csky: Fixup some error count in 810 & 860.
authorGuo Ren <ren_guo@c-sky.com>
Tue, 4 Jun 2019 10:54:48 +0000 (18:54 +0800)
committerGuo Ren <ren_guo@c-sky.com>
Fri, 19 Jul 2019 06:21:36 +0000 (14:21 +0800)
CK810 pmu only support event with index 0-8 and 0xd; CK860 only
support event 1~4, 0xa~0x1b. So do not register unsupport event
to hardware cache event, which may leader to unknown behavior.

Signed-off-by: Mao Han <han_mao@c-sky.com>
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
arch/csky/kernel/perf_event.c

index a61183a208290d5658262385a96ba403631a0cdd..4c1a1934d76ab6447c583126828f984b887afc13 100644 (file)
@@ -728,6 +728,20 @@ static const int csky_pmu_hw_map[PERF_COUNT_HW_MAX] = {
 #define CACHE_OP_UNSUPPORTED   0xffff
 static const int csky_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
        [C(L1D)] = {
+#ifdef CONFIG_CPU_CK810
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = 0x5,
+                       [C(RESULT_MISS)]        = 0x6,
+               },
+#else
                [C(OP_READ)] = {
                        [C(RESULT_ACCESS)]      = 0x14,
                        [C(RESULT_MISS)]        = 0x15,
@@ -737,9 +751,10 @@ static const int csky_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
                        [C(RESULT_MISS)]        = 0x17,
                },
                [C(OP_PREFETCH)] = {
-                       [C(RESULT_ACCESS)]      = 0x5,
-                       [C(RESULT_MISS)]        = 0x6,
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                },
+#endif
        },
        [C(L1I)] = {
                [C(OP_READ)] = {
@@ -756,6 +771,20 @@ static const int csky_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
                },
        },
        [C(LL)] = {
+#ifdef CONFIG_CPU_CK810
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = 0x7,
+                       [C(RESULT_MISS)]        = 0x8,
+               },
+#else
                [C(OP_READ)] = {
                        [C(RESULT_ACCESS)]      = 0x18,
                        [C(RESULT_MISS)]        = 0x19,
@@ -765,29 +794,48 @@ static const int csky_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
                        [C(RESULT_MISS)]        = 0x1b,
                },
                [C(OP_PREFETCH)] = {
-                       [C(RESULT_ACCESS)]      = 0x7,
-                       [C(RESULT_MISS)]        = 0x8,
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                },
+#endif
        },
        [C(DTLB)] = {
+#ifdef CONFIG_CPU_CK810
                [C(OP_READ)] = {
-                       [C(RESULT_ACCESS)]      = 0x5,
-                       [C(RESULT_MISS)]        = 0xb,
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                },
                [C(OP_WRITE)] = {
                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                },
+#else
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = 0x14,
+                       [C(RESULT_MISS)]        = 0xb,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = 0x16,
+                       [C(RESULT_MISS)]        = 0xb,
+               },
+#endif
                [C(OP_PREFETCH)] = {
                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                },
        },
        [C(ITLB)] = {
+#ifdef CONFIG_CPU_CK810
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+#else
                [C(OP_READ)] = {
                        [C(RESULT_ACCESS)]      = 0x3,
                        [C(RESULT_MISS)]        = 0xa,
                },
+#endif
                [C(OP_WRITE)] = {
                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,