impala::PerfCounters::CounterData Struct Reference

Collaboration diagram for impala::PerfCounters::CounterData:

Public Attributes
Counter	counter
DataSource	source
TUnit::type	unit
union {
int   fd
	For SYS_PERF_COUNTER. File descriptor where the counter value is stored. More...
int   proc_io_line_number
	For PROC_SELF_IO. Line number from /proc/self/io file with this counter's value. More...
};
	DataSource specific data. This is used to pull the counter values. More...
std::string	proc_status_field
	For PROC_SELF_STATUS. Field name for counter. More...

Detailed Description

Definition at line 113 of file perf-counters.h.

Member Data Documentation

union { ... }

DataSource specific data. This is used to pull the counter values.

Counter impala::PerfCounters::CounterData::counter

Definition at line 114 of file perf-counters.h.

Referenced by impala::PerfCounters::InitProcSelfIOCounter(), impala::PerfCounters::InitProcSelfStatusCounter(), and impala::PerfCounters::InitSysCounter().

int impala::PerfCounters::CounterData::fd

For SYS_PERF_COUNTER. File descriptor where the counter value is stored.

Definition at line 121 of file perf-counters.h.

Referenced by impala::PerfCounters::InitSysCounter().

int impala::PerfCounters::CounterData::proc_io_line_number

For PROC_SELF_IO. Line number from /proc/self/io file with this counter's value.

Definition at line 123 of file perf-counters.h.

Referenced by impala::PerfCounters::InitProcSelfIOCounter().

std::string impala::PerfCounters::CounterData::proc_status_field

For PROC_SELF_STATUS. Field name for counter.

Definition at line 126 of file perf-counters.h.

Referenced by impala::PerfCounters::InitProcSelfStatusCounter().

DataSource impala::PerfCounters::CounterData::source

Definition at line 115 of file perf-counters.h.

Referenced by impala::PerfCounters::InitProcSelfIOCounter(), impala::PerfCounters::InitProcSelfStatusCounter(), and impala::PerfCounters::InitSysCounter().

TUnit::type impala::PerfCounters::CounterData::unit

Definition at line 116 of file perf-counters.h.

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The documentation for this struct was generated from the following file:

• be/src/util/perf-counters.h