def enableProfiler(signum, config):
"""
Enables the profiler on specified signal
"""
try:
# If the profiler is available on the system then enable it
import gevent_profiler
if config.has_key('summaryOutput'):
gevent_profiler.set_summary_output(config['summaryOutput'])
if config.has_key('statsOutput'):
gevent_profiler.set_stats_output(config['statsOutput'])
if config.has_key('traceOutput'):
gevent_profiler.set_trace_output(config['traceOutput'])
if config.has_key('printPercentage'):
gevent_profiler.print_percentages(config['printPercentage'])
if config.has_key('countTimeBlocking'):
gevent_profiler.time_blocking(config['countTimeBlocking'])
gevent_profiler.attach_on_signal(signum=signum, duration=config['duration'])
logging.getLogger().info("The profiler is enabled and waiting on signal %s." % signum)
except Exception as ex:
logging.getLogger().warn("Failed enabling the profiler: %s" % ex)
def begin(self):
ts = time.time()
gevent_profiler.set_stats_output("nose-gevent-profiler-%s-stats.txt" %
ts)
gevent_profiler.set_summary_output(
"nose-gevent-profiler-%s-summary.txt" % ts)
gevent_profiler.set_trace_output(None)
def GET(self):
web.header('Content-Type', 'text/html')
params = web.input(_sheep_app_server=None, _sheep_profile_count=None, _sheep_pid=None)
if not web.ctx.env.get('QUERY_STRING', None):
return FORM_HTML % socket.gethostname()
count = params._sheep_profile_count
backend = params._sheep_app_server
pid = params._sheep_pid
if not (count and backend):
return '''params invaild'''
count = int(count)
if not pid:
pid = os.getpid()
raise web.seeother("/_sheep/profile/?_sheep_profile_count=%d&_sheep_app_server=%s&_sheep_pid=%d" % \
(count, backend, pid))
else:
pid = int(pid)
html = FRESH_HTML
num_file = os.path.join('/tmp','%s.%d.counter' % (web.ctx.env['SERVER_NAME'], pid))
stat_file = os.path.join('/tmp', '%s.%d.prof' % (web.ctx.env['SERVER_NAME'], pid))
now = os.path.getsize(num_file) if os.path.exists(num_file) else 0
html = html % (now, count, count, backend.encode('utf8'), pid)
if not getattr(SHEEPApplication, 'old_call', None):
setattr(SHEEPApplication, 'old_call', SHEEPApplication.__call__)
if not os.path.exists(num_file) and os.path.exists(stat_file):
return output(stat_file)
elif not os.path.exists(num_file):
with open(num_file, 'w+') as f:
f.write('')
gevent_profiler.set_stats_output(stat_file)
gevent_profiler.set_trace_output(None)
def monkey_call(obj, environ, start_response):
if os.path.exists(num_file):
with open(num_file, 'a') as f:
f.write('1')
return obj.old_call(environ, start_response)
SHEEPApplication.__call__ = monkey_call
gevent_profiler.attach()
elif os.path.getsize(num_file) >= count:
os.remove(num_file)
try:
gevent_profiler.detach()
except:
pass
SHEEPApplication.__call__ = SHEEPApplication.old_call
return output(stat_file)
return html
def start_profiler(prefix, pcts=False):
"""
Start the gevent-profiler, outputting to the passed prefix-stats and prefix-summary.txt.
You must call stop_profiler at a later point. The profiler is not safe to run twice at once
as it keeps global state internally.
@param prefix The prefix to use when naming the output files.
@param pcts Whether the profiler should add percentages as well.
