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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "src/profiling/common/profiler_guardrails.h"
#include <unistd.h>
#include <cinttypes>
#include <map>
#include "perfetto/ext/base/file_utils.h"
#include "perfetto/ext/base/optional.h"
#include "perfetto/ext/base/temp_file.h"
#include "test/gtest_and_gmock.h"
namespace perfetto {
namespace profiling {
namespace {
TEST(ProfilerCpuGuardrailsTest, Exceeded) {
const auto clk = static_cast<unsigned long>(sysconf(_SC_CLK_TCK));
base::TempFile f = base::TempFile::CreateUnlinked();
constexpr const char stat[] =
"2965981 (zsh) S 2965977 2965981 2965981 34822 2966607 4194304 6632 6697 "
"0 0 1000000 6000000 4 1 20 0 1 0 227163466 15839232 2311 "
"18446744073709551615 "
"94823961161728 94823961762781 140722993535472 0 0 0 2 3686400 134295555 "
"0 0 0 17 2 0 0 0 0 0 94823961905904 94823961935208 94823993954304 "
"140722993543678 140722993543691 140722993543691 140722993545195 0";
base::WriteAll(f.fd(), stat, sizeof(stat));
ASSERT_NE(lseek(f.fd(), 0, SEEK_SET), -1);
ProfilerCpuGuardrails gr(f.ReleaseFD());
GuardrailConfig gc;
gc.cpu_guardrail_sec = 5000000 / clk;
gc.cpu_start_secs = 1000000 / clk;
EXPECT_TRUE(gr.IsOverCpuThreshold(gc));
}
TEST(ProfilerCpuGuardrailsTest, NotExceeded) {
const auto clk = static_cast<unsigned long>(sysconf(_SC_CLK_TCK));
base::TempFile f = base::TempFile::CreateUnlinked();
constexpr const char stat[] =
"2965981 (zsh) S 2965977 2965981 2965981 34822 2966607 4194304 6632 6697 "
"0 0 1000000 6000000 4 1 20 0 1 0 227163466 15839232 2311 "
"18446744073709551615 "
"94823961161728 94823961762781 140722993535472 0 0 0 2 3686400 134295555 "
"0 0 0 17 2 0 0 0 0 0 94823961905904 94823961935208 94823993954304 "
"140722993543678 140722993543691 140722993543691 140722993545195 0";
base::WriteAll(f.fd(), stat, sizeof(stat));
ASSERT_NE(lseek(f.fd(), 0, SEEK_SET), -1);
ProfilerCpuGuardrails gr(f.ReleaseFD());
GuardrailConfig gc;
gc.cpu_guardrail_sec = 7000000 / clk;
gc.cpu_start_secs = 1000000 / clk;
EXPECT_FALSE(gr.IsOverCpuThreshold(gc));
}
TEST(ProfilerMemoryGuardrailsTest, Exceeded) {
base::TempFile f = base::TempFile::CreateUnlinked();
constexpr const char status[] =
"VmPeak:\t 5432 kB\n"
"VmSize:\t 5432 kB\n"
"VmLck:\t 0 kB\n"
"VmPin:\t 0 kB\n"
"VmHWM:\t 584 kB\n"
"VmRSS:\t 80 kB\n"
"RssAnon:\t 68 kB\n"
"RssFile:\t 516 kB\n"
"RssShmem:\t 0 kB\n"
"VmData:\t 316 kB\n"
"VmStk:\t 132 kB\n"
"VmExe:\t 20 kB\n"
"VmLib:\t 1460 kB\n"
"VmPTE:\t 44 kB\n"
"VmSwap:\t 10 kB\n";
base::WriteAll(f.fd(), status, sizeof(status));
ASSERT_NE(lseek(f.fd(), 0, SEEK_SET), -1);
ProfilerMemoryGuardrails gr(f.ReleaseFD());
GuardrailConfig gc;
gc.memory_guardrail_kb = 77;
EXPECT_TRUE(gr.IsOverMemoryThreshold(gc));
}
TEST(ProfilerMemoryGuardrailsTest, NotExceeded) {
base::TempFile f = base::TempFile::CreateUnlinked();
constexpr const char status[] =
"VmPeak:\t 5432 kB\n"
"VmSize:\t 5432 kB\n"
"VmLck:\t 0 kB\n"
"VmPin:\t 0 kB\n"
"VmHWM:\t 584 kB\n"
"VmRSS:\t 80 kB\n"
"RssAnon:\t 68 kB\n"
"RssFile:\t 516 kB\n"
"RssShmem:\t 0 kB\n"
"VmData:\t 316 kB\n"
"VmStk:\t 132 kB\n"
"VmExe:\t 20 kB\n"
"VmLib:\t 1460 kB\n"
"VmPTE:\t 44 kB\n"
"VmSwap:\t 10 kB\n";
base::WriteAll(f.fd(), status, sizeof(status));
ASSERT_NE(lseek(f.fd(), 0, SEEK_SET), -1);
ProfilerMemoryGuardrails gr(f.ReleaseFD());
GuardrailConfig gc;
gc.memory_guardrail_kb = 100;
EXPECT_FALSE(gr.IsOverMemoryThreshold(gc));
}
} // namespace
} // namespace profiling
} // namespace perfetto
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