From: John Garry john.garry@huawei.com
mainline inclusion from mainline-v5.3-rc1 commit 57cc732479bac2a3cbd759fb07188657c871d5c1 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4MKP4 CVE: NA
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Add support for Hisi hip08 DDRC PMU aliasing. We can now do something like this:
$perf list
[snip]
uncore ddrc: uncore_hisi_ddrc.act_cmd [DDRC active commands. Unit: hisi_sccl,ddrc] uncore_hisi_ddrc.flux_rcmd [DDRC read commands. Unit: hisi_sccl,ddrc] uncore_hisi_ddrc.flux_wcmd [DDRC write commands. Unit: hisi_sccl,ddrc] uncore_hisi_ddrc.flux_wr [DDRC precharge commands. Unit: hisi_sccl,ddrc] uncore_hisi_ddrc.rnk_chg [DDRC rank commands. Unit: hisi_sccl,ddrc] uncore_hisi_ddrc.rw_chg [DDRC read and write changes. Unit: hisi_sccl,ddrc]
Performance counter stats for 'system wide':
0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl1_ddrc0] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl3_ddrc1] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl5_ddrc2] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl7_ddrc3] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl5_ddrc0] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl7_ddrc1] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl1_ddrc3] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl1_ddrc1] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl3_ddrc2] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl5_ddrc3] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl3_ddrc0] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl5_ddrc1] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl7_ddrc2] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl7_ddrc0] 20,421 uncore_hisi_ddrc.flux_rcmd [hisi_sccl1_ddrc2] 0 uncore_hisi_ddrc.flux_rcmd [hisi_sccl3_ddrc3]
1.001559011 seconds time elapsed
The kernel driver is in drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
Signed-off-by: John Garry john.garry@huawei.com Acked-by: Jiri Olsa jolsa@kernel.org Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Andi Kleen ak@linux.intel.com Cc: Ben Hutchings ben@decadent.org.uk Cc: Hendrik Brueckner brueckner@linux.ibm.com Cc: Kan Liang kan.liang@linux.intel.com Cc: Mark Rutland mark.rutland@arm.com Cc: Mathieu Poirier mathieu.poirier@linaro.org Cc: Namhyung Kim namhyung@kernel.org Cc: Peter Zijlstra peterz@infradead.org Cc: Shaokun Zhang zhangshaokun@hisilicon.com Cc: Thomas Richter tmricht@linux.ibm.com Cc: Will Deacon will.deacon@arm.com Cc: linux-arm-kernel@lists.infradead.org Cc: linuxarm@huawei.com Link: http://lkml.kernel.org/r/1561732552-143038-3-git-send-email-john.garry@huawe... Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Jackie Liu liuyun01@kylinos.cn Signed-off-by: Laibin Qiu qiulaibin@huawei.com --- .../arm64/hisilicon/hip08/uncore-ddrc.json | 44 +++++++++++++++++++ tools/perf/pmu-events/jevents.c | 1 + 2 files changed, 45 insertions(+) create mode 100644 tools/perf/pmu-events/arch/arm64/hisilicon/hip08/uncore-ddrc.json
diff --git a/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/uncore-ddrc.json b/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/uncore-ddrc.json new file mode 100644 index 000000000000..0d1556fcdffe --- /dev/null +++ b/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/uncore-ddrc.json @@ -0,0 +1,44 @@ +[ + { + "EventCode": "0x02", + "EventName": "uncore_hisi_ddrc.flux_wcmd", + "BriefDescription": "DDRC write commands", + "PublicDescription": "DDRC write commands", + "Unit": "hisi_sccl,ddrc", + }, + { + "EventCode": "0x03", + "EventName": "uncore_hisi_ddrc.flux_rcmd", + "BriefDescription": "DDRC read commands", + "PublicDescription": "DDRC read commands", + "Unit": "hisi_sccl,ddrc", + }, + { + "EventCode": "0x04", + "EventName": "uncore_hisi_ddrc.flux_wr", + "BriefDescription": "DDRC precharge commands", + "PublicDescription": "DDRC precharge commands", + "Unit": "hisi_sccl,ddrc", + }, + { + "EventCode": "0x05", + "EventName": "uncore_hisi_ddrc.act_cmd", + "BriefDescription": "DDRC active commands", + "PublicDescription": "DDRC active commands", + "Unit": "hisi_sccl,ddrc", + }, + { + "EventCode": "0x06", + "EventName": "uncore_hisi_ddrc.rnk_chg", + "BriefDescription": "DDRC rank commands", + "PublicDescription": "DDRC rank commands", + "Unit": "hisi_sccl,ddrc", + }, + { + "EventCode": "0x07", + "EventName": "uncore_hisi_ddrc.rw_chg", + "BriefDescription": "DDRC read and write changes", + "PublicDescription": "DDRC read and write changes", + "Unit": "hisi_sccl,ddrc", + }, +] diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index 581a31412f00..8d9e42823975 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -236,6 +236,7 @@ static struct map { { "CPU-M-CF", "cpum_cf" }, { "CPU-M-SF", "cpum_sf" }, { "UPI LL", "uncore_upi" }, + { "hisi_sccl,ddrc", "hisi_sccl,ddrc" }, {} };