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tools/gst-plot-timeline.py: Better log parsing (categories can have -). Adjust text vs. lines, so that they span the ...

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Original commit message from CVS:
* tools/gst-plot-timeline.py:
Better log parsing (categories can have -). Adjust text vs. lines, so
that they span the same y-range.
This commit is contained in:
Stefan Kost 2007-07-20 07:36:44 +00:00
parent 1a140c99a6
commit 833590f239
2 changed files with 30 additions and 5 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2007-07-20 Stefan Kost <ensonic@users.sf.net>
* tools/gst-plot-timeline.py:
Better log parsing (categories can have -). Adjust text vs. lines, so
that they span the same y-range.
2007-07-20 Stefan Kost <ensonic@users.sf.net>
* docs/random/ensonic/audiobaseclasses.txt:

29
tools/gst-plot-timeline.py
View file

@ -15,8 +15,10 @@ import cairo
FONT_NAME = "Bitstream Vera Sans"
FONT_SIZE = 8
PIXELS_PER_SECOND = 1700
PIXELS_PER_LINE = 12
# how many pixels for a second on the timeline
PIXELS_PER_SECOND = 300
# how many pixels for one line of log
PIXELS_PER_LINE = 10
PLOT_WIDTH = 1400
TIME_SCALE_WIDTH = 20
SYSCALL_MARKER_WIDTH = 20
@ -25,7 +27,8 @@ LOG_MARKER_WIDTH = 20
BACKGROUND_COLOR = (0, 0, 0)
# assumes GST_DEBUG_LOG_COLOR=1
mark_regex = re.compile (r'^(\d:\d\d:\d\d\.\d+) +\d+ 0?x?[0-9a-f]+ [A-Z]+ +([a-zA-Z_]+ )(.*)')
# timestamp pid thread level category,file,line,msg
mark_regex = re.compile (r'^(\d:\d\d:\d\d\.\d+) +\d+ 0?x?[0-9a-f]+ [A-Z]+ +([-a-zA-Z0-9_]+ )(.*)')
mark_timestamp_group = 1
mark_program_group = 2
mark_log_group = 3
@ -115,6 +118,9 @@ def normalize_timestamps(syscalls):
syscall.timestamp -= first_timestamp
def compute_syscall_metrics(syscalls):
global PIXELS_PER_SECOND
global PIXELS_PER_LINE
num_syscalls = len(syscalls)
metrics = Metrics()
@ -122,8 +128,19 @@ def compute_syscall_metrics(syscalls):
last_timestamp = syscalls[num_syscalls - 1].timestamp
num_seconds = int(math.ceil(last_timestamp))
metrics.height = max(num_seconds * PIXELS_PER_SECOND,
num_syscalls * PIXELS_PER_LINE)
time_height = num_seconds * PIXELS_PER_SECOND
line_height = num_syscalls * PIXELS_PER_LINE
if time_height > line_height:
metrics.height = time_height
print "Adjusting PIXELS_PER_LINE = %d" % PIXELS_PER_LINE
PIXELS_PER_LINE = metrics.height / num_syscalls
print " PIXELS_PER_LINE = %d" % PIXELS_PER_LINE
else:
metrics.height = line_height
print "Adjusting PIXELS_PER_SECOND %d" % PIXELS_PER_SECOND
PIXELS_PER_SECOND = metrics.height / num_seconds
print " PIXELS_PER_SECOND %d" % PIXELS_PER_SECOND
text_ypos = 0
@ -170,6 +187,8 @@ def plot_syscall(surface, ctx, syscall):
def plot_syscalls_to_surface(syscalls, metrics):
num_syscalls = len(syscalls)
print 'picture size: %d x %d' % (metrics.width, metrics.height);
surface = cairo.ImageSurface(cairo.FORMAT_RGB24,
metrics.width, metrics.height)