Hello,
For a while, the "weblist" command in go tool pprof has been broken for me
("list" still works). Is this a known issue? What can I do to fix this?
What I am doing:
- I am using "go version go1.18.3 darwin/arm64" on a MacBook Pro (M1 Pro
processor).
- I am profiling one of my unit tests using the following command:
go test -run '^TestAll$' -cpuprofile cpu.out -memprofile mem.out
- I am calling pprof using the command
go tool pprof sfnt.test cpu.out
- most commands seem to work, for example:
(pprof) top10
Showing nodes accounting for 20130ms, 86.54% of 23260ms total
Dropped 162 nodes (cum <= 116.30ms)
Showing top 10 nodes out of 124
flat flat% sum% cum cum%
6790ms 29.19% 29.19% 6790ms 29.19% runtime.madvise
4840ms 20.81% 50.00% 4840ms 20.81% syscall.syscall6
1910ms 8.21% 58.21% 1910ms 8.21% runtime.usleep
1740ms 7.48% 65.69% 1740ms 7.48% runtime.pthread_kill
1710ms 7.35% 73.04% 1710ms 7.35% runtime.pthread_cond_wait
990ms 4.26% 77.30% 990ms 4.26% runtime.kevent
770ms 3.31% 80.61% 2020ms 8.68%
seehuhn.de/go/pdf/font/cff.decodeCharString
540ms 2.32% 82.93% 1440ms 6.19% runtime.scanobject
530ms 2.28% 85.21% 530ms 2.28% runtime.pthread_cond_signal
310ms 1.33% 86.54% 1040ms 4.47% runtime.mallocgc
- "list" works, for example I get the expected output for list
cff.decodeCharString
- "weblist" does not work. If I call weblist cff.decodeCharString the web
browser opens but shows a page containing only the following five lines of
text, and no listing:
File: sfnt.test
Type: cpu
Time: Jun 24, 2022 at 1:09pm (BST)
Duration: 19.03s, Total samples = 23.26s (122.20%)
Total: 23.26s
Am I doing anything wrong? I didn't find any reports of similar problems
on Google, so maybe this is just some oddity of my setup or me doing
something silly?
All the best,
Jochen
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