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Skip iov-generation for regions not having
PROT_READ, since process_vm_readv syscall
can't process them during "read" pre-dump.
Handle random order of "read" & "splice"
pre-dumps.
Signed-off-by: Abhishek Dubey <dubeyabhishek777@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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We want to use a simple fact: If we have an alive process in a pstree we
want to dump, and a starttime of that process is less than pre-dump's
timestamp (taken while all processes were freezed), then these exact
process existed (100% sure) at the time of these pre-dump and the
process' memory was dumped in images.
So save inventory image on pre-dump and put there an uptime.
https://jira.sw.ru/browse/PSBM-67502
v9: improve comment, put uptime to ivnentory image as 1) where is no
stats in parent images directory if --work-dir option is set to
something different then images directory, 2) stats-dump is not an image
and it is a bad practice to put there data required for restoring.
v10:s/u_int64_t/uint64_t/
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
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.. to address protobuf 3.x proto-c warnings
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
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But keep @protobuf as a symlink: we have
this path encoded in sources. Gonna be
removed with time.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
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