WinPerf (JNA API)

```
public interface WinPerf
```
Various performance counters structures and definitions

Author:

Lyor Goldstein

See Also:

Performance Counters Structures

Nested Class Summary

Nested Classes
Modifier and Type	Interface and Description
`static class`	`WinPerf.PERF_DATA_BLOCK` Describes the performance data block that you queried
`static class`	`WinPerf.PERF_INSTANCE_DEFINITION` Describes an instance of a performance object

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`PERF_100NSEC_MULTI_TIMER`
`static int`	`PERF_100NSEC_MULTI_TIMER_INV`
`static int`	`PERF_100NSEC_TIMER`
`static int`	`PERF_100NSEC_TIMER_INV`
`static int`	`PERF_AVERAGE_BASE`
`static int`	`PERF_AVERAGE_BULK`
`static int`	`PERF_AVERAGE_TIMER`
`static int`	`PERF_COUNTER_100NS_QUEUELEN_TYPE`
`static int`	`PERF_COUNTER_BASE`
`static int`	`PERF_COUNTER_BULK_COUNT`
`static int`	`PERF_COUNTER_COUNTER`
`static int`	`PERF_COUNTER_DELTA`
`static int`	`PERF_COUNTER_ELAPSED`
`static int`	`PERF_COUNTER_FRACTION`
`static int`	`PERF_COUNTER_HISTOGRAM`
`static int`	`PERF_COUNTER_HISTOGRAM_TYPE`
`static int`	`PERF_COUNTER_LARGE_DELTA`
`static int`	`PERF_COUNTER_LARGE_QUEUELEN_TYPE`
`static int`	`PERF_COUNTER_LARGE_RAWCOUNT`
`static int`	`PERF_COUNTER_LARGE_RAWCOUNT_HEX`
`static int`	`PERF_COUNTER_MULTI_BASE`
`static int`	`PERF_COUNTER_MULTI_TIMER`
`static int`	`PERF_COUNTER_MULTI_TIMER_INV`
`static int`	`PERF_COUNTER_NODATA`
`static int`	`PERF_COUNTER_OBJ_TIME_QUEUELEN_TYPE`
`static int`	`PERF_COUNTER_PRECISION`
`static int`	`PERF_COUNTER_QUEUELEN`
`static int`	`PERF_COUNTER_QUEUELEN_TYPE`
`static int`	`PERF_COUNTER_RATE`
`static int`	`PERF_COUNTER_RAWCOUNT`
`static int`	`PERF_COUNTER_RAWCOUNT_HEX`
`static int`	`PERF_COUNTER_TEXT`
`static int`	`PERF_COUNTER_TIMER`
`static int`	`PERF_COUNTER_TIMER_INV`
`static int`	`PERF_COUNTER_VALUE`
`static int`	`PERF_DELTA_BASE`
`static int`	`PERF_DELTA_COUNTER`
`static int`	`PERF_DETAIL_ADVANCED`
`static int`	`PERF_DETAIL_EXPERT`
`static int`	`PERF_DETAIL_NOVICE`
`static int`	`PERF_DETAIL_WIZARD`
`static int`	`PERF_DISPLAY_NO_SUFFIX`
`static int`	`PERF_DISPLAY_NOSHOW`
`static int`	`PERF_DISPLAY_PER_SEC`
`static int`	`PERF_DISPLAY_PERCENT`
`static int`	`PERF_DISPLAY_SECONDS`
`static int`	`PERF_ELAPSED_TIME`
`static int`	`PERF_INVERSE_COUNTER`
`static int`	`PERF_LARGE_RAW_BASE`
`static int`	`PERF_LARGE_RAW_FRACTION`
`static int`	`PERF_MULTI_COUNTER`
`static int`	`PERF_NO_INSTANCES`
`static int`	`PERF_NO_UNIQUE_ID`
`static int`	`PERF_NUMBER_DEC_1000`
`static int`	`PERF_NUMBER_DECIMAL`
`static int`	`PERF_NUMBER_HEX`
`static int`	`PERF_OBJ_TIME_TIMER`
`static int`	`PERF_OBJECT_TIMER`
`static int`	`PERF_PRECISION_100NS_TIMER`
`static int`	`PERF_PRECISION_OBJECT_TIMER`
`static int`	`PERF_PRECISION_SYSTEM_TIMER`
`static int`	`PERF_PRECISION_TIMESTAMP`
`static int`	`PERF_QUERY_COSTLY`
`static int`	`PERF_QUERY_GLOBAL`
`static int`	`PERF_QUERY_OBJECTS`
`static int`	`PERF_RAW_BASE`
`static int`	`PERF_RAW_FRACTION`
`static int`	`PERF_SAMPLE_BASE`
`static int`	`PERF_SAMPLE_COUNTER`
`static int`	`PERF_SAMPLE_FRACTION`
`static int`	`PERF_SIZE_DWORD`
`static int`	`PERF_SIZE_LARGE`
`static int`	`PERF_SIZE_VARIABLE_LEN`
`static int`	`PERF_SIZE_ZERO`
`static int`	`PERF_TEXT_ASCII`
`static int`	`PERF_TEXT_UNICODE`
`static int`	`PERF_TIMER_100NS`
`static int`	`PERF_TIMER_TICK`
`static int`	`PERF_TYPE_COUNTER`
`static int`	`PERF_TYPE_NUMBER`
`static int`	`PERF_TYPE_TEXT`
`static int`	`PERF_TYPE_ZERO`

