diff options
Diffstat (limited to 'tools/gce/linux_performance_worker_init.sh')
| -rwxr-xr-x | tools/gce/linux_performance_worker_init.sh | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/gce/linux_performance_worker_init.sh b/tools/gce/linux_performance_worker_init.sh index 523749ee81..ab29e015e0 100755 --- a/tools/gce/linux_performance_worker_init.sh +++ b/tools/gce/linux_performance_worker_init.sh @@ -150,3 +150,19 @@ sudo tar -C /usr/local -xzf go$GO_VERSION.$OS-$ARCH.tar.gz # Put go on the PATH, keep the usual installation dir sudo ln -s /usr/local/go/bin/go /usr/bin/go rm go$GO_VERSION.$OS-$ARCH.tar.gz + +# Install perf, to profile benchmarks. (need to get the right linux-tools-<> for kernel version) +sudo apt-get install -y linux-tools-common linux-tools-generic linux-tools-`uname -r` +# see http://unix.stackexchange.com/questions/14227/do-i-need-root-admin-permissions-to-run-userspace-perf-tool-perf-events-ar +echo 0 | sudo tee /proc/sys/kernel/perf_event_paranoid +# see http://stackoverflow.com/questions/21284906/perf-couldnt-record-kernel-reference-relocation-symbol +echo 0 | sudo tee /proc/sys/kernel/kptr_restrict + +# qps workers under perf appear to need a lot of mmap pages under certain scenarios and perf args in +# order to not lose perf events or time out +echo 4096 | sudo tee /proc/sys/kernel/perf_event_mlock_kb + +# Fetch scripts to generate flame graphs from perf data collected +# on benchmarks +git clone -v https://github.com/brendangregg/FlameGraph ~/FlameGraph + |