<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Chapter 5. Memory Tapset</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"><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="re64.html" title="function::ctime"><link rel="next" href="re65.html" title="function::vm_fault_contains"></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 5. Memory Tapset</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re64.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="re65.html">Next</a></td></tr></table><hr></div><div class="chapter" title="Chapter 5. Memory Tapset"><div class="titlepage"><div><div><h2 class="title"><a name="memory_stp"></a>Chapter 5. Memory Tapset</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="refentrytitle"><a href="re65.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="re66.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="re67.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="re68.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="re69.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="re70.html"><span>probe::vm.write_shared_copy</span></a></span><span class="refpurpose"> —
Page copy for shared page write.
</span></dt><dt><span class="refentrytitle"><a href="re71.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="re72.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="re73.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="re74.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="re75.html"><span>probe::vm.kmalloc</span></a></span><span class="refpurpose"> —
Fires when kmalloc is requested.
</span></dt><dt><span class="refentrytitle"><a href="re76.html"><span>probe::vm.kmem_cache_alloc</span></a></span><span class="refpurpose"> —
Fires when \
</span></dt><dt><span class="refentrytitle"><a href="re77.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="re78.html"><span>probe::vm.kmem_cache_alloc_node</span></a></span><span class="refpurpose"> —
Fires when \
</span></dt><dt><span class="refentrytitle"><a href="re79.html"><span>probe::vm.kfree</span></a></span><span class="refpurpose"> —
Fires when kfree is requested.
</span></dt><dt><span class="refentrytitle"><a href="re80.html"><span>probe::vm.kmem_cache_free</span></a></span><span class="refpurpose"> —
Fires when \
</span></dt><dt><span class="refentrytitle"><a href="re81.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="re82.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="re83.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="re84.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="re85.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="re86.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="re87.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="re88.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="re89.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="re90.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="re91.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="re92.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="re93.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="re94.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="re95.html"><span>function::proc_mem_string_pid</span></a></span><span class="refpurpose"> —
Human readable string of process memory usage
</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="re64.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="re65.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>function::ctime</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::vm_fault_contains</span></td></tr></table></div></body></html>
