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Commit Graph

16187 Commits

Author SHA1 Message Date
Brad Fitzpatrick
42a840860f net/http: remove two more server allocations per-request
benchmark                                   old ns/op    new ns/op    delta
BenchmarkServerFakeConnWithKeepAliveLite        11031        10689   -3.10%

benchmark                                  old allocs   new allocs    delta
BenchmarkServerFakeConnWithKeepAliveLite           23           21   -8.70%

benchmark                                   old bytes    new bytes    delta
BenchmarkServerFakeConnWithKeepAliveLite         1668         1626   -2.52%

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/8110044
2013-03-28 13:07:14 -07:00
Robert Griesemer
04341b246e cmd/godoc: cleanups
- removed gratuitous empty lines that creeped into command line output
- changed comment color to a dark green so that links don't visually melt into them
- removed some TODOs
- updated doc.go

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8108044
2013-03-28 13:05:30 -07:00
Brad Fitzpatrick
972cb4b442 net/http: more tests, better comments, remove an allocation
Add more tests around the various orders handlers can access
and flush response headers.

Also clarify the documentation on fields of response and
chunkWriter.

While there, remove an allocation (a header clone) for simple
handlers.

benchmark                                   old ns/op    new ns/op    delta
BenchmarkServerFakeConnWithKeepAliveLite        15245        14966   -1.83%

benchmark                                  old allocs   new allocs    delta
BenchmarkServerFakeConnWithKeepAliveLite           24           23   -4.17%

benchmark                                   old bytes    new bytes    delta
BenchmarkServerFakeConnWithKeepAliveLite         1717         1668   -2.85%

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/8101043
2013-03-28 11:35:24 -07:00
Ian Lance Taylor
8877a2dfee cmd/ld: when using host linker pass -r option as -rpath
R=golang-dev, daniel.morsing
CC=golang-dev
https://golang.org/cl/8070043
2013-03-28 09:37:32 -07:00
Robert Griesemer
1a427a697e cmd/godoc: don't crash if there's no documentation
Fixes regression introduced by CL 7860049.

R=golang-dev, kamil.kisiel, dave
CC=golang-dev
https://golang.org/cl/8069044
2013-03-28 08:46:17 -07:00
Rob Pike
ab962c8da2 vet: add a progress message to asmdecl.go
Analogous to the one for .go files, it's for .s only and is protected
by the verbose flag.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8030046
2013-03-27 16:55:16 -07:00
Rob Pike
99645db926 text/template: fix bug in evaluating a chain starting with a function.
R=golang-dev, alberto.garcia.hierro
CC=golang-dev
https://golang.org/cl/7861046
2013-03-27 16:31:14 -07:00
Rob Pike
b06b77b8cf vet: fix test_deadcode.go's tests
This is a totally mechanical change.
Errors are reported for the beginning of the statement, not the end,
so the errchk markers need to be on the opening brace, not the closing
one. It seems this test was never run.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7746050
2013-03-27 16:30:20 -07:00
Rob Pike
f3eaaa62a1 cmd/vet: fix assembly test files
They should be build-tagged for vet_test not ignore,
and not have a Go package clause.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8016047
2013-03-27 16:29:12 -07:00
Brad Fitzpatrick
5b3ff61be6 runtime: allocate maps' first bucket table lazily
Motivated by garbage profiling in HTTP benchmarks. This
changes means new empty maps are just one small allocation
(the HMap) instead the HMap + the relatively larger h->buckets
allocation. This helps maps which remain empty throughout
their life.

benchmark               old ns/op    new ns/op    delta
BenchmarkNewEmptyMap          196          107  -45.41%

benchmark              old allocs   new allocs    delta
BenchmarkNewEmptyMap            2            1  -50.00%

benchmark               old bytes    new bytes    delta
BenchmarkNewEmptyMap          195           50  -74.36%

R=khr, golang-dev, r
CC=golang-dev
https://golang.org/cl/7722046
2013-03-27 16:28:51 -07:00
Ian Lance Taylor
b735eeb323 cmd/ld: fix OpenBSD (third try)
On OpenBSD don't mark runtime.{g,m} as STT_TLS symbols.

