Re: DTrace - capturing two userspace strack frames on top of system call

2023-01-24 Thread Mark Johnston
On Mon, Jan 23, 2023 at 04:54:05PM -0500, Martin Cracauer wrote: > Mark Johnston wrote on Mon, Jan 23, 2023 at 11:52:12AM -0500: > > On Sun, Jan 22, 2023 at 10:04:50PM -0500, Martin Cracauer wrote: > > > Actually the error only appears on arm64 for me. I moved the script > > > to amd64 and it

Re: DTrace - capturing two userspace strack frames on top of system call

2023-01-23 Thread Martin Cracauer
Mark Johnston wrote on Mon, Jan 23, 2023 at 11:52:12AM -0500: > On Sun, Jan 22, 2023 at 10:04:50PM -0500, Martin Cracauer wrote: > > Actually the error only appears on arm64 for me. I moved the script > > to amd64 and it works as I thought. > > Support for userspace tracing on arm64 is

Re: DTrace - capturing two userspace strack frames on top of system call

2023-01-23 Thread Mark Johnston
On Sun, Jan 22, 2023 at 10:04:50PM -0500, Martin Cracauer wrote: > Actually the error only appears on arm64 for me. I moved the script > to amd64 and it works as I thought. Support for userspace tracing on arm64 is definitely less mature than on amd64, so this isn't too surprising,

Re: DTrace - capturing two userspace strack frames on top of system call

2023-01-22 Thread Martin Cracauer
Actually the error only appears on arm64 for me. I moved the script to amd64 and it works as I thought. Martin Martin Cracauer wrote on Sun, Jan 22, 2023 at 08:54:31PM -0500: > I want to capture the (userland) stack trace on top of the write(2) > system call. I seem to have some difficulty