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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > -----Original Message----- > From: Qi Liu > Sent: Wednesday, May 19, 2021 4:52 AM > To: linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org > Cc: linuxarm@huawei.com; Frank Li ; Will Deacon > ; Mark Rutland > Subject: [PATCH v2 7/9] drivers/perf: Remove redundant macro and > functions in fsl_imx8_ddr_perf.c > > Remove IMX8_DDR_PMU_EVENT_ATTR and ddr_pmu_event_show(), as > there is a general function for this. > Reviewed by Frank Li > Cc: Frank Li > Cc: Will Deacon > Cc: Mark Rutland > Signed-off-by: Qi Liu > --- > drivers/perf/fsl_imx8_ddr_perf.c | 80 ++++++++++++++++------------------------ > 1 file changed, 32 insertions(+), 48 deletions(-) > > diff --git a/drivers/perf/fsl_imx8_ddr_perf.c > b/drivers/perf/fsl_imx8_ddr_perf.c > index 2bbb931..8f2c4dd 100644 > --- a/drivers/perf/fsl_imx8_ddr_perf.c > +++ b/drivers/perf/fsl_imx8_ddr_perf.c > @@ -212,55 +212,39 @@ static const struct attribute_group > ddr_perf_cpumask_attr_group = { > .attrs = ddr_perf_cpumask_attrs, > }; > > -static ssize_t > -ddr_pmu_event_show(struct device *dev, struct device_attribute *attr, > - char *page) > -{ > - struct perf_pmu_events_attr *pmu_attr; > - > - pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr); > - return sysfs_emit(page, "event=0x%02llx\n", pmu_attr->id); > -} > - > -#define IMX8_DDR_PMU_EVENT_ATTR(_name, _id) > \ > - (&((struct perf_pmu_events_attr[]) { \ > - { .attr = __ATTR(_name, 0444, ddr_pmu_event_show, > NULL),\ > - .id = _id, } \ > - })[0].attr.attr) > - > static struct attribute *ddr_perf_events_attrs[] = { > - IMX8_DDR_PMU_EVENT_ATTR(cycles, EVENT_CYCLES_ID), > - IMX8_DDR_PMU_EVENT_ATTR(selfresh, 0x01), > - IMX8_DDR_PMU_EVENT_ATTR(read-accesses, 0x04), > - IMX8_DDR_PMU_EVENT_ATTR(write-accesses, 0x05), > - IMX8_DDR_PMU_EVENT_ATTR(read-queue-depth, 0x08), > - IMX8_DDR_PMU_EVENT_ATTR(write-queue-depth, 0x09), > - IMX8_DDR_PMU_EVENT_ATTR(lp-read-credit-cnt, 0x10), > - IMX8_DDR_PMU_EVENT_ATTR(hp-read-credit-cnt, 0x11), > - IMX8_DDR_PMU_EVENT_ATTR(write-credit-cnt, 0x12), > - IMX8_DDR_PMU_EVENT_ATTR(read-command, 0x20), > - IMX8_DDR_PMU_EVENT_ATTR(write-command, 0x21), > - IMX8_DDR_PMU_EVENT_ATTR(read-modify-write-command, 0x22), > - IMX8_DDR_PMU_EVENT_ATTR(hp-read, 0x23), > - IMX8_DDR_PMU_EVENT_ATTR(hp-req-nocredit, 0x24), > - IMX8_DDR_PMU_EVENT_ATTR(hp-xact-credit, 0x25), > - IMX8_DDR_PMU_EVENT_ATTR(lp-req-nocredit, 0x26), > - IMX8_DDR_PMU_EVENT_ATTR(lp-xact-credit, 0x27), > - IMX8_DDR_PMU_EVENT_ATTR(wr-xact-credit, 0x29), > - IMX8_DDR_PMU_EVENT_ATTR(read-cycles, 0x2a), > - IMX8_DDR_PMU_EVENT_ATTR(write-cycles, 0x2b), > - IMX8_DDR_PMU_EVENT_ATTR(read-write-transition, 0x30), > - IMX8_DDR_PMU_EVENT_ATTR(precharge, 0x31), > - IMX8_DDR_PMU_EVENT_ATTR(activate, 0x32), > - IMX8_DDR_PMU_EVENT_ATTR(load-mode, 0x33), > - IMX8_DDR_PMU_EVENT_ATTR(perf-mwr, 0x34), > - IMX8_DDR_PMU_EVENT_ATTR(read, 0x35), > - IMX8_DDR_PMU_EVENT_ATTR(read-activate, 0x36), > - IMX8_DDR_PMU_EVENT_ATTR(refresh, 0x37), > - IMX8_DDR_PMU_EVENT_ATTR(write, 0x38), > - IMX8_DDR_PMU_EVENT_ATTR(raw-hazard, 0x39), > - IMX8_DDR_PMU_EVENT_ATTR(axid-read, 0x41), > - IMX8_DDR_PMU_EVENT_ATTR(axid-write, 0x42), > + PMU_EVENT_ATTR_ID(cycles, EVENT_CYCLES_ID), > + PMU_EVENT_ATTR_ID(selfresh, 0x01), > + PMU_EVENT_ATTR_ID(read-accesses, 0x04), > + PMU_EVENT_ATTR_ID(write-accesses, 0x05), > + PMU_EVENT_ATTR_ID(read-queue-depth, 0x08), > + PMU_EVENT_ATTR_ID(write-queue-depth, 0x09), > + PMU_EVENT_ATTR_ID(lp-read-credit-cnt, 0x10), > + PMU_EVENT_ATTR_ID(hp-read-credit-cnt, 0x11), > + PMU_EVENT_ATTR_ID(write-credit-cnt, 0x12), > + PMU_EVENT_ATTR_ID(read-command, 0x20), > + PMU_EVENT_ATTR_ID(write-command, 0x21), > + PMU_EVENT_ATTR_ID(read-modify-write-command, 0x22), > + PMU_EVENT_ATTR_ID(hp-read, 0x23), > + PMU_EVENT_ATTR_ID(hp-req-nocredit, 0x24), > + PMU_EVENT_ATTR_ID(hp-xact-credit, 0x25), > + PMU_EVENT_ATTR_ID(lp-req-nocredit, 0x26), > + PMU_EVENT_ATTR_ID(lp-xact-credit, 0x27), > + PMU_EVENT_ATTR_ID(wr-xact-credit, 0x29), > + PMU_EVENT_ATTR_ID(read-cycles, 0x2a), > + PMU_EVENT_ATTR_ID(write-cycles, 0x2b), > + PMU_EVENT_ATTR_ID(read-write-transition, 0x30), > + PMU_EVENT_ATTR_ID(precharge, 0x31), > + PMU_EVENT_ATTR_ID(activate, 0x32), > + PMU_EVENT_ATTR_ID(load-mode, 0x33), > + PMU_EVENT_ATTR_ID(perf-mwr, 0x34), > + PMU_EVENT_ATTR_ID(read, 0x35), > + PMU_EVENT_ATTR_ID(read-activate, 0x36), > + PMU_EVENT_ATTR_ID(refresh, 0x37), > + PMU_EVENT_ATTR_ID(write, 0x38), > + PMU_EVENT_ATTR_ID(raw-hazard, 0x39), > + PMU_EVENT_ATTR_ID(axid-read, 0x41), > + PMU_EVENT_ATTR_ID(axid-write, 0x42), > NULL, > }; > > -- > 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel