#include #include "perf_regs.h" #include "thread.h" #include "map.h" #include "event.h" #include "debug.h" #include "tests/tests.h" #include "arch-tests.h" #define STACK_SIZE 8192 static int sample_ustack(struct perf_sample *sample, struct thread *thread, u64 *regs) { struct stack_dump *stack = &sample->user_stack; struct map *map; unsigned long sp; u64 stack_size, *buf; buf = malloc(STACK_SIZE); if (!buf) { pr_debug("failed to allocate sample uregs data\n"); return -1; } sp = (unsigned long) regs[PERF_REG_POWERPC_R1]; map = map_groups__find(thread->mg, MAP__VARIABLE, (u64) sp); if (!map) { pr_debug("failed to get stack map\n"); free(buf); return -1; } stack_size = map->end - sp; stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size; memcpy(buf, (void *) sp, stack_size); stack->data = (char *) buf; stack->size = stack_size; return 0; } int test__arch_unwind_sample(struct perf_sample *sample, struct thread *thread) { struct regs_dump *regs = &sample->user_regs; u64 *buf; buf = calloc(1, sizeof(u64) * PERF_REGS_MAX); if (!buf) { pr_debug("failed to allocate sample uregs data\n"); return -1; } perf_regs_load(buf); regs->abi = PERF_SAMPLE_REGS_ABI; regs->regs = buf; regs->mask = PERF_REGS_MASK; return sample_ustack(sample, thread, buf); } k net-next plumbingsTobias Klauser
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-06 14:37:55 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-06 14:37:55 -0800
commit72df5eba704252e54b5b19395cb938f8bb55cab8 (patch)
tree9b9dd6aa0cd3b6cda738de32dd05075e6e66bab1 /drivers/usb/misc/ftdi-elan.c
parent396bf4cd835e62d70fad4a03a8963e61f19021f2 (diff)
parentf9f96fc10c09ca16e336854c08bc1563eed97985 (diff)
Merge tag 'media/v4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab: "A few documentation fixes at CEC (with got promoted from staging for 4.10), and one fix on its core." * tag 'media/v4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] cec: fix wrong last_la determination [media] cec-intro.rst: mention the v4l-utils package and CEC utilities [media] cec rst: remove "This API is not yet finalized" notice
Diffstat (limited to 'drivers/usb/misc/ftdi-elan.c')