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pathchar linux
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It is an independently-written reimplementation of the pathchar utility, using similar algorithms.. bw = 4686.320952 Kbps Partial queueing: avg = 0.000100 ms (46 bytes) 3: 146.246.246.1 (dancer.ca.sandia.gov) Path length: 3 hops Path char: rtt = 1.044412 ms,.. Some versions of Linux appear to have similar rate-limiting. pathchar is a new tool, written by Van Jacobson at Lawrence Berkeley Laboratory (LBL), that tries to infer the characteristics of individual links along an Internet path by measuring the round trip time of packets sent from a single host. An alpha version of pathchar is available for FreeBSD, Linux, OSF and Solaris here. UNIX and Linux Forums. Search Engine Optimisation provided by DragonByte SEO v2.0.32 (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd. Unix & Linux Forums Content Copyright©1993-2017. All Rights Reserved. Forum Operations by The UNIX and Linux Forums. Overview: Similar to pathchar, pchar attempts to characterize the bandwidth, latency, and loss of links along an end-to-end path through the Internet. pchar works on both IPv4 and IPv6 networks. It has been tested on various versions of FreeBSD, NetBSD, OpenBSD, Linux, Solaris, OSF/1, and IRIX, with. Clink was written by Allen Downey (downey@colby.edu), based on pathchar, a similar program written by Van Jaconbson.. tar -xf clink.1.0.tar (if the tar file is not compressed) Move into the newly created directory and compile clink: cd clink.1.0 make Clink will probably only compile and run on Linux machines, but it should. setfilecon(3) SELinux API documentation setfilecon(3). NAME top. setfilecon, fsetfilecon, lsetfilecon - set SELinux security context of a file. SYNOPSIS top. #include int setfilecon(const char *path, char *con); int setfilecon_raw(const char *path, char *con); int lsetfilecon(const char *path, char *con); int. getfilecon(3) SELinux API documentation getfilecon(3). NAME top. getfilecon, fgetfilecon, lgetfilecon - get SELinux security context of a file. SYNOPSIS top. #include int getfilecon(const char *path, char **con); int getfilecon_raw(const char *path, char **con); int lgetfilecon(const char *path, char **con); int. One strength of pathchar and its variants is that they can discover the bandwidth of each link along a path using software at only one end of the path. The method used is basically that... As you can see, Linux breaks down lost packets into three categories -- errors, drops, and overruns. Unfortunately, the numbers netstat. I've put the viewgraphs from the talk (which are the only existing documentation) at ftp://ftp.ee.lbl.gov/pathchar/msri-talk.ps.gz If you really deperately want to play with a very flakey, alpha version of pathchar, there are binaries for freebsd, linux and solaris in the same directory (but you are totally on your own. FILE *rfio_fopen (char *path, char *mode);. Under Linux, for large files: #define _LARGEFILE64_SOURCE #include #include "rfio_api.h". FILE *rfio_fopen64 (char *path, char *mode);. For large files, under other systems: #include #include "rfio_api.h". FILE *rfio_fopen64 (char *path, char *mode);. The original pathchar distributions can be found at the pathchar FTP site. Binary distributions are available for FreeBSD, NetBSD, Solaris, Linux, and OSF/1. pathrate is a network measurement tool that measures the dispersion of packet pairs to estimate the available bandwidth along a path. It was written. Index of /Linux/pathchar/ ../ pathchar-a1-linux-2.0.30.tar.gz 