That is fantastic! Thanks for the hard work so far getting the C/R infrastructure back in place.
On Fri, Feb 7, 2014 at 3:46 PM, Adrian Reber <adr...@lisas.de> wrote: > I have created a new CRS component using criu (criu.org) to support > checkpoint/restart in Open MPI. My current patch only provides the > framework and necessary configure scripts to detect and link against > criu. With this patch orte-checkpoint can request a checkpoint and the > new CRIU CRS component is used: > > [dcbz:13766] orte_cr: init: orte_cr_init() > [dcbz:13766] crs:criu: opal_crs_criu_prelaunch > [dcbz:13766] crs:criu: opal_crs_criu_prelaunch > [dcbz:13771] opal_cr: init: Verbose Level: 30 > [dcbz:13771] opal_cr: init: FT Enabled: true > [dcbz:13771] opal_cr: init: Is a tool program: false > [dcbz:13771] opal_cr: init: Debug SIGPIPE: 30 (False) > [dcbz:13771] opal_cr: init: Checkpoint Signal: 10 > [dcbz:13771] opal_cr: init: FT Use thread: true > [dcbz:13771] opal_cr: init: FT thread sleep: check = 0, wait = 100 > [dcbz:13771] opal_cr: init: C/R Debugging Enabled [False] > [dcbz:13771] opal_cr: init: Checkpoint Signal (Debug): 20 > [dcbz:13771] opal_cr: init: Temp Directory: /tmp > ... > [dcbz:13772] orte_cr: coord: orte_cr_coord(Checkpoint) > [dcbz:13772] orte_cr: coord_pre_ckpt: orte_cr_coord_pre_ckpt() > [dcbz:13772] orte_cr: coord_post_ckpt: orte_cr_coord_post_ckpt() > [dcbz:13772] ompi_cr: coord_post_ckpt: ompi_cr_coord_post_ckpt() > [dcbz:13772] opal_cr: opal_cr_inc_core_ckpt: Take the checkpoint. > [dcbz:13772] crs:criu: checkpoint(13772, ---) > [dcbz:13772] crs:criu: criu_init_opts() returned 0 > [dcbz:13771] orte_cr: coord_post_ckpt: orte_cr_coord_post_ckpt() > [dcbz:13771] ompi_cr: coord_post_ckpt: ompi_cr_coord_post_ckpt() > [dcbz:13771] opal_cr: opal_cr_inc_core_ckpt: Take the checkpoint. > [dcbz:13771] crs:criu: checkpoint(13771, ---) > [dcbz:13771] crs:criu: criu_init_opts() returned 0 > ... > [dcbz:13766] 13766: Checkpoint established for process [55729,0]. > [dcbz:13771] ompi_cr: coord: ompi_cr_coord(Running) > [dcbz:13771] orte_cr: coord: orte_cr_coord(Running) > [dcbz:13766] 13766: Successfully restarted process [55729,0]. > [dcbz:13772] ompi_cr: coord: ompi_cr_coord(Running) > [dcbz:13772] orte_cr: coord: orte_cr_coord(Running) > > It seems the C/R code basically works again and now needs to be filled > with the actual code to take checkpoints using criu. > > The patch I want to check in is available at: > > > https://lisas.de/git/?p=open-mpi.git;a=commitdiff;h=7e0c7c940705cc572242097ff53f9e0ee6db11ea > > The patch only creates files in opal/mca/crs/criu and does not touch any > other code. > > Adrian > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel > -- Joshua Hursey Assistant Professor of Computer Science University of Wisconsin-La Crosse http://cs.uwlax.edu/~jjhursey