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build: add experimental support for print flag

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Print flag can be used to make additional information
requests about the build and print their results.

Currently Dockerfile supports: outline, targets, subrequests.describe

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2022-05-04 18:48:50 -07:00
parent 17dc0e1108
commit eefa8188e1
98 changed files with 8536 additions and 3339 deletions
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14
vendor/github.com/prometheus/client_golang/prometheus/internal/go_runtime_metrics.go generated vendored
View File

@@ -62,7 +62,7 @@ func RuntimeMetricsToProm(d *metrics.Description) (string, string, string, bool)
// other data.
name = strings.ReplaceAll(name, "-", "_")
name = name + "_" + unit
if d.Cumulative {
if d.Cumulative && d.Kind != metrics.KindFloat64Histogram {
name = name + "_total"
}
@@ -84,12 +84,12 @@ func RuntimeMetricsToProm(d *metrics.Description) (string, string, string, bool)
func RuntimeMetricsBucketsForUnit(buckets []float64, unit string) []float64 {
switch unit {
case "bytes":
// Rebucket as powers of 2.
return rebucketExp(buckets, 2)
// Re-bucket as powers of 2.
return reBucketExp(buckets, 2)
case "seconds":
// Rebucket as powers of 10 and then merge all buckets greater
// Re-bucket as powers of 10 and then merge all buckets greater
// than 1 second into the +Inf bucket.
b := rebucketExp(buckets, 10)
b := reBucketExp(buckets, 10)
for i := range b {
if b[i] <= 1 {
continue
@@ -103,11 +103,11 @@ func RuntimeMetricsBucketsForUnit(buckets []float64, unit string) []float64 {
return buckets
}
// rebucketExp takes a list of bucket boundaries (lower bound inclusive) and
// reBucketExp takes a list of bucket boundaries (lower bound inclusive) and
// downsamples the buckets to those a multiple of base apart. The end result
// is a roughly exponential (in many cases, perfectly exponential) bucketing
// scheme.
func rebucketExp(buckets []float64, base float64) []float64 {
func reBucketExp(buckets []float64, base float64) []float64 {
bucket := buckets[0]
var newBuckets []float64
// We may see a -Inf here, in which case, add it and skip it