"""
gevent_profiler.set_stats_output('%s-stats.txt' % prefix)
gevent_profiler.set_summary_output('%s-summary.txt' % prefix)
gevent_profiler.print_percentages(pcts)
gevent_profiler.set_trace_output(None) #'%s-trace.txt' % prefix) @TODO make optional
gevent_profiler.attach()
def __init__(self, datadir: str) -> None:
# create a new file every time instead of overwritting the latest profiling
summary_file = "{:%Y%m%d_%H%M}_profile_summary".format(datetime.now())
stats_file = "{:%Y%m%d_%H%M}_profile_stats".format(datetime.now())
summary_path = os.path.join(datadir, summary_file)
stats_path = os.path.join(datadir, stats_file)
gevent_profiler.set_trace_output(None)
gevent_profiler.set_summary_output(summary_path)
gevent_profiler.set_stats_output(stats_path)
GreenletProfiler.set_clock_type("cpu")
GreenletProfiler.start()
# gevent_profiler.attach()
self.datadir = datadir
def start_profiler(prefix, pcts=False):
"""
Start the gevent-profiler, outputting to the passed prefix-stats and prefix-summary.txt.
You must call stop_profiler at a later point. The profiler is not safe to run twice at once
as it keeps global state internally.
@param prefix The prefix to use when naming the output files.
@param pcts Whether the profiler should add percentages as well.
"""
gevent_profiler.set_stats_output('%s-stats.txt' % prefix)
gevent_profiler.set_summary_output('%s-summary.txt' % prefix)
gevent_profiler.print_percentages(pcts)
gevent_profiler.set_trace_output(
None) #'%s-trace.txt' % prefix) @TODO make optional
gevent_profiler.attach()
def start(self):
if self.profiling:
return
# create a new file every time instead of overwritting the latest profiling
summary_file = '{:%Y%m%d_%H%M}_profile_summary'.format(datetime.now())
stats_file = '{:%Y%m%d_%H%M}_profile_stats'.format(datetime.now())
summary_path = os.path.join(self.datadir, summary_file)
stats_path = os.path.join(self.datadir, stats_file)
gevent_profiler.set_trace_output(None)
gevent_profiler.set_summary_output(summary_path)
gevent_profiler.set_stats_output(stats_path)
GreenletProfiler.set_clock_type('cpu')
GreenletProfiler.start()
# gevent_profiler.attach()
self.profiling = True
def start(self):
if self.profiling:
return
# create a new file every time instead of overwritting the latest profiling
summary_file = '{:%Y%m%d_%H%M}_profile_summary'.format(datetime.now())
stats_file = '{:%Y%m%d_%H%M}_profile_stats'.format(datetime.now())
summary_path = os.path.join(self.datadir, summary_file)
stats_path = os.path.join(self.datadir, stats_file)
gevent_profiler.set_trace_output(None)
gevent_profiler.set_summary_output(summary_path)
gevent_profiler.set_stats_output(stats_path)
GreenletProfiler.set_clock_type('cpu')
GreenletProfiler.start()
# gevent_profiler.attach()
self.profiling = True
from session.regions import run_region_reloader
gevent.spawn(run_region_reloader)
try:
from uwsgidecorators import postfork
except ImportError:
import gevent.monkey
gevent.monkey.patch_all()
init()
else:
init = postfork(init)
from .app import application
if __name__ == '__main__':
import settings
import gevent_profiler
import signal
from gevent.pywsgi import WSGIServer
gevent_profiler.attach_on_signal(signum=signal.SIGUSR1, duration=30)
gevent_profiler.set_stats_output('stats.txt')
gevent_profiler.set_summary_output('summary.txt')
gevent_profiler.set_trace_output('trace.txt')
logger.info('listening %s:%d', settings.SESSION['host'],
settings.SESSION['port'])
WSGIServer((settings.SESSION['host'], settings.SESSION['port']),
application).serve_forever()
def __enter__(self):
gevent_profiler.set_stats_output(self.stats)
gevent_profiler.set_summary_output(self.summary)
gevent_profiler.set_trace_output(None)
gevent_profiler.attach()
def begin(self):
ts = time.time()
gevent_profiler.set_stats_output("nose-gevent-profiler-%s-stats.txt" % ts)
gevent_profiler.set_summary_output("nose-gevent-profiler-%s-summary.txt" % ts)
gevent_profiler.set_trace_output(None)
