These four commits are perf supporting for nds32. There are three perfomance counters in nds32, and each of them can counts different events. You can use 'perf list' to show the available events that can be used. Nickhu (4): nds32: Fix bug in bitfield.h nds32: Perf porting nds32: Add perf call-graph support. nds32: Add document for NDS32 PMU. .../devicetree/bindings/nds32/pmu.txt | 17 + arch/nds32/Kconfig | 1 + arch/nds32/boot/dts/ae3xx.dts | 5 + arch/nds32/include/asm/Kbuild | 1 + arch/nds32/include/asm/bitfield.h | 4 +- arch/nds32/include/asm/perf_event.h | 16 + arch/nds32/include/asm/pmu.h | 386 +++++ arch/nds32/include/asm/stacktrace.h | 39 + arch/nds32/kernel/Makefile | 3 +- arch/nds32/kernel/perf_event_cpu.c | 1522 +++++++++++++++++ arch/nds32/mm/fault.c | 13 +- tools/include/asm/barrier.h | 2 + tools/perf/arch/nds32/Build | 1 + tools/perf/arch/nds32/util/Build | 1 + tools/perf/arch/nds32/util/header.c | 29 + tools/perf/pmu-events/arch/nds32/mapfile.csv | 15 + .../pmu-events/arch/nds32/n13/atcpmu.json | 290 ++++ 17 files changed, 2337 insertions(+), 8 deletions(-) create mode 100644 Documentation/devicetree/bindings/nds32/pmu.txt create mode 100644 arch/nds32/include/asm/perf_event.h create mode 100644 arch/nds32/include/asm/pmu.h create mode 100644 arch/nds32/include/asm/stacktrace.h create mode 100644 arch/nds32/kernel/perf_event_cpu.c create mode 100644 tools/perf/arch/nds32/Build create mode 100644 tools/perf/arch/nds32/util/Build create mode 100644 tools/perf/arch/nds32/util/header.c create mode 100644 tools/perf/pmu-events/arch/nds32/mapfile.csv create mode 100644 tools/perf/pmu-events/arch/nds32/n13/atcpmu.json -- 2.17.0
