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21 Commits

Author SHA1 Message Date
Anthony Martin 3192cac587 cmd/prof: don't build on Plan 9 for now. 
R=golang-dev, bradfitz, akumar
CC=golang-dev
https://golang.org/cl/5629054
 2012-04-16 17:36:36 -07:00
Russ Cox 55db9fe730 build: fix unused parameters 
Found with gcc 4.6 -Wunused -Wextra
but should be applicable to Plan 9 too.

R=ken2
CC=golang-dev
https://golang.org/cl/4958044
 2011-08-25 16:08:13 -04:00
Eoghan Sherry 40ff071e9b 5g/8g, 8l, ld, prof: fix output of 32-bit values 
If an %lld argument can be 32 or 64 bits wide, cast to vlong.
If always 32 bits, drop the ll.
Fixes #1336.

R=brainman, rsc
CC=golang-dev
https://golang.org/cl/3580041
 2010-12-12 14:40:19 -05:00
David Symonds 763cb8ad11 6prof: more accurate usage message. 
R=r, r2
CC=golang-dev
https://golang.org/cl/2323042
 2010-09-29 20:17:18 -07:00
Andrew Gerrand f656a87697 prof: fix typo in usage string 
Fixes #948.

R=rsc
CC=golang-dev
https://golang.org/cl/1890043
 2010-07-26 14:46:53 +10:00
Rob Pike 2f63eb243c delete debugging prints 
R=rsc
CC=golang-dev
https://golang.org/cl/186079
 2010-01-11 17:35:51 -08:00
Rob Pike ba5d0f2098 delete debugging prints 
R=rsc
CC=golang-dev
https://golang.org/cl/186079
 2010-01-11 17:35:06 -08:00
Rob Pike 937caef8fa add pprof output format to prof. 
amd64 linux only.

R=rsc
CC=golang-dev
https://golang.org/cl/186077
 2010-01-11 16:53:45 -08:00
Rob Pike 8c557962de make 6prof (sic) architecture-independent. 
for now, it's amd64 and 386 only but it's trivial to add more.

Fixes #385.

(why couldn't it have been issue 386?)

tested for amd64 and 386 on darwin.

R=rsc
CC=golang-dev
https://golang.org/cl/182043
 2009-12-24 07:17:49 +11:00
Rob Pike 67dc2ae3a6 a couple of usage fixups in prof 
R=rsc
https://golang.org/cl/161050
 2009-12-01 11:35:34 -08:00
Rob Pike 00274a13cb rename libmach_amd64 libmach 
R=rsc
OCL=33273
CL=33276
 2009-08-14 10:46:04 -07:00
Rob Pike 7deeb5bd78 print profile to stderr. sheesh. 
R=rsc
DELTA=40  (0 added, 0 deleted, 40 changed)
OCL=32694
CL=32698
 2009-08-03 21:03:40 -07:00
Russ Cox 736903c170 libmach: 
* heuristic to go farther during stack traces.
	* significantly improved Linux thread handing.

acid:
	* update to new libmach interface.

prof:
	* use new libmach interface.
	* multiple thread support (derived from Rob's copy).
	* first steps toward pprof-like graphs:
	  keep counters indexed by pc,callerpc pairs.

R=r
DELTA=909  (576 added, 123 deleted, 210 changed)
OCL=24240
CL=24259
 2009-02-03 15:00:09 -08:00
Russ Cox f8b20e4083 add cov, prof to default build; clean up compiler warnings 
R=r
DELTA=8  (1 added, 0 deleted, 7 changed)
OCL=19245
CL=19245
 2008-11-14 10:57:48 -08:00
Rob Pike 0e544fa0e3 fix error-handling bug. 
add newline after stack traces.

R=rsc
DELTA=3  (2 added, 1 deleted, 0 changed)
OCL=18945
CL=18953
 2008-11-10 18:13:20 -08:00
Rob Pike 10137e7f1d fix start/stop bug in prof. 
also only time-limit if a value is provided.

R=rsc
DELTA=9  (4 added, 2 deleted, 3 changed)
OCL=18917
CL=18920
 2008-11-10 14:53:32 -08:00
Rob Pike bbb908fef0 allow prof to launch the process 
R=rsc
DELTA=32  (30 added, 0 deleted, 2 changed)
OCL=16440
CL=16445
 2008-10-03 14:49:10 -07:00
Russ Cox d4edee3dd0 prototype nit 
R=r
DELTA=1  (0 added, 0 deleted, 1 changed)
OCL=15906
CL=15909
 2008-09-25 17:07:24 -07:00
Russ Cox 3f106f976a make prof work on linux 
R=r
DELTA=18  (11 added, 1 deleted, 6 changed)
OCL=15752
CL=15755
 2008-09-24 11:07:21 -07:00
Rob Pike c79dffd5ef bug: updated wrong counter when combining values 
R=rsc
OCL=15751
CL=15751
 2008-09-24 10:35:59 -07:00
Rob Pike eea21f8b85 rudimentary real-time profiler. 
tested on mac only.
output like this:
	tubenose=% sudo go/src/cmd/prof/6prof -p 71839 -c  -d 10
	63.93%	mach_semaphore_signal
	 4.64%	sys·chansend1
	 3.93%	chanrecv
	 2.86%	semrelease
	 1.43%	cas
	 1.43%	sendchan
	 1.07%	xadd
	 0.71%	main·f
	 0.71%	scheduler
	 0.71%	sys·gosched
	 0.71%	dequeue
	 ...

R=rsc
DELTA=361  (361 added, 0 deleted, 0 changed)
OCL=15731
CL=15736
 2008-09-23 18:45:44 -07:00