diff options
Diffstat (limited to 'pidstat.html')
| -rw-r--r-- | pidstat.html | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/pidstat.html b/pidstat.html index 10ad7a1..dbf5445 100644 --- a/pidstat.html +++ b/pidstat.html @@ -81,7 +81,7 @@ <nav id="sidebar" class="sidebar" aria-label="Table of contents"> <div id="sidebar-scrollbox" class="sidebar-scrollbox"> - <ol class="chapter"><li class="expanded "><a href="ld.so.html"><strong aria-hidden="true">1.</strong> ld.so</a></li><li class="expanded "><a href="git.html"><strong aria-hidden="true">2.</strong> git</a></li><li class="expanded "><a href="gdb.html"><strong aria-hidden="true">3.</strong> gdb</a></li><li class="expanded "><a href="radare2.html"><strong aria-hidden="true">4.</strong> radare2</a></li><li class="expanded "><a href="emacs.html"><strong aria-hidden="true">5.</strong> emacs</a></li><li class="expanded "><a href="fish.html"><strong aria-hidden="true">6.</strong> fish</a></li><li class="expanded "><a href="strace.html"><strong aria-hidden="true">7.</strong> strace</a></li><li class="expanded "><a href="lsof.html"><strong aria-hidden="true">8.</strong> lsof</a></li><li class="expanded "><a href="pidstat.html" class="active"><strong aria-hidden="true">9.</strong> pidstat</a></li><li class="expanded "><a href="time.html"><strong aria-hidden="true">10.</strong> time</a></li><li class="expanded "><a href="pmap.html"><strong aria-hidden="true">11.</strong> pmap</a></li><li class="expanded "><a href="pstack.html"><strong aria-hidden="true">12.</strong> pstack</a></li><li class="expanded "><a href="perf.html"><strong aria-hidden="true">13.</strong> perf</a></li><li class="expanded "><a href="oprofile.html"><strong aria-hidden="true">14.</strong> OProfile</a></li><li class="expanded "><a href="od.html"><strong aria-hidden="true">15.</strong> od</a></li><li class="expanded "><a href="xxd.html"><strong aria-hidden="true">16.</strong> xxd</a></li><li class="expanded "><a href="readelf.html"><strong aria-hidden="true">17.</strong> readelf</a></li><li class="expanded "><a href="objdump.html"><strong aria-hidden="true">18.</strong> objdump</a></li><li class="expanded "><a href="nm.html"><strong aria-hidden="true">19.</strong> nm</a></li><li class="expanded "><a href="c++filt.html"><strong aria-hidden="true">20.</strong> c++filt</a></li></ol> + <ol class="chapter"><li class="expanded "><a href="ld.so.html"><strong aria-hidden="true">1.</strong> ld.so</a></li><li class="expanded "><a href="git.html"><strong aria-hidden="true">2.</strong> git</a></li><li class="expanded "><a href="awk.html"><strong aria-hidden="true">3.</strong> awk</a></li><li class="expanded "><a href="gdb.html"><strong aria-hidden="true">4.</strong> gdb</a></li><li class="expanded "><a href="radare2.html"><strong aria-hidden="true">5.</strong> radare2</a></li><li class="expanded "><a href="emacs.html"><strong aria-hidden="true">6.</strong> emacs</a></li><li class="expanded "><a href="fish.html"><strong aria-hidden="true">7.</strong> fish</a></li><li class="expanded "><a href="strace.html"><strong aria-hidden="true">8.</strong> strace</a></li><li class="expanded "><a href="lsof.html"><strong aria-hidden="true">9.</strong> lsof</a></li><li class="expanded "><a href="pidstat.html" class="active"><strong aria-hidden="true">10.</strong> pidstat</a></li><li class="expanded "><a href="time.html"><strong aria-hidden="true">11.</strong> time</a></li><li class="expanded "><a href="pgrep.html"><strong aria-hidden="true">12.</strong> pgrep</a></li><li class="expanded "><a href="pstack.html"><strong aria-hidden="true">13.</strong> pstack</a></li><li class="expanded "><a href="pstack.html"><strong aria-hidden="true">14.</strong> pstack</a></li><li class="expanded "><a href="perf.html"><strong aria-hidden="true">15.</strong> perf</a></li><li class="expanded "><a href="oprofile.html"><strong aria-hidden="true">16.</strong> OProfile</a></li><li class="expanded "><a href="od.html"><strong aria-hidden="true">17.</strong> od</a></li><li class="expanded "><a href="xxd.html"><strong aria-hidden="true">18.</strong> xxd</a></li><li class="expanded "><a href="readelf.html"><strong aria-hidden="true">19.</strong> readelf</a></li><li class="expanded "><a href="objdump.html"><strong aria-hidden="true">20.</strong> objdump</a></li><li class="expanded "><a href="nm.html"><strong aria-hidden="true">21.</strong> nm</a></li><li class="expanded "><a href="c++filt.html"><strong aria-hidden="true">22.</strong> c++filt</a></li></ol> </div> <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div> </nav> @@ -149,15 +149,27 @@ <div id="content" class="content"> <main> <h1><a class="header" href="#pidstat1" id="pidstat1">pidstat(1)</a></h1> -<p>Trace minor/major page faults.</p> -<pre><code class="language-markdown">pidstat -r -p <pid> [interval] - minor_pagefault: happens when the page needed is already in memory but not - allocated to the faulting process, in that case the kernel - only has to create a new page-table entry pointing to the - shared physical page - major_pagefault: happends when the page needed is NOT in memory, the kernel - has to create a new page-table entry and populate the - physical page +<pre><code class="language-markdown">pidstat [opt] [interval] [cont] + -U [user] show username instead UID, optionally only show for user + -r memory statistics + -d I/O statistics + -h single line per process and no lines with average +</code></pre> +<h1><a class="header" href="#page-fault-and-memory-utilization" id="page-fault-and-memory-utilization">Page fault and memory utilization</a></h1> +<pre><code class="language-markdown">pidstat -r -p <pid> [interval] [count] +</code></pre> +<pre><code class="language-markdown">minor_pagefault: Happens when the page needed is already in memory but not + allocated to the faulting process, in that case the kernel + only has to create a new page-table entry pointing to the + shared physical page (not required to load a memory page from + disk). + +major_pagefault: Happens when the page needed is NOT in memory, the kernel + has to create a new page-table entry and populate the + physical page (required to load a memory page from disk). +</code></pre> +<h1><a class="header" href="#io-statistics" id="io-statistics">I/O statistics</a></h1> +<pre><code class="language-markdown">pidstat -d -p <pid> [interval] [count] </code></pre> </main> |