17-Sep-2001 20:00 102475. pathchar is a new tool, written by Van Jacobson at Lawrence. Berkeley Laboratory LBL , that tries to infer the character- istics of individual links along an Internet path by measuring the round trip time of packets sent from a single host. An alpha version of pathchar is available for FreeBSD, Linux,. OSF and Solaris from ftp:. Listing the extended attributes on a file The following three system calls enumerate the set of extended attribute keys assigned to a given file: #include sys/types.h> #include ssize_t listxattr (const char *path, char *list, size_t size); ssize_t llistxattr (const char *path, char*list, size_t size); ssize_t flistxattr (intfd. istics of individual links along an Internet path by measuring. the round trip time of packets sent from a single host. An. alpha version of pathchar is available for FreeBSD, Linux,. OSF and Solaris at ftp://ftp.ee.lbl.gov/pathchar. We. explain the basic mechanism and evaluate its accuracy on. two paths whose link characteristics. msri-talk.ps.gz, 02-Dec-1997 00:00, 52K. [ ], pathchar-a0-freebsd-2.2.tar.gz, 18-Nov-1998 00:00, 81K. [ ], pathchar-a1-freebsd-3.0.tar.gz, 31-Oct-1998 00:00, 88K. [ ], pathchar-a1-linux-2.0.30.tar.gz, 02-Dec-1997 00:00, 100K. [ ], pathchar-a1-netbsd1.3H-decalpha.tar.gz, 02-Oct-1998 00:00, 137K. [ ], pathchar-a1-osf-4.0.tar.gz. Moreover, we could not build pathchar [10] or pchar [14] as they can not be built on newer Linux systems. Currently, PlanetLab runs kernel version 2.4.22, but pathchar supports up to 2.0.30 and pchar up to 2.3. When we tested Clink [5] on PlanetLab, the experiment were simply “hung" without making any progress. ... (char *)0, char "const envpU); int axecv( const char *path, char *const argv[]>; int axecvp (const char *£ile, char *const argv[]); int execve (const char *path, char *const argv[], char 'const envpU); These functions belong to two types, execl, execlp, and execle take a variable number of arguments ending with a null pointer,. ... synchronization of software clocks, Internet Measurement Conf. (IMC) (2004). Pathchar, www.caida.org/tools/utilities/others/pathchar.. V. Yodaiken and M. Barabanov, A real-time Linux, Linux Applications Development and Deployment Conf. (USELINUX). (1997). V. Yodaiken, The RTLinux Manifesto, The 5th Linux Expo. Partial char: rtt = 25.461597 ms, (b = 0.011934 ms/B), r2 = 0.228707 stddev rtt = 10.426112, stddev b = 0.012653. Partial queueing: avg = 0.000000 ms (0 bytes). Hop char: rtt = 16.110487 ms, bw = 1147.210397 Kbps. Hop queueing: avg = 0.000000 ms (0 bytes). […] • Needs love. Based on pathchar (Linux 2.0.30). int spawnl(int mode, char *path, char *arg0,.); int spawnle(int mode, char *path, char *arg0,., char ** envp);: int spawnlp(int mode, char *path, char *arg0,.); int spawnlpe(int mode, char *path, char *arg0,., char ** envp);: int spawnv(int mode, char *path, char **argv);: int spawnve(int mode, char *path, char **argv, char. msri-talk.ps.gz, 2012-03-09 16:06, 52K. [ ], pathchar-a0-freebsd-2.2.tar.gz, 2012-03-09 16:06, 81K. [ ] · pathchar-a1-freebsd-3.0.tar.gz, 2012-03-09 16:06, 88K. [ ], pathchar-a1-linux-2.0.30.tar.gz, 2012-03-09 16:06, 100K. [ ] · pathchar-a1-netbsd1.3H-decalpha.tar.gz, 2012-03-09 16:06, 137K. [ ], pathchar-a1-osf-4.0.tar.gz. This is an annotated pathchar trace from a Linux laptop on the Qualcomm internal network to the San Diego Road Runner system. This test was run in the late evening of June 23, 1997. Pathchar takes a long time, especially when the packet loss rate is high as it often is along this path. It typically takes minutes to complete. NAME. setfilecon, fsetfilecon, lsetfilecon - set SELinux security context of a file. SYNOPSIS. #include . int setfilecon(const char *path, char * con);. int setfilecon_raw(const char *path, char * con);. int lsetfilecon(const char *path, char * con);. int lsetfilecon_raw(const char *path, char * con);. int fsetfilecon(int. 