perf tools: Moving code in header.c
Needed for later changes. No modified functionality. Cc: Ingo Molnar <mingo@elte.hu> Link: http://lkml.kernel.org/r/1328884916-5901-1-git-send-email-robert.richter@amd.com Signed-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Robert Richter
Arnaldo Carvalho de Melo
parent
850f8127fa
commit
08d95bd256
1 changed files with 150 additions and 150 deletions
|
|
@ -1316,6 +1316,156 @@ static void print_cpuid(struct perf_header *ph, int fd, FILE *fp)
|
|||
free(str);
|
||||
}
|
||||
|
||||
static int __event_process_build_id(struct build_id_event *bev,
|
||||
char *filename,
|
||||
struct perf_session *session)
|
||||
{
|
||||
int err = -1;
|
||||
struct list_head *head;
|
||||
struct machine *machine;
|
||||
u16 misc;
|
||||
struct dso *dso;
|
||||
enum dso_kernel_type dso_type;
|
||||
|
||||
machine = perf_session__findnew_machine(session, bev->pid);
|
||||
if (!machine)
|
||||
goto out;
|
||||
|
||||
misc = bev->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
|
||||
|
||||
switch (misc) {
|
||||
case PERF_RECORD_MISC_KERNEL:
|
||||
dso_type = DSO_TYPE_KERNEL;
|
||||
head = &machine->kernel_dsos;
|
||||
break;
|
||||
case PERF_RECORD_MISC_GUEST_KERNEL:
|
||||
dso_type = DSO_TYPE_GUEST_KERNEL;
|
||||
head = &machine->kernel_dsos;
|
||||
break;
|
||||
case PERF_RECORD_MISC_USER:
|
||||
case PERF_RECORD_MISC_GUEST_USER:
|
||||
dso_type = DSO_TYPE_USER;
|
||||
head = &machine->user_dsos;
|
||||
break;
|
||||
default:
|
||||
goto out;
|
||||
}
|
||||
|
||||
dso = __dsos__findnew(head, filename);
|
||||
if (dso != NULL) {
|
||||
char sbuild_id[BUILD_ID_SIZE * 2 + 1];
|
||||
|
||||
dso__set_build_id(dso, &bev->build_id);
|
||||
|
||||
if (filename[0] == '[')
|
||||
dso->kernel = dso_type;
|
||||
|
||||
build_id__sprintf(dso->build_id, sizeof(dso->build_id),
|
||||
sbuild_id);
|
||||
pr_debug("build id event received for %s: %s\n",
|
||||
dso->long_name, sbuild_id);
|
||||
}
|
||||
|
||||
err = 0;
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int perf_header__read_build_ids_abi_quirk(struct perf_header *header,
|
||||
int input, u64 offset, u64 size)
|
||||
{
|
||||
struct perf_session *session = container_of(header, struct perf_session, header);
|
||||
struct {
|
||||
struct perf_event_header header;
|
||||
u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
|
||||
char filename[0];
|
||||
} old_bev;
|
||||
struct build_id_event bev;
|
||||
char filename[PATH_MAX];
|
||||
u64 limit = offset + size;
|
||||
|
||||
while (offset < limit) {
|
||||
ssize_t len;
|
||||
|
||||
if (read(input, &old_bev, sizeof(old_bev)) != sizeof(old_bev))
|
||||
return -1;
|
||||
|
||||
if (header->needs_swap)
|
||||
perf_event_header__bswap(&old_bev.header);
|
||||
|
||||
len = old_bev.header.size - sizeof(old_bev);
|
||||
if (read(input, filename, len) != len)
|
||||
return -1;
|
||||
|
||||
bev.header = old_bev.header;
|
||||
|
||||
/*
|
||||
* As the pid is the missing value, we need to fill
|
||||
* it properly. The header.misc value give us nice hint.
