Reading /proc/<pid>/maps and /proc/<pid>/numa_maps takes long
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SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server for SAP Applications 12 Service Pack 1
Applications accessing these files of processes with many threads can show a wide variety of misbehavior (crashes, freezing, high resource consumption, etc.).
- Update the Linux kernel at least to 3.12.61-52.72.1
- Update the Linux kernel at least to 3.12.74-22.214.171.124
The code creating one stack entry per thread has been removed
- revert "procfs: mark thread stack correctly in proc/PID/maps" (bnc#1030901).
time cat /proc/853/maps > /dev/nullMore details about the problem can be found here: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=65376df582174ffcec9e6471bf5b0dd79ba05e4a.
grep stack: /proc/853/maps | wc -l
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- Document ID:7019001
- Creation Date: 17-May-2017
- Modified Date:03-Mar-2020
- SUSE Linux Enterprise Server
- SUSE Linux Enterprise Server for SAP Applications
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