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java.lang.Object java.lang.Thread org.HdrHistogram.HistogramLogProcessor
public class HistogramLogProcessor
HistogramLogProcessor
will process an input log and
[can] generate two separate log files from a single histogram log file: a
sequential interval log file and a histogram percentile distribution log file.
The sequential interval log file logs a single stats summary line for each reporting interval.
The histogram percentile distribution log file includes a detailed percentiles and fine grained distribution of the entire log file range processed.
HistogramLogProcessor will process an input log file when provided with
the -i <filename>
option. When no -i option is provided, standard input
will be processed.
When provided with an output file name <logfile>
with the -o option
(e.g. "-o mylog"), HistogramLogProcessor will produce both output files
under the names <logfile>
and <logfile>.hgrm
(e.g. mylog and mylog.hgrm).
When not provided with an output file name, HistogramLogProcessor will produce [only] the histogram percentile distribution log output to standard output.
HistogramLogProcessor accepts optional -start and -end time range parameters. When provided, the output will only reflect the portion of the input log with timestamps that fall within the provided start and end time range parameters.
HistogramLogProcessor also accepts and optional -csv parameter, which will cause the output formatting (of both output file forms) to use a CSV file format.
Nested Class Summary |
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Nested classes/interfaces inherited from class java.lang.Thread |
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Thread.State, Thread.UncaughtExceptionHandler |
Field Summary | |
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static String |
versionString
|
Fields inherited from class java.lang.Thread |
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MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY |
Constructor Summary | |
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HistogramLogProcessor(String[] args)
Construct a HistogramLogProcessor with the given arguments
(provided in command line style). |
Method Summary | |
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static void |
main(String[] args)
main() method. |
void |
run()
Run the log processor with the currently provided arguments. |
Methods inherited from class java.lang.Thread |
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activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final String versionString
Constructor Detail |
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public HistogramLogProcessor(String[] args) throws FileNotFoundException
HistogramLogProcessor
with the given arguments
(provided in command line style).
[-h] help [-csv] Use CSV format for output log files [-i logFileName] File name of Histogram Log to process (default is standard input) [-o outputFileName] File name to output to (default is standard output) (will replace occurrences of %pid and %date with appropriate information) [-start rangeStartTimeSec] The start time for the range in the file, in seconds (default 0.0) [-end rangeEndTimeSec] The end time for the range in the file, in seconds (default is infinite) [-outputValueUnitRatio r] The scaling factor by which to divide histogram recorded values units in output. [default = 1000000.0 (1 msec in nsec)]"
args
- command line arguments
FileNotFoundException
- if specified input file is not foundMethod Detail |
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public void run()
run
in interface Runnable
run
in class Thread
public static void main(String[] args)
args
- command line arguments
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