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36 Commits

Author SHA1 Message Date
Russ Cox
6dfdd4c1e3 runtime: add NumCPU 
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5528061
 2012-01-09 18:45:59 -08:00
Robert Griesemer
3f1eb94ef2 runtime: fix typo in comment 
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5511047
 2012-01-04 14:06:54 -08:00
Dmitriy Vyukov
c14b2689f0 runtime: faster finalizers 
Linux/amd64, 2 x Intel Xeon E5620, 8 HT cores, 2.40GHz
benchmark                    old ns/op    new ns/op    delta
BenchmarkFinalizer              420.00       261.00  -37.86%
BenchmarkFinalizer-2            985.00       201.00  -79.59%
BenchmarkFinalizer-4           1077.00       244.00  -77.34%
BenchmarkFinalizer-8           1155.00       180.00  -84.42%
BenchmarkFinalizer-16          1182.00       184.00  -84.43%

BenchmarkFinalizerRun          2128.00      1378.00  -35.24%
BenchmarkFinalizerRun-2        1655.00      1418.00  -14.32%
BenchmarkFinalizerRun-4        1634.00      1522.00   -6.85%
BenchmarkFinalizerRun-8        2213.00      1581.00  -28.56%
BenchmarkFinalizerRun-16       2424.00      1599.00  -34.03%

Darwin/amd64, Intel L9600, 2 cores, 2.13GHz
benchmark                    old ns/op    new ns/op    delta
BenchmarkChanCreation          1451.00       926.00  -36.18%
BenchmarkChanCreation-2        3124.00      1412.00  -54.80%
BenchmarkChanCreation-4        6121.00      2628.00  -57.07%

BenchmarkFinalizer              684.00       420.00  -38.60%
BenchmarkFinalizer-2          11195.00       398.00  -96.44%
BenchmarkFinalizer-4          15862.00       654.00  -95.88%

BenchmarkFinalizerRun          2025.00      1397.00  -31.01%
BenchmarkFinalizerRun-2        3920.00      1447.00  -63.09%
BenchmarkFinalizerRun-4        9471.00      1545.00  -83.69%

R=golang-dev, cw, rsc
CC=golang-dev
https://golang.org/cl/4963057
 2011-10-06 18:42:51 +03:00
Nigel Tao
6a186d38d1 src/pkg: make package doc comments consistently start with "Package foo". 
R=rsc
CC=golang-dev
https://golang.org/cl/4442064
 2011-04-20 09:57:05 +10:00
Russ Cox
b287d7cbe1 runtime: more detailed panic traces, line number work 
Follow morestack, so that crashes during a stack split
give complete traces.  Also mark stack segment boundaries
as an aid to debugging.

Correct various line number bugs with yet another attempt
at interpreting the pc/ln table.  This one has a chance at
being correct, because I based it on reading src/cmd/ld/lib.c
instead of on reading the documentation.

Fixes #1138.
Fixes #1430.
Fixes #1461.

throw: runtime: split stack overflow

runtime.throw+0x3e /home/rsc/g/go2/src/pkg/runtime/runtime.c:78
        runtime.throw(0x81880af, 0xf75c8b18)
runtime.newstack+0xad /home/rsc/g/go2/src/pkg/runtime/proc.c:728
        runtime.newstack()
runtime.morestack+0x4f /home/rsc/g/go2/src/pkg/runtime/386/asm.s:184
        runtime.morestack()
----- morestack called from stack: -----
runtime.new+0x1a /home/rsc/g/go2/src/pkg/runtime/malloc.c:288
        runtime.new(0x1, 0x0, 0x0)
gongo.makeBoard+0x33 /tmp/Gongo/gongo_robot_test.go:344
        gongo.makeBoard(0x809d238, 0x1, 0xf76092c8, 0x1)
----- stack segment boundary -----
gongo.checkEasyScore+0xcc /tmp/Gongo/gongo_robot_test.go:287
        gongo.checkEasyScore(0xf764b710, 0x0, 0x809d238, 0x1)
gongo.TestEasyScore+0x8c /tmp/Gongo/gongo_robot_test.go:255
        gongo.TestEasyScore(0xf764b710, 0x818a990)
testing.tRunner+0x2f /home/rsc/g/go2/src/pkg/testing/testing.go:132
        testing.tRunner(0xf764b710, 0xf763b5dc, 0x0)
runtime.goexit /home/rsc/g/go2/src/pkg/runtime/proc.c:149
        runtime.goexit()

