Write bazel metrics file from soong.
Test: b build libcore:all
Change-Id: I372d48a9c7132bc57ecc1a8ba06eb098d28cbad7
diff --git a/ui/build/upload.go b/ui/build/upload.go
index 9f14bdd..9959e6f 100644
--- a/ui/build/upload.go
+++ b/ui/build/upload.go
@@ -18,16 +18,21 @@
// another.
import (
+ "bufio"
"fmt"
"io/ioutil"
"os"
"path/filepath"
+ "strconv"
+ "strings"
"time"
+ "android/soong/shared"
"android/soong/ui/metrics"
"google.golang.org/protobuf/proto"
+ bazel_metrics_proto "android/soong/ui/metrics/bazel_metrics_proto"
upload_proto "android/soong/ui/metrics/upload_proto"
)
@@ -73,12 +78,113 @@
return metricsFiles
}
+func parseTimingToNanos(str string) int64 {
+ millisString := removeDecimalPoint(str)
+ timingMillis, _ := strconv.ParseInt(millisString, 10, 64)
+ return timingMillis * 1000000
+}
+
+func parsePercentageToTenThousandths(str string) int32 {
+ percentageString := removeDecimalPoint(str)
+ //remove the % at the end of the string
+ percentage := strings.ReplaceAll(percentageString, "%", "")
+ percentagePortion, _ := strconv.ParseInt(percentage, 10, 32)
+ return int32(percentagePortion)
+}
+
+func removeDecimalPoint(numString string) string {
+ // The format is always 0.425 or 10.425
+ return strings.ReplaceAll(numString, ".", "")
+}
+
+func parseTotal(line string) int64 {
+ words := strings.Fields(line)
+ timing := words[3]
+ return parseTimingToNanos(timing)
+}
+
+func parsePhaseTiming(line string) bazel_metrics_proto.PhaseTiming {
+ words := strings.Fields(line)
+ getPhaseNameAndTimingAndPercentage := func([]string) (string, int64, int32) {
+ // Sample lines include:
+ // Total launch phase time 0.011 s 2.59%
+ // Total target pattern evaluation phase time 0.011 s 2.59%
+ var beginning int
+ var end int
+ for ind, word := range words {
+ if word == "Total" {
+ beginning = ind + 1
+ } else if beginning > 0 && word == "phase" {
+ end = ind
+ break
+ }
+ }
+ phaseName := strings.Join(words[beginning:end], " ")
+
+ // end is now "phase" - advance by 2 for timing and 4 for percentage
+ percentageString := words[end+4]
+ timingString := words[end+2]
+ timing := parseTimingToNanos(timingString)
+ percentagePortion := parsePercentageToTenThousandths(percentageString)
+ return phaseName, timing, percentagePortion
+ }
+
+ phaseName, timing, portion := getPhaseNameAndTimingAndPercentage(words)
+ phaseTiming := bazel_metrics_proto.PhaseTiming{}
+ phaseTiming.DurationNanos = &timing
+ phaseTiming.PortionOfBuildTime = &portion
+
+ phaseTiming.PhaseName = &phaseName
+ return phaseTiming
+}
+
+func processBazelMetrics(bazelProfileFile string, bazelMetricsFile string, ctx Context) {
+ if bazelProfileFile == "" {
+ return
+ }
+
+ readBazelProto := func(filepath string) bazel_metrics_proto.BazelMetrics {
+ //serialize the proto, write it
+ bazelMetrics := bazel_metrics_proto.BazelMetrics{}
+
+ file, err := os.ReadFile(filepath)
+ if err != nil {
+ ctx.Fatalln("Error reading metrics file\n", err)
+ }
+
+ scanner := bufio.NewScanner(strings.NewReader(string(file)))
+ scanner.Split(bufio.ScanLines)
+
+ var phaseTimings []*bazel_metrics_proto.PhaseTiming
+ for scanner.Scan() {
+ line := scanner.Text()
+ if strings.HasPrefix(line, "Total run time") {
+ total := parseTotal(line)
+ bazelMetrics.Total = &total
+ } else if strings.HasPrefix(line, "Total") {
+ phaseTiming := parsePhaseTiming(line)
+ phaseTimings = append(phaseTimings, &phaseTiming)
+ }
+ }
+ bazelMetrics.PhaseTimings = phaseTimings
+
+ return bazelMetrics
+ }
+
+ if _, err := os.Stat(bazelProfileFile); err != nil {
+ // We can assume bazel didn't run if the profile doesn't exist
+ return
+ }
+ bazelProto := readBazelProto(bazelProfileFile)
+ shared.Save(&bazelProto, bazelMetricsFile)
+}
+
// UploadMetrics uploads a set of metrics files to a server for analysis.
// The metrics files are first copied to a temporary directory
// and the uploader is then executed in the background to allow the user/system
// to continue working. Soong communicates to the uploader through the
// upload_proto raw protobuf file.
-func UploadMetrics(ctx Context, config Config, simpleOutput bool, buildStarted time.Time, paths ...string) {
+func UploadMetrics(ctx Context, config Config, simpleOutput bool, buildStarted time.Time, bazelProfileFile string, bazelMetricsFile string, paths ...string) {
ctx.BeginTrace(metrics.RunSetupTool, "upload_metrics")
defer ctx.EndTrace()
@@ -88,6 +194,7 @@
return
}
+ processBazelMetrics(bazelProfileFile, bazelMetricsFile, ctx)
// Several of the files might be directories.
metricsFiles := pruneMetricsFiles(paths)
if len(metricsFiles) == 0 {