|
||||
*/
|
||||
bev.pid = HOST_KERNEL_ID;
|
||||
if (bev.header.misc == PERF_RECORD_MISC_GUEST_USER ||
|
||||
bev.header.misc == PERF_RECORD_MISC_GUEST_KERNEL)
|
||||
bev.pid = DEFAULT_GUEST_KERNEL_ID;
|
||||
|
||||
memcpy(bev.build_id, old_bev.build_id, sizeof(bev.build_id));
|
||||
__event_process_build_id(&bev, filename, session);
|
||||
|
||||
offset += bev.header.size;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int perf_header__read_build_ids(struct perf_header *header,
|
||||
int input, u64 offset, u64 size)
|
||||
{
|
||||
struct perf_session *session = container_of(header, struct perf_session, header);
|
||||
struct build_id_event bev;
|
||||
char filename[PATH_MAX];
|
||||
u64 limit = offset + size, orig_offset = offset;
|
||||
int err = -1;
|
||||
|
||||
while (offset < limit) {
|
||||
ssize_t len;
|
||||
|
||||
if (read(input, &bev, sizeof(bev)) != sizeof(bev))
|
||||
goto out;
|
||||
|
||||
if (header->needs_swap)
|
||||
perf_event_header__bswap(&bev.header);
|
||||
|
||||
len = bev.header.size - sizeof(bev);
|
||||
if (read(input, filename, len) != len)
|
||||
goto out;
|
||||
/*
|
||||
* The a1645ce1 changeset:
|
||||
*
|
||||
* "perf: 'perf kvm' tool for monitoring guest performance from host"
|
||||
*
|
||||
* Added a field to struct build_id_event that broke the file
|
||||
* format.
|
||||
*
|
||||
* Since the kernel build-id is the first entry, process the
|
||||
* table using the old format if the well known
|
||||
* '[kernel.kallsyms]' string for the kernel build-id has the
|
||||
* first 4 characters chopped off (where the pid_t sits).
|
||||
*/
|
||||
if (memcmp(filename, "nel.kallsyms]", 13) == 0) {
|
||||
if (lseek(input, orig_offset, SEEK_SET) == (off_t)-1)
|
||||
return -1;
|
||||
return perf_header__read_build_ids_abi_quirk(header, input, offset, size);
|
||||
}
|
||||
|
||||
__event_process_build_id(&bev, filename, session);
|
||||
|
||||
offset += bev.header.size;
|
||||
}
|
||||
err = 0;
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
struct feature_ops {
|
||||
int (*write)(int fd, struct perf_header *h, struct perf_evlist *evlist);
|
||||
void (*print)(struct perf_header *h, int fd, FILE *fp);
|
||||
|
|
@ -1735,156 +1885,6 @@ int perf_file_header__read(struct perf_file_header *header,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int __event_process_build_id(struct build_id_event *bev,
|
||||
char *filename,
|
||||
struct perf_session *session)
|
||||
{
|
||||
int err = -1;
|
||||
struct list_head *head;
|
||||
struct machine *machine;
|
||||
u16 misc;
|
||||
struct dso *dso;
|
||||
enum dso_kernel_type dso_type;
|
||||
|
||||
machine = perf_session__findnew_machine(session, bev->pid);
|
||||
if (!machine)
|
||||
goto out;
|
||||
|
||||
misc = bev->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
|
||||
|
||||
switch (misc) {
|
||||
case PERF_RECORD_MISC_KERNEL:
|
||||
dso_type = DSO_TYPE_KERNEL;
|
||||
head = &machine->kernel_dsos;
|
||||
break;
|
||||
case PERF_RECORD_MISC_GUEST_KERNEL:
|
||||
dso_type = DSO_TYPE_GUEST_KERNEL;
|
||||
head = &machine->kernel_dsos;
|
||||
break;
|
||||
case PERF_RECORD_MISC_USER:
|
||||
case PERF_RECORD_MISC_GUEST_USER:
|
||||
dso_type = DSO_TYPE_USER;
|
||||
head = &machine->user_dsos;
|
||||
break;
|
||||
default:
|
||||
goto out;
|
||||
}
|
||||
|
||||
dso = __dsos__findnew(head, filename);
|
||||
if (dso != NULL) {
|
||||
