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Questions tagged [profiling]

Profiling is the process of measuring an application or system by running an analysis tool called a profiler. Profiling tools can focus on many aspects: functions call times and count, memory usage, cpu load, and resource usage.

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Examine which row/function in R code takes the most time within function?

I have a set of functions that run within a wrapper:wrapper_func <- function(x,y,z,.....) {t <- foo1(x,y)kuku <- foo2(t,z)....final_res <- foo20(t, kuku, ...)return(final_res)}...
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11 views

Profiling Python+Cython code

I would like to profile a python script which calls both python and cython functions. I tried to do it with cProfile like thispython -m cProfile my_script.pyHowever, it does not seem to take ...
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1answer
43 views

Profiling TCL/TK information explanation

I'm looking for information on the data :Profiling information for ::isect_lineplane============================================================Total calls: 938Caller ...
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2answers
42 views

How does `dtrace` probe memory allocations (Mac OS)

Does anyone know what function / mechanism is dtrace using for tracking mallocs? I'm trying to profile a piece of code, which I can do with the aid of debugger and some command line scripting, i.e.:...
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1answer
11 views

Profiling web worker function calls with Chrome

I'm trying to profile a web worker in Chrome to track down some performance issues, but whereas I get a very complete call tree when profiling the large application, the one I get in the worker thread ...
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0answers
16 views

spark job metrics on graphite

I am using graphite sink to store all the metrics sent by spark job.On executing the spark command with these options:--files=/local/shprin/metrics.properties --conf spark.metrics.conf=metrics....
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1answer
37 views

Linux function profiler output

I would like to profile a code flow in kernel in order to understand where is the bottleneck. I found that function profiler does just that for me:https://lwn.net/Articles/370423/Unfortunately the ...
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0answers
14 views

MongoDB aggregation pipeline profiling (non-$match stages)

I tried to see detailed information about execution time, index usage and son on, for aggregation pipeline stages. Currently when I execute db.collection.explain().aggregate() - resulting document ...
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1answer
11 views

remote JProfiler on Java 10

JProfiler since v10.1 partially support java 10, but don't support running on java 10. All appearance that jprofiler don't support profiling remote java 10 machines.I try to install agent on target ...
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1answer
34 views

How to CPU Profile Wildfly10 using VisualVM?

Problem:I have an J2EE application that is running very slow for a given task (to generate some files) using a specific data set. I decided to run the visualvm profiler over the application to ...
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0answers
13 views

Function execution time decrease a lot the second time in PHP

I'm using php 7.1.0. The script I'm benchmarking is this one:$myclass=new MyClass();$t1=microtime(true);myfunction();echo microtime(true)-$t1;$t2=microtime(true);myfunction();echo ...
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0answers
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No Results shown in InspectIT - Any solutions?

I want to use "InspectIT" (a free profiling tool) for my programs. I've tested InspectIT on "sqldeveloper" from Oracle - just to see if its works as it should. My problem: Everytime I recorded a ...
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0answers
23 views

Profile C++ code based on “State Threads” library with dtrace

I'm using dtrace to profile a C++ program (It's SRS in case it matters) based on State Threads, a goroutine-like library for writing concurrent C++ code.The command I use:dtrace -n 'profile-199 /...
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2answers
37 views

measuring precise time in nanoseconds C++

I wanted to test a way to measure the precise execution time of a piece of code in nanoseconds (accuracy upto 100 nanoseconds is ok) in C++.I tried using chrono::high_resolution_clock for this ...
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0answers
20 views

Significant discrepancies between python profiler and tensorflow timeline trace

I'm trying to profile a keras model using the tensorflow profiler (specifically based on this exampleI'm using tensorflow 1.10-rc1 without a GPUThe results were that the total time measured by the ...

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