On 09/03, Oleksandr Natalenko wrote: > > Statistically, in a large deployment regular segfaults may indicate a CPU issue. > > Currently, it is not possible to find out what CPU the segfault happened on. > There are at least two attempts to improve segfault logging with this regard, > but they do not help in case the logs rotate. > > Hence, lets make sure it is possible to permanently record a CPU > the task ran on using a new core_pattern specifier. > > Suggested-by: Renaud Métrich <rmetrich@xxxxxxxxxx> > Signed-off-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxx> > --- > Documentation/admin-guide/sysctl/kernel.rst | 1 + > fs/coredump.c | 5 +++++ > include/linux/coredump.h | 1 + > 3 files changed, 7 insertions(+) Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>
