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Adding --pre-dump-mode option

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Two modes of pre-dump algorithm:
    1) splicing memory by parasite
        --pre-dump-mode=splice (default)
    2) using process_vm_readv syscall
        --pre-dump-mode=read

Signed-off-by: Abhishek Dubey <dubeyabhishek777@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
This commit is contained in:
Abhishek Dubey
2019-10-03 19:39:18 +05:30
committed by Andrei Vagin
parent 576a99f492
commit 20d4920a8b
10 changed files with 86 additions and 2 deletions
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15
lib/c/criu.c
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@@ -336,6 +336,21 @@ int criu_set_parent_images(const char *path)
return criu_local_set_parent_images(global_opts, path);
}
int criu_local_set_pre_dump_mode(criu_opts *opts, enum criu_pre_dump_mode mode)
{
opts->rpc->has_pre_dump_mode = true;
if (mode == CRIU_PRE_DUMP_SPLICE || mode == CRIU_PRE_DUMP_READ) {
opts->rpc->pre_dump_mode = mode;
return 0;
}
return -1;
}
int criu_set_pre_dump_mode(enum criu_pre_dump_mode mode)
{
return criu_local_set_pre_dump_mode(global_opts, mode);
}
void criu_local_set_track_mem(criu_opts *opts, bool track_mem)
{
opts->rpc->has_track_mem = true;