On Wed, Aug 21, 2024 at 1:15 PM Angus, Justin Ray via petsc-dev < petsc-dev@mcs.anl.gov> wrote:
> Hello, > > > > I’ve been able to successfully use -log_view in a cpp code using PETSc > when setting it through a .petscrc file. I get lots of information about > the SNES and KS solvers at the end of my simulation as expected. > > > > However, if I instead try to turn on log_view from inside my cpp code, > using something like > > > > PetscInitialize(&a_argc,&a_argv,(char*)0,help); > > PetscOptionsSetValue( NULL, "-log_view" , NULL ); > > PetscFinalize(); > > > > Then I get the following message at the end of my simulation > > > > [5]PETSC ERROR: --------------------- Error Message > -------------------------------------------------------------- > > [5]PETSC ERROR: Object is in wrong state > > [5]PETSC ERROR: A PetscLogHandler of type default has not been started. > > [5]PETSC ERROR: See > https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!emwZ3QQIbMQF7ZH_8EyWu8LQEDYtiAM1sng6x0gtfM7GkGaouwGe-sWN4dVHH9h8fT2qaL-czNUjeHazex8N$ > > <https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!ZOx9FLrofB1s1oTVLL6psn-36zBbHH9WiAgg1Arjda5O4RvYo1Na8aJgC4P_Ractdr7HCa0C-aPq9oVsiUcnlQ$> > for trouble shooting. > > > > > > What am I doing wrong here? > This is a limitation of PETSc. We want the log to be setup early so it is processed inside PetscInitialize(). For things like this is usually use the environment, PETSC_OPTIONS="-log_view" ./myexe Thanks, Matt > Thank you. > > > > -Justin > > > > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener https://urldefense.us/v3/__https://www.cse.buffalo.edu/*knepley/__;fg!!G_uCfscf7eWS!emwZ3QQIbMQF7ZH_8EyWu8LQEDYtiAM1sng6x0gtfM7GkGaouwGe-sWN4dVHH9h8fT2qaL-czNUjeKliLdRa$ <https://urldefense.us/v3/__http://www.cse.buffalo.edu/*knepley/__;fg!!G_uCfscf7eWS!emwZ3QQIbMQF7ZH_8EyWu8LQEDYtiAM1sng6x0gtfM7GkGaouwGe-sWN4dVHH9h8fT2qaL-czNUjeKcwJEGc$ >
