FlameGraph

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FlameGraph does not compile under SBCL 2.1.2 and newer as they have removed MAP-TRACE-SAMPLES from SB-SPROF. They also removed MAP-ALL-SAMPLES, but I don't think that should impact FlameGraph. These are...

RichJames

I have a program that seem to spend a lot of time in kernel state, and I would like to know what exactly is taking so long. However, the function_graph...

Azuresonance

Adding line numbers to perf output breaks stackcollapse-perf.pl

3

Sometimes it's hard to navigate code without having line numbers in source. This is especially relevant for Vala-based apps, as they tend to mangle function names in various ways. So...

Hi-Angel

Create Flame Graphs using JFR

5

Is there a way to create a flame graph using a JFR file, or any recommendation to convert JFR to a possible format

LakshanKarunathilake

ShirleyFei

Can't locate open.pm in @INC

3

When running `flamegraph.pl` on RHEL 8.1, I encounter the following error: ``` $ perf script | ~/FlameGraph/stackcollapse-perf.pl | ~/FlameGraph/flamegraph.pl > flame.svg Can't locate open.pm in @INC (you may need to...

NAThompson

Hi folks, I wonder what do you think about adding the following to the flame graph: 1. Be able to exclude/hide the frame. In some cases, graph is dominated by...

okuvshynov

I want to create a FlameGraph based on a perf record of a GraalVM native executable. With GraalVM native executable, perf add the name of the thread to the perf...

loicmathieu

Does imprecise sample frequency affect correctness of flame graph analysis?

1

Hi Brendan, I am a huge fan of Flamegraph and all your blogs and talks. But I have a question on the correctness of flame graph. According to the source...

open-richard

%1 is not a valid Win32 application.

4

When I try to get a flamegraph I get the following error. My OS is WIN8.1 x64.The go version go1.9 windows/amd64 ?[34mINFO[20:49:59] ?[0mRun pprof command: go tool pprof -raw -seconds...

SITSGRestia