Messages in this thread | | | From | Max Filippov <> | Subject | [PATCH 0/8] Support hardware perf counters on xtensa | Date | Mon, 6 Jul 2015 16:32:41 +0300 |
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Hello,
this series adds support for hardware performance counters in counting and sampling modes as well as for page fault counting. It reorganizes stack stracing code to share it between old oprofile and new perf interfaces, and improves kernel stack traces both for builtin debug functions and for gdb.
Max Filippov (8): xtensa: clean up Kconfig dependencies for custom cores xtensa: keep exception/interrupt stack continuous xtensa: move oprofile stack tracing to stacktrace.c xtensa: select PERF_USE_VMALLOC for cache-aliasing configurations xtensa: add profiling IRQ type to xtensa_irq_map xtensa: count software page fault perf events xtensa: implement counting and sampling perf events perf tools: xtensa: add DWARF register names
arch/xtensa/Kconfig | 22 +- arch/xtensa/include/asm/stacktrace.h | 8 + arch/xtensa/kernel/Makefile | 1 + arch/xtensa/kernel/entry.S | 60 +++-- arch/xtensa/kernel/irq.c | 6 + arch/xtensa/kernel/perf_event.c | 450 +++++++++++++++++++++++++++++++ arch/xtensa/kernel/stacktrace.c | 167 +++++++++++- arch/xtensa/mm/fault.c | 7 + arch/xtensa/oprofile/backtrace.c | 158 +---------- tools/perf/arch/xtensa/Build | 1 + tools/perf/arch/xtensa/Makefile | 3 + tools/perf/arch/xtensa/util/Build | 1 + tools/perf/arch/xtensa/util/dwarf-regs.c | 25 ++ 13 files changed, 725 insertions(+), 184 deletions(-) create mode 100644 arch/xtensa/kernel/perf_event.c create mode 100644 tools/perf/arch/xtensa/Build create mode 100644 tools/perf/arch/xtensa/Makefile create mode 100644 tools/perf/arch/xtensa/util/Build create mode 100644 tools/perf/arch/xtensa/util/dwarf-regs.c
-- 1.8.1.4
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