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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2021/08/16 12:26:47 UTC
[GitHub] [incubator-doris] BiteTheDDDDt opened a new issue #6458: [Bug]Wrong use on SCOPED_RAW_TIMER
BiteTheDDDDt opened a new issue #6458:
URL: https://github.com/apache/incubator-doris/issues/6458
**Describe the bug**
`SCOPED_RAW_TIMER` can be used to calculate the time usage in the life cycle.
It will only update the time when it is destruct.
I found it was used incorrectly in some places.
```cpp
std::vector<scoped_refptr<Thread>> threads(1000);
{
int64_t thread_creation_ns = 0;
SCOPED_RAW_TIMER(&thread_creation_ns);
for (auto& t : threads) {
Status status = Thread::create("test", "TestCallOnExit", SleepFor,
MonoDelta::FromSeconds(0), &t);
ASSERT_TRUE(status.ok());
}
std::cout << "create 1000 threads use:" << thread_creation_ns << "ns" << std::endl;
}
```
Like here, the output result will always be 0.
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[GitHub] [incubator-doris] yangzhg closed issue #6458: [Bug]Wrong use on SCOPED_RAW_TIMER
Posted by GitBox <gi...@apache.org>.
yangzhg closed issue #6458:
URL: https://github.com/apache/incubator-doris/issues/6458
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[GitHub] [incubator-doris] yangzhg closed issue #6458: [Bug]Wrong use on SCOPED_RAW_TIMER
Posted by GitBox <gi...@apache.org>.
yangzhg closed issue #6458:
URL: https://github.com/apache/incubator-doris/issues/6458
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