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plugins: add qemu_plugin_num_vcpus function

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We now keep track of how many vcpus were started. This way, a plugin can
easily query number of any vcpus at any point of execution, which
unifies user and system mode workflows.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240213094009.150349-3-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240227144335.1196131-17-alex.bennee@linaro.org>
This commit is contained in:
Pierrick Bouvier 2024-02-27 14:43:22 +00:00 • committed by Alex Bennée
parent 926e146eff
commit 4a448b148c
5 changed files with 19 additions and 0 deletions
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3
include/qemu/qemu-plugin.h
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@ -645,6 +645,9 @@ QEMU_PLUGIN_API
void qemu_plugin_register_atexit_cb(qemu_plugin_id_t id,
qemu_plugin_udata_cb_t cb, void *userdata);
/* returns how many vcpus were started at this point */
int qemu_plugin_num_vcpus(void);
/**
* qemu_plugin_outs() - output string via QEMU's logging system
* @string: a string