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from __future__ import division
import sys
import cairo
from math import ceil
from .format import EVENTS
from . import event_time, event_pid, event_cpu, event_job_id
ARROW_LINE_WIDTH = 2 # (pts)
ARROW_WIDTH = 12 # (pts)
ARROW_HEIGHT = 0.8 # (relative)
ALLOC_HEIGHT = 0.5 # (relative)
COLORS = [
(0.0000, 0.1667, 1.0000),
(1.0000, 0.0833, 0.0000),
(0.0417, 1.0000, 0.0000),
(0.9583, 0.0000, 1.0000),
(0.9792, 1.0000, 0.0000),
(0.0000, 1.0000, 0.8958),
(0.3958, 0.0000, 1.0000),
(1.0000, 0.0000, 0.4792),
(0.6042, 1.0000, 0.0000),
(0.0000, 0.7292, 1.0000),
(0.0000, 1.0000, 0.3333),
(1.0000, 0.4583, 0.0000),
(0.0208, 0.0000, 1.0000),
(1.0000, 0.8333, 0.0000),
(0.2083, 0.0000, 1.0000),
(0.7917, 1.0000, 0.0000),
(0.5833, 0.0000, 1.0000),
(0.4167, 1.0000, 0.0000),
(0.7708, 0.0000, 1.0000),
(0.2292, 1.0000, 0.0000),
(1.0000, 0.0000, 0.8542),
(0.0000, 1.0000, 0.1458),
(1.0000, 0.0000, 0.6667),
(0.0000, 1.0000, 0.5208),
(1.0000, 0.0000, 0.2917),
(0.0000, 1.0000, 0.7083),
(1.0000, 0.0000, 0.1042),
(0.0000, 0.9167, 1.0000),
(1.0000, 0.2708, 0.0000),
(0.0000, 0.5417, 1.0000),
(1.0000, 0.6458, 0.0000),
(0.0000, 0.3542, 1.0000)
]
def cpu_color(cpu):
return COLORS[cpu % len(COLORS)]
MAJOR_TICK_FONT_SIZE = 24
TASK_LABEL_FONT_SIZE = 18
TASK_LABEL_COLOR = (0, 0, 0)
TAG_FONT_SIZE = 12
TAG_COLOR = (0, 0, 0)
JOB_ID_FONT_SIZE = 10
GRID_WIDTH = 2
MAJOR_TICK_WIDTH = 2
MINOR_TICK_WIDTH = 1
MAJOR_TICK_COLOR = (0.7, 0.7, 0.7)
MINOR_TICK_COLOR = (0.8, 0.8, 0.8)
GRID_COLOR = (0.7, 0.7, 0.7)
JOB_EVENT_COLOR = (0, 0, 0)
YRES = 100
XLABEL_MARGIN = 72
YLABEL_MARGIN = 200
def center_text(c, x, y, msg):
x_bear, y_bear, width, height, x_adv, y_adv = c.text_extents(msg)
c.move_to(x, y)
c.rel_move_to(-width / 2, height)
c.show_text(msg)
def center_text_above(c, x, y, msg):
x_bear, y_bear, width, height, x_adv, y_adv = c.text_extents(msg)
c.move_to(x, y)
c.rel_move_to(-width / 2, 0)
c.show_text(msg)
def text_left_align_below(c, x, y, msg):
x_bear, y_bear, width, height, x_adv, y_adv = c.text_extents(msg)
c.move_to(x, y)
c.rel_move_to(0, height)
c.show_text(msg)
def text_left_align_above(c, x, y, msg):
c.move_to(x, y)
c.show_text(msg)
def vcenter_right_align_text(c, x, y, msg):
x_bear, y_bear, width, height, x_adv, y_adv = c.text_extents(msg)
c.move_to(x, y)
c.rel_move_to(-width, height/2)
c.show_text(msg)
return y_adv
def render(opts, trace):
if opts.verbose:
print '[II] Identifying relevant tasks and CPUs...',
sys.stdout.flush()
tasks, cores = trace.active_in_interval(opts.start, opts.end)
if opts.verbose:
print '%d tasks, %d cores.' % (len(tasks), len(cores))
# scale is given in points/ms, we need points/ns
xscale = opts.xscale/1E6
