From 8164ac69775f2f425a7a231a7d10b64c4d0a1ce5 Mon Sep 17 00:00:00 2001
From: Webster Sheets <webster@web-eworks.com>
Date: Fri, 13 May 2022 18:31:20 -0400
Subject: [PATCH] Add ClangBuildAnalyzer automation script

---
 ClangBuildAnalyzer.ini   | 32 ++++++++++++++++++++++++++++++++
 scripts/analyze-build.sh | 12 ++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 ClangBuildAnalyzer.ini
 create mode 100755 scripts/analyze-build.sh

diff --git a/ClangBuildAnalyzer.ini b/ClangBuildAnalyzer.ini
new file mode 100644
index 00000000000..161f925347d
--- /dev/null
+++ b/ClangBuildAnalyzer.ini
@@ -0,0 +1,32 @@
+# How many of most expensive things are reported?
+[counts]
+
+# files that took most time to parse
+fileParse = 10
+# files that took most time to generate code for
+fileCodegen = 10
+# functions that took most time to generate code for
+function = 30
+# header files that were most expensive to include
+header = 10
+# for each expensive header, this many include paths to it are shown
+headerChain = 10
+# templates that took longest to instantiate
+template = 30
+
+
+# Minimum times (in ms) for things to be recorded into trace
+[minTimes]
+
+# parse/codegen for a file
+file = 10
+
+
+[misc]
+
+# Maximum length of symbol names printed; longer names will get truncated
+maxNameLength = 70
+
+# Only print "root" headers in expensive header report, i.e.
+# only headers that are directly included by at least one source file
+onlyRootHeaders = true
diff --git a/scripts/analyze-build.sh b/scripts/analyze-build.sh
new file mode 100755
index 00000000000..1e3b0bf63f0
--- /dev/null
+++ b/scripts/analyze-build.sh
@@ -0,0 +1,12 @@
+# Simple automation script to run ClangBuildAnalyzer over the pioneer codebase
+# and generate reports.
+# Requires a clean build with the -DUSE_TIME_TRACE=1 cmake option passed to
+# ./bootstrap, and should be run in the top-level directory of the pioneer repo
+
+ANALYZER="$1"
+if [ -z "$ANALYZER" ]; then
+	ANALYZER="ClangBuildAnalyzer"
+fi
+
+$ANALYZER --all build/ build/build-pioneer-trace.bin 2&>/dev/null
+$ANALYZER --analyze build/build-pioneer-trace.bin > build/build-pioneer-trace-$(date +%F-%T).txt