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| author | hunt <hunt> | 2005-03-22 08:57:11 +0000 |
|---|---|---|
| committer | hunt <hunt> | 2005-03-22 08:57:11 +0000 |
| commit | b9c556e44326b40b2c927a0a5b5626332a8c9587 (patch) | |
| tree | d0497c9323dedcb292d353d79fef769fa6fef210 /runtime/docs/html/test4_2dtr_8c-source.html | |
| parent | 4a4753cb066f60eb09906a6021997ec280d3fdc5 (diff) | |
| download | systemtap-steved-b9c556e44326b40b2c927a0a5b5626332a8c9587.tar.gz systemtap-steved-b9c556e44326b40b2c927a0a5b5626332a8c9587.tar.xz systemtap-steved-b9c556e44326b40b2c927a0a5b5626332a8c9587.zip | |
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diff --git a/runtime/docs/html/test4_2dtr_8c-source.html b/runtime/docs/html/test4_2dtr_8c-source.html new file mode 100644 index 00000000..21acb158 --- /dev/null +++ b/runtime/docs/html/test4_2dtr_8c-source.html @@ -0,0 +1,117 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> +<title>SystemTap: probes/test4/dtr.c Source File</title> +<link href="doxygen.css" rel="stylesheet" type="text/css"> +</head><body> +<!-- Generated by Doxygen 1.4.1 --> +<div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a></div> +<div class="nav"> +<a class="el" href="dir_000000.html">probes</a> / <a class="el" href="dir_000003.html">test4</a></div> +<h1>dtr.c</h1><div class="fragment"><pre class="fragment">00001 <span class="preprocessor">#define HASH_TABLE_BITS 8</span> +00002 <span class="preprocessor"></span><span class="preprocessor">#define HASH_TABLE_SIZE (1<<HASH_TABLE_BITS)</span> +00003 <span class="preprocessor"></span><span class="preprocessor">#define BUCKETS 16 </span><span class="comment">/* largest histogram width */</span> +00004 +00005 <span class="preprocessor">#include "runtime.h"</span> +00006 <span class="preprocessor">#include "io.c"</span> +00007 <span class="preprocessor">#include "<a class="code" href="map_8c.html">map.c</a>"</span> +00008 <span class="preprocessor">#include "probes.c"</span> +00009 +00010 MODULE_DESCRIPTION(<span class="stringliteral">"SystemTap probe: test4"</span>); +00011 MODULE_AUTHOR(<span class="stringliteral">"Martin Hunt <hunt@redhat.com>"</span>); +00012 +00013 <a class="code" href="structmap__root.html">MAP</a> opens, reads, writes; +00014 +00015 asmlinkage <span class="keywordtype">long</span> inst_sys_open (<span class="keyword">const</span> <span class="keywordtype">char</span> __user * filename, <span class="keywordtype">int</span> flags, <span class="keywordtype">int</span> mode) +00016 { +00017 <a class="code" href="map_8c.html#a13">_stp_map_key_str</a> (opens, current->comm); +00018 <a class="code" href="map_8c.html#a18">_stp_map_add_int64</a> (opens, 1); +00019 jprobe_return(); +00020 <span class="keywordflow">return</span> 0; +00021 } +00022 +00023 asmlinkage ssize_t inst_sys_read (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fd, <span class="keywordtype">char</span> __user * buf, size_t count) +00024 { +00025 <a class="code" href="map_8c.html#a13">_stp_map_key_str</a> (reads, current->comm); +00026 <a class="code" href="map_8c.html#a24">_stp_map_stat_add</a> (reads, count); +00027 jprobe_return(); +00028 <span class="keywordflow">return</span> 0; +00029 } +00030 +00031 asmlinkage ssize_t inst_sys_write (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fd, <span class="keyword">const</span> <span class="keywordtype">char</span> __user * buf, size_t count) +00032 { +00033 <a class="code" href="map_8c.html#a13">_stp_map_key_str</a> (writes, current->comm); +00034 <a class="code" href="map_8c.html#a24">_stp_map_stat_add</a> (writes, count); +00035 jprobe_return(); +00036 <span class="keywordflow">return</span> 0; +00037 } +00038 +00039 <span class="keyword">static</span> <span class="keyword">struct </span>jprobe dtr_probes[] = { +00040 { +00041 .kp.addr = (kprobe_opcode_t *)<span class="stringliteral">"sys_open"</span>, +00042 .entry = (kprobe_opcode_t *) inst_sys_open +00043 }, +00044 { +00045 .kp.addr = (kprobe_opcode_t *)<span class="stringliteral">"sys_read"</span>, +00046 .entry = (kprobe_opcode_t *) inst_sys_read +00047 }, +00048 { +00049 .kp.addr = (kprobe_opcode_t *)<span class="stringliteral">"sys_write"</span>, +00050 .entry = (kprobe_opcode_t *) inst_sys_write +00051 }, +00052 }; +00053 +00054 <span class="preprocessor">#define MAX_DTR_ROUTINE (sizeof(dtr_probes)/sizeof(struct jprobe))</span> +00055 <span class="preprocessor"></span> +00056 <span class="keyword">static</span> <span class="keywordtype">int</span> init_dtr(<span class="keywordtype">void</span>) +00057 { +00058 <span class="keywordtype">int</span> ret; +00059 +00060 opens = <a class="code" href="map_8c.html#a3">_stp_map_new</a> (1000, INT64); +00061 reads = <a class="code" href="map_8c.html#a3">_stp_map_new</a> (1000, STAT); +00062 writes = <a class="code" href="map_8c.html#a3">_stp_map_new</a> (1000, STAT); +00063 +00064 ret = _stp_register_jprobes (dtr_probes, MAX_DTR_ROUTINE); +00065 +00066 dlog(<span class="stringliteral">"instrumentation is enabled...\n"</span>); +00067 <span class="keywordflow">return</span> ret; +00068 +00069 } +00070 +00071 <span class="keyword">static</span> <span class="keywordtype">void</span> cleanup_dtr(<span class="keywordtype">void</span>) +00072 { +00073 <span class="keyword">struct </span>map_node_stat *st; +00074 <span class="keyword">struct </span>map_node_int64 *ptr; +00075 +00076 _stp_unregister_jprobes (dtr_probes, MAX_DTR_ROUTINE); +00077 +00078 <span class="keywordflow">for</span> (ptr = (<span class="keyword">struct</span> map_node_int64 *)<a class="code" href="map_8c.html#a6">_stp_map_start</a>(opens); ptr; +00079 ptr = (<span class="keyword">struct</span> map_node_int64 *)_stp_map_iter (opens,(<span class="keyword">struct</span> <a class="code" href="structmap__node.html">map_node</a> *)ptr)) +00080 dlog ("opens[%s] = %lld\n", key1str(ptr), ptr->val); +00081 dlog ("\n"); +00082 +00083 for (st = (struct map_node_stat *)_stp_map_start(reads); st; +00084 st = (struct map_node_stat *)_stp_map_iter (reads,(struct <a class="code" href="structmap__node.html">map_node</a> *)st)) +00085 dlog ("reads[%s] = [count=%lld sum=%lld min=%lld max=%lld]\n", key1str(st), st->stats.count, st->stats.sum, +00086 st->stats.min, st->stats.max); +00087 dlog ("\n"); +00088 +00089 for (st = (struct map_node_stat *)_stp_map_start(writes); st; +00090 st = (struct map_node_stat *)_stp_map_iter (writes,(struct <a class="code" href="structmap__node.html">map_node</a> *)st)) +00091 dlog ("writes[%s] = [count=%lld sum=%lld min=%lld max=%lld]\n", key1str(st), st->stats.count, st->stats.sum, +00092 st->stats.min, st->stats.max); +00093 dlog ("\n"); +00094 +00095 _stp_map_del (opens); +00096 _stp_map_del (reads); +00097 _stp_map_del (writes); +00098 +00099 dlog("EXIT\n"); +00100 } +00101 +00102 module_init(init_dtr); +00103 module_exit(cleanup_dtr); +00104 MODULE_LICENSE("GPL"); +00105 +</pre></div><hr size="1"><address style="align: right;"><small> +Generated on Tue Mar 22 00:32:02 2005 for SystemTap.</small></body> +</html> |