yscale = opts.yscale/YRES
width = ceil(opts.margin * 2 + (opts.end - opts.start) * xscale + YLABEL_MARGIN)
height = ceil(opts.margin * 2 + (len(tasks) * YRES) * yscale + XLABEL_MARGIN)
if opts.verbose:
print '[II] Canvas size: %dpt x %dpt' % (width, height)
pdf = cairo.PDFSurface(opts.output, width, height)
task_idx = {}
for i, t in enumerate(sorted(tasks)):
task_idx[t] = i
c = cairo.Context(pdf)
c.translate(opts.margin + YLABEL_MARGIN, opts.margin)
# draw box
# c.rectangle(0, 0, width - opts.margin * 2, height - opts.margin * 2)
# c.stroke()
def xpos(x):
return (x - opts.start) * xscale
def ypos(y):
return (y * YRES) * yscale
# c.scale(xscale, yscale)
if opts.verbose:
print '[II] Drawing grid...',
sys.stdout.flush()
# draw minor tick lines
if opts.minor_ticks:
c.set_source_rgb(*MINOR_TICK_COLOR)
c.set_line_width(MINOR_TICK_WIDTH)
time = opts.start
while time <= opts.end:
x = xpos(time)
y = ypos(len(tasks))
c.new_path()
c.move_to(x, y)
c.line_to(x, 0)
c.stroke()
time += opts.minor_ticks * 1E6
# draw major tick lines
if opts.major_ticks:
c.set_source_rgb(*MAJOR_TICK_COLOR)
c.set_line_width(MAJOR_TICK_WIDTH)
c.set_font_size(MAJOR_TICK_FONT_SIZE)
time = opts.start
while time <= opts.end:
x = xpos(time)
y = ypos(len(tasks) + 0.2)
c.new_path()
c.move_to(x, y)
c.line_to(x, 0)
c.stroke()
y = ypos(len(tasks) + 0.3)
center_text(c, x, y, "%dms" % ((time - opts.start) / 1E6))
time += opts.major_ticks * 1E6
# draw task labels
c.set_font_size(TASK_LABEL_FONT_SIZE)
c.set_source_rgb(*TASK_LABEL_COLOR)
for pid in tasks:
x = -24
y = ypos(task_idx[pid] + 0.25)
vcenter_right_align_text(c, x, y, "%s/%d" % (trace.task_names[pid], pid))
y = ypos(task_idx[pid] + 0.75)
vcenter_right_align_text(c, x, y,
"(%.2fms, %.2fms)" % (trace.task_wcets[pid] / 1E6,
trace.task_periods[pid] / 1E6))
if opts.verbose:
print 'done.'
print '[II] Drawing CPU allocations...',
sys.stdout.flush()
# raw allocations
box_height = ALLOC_HEIGHT * YRES * yscale
c.set_font_size(TAG_FONT_SIZE)
for (to, away) in trace.scheduling_intervals_in_range(opts.start, opts.end):
delta = (event_time(away) - event_time(to)) * xscale
pid = event_pid(to)
y = ypos(task_idx[pid] + (1 - ALLOC_HEIGHT))
x = xpos(event_time(to))
c.new_path()
c.rectangle(x, y, delta, box_height)
c.set_source_rgb(*cpu_color(event_cpu(to)))
c.fill()
c.set_source_rgb(*TAG_COLOR)
text_left_align_below(c, x + 2, y + 2, '%d' % event_cpu(to))
# draw task base lines
c.set_source_rgb(*GRID_COLOR)
c.set_line_width(GRID_WIDTH)
for t in tasks:
c.new_path()
y = ypos(task_idx[t] + 1)
x = xpos(opts.start)
c.move_to(x, y)
x = xpos(opts.end)
c.line_to(x, y)
c.stroke()
if opts.verbose:
print 'done.'
