From: Anshuman Khandual <khandual@linux.vnet.ibm.com>
To: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org
Cc: michael@ellerman.id.au, mikey@neuling.org
Subject: [PATCH V2 3/5] powerpc, perf: Add new BHRB related generic functions, data and flags
Date: Tue, 16 Apr 2013 21:24:08 +0530 [thread overview]
Message-ID: <1366127650-1952-4-git-send-email-khandual@linux.vnet.ibm.com> (raw)
In-Reply-To: <1366127650-1952-1-git-send-email-khandual@linux.vnet.ibm.com>
This patch adds some new BHRB related generic functions, data and flags
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
---
arch/powerpc/include/asm/perf_event_server.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h
index 57b42da..3f0c15c 100644
--- a/arch/powerpc/include/asm/perf_event_server.h
+++ b/arch/powerpc/include/asm/perf_event_server.h
@@ -33,6 +33,8 @@ struct power_pmu {
unsigned long *valp);
int (*get_alternatives)(u64 event_id, unsigned int flags,
u64 alt[]);
+ u64 (*bhrb_filter_map)(u64 branch_sample_type);
+ void (*config_bhrb)(u64 pmu_bhrb_filter);
void (*disable_pmc)(unsigned int pmc, unsigned long mmcr[]);
int (*limited_pmc_event)(u64 event_id);
u32 flags;
@@ -42,6 +44,9 @@ struct power_pmu {
int (*cache_events)[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
[PERF_COUNT_HW_CACHE_RESULT_MAX];
+
+ /* BHRB entries in the PMU */
+ int bhrb_nr;
};
/*
@@ -54,6 +59,7 @@ struct power_pmu {
#define PPMU_SIAR_VALID 0x00000010 /* Processor has SIAR Valid bit */
#define PPMU_HAS_SSLOT 0x00000020 /* Has sampled slot in MMCRA */
#define PPMU_HAS_SIER 0x00000040 /* Has SIER */
+#define PPMU_BHRB 0x00000080 /* has BHRB feature enabled */
/*
* Values for flags to get_alternatives()
--
1.7.11.7
next prev parent reply other threads:[~2013-04-16 15:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-16 15:54 [PATCH V2 0/5] powerpc, perf: BHRB based branch stack enablement on POWER8 Anshuman Khandual
2013-04-16 15:54 ` [PATCH V2 1/5] powerpc, perf: Add new BHRB related instructions " Anshuman Khandual
2013-04-16 15:54 ` [PATCH V2 2/5] powerpc, perf: Add basic assembly code to read BHRB entries " Anshuman Khandual
2013-04-16 17:23 ` Segher Boessenkool
2013-04-17 4:00 ` Anshuman Khandual
2013-04-16 15:54 ` Anshuman Khandual [this message]
2013-04-16 15:54 ` [PATCH V2 4/5] powerpc, perf: Define BHRB generic functions, data and flags for POWER8 Anshuman Khandual
2013-04-16 15:54 ` [PATCH V2 5/5] powerpc, perf: Enable branch stack sampling framework support with BHRB Anshuman Khandual
2013-04-17 7:08 ` Michael Ellerman
2013-04-17 12:07 ` Anshuman Khandual
2013-04-18 2:58 ` Anshuman Khandual
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