Remove the jprof profiler.

This resolves #377.
This commit is contained in:
wolfbeast 2018-05-23 20:16:00 +02:00 committed by Roy Tam
commit 8d1e73fc3c
25 changed files with 0 additions and 3212 deletions

View file

@ -1006,110 +1006,6 @@ nsJSContext::AddSupportsPrimitiveTojsvals(nsISupports *aArg, JS::Value *aArgv)
return NS_OK;
}
#ifdef MOZ_JPROF
#include <signal.h>
inline bool
IsJProfAction(struct sigaction *action)
{
return (action->sa_sigaction &&
(action->sa_flags & (SA_RESTART | SA_SIGINFO)) == (SA_RESTART | SA_SIGINFO));
}
void NS_JProfStartProfiling();
void NS_JProfStopProfiling();
void NS_JProfClearCircular();
static bool
JProfStartProfilingJS(JSContext *cx, unsigned argc, JS::Value *vp)
{
NS_JProfStartProfiling();
return true;
}
void NS_JProfStartProfiling()
{
// Figure out whether we're dealing with SIGPROF, SIGALRM, or
// SIGPOLL profiling (SIGALRM for JP_REALTIME, SIGPOLL for
// JP_RTC_HZ)
struct sigaction action;
// Must check ALRM before PROF since both are enabled for real-time
sigaction(SIGALRM, nullptr, &action);
//printf("SIGALRM: %p, flags = %x\n",action.sa_sigaction,action.sa_flags);
if (IsJProfAction(&action)) {
//printf("Beginning real-time jprof profiling.\n");
raise(SIGALRM);
return;
}
sigaction(SIGPROF, nullptr, &action);
//printf("SIGPROF: %p, flags = %x\n",action.sa_sigaction,action.sa_flags);
if (IsJProfAction(&action)) {
//printf("Beginning process-time jprof profiling.\n");
raise(SIGPROF);
return;
}
sigaction(SIGPOLL, nullptr, &action);
//printf("SIGPOLL: %p, flags = %x\n",action.sa_sigaction,action.sa_flags);
if (IsJProfAction(&action)) {
//printf("Beginning rtc-based jprof profiling.\n");
raise(SIGPOLL);
return;
}
printf("Could not start jprof-profiling since JPROF_FLAGS was not set.\n");
}
static bool
JProfStopProfilingJS(JSContext *cx, unsigned argc, JS::Value *vp)
{
NS_JProfStopProfiling();
return true;
}
void
NS_JProfStopProfiling()
{
raise(SIGUSR1);
//printf("Stopped jprof profiling.\n");
}
static bool
JProfClearCircularJS(JSContext *cx, unsigned argc, JS::Value *vp)
{
NS_JProfClearCircular();
return true;
}
void
NS_JProfClearCircular()
{
raise(SIGUSR2);
//printf("cleared jprof buffer\n");
}
static bool
JProfSaveCircularJS(JSContext *cx, unsigned argc, JS::Value *vp)
{
// Not ideal...
NS_JProfStopProfiling();
NS_JProfStartProfiling();
return true;
}
static const JSFunctionSpec JProfFunctions[] = {
JS_FS("JProfStartProfiling", JProfStartProfilingJS, 0, 0),
JS_FS("JProfStopProfiling", JProfStopProfilingJS, 0, 0),
JS_FS("JProfClearCircular", JProfClearCircularJS, 0, 0),
JS_FS("JProfSaveCircular", JProfSaveCircularJS, 0, 0),
JS_FS_END
};
#endif /* defined(MOZ_JPROF) */
nsresult
nsJSContext::InitClasses(JS::Handle<JSObject*> aGlobalObj)
{
@ -1121,11 +1017,6 @@ nsJSContext::InitClasses(JS::Handle<JSObject*> aGlobalObj)
// Attempt to initialize profiling functions
::JS_DefineProfilingFunctions(cx, aGlobalObj);
#ifdef MOZ_JPROF
// Attempt to initialize JProf functions
::JS_DefineFunctions(cx, aGlobalObj, JProfFunctions);
#endif
return NS_OK;
}