From 15a58247ddd1b3415920ffae404b20daf735067a Mon Sep 17 00:00:00 2001
From: Greg Hogan <gregjhogan@gmail.com>
Date: Wed, 10 Nov 2021 23:27:10 -0800
Subject: [PATCH] profiling: replace pyflame with py-spy (#22864)

* py-spy

* remove pyflame

* find process by name
old-commit-hash: caad4919ac74af8d4dd3aede20d3ba05e5e06c67
---
 selfdrive/debug/profiling/py-spy/profile.sh   | 21 +++++++++++++++++++
 selfdrive/debug/profiling/pyflame/build.txt   |  3 ---
 .../debug/profiling/pyflame/fix-aarch64.patch |  3 ---
 selfdrive/debug/profiling/pyflame/flame.sh    |  3 ---
 .../debug/profiling/pyflame/flamegraph.pl     |  3 ---
 selfdrive/debug/profiling/pyflame/pyflame     |  3 ---
 6 files changed, 21 insertions(+), 15 deletions(-)
 create mode 100755 selfdrive/debug/profiling/py-spy/profile.sh
 delete mode 100644 selfdrive/debug/profiling/pyflame/build.txt
 delete mode 100644 selfdrive/debug/profiling/pyflame/fix-aarch64.patch
 delete mode 100755 selfdrive/debug/profiling/pyflame/flame.sh
 delete mode 100755 selfdrive/debug/profiling/pyflame/flamegraph.pl
 delete mode 100755 selfdrive/debug/profiling/pyflame/pyflame

diff --git a/selfdrive/debug/profiling/py-spy/profile.sh b/selfdrive/debug/profiling/py-spy/profile.sh
new file mode 100755
index 0000000000..2fdbe8d16e
--- /dev/null
+++ b/selfdrive/debug/profiling/py-spy/profile.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -e
+
+cd "$(dirname "$0")"
+
+# find process with name passed in (excluding this process)
+for PID in $(pgrep -f $1); do
+  if [ "$PID" != "$$" ]; then
+    ps -p $PID -o args
+    TRACE_PID=$PID
+    break
+  fi
+done
+
+if [ -z "$TRACE_PID" ]; then
+  echo "could not find PID for $1"
+  exit 1
+fi
+
+sudo env PATH=$PATH py-spy record -d 5 -o /tmp/perf$TRACE_PID.svg -p $TRACE_PID &&
+google-chrome /tmp/perf$TRACE_PID.svg
diff --git a/selfdrive/debug/profiling/pyflame/build.txt b/selfdrive/debug/profiling/pyflame/build.txt
deleted file mode 100644
index 3320ae522d..0000000000
--- a/selfdrive/debug/profiling/pyflame/build.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:157ca425c4ea68345b5d44356c6fd65d0e32a006e5a0e770c75c7d136dbd0c4c
-size 174
diff --git a/selfdrive/debug/profiling/pyflame/fix-aarch64.patch b/selfdrive/debug/profiling/pyflame/fix-aarch64.patch
deleted file mode 100644
index 09c6f82071..0000000000
--- a/selfdrive/debug/profiling/pyflame/fix-aarch64.patch
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7eb044134b9c9fae6152fe8c504810aa8d1dc6027af3157965f87f3431154855
-size 11787
diff --git a/selfdrive/debug/profiling/pyflame/flame.sh b/selfdrive/debug/profiling/pyflame/flame.sh
deleted file mode 100755
index ed1ee1b2b5..0000000000
--- a/selfdrive/debug/profiling/pyflame/flame.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b83b957896775bc93363731be30b12aa232bb77334f379a7e3894de3d53ced03
-size 194
diff --git a/selfdrive/debug/profiling/pyflame/flamegraph.pl b/selfdrive/debug/profiling/pyflame/flamegraph.pl
deleted file mode 100755
index dccd3ae789..0000000000
--- a/selfdrive/debug/profiling/pyflame/flamegraph.pl
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4a373447ce1fed5e37708c689f10e6e852a69f87d3cb9bf36913f15a6fdba0dd
-size 34109
diff --git a/selfdrive/debug/profiling/pyflame/pyflame b/selfdrive/debug/profiling/pyflame/pyflame
deleted file mode 100755
index b829d6dc9a..0000000000
--- a/selfdrive/debug/profiling/pyflame/pyflame
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b3a77c355bffcad1e01cbc466e8b7133de4a7411af9a3e1c90610f14f7650298
-size 1757424