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From: Laurent Dufour <ldufour@linux.vnet.ibm.com>
To: paulmck@linux.vnet.ibm.com, peterz@infradead.org,
	akpm@linux-foundation.org, kirill@shutemov.name,
	ak@linux.intel.com, mhocko@kernel.org, dave@stgolabs.net,
	jack@suse.cz, Matthew Wilcox <willy@infradead.org>,
	benh@kernel.crashing.org, mpe@ellerman.id.au, paulus@samba.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	hpa@zytor.com, Will Deacon <will.deacon@arm.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	haren@linux.vnet.ibm.com, khandual@linux.vnet.ibm.com,
	npiggin@gmail.com, bsingharora@gmail.com,
	Tim Chen <tim.c.chen@linux.intel.com>,
	linuxppc-dev@lists.ozlabs.org, x86@kernel.org
Subject: [PATCH v2 18/20] perf tools: Add support for the SPF perf event
Date: Fri, 18 Aug 2017 00:05:17 +0200	[thread overview]
Message-ID: <1503007519-26777-19-git-send-email-ldufour@linux.vnet.ibm.com> (raw)
In-Reply-To: <1503007519-26777-1-git-send-email-ldufour@linux.vnet.ibm.com>

Add support for the new speculative faults event.

Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
---
 tools/include/uapi/linux/perf_event.h | 1 +
 tools/perf/util/evsel.c               | 1 +
 tools/perf/util/parse-events.c        | 4 ++++
 tools/perf/util/parse-events.l        | 1 +
 tools/perf/util/python.c              | 1 +
 5 files changed, 8 insertions(+)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index b1c0b187acfe..3043ec0988e9 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -111,6 +111,7 @@ enum perf_sw_ids {
 	PERF_COUNT_SW_EMULATION_FAULTS		= 8,
 	PERF_COUNT_SW_DUMMY			= 9,
 	PERF_COUNT_SW_BPF_OUTPUT		= 10,
+	PERF_COUNT_SW_SPF_DONE			= 11,
 
 	PERF_COUNT_SW_MAX,			/* non-ABI */
 };
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 413f74df08de..660a7038198b 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -426,6 +426,7 @@ const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
 	"alignment-faults",
 	"emulation-faults",
 	"dummy",
+	"speculative-faults",
 };
 
 static const char *__perf_evsel__sw_name(u64 config)
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 01e779b91c8e..ef8ef30d39c3 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -135,6 +135,10 @@ struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
 		.symbol = "bpf-output",
 		.alias  = "",
 	},
+	[PERF_COUNT_SW_SPF_DONE] = {
+		.symbol = "speculative-faults",
+		.alias	= "spf",
+	},
 };
 
 #define __PERF_EVENT_FIELD(config, name) \
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 660fca05bc93..5cb78f004737 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -274,6 +274,7 @@ alignment-faults				{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_AL
 emulation-faults				{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); }
 dummy						{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); }
 bpf-output					{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_BPF_OUTPUT); }
+speculative-faults|spf				{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_SPF_DONE); }
 
 	/*
 	 * We have to handle the kernel PMU event cycles-ct/cycles-t/mem-loads/mem-stores separately.
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index c129e99114ae..1ee06e47d9dc 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1141,6 +1141,7 @@ static struct {
 	PERF_CONST(COUNT_SW_ALIGNMENT_FAULTS),
 	PERF_CONST(COUNT_SW_EMULATION_FAULTS),
 	PERF_CONST(COUNT_SW_DUMMY),
+	PERF_CONST(COUNT_SW_SPF_DONE),
 
 	PERF_CONST(SAMPLE_IP),
 	PERF_CONST(SAMPLE_TID),
-- 
2.7.4

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  parent reply	other threads:[~2017-08-17 22:06 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-17 22:04 [PATCH v2 00/20] Speculative page faults Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 01/20] mm: Dont assume page-table invariance during faults Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 02/20] mm: Prepare for FAULT_FLAG_SPECULATIVE Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 03/20] mm: Introduce pte_spinlock " Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 04/20] mm: VMA sequence count Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 05/20] mm: Protect VMA modifications using " Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 06/20] mm: RCU free VMAs Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 07/20] mm: Cache some VMA fields in the vm_fault structure Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 08/20] mm: Protect SPF handler against anon_vma changes Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 09/20] mm/migrate: Pass vm_fault pointer to migrate_misplaced_page() Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 10/20] mm: Introduce __lru_cache_add_active_or_unevictable Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 11/20] mm: Introduce __maybe_mkwrite() Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 12/20] mm: Introduce __vm_normal_page() Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 13/20] mm: Introduce __page_add_new_anon_rmap() Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 14/20] mm: Provide speculative fault infrastructure Laurent Dufour
2017-08-20 12:11   ` Sergey Senozhatsky
2017-08-25  8:52     ` Laurent Dufour
2017-08-27  0:18   ` Kirill A. Shutemov
2017-08-28  9:37     ` Peter Zijlstra
2017-08-28 21:14       ` Benjamin Herrenschmidt
2017-08-28 22:35         ` Andi Kleen
2017-08-29  8:15           ` Peter Zijlstra
2017-08-29  8:33         ` Peter Zijlstra
2017-08-29 11:27           ` Peter Zijlstra
2017-08-29 21:19             ` Benjamin Herrenschmidt
2017-08-30  6:13               ` Peter Zijlstra
2017-08-29  7:59     ` Laurent Dufour
2017-08-29 12:04       ` Peter Zijlstra
2017-08-29 13:18         ` Laurent Dufour
2017-08-29 13:45           ` Peter Zijlstra
2017-08-30  5:03             ` Anshuman Khandual
2017-08-30  5:58               ` Peter Zijlstra
2017-08-30  9:32                 ` Laurent Dufour
2017-08-31  6:55                   ` Anshuman Khandual
2017-08-31  7:31                     ` Peter Zijlstra
2017-08-30  9:53               ` Laurent Dufour
2017-08-30  3:48         ` Anshuman Khandual
2017-08-30  5:25     ` Anshuman Khandual
2017-08-30  8:56     ` Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 15/20] mm: Try spin lock in speculative path Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 16/20] mm: Adding speculative page fault failure trace events Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 17/20] perf: Add a speculative page fault sw event Laurent Dufour
2017-08-21  8:55   ` Anshuman Khandual
2017-08-22  1:46     ` Michael Ellerman
2017-08-17 22:05 ` Laurent Dufour [this message]
2017-08-21  8:48   ` [PATCH v2 18/20] perf tools: Add support for the SPF perf event Anshuman Khandual
2017-08-25  8:53     ` Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 19/20] x86/mm: Add speculative pagefault handling Laurent Dufour
2017-08-21  7:29   ` Anshuman Khandual
2017-08-29 14:50     ` Laurent Dufour
2017-08-29 14:58       ` Laurent Dufour
2017-08-17 22:05 ` [PATCH v2 20/20] powerpc/mm: Add speculative page fault Laurent Dufour
2017-08-21  6:58   ` Anshuman Khandual
2017-08-29 15:13     ` Laurent Dufour
2017-08-21  2:26 ` [PATCH v2 00/20] Speculative page faults Sergey Senozhatsky
2017-09-08  9:24   ` Laurent Dufour
2017-09-11  0:45     ` Sergey Senozhatsky
2017-09-11  6:28       ` Laurent Dufour
2017-08-21  6:28 ` Anshuman Khandual
2017-08-22  0:41   ` Paul E. McKenney
2017-08-25  9:41   ` Laurent Dufour

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