print '[II] Drawing releases and deadlines...',
sys.stdout.flush()
# draw releases and deadlines
c.set_source_rgb(*JOB_EVENT_COLOR)
c.set_line_width(ARROW_LINE_WIDTH)
# c.set_line_cap(cairo.LINE_JOIN_ROUND)
c.set_line_join(cairo.LINE_JOIN_ROUND)
c.set_font_size(JOB_ID_FONT_SIZE)
arrow_width = ARROW_WIDTH / 2
arrow_height = ARROW_HEIGHT * YRES * yscale
for rec in trace.events_in_range_of_type(opts.start, opts.end, 'ST_RELEASE'):
pid = event_pid(rec)
y = ypos(task_idx[pid] + 1)
rel = xpos(event_time(rec))
c.new_path()
c.move_to(rel, y - (GRID_WIDTH - 1))
c.rel_line_to(0, -arrow_height)
c.rel_line_to(-arrow_width, arrow_width)
c.rel_move_to(arrow_width, -arrow_width)
c.rel_line_to(arrow_width, arrow_width)
c.stroke()
if opts.show_job_ids:
text_left_align_above(c, rel + 4, y - arrow_height - 4,
"%d" % event_job_id(rec))
dl = xpos(rec[-1])
c.new_path()
c.move_to(dl, y - arrow_height - (GRID_WIDTH - 1))
c.rel_line_to(0, arrow_height)
c.rel_line_to(-arrow_width, -arrow_width)
c.rel_move_to(arrow_width, arrow_width)
c.rel_line_to(arrow_width, -arrow_width)
c.stroke()
if opts.verbose:
print 'done.'
print '[II] Drawing job completions...',
sys.stdout.flush()
# draw job completions
for rec in trace.events_in_range_of_type(opts.start, opts.end, 'ST_COMPLETION'):
pid = event_pid(rec)
y = ypos(task_idx[pid] + 1)
x = xpos(event_time(rec))
c.new_path()
c.move_to(x, y - (GRID_WIDTH - 1))
c.rel_line_to(0, -arrow_height)
c.rel_move_to(-arrow_width, 0)
c.rel_line_to(2 * arrow_width, 0)
c.stroke()
if opts.show_job_ids:
text_left_align_above(c, x + 4, y - arrow_height - 4,
"%d" % event_job_id(rec))
if opts.verbose:
print 'done.'
print '[II] Drawing job suspensions...',
sys.stdout.flush()
# draw job suspensions
c.set_line_width(1)
for rec in trace.events_in_range_of_type(opts.start, opts.end, 'ST_BLOCK'):
pid = event_pid(rec)
y = ypos(task_idx[pid] + (1 - ALLOC_HEIGHT) + 0.5 * ALLOC_HEIGHT)
y1 = ypos(task_idx[pid] + (1 - ALLOC_HEIGHT) + 0.4 * ALLOC_HEIGHT)
y2 = ypos(task_idx[pid] + (1 - ALLOC_HEIGHT) + 0.6 * ALLOC_HEIGHT)
x = xpos(event_time(rec))
c.new_path()
c.move_to(x, y1)
c.line_to(x, y2)
c.line_to(x - arrow_width, y)
c.line_to(x, y1)
c.close_path()
c.stroke()
if opts.verbose:
print 'done.'
print '[II] Drawing job wake-ups...',
sys.stdout.flush()
# draw job suspensions
c.set_line_width(1)
for rec in trace.events_in_range_of_type(opts.start, opts.end, 'ST_RESUME'):
pid = event_pid(rec)
y = ypos(task_idx[pid] + (1 - ALLOC_HEIGHT) + 0.5 * ALLOC_HEIGHT)
y1 = ypos(task_idx[pid] + (1 - ALLOC_HEIGHT) + 0.4 * ALLOC_HEIGHT)
y2 = ypos(task_idx[pid] + (1 - ALLOC_HEIGHT) + 0.6 * ALLOC_HEIGHT)
x = xpos(event_time(rec))
c.new_path()
c.move_to(x, y1)
c.line_to(x, y2)
c.line_to(x + arrow_width, y)
c.line_to(x, y1)
c.close_path()
c.stroke()
if opts.verbose:
print 'done.'
print '[II] Finishing PDF...',
sys.stdout.flush()
pdf.finish()
if opts.verbose:
print 'done.'
if opts.verbose:
print '[II] Flushing PDF...',
sys.stdout.flush()
pdf.flush()
if opts.verbose:
print 'done.'
del pdf
|