R=ken2, r
CC=golang-dev
https://golang.org/cl/4000053
 2011-02-02 16:44:20 -05:00
Luuk van Dijk
7400be87d8 runtime: generate Go defs for C types. 
R=rsc, mattn
CC=golang-dev
https://golang.org/cl/4047047
 2011-01-31 12:27:28 +01:00
Luuk van Dijk
85cae877f5 runtime: parallel definitions in Go for all C structs. 
R=rsc
CC=golang-dev
https://golang.org/cl/3308041
 2010-11-30 18:21:26 +01:00
Andrew Gerrand
78d19b9b73 runtime: remove done TODO from SetFinalizer 
R=rsc
CC=golang-dev
https://golang.org/cl/2472041
 2010-10-13 14:40:02 +11:00
Russ Cox
4e64555894 runtime: add GOOS, GOARCH; fix FuncLine 
Changes to FuncLine sync it with symtab.c's funcline.

R=r
CC=girard.m1, golang-dev
https://golang.org/cl/2083041
 2010-09-02 14:19:12 -04:00
Vinu Rajashekhar
e57657683f runtime/extern.go: clear a small error in a comment. 
R=iant, rsc
CC=golang-dev
https://golang.org/cl/1741058
 2010-07-24 19:10:21 -07:00
Ian Lance Taylor
5958fd7f89 Clarify that a new goroutine is not started for each finalizer. 
R=rsc
CC=golang-dev
https://golang.org/cl/1698051
 2010-07-15 12:32:38 -07:00
Russ Cox
e63ae242e6 runtime: split extern.go into debug.go, extern.go, sig.go. 
move mal next to the other malloc functions.

R=r
CC=golang-dev
https://golang.org/cl/1701045
 2010-06-21 20:53:49 -07:00
Rob Pike
eb48bfbbda runtime.GOMAXPROCS: hack it to have it return the old value. 
R=rsc
CC=golang-dev
https://golang.org/cl/1140041
 2010-05-06 11:50:47 -07:00
Russ Cox
83727ccf7c runtime: run deferred calls at Goexit 
baby step toward panic+recover.

Fixes #349.

R=r
CC=golang-dev
https://golang.org/cl/825043
 2010-03-29 21:48:22 -07:00
Russ Cox
d99a3da7b2 runtime: a couple more memory stats. 
now runtime.MemStats.Sys really is the sum of all the other Sys fields.

R=r
CC=golang-dev
https://golang.org/cl/843041
 2010-03-29 17:30:07 -07:00
Russ Cox
a709876767 runtime: more malloc statistics 
expvar: default publishings for cmdline, memstats
godoc: import expvar

R=r
CC=golang-dev
https://golang.org/cl/815041
 2010-03-29 13:06:26 -07:00
Russ Cox
4e28cfe970 runtime: run all finalizers in a single goroutine. 
eliminate second pass of mark+sweep
by scanning finalizer table specially.

R=r
CC=golang-dev
https://golang.org/cl/782041
 2010-03-26 14:15:30 -07:00
Russ Cox
6eb251f244 runtime: malloc sampling, pprof interface 
R=r
CC=golang-dev
https://golang.org/cl/719041
 2010-03-24 09:40:09 -07:00
Russ Cox
596c16e045 runtime: add memory profiling, disabled. 
no way to get the data out yet.

add prototype for runtime.Callers,
missing from last CL.

R=r
CC=golang-dev
https://golang.org/cl/713041
 2010-03-23 20:48:23 -07:00
Russ Cox
2b7d147f1a runtime: add Callers 
cut copies of traceback from 6 to 1.