- Field Detail
  - PERF_NO_INSTANCES
```
static final int PERF_NO_INSTANCES
```
    See Also:
    
    Constant Field Values
  - PERF_SIZE_DWORD
```
static final int PERF_SIZE_DWORD
```
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    Constant Field Values
  - PERF_SIZE_LARGE
```
static final int PERF_SIZE_LARGE
```
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    Constant Field Values
  - PERF_SIZE_ZERO
```
static final int PERF_SIZE_ZERO
```
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    Constant Field Values
  - PERF_SIZE_VARIABLE_LEN
```
static final int PERF_SIZE_VARIABLE_LEN
```
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    Constant Field Values
  - PERF_TYPE_NUMBER
```
static final int PERF_TYPE_NUMBER
```
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    Constant Field Values
  - PERF_TYPE_COUNTER
```
static final int PERF_TYPE_COUNTER
```
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    Constant Field Values
  - PERF_TYPE_TEXT
```
static final int PERF_TYPE_TEXT
```
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    Constant Field Values
  - PERF_TYPE_ZERO
```
static final int PERF_TYPE_ZERO
```
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    Constant Field Values
  - PERF_NUMBER_HEX
```
static final int PERF_NUMBER_HEX
```
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    Constant Field Values
  - PERF_NUMBER_DECIMAL
```
static final int PERF_NUMBER_DECIMAL
```
    See Also:
    
