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authorRobert Richter <robert.richter@amd.com>2010-09-22 17:45:39 +0200
committerRobert Richter <robert.richter@amd.com>2010-10-15 12:50:43 +0200
commitb47fad3bfb5940cc3e28a1c69716f6dc44e4b7e6 (patch)
treeac665594dee589c38608f2c24ddb2d2f7a39d201 /arch/x86/include
parent25da6950475becb35d7a3bb3b5fbdc715a76887e (diff)
downloadop-kernel-dev-b47fad3bfb5940cc3e28a1c69716f6dc44e4b7e6.zip
op-kernel-dev-b47fad3bfb5940cc3e28a1c69716f6dc44e4b7e6.tar.gz
oprofile, x86: Add support for IBS periodic op counter extension
The count value for IBS op sampling has been extended by 7 bits. The feature is reflected in bit 6 (OpCntExt) of the IBS capability register (CPUID Fn8000_001B_EAX). Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/perf_event.h19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 6e742cc..550e26b1 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -111,17 +111,18 @@ union cpuid10_edx {
#define X86_PMC_IDX_FIXED_BTS (X86_PMC_IDX_FIXED + 16)
/* IbsFetchCtl bits/masks */
-#define IBS_FETCH_RAND_EN (1ULL<<57)
-#define IBS_FETCH_VAL (1ULL<<49)
-#define IBS_FETCH_ENABLE (1ULL<<48)
-#define IBS_FETCH_CNT 0xFFFF0000ULL
-#define IBS_FETCH_MAX_CNT 0x0000FFFFULL
+#define IBS_FETCH_RAND_EN (1ULL<<57)
+#define IBS_FETCH_VAL (1ULL<<49)
+#define IBS_FETCH_ENABLE (1ULL<<48)
+#define IBS_FETCH_CNT 0xFFFF0000ULL
+#define IBS_FETCH_MAX_CNT 0x0000FFFFULL
/* IbsOpCtl bits */
-#define IBS_OP_CNT_CTL (1ULL<<19)
-#define IBS_OP_VAL (1ULL<<18)
-#define IBS_OP_ENABLE (1ULL<<17)
-#define IBS_OP_MAX_CNT 0x0000FFFFULL
+#define IBS_OP_CNT_CTL (1ULL<<19)
+#define IBS_OP_VAL (1ULL<<18)
+#define IBS_OP_ENABLE (1ULL<<17)
+#define IBS_OP_MAX_CNT 0x0000FFFFULL
+#define IBS_OP_MAX_CNT_EXT 0x007FFFFFULL /* not a register bit mask */
#ifdef CONFIG_PERF_EVENTS
extern void init_hw_perf_events(void);
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