Use std::chrono.

6 files changed, 41 insertions, 38 deletions

diff --git a/staging_vespalib/src/tests/clock/clock_benchmark.cpp b/staging_vespalib/src/tests/clock/clock_benchmark.cpp
index a9618d50682..1a4cb20e338 100644
--- a/staging_vespalib/src/tests/clock/clock_benchmark.cpp
+++ b/staging_vespalib/src/tests/clock/clock_benchmark.cpp
@@ -10,7 +10,10 @@
 #include <mutex>
 
 using vespalib::Clock;
-using fastos::TimeStamp;
+using vespalib::steady_time;
+using vespalib::steady_clock;
+using vespalib::duration;
+using vespalib::to_s;
 
 struct UpdateClock {
     virtual ~UpdateClock() {}
@@ -89,12 +92,12 @@ struct Sampler : public SamplerBase {
     { }
     void Run(FastOS_ThreadInterface *, void *) override {
         uint64_t samples;
-        fastos::SteadyTimeStamp prev = _func();
+        steady_time prev = _func();
         for (samples = 0; (samples < _samples); samples++) {
-            fastos::SteadyTimeStamp now = _func();
-            fastos::TimeStamp diff = now - prev;
-            if (diff > 0) prev = now;
-            _count[1 + ((diff == 0) ? 0 : (diff > 0) ? 1 : -1)]++;
+            steady_time now = _func();
+            duration diff = now - prev;
+            if (diff > duration::zero()) prev = now;
+            _count[1 + ((diff == duration::zero()) ? 0 : (diff > duration::zero()) ? 1 : -1)]++;
         }
 
     }
@@ -105,7 +108,7 @@ template<typename Func>
 void benchmark(const char * desc, FastOS_ThreadPool & pool, uint64_t samples, uint32_t numThreads, Func func) {
     std::vector<std::unique_ptr<SamplerBase>> threads;
     threads.reserve(numThreads);
-    fastos::SteadyTimeStamp start = fastos::ClockSteady::now();
+    steady_time start = steady_clock::now();
     for (uint32_t i(0); i < numThreads; i++) {
         SamplerBase * sampler = new Sampler<Func>(func, i);
         sampler->_samples = samples;
@@ -120,7 +123,7 @@ void benchmark(const char * desc, FastOS_ThreadPool & pool, uint64_t samples, ui
             count[i] += sampler->_count[i];
         }
     }
-    printf("%s: Took %ld clock samples in %2.3f with [%ld, %ld, %ld] counts\n", desc, samples, (fastos::ClockSteady::now() - start).sec(), count[0], count[1], count[2]);
+    printf("%s: Took %ld clock samples in %2.3f with [%ld, %ld, %ld] counts\n", desc, samples, to_s(steady_clock ::now() - start), count[0], count[1], count[2]);
 }
 
 int
@@ -146,26 +149,26 @@ main(int , char *argv[])
         return clock.getTimeNSAssumeRunning();
     });
     benchmark("uint64_t", pool, samples, numThreads, [&nsValue]() {
-        return fastos::SteadyTimeStamp(nsValue._value) ;
+        return steady_time (duration(nsValue._value));
     });
     benchmark("volatile uint64_t", pool, samples, numThreads, [&nsVolatile]() {
-        return fastos::SteadyTimeStamp(nsVolatile._value) ;
+        return steady_time(duration(nsVolatile._value));
     });
     benchmark("memory_order_relaxed", pool, samples, numThreads, [&nsAtomic]() {
-        return fastos::SteadyTimeStamp(nsAtomic._value.load(std::memory_order_relaxed)) ;
+        return steady_time(duration(nsAtomic._value.load(std::memory_order_relaxed)));
     });
     benchmark("memory_order_consume", pool, samples, numThreads, [&nsAtomic]() {
-        return fastos::SteadyTimeStamp(nsAtomic._value.load(std::memory_order_consume)) ;
+        return steady_time(duration(nsAtomic._value.load(std::memory_order_consume)));
     });
     benchmark("memory_order_acquire", pool, samples, numThreads, [&nsAtomic]() {
-        return fastos::SteadyTimeStamp(nsAtomic._value.load(std::memory_order_acquire)) ;
+        return steady_time(duration(nsAtomic._value.load(std::memory_order_acquire)));
     });
     benchmark("memory_order_seq_cst", pool, samples, numThreads, [&nsAtomic]() {
-        return fastos::SteadyTimeStamp(nsAtomic._value.load(std::memory_order_seq_cst)) ;
+        return steady_time(duration(nsAtomic._value.load(std::memory_order_seq_cst)));
     });
 
