Go to http://localhost:6067/debug/pprof/profile with a browser/curl/etc, it should display a more useful error message.
On Tuesday, February 7, 2017 at 8:51:47 AM UTC-8, Jason E. Aten wrote: > > > > On Tue, Feb 7, 2017 at 10:38 AM, Jason E. Aten <> wrote: > >> On Tue, Feb 7, 2017 at 10:12 AM, Jason E. Aten <> wrote: >> >>> If anyone can supply information on the mystery runtime._ExternalCode >>> that would be super helpful. >>> >>> I'm not linking in any cgo libraries. (beyond what the runtime does >>> automatically for dns). Err... so actually there are some C libs... what is >>> the magic phrase for not linking any C .so? >>> >>> [jaten@biggie bin]$ ldd vhaline >>> linux-vdso.so.1 => (0x00007ffecfd3c000) >>> libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f2a6b5dc000) >>> libc.so.6 => /lib64/libc.so.6 (0x00007f2a6b21b000) >>> /lib64/ld-linux-x86-64.so.2 (0x00007f2a6b808000) >>> [jaten@biggie bin]$ >>> >> >> I'm not having any luck building with CGO_ENABLED=0 under go1.7.4.... >> linux/amd64. I'm getting "go install net: open >> /usr/local/go/pkg/linux_amd64/net.a: permission". Context: >> >> [jaten@biggie vhaline]$ make >> cd vhaline && go install && cd ../cmd/vhaline && go install >> go install net: open /usr/local/go/pkg/linux_amd64/net.a: permission >> denied >> make: *** [build] Error 1 >> [jaten@biggie vhaline]$ ls -al /usr/local/go/pkg/linux_amd64/net.a >> -rw-r-xr-x 1 root root 1007434 Dec 1 21:17 >> /usr/local/go/pkg/linux_amd64/net.a >> [jaten@biggie vhaline]$ file /usr/local/go/pkg/linux_amd64/net.a >> /usr/local/go/pkg/linux_amd64/net.a: current ar archive >> [jaten@biggie vhaline]$ ar x /usr/local/go/pkg/linux_amd64/net.a >> [jaten@biggie vhaline]$ ls -alFtrh|tail >> >> -rw-rw-r-- 1 jaten jaten 121 Feb 7 03:30 Makefile >> drwxrwxr-x 2 jaten jaten 6 Feb 7 04:35 go1.8rc3.prof/ >> -rw-rw-r-- 1 jaten jaten 0 Feb 7 04:36 cpu-profile.85518 >> -rw-rw-r-- 1 jaten jaten 0 Feb 7 04:36 cpu-profile.85524 >> drwxrwxr-x 8 jaten jaten 4.0K Feb 7 15:09 .git/ >> drwxrwxr-x 5 jaten jaten 4.0K Feb 7 15:25 vhaline/ >> -rw-r--r-- 1 jaten jaten 19K Feb 7 16:27 __.PKGDEF >> -rw-r--r-- 1 jaten jaten 947K Feb 7 16:27 _go_.o >> -rw-r--r-- 1 jaten jaten 19K Feb 7 16:27 _all.o >> drwxrwxr-x 6 jaten jaten 4.0K Feb 7 16:27 ./ >> [jaten@biggie vhaline]$ env|grep CGO >> CGO_ENABLED=0 >> [jaten@biggie vhaline]$ >> > > hmm... the profiling instructions from the blog post > > https://blog.golang.org/profiling-go-programs > > doesn't seem to work for go1.7.4/amd64: > > [jaten@biggie 1.7.4]$ go tool pprof > http://localhost:6067/debug/pprof/profile > > > Fetching profile from http://localhost:6067/debug/pprof/profile > > > Please wait... > (30s) > > > server response: 500 Internal Server > Error > > > [jaten@biggie 1.7.4]$ > > > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.