On 2026-02-06, Thomas Kupper <[email protected]> wrote: > Hi, > > I'm playing around with Chrony and used setproctitle() to set the title > of the involved process (main, helper and NTS helper). > > And I can't figure out how to receive the command line the application > was started with after using setproctitle(). > > E.g. running 'ps -o command' outputs before setproctitle(): > > $ ps -auxo command | fgrep chronyd > _chrony 43240 <snip> chronyd -F 0 -u _chrony -d -f /etc/chrony.conf > _chrony 77494 <snip> chronyd -F 0 -u _chrony -d -f /etc/chrony.conf > root 18016 <snip> chronyd -F 0 -u _chrony -d -f /etc/chrony.conf > > running 'ps -o command' outputs after setproctitle(): > > $ ps -auxo command | fgrep chronyd > _chrony 47331 <snip> chronyd: server (chronyd) > _chrony 64136 <snip> chronyd: NTS helper (chronyd) > root 56489 <snip> chronyd: PRV helper (chronyd) > > What tool would show the calling command line? Would someone be able to > nudge me into the right direction?
You would need to save it before calling setproctitle (depending on exactly what you want this for, you could possibly change the setproctitle call to add the contents of argv)
