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/*
* Copyright (C) 2023 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 <gtest/gtest.h>
#include "event_selection_set.h"
using namespace simpleperf;
// @CddTest = 6.1/C-0-2
TEST(EventSelectionSet, set_sample_rate_for_new_events) {
EventSelectionSet event_selection_set(false);
ASSERT_TRUE(event_selection_set.AddEventType("cpu-clock:u"));
event_selection_set.SetSampleRateForNewEvents(SampleRate(100, 0));
ASSERT_TRUE(event_selection_set.AddEventType("page-faults:u"));
event_selection_set.SetSampleRateForNewEvents(SampleRate(200, 0));
ASSERT_TRUE(event_selection_set.AddEventGroup({"context-switches:u", "task-clock:u"}));
EventAttrIds attrs = event_selection_set.GetEventAttrWithId();
ASSERT_EQ(attrs.size(), 4);
ASSERT_EQ(GetEventNameByAttr(attrs[0].attr), "cpu-clock:u");
ASSERT_EQ(attrs[0].attr.freq, 1);
ASSERT_EQ(attrs[0].attr.sample_freq, 100);
ASSERT_EQ(GetEventNameByAttr(attrs[1].attr), "page-faults:u");
ASSERT_EQ(attrs[1].attr.freq, 1);
ASSERT_EQ(attrs[1].attr.sample_freq, 100);
ASSERT_EQ(GetEventNameByAttr(attrs[2].attr), "context-switches:u");
ASSERT_EQ(attrs[2].attr.freq, 1);
ASSERT_EQ(attrs[2].attr.sample_freq, 200);
ASSERT_EQ(GetEventNameByAttr(attrs[3].attr), "task-clock:u");
ASSERT_EQ(attrs[3].attr.freq, 1);
ASSERT_EQ(attrs[3].attr.sample_freq, 200);
}
// @CddTest = 6.1/C-0-2
TEST(EventSelectionSet, add_event_with_sample_rate) {
EventSelectionSet event_selection_set(false);
ASSERT_TRUE(event_selection_set.AddEventType("cpu-clock:u"));
ASSERT_TRUE(event_selection_set.AddEventType("context-switches", SampleRate(0, 1)));
EventAttrIds attrs = event_selection_set.GetEventAttrWithId();
ASSERT_EQ(attrs.size(), 2);
ASSERT_EQ(GetEventNameByAttr(attrs[0].attr), "cpu-clock:u");
ASSERT_EQ(attrs[0].attr.freq, 1);
ASSERT_EQ(attrs[0].attr.sample_freq, 4000);
ASSERT_EQ(GetEventNameByAttr(attrs[1].attr), "context-switches");
ASSERT_EQ(attrs[1].attr.freq, 0);
ASSERT_EQ(attrs[1].attr.sample_period, 1);
}
// @CddTest = 6.1/C-0-2
TEST(EventSelectionSet, set_cpus_for_new_events) {
EventSelectionSet event_selection_set(false);
std::vector<int> online_cpus = GetOnlineCpus();
ASSERT_FALSE(online_cpus.empty());
ASSERT_TRUE(event_selection_set.AddEventType("cpu-clock:u"));
event_selection_set.SetCpusForNewEvents({online_cpus[0]});
ASSERT_TRUE(event_selection_set.AddEventType("page-faults:u"));
event_selection_set.SetCpusForNewEvents({online_cpus.back()});
ASSERT_TRUE(event_selection_set.AddEventGroup({"context-switches:u", "task-clock:u"}));
event_selection_set.AddMonitoredThreads({gettid()});
ASSERT_TRUE(event_selection_set.OpenEventFiles());
std::unordered_map<uint64_t, int> id_to_cpu = event_selection_set.GetCpusById();
auto get_cpu = [&](int id) {
if (auto it = id_to_cpu.find(id); it != id_to_cpu.end()) {
return it->second;
}
return -2;
};
EventAttrIds attrs = event_selection_set.GetEventAttrWithId();
ASSERT_EQ(attrs.size(), 4);
ASSERT_EQ(GetEventNameByAttr(attrs[0].attr), "cpu-clock:u");
ASSERT_EQ(attrs[0].ids.size(), 1);
ASSERT_EQ(get_cpu(attrs[0].ids[0]), online_cpus[0]);
ASSERT_EQ(GetEventNameByAttr(attrs[1].attr), "page-faults:u");
ASSERT_EQ(attrs[1].ids.size(), 1);
ASSERT_EQ(get_cpu(attrs[1].ids[0]), online_cpus[0]);
ASSERT_EQ(GetEventNameByAttr(attrs[2].attr), "context-switches:u");
ASSERT_EQ(attrs[2].ids.size(), 1);
ASSERT_EQ(get_cpu(attrs[2].ids[0]), online_cpus.back());
ASSERT_EQ(GetEventNameByAttr(attrs[3].attr), "task-clock:u");
ASSERT_EQ(attrs[3].ids.size(), 1);
ASSERT_EQ(get_cpu(attrs[3].ids[0]), online_cpus.back());
}
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