profiling-on-linux-jonathan-lambrechts.md

@@ -9,7 +9,9 @@
 ## Profile the ./myexe
 ```LD_PRELOAD=/usr/lib/libprofiler.so CPUPROFILE=prof ./myexe```
 
-Attention, le chemin d'accès jusqu'à libprofiler peut varier ! 
+Careful, the access path to `libprofiler`may change !   
+For example:   
+```LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libprofiler.so CPUPROFILE=prof ./my_exe```
 
 ## show online the results
 ```~/go/bin/pprof -http localhost:8000 prof```
@@ -26,3 +28,6 @@ Attention, le chemin d'accès jusqu'à libprofiler peut varier !
 and open it : 
 
 ```evince my_pdf_prof.pdf```  
+
+## Remark : 
+Be careful of your versions: current `pprof` (august 2020) is [not compatible](https://github.com/google/pprof/issues/538) with go version < 1.13. You should update `go` or use older version of `pprof`. (