diff options
Diffstat (limited to 'libgo/runtime/cpuprof.c')
| -rw-r--r-- | libgo/runtime/cpuprof.c | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/libgo/runtime/cpuprof.c b/libgo/runtime/cpuprof.c deleted file mode 100644 index 3398a92ea82..00000000000 --- a/libgo/runtime/cpuprof.c +++ /dev/null @@ -1,350 +0,0 @@ -// AUTO-GENERATED by autogen.sh; DO NOT EDIT - -#include "runtime.h" -#include "arch.h" -#include "malloc.h" -#include "array.h" - -#line 57 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -typedef struct __go_open_array Slice; -#define array __values -#define len __count -#define cap __capacity -#line 62 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -enum -{ -HashSize = 1<<10 , -LogSize = 1<<17 , -Assoc = 4 , -MaxStack = 64 , -} ; -#line 70 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -typedef struct Profile Profile; -typedef struct Bucket Bucket; -typedef struct Entry Entry; -#line 74 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -struct Entry { -uintptr count; -uintptr depth; -uintptr stack[MaxStack]; -} ; -#line 80 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -struct Bucket { -Entry entry[Assoc]; -} ; -#line 84 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -struct Profile { -bool on; -Note wait; -uintptr count; -uintptr evicts; -uintptr lost; -uintptr totallost; -#line 93 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -Bucket hash[HashSize]; -#line 98 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -uintptr log[2][LogSize/2]; -uintptr nlog; -int32 toggle; -uint32 handoff; -#line 106 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -uint32 wtoggle; -bool wholding; -bool flushing; -bool eod_sent; -} ; -#line 112 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -static Lock lk; -static Profile *prof; -#line 115 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -static void tick ( uintptr* , int32 ) ; -static void add ( Profile* , uintptr* , int32 ) ; -static bool evict ( Profile* , Entry* ) ; -static bool flushlog ( Profile* ) ; -#line 120 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -static uintptr eod[3] = { 0 , 1 , 0 } ; -#line 125 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -static void -LostProfileData ( void ) -{ -} -#line 130 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -extern void runtime_SetCPUProfileRate ( intgo ) -__asm__ ( GOSYM_PREFIX "runtime.SetCPUProfileRate" ) ; -#line 135 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -void -runtime_SetCPUProfileRate ( intgo hz ) -{ -uintptr *p; -uintptr n; -#line 142 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -if ( hz < 0 ) -hz = 0; -if ( hz > 1000000 ) -hz = 1000000; -#line 147 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -runtime_lock ( &lk ) ; -if ( hz > 0 ) { -if ( prof == nil ) { -prof = runtime_SysAlloc ( sizeof *prof , &mstats.other_sys ) ; -if ( prof == nil ) { -runtime_printf ( "runtime: cpu profiling cannot allocate memory\n" ) ; -runtime_unlock ( &lk ) ; -return; -} -} -if ( prof->on || prof->handoff != 0 ) { -runtime_printf ( "runtime: cannot set cpu profile rate until previous profile has finished.\n" ) ; -runtime_unlock ( &lk ) ; -return; -} -#line 163 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -prof->on = true; -p = prof->log[0]; -#line 167 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -*p++ = 0; -*p++ = 3; -*p++ = 0; -*p++ = 1000000 / hz; -*p++ = 0; -prof->nlog = p - prof->log[0]; -prof->toggle = 0; -prof->wholding = false; -prof->wtoggle = 0; -prof->flushing = false; -prof->eod_sent = false; -runtime_noteclear ( &prof->wait ) ; -#line 180 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -runtime_setcpuprofilerate ( tick , hz ) ; -} else if ( prof != nil && prof->on ) { -runtime_setcpuprofilerate ( nil , 0 ) ; -prof->on = false; -#line 187 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -for ( ;; ) { -n = prof->handoff; -if ( n&0x80000000 ) -runtime_printf ( "runtime: setcpuprofile(off) twice" ) ; -if ( runtime_cas ( &prof->handoff , n , n|0x80000000 ) ) -break; -} -if ( n == 0 ) { -#line 196 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -runtime_notewakeup ( &prof->wait ) ; -} -} -runtime_unlock ( &lk ) ; -} -#line 202 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -static void -tick ( uintptr *pc , int32 n ) -{ -add ( prof , pc , n ) ; -} -#line 213 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -static void -add ( Profile *p , uintptr *pc , int32 n ) -{ -int32 i , j; -uintptr h , x; -Bucket *b; -Entry *e; -#line 221 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -if ( n > MaxStack ) -n = MaxStack; -#line 225 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -h = 0; -for ( i=0; i<n; i++ ) { -h = h<<8 | ( h>> ( 8* ( sizeof ( h ) -1 ) ) ) ; -x = pc[i]; -h += x*31 + x*7 + x*3; -} -p->count++; -#line 234 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -b = &p->hash[h%HashSize]; -for ( i=0; i<Assoc; i++ ) { -e = &b->entry[i]; -if ( e->depth != ( uintptr ) n ) -continue; -for ( j=0; j<n; j++ ) -if ( e->stack[j] != pc[j] ) -goto ContinueAssoc; -e->count++; -return; -ContinueAssoc:; -} -#line 248 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -e = &b->entry[0]; -for ( i=1; i<Assoc; i++ ) -if ( b->entry[i].count < e->count ) -e = &b->entry[i]; -if ( e->count > 0 ) { -if ( !evict ( p , e ) ) { -#line 255 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -p->lost++; -p->totallost++; -return; -} -p->evicts++; -} -#line 263 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -e->depth = n; -e->count = 1; -for ( i=0; i<n; i++ ) -e->stack[i] = pc[i]; -} -#line 275 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -static bool -evict ( Profile *p , Entry *e ) -{ -int32 i , d , nslot; -uintptr *log , *q; -#line 281 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -d = e->depth; -nslot = d+2; -log = p->log[p->toggle]; -if ( p->nlog+nslot > nelem ( p->log[0] ) ) { -if ( !flushlog ( p ) ) -return false; -log = p->log[p->toggle]; -} -#line 290 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -q = log+p->nlog; -*q++ = e->count; -*q++ = d; -for ( i=0; i<d; i++ ) -*q++ = e->stack[i]; -p->nlog = q - log; -e->count = 0; -return true; -} -#line 304 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -static bool -flushlog ( Profile *p ) -{ -uintptr *log , *q; -#line 309 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -if ( !runtime_cas ( &p->handoff , 0 , p->nlog ) ) -return false; -runtime_notewakeup ( &p->wait ) ; -#line 313 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -p->toggle = 1 - p->toggle; -log = p->log[p->toggle]; -q = log; -if ( p->lost > 0 ) { -*q++ = p->lost; -*q++ = 1; -*q++ = ( uintptr ) LostProfileData; -} -p->nlog = q - log; -return true; -} -#line 327 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -Slice -getprofile ( Profile *p ) -{ -uint32 i , j , n; -Slice ret; -Bucket *b; -Entry *e; -#line 335 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -ret.array = nil; -ret.len = 0; -ret.cap = 0; -#line 339 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -if ( p == nil ) -return ret; -#line 342 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -if ( p->wholding ) { -#line 345 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -for ( ;; ) { -n = p->handoff; -if ( n == 0 ) { -runtime_printf ( "runtime: phase error during cpu profile handoff\n" ) ; -return ret; -} -if ( n & 0x80000000 ) { -p->wtoggle = 1 - p->wtoggle; -p->wholding = false; -p->flushing = true; -goto flush; -} -if ( runtime_cas ( &p->handoff , n , 0 ) ) -break; -} -p->wtoggle = 1 - p->wtoggle; -p->wholding = false; -} -#line 364 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -if ( p->flushing ) -goto flush; -#line 367 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -if ( !p->on && p->handoff == 0 ) -return ret; -#line 371 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -runtime_notetsleepg ( &p->wait , -1 ) ; -runtime_noteclear ( &p->wait ) ; -#line 374 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -n = p->handoff; -if ( n == 0 ) { -runtime_printf ( "runtime: phase error during cpu profile wait\n" ) ; -return ret; -} -if ( n == 0x80000000 ) { -p->flushing = true; -goto flush; -} -n &= ~0x80000000; -#line 386 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -p->wholding = true; -#line 388 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -ret.array = ( byte* ) p->log[p->wtoggle]; -ret.len = n*sizeof ( uintptr ) ; -ret.cap = ret.len; -return ret; -#line 393 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -flush: -#line 398 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -for ( i=0; i<HashSize; i++ ) { -b = &p->hash[i]; -for ( j=0; j<Assoc; j++ ) { -e = &b->entry[j]; -if ( e->count > 0 && !evict ( p , e ) ) { -#line 404 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -goto breakflush; -} -} -} -breakflush: -#line 411 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -if ( p->nlog > 0 ) { -#line 414 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -ret.array = ( byte* ) p->log[p->toggle]; -ret.len = p->nlog*sizeof ( uintptr ) ; -ret.cap = ret.len; -p->nlog = 0; -return ret; -} -#line 422 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -if ( !p->eod_sent ) { -#line 425 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -p->eod_sent = true; -ret.array = ( byte* ) eod; -ret.len = sizeof eod; -ret.cap = ret.len; -return ret; -} -#line 433 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" -p->flushing = false; -if ( !runtime_cas ( &p->handoff , p->handoff , 0 ) ) -runtime_printf ( "runtime: profile flush racing with something\n" ) ; -return ret; -} -Slice runtime_CPUProfile() __asm__ (GOSYM_PREFIX "runtime.CPUProfile"); -Slice runtime_CPUProfile() -{ - Slice ret; -#line 441 "../../../trunk/libgo/runtime/../../../trunk/libgo/runtime/cpuprof.goc" - - ret = getprofile(prof); -return ret; -} |