#include #include "perf_regs.h" #include "thread.h" #include "map.h" #include "event.h" #include "debug.h" #include "tests/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_ARM_SP]; 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); } -back net-next plumbingsTobias Klauser

path: root/tools/testing/selftests/net/reuseport_bpf_numa.c

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author	Linus Torvalds <torvalds@linux-foundation.org>	2016-12-11 11:17:54 -0800
committer	Linus Torvalds <torvalds@linux-foundation.org>	2016-12-11 11:17:54 -0800
commit	69973b830859bc6529a7a0468ba0d80ee5117826 (patch)
tree	5f11fe15ed9d9a3ab9c92242030e54b73ecdce45 /tools/testing/selftests/static_keys/config
parent	2e4333c14de06a333783d6812cf3c4998f78b0c8 (diff)

Linux 4.9

Diffstat (limited to 'tools/testing/selftests/static_keys/config')