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pybootchartgui: render cpu and io pressure

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Add two new, separate charts showing the avg10 and delta
total pressure over time for the CPU and IO resources. The height of
the avg10 data in each chart represents the percentage of time "some"
task was delayed over the specific resource during the last 10
seconds of the build. The height of the delta total data in each chart
represents the total time "some" task was delayed since the last sample
was collected. If the reduced_proc_pressure data is not present in the
buildstats log, then the new charts are not shown at all rather than
being present but unpopulated.

Note that the delta total graphs may appear "spikey",
oscillating from high values to low. This behaviour is fixed in a
subsequent commit.

(From OE-Core rev: fb9ff46dc3059cb3f4c8df8e4654184c3eab1571)

Signed-off-by: Aryaman Gupta <aryaman.gupta@windriver.com>
Signed-off-by: Randy MacLeod <randy.macleod@windriver.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Aryaman Gupta
2022-06-22 15:21:04 -04:00
committed by Richard Purdie
parent ac162116b3
commit 45f1e9d953
3 changed files with 122 additions and 0 deletions
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77
scripts/pybootchartgui/pybootchartgui/draw.py
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@@ -80,6 +80,18 @@ MEM_BUFFERS_COLOR = (0.4, 0.4, 0.4, 0.3)
# Swap color
MEM_SWAP_COLOR = DISK_TPUT_COLOR
# avg10 CPU pressure color
CPU_PRESSURE_AVG10_COLOR = (0.0, 0.0, 0.0, 1.0)
# delta total CPU pressure color
CPU_PRESSURE_TOTAL_COLOR = CPU_COLOR
# avg10 IO pressure color
IO_PRESSURE_AVG10_COLOR = (0.0, 0.0, 0.0, 1.0)
# delta total IO pressure color
IO_PRESSURE_TOTAL_COLOR = IO_COLOR
# Process border color.
PROC_BORDER_COLOR = (0.71, 0.71, 0.71, 1.0)
# Waiting process color.
@@ -415,6 +427,71 @@ def render_charts(ctx, options, clip, trace, curr_y, w, h, sec_w):
curr_y = curr_y + 30 + bar_h
# render CPU pressure chart
if trace.cpu_pressure:
draw_legend_line(ctx, "avg10 CPU Pressure", CPU_PRESSURE_AVG10_COLOR, off_x, curr_y+20, leg_s)
draw_legend_box(ctx, "delta total CPU Pressure", CPU_PRESSURE_TOTAL_COLOR, off_x + 140, curr_y+20, leg_s)
# render delta total cpu
chart_rect = (off_x, curr_y+30, w, bar_h)
if clip_visible (clip, chart_rect):
draw_box_ticks (ctx, chart_rect, sec_w)
draw_annotations (ctx, proc_tree, trace.times, chart_rect)
draw_chart (ctx, CPU_PRESSURE_TOTAL_COLOR, True, chart_rect, \
[(sample.time, sample.deltaTotal) for sample in trace.cpu_pressure], \
proc_tree, None)
# render avg10 cpu
max_sample = max (trace.cpu_pressure, key = lambda s: s.avg10)
if clip_visible (clip, chart_rect):
draw_chart (ctx, CPU_PRESSURE_AVG10_COLOR, False, chart_rect, \
[(sample.time, sample.avg10) for sample in trace.cpu_pressure], \
proc_tree, None)
pos_x = off_x + ((max_sample.time - proc_tree.start_time) * w / proc_tree.duration)
shift_x, shift_y = -20, 20
if (pos_x < off_x + 245):
shift_x, shift_y = 5, 40
label = "%d%%" % (max_sample.avg10)
draw_text (ctx, label, CPU_PRESSURE_AVG10_COLOR, pos_x + shift_x, curr_y + shift_y)
curr_y = curr_y + 30 + bar_h
# render delta total io
if trace.io_pressure:
draw_legend_line(ctx, "avg10 I/O Pressure", IO_PRESSURE_AVG10_COLOR, off_x, curr_y+20, leg_s)
draw_legend_box(ctx, "delta total I/O Pressure", IO_PRESSURE_TOTAL_COLOR, off_x + 140, curr_y+20, leg_s)
# render avg10 io
chart_rect = (off_x, curr_y+30, w, bar_h)
if clip_visible (clip, chart_rect):
draw_box_ticks (ctx, chart_rect, sec_w)
draw_annotations (ctx, proc_tree, trace.times, chart_rect)
draw_chart (ctx, IO_PRESSURE_TOTAL_COLOR, True, chart_rect, \
[(sample.time, sample.deltaTotal) for sample in trace.io_pressure], \
proc_tree, None)
# render io pressure
max_sample = max (trace.io_pressure, key = lambda s: s.avg10)
if clip_visible (clip, chart_rect):
draw_chart (ctx, IO_PRESSURE_AVG10_COLOR, False, chart_rect, \
[(sample.time, sample.avg10) for sample in trace.io_pressure], \
proc_tree, None)
pos_x = off_x + ((max_sample.time - proc_tree.start_time) * w / proc_tree.duration)
shift_x, shift_y = -20, 20
if (pos_x < off_x + 245):
shift_x, shift_y = 5, 40
label = "%d%%" % (max_sample.avg10)
draw_text (ctx, label, IO_PRESSURE_AVG10_COLOR, pos_x + shift_x, curr_y + shift_y)
curr_y = curr_y + 30 + bar_h
# render disk space usage
#
# Draws the amount of disk space used on each volume relative to the