-    benchmark("fastos::ClockSteady::now()", pool, samples, numThreads, []() {
-        return fastos::ClockSteady::now();
+    benchmark("vespalib::steady_time::now()", pool, samples, numThreads, []() {
+        return steady_clock::now();
     });
 
     pool.Close();
diff --git a/staging_vespalib/src/tests/clock/clock_test.cpp b/staging_vespalib/src/tests/clock/clock_test.cpp
index b5650244a45..4a06787fce5 100644
--- a/staging_vespalib/src/tests/clock/clock_test.cpp
+++ b/staging_vespalib/src/tests/clock/clock_test.cpp
@@ -2,11 +2,11 @@
 
 #include <vespa/vespalib/testkit/testapp.h>
 #include <vespa/vespalib/util/clock.h>
-#include <vespa/vespalib/util/time.h>
 #include <vespa/fastos/thread.h>
 
 using vespalib::Clock;
-using fastos::TimeStamp;
+using vespalib::duration;
+using vespalib::steady_time;
 
 
 TEST("Test that clock is ticking forward") {
@@ -14,15 +14,15 @@ TEST("Test that clock is ticking forward") {
     Clock clock(0.050);
     FastOS_ThreadPool pool(0x10000);
     ASSERT_TRUE(pool.NewThread(clock.getRunnable(), nullptr) != nullptr);
-    fastos::SteadyTimeStamp start = clock.getTimeNS();
+    steady_time start = clock.getTimeNS();
     std::this_thread::sleep_for(5s);
-    fastos::SteadyTimeStamp stop = clock.getTimeNS();
+    steady_time stop = clock.getTimeNS();
     EXPECT_TRUE(stop > start);
     std::this_thread::sleep_for(6s);
     clock.stop();
-    fastos::SteadyTimeStamp stop2 = clock.getTimeNS();
+    steady_time stop2 = clock.getTimeNS();
     EXPECT_TRUE(stop2 > stop);
-    EXPECT_TRUE((stop2 - stop)/TimeStamp::MICRO > 1000);
+    EXPECT_TRUE(vespalib::count_ms(stop2 - stop) > 1000);
 }
 
 TEST_MAIN() { TEST_RUN_ALL(); }
\ No newline at end of file
diff --git a/staging_vespalib/src/vespa/vespalib/util/clock.cpp b/staging_vespalib/src/vespa/vespalib/util/clock.cpp
index cd2a13029ab..0a7f89781e8 100644
--- a/staging_vespalib/src/vespa/vespalib/util/clock.cpp
+++ b/staging_vespalib/src/vespa/vespalib/util/clock.cpp
@@ -80,7 +80,7 @@ Clock::~Clock()
 
 void Clock::setTime() const
 {
-    _timeNS.store(fastos::ClockSteady::now() - fastos::SteadyTimeStamp::ZERO, std::memory_order_relaxed);
+    _timeNS.store(count_ns(steady_clock::now().time_since_epoch()), std::memory_order_relaxed);
 }
 
 void
diff --git a/staging_vespalib/src/vespa/vespalib/util/clock.h b/staging_vespalib/src/vespa/vespalib/util/clock.h
index e9e1ebace3f..d506b0c7e16 100644
--- a/staging_vespalib/src/vespa/vespalib/util/clock.h
+++ b/staging_vespalib/src/vespa/vespalib/util/clock.h
@@ -1,7 +1,7 @@
 // Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 #pragma once
 
