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

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
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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})