commandline session $ 4.2.20 26 526—> time grep -r ‘^Linus’ * | head -n20 | cut -c 1-31 arch/x86/math-emu/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus debian/pkg/headers/README:Linus real 0m1.110s user 0m0.444s sys 0m0.608s $ 4.2.20 27 527—>
Author Archives: jeffrin
using regular expressions in kernel source
commandline session $ 4.2.20 67 568—> grep -r ‘^kernel’ * | head -n20 arch/alpha/kernel/entry.S:kernel_thread: arch/alpha/kernel/entry.S:kernel_execve: arch/avr32/kernel/head.S:kernel_entry: arch/avr32/kernel/head.S:kernel_start_addr: arch/sh/boot/compressed/head_32.S:kernel_start_addr: arch/mn10300/kernel/kernel_execve.S:kernel_execve: arch/mn10300/kernel/kthread.S:kernel_thread_helper: arch/um/.gitignore:kernel/config.c arch/um/.gitignore:kernel/config.tmp arch/um/.gitignore:kernel/vmlinux.lds arch/cris/arch-v32/kernel/process.c:kernel_thread_helper(void* dummy, int (*fn)(void *), void * arg) arch/cris/arch-v32/kernel/process.c:kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) arch/cris/arch-v32/kernel/entry.S:kernel_execve: arch/cris/include/arch-v32/arch/bitops.h:kernel_ffs(unsigned long w) arch/cris/arch-v10/kernel/entry.S:kernel_execve: arch/cris/arch-v10/README.mm:kernel segments like the i386, need to setup swapper_pg_dir directly …
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Eric Biederman
http://www.intel.com/technology/usb/ehcispec.htm http://user.xmission.com/~ebiederm/
Ran Libeskind-Hadas
http://www.one-eyed-alien.net/ http://www.cs.hmc.edu/~hadas/
send patches using git using yahoo mail server
ABOUT git Git (/ɡɪt/[7]) is a distributed version control system for tracking changes in source code during software development.[8] It is designed for coordinating work among programmers, but it can be used to track changes in any set of files. Its goals include speed,[9] data integrity,[10] and support for distributed, non-linear workflows. MAY BE CORRECT …
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&~ operation in C
commandline session switch (_NSIG_WORDS) { default: for (i = _NSIG_WORDS, ready = 0; –i >= 0 ; ) ready |= signal->sig[i] &~ blocked->sig[i]; break; case 4: ready = signal->sig[3] &~ blocked->sig[3]; ready |= signal->sig[2] &~ blocked->sig[2]; ready |= signal->sig[1] &~ blocked->sig[1]; ready |= signal->sig[0] &~ blocked->sig[0]; break; case 2: ready = signal->sig[1] &~ blocked->sig[1]; ready …
(java) bubble sort testing… 0.00003 Ver — 27 No.’s Related
$ 4.2.20 5 505—> time java BubbleSort real 0m0.247s user 0m0.172s sys 0m0.052s $ 4.2.20 6 506—> time java BubbleSort real 0m0.204s user 0m0.148s sys 0m0.036s $ 4.2.20 7 507—> time java BubbleSort real 0m0.207s user 0m0.152s sys 0m0.032s $ 4.2.20 8 508—> time java BubbleSort real 0m0.222s user 0m0.168s sys 0m0.032s $ 4.2.20 9 …
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bogomips . Linux kernel
commandline session root@debian:~# cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 127 model name : AMD Sempron(tm) Processor LE-1150 stepping : 1 microcode : 0x83 cpu MHz : 1000.000 cache size : 256 KB fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : …
lshw . list hardware
commandline session root@debian:~# lshw debian description: Desktop Computer product: M61SME-S2 () vendor: Gigabyte Technology Co., Ltd. width: 64 bits capabilities: smbios-2.4 dmi-2.4 vsyscall32 configuration: boot=normal chassis=desktop uuid=30303141-3444-4632-3731-4236FFFFFFFF *-core description: Motherboard product: M61SME-S2 vendor: Gigabyte Technology Co., Ltd. physical id: 0 version: x.x serial: Sat Sep 01 22:38:46 2007 *-firmware description: BIOS vendor: Award Software International, …
grep . quantifiers. regular expressions.
commandline session $ 4.2.20 10 510—> cat worked Bubble sort Selection sort Insertion sort Shell sort Comb sort Merge sort Heapsort Quicksort Counting sort Bucket sort Radix sort Distribution sort Timsort $ 4.2.20 11 511—> cat worked | grep -E ?sort Bubble sort Selection sort Insertion sort Shell sort Comb sort Merge sort Heapsort Quicksort …