From 0ecb0746a602d445f7b67793773cedbe738ab84f Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Tue, 18 Jul 2023 22:11:41 +0200
Subject: flame_graph.sh -> flamegraph.sh

Inspired by flamegraph.pl.
---
 scripts/flame_graph.sh | 113 -------------------------------------------------
 scripts/flamegraph.sh  | 113 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 113 insertions(+), 113 deletions(-)
 delete mode 100755 scripts/flame_graph.sh
 create mode 100755 scripts/flamegraph.sh

(limited to 'scripts')

diff --git a/scripts/flame_graph.sh b/scripts/flame_graph.sh
deleted file mode 100755
index ae9129c..0000000
--- a/scripts/flame_graph.sh
+++ /dev/null
@@ -1,113 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright (c) 2023 Egor Tensin <Egor.Tensin@gmail.com>
-# This file is part of the "cimple" project.
-# For details, see https://github.com/egor-tensin/cimple.
-# Distributed under the MIT License.
-
-# This script attaches to a set of processes and makes a flame graph using
-# flamegraph.pl.
-
-set -o errexit -o nounset -o pipefail
-shopt -s inherit_errexit lastpipe
-
-script_name="$( basename -- "${BASH_SOURCE[0]}" )"
-readonly script_name
-
-script_usage() {
-    local msg
-    for msg; do
-        echo "$script_name: $msg"
-    done
-
-    echo "usage: $script_name OUTPUT_PATH PID [PID...]"
-}
-
-join_pids() {
-    local result=''
-    while [ "$#" -gt 0 ]; do
-        if [ -n "$result" ]; then
-            result="$result,"
-        fi
-        result="$result$1"
-        shift
-    done
-    echo "$result"
-}
-
-output_dir=''
-
-cleanup() {
-    if [ -n "$output_dir" ]; then
-        echo "Removing temporary directory: $output_dir"
-        rm -rf -- "$output_dir"
-    fi
-}
-
-make_graph() {
-    wait "$record_pid" || true
-    perf script -i "$output_dir/perf.data" > "$output_dir/perf.out"
-    stackcollapse-perf.pl "$output_dir/perf.out" > "$output_dir/perf.folded"
-    flamegraph.pl --width 2400 "$output_dir/perf.folded" > "$output_path"
-}
-
-record_pid=''
-
-stop_record() {
-    echo "Stopping 'perf record' process $record_pid"
-    kill -SIGINT "$record_pid"
-    make_graph
-}
-
-check_tools() {
-    local tool
-    for tool in perf stackcollapse-perf.pl flamegraph.pl; do
-        if ! command -v "$tool" &> /dev/null; then
-            echo "$script_name: $tool is missing" >&2
-            exit 1
-        fi
-    done
-}
-
-main() {
-    trap cleanup EXIT
-    check_tools
-
-    if [ "$#" -lt 1 ]; then
-        script_usage "output path is required" >&2
-        exit 1
-    fi
-    local output_path="$1"
-    output_path="$( realpath -- "$output_path" )"
-    shift
-
-    if [ "$#" -lt 1 ]; then
-        script_usage "at least one process ID is required" >&2
-        exit 1
-    fi
-    local pids
-    pids="$( join_pids "$@" )"
-    shift
-
-    echo "Output path: $output_path"
-    echo "PIDs: $pids"
-
-    output_dir="$( dirname -- "$output_path" )"
-    output_dir="$( mktemp -d --tmpdir="$output_dir" )"
-    readonly output_dir
-
-    perf record \
-        -o "$output_dir/perf.data" \
-        --freq=99 \
-        --call-graph dwarf,65528 \
-        --pid="$pids" \
-        --no-inherit &
-
-    record_pid="$!"
-    echo "Started 'perf record' process $record_pid"
-    trap stop_record SIGINT SIGTERM
-
-    make_graph
-}
-
-main "$@"
diff --git a/scripts/flamegraph.sh b/scripts/flamegraph.sh
new file mode 100755
index 0000000..ae9129c
--- /dev/null
+++ b/scripts/flamegraph.sh
@@ -0,0 +1,113 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2023 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is part of the "cimple" project.
+# For details, see https://github.com/egor-tensin/cimple.
+# Distributed under the MIT License.
+
+# This script attaches to a set of processes and makes a flame graph using
+# flamegraph.pl.
+
+set -o errexit -o nounset -o pipefail
+shopt -s inherit_errexit lastpipe
+
+script_name="$( basename -- "${BASH_SOURCE[0]}" )"
+readonly script_name
+
+script_usage() {
+    local msg
+    for msg; do
+        echo "$script_name: $msg"
+    done
+
+    echo "usage: $script_name OUTPUT_PATH PID [PID...]"
+}
+
+join_pids() {
+    local result=''
+    while [ "$#" -gt 0 ]; do
+        if [ -n "$result" ]; then
+            result="$result,"
+        fi
+        result="$result$1"
+        shift
+    done
+    echo "$result"
+}
+
+output_dir=''
+
+cleanup() {
+    if [ -n "$output_dir" ]; then
+        echo "Removing temporary directory: $output_dir"
+        rm -rf -- "$output_dir"
+    fi
+}
+
+make_graph() {
+    wait "$record_pid" || true
+    perf script -i "$output_dir/perf.data" > "$output_dir/perf.out"
+    stackcollapse-perf.pl "$output_dir/perf.out" > "$output_dir/perf.folded"
+    flamegraph.pl --width 2400 "$output_dir/perf.folded" > "$output_path"
+}
+
+record_pid=''
+
+stop_record() {
+    echo "Stopping 'perf record' process $record_pid"
+    kill -SIGINT "$record_pid"
+    make_graph
+}
+
+check_tools() {
+    local tool
+    for tool in perf stackcollapse-perf.pl flamegraph.pl; do
+        if ! command -v "$tool" &> /dev/null; then
+            echo "$script_name: $tool is missing" >&2
+            exit 1
+        fi
+    done
+}
+
+main() {
+    trap cleanup EXIT
+    check_tools
+
+    if [ "$#" -lt 1 ]; then
+        script_usage "output path is required" >&2
+        exit 1
+    fi
+    local output_path="$1"
+    output_path="$( realpath -- "$output_path" )"
+    shift
+
+    if [ "$#" -lt 1 ]; then
+        script_usage "at least one process ID is required" >&2
+        exit 1
+    fi
+    local pids
+    pids="$( join_pids "$@" )"
+    shift
+
+    echo "Output path: $output_path"
+    echo "PIDs: $pids"
+
+    output_dir="$( dirname -- "$output_path" )"
+    output_dir="$( mktemp -d --tmpdir="$output_dir" )"
+    readonly output_dir
+
+    perf record \
+        -o "$output_dir/perf.data" \
+        --freq=99 \
+        --call-graph dwarf,65528 \
+        --pid="$pids" \
+        --no-inherit &
+
+    record_pid="$!"
+    echo "Started 'perf record' process $record_pid"
+    trap stop_record SIGINT SIGTERM
+
+    make_graph
+}
+
+main "$@"
-- 
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