diff options
Diffstat (limited to 'scripts/pybootchartgui/pybootchartgui/draw.py')
| -rw-r--r-- | scripts/pybootchartgui/pybootchartgui/draw.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/scripts/pybootchartgui/pybootchartgui/draw.py b/scripts/pybootchartgui/pybootchartgui/draw.py index ec5dd333a1..f0143ad0d6 100644 --- a/scripts/pybootchartgui/pybootchartgui/draw.py +++ b/scripts/pybootchartgui/pybootchartgui/draw.py @@ -133,6 +133,16 @@ TASK_COLOR_PACKAGE = (0.0, 1.00, 1.00, 1.0) # Package Write RPM/DEB/IPK task color TASK_COLOR_PACKAGE_WRITE = (0.0, 0.50, 0.50, 1.0) +# Distinct colors used for different disk volumnes. +# If we have more volumns, colors get re-used. +VOLUME_COLORS = [ + (1.0, 1.0, 0.00, 1.0), + (0.0, 1.00, 0.00, 1.0), + (1.0, 0.00, 1.00, 1.0), + (0.0, 0.00, 1.00, 1.0), + (0.0, 1.00, 1.00, 1.0), +] + # Process states STATE_UNDEFINED = 0 STATE_RUNNING = 1 @@ -397,6 +407,58 @@ def render_charts(ctx, options, clip, trace, curr_y, w, h, sec_w): curr_y = curr_y + 30 + bar_h + # render disk space usage + # + # Draws the amount of disk space used on each volume relative to the + # lowest recorded amount. The graphs for each volume are stacked above + # each other so that total disk usage is visible. + if trace.monitor_disk: + ctx.set_font_size(LEGEND_FONT_SIZE) + # Determine set of volumes for which we have + # information and the minimal amount of used disk + # space for each. Currently samples are allowed to + # not have a values for all volumes; drawing could be + # made more efficient if that wasn't the case. + volumes = set() + min_used = {} + for sample in trace.monitor_disk: + for volume, used in sample.records.items(): + volumes.add(volume) + if volume not in min_used or min_used[volume] > used: + min_used[volume] = used + volumes = sorted(list(volumes)) + disk_scale = 0 + for i, volume in enumerate(volumes): + volume_scale = max([sample.records[volume] - min_used[volume] + for sample in trace.monitor_disk + if volume in sample.records]) + # Does not take length of volume name into account, but fixed offset + # works okay in practice. + draw_legend_box(ctx, '%s (max: %u MiB)' % (volume, volume_scale / 1024 / 1024), + VOLUME_COLORS[i % len(VOLUME_COLORS)], + off_x + i * 250, curr_y+20, leg_s) + disk_scale += volume_scale + + # render used amount of disk space + 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) + for i in range(len(volumes), 0, -1): + draw_chart (ctx, VOLUME_COLORS[(i - 1) % len(VOLUME_COLORS)], True, chart_rect, \ + [(sample.time, + # Sum up used space of all volumes including the current one + # so that the graphs appear as stacked on top of each other. + reduce(lambda x,y: x+y, + [sample.records[volume] - min_used[volume] + for volume in volumes[0:i] + if volume in sample.records], + 0)) + for sample in trace.monitor_disk], \ + proc_tree, [0, disk_scale]) + + curr_y = curr_y + 30 + bar_h + # render mem usage chart_rect = (off_x, curr_y+30, w, meminfo_bar_h) mem_stats = trace.mem_stats |