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/Linux-v6.6/Documentation/devicetree/bindings/perf/
Darm,ccn.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/perf/arm,ccn.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ARM CCN (Cache Coherent Network) Performance Monitors
10 - Robin Murphy <robin.murphy@arm.com>
15 - arm,ccn-502
16 - arm,ccn-504
17 - arm,ccn-508
18 - arm,ccn-512
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/Linux-v6.6/Documentation/admin-guide/perf/
Darm-ccn.rst5 CCN-504 is a ring-bus interconnect consisting of 11 crosspoints
11 -----------------
13 The CCN driver registers a perf PMU driver, which provides
15 in sysfs, see /sys/bus/event_source/devices/ccn*.
29 Crosspoint watchpoint-based events (special "event" value 0xfe)
44 the CCN PMU events. It is recommended that the user space tools
45 request the events on this processor (if not, the perf_event->cpu value
51 / # perf list | grep ccn
52 ccn/cycles/ [Kernel PMU event]
54 ccn/xp_valid_flit,xp=?,port=?,vc=?,dir=?/ [Kernel PMU event]
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/Linux-v6.6/arch/arm64/boot/dts/amd/
Damd-seattle-soc.dtsi1 // SPDX-License-Identifier: GPL-2.0
10 interrupt-parent = <&gic0>;
11 #address-cells = <2>;
12 #size-cells = <2>;
14 gic0: interrupt-controller@e1101000 {
15 compatible = "arm,gic-400", "arm,cortex-a15-gic";
16 interrupt-controller;
17 #interrupt-cells = <3>;
18 #address-cells = <2>;
19 #size-cells = <2>;
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/Linux-v6.6/drivers/perf/
Darm-ccn.c1 // SPDX-License-Identifier: GPL-2.0-only
112 #define CCN_TYPE_RND_1P 0x18 /* RN-D = RN-I + DVM */
224 return sysfs_emit(buf, "%s\n", (char *)ea->var); in arm_ccn_pmu_format_show()
232 static CCN_FORMAT_ATTR(node, "config:0-7");
233 static CCN_FORMAT_ATTR(xp, "config:0-7");
234 static CCN_FORMAT_ATTR(type, "config:8-15");
235 static CCN_FORMAT_ATTR(event, "config:16-23");
236 static CCN_FORMAT_ATTR(port, "config:24-25");
237 static CCN_FORMAT_ATTR(bus, "config:24-25");
238 static CCN_FORMAT_ATTR(vc, "config:26-28");
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/Linux-v6.6/arch/arm64/boot/dts/freescale/
Dfsl-ls208xa.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree Include file for Freescale Layerscape-2080A family SoC.
6 * Copyright 2017-2020 NXP
12 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
13 #include <dt-bindings/thermal/thermal.h>
14 #include <dt-bindings/interrupt-controller/arm-gic.h>
18 interrupt-parent = <&gic>;
19 #address-cells = <2>;
20 #size-cells = <2>;
32 #address-cells = <1>;
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