注意: "pathchar"は現在αバージョンで、バイナリ版のみ配布されています。 Solaris2.5.1(SPARC)以上、Linux-2.0.30以上、OSF 4.0、FreeBSD 2.2以上の各OSに対応しています。 pathchar — a tool to infer characteristics of Internet paths. Van Jacobson. (van@ee.lbl.gov). Network Research Group. Lawrence Berkeley National Laboratory. Berkeley, CA 94720. MSRI. April 21, 1997 c 1997 by Van Jacobson. All rights reserved. pathchar-a1-linux-2.0.30.tar pathchar package of technology is based on measurement of network bandwidth test tool, use linux system. 2010-08-01 net-p2p/javadc: is ancient, unmaintained, works only with JDK 1.3, no master site 2010-09-01 net/pathchar: has been broken for 2+ years, no sources available 2010-08-05 www/linux-nvu: NVU 1.0, released June 2005, is the last official release of NVU. Kompozer has picked up where NVU has left off. Please. int _EXFUN(execl, (const char *__path, const char *,. )); int _EXFUN(execle, (const char *__path, const char *,. )); int _EXFUN(execlp, (const char *__file, const char *,. )); int _EXFUN(execv, (const char *__path, char * const __argv[] ));. int _EXFUN(execve, (const char *__path, char * const __argv[], char * const __envp[] ));. We evaluate pathchar, a tool that infers the characteristics of links along an Internet path (latency, bandwidth, queue delays). Looking at two example paths, we identify circumstances where pathchar is likely to succeed, and develop techniques to improve the accuracy of pathchar's estimates and reduce the time it takes to. int execlpe(const char *file, const char *arg0,., const char *argn, (char *)0, char *const envp[]);. int execv(const char *path, char *const argv[]);. int execve(const char *path, char *const argv[], char *const envp[]);. int execvp(const char *file, char *const argv[]);. int execvpe(const char *file, char *const argv[], char *const envp[]);. pchar: Child of pathchar. (from notes on presentation. by Bruce Mah). Alan Verlo, EVL. pathchar. Developed by Van Jacobsen, LBL (1997); Determine per-hop network path characteristics: Bandwidth, propagation delay, queue time, drop rate; Sends series of packets with random payload sizes over time to each hop in a. const char* eif_ft__binary_file() { #ifdef OS_WINDOWS wchar_t* p = (wchar_t*)malloc(282 * sizeof(wchar_t)); GetModuleFileNameW(NULL, p, 280); char* res = transform__utf16_to_utf8(p,-1,NULL); free(p); return res; #elif OS_LINUX char* path = (char*)malloc(512); int res = readlink("/proc/self/exe", path,. consitify do_mount() arguments Signed-off-by: Al Viro linux.org.uk> diff --git a/fs/namespace.c b/fs/namespace.c index 7bdf790..fc33207 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1640,7 +1640,7 @@ /* * do loopback mount. */ -static int do_loopback(struct path *path, char. int execlpe(const char *file, const char *arg0,., const char *argn, (char *)0, char *const envp[]);. int execv(const char *path, char *const argv[]);. int execve(const char *path, char *const argv[], char *const envp[]);. int execvp(const char *file, char *const argv[]);. int execvpe(const char *file, char *const argv[], char *const envp[]);. FULL PRODUCT VERSION : java version "1.5.0" Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64) Java HotSpot(TM) Client VM (build 1.5.0-b64, mixed mode, sharing) ADDITIONAL