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#include <chrono>
#include <iostream>
#include <thread>
#include "caffe2/core/stats.h"
#include <gtest/gtest.h>
namespace caffe2 {
namespace {
struct MyCaffeClass {
explicit MyCaffeClass(const std::string& name) : stats_(name) {}
void tryRun(int) {}
void run(int numRuns) {
try {
CAFFE_EVENT(stats_, num_runs, numRuns);
tryRun(numRuns);
CAFFE_EVENT(stats_, num_successes);
} catch (std::exception& e) {
CAFFE_EVENT(stats_, num_failures, 1, "arg_to_usdt", e.what());
}
CAFFE_EVENT(stats_, usdt_only, 1, "arg_to_usdt");
}
private:
struct MyStats {
// NOLINTNEXTLINE(modernize-pass-by-value)
CAFFE_STAT_CTOR(MyStats);
CAFFE_EXPORTED_STAT(num_runs);
CAFFE_EXPORTED_STAT(num_successes);
CAFFE_EXPORTED_STAT(num_failures);
CAFFE_STAT(usdt_only);
} stats_;
};
ExportedStatMap filterMap(
const ExportedStatMap& map,
const ExportedStatMap& keys) {
ExportedStatMap filtered;
for (const auto& kv : map) {
if (keys.count(kv.first) > 0) {
filtered.insert(kv);
}
}
return filtered;
}
#define EXPECT_SUBSET(map, sub) EXPECT_EQ(filterMap((map), (sub)), (sub))
TEST(StatsTest, StatsTestClass) {
MyCaffeClass a("first");
MyCaffeClass b("second");
for (int i = 0; i < 10; ++i) {
a.run(10);
b.run(5);
}
EXPECT_SUBSET(
ExportedStatMap({
{"first/num_runs", 100},
{"first/num_successes", 10},
{"first/num_failures", 0},
{"second/num_runs", 50},
{"second/num_successes", 10},
{"second/num_failures", 0},
}),
toMap(StatRegistry::get().publish()));
}
TEST(StatsTest, StatsTestDuration) {
struct TestStats {
// NOLINTNEXTLINE(modernize-pass-by-value)
CAFFE_STAT_CTOR(TestStats);
CAFFE_STAT(count);
CAFFE_AVG_EXPORTED_STAT(time_ns);
};
TestStats stats("stats");
CAFFE_DURATION(stats, time_ns) {
std::this_thread::sleep_for(std::chrono::microseconds(1));
}
ExportedStatList data;
StatRegistry::get().publish(data);
auto map = toMap(data);
auto countIt = map.find("stats/time_ns/count");
auto sumIt = map.find("stats/time_ns/sum");
EXPECT_TRUE(countIt != map.end() && sumIt != map.end());
EXPECT_EQ(countIt->second, 1);
EXPECT_GT(sumIt->second, 0);
}
TEST(StatsTest, StatsTestSimple) {
struct TestStats {
// NOLINTNEXTLINE(modernize-pass-by-value)
CAFFE_STAT_CTOR(TestStats);
CAFFE_STAT(s1);
CAFFE_STAT(s2);
CAFFE_EXPORTED_STAT(s3);
};
TestStats i1("i1");
TestStats i2("i2");
CAFFE_EVENT(i1, s1);
CAFFE_EVENT(i1, s2);
CAFFE_EVENT(i1, s3, 1);
CAFFE_EVENT(i1, s3, -1);
CAFFE_EVENT(i2, s3, 2);
ExportedStatList data;
StatRegistry::get().publish(data);
EXPECT_SUBSET(toMap(data), ExportedStatMap({{"i1/s3", 0}, {"i2/s3", 2}}));
StatRegistry reg2;
reg2.update(data);
reg2.update(data);
EXPECT_SUBSET(
toMap(reg2.publish(true)), ExportedStatMap({{"i1/s3", 0}, {"i2/s3", 4}}));
EXPECT_SUBSET(
toMap(reg2.publish()), ExportedStatMap({{"i1/s3", 0}, {"i2/s3", 0}}));
}
TEST(StatsTest, StatsTestStatic) {
struct TestStats {
// NOLINTNEXTLINE(modernize-pass-by-value)
CAFFE_STAT_CTOR(TestStats);
CAFFE_STATIC_STAT(cpuUsage);
CAFFE_STATIC_STAT(memUsage);
};
TestStats i1("i1");
TestStats i2("i2");
CAFFE_EVENT(i1, cpuUsage, 95);
CAFFE_EVENT(i2, memUsage, 80);
ExportedStatList data;
StatRegistry::get().publish(data);
EXPECT_SUBSET(
toMap(data), ExportedStatMap({{"i1/cpuUsage", 95}, {"i2/memUsage", 80}}));
CAFFE_EVENT(i1, cpuUsage, 80);
CAFFE_EVENT(i1, memUsage, 50);
CAFFE_EVENT(i2, memUsage, 90);
StatRegistry::get().publish(data);
EXPECT_SUBSET(
toMap(data),
ExportedStatMap(
{{"i1/cpuUsage", 80}, {"i1/memUsage", 50}, {"i2/memUsage", 90}}));
}
} // namespace
} // namespace caffe2
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