#!/bin/bash # perf archive # Arnaldo Carvalho de Melo PERF_DATA=perf.data if [ $# -ne 0 ] ; then PERF_DATA=$1 fi # # PERF_BUILDID_DIR environment variable set by perf # path to buildid directory, default to $HOME/.debug # if [ -z $PERF_BUILDID_DIR ]; then PERF_BUILDID_DIR=~/.debug/ else # append / to make substitutions work PERF_BUILDID_DIR=$PERF_BUILDID_DIR/ fi BUILDIDS=$(mktemp /tmp/perf-archive-buildids.XXXXXX) NOBUILDID=0000000000000000000000000000000000000000 perf buildid-list -i $PERF_DATA --with-hits | grep -v "^$NOBUILDID " > $BUILDIDS if [ ! -s $BUILDIDS ] ; then echo "perf archive: no build-ids found" rm $BUILDIDS || true exit 1 fi MANIFEST=$(mktemp /tmp/perf-archive-manifest.XXXXXX) PERF_BUILDID_LINKDIR=$(readlink -f $PERF_BUILDID_DIR)/ cut -d ' ' -f 1 $BUILDIDS | \ while read build_id ; do linkname=$PERF_BUILDID_DIR.build-id/${build_id:0:2}/${build_id:2} filename=$(readlink -f $linkname) echo ${linkname#$PERF_BUILDID_DIR} >> $MANIFEST echo ${filename#$PERF_BUILDID_LINKDIR} >> $MANIFEST done tar cjf $PERF_DATA.tar.bz2 -C $PERF_BUILDID_DIR -T $MANIFEST rm $MANIFEST $BUILDIDS || true echo -e "Now please run:\n" echo -e "$ tar xvf $PERF_DATA.tar.bz2 -C ~/.debug\n" echo "wherever you need to run 'perf report' on." exit 0 op-back net-next plumbingsTobias Klauser
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authorChristoph Hellwig <hch@lst.de>2017-02-05 18:10:35 +0100
committerJens Axboe <axboe@fb.com>2017-02-06 09:34:46 -0700
commiteeeefd41843218c55a8782a6920f044d9bf6207a (patch)
treec342eac46626e62745aa8e1a982626efca8b121d /sound/oss/soundvers.h
parentc14024dbb156c8392908aaa822097d27c6af8ec8 (diff)
block: don't try Write Same from __blkdev_issue_zeroout
Write Same can return an error asynchronously if it turns out the underlying SCSI device does not support Write Same, which makes a proper fallback to other methods in __blkdev_issue_zeroout impossible. Thus only issue a Write Same from blkdev_issue_zeroout an don't try it at all from __blkdev_issue_zeroout as a non-invasive workaround. Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Junichi Nomura <j-nomura@ce.jp.nec.com> Fixes: e73c23ff ("block: add async variant of blkdev_issue_zeroout") Tested-by: Junichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'sound/oss/soundvers.h')