Commit graph

11 commits

Author SHA1 Message Date
Wu Fengguang
af9522cf13 perf_counter tools: when no command is feed to perfstat, display help and exit
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:24 +02:00
Wu Fengguang
dda7c02f33 perf_counter tools: cut down default count for cpu-cycles
In my system, it takes kerneltop dozens of minutes to
show up usable numbers. Make the default count 100 times
smaller fixed this long startup latency.

I'm not sure if it's the right solution though.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:23 +02:00
Wu Fengguang
3ab8d792b1 perf_counter tools: fix event_id type
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:23 +02:00
Wu Fengguang
ef45fa9e6c perf_counter tools: fix comment for sym_weight()
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:22 +02:00
Wu Fengguang
f7524bda8b perf_counter tools: move remaining code into kerneltop.c
- perfstat.c can be safely removed now
- perfstat: -s => -a for system wide accounting
- kerneltop: add -S/--stat for perfstat mode
- minor adjustments to kerneltop --help, perfstat --help

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:22 +02:00
Wu Fengguang
e3908612d9 perf_counter tools: Reuse event_name() in kerneltop
- can handle sw counters now
- the outputs will look slightly different

Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:21 +02:00
Wu Fengguang
95bb3be1b3 perf_counter tools: support symbolic event names in kerneltop
- kerneltop: --event_id => --event
- kerneltop: can accept SW event types now
- perfstat: it used to implicitly add event -2(task-clock),
	    the new code no longer does this. Shall we?

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:21 +02:00
Wu Fengguang
f49012fad4 perf_counter tools: Move perfstat supporting code into perfcounters.h
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:20 +02:00
Wu Fengguang
cea92ce5b0 perf_counter tools: Merge common code into perfcounters.h
kerneltop's MAX_COUNTERS is increased from 8 to 64(the value used by perfstat).

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:20 +02:00
Ingo Molnar
e0143bad9d perf_counter: add sample user-space to Documentation/perf_counter/
Initial version of kerneltop.c and perfstat.c.

Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:19 +02:00
Ingo Molnar
6f9f791eb5 perf_counter: create Documentation/perf_counter/ and move perfcounters.txt there
We'll have more files in that directory, prepare for that.

Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-06 09:30:19 +02:00