diff options
| -rw-r--r-- | scripts/pybootchartgui/pybootchartgui/draw.py | 62 | ||||
| -rw-r--r-- | scripts/pybootchartgui/pybootchartgui/parsing.py | 26 | ||||
| -rw-r--r-- | scripts/pybootchartgui/pybootchartgui/samples.py | 11 |
3 files changed, 99 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 diff --git a/scripts/pybootchartgui/pybootchartgui/parsing.py b/scripts/pybootchartgui/pybootchartgui/parsing.py index 48eb048dae..301145ab67 100644 --- a/scripts/pybootchartgui/pybootchartgui/parsing.py +++ b/scripts/pybootchartgui/pybootchartgui/parsing.py @@ -48,6 +48,7 @@ class Trace: self.filename = None self.parent_map = None self.mem_stats = [] + self.monitor_disk = None self.times = [] # Always empty, but expected by draw.py when drawing system charts. if len(paths): @@ -506,6 +507,29 @@ def _parse_proc_meminfo_log(file): return mem_stats +def _parse_monitor_disk_log(file): + """ + Parse file with information about amount of diskspace used. + The format of relevant lines should be: ^volume path: number-of-bytes? + """ + disk_stats = [] + diskinfo_re = re.compile(r'^(.+):\s*(\d+)$') + + for time, lines in _parse_timed_blocks(file): + sample = DiskSpaceSample(time) + + for line in lines: + match = diskinfo_re.match(line) + if not match: + raise ParseError("Invalid monitor_disk line \"%s\"" % line) + sample.add_value(match.group(1), int(match.group(2))) + + if sample.valid(): + disk_stats.append(sample) + + return disk_stats + + # if we boot the kernel with: initcall_debug printk.time=1 we can # get all manner of interesting data from the dmesg output # We turn this into a pseudo-process tree: each event is @@ -684,6 +708,8 @@ def _do_parse(writer, state, filename, file): state.mem_stats = _parse_proc_meminfo_log(file) elif name == "cmdline2.log": state.cmdline = _parse_cmdline_log(writer, file) + elif name == "monitor_disk.log": + state.monitor_disk = _parse_monitor_disk_log(file) elif not filename.endswith('.log'): _parse_bitbake_buildstats(writer, state, filename, file) t2 = clock() diff --git a/scripts/pybootchartgui/pybootchartgui/samples.py b/scripts/pybootchartgui/pybootchartgui/samples.py index 015d743aa0..bedca4165a 100644 --- a/scripts/pybootchartgui/pybootchartgui/samples.py +++ b/scripts/pybootchartgui/pybootchartgui/samples.py @@ -53,6 +53,17 @@ class MemSample: # discard incomplete samples return [v for v in MemSample.used_values if v not in keys] == [] +class DiskSpaceSample: + def __init__(self, time): + self.time = time + self.records = {} + + def add_value(self, name, value): + self.records[name] = value + + def valid(self): + return bool(self.records) + class ProcessSample: def __init__(self, time, state, cpu_sample): self.time = time |