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| author | Michael Pratt <mpratt@google.com> | 2022-09-30 17:08:43 -0400 |
|---|---|---|
| committer | Michael Pratt <mpratt@google.com> | 2022-10-14 14:48:40 +0000 |
| commit | a401468b0092446d537edc2000c23e8015ce6b58 (patch) | |
| tree | 38b59e415f489ac13d4ba25ff9c384dfcc9ae2a3 /src/runtime/symtab.go | |
| parent | f2656f20ea420ada5f15ef06ddf18d2797e18841 (diff) | |
| download | go-a401468b0092446d537edc2000c23e8015ce6b58.tar.xz | |
runtime/pprof: set Function.start_line field
Now that we plumb the start line to the runtime, we can include in pprof
files. Since runtime.Frame.startLine is not (currently) exported, we
need a runtime helper to get the value.
For #55022.
Updates #56135.
Change-Id: Ifc5b68a7b7170fd7895e4099deb24df7977b22ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/438255
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Austin Clements <austin@google.com>
Diffstat (limited to 'src/runtime/symtab.go')
| -rw-r--r-- | src/runtime/symtab.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/runtime/symtab.go b/src/runtime/symtab.go index 920ec12d54..f47f96dd0f 100644 --- a/src/runtime/symtab.go +++ b/src/runtime/symtab.go @@ -170,6 +170,13 @@ func (ci *Frames) Next() (frame Frame, more bool) { return } +// runtime_FrameStartLine returns the start line of the function in a Frame. +// +//go:linkname runtime_FrameStartLine runtime/pprof.runtime_FrameStartLine +func runtime_FrameStartLine(f *Frame) int { + return f.startLine +} + // runtime_expandFinalInlineFrame expands the final pc in stk to include all // "callers" if pc is inline. // |