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testmem.cpp
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/*
* Copyright (C) 2018 Apple Inc. All rights reserved.
* Copyright (C) 2023 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#
include
"
config.h
"
#
include
<
JavaScriptCore/JSBase.h
>
#
include
<
JavaScriptCore/JSContextRef.h
>
#
include
<
JavaScriptCore/JSStringRef.h
>
#
include
<
inttypes.h
>
#
include
<
optional
>
#
include
<
stdio.h
>
#
include
<
sys/time.h
>
#
include
<
vector
>
#
include
<
wtf/MonotonicTime.h
>
#
include
<
wtf/text/StringToIntegerConversion.h
>
#
if
PLATFORM(PLAYSTATION)
#
include
<
memory-extra/showmap.h
>
#
endif
static
void
description
()
{
printf
(
"
usage
\n
testmem <path-to-file-to-run> [iterations]
\n
"
);
}
struct
Footprint
{
uint64_t
current;
uint64_t
peak;
static
std::optional<Footprint>
now
()
{
#
if
PLATFORM(PLAYSTATION)
memory_extra::showmap::Result<
4
> result;
auto
* entry = result.
entry
(
"
SceNKFastMalloc
"
);
result.
collect
();
return
Footprint {
static_cast
<
uint64_t
>(entry->
rss
),
static_cast
<
uint64_t
>(entry->
vss
)
};
#
else
#
error
"No testmem implementation for this platform."
#
endif
}
};
static
JSStringRef
readScript
(
const
char
* path)
{
FILE
* file =
fopen
(path,
"
r
"
);
if
(!file)
return
nullptr
;
fseek
(file,
0
,
SEEK_END
);
auto
length =
ftell
(file);
fseek
(file,
0
,
SEEK_SET
);
std::vector<
char
>
buffer
(length +
1
);
fread
(buffer.
data
(), length,
1
, file);
buffer[length] =
0
;
fclose
(file);
return
JSStringCreateWithUTF8CString
(buffer.
data
());
}
int
main
(
int
argc,
char
* argv[])
{
if
(argc <
2
) {
description
();
exit
(
1
);
}
size_t
iterations =
20
;
if
(argc >=
3
) {
int
iters = parseInteger<
int
>(
unsafeSpan
(argv[
2
])).
value_or
(
0
);
if
(iters <
0
) {
printf
(
"
Iterations argument must be >= 0
"
);
exit
(
1
);
}
iterations = iters;
}
const
char
* path = argv[
1
];
auto
script =
readScript
(path);
if
(!script) {
printf
(
"
Can't open file: %s
\n
"
, path);
exit
(
1
);
}
auto
sourceURL =
JSStringCreateWithUTF8CString
(path);
auto
startTime =
MonotonicTime::now
();
JSContextGroupRef group =
JSContextGroupCreate
();
for
(
size_t
i =
0
; i < iterations; ++i) {
JSGlobalContextRef context =
JSGlobalContextCreateInGroup
(group,
nullptr
);
JSValueRef exception =
nullptr
;
JSEvaluateScript
(context, script,
nullptr
, sourceURL,
0
, &exception);
if
(exception) {
printf
(
"
Unexpected exception thrown
\n
"
);
exit
(
1
);
}
JSGlobalContextRelease
(context);
}
auto
time =
MonotonicTime::now
() - startTime;
if
(
auto
footprint =
Footprint::now
()) {
printf
(
"
time: %lf
\n
"
, time.
seconds
());
//
Seconds
printf
(
"
peak footprint: %
"
PRIu64
"
\n
"
, footprint->
peak
);
//
Bytes
printf
(
"
footprint at end: %
"
PRIu64
"
\n
"
, footprint->
current
);
//
Bytes
}
else
{
printf
(
"
Failure when calling rusage
\n
"
);
exit
(
1
);
}
return
0
;
}
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