On Thu, Oct 13, 2022 at 07:51:02PM +0800, Zorro Lang wrote: > On Tue, Oct 11, 2022 at 06:45:18PM -0700, Darrick J. Wong wrote: > > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > > > Add a new option, COREDUMP_COMPRESSOR, that will be used to compress > > core dumps collected during a fstests run. The program specified must > > accept the -f -9 arguments that gzip has. > > > > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> > > --- > > README | 4 ++++ > > common/rc | 14 +++++++++----- > > 2 files changed, 13 insertions(+), 5 deletions(-) > > > > > > diff --git a/README b/README > > index 80d148be82..4c4f22f853 100644 > > --- a/README > > +++ b/README > > @@ -212,6 +212,10 @@ Tools specification: > > - Set FSSTRESS_AVOID and/or FSX_AVOID, which contain options added to > > the end of fsstresss and fsx invocations, respectively, in case you wish > > to exclude certain operational modes from these tests. > > + - core dumps: > > + - Set COREDUMP_COMPRESSOR to a compression program to compress crash dumps. > > + This program must accept '-f' and the name of a file to compress. In > > + other words, it must emulate gzip. > > > > Kernel/Modules related configuration: > > - Set TEST_FS_MODULE_RELOAD=1 to unload the module and reload it between > > diff --git a/common/rc b/common/rc > > index 152b8bb414..c68869b7dc 100644 > > --- a/common/rc > > +++ b/common/rc > > @@ -4956,13 +4956,17 @@ _save_coredump() > > local core_hash="$(_md5_checksum "$path")" > > local out_file="$RESULT_BASE/$seqnum.core.$core_hash" > > > > - if [ -s "$out_file" ]; then > > - rm -f "$path" > > - return > > - fi > > - rm -f "$out_file" > > + for dump in "$out_file"*; do > > + if [ -s "$dump" ]; then > > + rm -f "$path" > > + return 0 > > + fi > > + done > > > > mv "$path" "$out_file" > > + test -z "$COREDUMP_COMPRESSOR" && return 0 > > + > > + $COREDUMP_COMPRESSOR -f "$out_file" > > This patch looks good to me, > Reviewed-by: Zorro Lang <zlang@xxxxxxxxxx> > > I'm just not sure if all/most compressor supports "-f" option, I use bzip2 > and gzip mostly, they both support that. As do xz, lz4, and zstd, so I think that's sufficient coverage. The only one I know of that won't be compatible is zip, since it uses -f for "freshen archive". --D > Thanks, > Zorro > > > } > > > > init_rc > > >
