From 63b4d3d5e1d892ee5e0ac84a9f7dc740239da8d3 Mon Sep 17 00:00:00 2001
From: Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
Date: Tue, 5 Feb 2019 16:28:16 +0530
Subject: Add tcwg_gnu-build and modify build_abe to support bootstrap.

Change-Id: I00df28006aec6f0ade815188d809dacbfe6b17f9
---
 round-robin.sh    |  29 +++++++++---
 tcwg_gnu-build.sh | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 154 insertions(+), 5 deletions(-)
 create mode 100755 tcwg_gnu-build.sh

diff --git a/round-robin.sh b/round-robin.sh
index d1f201a3..1bc1f865 100644
--- a/round-robin.sh
+++ b/round-robin.sh
@@ -187,7 +187,9 @@ build_abe ()
 
     local component="$1"
 
-    local project stage
+    local project stage action
+    action="build"
+    
     case "$component" in
 	stage1)
 	    project=gcc
@@ -197,7 +199,19 @@ build_abe ()
 	    project=gcc
 	    stage="--stage 2"
 	    ;;
-	*)
+    	bootstrap)
+	    project=gcc
+	    stage="--enable bootstrap"
+	    ;;
+	ubsan_bootstrap)
+	    project=gcc
+	    stage="--set buildconfig=bootstrap-ubsan"
+	    ;;
+	bootstrap_O3)
+	    project=gcc
+	    stage="--set buildconfig=bootstrap-O3"
+	    ;;
+    	*)
 	    project=$component
 	    stage=""
 	    ;;
@@ -221,7 +235,7 @@ build_abe ()
 
     # Remove previous build directories and .stamp files.
     # We rely on ccache for fast rebuilds.
-    set +f; rm -rf builds/x86_64-unknown-linux-gnu/$gnu_target/$git_dir~master*; set -f
+    set +f; rm -rf builds/*/$gnu_target/$git_dir~master*; set -f
 
     export PATH=$(pwd)/bin:$PATH
 
@@ -235,10 +249,15 @@ build_abe ()
     fi
 
     ccache -z
+    local target_opt=""
+    if [ x"${rr[target]}" != x"native" ]; then
+        target_opt="--target $gnu_target"
+    fi
+
     # Run "./abe.sh --build $project".
     ./abe.sh \
-	--build $project \
-	--target $gnu_target \
+	--$action $project \
+	$target_opt \
 	--extraconfigdir config/master \
 	--disable update \
 	$project=${rr[${project}_url]}~master \
diff --git a/tcwg_gnu-build.sh b/tcwg_gnu-build.sh
new file mode 100755
index 00000000..c9f9e1c4
--- /dev/null
+++ b/tcwg_gnu-build.sh
@@ -0,0 +1,130 @@
+#!/bin/bash
+
+set -euf -o pipefail
+
+scripts=$(dirname $0)
+. $scripts/jenkins-helpers.sh
+
+convert_args_to_variables "$@"
+
+obligatory_variables rr[ci_config] \
+		     BUILD_NUMBER
+
+# Execution mode: baseline, bisect, continue, jenkins-full
+rr[mode]="${rr[mode]-baseline}"
+
+case "${rr[mode]}" in
+    "jenkins-full")
+	obligatory_variables rr[current_project] rr[current_branch]
+	;;
+esac
+
+# Set custom revision for one of the projects, and use baseline revisions
+# for all other projects.
+rr[ci_project]="${rr[ci_project]-tcwg_bmk}"
+rr[baseline_branch]="${rr[baseline_branch]-linaro-local/ci/${rr[ci_project]}/${rr[ci_config]}}"
+rr[current_branch]="${rr[current_branch]-default}"
+rr[current_project]="${rr[current_project]-none}"
+rr[reset_baseline]="${rr[reset_baseline]-false}"
+rr[top_artifacts]="${rr[top_artifacts]-$(pwd)/artifacts}"
+
+# {toolchain_name}-{toolchain_ver}-{target}-{bmk}-{cflags}
+IFS=- read -a ci_config <<EOF
+${rr[ci_config]}
+EOF
+rr[toolchain_name]=${rr[toolchain_name]-${ci_config[0]}}
+rr[target]="native"
+bootstrap_config=${cflags-${ci_config[3]}}
+
+start_at="${start_at-default}"
+finish_at="${finish_at-default}"
+verbose="${verbose-true}"
+verbose2="${verbose2-false}"
+
+results_id="tx1/${rr[ci_project]}/${rr[ci_config]}-$BUILD_NUMBER"
+
+if $verbose2; then set -x; fi
+
+trap "eval \"echo ERROR at \${FUNCNAME[0]}:\${BASH_LINENO[0]}\"" EXIT
+
+# Set start and finish steps for different modes.
+default_start_at=""
+default_finish_at=""
+base_artifacts_opt="base-artifacts"
+case "${rr[mode]}" in
+    "baseline")
+	default_finish_at="update_baseline"
+	;;
+    "bisect")
+	case "${rr[toolchain]}:${rr[current_project]}" in
+	    gnu:binutils) default_start_at="build_abe-binutils" ;;
+	    gnu:gcc) default_start_at="build_abe-stage1" ;;
+	    llvm:llvm) default_start_at="build_llvm" ;;
+	esac
+	default_finish_at="check_regression"
+	;;
+    "continue")
+	# Developer mode.
+	case "${rr[toolchain]}" in
+	    "gnu") default_start_at="prepare_abe" ;;
+	    "llvm") default_start_at="build_llvm" ;;
+	esac
+	base_artifacts_opt=""
+	;;
+    "jenkins-full") ;;
+esac
+if [ x"$start_at" = x"default" ]; then
+    start_at="$default_start_at"
+fi
+if [ x"$finish_at" = x"default" ]; then
+    finish_at="$default_finish_at"
+fi
+
+run_step_init "$start_at" "$finish_at" "${rr[top_artifacts]}" "$base_artifacts_opt" "$verbose"
+
+. $scripts/round-robin.sh
+
+# Exit with code 0 if no regression compared to base-artifacts/results.
+no_regression_p ()
+{
+    (
+    set -euf -o pipefail
+
+    if ! [ -f base-artifacts/results ]; then
+	return 0
+    fi
+    
+    local build_result_ref build_result_new
+    build_result_ref=$(tail -n1 base-artifacts/results)
+    build_result_new=$(tail -n1 ${rr[top_artifacts]}/results)
+
+    if [ $build_result_new -lt $build_result_ref ]; then
+	return 1
+    fi
+
+    if ! [ -f base-artifacts/results_id ]; then
+	return 0
+    fi
+
+    local results_ref
+    results_ref=$(cat base-artifacts/results_id)
+
+    $scripts/tcwg-benchmark-results.sh --results_ref $results_ref --results_id $results_id --top_artifacts "${rr[top_artifacts]}" --verbose $verbose
+
+    while IFS=, read -r bmk symbol speed size; do
+	if [ "$size" -gt 100 ]; then
+	    return 1
+	fi
+    done < ${rr[top_artifacts]}/results.csv
+    )
+}
+
+run_step stop_on_fail -10 reset_artifacts
+run_step stop_on_fail x prepare_abe
+run_step skip_on_fail -5 build_abe ${bootstrap_config}
+
+run_step reset_on_fail x check_regression
+run_step stop_on_fail x update_baseline
+run_step stop_on_fail x push_baseline
+
+trap "" EXIT
-- 
cgit v1.2.3