Re: where is the code for read system call?
On Mon, 23 Jul 2007 18:01:32 +0200 Karsten Wiese wrote: > Am Montag, 23. Juli 2007 schrieb Agarwal, Lomesh: > > For future how do I trace a system call to a function in a kernel? > > strace. i.e: > $ strace ls I thought (maybe I misunderstood) that Lomesh wanted to know which kernel function (by name) is called for specific syscalls... and strace will tell the syscall by name, but not the kernel function names. If Lomesh wants what I described, then the answer is more like "see the syscall tables in each $ARCH". --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: where is the code for read system call?
Am Montag, 23. Juli 2007 schrieb Agarwal, Lomesh: > For future how do I trace a system call to a function in a kernel? strace. i.e: $ strace ls - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
RE: where is the code for read system call?
For future how do I trace a system call to a function in a kernel? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Karsten Wiese Sent: Friday, July 20, 2007 5:09 PM To: Agarwal, Lomesh Cc: linux-kernel@vger.kernel.org Subject: Re: where is the code for read system call? Am Samstag, 21. Juli 2007 schrieb Agarwal, Lomesh: > My application reads from socket. I need to change the behavior of read > system call for an experiment. Can someone point me to code? fs/read_write.c: line 356 asmlinkage ssize_t sys_read(unsigned int fd, char __user * buf, size_t count) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
RE: where is the code for read system call?
For future how do I trace a system call to a function in a kernel? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Karsten Wiese Sent: Friday, July 20, 2007 5:09 PM To: Agarwal, Lomesh Cc: linux-kernel@vger.kernel.org Subject: Re: where is the code for read system call? Am Samstag, 21. Juli 2007 schrieb Agarwal, Lomesh: My application reads from socket. I need to change the behavior of read system call for an experiment. Can someone point me to code? fs/read_write.c: line 356 asmlinkage ssize_t sys_read(unsigned int fd, char __user * buf, size_t count) - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: where is the code for read system call?
Am Montag, 23. Juli 2007 schrieb Agarwal, Lomesh: For future how do I trace a system call to a function in a kernel? strace. i.e: $ strace ls - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: where is the code for read system call?
On Mon, 23 Jul 2007 18:01:32 +0200 Karsten Wiese wrote: Am Montag, 23. Juli 2007 schrieb Agarwal, Lomesh: For future how do I trace a system call to a function in a kernel? strace. i.e: $ strace ls I thought (maybe I misunderstood) that Lomesh wanted to know which kernel function (by name) is called for specific syscalls... and strace will tell the syscall by name, but not the kernel function names. If Lomesh wants what I described, then the answer is more like see the syscall tables in each $ARCH. --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: where is the code for read system call?
On Jul 21 2007 07:05, Folkert van Heusden wrote: > >> My application reads from socket. I need to change the behavior of read >> system call for an experiment. Can someone point me to code? > >Wouldn't it be easier to create a preload-library-wrapper around glibc? > Does not work with statically compiled binaries. But in an experiment, you are likely to have source and/or dynamically linked programs. Jan -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: where is the code for read system call?
On Jul 21 2007 07:05, Folkert van Heusden wrote: My application reads from socket. I need to change the behavior of read system call for an experiment. Can someone point me to code? Wouldn't it be easier to create a preload-library-wrapper around glibc? Does not work with statically compiled binaries. But in an experiment, you are likely to have source and/or dynamically linked programs. Jan -- - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: where is the code for read system call?
> My application reads from socket. I need to change the behavior of read > system call for an experiment. Can someone point me to code? Wouldn't it be easier to create a preload-library-wrapper around glibc? Folkert van Heusden -- MultiTail is a versatile tool for watching logfiles and output of commands. Filtering, coloring, merging, diff-view, etc. http://www.vanheusden.com/multitail/ -- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: where is the code for read system call?
Am Samstag, 21. Juli 2007 schrieb Agarwal, Lomesh: > My application reads from socket. I need to change the behavior of read > system call for an experiment. Can someone point me to code? fs/read_write.c: line 356 asmlinkage ssize_t sys_read(unsigned int fd, char __user * buf, size_t count) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
where is the code for read system call?
My application reads from socket. I need to change the behavior of read system call for an experiment. Can someone point me to code? thanks - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
where is the code for read system call?
My application reads from socket. I need to change the behavior of read system call for an experiment. Can someone point me to code? thanks - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: where is the code for read system call?
Am Samstag, 21. Juli 2007 schrieb Agarwal, Lomesh: My application reads from socket. I need to change the behavior of read system call for an experiment. Can someone point me to code? fs/read_write.c: line 356 asmlinkage ssize_t sys_read(unsigned int fd, char __user * buf, size_t count) - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: where is the code for read system call?
My application reads from socket. I need to change the behavior of read system call for an experiment. Can someone point me to code? Wouldn't it be easier to create a preload-library-wrapper around glibc? Folkert van Heusden -- MultiTail is a versatile tool for watching logfiles and output of commands. Filtering, coloring, merging, diff-view, etc. http://www.vanheusden.com/multitail/ -- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
