MIPS: Perf: Fix 74K cache map

According to Software User's Manual, the event of last-level-cache
read/write misses is mapped to even counters. Odd counters of that
event number count miss cycles.

Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6036/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index 45f1ffc..24cdf64 100644 (file)
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -971,11 +971,11 @@ static const struct mips_perf_event mipsxx74Kcore_cache_map
 [C(LL)] = {
        [C(OP_READ)] = {
                [C(RESULT_ACCESS)]      = { 0x1c, CNTR_ODD, P },
-               [C(RESULT_MISS)]        = { 0x1d, CNTR_EVEN | CNTR_ODD, P },
+               [C(RESULT_MISS)]        = { 0x1d, CNTR_EVEN, P },
        },
        [C(OP_WRITE)] = {
                [C(RESULT_ACCESS)]      = { 0x1c, CNTR_ODD, P },
-               [C(RESULT_MISS)]        = { 0x1d, CNTR_EVEN | CNTR_ODD, P },
+               [C(RESULT_MISS)]        = { 0x1d, CNTR_EVEN, P },
        },
 },
 [C(ITLB)] = {