Stress testing memory using malloc in linux ?? Post: 302380319

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malloc gives the same memory to two different nodes. How to deal with it?

When allocating memory for two different nodes, the resulting memory are the same. Clearly, this will lead to a mistake. This happened in a function. And the process must be in a function. (gdb) p tree->list $43 = (node *) 0x8be4180 (gdb) p tree->list $44 = (node *) 0x8be4180 At the...

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how to stress the memory

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I'm looking for a script or some other application that will use up a lot of memory on a Solaris or Linux server, in order to test a monitoring application. So far I have found a script that's good for CPU usage but it does nothing for memory. I have also tried the application called 'stress'...

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Why memory allocated through malloc should be freed ?

Actually for a process to run it needs text, stack , heap and data segments. All these find a place in the physical memory. Out of these 4 only heap does exist after the termination of the process that created it. I want to know the exact reason why this happens. Also why the other process need to...

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Regarding the maximum memory allocated by malloc() function on HP-UX B11.11

In a 'C' program,when I am trying to allocate memory with the help of malloc () function, it is allocating the memory up to a certain limit for e.g. in my case, it is 670 MB (approx). malloc() returns NULL if I allocate more than this amount of memory.When I tried to allocate memory in chunks of...

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Stress testing php files at Unix/Linux Command line

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7. Programming

./match_pattern.out: malloc(): memory corruption: 0x0000000013a11600 ***

Hi All, I have a simple code which does some computation by matching string patterns. In brief: 1. The code reads .dat and .txt files. 2. .dat files are huge text files and .txt files contain some important words. 3. I am just doing strstr to find the patterns. 4. The function returns the...

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glib detected: malloc() memory curruption

I am using libxml2 library for XMl parsing and libxml++ is C++ wrapper over that. So I am using API of libxml++. I am creating my class and composing instance xmlpp::Node *pNode in that. my class also have funciton prepareXPathQuery() which creates query string and have other fucntion...

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* glibc detected * ./a.out malloc() memory corruption

I am facing a problem of memory corruption. The loop runs for the first time but does not go through the second time. What could be the problem? for(int z=0;z<2;z++) { fp=fopen("poly.dat","r"); /*do something which reads this file into a 2D array*/ fclose(fp); ...

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3rd party stress testing services

Hi all, bit of a forum newb here, so apologies if this has been covered else where, but I wonder if any of you has any experience with stress testing servers, specifically using 3rd party services. We run a very busy production system, and just haven't been able to simulate the user activity while...

LEARN ABOUT XFREE86

setsid

SETSID(1)                                                          User Commands                                                         SETSID(1)

NAME

       setsid - run a program in a new session

SYNOPSIS

       setsid [options] program [arguments]

DESCRIPTION

       setsid  runs  a  program in a new session. The command calls fork(2) if already a process group leader. Otherwise, it executes a program in
       the current process.

OPTIONS

       -c, --ctty
              Set the controlling terminal to the current one.

       -w, --wait
              Wait for the execution of the program to end, and return the exit value of this program as the return value of setsid.

       -V, --version
              Display version information and exit.

       -h, --help
              Display help text and exit.

SEE ALSO

       setsid(2)

AUTHOR

       Rick Sladkey <jrs@world.std.com>

AVAILABILITY

       The setsid command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/.

util-linux                                                           July 2014                                                           SETSID(1)

10 More Discussions You Might Find Interesting

1. Programming

malloc gives the same memory to two different nodes. How to deal with it?

Discussion started by: cdbug

2. Solaris

how to stress the memory

Discussion started by: samnyc

3. UNIX and Linux Applications

Solaris & Linux memory stress test?

Discussion started by: Kraas

4. Programming

Why memory allocated through malloc should be freed ?

Discussion started by: karthiktceit