when I use stattcpupprof in my program, I got fatal error malloc deadlock.
delete the cpu pprof, the program run well.
my question is :
Does startcpuprof infect the malloc or resulting OOM Problem
this is my panic stack trace:
fatal error: malloc deadlock
goroutine 17 [running, locked to thread]:
runtime.throw(0x845aa0, 0xf)
C:/Go/src/runtime/panic.go:547 +0x97 fp=0xc082025c68 sp=0xc082025c50
runtime.mallocgc(0x5, 0x0, 0x3, 0x822aa0)
C:/Go/src/runtime/malloc.go:544 +0x1e1 fp=0xc082025d40
sp=0xc082025c68
runtime.rawstring(0x5, 0x0, 0x0, 0x0, 0x0, 0x0)
C:/Go/src/runtime/string.go:284 +0x77 fp=0xc082025d88
sp=0xc082025d40
runtime.gostring(0x7ff94f7f992c, 0x0, 0x0)
C:/Go/src/runtime/string.go:341 +0x62 fp=0xc082025df0
sp=0xc082025d88
main._Cfunc_GoString(0x7ff94f7f992c, 0x0, 0x0)
test/_obj/_cgo_gotypes.go:44 +0x34 fp=0xc082025e10 sp=0xc082025df0
main.goCbStr(0x1, 0x2, 0x7ff94f7f992c, 0xa20fd0)
C:/Programming/go-src/src/test/test.go:125 +0x62 fp=0xc082025ed0
sp=0xc082025e10
runtime.call32(0x0, 0x8eb238, 0x3befdd0, 0x20)
C:/Go/src/runtime/asm_amd64.s:472 +0x45 fp=0xc082025ef8
sp=0xc082025ed0
runtime.cgocallbackg1()
C:/Go/src/runtime/cgocall.go:267 +0x11a fp=0xc082025f30
sp=0xc082025ef8
runtime.cgocallbackg()
C:/Go/src/runtime/cgocall.go:180 +0xde fp=0xc082025f90
sp=0xc082025f30
runtime.cgocallback_gofunc(0x0, 0x0, 0x0)
C:/Go/src/runtime/asm_amd64.s:716 +0x6d fp=0xc082025fa0
sp=0xc082025f90
runtime.goexit()
C:/Go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc082025fa8
sp=0xc082025fa0
goroutine 1 [sleep]:
time.Sleep(0x3b9aca00)
C:/Go/src/runtime/time.go:59 +0x107
main.main()
C:/Programming/go-src/src/test/test.go:64 +0x4c3
goroutine 18 [syscall, locked to thread]:
runtime.goexit()
C:/Go/src/runtime/asm_amd64.s:1998 +0x1
goroutine 6 [syscall]:
runtime.CPUProfile(0x0, 0x0, 0x0)
C:/Go/src/runtime/cpuprof.go:421 +0x3b
runtime/pprof.profileWriter(0x1742f0, 0xc082026038)
C:/Go/src/runtime/pprof/pprof.go:607 +0x23
created by runtime/pprof.StartCPUProfile
C:/Go/src/runtime/pprof/pprof.go:601 +0x14c
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