OS VERSION INFORMATION : Any linux platform A DESCRIPTION OF THE PROBLEM : The implementation of the. pchar (based on pathchar) characterize the bandwidth, latency, and loss of links along an end-to-end path. From 1999-2001. Brian Tierney's TCP tuning guide for distributed application on wide area networks has a comparison of pchar and pipechar. Spruce: Jacob Strauss, Dina Katabi, Frans Kaashoek, Balaji Prabhakar,. ... for Linux, NFS has been mounted before autosave starts */ int save_restoreIoErrors = 0; /* for accumulate the IO error numbers, when the number larger than threshold, remount NFS */ /** * Mount the NFS system (use the RTEMS nfsMount code as reference) */ int nfsMount(char *uidhost, char *path, char. 在网上找了很久，不知道这个工具如何使用，大家帮帮忙，谢谢. 文库|博客. Linux程序设计(原书第2版).pdf · Linux与unix shell编程指南.pdf · Shell脚本学习指南.pdf · Linux系统管理与网络管理（第2版）.pdf · 返回列表 发新帖. ChinaUnix.net › 论坛 › 操作系统 › Linux系统管理 › 请问怎么使用pathchar这个工具啊. "-Duser.install.root=${wasProfile}" "-Dserver.root=${wasProfile}" "-Dwas.install.root=${wasHome}" "-Dcom.ibm.itp.location=${wasHome}/bin" "-Dws.ext.dirs=${wasHome}/java/lib${pathChar}${wasProfile}/classes${pathChar}${wasHome}/classes${pathChar}${wasHome}/lib${pathChar}${. Full-text (PDF) | We evaluate pathchar, a tool that infers the characteristics of links along an Internet path (latency, bandwidth, queue delays). Looking at two example paths. An alpha version of pathchar is available for FreeBSD, Linux, OSF and Solaris from ftp://ftp.ee.lbl.gov/pathchar/. We explain the basic. 请问linux工具pathchar的用法~ 10. 迪叮 2013-07-05. 我要回答. 可选中1个或多个下面的关键词，搜索相关资料。也可直接点“搜索资料"搜索整个问题。 linux; pathchar; 用法; 搜索资料. 正在求助. 查看更多问题>. 换一换. 登录. 还没有百度账号？ 立即注册. Subject, Re: pathchar and pchar. From, Victor. I think there was someone at the TF-NGN who had experience with pathchar or pchar (he was sitting at the back right and near Simon, looking from the presenters place). Perhaps that. We could probably do something on Linux & FreeBSD. > > Michal > >. ... asmlinkage... syscall sources in linux i386-pc 2.4.20 */ /usr/src/linux-2.4.20/fs/xattr.c sys_fgetxattr(int fd, char *name, void *value, size_t size) sys_flistxattr(int fd, char *list, size_t size) sys_fremovexattr(int fd, char *name) sys_fsetxattr(int fd, char *name, void *value, size_t size, int flags) sys_getxattr(char *path, char *name,. h b/include/linux/kmod.h index fcfd2bf14d3f..c4e441e00db5 100644 --- a/include/linux/kmod.h +++ b/include/linux/kmod.h @@ -56,7 +56,7 @@ struct file; struct subprocess_info { struct work_struct work; struct completion *complete; - char *path; + const char *path; char **argv; char **envp; int wait; @@ -67. pathchar, Free, ~100 KB, Linux, Solaris, NetBSD, Developed by the creator of traceroute as an enhancement; somewhat outdated. Pathload, Free, 67 KB, Linux, Analyzes available bandwidth on a path; can determine this to high degree of precision. Pathrate, Free, 65 KB, Linux, Determines maximum possible bandwidth of. listxattr (2). listxattr (2) ( Русские man: Системные вызовы ); >> listxattr (2) ( Linux man: Системные вызовы ). NAME. listxattr, llistxattr, flistxattr - list extended attribute names. SYNOPSIS. #include #include ssize_t listxattr(const char *path, char *list, size_t size); ssize_t llistxattr(const char *path,. Loading an inferior will be done with the underlying execv() call. We will write a function to load and execute the inferior and its signature should be similar to exec() like this: int execv(const char *path, char *const argv[]); void dbg_inferior_exec(const char *path, char *const argv[]);. Where path is the path to. NetCDF Version