# git rev-parse -q --verify 913ec3c22ef425d63dd0bc81fb008ce7f9bcb07b^{commit}
913ec3c22ef425d63dd0bc81fb008ce7f9bcb07b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 913ec3c22ef425d63dd0bc81fb008ce7f9bcb07b
# git clean -qxdf
# < git log -1
# commit 913ec3c22ef425d63dd0bc81fb008ce7f9bcb07b
# Merge: d9403d307dba 1792a59eab95
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Jun 19 14:50:43 2021 -0700
# 
#     Merge tag 'perf-tools-fixes-for-v5.13-2021-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
#     
#     Pull perf tools fixes from Arnaldo Carvalho de Melo:
#     
#      - Fix refcount usage when processing PERF_RECORD_KSYMBOL.
#     
#      - 'perf stat' metric group fixes.
#     
#      - Fix 'perf test' non-bash issue with stat bpf counters.
#     
#      - Update unistd, in.h and socket.h with the kernel sources, silencing
#        perf build warnings.
#     
#     * tag 'perf-tools-fixes-for-v5.13-2021-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
#       tools headers UAPI: Sync linux/in.h copy with the kernel sources
#       tools headers UAPI: Sync asm-generic/unistd.h with the kernel original
#       perf beauty: Update copy of linux/socket.h with the kernel sources
#       perf test: Fix non-bash issue with stat bpf counters
#       perf machine: Fix refcount usage when processing PERF_RECORD_KSYMBOL
#       perf metricgroup: Return error code from metricgroup__add_metric_sys_event_iter()
#       perf metricgroup: Fix find_evsel_group() event selector
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 913ec3c22ef425d63dd0bc81fb008ce7f9bcb07b
# < make -s -j 48 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  x86_64_defconfig
# < make -s -j 48 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 48 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 48 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/linus_x86_64_defconfig_x86_64-gcc8
# Build took: 0:02:23.355360