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/7867046
2013-03-27 16:00:58 -07:00
Rob Pike
48ecfc979f faq: update with some links and 1.1-specific details
R=golang-dev, remyoudompheng, iant
CC=golang-dev
https://golang.org/cl/8038048
2013-03-27 15:26:57 -07:00
Robert Griesemer
611e8dbf52 cmd/godoc: emit id's for constants and variables
Fixes #5077.

R=r
CC=golang-dev
https://golang.org/cl/8021044
2013-03-27 15:14:28 -07:00
Ian Lance Taylor
8d4f381f5c cmd/ld, cmd/8l: Fix OpenBSD build.
Don't generate TLS sections on OpenBSD.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8059043
2013-03-27 15:00:11 -07:00
Ian Lance Taylor
e7fc9a5c57 cmd/6l: fix OpenBSD build
Avoid generating TLS relocations on OpenBSD.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7641055
2013-03-27 14:32:51 -07:00
Rémy Oudompheng
e3b767a5a1 cmd/gc: update runtime.go for new map implementation.
R=golang-dev, bradfitz, r
CC=golang-dev
https://golang.org/cl/8051044
2013-03-27 21:51:07 +01:00
Brad Fitzpatrick
393b3b1304 net/http: server optimization; reduce GCs, generate ~half the garbage
There was another bufio.Writer not being reused, found with
GOGC=off and -test.memprofile.

benchmark                               old ns/op    new ns/op    delta
BenchmarkServerFakeConnWithKeepAlive        18270        16046  -12.17%

benchmark                              old allocs   new allocs    delta
BenchmarkServerFakeConnWithKeepAlive           38           36   -5.26%

benchmark                               old bytes    new bytes    delta
BenchmarkServerFakeConnWithKeepAlive         4598         2488  -45.89%

Update #5100

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/8038047
2013-03-27 13:35:49 -07:00
Brad Fitzpatrick
584a66b785 net/http: new server-only, single-connection keep-alive benchmark
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8046043
2013-03-27 13:35:41 -07:00
Ian Lance Taylor
30e29ee9b6 cmd/ld: emit TLS relocations during external linking
This CL was written by rsc.  I just tweaked 8l.

This CL adds TLS relocation to the ELF .o file we write during external linking,
so that the host linker (gcc) can decide the final location of m and g.

Similar relocations are not necessary on OS X because we use an alternate
program start-time mechanism to acquire thread-local storage.

Similar relocations are not necessary on ARM or Plan 9 or Windows
because external linking mode is not yet supported on those systems.

On almost all ELF systems, the references we use are like %fs:-0x4 or %gs:-0x4,
which we write in 6a/8a as -0x4(FS) or -0x4(GS). On Linux/ELF, however,
Xen's lack of support for this mode forced us long ago to use a two-instruction
sequence: first we load %gs:0x0 into a register r, and then we use -0x4(r).
(The ELF program loader arranges that %gs:0x0 contains a regular pointer to
that same memory location.) In order to relocate those -0x4(r) references,
the linker must know where they are. This CL adds the equivalent notation
-0x4(r)(GS*1) for this purpose: it assembles to the same encoding as -0x4(r)
but the (GS*1) indicates to the linker that this is one of those thread-local
references that needs relocation.

Thanks to Elias Naur for reminding me about this missing piece and
also for writing the test.

R=r
CC=golang-dev
https://golang.org/cl/7891047
2013-03-27 13:27:35 -07:00
Rémy Oudompheng
23482db9f1 runtime/race: mark failing test as such.
Fixes race builder.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8055045
2013-03-27 21:15:05 +01:00
Rémy Oudompheng
7c79910cb9 cmd/gc: fix race instrumentation of append and type switches.
The remaining issues are about runtime and sync package
instrumentation.

