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-rw-r--r--arch/x86/include/asm/perf_event_p4.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h
index b47b9e9ac13f..b842b3238e46 100644
--- a/arch/x86/include/asm/perf_event_p4.h
+++ b/arch/x86/include/asm/perf_event_p4.h
@@ -319,6 +319,7 @@ static inline u32 p4_default_escr_conf(int cpu, int exclude_os, int exclude_usr)
#define P4_BSQ_ACTIVE_ENTRIES P4_EVENT_PACK(0x06, 0x07)
/*
+ * NOTE: no ESCR name in docs, it's guessed
* MSR_P4_BSU_ESCR1: 2, 3
*/
@@ -468,8 +469,8 @@ static inline u32 p4_default_escr_conf(int cpu, int exclude_os, int exclude_usr)
#define P4_UOPS_RETIRED P4_EVENT_PACK(0x01, 0x04)
/*
- * MSR_P4_CRU_ESCR2: 12, 13, 16
- * MSR_P4_CRU_ESCR3: 14, 15, 17
+ * MSR_P4_CRU_ESCR0: 12, 13, 16
+ * MSR_P4_CRU_ESCR1: 14, 15, 17
*/
#define P4_UOP_TYPE P4_EVENT_PACK(0x02, 0x02)