Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: v1309
Fetching contributors…

Cannot retrieve contributors at this time

133 lines (109 sloc) 3.438 kb
/*
Copyright © 2011 MLstate
This file is part of OPA.
OPA is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License, version 3, as published by
the Free Software Foundation.
OPA is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
more details.
You should have received a copy of the GNU Affero General Public License
along with OPA. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Adam Koprowski, April 2010
*
*
* {1 About this module}
*
* A simple module for pseudo-profiling; allows to call functions,
* measuring execution time and printing summary in the end.
*
* {1 Where should I start?}
*
* {1 What if I need more?}
*/
/**
* {1 Server_profiler interface}
*/
/**
* Perform profiling on the server
*/
Server_profiler = {{
@private
@server
data = Reference.create(StringMap.empty : stringmap((int, Duration.duration)))
init() =
Reference.set(data, StringMap.empty)
execute(f, label) =
t_beg = Date.now()
res = f()
t_end = Date.now()
old_data = Reference.get(data)
execution_time = Date.between(t_beg, t_end)
(c, t) = StringMap.get(label, old_data) ? (0, Duration.empty)
new_entry = (c + 1, Duration.add(t, execution_time))
new_data = StringMap.add(label, new_entry, old_data)
do Reference.set(data, new_data)
res
summarize() =
show(label, (c, t)) =
print("[{label}]: called {c}x, time: {Duration.to_string(t)}\n")
StringMap.iter(show, Reference.get(data))
}}
/*
/**
* Perform profiling on the client
*/
client Client_profiler = {{
data = Client_reference.create(StringMap.empty : stringmap((int, Duration.duration)))
init() =
Client_reference.set(data, StringMap.empty)
execute(f, label) =
t_beg = Date.now()
res = f()
t_end = Date.now()
old_data = Client_reference.get(data)
execution_time = Date.between(t_beg, t_end)
(c, t) = StringMap.get(label, old_data) ? (0, Duration.empty)
new_entry = (c + 1, Duration.add(t, execution_time))
new_data = StringMap.add(label, new_entry, old_data)
do Client_reference.set(data, new_data)
res
summarize() =
show(label, (c, t)) =
print("[{label}]: called {c}x, time: {Duration.short_string_of(t)}\n")
StringMap.iter(show, Client_reference.get(data))
}}
*/
/**
* {1 Profile interface}
*/
/**
* [Profile] helps to monitor function execution time
*/
/*
* TODO fix the previous module and merge with this one
*/
Profile = {{
/** [measure(n)(f)] returns a pair: f() and the float representing the number of
seconds needed to execute f, n times. The timing information should have
better than millisecond precision, hence making it suitable for execution
profiling. */
measure(n)(f)=
get_time = %%BslTime.get_accurate_time%% : -> float
t_beg = get_time()
rec aux(n, v) =
if n == 0 then
t_end = get_time()
(t_end - t_beg, v)
else
aux(n-1, f())
aux(n-1, f())
/** [instrument(n,report)(f)] returns the value of f() and call report with the time needed to execute f, n times */
instrument(n, report)(f)=
(t, r) = measure(n)(f)
do report(t) : void
r
}}
Jump to Line
Something went wrong with that request. Please try again.