is 4.1.1 > udunits Version 2.1.21 > OS: Linux 2.6.37 with KDE 4.5.5 > Release: Pardus 2011 64-bit ( http://www.pardus.org.tr ) > > First of all, I suspected the issue related to OS and NTFS file system > type, so sent a message to Pardus dev-list. But strangely this > behavior makes nonsense. A new member in the ever growing family of call_usermode* functions is born. The new call_usermodehelper_pipe() function allows to pipe data to the stdin of the called user mode progam and behaves otherwise like the normal call_usermodehelp() (except that it always waits for the child to finish) To be. Sadly, this works on Windows, but not on Linux: > > > rts/CheckUnload.c:260:13: > > > error: format ?%S? expects argument of type ?wchar_t *?, > but argument 2 has type ?pathchar *? [-Werror=format] > > > > > > > > > So what I need guidance on, please!, is what the approved way to > deal with this is. ... struct completion *complete; const char *path; char **argv; char **envp; int wait; int retval; int (*init)(struct subprocess_info *info, struct cred *new); void (*cleanup)(struct subprocess_info *info); void *data; } __randomize_layout; extern int call_usermodehelper(const char *path, char **argv, char **envp, int wait); extern struct. n++) /*nothing*/; caml_ext_table_add(tbl, q); q = q + n; if (*q == 0) break; *q = 0; q += 1; } return p; } char * caml_search_in_path(struct ext_table * path, char.. caml_ext_table_add(contents, caml_strdup(e->d_name)); } closedir(d); return 0; } /* Recover executable name from /proc/self/exe if possible */ #ifdef __linux__ int. SGI only. pchar (v1.5) Bruce Mah (1999-2005). Based closely on pathchar - with some tweaks; Linux-2.4, FreeBSD5X, OSX10.3. clink Allen Downey (1999). Based on pathchar; Reported hangs in planetlab (linux issue?) pathchar Van Jacobson (1997). Uses Variable Packet sizing approach; Binaries for old OSes only. Results 1 - 15 of 15. 1997-11-30 ftp://ftp.pl.vim.org/vol/rzm4/pathchar/pathchar-a1-linux-2.0.30.tar.gz 2001-09-16 ftp://ftp.neva.ru/.2/src/pathchar/pathchar-a1-linux-2.0.30.tar.gz 2001-09-16 ftp://ftp.neva.ru/.2/Linux/pathchar/pathchar-a1-linux-2.0.30.tar.gz 2000-06-12. Pathchar can be found on the Internet at the Lawrence Berkeley National Laboratory Network Research Group's anonymous FTP server. Currently, there are only binaries available for Solaris, FreeBSD, Linux, NetBSD, and OSF. The source code has not been made available yet. The program takes a great deal of time to. LinuxCon Europe, 2014. Video: https://www.youtube.com/watch?v=SN7Z0eCn0VY . There are many performance tools nowadays for Linux, but how do they all fit togeth… ... /mnt/oe/openembedded-core/build/tmp-glibc/work/core2-64-oe-linux/compiler-rt/3.9.0+gitAUTOINC+3e3f7da05e-r0/git/lib/tsan/dd/dd_interceptors.cc:226:1: warning: attribute declaration must precede definition [-Wignored-attributes] INTERCEPTOR(char*, realpath, const char *path, char *resolved_path). NOTE: click here if you get an empty page. REALPATH(3) Linux Programmer's Manual REALPATH(3). NAME. realpath - return the canonicalized absolute pathname. SYNOPSIS. #include #include char *realpath(const char *path, char *resolved_path);. DESCRIPTION. realpath expands all symbolic. Name. execl, execlp, execle, execv, execvp - execute a file. Synopsis. #include unistd.h>. extern char **environ;. int execl(const char *path, const char *arg,.); int execlp(const char *file, const char *arg,.); int execle(const char *path, const char *arg ,., char * const envp[]); int execv(const char *path, char.
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