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//===-- BuildSystemPerfTests.mm -------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2015 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#import "llbuild/Basic/Subprocess.h"
#import "llbuild/Commands/Commands.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#import <XCTest/XCTest.h>
extern "C" {
// Provided by System.framework's libsystem_kernel interface
extern int __pthread_fchdir(int fd);
}
using namespace llbuild;
using namespace llbuild::basic;
@interface BuildSystemPerfTests : XCTestCase
@end
API_UNAVAILABLE(ios, tvos, watchos)
static void ExecuteShellCommand(const char *String) {
NSLog(@"running shell command: %s", String);
int Result = system(String);
if (Result != 0) {
NSLog(@"... command returned error: %d", Result);
// FIXME: Raise proper error.
abort();
}
}
@implementation BuildSystemPerfTests
- (void)testChromiumFakeBuildFileLoading API_UNAVAILABLE(ios, tvos, watchos) {
// Test the build file parsing/loading time for the Chromium fake build file.
// Create a sandbox to run the test in.
NSString *inputsDir = [@(SRCROOT)
stringByAppendingPathComponent:@"perftests/Inputs"];
NSString *sandboxDir = [@(TEST_TEMPS_PATH)
stringByAppendingPathComponent:@"ChromiumFakeBuildFileLoading"];
NSLog(@"executing test using inputs: %@", inputsDir);
NSLog(@"executing test using sandbox: %@", sandboxDir);
ExecuteShellCommand([NSString stringWithFormat:@"rm -rf \"%@\"",
sandboxDir].UTF8String);
ExecuteShellCommand([NSString stringWithFormat:@"mkdir -p \"%@\"",
sandboxDir].UTF8String);
NSString *buildFilePath = [sandboxDir
stringByAppendingPathComponent:@"chromium-fake-manifest.llbuild"];
ExecuteShellCommand([NSString
stringWithFormat:@"cp \"%@\"/chromium-fake-manifest.llbuild.gz \"%@.gz\"",
inputsDir, buildFilePath].UTF8String);
ExecuteShellCommand([NSString
stringWithFormat:@"gzip -d \"%@.gz\"", buildFilePath].UTF8String);
printf("performing parse --no-output test...\n");
[self measureBlock:^{
llbuild::commands::executeBuildSystemCommand({
"parse", "--no-output", buildFilePath.UTF8String });
}];
}
class PerfTestProcessDelegate : public ProcessDelegate {
void processStarted(ProcessContext*, ProcessHandle, llbuild_pid_t) {}
void processHadError(ProcessContext*, ProcessHandle, const Twine&) {}
void processHadOutput(ProcessContext*, ProcessHandle, StringRef) {}
void processFinished(ProcessContext*, ProcessHandle, const ProcessResult&) {}
};
- (void)testSupprocessSpawn {
[self measureBlock:^{
PerfTestProcessDelegate delegate;
ProcessAttributes attr{true};
ProcessGroup pgrp;
ProcessHandle handle{0};
std::vector<StringRef> cmd({"/usr/bin/true"});
POSIXEnvironment environment;
for (int i = 0; i < 200; i++) {
ProcessReleaseFn releaseFn = [](std::function<void()>&& pwait){ pwait(); };
ProcessCompletionFn completionFn = [](ProcessResult){};
spawnProcess(delegate, nullptr, pgrp, handle, cmd, environment, attr, std::move(releaseFn), std::move(completionFn));
}
}];
}
- (void)testSupprocessSpawnWorkingDirectory {
[self measureBlock:^{
PerfTestProcessDelegate delegate;
ProcessAttributes attr{true, false, "/tmp"};
ProcessGroup pgrp;
ProcessHandle handle{0};
std::vector<StringRef> cmd({"/usr/bin/true"});
POSIXEnvironment environment;
for (int i = 0; i < 200; i++) {
ProcessReleaseFn releaseFn = [](std::function<void()>&& pwait){ pwait(); };
ProcessCompletionFn completionFn = [](ProcessResult){};
spawnProcess(delegate, nullptr, pgrp, handle, cmd, environment, attr, std::move(releaseFn), std::move(completionFn));
}
}];
// Reset (remove) per-thread working directory in case it was set by the
// above process spawning.
__pthread_fchdir(-1);
}
@end
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