perf_counter, x86: Update AMD hw caching related event table

All AMD models share the same hw caching related event table.

Also complete the table with more events.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1244835381.2802.2.camel@ht.satnam>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 3c37c3930ca1f0087d76db7f36ed1c5042e34df1..77a59a5566a84eb97c5c14f6f874d9d8812ff6ac 100644 (file)
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -389,23 +389,23 @@ static u64 intel_pmu_raw_event(u64 event)
        return event & CORE_EVNTSEL_MASK;
 }
 
-static const u64 amd_0f_hw_cache_event_ids
+static const u64 amd_hw_cache_event_ids
                                [PERF_COUNT_HW_CACHE_MAX]
                                [PERF_COUNT_HW_CACHE_OP_MAX]
                                [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 {
  [ C(L1D) ] = {
        [ C(OP_READ) ] = {
-               [ C(RESULT_ACCESS) ] = 0,
-               [ C(RESULT_MISS)   ] = 0,
+               [ C(RESULT_ACCESS) ] = 0x0040, /* Data Cache Accesses        */
+               [ C(RESULT_MISS)   ] = 0x0041, /* Data Cache Misses          */
        },
        [ C(OP_WRITE) ] = {
-               [ C(RESULT_ACCESS) ] = 0,
+               [ C(RESULT_ACCESS) ] = 0x0042, /* Data Cache Refills from L2 */
                [ C(RESULT_MISS)   ] = 0,
        },
        [ C(OP_PREFETCH) ] = {
-               [ C(RESULT_ACCESS) ] = 0,
-               [ C(RESULT_MISS)   ] = 0,
+               [ C(RESULT_ACCESS) ] = 0x0267, /* Data Prefetcher :attempts  */
+               [ C(RESULT_MISS)   ] = 0x0167, /* Data Prefetcher :cancelled */
        },
  },
  [ C(L1I ) ] = {
@@ -418,17 +418,17 @@ static const u64 amd_0f_hw_cache_event_ids
                [ C(RESULT_MISS)   ] = -1,
        },
        [ C(OP_PREFETCH) ] = {
-               [ C(RESULT_ACCESS) ] = 0,
+               [ C(RESULT_ACCESS) ] = 0x014B, /* Prefetch Instructions :Load */
                [ C(RESULT_MISS)   ] = 0,
        },
  },
  [ C(LL  ) ] = {
        [ C(OP_READ) ] = {
-               [ C(RESULT_ACCESS) ] = 0,
-               [ C(RESULT_MISS)   ] = 0,
+               [ C(RESULT_ACCESS) ] = 0x037D, /* Requests to L2 Cache :IC+DC */
+               [ C(RESULT_MISS)   ] = 0x037E, /* L2 Cache Misses : IC+DC     */
        },
        [ C(OP_WRITE) ] = {
-               [ C(RESULT_ACCESS) ] = 0,
+               [ C(RESULT_ACCESS) ] = 0x017F, /* L2 Fill/Writeback           */
                [ C(RESULT_MISS)   ] = 0,
        },
        [ C(OP_PREFETCH) ] = {
@@ -438,8 +438,8 @@ static const u64 amd_0f_hw_cache_event_ids
  },
  [ C(DTLB) ] = {
        [ C(OP_READ) ] = {
-               [ C(RESULT_ACCESS) ] = 0,
-               [ C(RESULT_MISS)   ] = 0,
+               [ C(RESULT_ACCESS) ] = 0x0040, /* Data Cache Accesses        */
+               [ C(RESULT_MISS)   ] = 0x0046, /* L1 DTLB and L2 DLTB Miss   */
        },
        [ C(OP_WRITE) ] = {
                [ C(RESULT_ACCESS) ] = 0,
@@ -1465,16 +1465,10 @@ static int amd_pmu_init(void)
 
        x86_pmu = amd_pmu;
 
-       switch (boot_cpu_data.x86) {
-       case 0x0f:
-       case 0x10:
-       case 0x11:
-               memcpy(hw_cache_event_ids, amd_0f_hw_cache_event_ids,
-                      sizeof(hw_cache_event_ids));
+       /* Events are common for all AMDs */
+       memcpy(hw_cache_event_ids, amd_hw_cache_event_ids,
+              sizeof(hw_cache_event_ids));
 
-               pr_cont("AMD Family 0f/10/11 events, ");
-               break;
-       }
        return 0;
 }