R=r
CC=golang-dev
https://golang.org/cl/703041
 2010-03-23 17:01:17 -07:00
Russ Cox
0c3a93ceb7 runtime: add GOROOT and Version 
R=r
CC=golang-dev
https://golang.org/cl/608041
 2010-03-16 23:10:33 -07:00
Russ Cox
8ddd6c4181 runtime: clock garbage collection on bytes allocated, not pages in use 
This keeps fragmentation from delaying
garbage collections (and causing more fragmentation).

Cuts fresh godoc (with indexes) from 261M to 166M (120M live).
Cuts toy wc program from 50M to 8M.

Fixes #647.

R=r, cw
CC=golang-dev
https://golang.org/cl/257041
 2010-03-08 14:15:44 -08:00
Russ Cox
04d9c8853b runtime: fix bug in Caller documentation 
R=r
CC=golang-dev
https://golang.org/cl/207110
 2010-02-16 16:11:11 -08:00
Russ Cox
e4f06812c5 runtime: instrument malloc + garbage collector. 
add simple garbage collection benchmark.

R=iant
CC=golang-dev
https://golang.org/cl/204053
 2010-02-08 14:32:22 -08:00
Russ Cox
87915b6565 runtime: introduce MemStatsType 
R=ken2
CC=golang-dev
https://golang.org/cl/204061
 2010-02-07 01:20:44 -08:00
Russ Cox
33e396a4a7 finalizers; merge package malloc into package runtime 
R=r, cw
CC=golang-dev
https://golang.org/cl/198085
 2010-02-03 16:31:34 -08:00
Russ Cox
08579c26dd runtime: if os/signal is not in use, crash on 
most signals, so that ordinary programs
	can be killed, for example.

Fixes #434.

R=dsymonds1
CC=golang-dev, hoisie
https://golang.org/cl/180064
 2009-12-16 20:20:50 -08:00
David Symonds
b5866494ea os/signal: new package 
Fixes #71.

R=rsc, r
https://golang.org/cl/162056
 2009-12-15 18:21:29 -08:00
Rob Pike
6240b0110a improve documentation of runtime. there was no mention of types. 
R=rsc
CC=golang-dev
https://golang.org/cl/157042
 2009-11-17 11:44:15 -08:00
Robert Griesemer
d3d3accdb7 gofmt-ify io, json, runtime, encoding 
R=rsc
http://go/go-review/1017056
 2009-11-05 15:37:55 -08:00
Russ Cox
5bbd4c2f1b publish semacquire and semrelease for use by sync. 
more enforcing package boundaries

R=r
DELTA=46  (13 added, 15 deleted, 18 changed)
OCL=35806
CL=35806
 2009-10-15 17:46:53 -07:00
Russ Cox
91549438d8 apply gofmt to rand reflect regexp rpc runtime sort strconv strings sync syscall testing time unicode unsafe utf8 
R=gri
DELTA=1409  (79 added, 24 deleted, 1306 changed)
OCL=35415
CL=35437
 2009-10-07 11:55:06 -07:00
Russ Cox
67815ef65b checkpoint & test (pidigits) before trying to automate. 
R=r
DELTA=616  (598 added, 11 deleted, 7 changed)
OCL=33846
CL=33848
 2009-08-25 15:37:22 -07:00
Rob Pike
7955490de2 add runtime.GOMAXPROCS, allowing a program to, in effect, set $GOMAXPROCS 
R=rsc
DELTA=29  (28 added, 1 deleted, 0 changed)
OCL=32829
CL=32837
 2009-08-06 13:07:05 -07:00
Russ Cox
218c393029 add LockOSThread and UnlockOSThread to 
runtime package for use by debugger,
which needs to make sure that all ptrace calls
about a given pid come from the same thread.

R=r
DELTA=175  (90 added, 63 deleted, 22 changed)
OCL=31546
CL=31558
 2009-07-13 17:28:39 -07:00
Rob Pike
d90e7cbac6 mv src/lib to src/pkg 
tests: all.bash passes, gobuild still works, godoc still works.

R=rsc
OCL=30096
CL=30102
 2009-06-09 09:53:44 -07:00