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[core] Log Memory.Footprint test results (#8170)

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* Log Memory.Footprint test output

* On CI, only run Memory.Footprint test with libjemalloc
This commit is contained in:
Anand Thakker
2017-02-28 14:11:35 -08:00
committed by GitHub
parent f8766f704a
commit 4b81c924cc
6 changed files with 215 additions and 30 deletions
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54
test/util/memory.test.cpp
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@@ -1,4 +1,5 @@
#include <mbgl/test/stub_file_source.hpp>
#include <mbgl/test/getrss.hpp>
#include <mbgl/test/util.hpp>
#include <mbgl/map/map.hpp>
@@ -21,29 +22,6 @@
using namespace mbgl;
using namespace std::literals::string_literals;
long getRSS() {
auto statm = util::read_file("/proc/self/statm");
std::vector<std::string> stats;
std::istringstream stream(statm);
std::copy(std::istream_iterator<std::string>(stream),
std::istream_iterator<std::string>(),
std::back_inserter(stats));
return std::stol(stats[1]) * getpagesize();
}
bool isUsingJemalloc() {
const char* preload = getenv("LD_PRELOAD");
if (preload) {
return std::string(preload).find("libjemalloc.so") != std::string::npos;
} else {
return false;
}
}
class MemoryTest {
public:
MemoryTest() {
@@ -109,16 +87,31 @@ TEST(Memory, Raster) {
test::render(map, test.view);
}
/**
On CI, we only run the memory footprint test in the Qt build, because it uses
jemalloc, which yields more consistent memory usage results. To force it to
run locally, use `DO_MEMORY_FOOTPRINT=1 make run-test-Memory.Footprint.
*/
bool shouldRunFootprint() {
const char* preload = getenv("LD_PRELOAD");
if (preload) {
return std::string(preload).find("libjemalloc.so") != std::string::npos;
} else {
return getenv("DO_MEMORY_FOOTPRINT");
}
}
// This test will measure the size of a Map object
// after rendering a raster and a vector style. The
// idea is to try to keep the memory footprint within
// reasonable limits, so this test acts more like a
// safeguard.
TEST(Memory, Footprint) {
if (!isUsingJemalloc()) {
if (!shouldRunFootprint()) {
return;
}
MemoryTest test;
auto renderMap = [&](Map& map, const char* style){
@@ -141,7 +134,7 @@ TEST(Memory, Footprint) {
std::vector<std::unique_ptr<Map>> maps;
unsigned runs = 15;
long vectorInitialRSS = getRSS();
long vectorInitialRSS = mbgl::test::getCurrentRSS();
for (unsigned i = 0; i < runs; ++i) {
auto vector = std::make_unique<Map>(test.backend, Size{ 256, 256 }, 2, test.fileSource,
test.threadPool, MapMode::Still);
@@ -149,9 +142,9 @@ TEST(Memory, Footprint) {
maps.push_back(std::move(vector));
};
double vectorFootprint = (getRSS() - vectorInitialRSS) / double(runs);
double vectorFootprint = (mbgl::test::getCurrentRSS() - vectorInitialRSS) / double(runs);
long rasterInitialRSS = getRSS();
long rasterInitialRSS = mbgl::test::getCurrentRSS();
for (unsigned i = 0; i < runs; ++i) {
auto raster = std::make_unique<Map>(test.backend, Size{ 256, 256 }, 2, test.fileSource,
test.threadPool, MapMode::Still);
@@ -159,7 +152,10 @@ TEST(Memory, Footprint) {
maps.push_back(std::move(raster));
};
double rasterFootprint = (getRSS() - rasterInitialRSS) / double(runs);
double rasterFootprint = (mbgl::test::getCurrentRSS() - rasterInitialRSS) / double(runs);
RecordProperty("vectorFootprint", vectorFootprint);
RecordProperty("rasterFootprint", rasterFootprint);
ASSERT_LT(vectorFootprint, 65 * 1024 * 1024) << "\
mbgl::Map footprint over 65MB for vector styles.";