https://bugs.kde.org/show_bug.cgi?id=475208

            Bug ID: 475208
           Summary: error: cannot take snapshot before execution has
                    started
    Classification: Developer tools
           Product: valgrind
           Version: 3.22 GIT
          Platform: Other
                OS: Other
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: massif
          Assignee: n...@valgrind.org
          Reporter: dark_foo...@yahoo.fr
  Target Milestone: ---

SUMMARY

By running valgrind memory leak with a heavy application : 
valgrind --tool=massif my_apps &

The detail_snapshot is failing : 
vgdb detailed_snapshot /tmp/massif2023-10-04_12-21-23_0.out
sending command detailed_snapshot /tmp/massif2023-10-04_12-21-23_0.out to pid
1941
error: cannot take snapshot before execution has started

Instead of adding a temporization with "sleep" between the valgrind and vgdb
command.
Is there or could it have a function to wait that Valgrind is ready ? 
A blocking/sync wait argument to the vgdb? 
or an option/return vgdb to know everything is ready? I can do the
detailed_snapshot.

Regards,
Frédéric 

SOFTWARE/OS VERSIONS
Linux/KDE Plasma:  ARM / linux

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