xiedeacc opened a new issue, #2163:
URL: https://github.com/apache/brpc/issues/2163
静态的BvarAdder 变量如果只有一个不会core，但是有多个时，就core了
```
class BvarAdder {
public:
BvarAdder(const std::string& prefix, const std::string& name, int
window_size)
: adders_(), windows_(prefix, name, &adders_, window_size) {}
void operator<<(int64_t n) { adders_ << n; }
private:
bvar::Adder<int64_t> adders_;
bvar::Window<bvar::Adder<int64_t>> windows_;
};
static BvarAdder min_total_statistic;
static BvarAdder fifteen_min_total_statistic;
static BvarAdder hour_total_statistic;
static BvarAdder day_total_statistic;
static void SetTotalStatistic() {
min_total_statistic << 1;
fifteen_min_total_statistic << 1;
hour_total_statistic << 1;
day_total_statistic << 1;
}
```
堆栈
```
1654 external/com_github_google_glog/src/logging.cc: No such file or
directory.
[Current thread is 1 (Thread 0x7f318a446540 (LWP 164298))]
(gdb) bt
#0 0x0000000000ac1d9c in google::LogMessage::Init (this=0x7ffe5ac7b120,
file=<optimized out>, line=181, severity=2, send_method=<optimized out>) at
external/com_github_google_glog/src/logging.cc:1654
#1 0x00000000004b1e90 in bvar::detail::ReducerSampler<bvar::Reducer<long,
bvar::detail::AddTo<long>, bvar::detail::MinusFrom<long> >, long,
bvar::detail::AddTo<long>, bvar::detail::MinusFrom<long> >::set_window_size
(window_size=<optimized out>, this=<optimized out>)
at external/brpc/src/butil/synchronization/lock.h:79
#2 bvar::detail::WindowBase<bvar::Adder<long>,
(bvar::SeriesFrequency)0>::WindowBase (this=0x13219f8
<wifi::ad::anonymous::util::StatisticVar::day_total_statistic+152>,
var=<optimized out>, window_size=<optimized out>) at
external/brpc/src/bvar/window.h:84
#3 0x00000000004b4f27 in bvar::Window<bvar::Adder<long>,
(bvar::SeriesFrequency)0>::Window (window_size=86400, var=0x1321960
<wifi::ad::anonymous::util::StatisticVar::day_total_statistic>, name=...,
this=0x13219f8
<wifi::ad::anonymous::util::StatisticVar::day_total_statistic+152>)
at external/brpc/src/butil/synchronization/lock.h:51
#4 wifi::ad::anonymous::util::BvarAdder::BvarAdder (this=0x1321960
<wifi::ad::anonymous::util::StatisticVar::day_total_statistic>, prefix=...,
name=..., window_size=86400) at ./src/util/statistic_var.h:45
#5 0x0000000000462416 in __static_initialization_and_destruction_0
(__priority=65535, __initialize_p=1) at
/usr/local/lib/gcc/x86_64-linux-gnu/11.3.0/../../../../include/c++/11.3.0/bits/char_traits.h:399
#6 0x0000000000462f09 in
_GLOBAL__sub_I__ZN4wifi2ad9anonymous4util12StatisticVar6prefixB5cxx11E () at
src/util/statistic_var.cc:101
#7 0x0000000000baf3fd in __libc_csu_init ()
#8 0x00007f3188ce2ed5 in __libc_start_main (main=0x459240 <main(int,
char**)>, argc=2, argv=0x7ffe5ac7b358, init=0xbaf3b0 <__libc_csu_init>,
fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe5ac7b348) at
libc-start.c:246
#9 0x000000000047b7cc in _start () at src/anonymous.cc:79
(gdb) q
```
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