Domain migration source code interpretation in xl/libxl (xen-4.1.2)

[Alain Tchana <alain.tchana@inria.fr>]

[-- Attachment #1.1: Type: text/plain, Size: 1020 bytes --]

Hi all, 
I am trying to understand domU migration in xen-4.1.2/tools/libxl/xm_cmdimpl.c. Here are my questions: 

1) Is there any documentation which explain each functions? 

2) What is the difference between these two functions: int main_migrate(int argc, char **argv) and int main_migrate_receive(int argc, char **argv)? 

3) In the function: static void migrate_domain(const char *domain_spec, const char *rune, const char *override_config_file) , 
what does: 

*) save_domain_core_begin(domain_spec, override_config_file, &config_data, &config_len); 

*)migrate_read_fixedmessage(recv_fd, migrate_receiver_banner, 
sizeof(migrate_receiver_banner)-1, 
"banner", rune); 

*)save_domain_core_writeconfig(send_fd, "migration stream", 
config_data, config_len); 

*)migration_child_report(child, recv_fd); 

*)Finally, which section of the" migrate_domain" function performs memory copy from the initial host to the target host? 

Please, apologize the number of questions. 

Thanks in advance for your answers. 
Alain 

[-- Attachment #1.2: Type: text/html, Size: 2023 bytes --]

[-- Attachment #2: Type: text/plain, Size: 126 bytes --]

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel