Delve is a debugger for Go
Delve is a debugger for the Go. Most Go editors/IDEs use delve as the backend for their debugger features.
Questions tagged [delve]
201 questions
4
votes
1 answer
Cannot set breakpoint in golang packages in Intellij 2020.1
I have a simple web app which has cmd/ and pkg/ folders. As a convention, I'm importing packages in *.go files in cmd folder. Setting breakpoints work fine in any file in cmd but it doesn't work in packages.
Error message is:
could not find…
baqx0r
- 105
- 1
- 2
- 11
4
votes
1 answer
How to inspect memory region of a core dump with Delve?
Given a core dump of a Go service, is there any command on Delve that can inspect memory region?
We are trying to find out what is occupying the heap.
Dian Bakti
- 310
- 5
- 15
4
votes
3 answers
Unable to debug Go code: could not launch process: decoding dwarf section info at offset 0x0: too short
we are trying to debug Go code and getting this error:
could not launch process: decoding dwarf section info at offset 0x0: too short
our settings:
WITSC02X6385JGH:orderer sjain68$ uname -a
Darwin WITSC02X6385JGH 17.7.0 Darwin Kernel Version…
morpheus
- 18,676
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- 96
- 159
4
votes
1 answer
Debugging with Delve: execute function
I setup a breakpoint in my Go code with runtime.Breakpoint(), save the file (my editor, Atom with go-plus installed, runs go install . on save). Then I run Delve in terminal with dlv debug, and type continue after it starts.
When the breakpoint…
Dušan Maďar
- 9,269
- 5
- 49
- 64
4
votes
1 answer
golang doing unexpected heap memory allocation
While benchmarking, I noticed a surprising heap memory allocation. After reducing the repro, I ended up with the following:
// --- Repro file ---
func memAllocRepro(values []int) *[]int {
for {
break
}
return &values
}
// ---…
djme
- 51
- 4
3
votes
0 answers
Goland debugger does step into functions
A couple of GoLand versions ago, the GoLand debugger stopped stepping into functions properly.
It works partially but with annoying caveats.
The debugger is stopping on breakpoints and step-over is working fine, but when I step into a function:
the…
user3913439
- 396
- 1
- 10
3
votes
0 answers
Go Delve debugger just hangs when debugging WSL2-target from within GoLand
That's a question that goes hand in hand with this one here.
Difference: in the linked question I am using GoLand from within WSL (having Run Target set to its default which is "Local Machine") and in this question I am using GoLand from outside WSL…
marc wellman
- 5,808
- 5
- 32
- 59
3
votes
3 answers
Unable to debug Golang on Vscode M1 Mac (arm64)
I have an M1 mac and cannot invoke functions via DLV in VSCode.
Unable to evaluate expression: backend does not support function calls
Delve Debugger
Version: 1.8.2
❯ go version …
Ryan
- 1,102
- 1
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- 30
3
votes
0 answers
Delve - instruct binary to wait for client to connect
I'm currently developing a plugin for a product. This product invokes this plugin, written in GO, which runs for a very short time.
Because it runs so quickly, it makes it very hard (almost impossible with my knowledge) to attach delve client to…
Matej
- 7,728
- 4
- 23
- 30
3
votes
1 answer
Go plugin debugging
There is a golang application that loads the plugin at runtime. I am developing this plugin and I would like to ask if there is an opportunity to debug the code of my plugin?
I tried to run delve by compiling both the application and the plugin with…
Андрей Крюков
- 51
- 4
3
votes
0 answers
How to specify port, on which debugger will launch Go app, in VSCode
I am trying to debug Go app. Launch config works fine, but seems dlv picking up random port every time debugger starts, which I can see from my logs in console the port is "0"(which means random one):
2021/12/23 15:16:57 Serving on port: 0
Compare…
Ivan S
- 31
- 2
3
votes
1 answer
Go & VS Code Debugging | manually setting variable, not appearing in Locals, using Dlv
I'm trying to "force" my Go system to behave in a particular manner to make my "testing" easier.
I have the following code snippet:
func SendTokenProcessFromModel(process model.Process) (*SendTokenProcess, error) {
cdc := codec.New()
var…
Ben
- 41
- 8
3
votes
0 answers
Unable to debug Go code on Windows using VSCode/GoLand (Getting '%1 is not a valid Win32 application')
When I am trying to debug this Go application using VS Code and dlv, I get the following error:
Failed to launch: could not launch process: fork/exec
C:\Users\MyUser\Workspaces\goworkspace\github.com...__debug_bin.exe:%1
is not a valid Win32…
SDB
- 61
- 1
- 4
3
votes
2 answers
how to show float value of decimal.Decimal during delve mozilla rr(record-replay) replay session
How can we easily see the float value of decimal.Decimal value in delve session.
especially in dlv replay session recorded by mozilla rr.
(dlv) args
underlyingPx = github.com/shopspring/decimal.Decimal {value: ("*math/big.Int")(0xc00101cca0), exp:…
whunmr
- 2,435
- 2
- 22
- 35
3
votes
3 answers
How can I simulate interactive console in VSCode debugger?
I am trying to debug this Go program which reads text and outputs it to console via VSCode debugger.
package main
import (
"bufio"
"fmt"
"os"
)
func main() {
reader := bufio.NewReader(os.Stdin)
fmt.Print("Enter text: ")
…
ik1ne
- 1,041
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