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3 Commits

Author SHA1 Message Date
Vineet Gupta
da990a4f2d ARC: [perf] Fix a few thinkos 
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
 2013-11-28 15:49:59 +05:30
Mischa Jonker
230c4aadcc ARC: perf: ARC 700 PMU doesn't support sampling events 
The ARC 700 does not have an interrupt associated with it, and as
such it cannot trigger when a counter overflows. As the counters are
48 bit, it will usually take at least 100 days before a counter
overflows, so for mere counting of events, there is no problem.
Sampling is not supported though.

Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
 2013-11-15 10:52:28 +05:30
Mischa Jonker
0dd450fe13 ARC: Add perf support for ARC700 cores 
This adds basic perf support for ARC700 cores. Most PERF_COUNT_HW* events
are supported now.

Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
 2013-11-12 09:45:38 +05:30