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| author | Pierrick Bouvier <pierrick.bouvier@linaro.org> | 2024-02-27 14:43:22 +0000 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2024-02-28 09:11:36 +0000 |
| commit | 4a448b148ca076d80a41addd4fc1e49497cb23c8 (patch) | |
| tree | 73b2d9122e8921d125dabe0b94019751f7d570b1 /plugins/core.c | |
| parent | 926e146eff8d7b89754e8b681f80e962d220f077 (diff) | |
| download | focaccia-qemu-4a448b148ca076d80a41addd4fc1e49497cb23c8.tar.gz focaccia-qemu-4a448b148ca076d80a41addd4fc1e49497cb23c8.zip | |
plugins: add qemu_plugin_num_vcpus function
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>
Diffstat (limited to 'plugins/core.c')
| -rw-r--r-- | plugins/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/plugins/core.c b/plugins/core.c index ee2fa41af9..caa6631135 100644 --- a/plugins/core.c +++ b/plugins/core.c @@ -213,6 +213,7 @@ void qemu_plugin_vcpu_init_hook(CPUState *cpu) bool success; qemu_rec_mutex_lock(&plugin.lock); + plugin.num_vcpus = MAX(plugin.num_vcpus, cpu->cpu_index + 1); plugin_cpu_update__locked(&cpu->cpu_index, NULL, NULL); success = g_hash_table_insert(plugin.cpu_ht, &cpu->cpu_index, &cpu->cpu_index); @@ -570,3 +571,8 @@ static void __attribute__((__constructor__)) plugin_init(void) QHT_MODE_AUTO_RESIZE); atexit(qemu_plugin_atexit_cb); } + +int plugin_num_vcpus(void) +{ + return plugin.num_vcpus; +} |