B8 ?? ?? ?? ?? mov eax, ??
BA 00 03 FE 7F mov edx, 7FFE0300h
phizev
/ zswap-stats
Last active
January 27, 2024 11:46
Simple, cruddy script to print out some zswap information, and attempt to calculate compression ratio, though unsure if it is accurate, nor if it accounts for overhead. Add -v to get raw dump of the module parameters and kernel debug statistics.
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| #! /bin/sh - | |
| ENABLED=$(cat /sys/module/zswap/parameters/enabled) | |
| COMPRESSOR=$(cat /sys/module/zswap/parameters/compressor) | |
| ZPOOL=$(cat /sys/module/zswap/parameters/zpool) | |
| PAGE_SIZE=$(getconf PAGE_SIZE) | |
| STORED_PAGES=$(cat /sys/kernel/debug/zswap/stored_pages) | |
| POOL_TOTAL_SIZE=$(cat /sys/kernel/debug/zswap/pool_total_size) | |
| POOL_SIZE=$(numfmt --to=iec-i $POOL_TOTAL_SIZE) |
CTimmerman
/ .prospector.yaml
Last active
May 16, 2024 04:45
Out Of Memory (OOM) Killer to save your SSD and other processes.
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| pylint: | |
| disable: | |
| - line-too-long | |
| - multiple-imports | |
| - pointless-string-statement | |
| - too-many-nested-blocks |
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| // Gets a pointer to the PEB for x86, x64, ARM, ARM64, IA64, Alpha AXP, MIPS, and PowerPC. | |
| // This relies on MS-compiler intrinsics. | |
| // It has only been tested on x86/x64/ARMv7. | |
| inline PEB* NtCurrentPeb() { | |
| #ifdef _M_X64 | |
| return (PEB*)(__readgsqword(0x60)); | |
| #elif _M_IX86 | |
| return (PEB*)(__readfsdword(0x30)); |
mapuo
/ debian_ksm.md
Last active
September 21, 2023 20:44
Enable KSM (Kernel Same-Page Merging) on boot in Debian
nikAizuddin
/ NASMx86: Allocate heap memory
Created
October 12, 2014 22:58
Example using brk() system call for dynamic memory allocations
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| ; 1 2 3 4 5 6 7 | |
| ;01234567890123456789012345678901234567890123456789012345678901234567890 | |
| ;======================================================================= | |
| ;+---------------------------------------------------------------------+ | |
| ;| | | |
| ;| Example using brk() system call for dynamic memory allocations. | | |
| ;| | | |
| ;| DON'T CONFUSE that brk() used in C Function is different with brk() | | |
| ;| systemcall (systemcall 45 for x86 ASM). | | |
| ;| | |
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| /* | |
| * C11 <threads.h> emulation library | |
| * | |
| * (C) Copyright yohhoy 2012. | |
| * Distributed under the Boost Software License, Version 1.0. | |
| * (See copy at http://www.boost.org/LICENSE_1_0.txt) | |
| */ | |
| #ifndef EMULATED_THREADS_H_INCLUDED_ | |
| #define EMULATED_THREADS_H_INCLUDED_ | |