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
6b7dd4c020
add build step to install debuggers setgid procmod.
...
they have to go in /usr/local/bin
because the setgid bit is ignored in /Users.
R=r
DELTA=54 (49 added, 0 deleted, 5 changed)
OCL=19424
CL=19463
2008-11-18 10:08:46 -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
Russ Cox
7832ab5ba0
code coverage tool
...
$ 6cov -g 235.go 6.out
235.go:62,62 main·main 0x27c9-0x2829 MOVL $main·.stringo(SB),AX
235.go:30,30 main·main 0x2856-0x285e ADDQ $6c0,SP
$
and assorted fixes.
R=r
DELTA=743 (732 added, 8 deleted, 3 changed)
OCL=19226
CL=19243
2008-11-14 10:45:23 -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
