# 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
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
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):
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
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()
