tools/perf/builtin-record.c

2520

if (rec->opts.kcore &&

tools/perf/builtin-record.c

2573

if (rec->opts.kcore) {

tools/perf/builtin-record.c

3543

OPT_BOOLEAN(0, "kcore", &record.opts.kcore, "copy /proc/kcore"),

tools/perf/builtin-record.c

4161

if (rec->opts.kcore)

tools/perf/builtin-record.c

4164

if (rec->opts.kcore || record__threads_enabled(rec))

tools/perf/builtin-record.c

979

char kcore[PATH_MAX];

tools/perf/builtin-record.c

982

scnprintf(kcore, sizeof(kcore), "%s/proc/kcore", machine->root_dir);

tools/perf/builtin-record.c

984

fd = open(kcore, O_RDONLY);

tools/perf/util/record.h

55

bool kcore;

tools/perf/util/symbol-elf.c

1996

static int kcore__open(struct kcore *kcore, const char *filename)

tools/perf/util/symbol-elf.c

2000

kcore->fd = open(filename, O_RDONLY | O_CLOEXEC);

tools/perf/util/symbol-elf.c

2001

if (kcore->fd == -1)

tools/perf/util/symbol-elf.c

2004

kcore->elf = elf_begin(kcore->fd, ELF_C_READ, NULL);

tools/perf/util/symbol-elf.c

2005

if (!kcore->elf)

tools/perf/util/symbol-elf.c

2008

kcore->elfclass = gelf_getclass(kcore->elf);

tools/perf/util/symbol-elf.c

2009

if (kcore->elfclass == ELFCLASSNONE)

tools/perf/util/symbol-elf.c

2012

ehdr = gelf_getehdr(kcore->elf, &kcore->ehdr);

tools/perf/util/symbol-elf.c

2019

elf_end(kcore->elf);

tools/perf/util/symbol-elf.c

2021

close(kcore->fd);

tools/perf/util/symbol-elf.c

2025

static int kcore__init(struct kcore *kcore, char *filename, int elfclass,

tools/perf/util/symbol-elf.c

2028

kcore->elfclass = elfclass;

tools/perf/util/symbol-elf.c

2031

kcore->fd = mkostemp(filename, O_CLOEXEC);

tools/perf/util/symbol-elf.c

2033

kcore->fd = open(filename, O_WRONLY | O_CREAT | O_EXCL | O_CLOEXEC, 0400);

tools/perf/util/symbol-elf.c

2034

if (kcore->fd == -1)

tools/perf/util/symbol-elf.c

2037

kcore->elf = elf_begin(kcore->fd, ELF_C_WRITE, NULL);

tools/perf/util/symbol-elf.c

2038

if (!kcore->elf)

tools/perf/util/symbol-elf.c

2041

if (!gelf_newehdr(kcore->elf, elfclass))

tools/perf/util/symbol-elf.c

2044

memset(&kcore->ehdr, 0, sizeof(GElf_Ehdr));

tools/perf/util/symbol-elf.c

2049

elf_end(kcore->elf);

tools/perf/util/symbol-elf.c

2051

close(kcore->fd);

tools/perf/util/symbol-elf.c

2056

static void kcore__close(struct kcore *kcore)

tools/perf/util/symbol-elf.c

2058

elf_end(kcore->elf);

tools/perf/util/symbol-elf.c

2059

close(kcore->fd);

tools/perf/util/symbol-elf.c

2062

static int kcore__copy_hdr(struct kcore *from, struct kcore *to, size_t count)

tools/perf/util/symbol-elf.c

2098

static int kcore__add_phdr(struct kcore *kcore, int idx, off_t offset,

tools/perf/util/symbol-elf.c

2112

if (!gelf_update_phdr(kcore->elf, idx, &phdr))

tools/perf/util/symbol-elf.c

2118

static off_t kcore__write(struct kcore *kcore)

tools/perf/util/symbol-elf.c

2120

return elf_update(kcore->elf, ELF_C_WRITE);

tools/perf/util/symbol-elf.c

2563

struct kcore kcore;

tools/perf/util/symbol-elf.c

2564

struct kcore extract;

tools/perf/util/symbol-elf.c

2584

if (kcore__open(&kcore, kcore_filename))

tools/perf/util/symbol-elf.c

2587

if (kcore_copy__calc_maps(&kci, from_dir, kcore.elf))

tools/perf/util/symbol-elf.c

2590

if (kcore__init(&extract, extract_filename, kcore.elfclass, false))

tools/perf/util/symbol-elf.c

2593

if (kcore__copy_hdr(&kcore, &extract, kci.phnum))

tools/perf/util/symbol-elf.c

2616

if (copy_bytes(kcore.fd, p->offset, extract.fd, offs, p->len))

tools/perf/util/symbol-elf.c

2630

kcore__close(&kcore);

tools/perf/util/symbol-elf.c

2646

struct kcore kcore;

tools/perf/util/symbol-elf.c

2647

struct kcore extract;

tools/perf/util/symbol-elf.c

2652

if (kcore__open(&kcore, kce->kcore_filename))

tools/perf/util/symbol-elf.c

2656

if (kcore__init(&extract, kce->extract_filename, kcore.elfclass, true))

tools/perf/util/symbol-elf.c

2659

if (kcore__copy_hdr(&kcore, &extract, count))

tools/perf/util/symbol-elf.c

2669

if (copy_bytes(kcore.fd, kce->offs, extract.fd, offset, kce->len))

tools/perf/util/symbol-elf.c

2679

kcore__close(&kcore);