1 /* Copyright Joyent, Inc. and other Node contributors. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a 4 * copy of this software and associated documentation files (the 5 * "Software"), to deal in the Software without restriction, including 6 * without limitation the rights to use, copy, modify, merge, publish, 7 * distribute, sublicense, and/or sell copies of the Software, and to permit 8 * persons to whom the Software is furnished to do so, subject to the 9 * following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included 12 * in all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20 * USE OR OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 /* 24 * DTrace provider for node.js. 25 */ 26 27 /* 28 * In order to have the information we need here to create the provider, 29 * we must declare bogus definitions for our depended-upon structures. And 30 * yes, the fact that we need to do this represents a shortcoming in DTrace, 31 * one that would be resolved by that elusive El Dorado: dynamic translators. 32 */ 33 34 typedef struct { 35 int dummy; 36 } node_dtrace_connection_t; 37 38 typedef struct { 39 int dummy; 40 } node_connection_t; 41 42 typedef struct { 43 int dummy; 44 } node_dtrace_http_server_request_t; 45 46 typedef struct { 47 int dummy; 48 } node_dtrace_http_client_request_t; 49 50 typedef struct { 51 int dummy; 52 } node_http_request_t; 53 54 provider node { 55 probe net__server__connection(node_dtrace_connection_t *c, 56 const char *a, int p, int fd) : (node_connection_t *c, string a, int p, 57 int fd); 58 probe net__stream__end(node_dtrace_connection_t *c, const char *a, 59 int p, int fd) : (node_connection_t *c, string a, int p, int fd); 60 probe http__server__request(node_dtrace_http_server_request_t *h, 61 node_dtrace_connection_t *c, const char *a, int p, const char *m, 62 const char *u, int fd) : (node_http_request_t *h, node_connection_t *c, 63 string a, int p, string m, string u, int fd); 64 probe http__server__response(node_dtrace_connection_t *c, const char *a, 65 int p, int fd) : (node_connection_t *c, string a, int p, int fd); 66 probe http__client__request(node_dtrace_http_client_request_t *h, 67 node_dtrace_connection_t *c, const char *a, int p, const char *m, 68 const char *u, int fd) : (node_http_request_t *h, node_connection_t *c, 69 string a, int p, string m, string u, int fd); 70 probe http__client__response(node_dtrace_connection_t *c, const char *a, 71 int p, int fd) : (node_connection_t *c, string a, int p, int fd); 72 probe gc__start(int t, int f, void *isolate); 73 probe gc__done(int t, int f, void *isolate); 74 }; 75 76 #pragma D attributes Evolving/Evolving/ISA provider node provider 77 #pragma D attributes Private/Private/Unknown provider node module 78 #pragma D attributes Private/Private/Unknown provider node function 79 #pragma D attributes Private/Private/ISA provider node name 80 #pragma D attributes Evolving/Evolving/ISA provider node args 81