Update #4228

R=dvyukov, bradfitz
CC=golang-dev
https://golang.org/cl/8041043
2013-03-27 20:33:17 +01:00
Jonathan Rudenberg
0657e7df9f doc: fix go1.1.html typos
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7635049
2013-03-27 11:09:14 -07:00
Brad Fitzpatrick
40cd845eea net/http: improve test leak checker flakiness
And make it have more useful output on failure.

Update #5005

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8016046
2013-03-27 10:07:22 -07:00
Anthony Martin
d1eb9c8e0d libmach: respect symbol table boundaries
Since fp->symsz includes the size of the header
in the new symbol table format, we were reading
past the end and decoding a few garbage symbols
from data in the pc/line table.

R=rsc, r
CC=golang-dev
https://golang.org/cl/7993043
2013-03-27 05:59:06 -07:00
Brad Fitzpatrick
8eaa942933 net/textproto: add "Cookie" to the common headers list
Seems to have been omitted before.

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/7749049
2013-03-26 23:08:08 -07:00
Robert Griesemer
12cf2ff00b godoc: pass *PageInfos instead of *token.FileSets in templates
- convert all formatters that require a *token.FileSet to
  consistenly use a *PageInfo as first argument instead
- adjust templates correspondingly
- fix outstanding bug from previous CL 8005044

Going forward, with this change the affected functions have
access to the full page "context" (PageInfo), not just the
respective file set. This will permit better context-dependent
formatting in the future.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7860049
2013-03-26 18:28:16 -07:00
Rob Pike
50231fa19f lib/codereview/codereview.py: fix crash when hg gofmt has no files
The gofmt function was returning a string, which isn't the right type.
Three cheers for dynamic typing.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7917044
2013-03-26 17:32:22 -07:00
Rémy Oudompheng
5f9a9433ea cmd/gc: enable racewalk of HMUL nodes.
A HMUL node appears in some constant divisions, but
to observe a false negative in race detector the divisor must be
suitably chosen to make sure the only memory access is
done for HMUL.

R=dvyukov
CC=golang-dev
https://golang.org/cl/7935045
2013-03-26 23:35:42 +01:00
Dave Cheney
24c2c88b90 doc: consistent path names in example
Always use /home/you for $HOME in examples.

Trivial enough that someone else can integrate this change if they are editing go1.1.html

R=r
CC=golang-dev
https://golang.org/cl/8025043
2013-03-27 09:22:23 +11:00
Ian Lance Taylor
515353a290 pkg/runtime: ignore runtime.memlimit when allocating heap
For Go 1.1, stop checking the rlimit, because it broke now
that mheap is allocated using SysAlloc.  See issue 5049.

R=r
CC=golang-dev
https://golang.org/cl/7741050
2013-03-26 14:01:12 -07:00
Robert Griesemer
2180506169 godoc: internal cleanup: remove a TODO
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8005044
2013-03-26 13:12:38 -07:00
Russ Cox
3660b532ac reflect: add garbage collection info in ChanOf, MapOf, PtrTo, SliceOf
ArrayOf will remain unexported (and therefore unused) for Go 1.1.

Fixes #4375.

R=0xe2.0x9a.0x9b, r, iant
CC=golang-dev
https://golang.org/cl/7716048
2013-03-26 11:50:29 -07:00
Rob Pike
a101bfc620 doc/go1.1.html: net/mail, net/smtp
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7835049
2013-03-26 11:47:27 -07:00
Carl Shapiro
8480e6f476 runtime: ensure forward progress when unwinding an arm stack frame
The arm gentraceback mishandled frame linkage values pointing
to the assembly return function.  This function is special as
its frame size is zero and it contains only one instruction.
These conditions would preserve the frame pointer and result
in an off by one error when unwinding the caller.

Fixes #5124

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8023043
2013-03-26 11:43:09 -07:00
Robert Griesemer
7cfebf7b1d godoc: link identifiers to declarations
The changes are almost completely self-contained
in the new file linkify.go. The other changes are
minimal and should not disturb the currently
working godoc, in anticipation of Go 1.1.

To disable the feature in case of problems, set
-links=false.

