Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#include "sample.h"
3#include "debug.h"
4#include <linux/zalloc.h>
5#include <stdlib.h>
6#include <string.h>
7
8void perf_sample__init(struct perf_sample *sample, bool all)
9{
10 if (all) {
11 memset(sample, 0, sizeof(*sample));
12 } else {
13 sample->user_regs = NULL;
14 sample->intr_regs = NULL;
15 }
16}
17
18void perf_sample__exit(struct perf_sample *sample)
19{
20 free(sample->user_regs);
21 free(sample->intr_regs);
22}
23
24struct regs_dump *perf_sample__user_regs(struct perf_sample *sample)
25{
26 if (!sample->user_regs) {
27 sample->user_regs = zalloc(sizeof(*sample->user_regs));
28 if (!sample->user_regs)
29 pr_err("Failure to allocate sample user_regs");
30 }
31 return sample->user_regs;
32}
33
34
35struct regs_dump *perf_sample__intr_regs(struct perf_sample *sample)
36{
37 if (!sample->intr_regs) {
38 sample->intr_regs = zalloc(sizeof(*sample->intr_regs));
39 if (!sample->intr_regs)
40 pr_err("Failure to allocate sample intr_regs");
41 }
42 return sample->intr_regs;
43}