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alistair23-linux/arch/riscv/kernel
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Mao Han 98a93b0b56 riscv: Add support for perf registers sampling 
This patch implements the perf registers sampling and validation API
for the riscv arch. The valid registers and their register ID are
defined in perf_regs.h. Perf tool can backtrace in userspace with
unwind library and the registers/user stack dump support.

Signed-off-by: Mao Han <han_mao@c-sky.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: linux-riscv <linux-riscv@lists.infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Guo Ren <guoren@kernel.org>
Tested-by: Greentime Hu <greentime.hu@sifive.com>
[paul.walmsley@sifive.com: minor patch description fix]
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
2019-09-05 00:48:58 -07:00
..
vdso riscv: Fix perf record without libelf support 2019-07-31 12:26:10 -07:00
.gitignore
asm-offsets.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
cacheinfo.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
cpu.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
cpufeature.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234 2019-06-19 17:09:07 +02:00
entry.S riscv: Using CSR numbers to access CSRs 2019-08-30 11:04:19 -07:00
fpu.S riscv: Using CSR numbers to access CSRs 2019-08-30 11:04:19 -07:00
ftrace.c riscv: add missing newlines to printk messages 2019-02-11 15:34:56 -08:00
head.S riscv: Using CSR numbers to access CSRs 2019-08-30 11:04:19 -07:00
irq.c RISC-V: Add interrupt related SCAUSE defines in asm/csr.h 2019-05-16 20:42:11 -07:00
Makefile riscv: Add support for perf registers sampling 2019-09-05 00:48:58 -07:00
mcount-dyn.S
mcount.S RISC-V: remove the unused return_to_handler export 2018-10-22 17:38:12 -07:00
module-sections.c RISC-V: Support MODULE_SECTIONS mechanism on RV32 2019-01-07 08:19:20 -08:00
module.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
module.lds
perf_callchain.c riscv: Add perf callchain support 2019-09-04 12:43:00 -07:00
perf_event.c RISC-V: Access CSRs using CSR numbers 2019-05-16 20:42:11 -07:00
perf_regs.c riscv: Add support for perf registers sampling 2019-09-05 00:48:58 -07:00
process.c riscv: Correct the initialized flow of FP register 2019-08-14 13:11:11 -07:00
ptrace.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
reset.c RISC-V patches for v5.2-rc6 2019-06-17 10:34:03 -07:00
riscv_ksyms.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
setup.c RISC-V: Setup initial page tables in two stages 2019-07-09 09:08:04 -07:00
signal.c Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2019-07-08 21:48:15 -07:00
smp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234 2019-06-19 17:09:07 +02:00
smpboot.c RISC-V: Parse cpu topology during boot. 2019-07-22 09:36:30 -07:00
stacktrace.c riscv: Add perf callchain support 2019-09-04 12:43:00 -07:00
sys_riscv.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
syscall_table.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
time.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
traps.c Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2019-07-08 21:48:15 -07:00
vdso.c riscv: Remove gate area stubs 2019-07-01 13:13:36 -07:00
vmlinux.lds.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00