Fixes #2063.

R=adg, r
CC=golang-dev
https://golang.org/cl/7883044
2013-03-26 11:14:30 -07:00
Rob Pike
02b7550817 builtin: add linkable-to declarations for iota and nil
Aids godoc.

R=golang-dev, gri, bradfitz
CC=golang-dev
https://golang.org/cl/7992044
2013-03-26 11:05:06 -07:00
Rob Pike
237b8b8b66 doc/go1.1.html: describe Zone and other net changes
Mild adaptation of rsc's 8021043, which I was unable to clpatch.
(rsc is offline)

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7741049
2013-03-26 10:54:55 -07:00
Andrew Gerrand
a52855535a doc: fix typo in go 1.1 doc
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/7725049
2013-03-26 09:37:17 -07:00
Dmitriy Vyukov
94599ea745 runtime: does not report duplicate errors in netpoll
Prevents storm of error messages if something goes wrong.
In the case of issue 5073 the epoll fd was closed by the test.
Update #5073.

R=golang-dev, r, rsc
CC=golang-dev
https://golang.org/cl/7966043
2013-03-26 20:25:43 +04:00
Mikio Hara
9d97b55d38 net: fix test data corruption in repetitive test runs by -cpu
This CL avoids test data sharing in repetitive test runs;
e.g., go test net -cpu=1,1,1

R=golang-dev, fullung, bradfitz
CC=golang-dev
https://golang.org/cl/8011043
2013-03-27 01:06:48 +09:00
Rémy Oudompheng
eb7c51c148 cmd/gc: more race instrumentation.
Handle interface comparison correctly,
add a few more tests, mark more nodes as impossible.

R=dvyukov, golang-dev
CC=golang-dev
https://golang.org/cl/7942045
2013-03-26 08:27:18 +01:00
Rémy Oudompheng
ce99bb2caf cmd/gc: fix nil pointer dereferences.
Fixes #5119.

R=golang-dev, dvyukov, dave, rsc
CC=golang-dev
https://golang.org/cl/7838050
2013-03-26 08:20:10 +01:00
Yasuhiro Matsumoto
d7434816c1 misc/vim: make Godoc command work with "log.Print".
R=dsymonds
CC=golang-dev
https://golang.org/cl/7757043
2013-03-26 17:39:46 +11:00
Dave Cheney
adb9d60cd1 image/gif: make test repeatable
Fixes issue with go test -cpu=1,1

R=minux.ma, bradfitz, nigeltao
CC=golang-dev
https://golang.org/cl/7808045
2013-03-26 16:20:17 +11:00
David Symonds
1e0e65ea59 doc/articles: update reference to obsolete "package documentation".
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/7475048
2013-03-26 13:01:24 +11:00
Julien Schmidt
5e74f5029b database/sql: optimized []byte copy + []byte(nil) -> *interface fix
Make the copy directly in the convert switch instead of an extra loop.
Also stops converting nil-[]byte to zero-[]byte when assigning to *interface

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7962044
2013-03-25 17:43:30 -07:00
Rob Pike
4529c047b8 doc/go1.1.html: introduction
R=golang-dev, adg, bradfitz
CC=golang-dev
https://golang.org/cl/7696045
2013-03-25 17:41:12 -07:00
Brad Fitzpatrick
eee3e63607 database/sql: link to driver wiki page
Fixes #5127

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/8011044
2013-03-25 17:38:51 -07:00
Brad Fitzpatrick
209f6b1d2c database/sql: don't close a driver.Conn until its Stmts are closed
Fixes #5046

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8016044
2013-03-25 16:50:27 -07:00
Adam Langley
f20f8b8b0a crypto/rsa: don't correct private exponent unless needed.
At some point in the past, I believe the GCD algorithm was setting d to
be negative. The RSA code has been correcting that ever since but, now,
it appears to have changed and the correction isn't needed.

Having d be too large is harmless, it's just a little odd and I
happened to notice.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/7948044
2013-03-25 19:08:29 -04:00