* [PATCH] powerpc/perf: Add POWER9 alternate PM_RUN_CYC and PM_RUN_INST_CMPL events
@ 2017-06-18 23:51 Anton Blanchard
2017-06-27 7:48 ` Madhavan Srinivasan
2017-07-13 12:46 ` Michael Ellerman
0 siblings, 2 replies; 3+ messages in thread
From: Anton Blanchard @ 2017-06-18 23:51 UTC (permalink / raw)
To: benh, paulus, mpe, mikey, maddy; +Cc: linuxppc-dev
From: Anton Blanchard <anton@samba.org>
Similar to POWER8, POWER9 can count run cycles and run instructions
completed on more than one PMU.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
arch/powerpc/perf/power9-events-list.h | 4 ++++
arch/powerpc/perf/power9-pmu.c | 2 ++
2 files changed, 6 insertions(+)
diff --git a/arch/powerpc/perf/power9-events-list.h b/arch/powerpc/perf/power9-events-list.h
index 71a6bfee5c02..e9e417eefa59 100644
--- a/arch/powerpc/perf/power9-events-list.h
+++ b/arch/powerpc/perf/power9-events-list.h
@@ -51,8 +51,12 @@ EVENT(PM_DTLB_MISS, 0x300fc)
EVENT(PM_ITLB_MISS, 0x400fc)
/* Run_Instructions */
EVENT(PM_RUN_INST_CMPL, 0x500fa)
+/* Alternate event code for PM_RUN_INST_CMPL */
+EVENT(PM_RUN_INST_CMPL_ALT, 0x400fa)
/* Run_cycles */
EVENT(PM_RUN_CYC, 0x600f4)
+/* Alternate event code for Run_cycles */
+EVENT(PM_RUN_CYC_ALT, 0x200f4)
/* Instruction Dispatched */
EVENT(PM_INST_DISP, 0x200f2)
EVENT(PM_INST_DISP_ALT, 0x300f2)
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index 018f8e90ac35..b9168163b2b2 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c
@@ -107,6 +107,8 @@ 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 },
+ { PM_RUN_CYC_ALT, PM_RUN_CYC },
+ { PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL },
};
static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[])
--
2.11.0
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] powerpc/perf: Add POWER9 alternate PM_RUN_CYC and PM_RUN_INST_CMPL events
2017-06-18 23:51 [PATCH] powerpc/perf: Add POWER9 alternate PM_RUN_CYC and PM_RUN_INST_CMPL events Anton Blanchard
@ 2017-06-27 7:48 ` Madhavan Srinivasan
2017-07-13 12:46 ` Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Madhavan Srinivasan @ 2017-06-27 7:48 UTC (permalink / raw)
To: Anton Blanchard, benh, paulus, mpe, mikey; +Cc: linuxppc-dev
On Monday 19 June 2017 05:21 AM, Anton Blanchard wrote:
> From: Anton Blanchard <anton@samba.org>
>
> Similar to POWER8, POWER9 can count run cycles and run instructions
> completed on more than one PMU.
Acked-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
> Signed-off-by: Anton Blanchard <anton@samba.org>
> ---
> arch/powerpc/perf/power9-events-list.h | 4 ++++
> arch/powerpc/perf/power9-pmu.c | 2 ++
> 2 files changed, 6 insertions(+)
>
> diff --git a/arch/powerpc/perf/power9-events-list.h b/arch/powerpc/perf/power9-events-list.h
> index 71a6bfee5c02..e9e417eefa59 100644
> --- a/arch/powerpc/perf/power9-events-list.h
> +++ b/arch/powerpc/perf/power9-events-list.h
> @@ -51,8 +51,12 @@ EVENT(PM_DTLB_MISS, 0x300fc)
> EVENT(PM_ITLB_MISS, 0x400fc)
> /* Run_Instructions */
> EVENT(PM_RUN_INST_CMPL, 0x500fa)
> +/* Alternate event code for PM_RUN_INST_CMPL */
> +EVENT(PM_RUN_INST_CMPL_ALT, 0x400fa)
> /* Run_cycles */
> EVENT(PM_RUN_CYC, 0x600f4)
> +/* Alternate event code for Run_cycles */
> +EVENT(PM_RUN_CYC_ALT, 0x200f4)
> /* Instruction Dispatched */
> EVENT(PM_INST_DISP, 0x200f2)
> EVENT(PM_INST_DISP_ALT, 0x300f2)
> diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
> index 018f8e90ac35..b9168163b2b2 100644
> --- a/arch/powerpc/perf/power9-pmu.c
> +++ b/arch/powerpc/perf/power9-pmu.c
> @@ -107,6 +107,8 @@ 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 },
> + { PM_RUN_CYC_ALT, PM_RUN_CYC },
> + { PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL },
> };
>
> static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[])
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: powerpc/perf: Add POWER9 alternate PM_RUN_CYC and PM_RUN_INST_CMPL events
2017-06-18 23:51 [PATCH] powerpc/perf: Add POWER9 alternate PM_RUN_CYC and PM_RUN_INST_CMPL events Anton Blanchard
2017-06-27 7:48 ` Madhavan Srinivasan
@ 2017-07-13 12:46 ` Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Michael Ellerman @ 2017-07-13 12:46 UTC (permalink / raw)
To: Anton Blanchard, benh, paulus, mikey, maddy; +Cc: linuxppc-dev
On Sun, 2017-06-18 at 23:51:28 UTC, Anton Blanchard wrote:
> From: Anton Blanchard <anton@samba.org>
>
> Similar to POWER8, POWER9 can count run cycles and run instructions
> completed on more than one PMU.
>
> Signed-off-by: Anton Blanchard <anton@samba.org>
> Acked-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/3f0bd8dad0db73f5d71b355aec5ab3
cheers
^ permalink raw reply [flat|nested] 3+ messages in thread
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2017-06-18 23:51 [PATCH] powerpc/perf: Add POWER9 alternate PM_RUN_CYC and PM_RUN_INST_CMPL events Anton Blanchard
2017-06-27 7:48 ` Madhavan Srinivasan
2017-07-13 12:46 ` Michael Ellerman
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