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authormaxim-yurchuk <maxim-yurchuk@yandex-team.com>2024-10-09 12:29:46 +0300
committermaxim-yurchuk <maxim-yurchuk@yandex-team.com>2024-10-09 13:14:22 +0300
commit9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80 (patch)
treea8fb3181d5947c0d78cf402aa56e686130179049 /contrib/go/_std_1.22/src/runtime/pprof/pprof_rusage.go
parenta44b779cd359f06c3ebbef4ec98c6b38609d9d85 (diff)
downloadydb-9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80.tar.gz
publishFullContrib: true for ydb
<HIDDEN_URL> commit_hash:c82a80ac4594723cebf2c7387dec9c60217f603e
Diffstat (limited to 'contrib/go/_std_1.22/src/runtime/pprof/pprof_rusage.go')
-rw-r--r--contrib/go/_std_1.22/src/runtime/pprof/pprof_rusage.go35
1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/go/_std_1.22/src/runtime/pprof/pprof_rusage.go b/contrib/go/_std_1.22/src/runtime/pprof/pprof_rusage.go
new file mode 100644
index 0000000000..aa429fb06a
--- /dev/null
+++ b/contrib/go/_std_1.22/src/runtime/pprof/pprof_rusage.go
@@ -0,0 +1,35 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build unix
+
+package pprof
+
+import (
+ "fmt"
+ "io"
+ "runtime"
+ "syscall"
+)
+
+// Adds MaxRSS to platforms that are supported.
+func addMaxRSS(w io.Writer) {
+ var rssToBytes uintptr
+ switch runtime.GOOS {
+ case "aix", "android", "dragonfly", "freebsd", "linux", "netbsd", "openbsd":
+ rssToBytes = 1024
+ case "darwin", "ios":
+ rssToBytes = 1
+ case "illumos", "solaris":
+ rssToBytes = uintptr(syscall.Getpagesize())
+ default:
+ panic("unsupported OS")
+ }
+
+ var rusage syscall.Rusage
+ err := syscall.Getrusage(syscall.RUSAGE_SELF, &rusage)
+ if err == nil {
+ fmt.Fprintf(w, "# MaxRSS = %d\n", uintptr(rusage.Maxrss)*rssToBytes)
+ }
+}