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docs/devel: clean-up qemu invocations in tcg-plugins

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We currently have the final binaries in the root of the build dir so
the build prefix is superfluous. Additionally add a shell prompt to be
more in line with the rest of the code.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929114231.583801-38-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2022-09-29 12:42:17 +01:00
parent 5413c37f3b
commit 1d0603a990
1 changed files with 9 additions and 9 deletions
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18
docs/devel/tcg-plugins.rst
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@ -172,7 +172,7 @@ slightly faster (but not thread safe) counters.
Example::
./aarch64-linux-user/qemu-aarch64 \
$ qemu-aarch64 \
-plugin contrib/plugins/libhotblocks.so -d plugin \
./tests/tcg/aarch64-linux-user/sha1
SHA1=15dd99a1991e0b3826fede3deffc1feba42278e6
@ -186,7 +186,7 @@ Example::
Similar to hotblocks but this time tracks memory accesses::
./aarch64-linux-user/qemu-aarch64 \
$ qemu-aarch64 \
-plugin contrib/plugins/libhotpages.so -d plugin \
./tests/tcg/aarch64-linux-user/sha1
SHA1=15dd99a1991e0b3826fede3deffc1feba42278e6
@ -220,7 +220,7 @@ counted. You can give a value to the ``count`` argument for a class of
instructions to break it down fully, so for example to see all the system
registers accesses::
./aarch64-softmmu/qemu-system-aarch64 $(QEMU_ARGS) \
$ qemu-system-aarch64 $(QEMU_ARGS) \
-append "root=/dev/sda2 systemd.unit=benchmark.service" \
-smp 4 -plugin ./contrib/plugins/libhowvec.so,count=sreg -d plugin
@ -288,10 +288,10 @@ for the plugin is a path for the socket the two instances will
communicate over::
./sparc-softmmu/qemu-system-sparc -monitor none -parallel none \
$ qemu-system-sparc -monitor none -parallel none \
-net none -M SS-20 -m 256 -kernel day11/zImage.elf \
-plugin ./contrib/plugins/liblockstep.so,sockpath=lockstep-sparc.sock \
-d plugin,nochain
-d plugin,nochain
which will eventually report::
@ -348,7 +348,7 @@ Please be aware that this will generate a lot of output.
The plugin needs default argument::
qemu-system-arm $(QEMU_ARGS) \
$ qemu-system-arm $(QEMU_ARGS) \
-plugin ./contrib/plugins/libexeclog.so -d plugin
which will output an execution trace following this structure::
@ -365,10 +365,10 @@ which will output an execution trace following this structure::
0, 0x10c8, 0xfff96c43, "ldr r3, [r0, #0x44]", load, 0x200000e4, RAM
the output can be filtered to only track certain instructions or
addresses using the `ifilter` or `afilter` options. You can stack the
addresses using the ``ifilter`` or ``afilter`` options. You can stack the
arguments if required::
qemu-system-arm $(QEMU_ARGS) \
$ qemu-system-arm $(QEMU_ARGS) \
-plugin ./contrib/plugins/libexeclog.so,ifilter=st1w,afilter=0x40001808 -d plugin
- contrib/plugins/cache.c
@ -377,7 +377,7 @@ Cache modelling plugin that measures the performance of a given L1 cache
configuration, and optionally a unified L2 per-core cache when a given working
set is run::
qemu-x86_64 -plugin ./contrib/plugins/libcache.so \
$ qemu-x86_64 -plugin ./contrib/plugins/libcache.so \
-d plugin -D cache.log ./tests/tcg/x86_64-linux-user/float_convs
will report the following::