<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Chapter 6. Memory Tapset</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="prev" href="API-system.html" title="function::system"><link rel="next" href="API-addr-to-node.html" title="function::addr_to_node"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 6. Memory Tapset</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-system.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="API-addr-to-node.html">Next</a></td></tr></table><hr></div><div class="chapter" title="Chapter 6. Memory Tapset"><div class="titlepage"><div><div><h2 class="title"><a name="memory_stp"></a>Chapter 6. Memory Tapset</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="refentrytitle"><a href="API-addr-to-node.html"><span>function::addr_to_node</span></a></span><span class="refpurpose"> —
Returns which node a given address belongs to within a NUMA system
</span></dt><dt><span class="refentrytitle"><a href="API-bytes-to-string.html"><span>function::bytes_to_string</span></a></span><span class="refpurpose"> —
Human readable string for given bytes
</span></dt><dt><span class="refentrytitle"><a href="API-mem-page-size.html"><span>function::mem_page_size</span></a></span><span class="refpurpose"> —
Number of bytes in a page for this architecture
</span></dt><dt><span class="refentrytitle"><a href="API-pages-to-string.html"><span>function::pages_to_string</span></a></span><span class="refpurpose"> —
Turns pages into a human readable string
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-data.html"><span>function::proc_mem_data</span></a></span><span class="refpurpose"> —
Program data size (data + stack) in pages
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-data-pid.html"><span>function::proc_mem_data_pid</span></a></span><span class="refpurpose"> —
Program data size (data + stack) in pages
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-rss.html"><span>function::proc_mem_rss</span></a></span><span class="refpurpose"> —
Program resident set size in pages
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-rss-pid.html"><span>function::proc_mem_rss_pid</span></a></span><span class="refpurpose"> —
Program resident set size in pages
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-shr.html"><span>function::proc_mem_shr</span></a></span><span class="refpurpose"> —
Program shared pages (from shared mappings)
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-shr-pid.html"><span>function::proc_mem_shr_pid</span></a></span><span class="refpurpose"> —
Program shared pages (from shared mappings)
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-size.html"><span>function::proc_mem_size</span></a></span><span class="refpurpose"> —
Total program virtual memory size in pages
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-size-pid.html"><span>function::proc_mem_size_pid</span></a></span><span class="refpurpose"> —
Total program virtual memory size in pages
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-string.html"><span>function::proc_mem_string</span></a></span><span class="refpurpose"> —
Human readable string of current proc memory usage
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-string-pid.html"><span>function::proc_mem_string_pid</span></a></span><span class="refpurpose"> —
Human readable string of process memory usage
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-txt.html"><span>function::proc_mem_txt</span></a></span><span class="refpurpose"> —
Program text (code) size in pages
</span></dt><dt><span class="refentrytitle"><a href="API-proc-mem-txt-pid.html"><span>function::proc_mem_txt_pid</span></a></span><span class="refpurpose"> —
Program text (code) size in pages
</span></dt><dt><span class="refentrytitle"><a href="API-vm-fault-contains.html"><span>function::vm_fault_contains</span></a></span><span class="refpurpose"> —
Test return value for page fault reason
</span></dt><dt><span class="refentrytitle"><a href="API-vm-brk.html"><span>probe::vm.brk</span></a></span><span class="refpurpose"> —
Fires when a brk is requested (i.e. the heap will be resized)
</span></dt><dt><span class="refentrytitle"><a href="API-vm-kfree.html"><span>probe::vm.kfree</span></a></span><span class="refpurpose"> —
Fires when kfree is requested
</span></dt><dt><span class="refentrytitle"><a href="API-vm-kmalloc.html"><span>probe::vm.kmalloc</span></a></span><span class="refpurpose"> —
Fires when kmalloc is requested
</span></dt><dt><span class="refentrytitle"><a href="API-vm-kmalloc-node.html"><span>probe::vm.kmalloc_node</span></a></span><span class="refpurpose"> —
Fires when kmalloc_node is requested
</span></dt><dt><span class="refentrytitle"><a href="API-vm-kmem-cache-alloc.html"><span>probe::vm.kmem_cache_alloc</span></a></span><span class="refpurpose"> —
Fires when kmem_cache_alloc is requested
</span></dt><dt><span class="refentrytitle"><a href="API-vm-kmem-cache-alloc-node.html"><span>probe::vm.kmem_cache_alloc_node</span></a></span><span class="refpurpose"> —
Fires when kmem_cache_alloc_node is requested
</span></dt><dt><span class="refentrytitle"><a href="API-vm-kmem-cache-free.html"><span>probe::vm.kmem_cache_free</span></a></span><span class="refpurpose"> —
Fires when kmem_cache_free is requested
</span></dt><dt><span class="refentrytitle"><a href="API-vm-mmap.html"><span>probe::vm.mmap</span></a></span><span class="refpurpose"> —
Fires when an mmap is requested
</span></dt><dt><span class="refentrytitle"><a href="API-vm-munmap.html"><span>probe::vm.munmap</span></a></span><span class="refpurpose"> —
Fires when an munmap is requested
</span></dt><dt><span class="refentrytitle"><a href="API-vm-oom-kill.html"><span>probe::vm.oom_kill</span></a></span><span class="refpurpose"> —
Fires when a thread is selected for termination by the OOM killer
</span></dt><dt><span class="refentrytitle"><a href="API-vm-pagefault.html"><span>probe::vm.pagefault</span></a></span><span class="refpurpose"> —
Records that a page fault occurred
</span></dt><dt><span class="refentrytitle"><a href="API-vm-pagefault-return.html"><span>probe::vm.pagefault.return</span></a></span><span class="refpurpose"> —
Indicates what type of fault occurred
</span></dt><dt><span class="refentrytitle"><a href="API-vm-write-shared.html"><span>probe::vm.write_shared</span></a></span><span class="refpurpose"> —
Attempts at writing to a shared page
</span></dt><dt><span class="refentrytitle"><a href="API-vm-write-shared-copy.html"><span>probe::vm.write_shared_copy</span></a></span><span class="refpurpose"> —
Page copy for shared page write
</span></dt></dl></div><p>
This family of probe points is used to probe memory-related events
or query the memory usage of the current process.
It contains the following probe points:
</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-system.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="API-addr-to-node.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>function::system</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>function::addr_to_node</span></td></tr></table></div></body></html>