-#include <vespa/fastos/timestamp.h>
+#include <vespa/vespalib/util/time.h>
 #include <atomic>
 #include <memory>
 
@@ -31,14 +31,14 @@ public:
     Clock(double timePeriod=0.100);
     ~Clock();
 
-    fastos::SteadyTimeStamp getTimeNS() const {
+    vespalib::steady_time getTimeNS() const {
         if (!_running) {
             setTime();
         }
         return getTimeNSAssumeRunning();
     }
-    fastos::SteadyTimeStamp getTimeNSAssumeRunning() const {
-        return fastos::SteadyTimeStamp(_timeNS.load(std::memory_order_relaxed));
+    vespalib::steady_time getTimeNSAssumeRunning() const {
+        return vespalib::steady_time(std::chrono::nanoseconds(_timeNS.load(std::memory_order_relaxed)));
     }
 
     void stop();
diff --git a/staging_vespalib/src/vespa/vespalib/util/doom.cpp b/staging_vespalib/src/vespa/vespalib/util/doom.cpp
index 87b24799721..329f4cad913 100644
--- a/staging_vespalib/src/vespa/vespalib/util/doom.cpp
+++ b/staging_vespalib/src/vespa/vespalib/util/doom.cpp
@@ -4,8 +4,8 @@
 
 namespace vespalib {
 
-Doom::Doom(const vespalib::Clock &clock, fastos::SteadyTimeStamp softDoom,
-           fastos::SteadyTimeStamp hardDoom, bool explicitSoftDoom)
+Doom::Doom(const vespalib::Clock &clock, steady_time softDoom,
+           steady_time hardDoom, bool explicitSoftDoom)
     : _clock(clock),
       _softDoom(softDoom),
       _hardDoom(hardDoom),
diff --git a/staging_vespalib/src/vespa/vespalib/util/doom.h b/staging_vespalib/src/vespa/vespalib/util/doom.h
index d85c3dc9084..dc3d124fc71 100644
--- a/staging_vespalib/src/vespa/vespalib/util/doom.h
+++ b/staging_vespalib/src/vespa/vespalib/util/doom.h
@@ -8,22 +8,22 @@ namespace vespalib {
 
 class Doom {
 public:
-    Doom(const vespalib::Clock &clock, fastos::SteadyTimeStamp doom)
+    Doom(const Clock &clock, steady_time doom)
         : Doom(clock, doom, doom, false)
     {}
-    Doom(const vespalib::Clock &clock, fastos::SteadyTimeStamp softDoom,
-         fastos::SteadyTimeStamp hardDoom, bool explicitSoftDoom);
+    Doom(const Clock &clock, vespalib::steady_time softDoom,
+         steady_time hardDoom, bool explicitSoftDoom);
 
     bool soft_doom() const { return (_clock.getTimeNSAssumeRunning() > _softDoom); }
     bool hard_doom() const { return (_clock.getTimeNSAssumeRunning() > _hardDoom); }
-    fastos::TimeStamp soft_left() const { return _softDoom - _clock.getTimeNS(); }
-    fastos::TimeStamp hard_left() const { return _hardDoom - _clock.getTimeNS(); }
+    duration soft_left() const { return _softDoom - _clock.getTimeNS(); }
+    duration hard_left() const { return _hardDoom - _clock.getTimeNS(); }
     bool isExplicitSoftDoom() const { return _isExplicitSoftDoom; }
 private:
-    const vespalib::Clock   &_clock;
-    fastos::SteadyTimeStamp  _softDoom;
-    fastos::SteadyTimeStamp  _hardDoom;
-    bool                     _isExplicitSoftDoom;
+    const Clock   &_clock;
+    steady_time    _softDoom;
+    steady_time    _hardDoom;
+    bool           _isExplicitSoftDoom;
 };
 
 }