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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /src/runtime/pprof/testdata
parentInitial commit. (diff)
downloadgolang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/pprof/testdata')
-rw-r--r--src/runtime/pprof/testdata/README9
-rw-r--r--src/runtime/pprof/testdata/mappingtest/main.go108
-rwxr-xr-xsrc/runtime/pprof/testdata/test32bin0 -> 528 bytes
-rwxr-xr-xsrc/runtime/pprof/testdata/test32bebin0 -> 520 bytes
-rwxr-xr-xsrc/runtime/pprof/testdata/test64bin0 -> 760 bytes
-rwxr-xr-xsrc/runtime/pprof/testdata/test64bebin0 -> 856 bytes
6 files changed, 117 insertions, 0 deletions
diff --git a/src/runtime/pprof/testdata/README b/src/runtime/pprof/testdata/README
new file mode 100644
index 0000000..876538e
--- /dev/null
+++ b/src/runtime/pprof/testdata/README
@@ -0,0 +1,9 @@
+These binaries were generated by:
+
+$ cat empty.s
+.global _start
+_start:
+$ as --32 -o empty.o empty.s && ld --build-id -m elf_i386 -o test32 empty.o
+$ as --64 -o empty.o empty.s && ld --build-id -o test64 empty.o
+$ powerpc-linux-gnu-as -o empty.o empty.s && powerpc-linux-gnu-ld --build-id -o test32be empty.o
+$ powerpc64-linux-gnu-as -o empty.o empty.s && powerpc64-linux-gnu-ld --build-id -o test64be empty.o
diff --git a/src/runtime/pprof/testdata/mappingtest/main.go b/src/runtime/pprof/testdata/mappingtest/main.go
new file mode 100644
index 0000000..484b7f9
--- /dev/null
+++ b/src/runtime/pprof/testdata/mappingtest/main.go
@@ -0,0 +1,108 @@
+// Copyright 2018 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.
+
+// This program outputs a CPU profile that includes
+// both Go and Cgo stacks. This is used by the mapping info
+// tests in runtime/pprof.
+//
+// If SETCGOTRACEBACK=1 is set, the CPU profile will includes
+// PCs from C side but they will not be symbolized.
+package main
+
+/*
+#include <stdint.h>
+#include <stdlib.h>
+
+int cpuHogCSalt1 = 0;
+int cpuHogCSalt2 = 0;
+
+void CPUHogCFunction0(int foo) {
+ int i;
+ for (i = 0; i < 100000; i++) {
+ if (foo > 0) {
+ foo *= foo;
+ } else {
+ foo *= foo + 1;
+ }
+ cpuHogCSalt2 = foo;
+ }
+}
+
+void CPUHogCFunction() {
+ CPUHogCFunction0(cpuHogCSalt1);
+}
+
+struct CgoTracebackArg {
+ uintptr_t context;
+ uintptr_t sigContext;
+ uintptr_t *buf;
+ uintptr_t max;
+};
+
+void CollectCgoTraceback(void* parg) {
+ struct CgoTracebackArg* arg = (struct CgoTracebackArg*)(parg);
+ arg->buf[0] = (uintptr_t)(CPUHogCFunction0);
+ arg->buf[1] = (uintptr_t)(CPUHogCFunction);
+ arg->buf[2] = 0;
+};
+*/
+import "C"
+
+import (
+ "log"
+ "os"
+ "runtime"
+ "runtime/pprof"
+ "time"
+ "unsafe"
+)
+
+func init() {
+ if v := os.Getenv("SETCGOTRACEBACK"); v == "1" {
+ // Collect some PCs from C-side, but don't symbolize.
+ runtime.SetCgoTraceback(0, unsafe.Pointer(C.CollectCgoTraceback), nil, nil)
+ }
+}
+
+func main() {
+ go cpuHogGoFunction()
+ go cpuHogCFunction()
+ runtime.Gosched()
+
+ if err := pprof.StartCPUProfile(os.Stdout); err != nil {
+ log.Fatal("can't start CPU profile: ", err)
+ }
+ time.Sleep(200 * time.Millisecond)
+ pprof.StopCPUProfile()
+
+ if err := os.Stdout.Close(); err != nil {
+ log.Fatal("can't write CPU profile: ", err)
+ }
+}
+
+var salt1 int
+var salt2 int
+
+func cpuHogGoFunction() {
+ for {
+ foo := salt1
+ for i := 0; i < 1e5; i++ {
+ if foo > 0 {
+ foo *= foo
+ } else {
+ foo *= foo + 1
+ }
+ salt2 = foo
+ }
+ runtime.Gosched()
+ }
+}
+
+func cpuHogCFunction() {
+ // Generates CPU profile samples including a Cgo call path.
+ for {
+ C.CPUHogCFunction()
+ runtime.Gosched()
+ }
+}
diff --git a/src/runtime/pprof/testdata/test32 b/src/runtime/pprof/testdata/test32
new file mode 100755
index 0000000..ce59472
--- /dev/null
+++ b/src/runtime/pprof/testdata/test32
Binary files differ
diff --git a/src/runtime/pprof/testdata/test32be b/src/runtime/pprof/testdata/test32be
new file mode 100755
index 0000000..f13a732
--- /dev/null
+++ b/src/runtime/pprof/testdata/test32be
Binary files differ
diff --git a/src/runtime/pprof/testdata/test64 b/src/runtime/pprof/testdata/test64
new file mode 100755
index 0000000..3fb42fb
--- /dev/null
+++ b/src/runtime/pprof/testdata/test64
Binary files differ
diff --git a/src/runtime/pprof/testdata/test64be b/src/runtime/pprof/testdata/test64be
new file mode 100755
index 0000000..09b4b01
--- /dev/null
+++ b/src/runtime/pprof/testdata/test64be
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