Re: [PATCH] perf vendor events arm64: Enable JSON events for ThunderX2 B0

From: John Garry
Date: Wed Mar 07 2018 - 10:26:06 EST


On 07/03/2018 14:38, Arnaldo Carvalho de Melo wrote:
Em Wed, Mar 07, 2018 at 09:32:05AM -0500, William Cohen escreveu:
On 03/07/2018 06:08 AM, Ganapatrao Kulkarni wrote:
There is MIDR change on ThunderX2 B0, adding an entry to mapfile
to enable JSON events for B0.

Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@xxxxxxxxxx>

Ganapatrao, can you please take this in consideration and if agreeing
send a v2 patch?

With that I can add an Acked-by: wcohen, Right?


JFYI, This patch conflicts with "[PATCH v2 00/11] perf events patches for improved ARM64 support". I was planning on sending a v3 quite soon.

- Arnaldo
---
tools/perf/pmu-events/arch/arm64/mapfile.csv | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/perf/pmu-events/arch/arm64/mapfile.csv b/tools/perf/pmu-events/arch/arm64/mapfile.csv
index e61c9ca..93c5d14 100644
--- a/tools/perf/pmu-events/arch/arm64/mapfile.csv
+++ b/tools/perf/pmu-events/arch/arm64/mapfile.csv
@@ -13,4 +13,5 @@
#
#Family-model,Version,Filename,EventType
0x00000000420f5160,v1,cavium,core
+0x00000000430f0af0,v1,cavium,core
0x00000000410fd03[[:xdigit:]],v1,cortex-a53,core


Hi,
Like the cortex-a53 the last digit '0' of the match for the MIDR should be replaced with [[:xdigit:]] to allow for possible future revisions of chip:

0x00000000430f0af[[:xdigit:]],v1,cavium,core


-Will Cohen

.

Thanks,
John