forked from nodejs/node
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
windows: add tracing with performance counters
Patch by Henry Rawas and Scott Blomquist.
- Loading branch information
1 parent
bc93883
commit f657ce6
Showing
17 changed files
with
827 additions
and
30 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| // Copyright Joyent, Inc. and other Node contributors. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a | ||
| // copy of this software and associated documentation files (the | ||
| // "Software"), to deal in the Software without restriction, including | ||
| // without limitation the rights to use, copy, modify, merge, publish, | ||
| // distribute, sublicense, and/or sell copies of the Software, and to permit | ||
| // persons to whom the Software is furnished to do so, subject to the | ||
| // following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included | ||
| // in all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN | ||
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, | ||
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | ||
| // USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
|
|
||
| #include "node_counters.h" | ||
|
|
||
| #include "uv.h" | ||
|
|
||
| #include <string.h> | ||
|
|
||
|
|
||
| namespace node { | ||
|
|
||
| using namespace v8; | ||
|
|
||
|
|
||
| static uint64_t counter_gc_start_time; | ||
| static uint64_t counter_gc_end_time; | ||
|
|
||
| #define SLURP_OBJECT(obj, member, valp) \ | ||
| if (!(obj)->IsObject()) { \ | ||
| return (ThrowException(Exception::Error(String::New("expected " \ | ||
| "object for " #obj " to contain object member " #member)))); \ | ||
| } \ | ||
| *valp = Local<Object>::Cast(obj->Get(String::New(#member))); | ||
|
|
||
|
|
||
| Handle<Value> COUNTER_NET_SERVER_CONNECTION(const Arguments& args) { | ||
| NODE_COUNT_SERVER_CONN_OPEN(); | ||
| return Undefined(); | ||
| } | ||
|
|
||
|
|
||
| Handle<Value> COUNTER_NET_SERVER_CONNECTION_CLOSE(const Arguments& args) { | ||
| NODE_COUNT_SERVER_CONN_CLOSE(); | ||
| return Undefined(); | ||
| } | ||
|
|
||
|
|
||
| Handle<Value> COUNTER_HTTP_SERVER_REQUEST(const Arguments& args) { | ||
| NODE_COUNT_HTTP_SERVER_REQUEST(); | ||
| return Undefined(); | ||
| } | ||
|
|
||
|
|
||
| Handle<Value> COUNTER_HTTP_SERVER_RESPONSE(const Arguments& args) { | ||
| NODE_COUNT_HTTP_SERVER_RESPONSE(); | ||
| return Undefined(); | ||
| } | ||
|
|
||
|
|
||
| Handle<Value> COUNTER_HTTP_CLIENT_REQUEST(const Arguments& args) { | ||
| NODE_COUNT_HTTP_CLIENT_REQUEST(); | ||
| return Undefined(); | ||
| } | ||
|
|
||
|
|
||
| Handle<Value> COUNTER_HTTP_CLIENT_RESPONSE(const Arguments& args) { | ||
| NODE_COUNT_HTTP_CLIENT_RESPONSE(); | ||
| return Undefined(); | ||
| } | ||
|
|
||
|
|
||
| static void counter_gc_start(GCType type, GCCallbackFlags flags) { | ||
| counter_gc_start_time = NODE_COUNT_GET_GC_RAWTIME(); | ||
|
|
||
| return; | ||
| } | ||
|
|
||
|
|
||
| static void counter_gc_done(GCType type, GCCallbackFlags flags) { | ||
| uint64_t endgc = NODE_COUNT_GET_GC_RAWTIME(); | ||
| if (endgc != 0) { | ||
| uint64_t totalperiod = endgc - counter_gc_end_time; | ||
| uint64_t gcperiod = endgc - counter_gc_start_time; | ||
|
|
||
| if (totalperiod > 0) { | ||
| unsigned int percent = static_cast<unsigned int>((gcperiod * 100) / totalperiod); | ||
|
|
||
| NODE_COUNT_GC_PERCENTTIME(percent); | ||
| counter_gc_end_time = endgc; | ||
| } | ||
| } | ||
|
|
||
| return; | ||
| } | ||
|
|
||
|
|
||
| #define NODE_PROBE(name) #name, name | ||
|
|
||
| void InitPerfCounters(Handle<Object> target) { | ||
| HandleScope scope; | ||
|
|
||
| static struct { | ||
| const char* name; | ||
| Handle<Value> (*func)(const Arguments&); | ||
| Persistent<FunctionTemplate> templ; | ||
| } tab[] = { | ||
| { NODE_PROBE(COUNTER_NET_SERVER_CONNECTION) }, | ||
| { NODE_PROBE(COUNTER_NET_SERVER_CONNECTION_CLOSE) }, | ||
| { NODE_PROBE(COUNTER_HTTP_SERVER_REQUEST) }, | ||
| { NODE_PROBE(COUNTER_HTTP_SERVER_RESPONSE) }, | ||
| { NODE_PROBE(COUNTER_HTTP_CLIENT_REQUEST) }, | ||
| { NODE_PROBE(COUNTER_HTTP_CLIENT_RESPONSE) } | ||
| }; | ||
|
|
||
| for (int i = 0; i < ARRAY_SIZE(tab); i++) { | ||
| tab[i].templ = Persistent<FunctionTemplate>::New( | ||
| FunctionTemplate::New(tab[i].func)); | ||
| target->Set(String::NewSymbol(tab[i].name), tab[i].templ->GetFunction()); | ||
| } | ||
|
|
||
| // Only Windows performance counters supported | ||
| // To enable other OS, use conditional compilation here | ||
| InitPerfCountersWin32(); | ||
|
|
||
| // init times for GC percent calculation and hook callbacks | ||
| counter_gc_start_time = NODE_COUNT_GET_GC_RAWTIME(); | ||
| counter_gc_end_time = counter_gc_start_time; | ||
|
|
||
| v8::V8::AddGCPrologueCallback(counter_gc_start); | ||
| v8::V8::AddGCEpilogueCallback(counter_gc_done); | ||
| } | ||
|
|
||
|
|
||
| void TermPerfCounters(Handle<Object> target) { | ||
| // Only Windows performance counters supported | ||
| // To enable other OS, use conditional compilation here | ||
| TermPerfCountersWin32(); | ||
| } | ||
|
|
||
| } |
Oops, something went wrong.