratio then
ratio_graph = generate_graph(vsratio_buf, vsratio_buf.pos, vsratio_buf.len, vsratio_buf.max, 0.8, 1)
ratio_graph = generate_graph(vsratio_buf, vsratio_buf.pos, vsratio_buf.len, vsratio_buf.max, nil, 0.8, 1)
end
if o.plot_vsync_jitter then
jitter_graph = generate_graph(vsjitter_buf, vsjitter_buf.pos, vsjitter_buf.len, vsjitter_buf.max, 0.8, 1)
jitter_graph = generate_graph(vsjitter_buf, vsjitter_buf.pos, vsjitter_buf.len, vsjitter_buf.max, nil, 0.8, 1)
end
append_property(s, "vsync-ratio", {prefix="VSync Ratio:", suffix=o.prefix_sep .. ratio_graph})
append_property(s, "vsync-jitter", {prefix="VSync Jitter:", suffix=o.prefix_sep .. jitter_graph})