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device: 0.480
graphic: 0.356
mistranslation: 0.351
semantic: 0.317
socket: 0.295
network: 0.213
other: 0.211
instruction: 0.208
vnc: 0.165
boot: 0.108
KVM: 0.080
assembly: 0.041
trace: SystemTap documentation out of date
The docs/devel/tracing.txt help suggest:
scripts/tracetool.py --backends=dtrace --format=stap \
--binary path/to/qemu-binary \
--target-type system \
--target-name x86_64 \
<trace-events-all >qemu.stp
but since commit 2098c56a9bc this comment is outdated:
$ scripts/tracetool.py --backends=dtrace --format=stap \
--binary mips-softmmu/qemu-system-mips \
--target-type system \
--target-name mips trace-events-all
Error: group name is required
The offending commit seems:
commit 2098c56a9bc5901e145fa5d4759f075808811685
Author: Daniel P. Berrange <email address hidden>
Date: Wed Jan 25 16:14:14 2017 +0000
trace: move setting of group name into Makefiles
Fixed by commit bd200384c515 (trace: add --group=all to tracing.txt).
Fixed in v4.2.0.
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