    Constant Field Values
  - PERF_NUMBER_DEC_1000
```
static final int PERF_NUMBER_DEC_1000
```
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    Constant Field Values
  - PERF_COUNTER_VALUE
```
static final int PERF_COUNTER_VALUE
```
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    Constant Field Values
  - PERF_COUNTER_RATE
```
static final int PERF_COUNTER_RATE
```
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    Constant Field Values
  - PERF_COUNTER_FRACTION
```
static final int PERF_COUNTER_FRACTION
```
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    Constant Field Values
  - PERF_COUNTER_BASE
```
static final int PERF_COUNTER_BASE
```
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    Constant Field Values
  - PERF_COUNTER_ELAPSED
```
static final int PERF_COUNTER_ELAPSED
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_QUEUELEN
```
static final int PERF_COUNTER_QUEUELEN
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_HISTOGRAM
```
static final int PERF_COUNTER_HISTOGRAM
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_PRECISION
```
static final int PERF_COUNTER_PRECISION
```
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    Constant Field Values
  - PERF_TEXT_UNICODE
```
static final int PERF_TEXT_UNICODE
```
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    Constant Field Values
  - PERF_TEXT_ASCII
```
static final int PERF_TEXT_ASCII
```
    See Also:
    
    Constant Field Values
  - PERF_TIMER_TICK
```
static final int PERF_TIMER_TICK
```
    See Also:
    
    Constant Field Values
  - PERF_TIMER_100NS
```
static final int PERF_TIMER_100NS
```
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    Constant Field Values
  - PERF_OBJECT_TIMER
```
static final int PERF_OBJECT_TIMER
```
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    Constant Field Values
  - PERF_DELTA_COUNTER
```
static final int PERF_DELTA_COUNTER
```
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    Constant Field Values
  - PERF_DELTA_BASE
```
static final int PERF_DELTA_BASE
```
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    Constant Field Values
  - PERF_INVERSE_COUNTER
```
static final int PERF_INVERSE_COUNTER
```
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    Constant Field Values
  - PERF_MULTI_COUNTER
```
static final int PERF_MULTI_COUNTER
```
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    Constant Field Values
  - PERF_DISPLAY_NO_SUFFIX
```
static final int PERF_DISPLAY_NO_SUFFIX
```
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    Constant Field Values
  - PERF_DISPLAY_PER_SEC
```
static final int PERF_DISPLAY_PER_SEC
```
    See Also:
    
    Constant Field Values
  - PERF_DISPLAY_PERCENT
```
static final int PERF_DISPLAY_PERCENT
```
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    Constant Field Values
  - PERF_DISPLAY_SECONDS
```
static final int PERF_DISPLAY_SECONDS
```
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    Constant Field Values
  - PERF_DISPLAY_NOSHOW
```
static final int PERF_DISPLAY_NOSHOW
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_COUNTER
```
static final int PERF_COUNTER_COUNTER
```
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    Constant Field Values
  - PERF_COUNTER_TIMER
```
static final int PERF_COUNTER_TIMER
```
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    Constant Field Values
  - PERF_COUNTER_QUEUELEN_TYPE
```
static final int PERF_COUNTER_QUEUELEN_TYPE
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_LARGE_QUEUELEN_TYPE
```
static final int PERF_COUNTER_LARGE_QUEUELEN_TYPE
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_100NS_QUEUELEN_TYPE
```
static final int PERF_COUNTER_100NS_QUEUELEN_TYPE
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_OBJ_TIME_QUEUELEN_TYPE
```
static final int PERF_COUNTER_OBJ_TIME_QUEUELEN_TYPE
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_BULK_COUNT
```
static final int PERF_COUNTER_BULK_COUNT
```
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    Constant Field Values
  - PERF_COUNTER_TEXT
```
static final int PERF_COUNTER_TEXT
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_RAWCOUNT
```
static final int PERF_COUNTER_RAWCOUNT
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_LARGE_RAWCOUNT
```
static final int PERF_COUNTER_LARGE_RAWCOUNT
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_RAWCOUNT_HEX
```
static final int PERF_COUNTER_RAWCOUNT_HEX
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_LARGE_RAWCOUNT_HEX
```
static final int PERF_COUNTER_LARGE_RAWCOUNT_HEX
```
    See Also:
    
    Constant Field Values
  - PERF_SAMPLE_FRACTION
```
static final int PERF_SAMPLE_FRACTION
```
    See Also:
    
