Quelle  sample.c   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#include "sample.h"
#include "debug.h"
#include <linux/zalloc.h>
#include <stdlib.h>
#include <string.h>

void perf_sample__init(struct perf_sample *sample, bool all)
{
 if (all) {
  memset(sample, 0, sizeof(*sample));
 } else {
  sample->user_regs = NULL;
  sample->intr_regs = NULL;
 }
}

void perf_sample__exit(struct perf_sample *sample)
{
 free(sample->user_regs);
 free(sample->intr_regs);
}

struct regs_dump *perf_sample__user_regs(struct perf_sample *sample)
{
 if (!sample->user_regs) {
  sample->user_regs = zalloc(sizeof(*sample->user_regs));
  if (!sample->user_regs)
   pr_err("Failure to allocate sample user_regs");
 }
 return sample->user_regs;
}


struct regs_dump *perf_sample__intr_regs(struct perf_sample *sample)
{
 if (!sample->intr_regs) {
  sample->intr_regs = zalloc(sizeof(*sample->intr_regs));
  if (!sample->intr_regs)
   pr_err("Failure to allocate sample intr_regs");
 }
 return sample->intr_regs;
}