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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /tools/perf/perf-archive.sh
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'tools/perf/perf-archive.sh')
-rwxr-xr-xtools/perf/perf-archive.sh146
1 files changed, 146 insertions, 0 deletions
diff --git a/tools/perf/perf-archive.sh b/tools/perf/perf-archive.sh
new file mode 100755
index 000000000..7977e9b0a
--- /dev/null
+++ b/tools/perf/perf-archive.sh
@@ -0,0 +1,146 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# perf archive
+# Arnaldo Carvalho de Melo <acme@redhat.com>
+
+PERF_DATA=perf.data
+PERF_SYMBOLS=perf.symbols
+PERF_ALL=perf.all
+ALL=0
+UNPACK=0
+
+while [ $# -gt 0 ] ; do
+ if [ $1 == "--all" ]; then
+ ALL=1
+ shift
+ elif [ $1 == "--unpack" ]; then
+ UNPACK=1
+ shift
+ elif [ $1 == "--exclude-buildids" ]; then
+ EXCLUDE_BUILDIDS="$2"
+ if [ ! -e "$EXCLUDE_BUILDIDS" ]; then
+ echo "Provided exclude-buildids file $EXCLUDE_BUILDIDS does not exist"
+ exit 1
+ fi
+ shift 2
+ else
+ PERF_DATA=$1
+ UNPACK_TAR=$1
+ shift
+ fi
+done
+
+if [ $UNPACK -eq 1 ]; then
+ if [ ! -z "$UNPACK_TAR" ]; then # tar given as an argument
+ if [ ! -e "$UNPACK_TAR" ]; then
+ echo "Provided file $UNPACK_TAR does not exist"
+ exit 1
+ fi
+ TARGET="$UNPACK_TAR"
+ else # search for perf tar in the current directory
+ TARGET=`find . -regex "\./perf.*\.tar\.bz2"`
+ TARGET_NUM=`echo -n "$TARGET" | grep -c '^'`
+
+ if [ -z "$TARGET" ] || [ $TARGET_NUM -gt 1 ]; then
+ echo -e "Error: $TARGET_NUM files found for unpacking:\n$TARGET"
+ echo "Provide the requested file as an argument"
+ exit 1
+ else
+ echo "Found target file for unpacking: $TARGET"
+ fi
+ fi
+
+ if [[ "$TARGET" =~ (\./)?$PERF_ALL.*.tar.bz2 ]]; then # perf tar generated by --all option
+ TAR_CONTENTS=`tar tvf "$TARGET" | tr -s " " | cut -d " " -f 6`
+ VALID_TAR=`echo "$TAR_CONTENTS" | grep "$PERF_SYMBOLS.tar.bz2" | wc -l` # check if it contains a sub-tar perf.symbols
+ if [ $VALID_TAR -ne 1 ]; then
+ echo "Error: $TARGET file is not valid (contains zero or multiple sub-tar files with debug symbols)"
+ exit 1
+ fi
+
+ INTERSECT=`comm -12 <(ls) <(echo "$TAR_CONTENTS") | tr "\n" " "` # check for overwriting
+ if [ ! -z "$INTERSECT" ]; then # prompt if file(s) already exist in the current directory
+ echo "File(s) ${INTERSECT::-1} already exist in the current directory."
+ while true; do
+ read -p 'Do you wish to overwrite them? ' yn
+ case $yn in
+ [Yy]* ) break;;
+ [Nn]* ) exit 1;;
+ * ) echo "Please answer yes or no.";;
+ esac
+ done
+ fi
+
+ # unzip the perf.data file in the current working directory and debug symbols in ~/.debug directory
+ tar xvf $TARGET && tar xvf $PERF_SYMBOLS.tar.bz2 -C ~/.debug
+
+ else # perf tar generated by perf archive (contains only debug symbols)
+ tar xvf $TARGET -C ~/.debug
+ fi
+ exit 0
+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=$(mktemp /tmp/perf-archive-buildids.XXXXXX)
+
+#
+# EXCLUDE_BUILDIDS is an optional file that contains build-ids to be excluded from the
+# archive. It is a list of build-ids, one per line, without any leading or trailing spaces.
+# If the file is empty, all build-ids will be included in the archive. To create a exclude-
+# buildids file, you can use the following command:
+# perf buildid-list -i perf.data --with-hits | grep -v "^ " > exclude_buildids.txt
+# You can edit the file to remove the lines that you want to keep in the archive, then:
+# perf archive --exclude-buildids exclude_buildids.txt
+#
+if [ -s "$EXCLUDE_BUILDIDS" ]; then
+ perf buildid-list -i $PERF_DATA --with-hits | grep -v "^ " | grep -Fv -f $EXCLUDE_BUILDIDS > $BUILDIDS
+ if [ ! -s "$BUILDIDS" ] ; then
+ echo "perf archive: no build-ids found after applying exclude-buildids file"
+ rm $BUILDIDS || true
+ exit 1
+ fi
+else
+ perf buildid-list -i $PERF_DATA --with-hits | grep -v "^ " > $BUILDIDS
+ if [ ! -s "$BUILDIDS" ] ; then
+ echo "perf archive: no build-ids found"
+ rm $BUILDIDS || true
+ exit 1
+ fi
+fi
+
+MANIFEST=$(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
+
+if [ $ALL -eq 1 ]; then # pack perf.data file together with tar containing debug symbols
+ HOSTNAME=$(hostname)
+ DATE=$(date '+%Y%m%d-%H%M%S')
+ tar cjf $PERF_SYMBOLS.tar.bz2 -C $PERF_BUILDID_DIR -T $MANIFEST
+ tar cjf $PERF_ALL-$HOSTNAME-$DATE.tar.bz2 $PERF_DATA $PERF_SYMBOLS.tar.bz2
+ rm $PERF_SYMBOLS.tar.bz2 $MANIFEST $BUILDIDS || true
+else # pack only the debug symbols
+ tar cjf $PERF_DATA.tar.bz2 -C $PERF_BUILDID_DIR -T $MANIFEST
+ rm $MANIFEST $BUILDIDS || true
+fi
+
+echo -e "Now please run:\n"
+echo -e "$ perf archive --unpack\n"
+echo "or unpack the tar manually wherever you need to run 'perf report' on."
+exit 0