[avro] branch rust-improve-cpu-and-memory-usage updated: Add a build.sh task for CPU profiling

[mg...@apache.org]

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mgrigorov pushed a commit to branch rust-improve-cpu-and-memory-usage
in repository https://gitbox.apache.org/repos/asf/avro.git


The following commit(s) were added to refs/heads/rust-improve-cpu-and-memory-usage by this push:
     new 1c40fda5b Add a build.sh task for CPU profiling
1c40fda5b is described below

commit 1c40fda5bc33850b387522c763d7dfe22487b323
Author: Martin Tzvetanov Grigorov <mg...@apache.org>
AuthorDate: Fri Jun 3 15:56:29 2022 +0300

    Add a build.sh task for CPU profiling
    
    Signed-off-by: Martin Tzvetanov Grigorov <mg...@apache.org>
---
 lang/rust/build.sh | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/lang/rust/build.sh b/lang/rust/build.sh
index 3a20e07ac..0a9aa895b 100755
--- a/lang/rust/build.sh
+++ b/lang/rust/build.sh
@@ -69,16 +69,26 @@ do
       cargo run --example test_interop_single_object_encoding
       ;;
     profile-heap)
-      echo "Heap memory profiling using KDE heaptrack tool"
-      EXAMPLE_APP=$2
-      EXAMPLE_APP=${EXAMPLE_APP:-"benchmark"}
-      echo $EXAMPLE_APP
+      echo "Heap memory profiling with https://github.com/KDE/heaptrack"
+      EXAMPLE_APP=${2:-"benchmark"}
       RUSTFLAGS=-g cargo build --release --example $EXAMPLE_APP
-      rm -rf heaptrack.${EXAMPLE_APP}.*
+      rm -f heaptrack.${EXAMPLE_APP}.*
       heaptrack ./target/release/examples/$EXAMPLE_APP
       heaptrack --analyze heaptrack.${EXAMPLE_APP}.*
       exit
       ;;
+    profile-cpu)
+      echo "CPU profiling with perf and https://github.com/KDAB/hotspot"
+      EXAMPLE_APP=${2:-"benchmark"}
+      RUSTFLAGS=-g cargo build --release --example $EXAMPLE_APP
+      NOW=$(date +%y%m%d%H%M%S)
+      DATA_FILE=perf-${EXAMPLE_APP}-${NOW}.data
+      # sudo sysctl kernel.perf_event_paranoid=-1
+      # sudo sysctl kernel.kptr_restrict=0
+      perf record --call-graph=dwarf --output=$DATA_FILE ./target/release/examples/$EXAMPLE_APP
+      hotspot $DATA_FILE
+      exit
+      ;;
     *)
       echo "Usage: $0 {lint|test|dist|clean|interop-data-generate|interop-data-test|profile-heap}" >&2
       exit 1