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perf/x86: Fix LLC-* and node-* events on Intel SandyBridge

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LLC-* and node-* events require using the OFFCORE_RESPONSE events
on SandyBridge, but the hw_cache_extra_regs is left uninitialized.
This patch adds the missing extra register configure table for
SandyBridge.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1342517275-2875-1-git-send-email-zheng.z.yan@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Yan, Zheng 2012-07-17 17:27:55 +08:00 committed by Ingo Molnar
parent 254298c726
commit 74e6543fdc
1 changed files with 86 additions and 6 deletions
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92
arch/x86/kernel/cpu/perf_event_intel.c
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@ -138,6 +138,84 @@ static u64 intel_pmu_event_map(int hw_event)
return intel_perfmon_event_map[hw_event];
}
#define SNB_DMND_DATA_RD (1ULL << 0)
#define SNB_DMND_RFO (1ULL << 1)
#define SNB_DMND_IFETCH (1ULL << 2)
#define SNB_DMND_WB (1ULL << 3)
#define SNB_PF_DATA_RD (1ULL << 4)
#define SNB_PF_RFO (1ULL << 5)
#define SNB_PF_IFETCH (1ULL << 6)
#define SNB_LLC_DATA_RD (1ULL << 7)
#define SNB_LLC_RFO (1ULL << 8)
#define SNB_LLC_IFETCH (1ULL << 9)
#define SNB_BUS_LOCKS (1ULL << 10)
#define SNB_STRM_ST (1ULL << 11)
#define SNB_OTHER (1ULL << 15)
#define SNB_RESP_ANY (1ULL << 16)
#define SNB_NO_SUPP (1ULL << 17)
#define SNB_LLC_HITM (1ULL << 18)
#define SNB_LLC_HITE (1ULL << 19)
#define SNB_LLC_HITS (1ULL << 20)
#define SNB_LLC_HITF (1ULL << 21)
#define SNB_LOCAL (1ULL << 22)
#define SNB_REMOTE (0xffULL << 23)
#define SNB_SNP_NONE (1ULL << 31)
#define SNB_SNP_NOT_NEEDED (1ULL << 32)
#define SNB_SNP_MISS (1ULL << 33)
#define SNB_NO_FWD (1ULL << 34)
#define SNB_SNP_FWD (1ULL << 35)
#define SNB_HITM (1ULL << 36)
#define SNB_NON_DRAM (1ULL << 37)
#define SNB_DMND_READ (SNB_DMND_DATA_RD|SNB_LLC_DATA_RD)
#define SNB_DMND_WRITE (SNB_DMND_RFO|SNB_LLC_RFO)
#define SNB_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO)
#define SNB_SNP_ANY (SNB_SNP_NONE|SNB_SNP_NOT_NEEDED| \
SNB_SNP_MISS|SNB_NO_FWD|SNB_SNP_FWD| \
SNB_HITM)
#define SNB_DRAM_ANY (SNB_LOCAL|SNB_REMOTE|SNB_SNP_ANY)
#define SNB_DRAM_REMOTE (SNB_REMOTE|SNB_SNP_ANY)
#define SNB_L3_ACCESS SNB_RESP_ANY
#define SNB_L3_MISS (SNB_DRAM_ANY|SNB_NON_DRAM)
static __initconst const u64 snb_hw_cache_extra_regs
[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
[PERF_COUNT_HW_CACHE_RESULT_MAX] =
{
[ C(LL ) ] = {
[ C(OP_READ) ] = {
[ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_L3_ACCESS,
[ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_L3_MISS,
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_L3_ACCESS,
[ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_L3_MISS,
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_L3_ACCESS,
[ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_L3_MISS,
},
},
[ C(NODE) ] = {
[ C(OP_READ) ] = {
[ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_DRAM_ANY,
[ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_DRAM_REMOTE,
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_DRAM_ANY,
[ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_DRAM_REMOTE,
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_DRAM_ANY,
[ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_DRAM_REMOTE,
},
},
};
static __initconst const u64 snb_hw_cache_event_ids
[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
@ -235,16 +313,16 @@ static __initconst const u64 snb_hw_cache_event_ids
},
[ C(NODE) ] = {
[ C(OP_READ) ] = {
[ C(RESULT_ACCESS) ] = -1,
[ C(RESULT_MISS) ] = -1,
[ C(RESULT_ACCESS) ] = 0x01b7,
[ C(RESULT_MISS) ] = 0x01b7,
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = -1,
[ C(RESULT_MISS) ] = -1,
[ C(RESULT_ACCESS) ] = 0x01b7,
[ C(RESULT_MISS) ] = 0x01b7,
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = -1,
[ C(RESULT_MISS) ] = -1,
[ C(RESULT_ACCESS) ] = 0x01b7,
[ C(RESULT_MISS) ] = 0x01b7,
},
},
@ -1964,6 +2042,8 @@ __init int intel_pmu_init(void)
case 58: /* IvyBridge */
memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
sizeof(hw_cache_event_ids));
memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
sizeof(hw_cache_extra_regs));
intel_pmu_lbr_init_snb();