From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
To: mpe@ellerman.id.au
Cc: linuxppc-dev@lists.ozlabs.org,
Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Subject: [PATCH 3/5] powerpc/perf: Add alternative event table and function for power9
Date: Mon, 30 Jan 2017 17:53:39 +0530 [thread overview]
Message-ID: <1485779021-31936-3-git-send-email-maddy@linux.vnet.ibm.com> (raw)
In-Reply-To: <1485779021-31936-1-git-send-email-maddy@linux.vnet.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
---
arch/powerpc/perf/power9-pmu.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index 7332634e18c9..b38acff8a791 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c
@@ -106,6 +106,21 @@ enum {
/* PowerISA v2.07 format attribute structure*/
extern struct attribute_group isa207_pmu_format_group;
+/* Table of alternatives, sorted by column 0 */
+static const unsigned int power9_event_alternatives[][MAX_ALT] = {
+ { PM_INST_DISP, PM_INST_DISP_ALT },
+};
+
+static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[])
+{
+ int num_alt = 0;
+
+ num_alt = isa207_get_alternatives(event, alt, power9_event_alternatives,
+ (int)ARRAY_SIZE(power9_event_alternatives));
+
+ return num_alt;
+}
+
GENERIC_EVENT_ATTR(cpu-cycles, PM_CYC);
GENERIC_EVENT_ATTR(stalled-cycles-frontend, PM_ICT_NOSLOT_CYC);
GENERIC_EVENT_ATTR(stalled-cycles-backend, PM_CMPLU_STALL);
@@ -383,6 +398,7 @@ static struct power_pmu power9_isa207_pmu = {
.config_bhrb = power9_config_bhrb,
.bhrb_filter_map = power9_bhrb_filter_map,
.get_constraint = isa207_get_constraint,
+ .get_alternatives = power9_get_alternatives,
.disable_pmc = isa207_disable_pmc,
.flags = PPMU_NO_SIAR | PPMU_ARCH_207S,
.n_generic = ARRAY_SIZE(power9_generic_events),
@@ -401,6 +417,7 @@ static struct power_pmu power9_pmu = {
.config_bhrb = power9_config_bhrb,
.bhrb_filter_map = power9_bhrb_filter_map,
.get_constraint = isa207_get_constraint,
+ .get_alternatives = power9_get_alternatives,
.disable_pmc = isa207_disable_pmc,
.flags = PPMU_HAS_SIER | PPMU_ARCH_207S,
.n_generic = ARRAY_SIZE(power9_generic_events),
--
2.7.4
next prev parent reply other threads:[~2017-01-30 12:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-30 12:23 [PATCH 1/5] powerpc/perf: Factor of event_alternative function Madhavan Srinivasan
2017-01-30 12:23 ` [PATCH 2/5] powerpc/perf: Add PM_INST_DISP event to Power9 event list Madhavan Srinivasan
2017-02-01 11:00 ` Anton Blanchard
2017-02-01 15:18 ` Madhavan Srinivasan
2017-01-30 12:23 ` Madhavan Srinivasan [this message]
2017-01-30 12:23 ` [PATCH 4/5] powerpc/perf: Use PM_INST_DISP for generic instructions sample Madhavan Srinivasan
2017-01-30 12:23 ` [PATCH 5/5] powerpc/perf: Add restrictions to PMC5 in power9 DD1 Madhavan Srinivasan
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