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Code Issues Releases Wiki Activity

lazy-pages: introduce lazy_pages_summary

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It verifies that amount of collected and transferred pages is consitent
and prints a summary

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Mike Rapoport
2016-04-18 16:34:34 +03:00
committed by Andrei Vagin
parent 0b9014511e
commit 6490d5d347
1 changed files with 15 additions and 9 deletions
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24
criu/uffd.c
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@@ -547,6 +547,20 @@ static int handle_user_fault(int fd, struct list_head *uffd_list, void *dest)
return 0; return 0;
} }
static int lazy_pages_summary(void)
{
pr_debug("With UFFD transferred pages: (%ld/%ld)\n", uffd_copied_pages, total_pages);
if ((uffd_copied_pages != total_pages) && (total_pages > 0)) {
pr_warn("Only %ld of %ld pages transferred via UFFD\n", uffd_copied_pages,
total_pages);
pr_warn("Something probably went wrong.\n");
return 1;
}
return 0;
}
static int handle_requests(int fd) static int handle_requests(int fd)
{ {
fd_set set; fd_set set;
@@ -606,15 +620,7 @@ static int handle_requests(int fd)
goto out; goto out;
} }
pr_debug("With UFFD transferred pages: (%ld/%ld)\n", uffd_copied_pages, total_pages); ret = lazy_pages_summary();
if ((uffd_copied_pages != total_pages) && (total_pages > 0)) {
pr_warn("Only %ld of %ld pages transferred via UFFD\n", uffd_copied_pages,
total_pages);
pr_warn("Something probably went wrong.\n");
ret = 1;
goto out;
}
ret = 0;
out: out:
free(dest); free(dest);