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Coiby Xu 6ce4b85bb3 Include the memory overhead cost of cryptsetup when estimating the memory requirement for LUKS-encrypted target 
Currently, "kdumpctl estimate" neglects the memory overhead cost of
cryptsetup itself. Unfortunately, there is no golden formula to
calculate the overhead cost [1]. So estimate the overhead cost as 50M
for aarch64 and 20M for other architectures based on the following
empirical data,

| Overhead (M) | OS                                        | arch    |
| ------------ | ----------------------------------------- | ------- |
| 14.1         | RHEL-9.2.0-20220829.d.1                   | ppc64le |
| 14           | Fedora-37-20220830.n.0 Everything ppc64le | ppc64le |
| 17           | Fedora 36                                 | ppc64le |
| 8.8          | Fedora 35                                 | s390x   |
| 10.1         | Fedora-Rawhide-20220829.n.0, fc38         | s390x   |
| 42           | Fedora-Rawhide-20220829.n.0, fc38         | arch64  |
| 40           | F35                                       | arch64  |
| 42           | F36                                       | arch64  |
| 42           | Fedora-Rawhide-20220901.n.0               | arch64  |
| 10           | F35                                       | x86_64  |
| 10           | Fedora-Rawhide-20220901.n.0               | x86_64  |
| 11           | Fedora-Rawhide-20220901.n.0               | x86_64  |

[1] https://lore.kernel.org/cryptsetup/20220616044339.376qlipk5h2omhx2@Rk/T/#u

Fixes: e9e6a2c ("kdumpctl: Add kdumpctl estimate")
Signed-off-by: Coiby Xu <coxu@redhat.com>
Reviewed-by: Philipp Rudo <prudo@redhat.com>
2022-10-26 15:38:21 +08:00
spec unit tests: add tests for get_system_size and get_recommend_size 2022-05-13 11:03:22 +08:00
tests tests: specify the Fedora version when running fedpkg sources 2022-08-03 20:14:12 +08:00
.editorconfig kdump-lib-initramfs.sh: prepare to be a POSIX compatible lib 2021-09-14 03:25:46 +08:00
.gitignore unit tests: prepare for kdumpctl and kdump-lib.sh to be unit-tested 2022-04-14 11:44:12 +08:00
.shellspec unit tests: add tests for get_grub_kernel_boot_parameter 2022-04-14 11:44:27 +08:00
60-kdump.install Write to /var/lib/kdump if $KDUMP_BOOTDIR not writable 2021-04-19 16:11:17 +08:00
92-crashkernel.install Prefix reset-crashkernel-{for-installed_kernel,after-update} with underscore 2022-10-20 13:54:10 +08:00
98-kexec.rules Make udev reload rules quiet during bootup 2018-12-06 17:44:03 +08:00
98-kexec.rules.ppc64 Stop reloading kdump service on CPU hotplug event for FADump 2021-03-10 16:24:42 +08:00
crashkernel-howto.txt remind the users to run zipl after calling grubby on s390x 2022-08-03 11:09:55 +08:00
dracut-early-kdump-module-setup.sh dracut-early-kdump-module-setup.sh: install xargs and kdump-lib-initramfs.sh 2021-12-27 09:16:19 +08:00
dracut-early-kdump.sh dracut-early-kdump.sh: make it POSIX compatible 2021-09-15 23:11:37 +08:00
dracut-fadump-init-fadump.sh fadump-init: clean up mount points properly 2021-06-30 17:28:45 +08:00
dracut-fadump-module-setup.sh fadump: isolate fadump initramfs image within the default one 2021-06-29 21:35:58 +08:00
dracut-kdump-capture.service kdump-capture.service: switch to journal for stdout 2022-04-02 16:24:32 +08:00
dracut-kdump-emergency.service Merge kdump-error-handler.sh into kdump.sh 2021-09-14 03:25:54 +08:00
dracut-kdump-emergency.target kdump-emergency: fix "Transaction is destructive" emergency failure 2017-03-31 11:54:30 +08:00
dracut-kdump.sh Fix the sync issue for dump_fs 2022-10-08 15:46:11 +08:00
dracut-module-setup.sh virtiofs support for kexec-tools 2022-09-29 12:22:49 +08:00
dracut-monitor_dd_progress monitor-dd-progress fix 2013-06-25 16:45:59 +08:00
early-kdump-howto.txt Improves the early-kdump-howto.txt document in several points: 2020-03-12 23:31:34 +08:00
fadump-howto.txt update fadump-howto 2022-04-24 09:35:05 +08:00
gen-kdump-sysconfig.sh sysconfig: use a simple generator script to maintain 2022-08-16 14:35:35 +08:00
kdump-dep-generator.sh logger: source the logger file individually 2021-01-20 14:13:44 +08:00
kdump-in-cluster-environment.txt Add fence_kdump support for generic clusters 2014-04-03 14:43:06 +08:00
kdump-lib-initramfs.sh Fix grep warnings "grep: warning: stray \ before -" 2022-10-26 14:16:04 +08:00
kdump-lib.sh Seperate dracut and dracut-squash compressor for zstd 2022-10-20 12:26:37 +08:00
kdump-logger.sh Add header comment for POSIX compliant scripts 2021-09-15 23:11:37 +08:00
kdump-migrate-action.sh kdump/ppc64: rebuild initramfs image after migration 2021-07-21 10:53:59 +08:00
kdump-restart.sh kdump/ppc64: rebuild initramfs image after migration 2021-07-21 10:53:59 +08:00
kdump-udev-throttler Make udev reload rules quiet during bootup 2018-12-06 17:44:03 +08:00
kdump.conf virtiofs support for kexec-tools 2022-09-29 12:22:49 +08:00
kdump.conf.5 introduce the auto_reset_crashkernel option to kdump.conf 2022-01-05 09:40:24 +08:00
kdump.service kdump.service: use ConditionKernelCommandLine=crashkernel 2020-10-27 12:22:36 -04:00
kdumpctl Include the memory overhead cost of cryptsetup when estimating the memory requirement for LUKS-encrypted target 2022-10-26 15:38:21 +08:00
kdumpctl.8 add man documentation for kdumpctl get-default-crashkernel 2022-04-24 09:35:05 +08:00
kexec-kdump-howto.txt update kexec-kdump-howto 2022-04-24 09:35:05 +08:00
kexec-tools-2.0.23-s390_handle_R_390_PLT32DBL_reloc_entries_in_machine_apply_elf_rel_.patch s390: handle R_390_PLT32DBL reloc entries in machine_apply_elf_rel() 2022-01-26 08:25:43 +08:00
kexec-tools.spec Only try to reset crashkernel for osbuild during package install 2022-10-20 13:54:10 +08:00
live-image-kdump-howto.txt Revert "kdumpctl: filter 'root' kernel parameter when running in live images" 2017-04-11 16:03:12 +08:00
mkdumprd Seperate dracut and dracut-squash compressor for zstd 2022-10-20 12:26:37 +08:00
mkdumprd.8 Doc: improve mkdumprd man page 2020-12-11 14:05:08 +08:00
mkfadumprd Seperate dracut and dracut-squash compressor for zstd 2022-10-20 12:26:37 +08:00
README README: Add a README file 2014-04-02 10:45:36 +08:00
sources Release 2.0.25-1 2022-08-03 20:14:23 +08:00
zanata-notes.txt Add a notes for zanata process 2012-12-05 01:23:09 -05:00

README 

Adding a patch to kexec-tools
=============================
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