[tip:perfcounters/core] perf_counter, x86: Update AMD hw caching related event table

From: tip-bot for Jaswinder Singh Rajput
Date: Sat Jun 13 2009 - 10:51:26 EST


Commit-ID: f4db43a38f7387c3b19c9565124c06ab0c5d6e9a
Gitweb: http://git.kernel.org/tip/f4db43a38f7387c3b19c9565124c06ab0c5d6e9a
Author: Jaswinder Singh Rajput <jaswinder@xxxxxxxxxx>
AuthorDate: Sat, 13 Jun 2009 01:06:21 +0530
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Sat, 13 Jun 2009 12:58:25 +0200

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@xxxxxxxxx>
Cc: Robert Richter <robert.richter@xxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
LKML-Reference: <1244835381.2802.2.camel@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
arch/x86/kernel/cpu/perf_counter.c | 36 +++++++++++++++---------------------
1 files changed, 15 insertions(+), 21 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 3c37c39..77a59a5 100644
--- 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;
}

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