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| author | Mahmoud Mandour <ma.mandourr@gmail.com> | 2021-07-30 15:58:10 +0200 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2021-09-02 11:29:34 +0100 |
| commit | 60753843f6f6c3933f6ac10667eef8a4327279e2 (patch) | |
| tree | f7c676cadeccba2543b5118495d10ed2ce5ebea0 /docs/devel/tcg-plugins.rst | |
| parent | b18a0cad812c6b3afc158bb050b0a2232f9776b7 (diff) | |
| download | qemu-60753843f6f6c3933f6ac10667eef8a4327279e2.zip qemu-60753843f6f6c3933f6ac10667eef8a4327279e2.tar.gz qemu-60753843f6f6c3933f6ac10667eef8a4327279e2.tar.bz2 | |
plugins/hwprofile: adapt to the new plugin arguments scheme
Parsing boolean arguments correctly (e.g. pattern=on or source=false).
Introduced a new "track" argument that takes a [read|write] value. This
substitutes passing read or write to "arg=" that is deprecated.
Also, matches are now taken one by one through the "match" argument.
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-7-ma.mandourr@gmail.com>
Diffstat (limited to 'docs/devel/tcg-plugins.rst')
| -rw-r--r-- | docs/devel/tcg-plugins.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/docs/devel/tcg-plugins.rst b/docs/devel/tcg-plugins.rst index 5cddf31..e1f9eff 100644 --- a/docs/devel/tcg-plugins.rst +++ b/docs/devel/tcg-plugins.rst @@ -306,22 +306,22 @@ which will eventually report:: The hwprofile tool can only be used with system emulation and allows the user to see what hardware is accessed how often. It has a number of options: - * arg=read or arg=write + * track=read or track=write By default the plugin tracks both reads and writes. You can use one of these options to limit the tracking to just one class of accesses. - * arg=source + * source Will include a detailed break down of what the guest PC that made the - access was. Not compatible with arg=pattern. Example output:: + access was. Not compatible with the pattern option. Example output:: cirrus-low-memory @ 0xfffffd00000a0000 pc:fffffc0000005cdc, 1, 256 pc:fffffc0000005ce8, 1, 256 pc:fffffc0000005cec, 1, 256 - * arg=pattern + * pattern Instead break down the accesses based on the offset into the HW region. This can be useful for seeing the most used registers of a |