    Constant Field Values
  - PERF_SAMPLE_COUNTER
```
static final int PERF_SAMPLE_COUNTER
```
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    Constant Field Values
  - PERF_COUNTER_NODATA
```
static final int PERF_COUNTER_NODATA
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_TIMER_INV
```
static final int PERF_COUNTER_TIMER_INV
```
    See Also:
    
    Constant Field Values
  - PERF_SAMPLE_BASE
```
static final int PERF_SAMPLE_BASE
```
    See Also:
    
    Constant Field Values
  - PERF_AVERAGE_TIMER
```
static final int PERF_AVERAGE_TIMER
```
    See Also:
    
    Constant Field Values
  - PERF_AVERAGE_BASE
```
static final int PERF_AVERAGE_BASE
```
    See Also:
    
    Constant Field Values
  - PERF_AVERAGE_BULK
```
static final int PERF_AVERAGE_BULK
```
    See Also:
    
    Constant Field Values
  - PERF_OBJ_TIME_TIMER
```
static final int PERF_OBJ_TIME_TIMER
```
    See Also:
    
    Constant Field Values
  - PERF_100NSEC_TIMER
```
static final int PERF_100NSEC_TIMER
```
    See Also:
    
    Constant Field Values
  - PERF_100NSEC_TIMER_INV
```
static final int PERF_100NSEC_TIMER_INV
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_MULTI_TIMER
```
static final int PERF_COUNTER_MULTI_TIMER
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_MULTI_TIMER_INV
```
static final int PERF_COUNTER_MULTI_TIMER_INV
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_MULTI_BASE
```
static final int PERF_COUNTER_MULTI_BASE
```
    See Also:
    
    Constant Field Values
  - PERF_100NSEC_MULTI_TIMER
```
static final int PERF_100NSEC_MULTI_TIMER
```
    See Also:
    
    Constant Field Values
  - PERF_100NSEC_MULTI_TIMER_INV
```
static final int PERF_100NSEC_MULTI_TIMER_INV
```
    See Also:
    
    Constant Field Values
  - PERF_RAW_FRACTION
```
static final int PERF_RAW_FRACTION
```
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    Constant Field Values
  - PERF_LARGE_RAW_FRACTION
```
static final int PERF_LARGE_RAW_FRACTION
```
    See Also:
    
    Constant Field Values
  - PERF_RAW_BASE
```
static final int PERF_RAW_BASE
```
    See Also:
    
    Constant Field Values
  - PERF_LARGE_RAW_BASE
```
static final int PERF_LARGE_RAW_BASE
```
    See Also:
    
    Constant Field Values
  - PERF_ELAPSED_TIME
```
static final int PERF_ELAPSED_TIME
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_HISTOGRAM_TYPE
```
static final int PERF_COUNTER_HISTOGRAM_TYPE
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_DELTA
```
static final int PERF_COUNTER_DELTA
```
    See Also:
    
    Constant Field Values
  - PERF_COUNTER_LARGE_DELTA
```
static final int PERF_COUNTER_LARGE_DELTA
```
    See Also:
    
    Constant Field Values
  - PERF_PRECISION_SYSTEM_TIMER
```
static final int PERF_PRECISION_SYSTEM_TIMER
```
    See Also:
    
    Constant Field Values
  - PERF_PRECISION_100NS_TIMER
```
static final int PERF_PRECISION_100NS_TIMER
```
    See Also:
    
    Constant Field Values
  - PERF_PRECISION_OBJECT_TIMER
```
static final int PERF_PRECISION_OBJECT_TIMER
```
    See Also:
    
    Constant Field Values
  - PERF_PRECISION_TIMESTAMP
```
static final int PERF_PRECISION_TIMESTAMP
```
    See Also:
    
    Constant Field Values
  - PERF_DETAIL_NOVICE
```
static final int PERF_DETAIL_NOVICE
```
    See Also:
    
    Constant Field Values
  - PERF_DETAIL_ADVANCED
```
static final int PERF_DETAIL_ADVANCED
```
    See Also:
    
    Constant Field Values
  - PERF_DETAIL_EXPERT
```
static final int PERF_DETAIL_EXPERT
```
    See Also:
    
    Constant Field Values
  - PERF_DETAIL_WIZARD
```
static final int PERF_DETAIL_WIZARD
```
    See Also:
    
    Constant Field Values
  - PERF_NO_UNIQUE_ID
```
static final int PERF_NO_UNIQUE_ID
```
    See Also:
    
