On Tue, 2020-08-11 at 15:22 +0800, Yu, Mingli wrote: > From: Mingli Yu <[email protected]> > > pigz, which stands for parallel implementation of gzip, is a > fully functional replacement for gzip that exploits multiple > processors and multiple cores to the hilt when compressing data. > > do_package uses pigz to compress data to speed up the time > if there is pigz available on the build server. > > But for some big package such as clang, there comes below > error during do_package. > gzip: stdout: Cannot allocate memory > tar: > TOPDIR/sstate-cache/20/80/sstate:clang:cortexa57-wrs-linux:10.0.1:r0:cortexa57:3:20808f8a746b00ec9470a81057c8595d878cfe8c565cfbcbbaa3ea870528ee34_package.tgz.QF5dss8M: > Wrote only 8192 of 10240 bytes > tar: Child returned status 1 > tar: Error is not recoverable: exiting now > > So set the default pigz thread and the user also can customize > the pigz thread such as via PIGZ = "-p 3" or PIGZ_pn-clang = "-p 3" > for the individual package in local.conf to avoid eating so much > memory. > > Signed-off-by: Mingli Yu <[email protected]> > --- > meta/conf/bitbake.conf | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf > index 353caacef9..bc87e78d78 100644 > --- a/meta/conf/bitbake.conf > +++ b/meta/conf/bitbake.conf > @@ -804,6 +804,9 @@ XZ_THREADS ?= "${@oe.utils.cpu_count(at_least=2)}" > XZ_DEFAULTS ?= "--memlimit=${XZ_MEMLIMIT} --threads=${XZ_THREADS}" > XZ_DEFAULTS[vardepsexclude] += "XZ_MEMLIMIT XZ_THREADS" > > +# Default parallelism and resource usage for pigz > +export PIGZ = "-p ${@oe.utils.cpu_count(at_least=2)}"
Why not just set this in the cases you need it in and leave the defaults alone? You can just export it in the tasks which need it too. This change actually makes the sstate number of cpus specific which we definitely don't want. Cheers, Richard
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