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ARCv2: perf: implement exclusion of event counting in user or kernel mode

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Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Alexey Brodkin
2015-08-24 13:53:36 +03:00
committed by Vineet Gupta
parent 36481cf7fb
commit e6b1d126bb
2 changed files with 17 additions and 2 deletions
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3
arch/arc/include/asm/perf_event.h
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@@ -34,6 +34,9 @@
#define ARC_REG_PCT_INT_CTRL 0x25E
#define ARC_REG_PCT_INT_ACT 0x25F
#define ARC_REG_PCT_CONFIG_USER (1 << 18) /* count in user mode */
#define ARC_REG_PCT_CONFIG_KERN (1 << 19) /* count in kernel mode */
#define ARC_REG_PCT_CONTROL_CC (1 << 16) /* clear counts */
#define ARC_REG_PCT_CONTROL_SN (1 << 17) /* snapshot */