    Constant Field Values
  - PERF_QUERY_OBJECTS
```
static final int PERF_QUERY_OBJECTS
```
    See Also:
    
    Constant Field Values
  - PERF_QUERY_GLOBAL
```
static final int PERF_QUERY_GLOBAL
```
    See Also:
    
    Constant Field Values
  - PERF_QUERY_COSTLY
```
static final int PERF_QUERY_COSTLY
```
    See Also:
    
    Constant Field Values

Interface WinPerf

Nested Class Summary

Field Summary

Field Detail

PERF_NO_INSTANCES

PERF_SIZE_DWORD

PERF_SIZE_LARGE

PERF_SIZE_ZERO

PERF_SIZE_VARIABLE_LEN

PERF_TYPE_NUMBER

PERF_TYPE_COUNTER

PERF_TYPE_TEXT

PERF_TYPE_ZERO

PERF_NUMBER_HEX

PERF_NUMBER_DECIMAL

PERF_NUMBER_DEC_1000

PERF_COUNTER_VALUE

PERF_COUNTER_RATE

PERF_COUNTER_FRACTION

PERF_COUNTER_BASE

PERF_COUNTER_ELAPSED

PERF_COUNTER_QUEUELEN

PERF_COUNTER_HISTOGRAM

PERF_COUNTER_PRECISION

PERF_TEXT_UNICODE

PERF_TEXT_ASCII

PERF_TIMER_TICK

PERF_TIMER_100NS

PERF_OBJECT_TIMER

PERF_DELTA_COUNTER

PERF_DELTA_BASE

PERF_INVERSE_COUNTER

PERF_MULTI_COUNTER

PERF_DISPLAY_NO_SUFFIX

PERF_DISPLAY_PER_SEC

PERF_DISPLAY_PERCENT

PERF_DISPLAY_SECONDS

PERF_DISPLAY_NOSHOW

PERF_COUNTER_COUNTER

PERF_COUNTER_TIMER

PERF_COUNTER_QUEUELEN_TYPE

PERF_COUNTER_LARGE_QUEUELEN_TYPE

PERF_COUNTER_100NS_QUEUELEN_TYPE

PERF_COUNTER_OBJ_TIME_QUEUELEN_TYPE

PERF_COUNTER_BULK_COUNT

PERF_COUNTER_TEXT

PERF_COUNTER_RAWCOUNT

PERF_COUNTER_LARGE_RAWCOUNT

PERF_COUNTER_RAWCOUNT_HEX

PERF_COUNTER_LARGE_RAWCOUNT_HEX

PERF_SAMPLE_FRACTION

PERF_SAMPLE_COUNTER

PERF_COUNTER_NODATA

PERF_COUNTER_TIMER_INV

PERF_SAMPLE_BASE

PERF_AVERAGE_TIMER

PERF_AVERAGE_BASE

PERF_AVERAGE_BULK

PERF_OBJ_TIME_TIMER

PERF_100NSEC_TIMER

PERF_100NSEC_TIMER_INV

PERF_COUNTER_MULTI_TIMER

PERF_COUNTER_MULTI_TIMER_INV

PERF_COUNTER_MULTI_BASE

PERF_100NSEC_MULTI_TIMER

PERF_100NSEC_MULTI_TIMER_INV

PERF_RAW_FRACTION

PERF_LARGE_RAW_FRACTION

PERF_RAW_BASE

PERF_LARGE_RAW_BASE

PERF_ELAPSED_TIME

PERF_COUNTER_HISTOGRAM_TYPE

PERF_COUNTER_DELTA

PERF_COUNTER_LARGE_DELTA

PERF_PRECISION_SYSTEM_TIMER

PERF_PRECISION_100NS_TIMER

PERF_PRECISION_OBJECT_TIMER

PERF_PRECISION_TIMESTAMP

PERF_DETAIL_NOVICE

PERF_DETAIL_ADVANCED