char sbuild_id[BUILD_ID_SIZE * 2 + 1];
|
||||
|
||||
dso__set_build_id(dso, &bev->build_id);
|
||||
|
||||
if (filename[0] == '[')
|
||||
dso->kernel = dso_type;
|
||||
|
||||
build_id__sprintf(dso->build_id, sizeof(dso->build_id),
|
||||
sbuild_id);
|
||||
pr_debug("build id event received for %s: %s\n",
|
||||
dso->long_name, sbuild_id);
|
||||
}
|
||||
|
||||
err = 0;
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int perf_header__read_build_ids_abi_quirk(struct perf_header *header,
|
||||
int input, u64 offset, u64 size)
|
||||
{
|
||||
struct perf_session *session = container_of(header, struct perf_session, header);
|
||||
struct {
|
||||
struct perf_event_header header;
|
||||
u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
|
||||
char filename[0];
|
||||
} old_bev;
|
||||
struct build_id_event bev;
|
||||
char filename[PATH_MAX];
|
||||
u64 limit = offset + size;
|
||||
|
||||
while (offset < limit) {
|
||||
ssize_t len;
|
||||
|
||||
if (read(input, &old_bev, sizeof(old_bev)) != sizeof(old_bev))
|
||||
return -1;
|
||||
|
||||
if (header->needs_swap)
|
||||
perf_event_header__bswap(&old_bev.header);
|
||||
|
||||
len = old_bev.header.size - sizeof(old_bev);
|
||||
if (read(input, filename, len) != len)
|
||||
return -1;
|
||||
|
||||
bev.header = old_bev.header;
|
||||
|
||||
/*
|
||||
* As the pid is the missing value, we need to fill
|
||||
* it properly. The header.misc value give us nice hint.
|
||||
*/
|
||||
bev.pid = HOST_KERNEL_ID;
|
||||
if (bev.header.misc == PERF_RECORD_MISC_GUEST_USER ||
|
||||
bev.header.misc == PERF_RECORD_MISC_GUEST_KERNEL)
|
||||
bev.pid = DEFAULT_GUEST_KERNEL_ID;
|
||||
|
||||
memcpy(bev.build_id, old_bev.build_id, sizeof(bev.build_id));
|
||||
__event_process_build_id(&bev, filename, session);
|
||||
|
||||
offset += bev.header.size;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int perf_header__read_build_ids(struct perf_header *header,
|
||||
int input, u64 offset, u64 size)
|
||||
{
|
||||
struct perf_session *session = container_of(header, struct perf_session, header);
|
||||
struct build_id_event bev;
|
||||
char filename[PATH_MAX];
|
||||
u64 limit = offset + size, orig_offset = offset;
|
||||
int err = -1;
|
||||
|
||||
while (offset < limit) {
|
||||
ssize_t len;
|
||||
|
||||
if (read(input, &bev, sizeof(bev)) != sizeof(bev))
|
||||
goto out;
|
||||
|
||||
if (header->needs_swap)
|
||||
perf_event_header__bswap(&bev.header);
|
||||
|
||||
len = bev.header.size - sizeof(bev);
|
||||
if (read(input, filename, len) != len)
|
||||
goto out;
|
||||
/*
|
||||
* The a1645ce1 changeset:
|
||||
*
|
||||
* "perf: 'perf kvm' tool for monitoring guest performance from host"
|
||||
*
|
||||
* Added a field to struct build_id_event that broke the file
|
||||
* format.
|
||||
*
|
||||
* Since the kernel build-id is the first entry, process the
|
||||
* table using the old format if the well known
|
||||
* '[kernel.kallsyms]' string for the kernel build-id has the
|
||||
* first 4 characters chopped off (where the pid_t sits).
|
||||
*/
|
||||
if (memcmp(filename, "nel.kallsyms]", 13) == 0) {
|
||||
if (lseek(input, orig_offset, SEEK_SET) == (off_t)-1)
|
||||
return -1;
|
||||
return perf_header__read_build_ids_abi_quirk(header, input, offset, size);
|
||||
}
|
||||
|
||||
__event_process_build_id(&bev, filename, session);
|
||||
|
||||
offset += bev.header.size;
|
||||
}
|
||||
err = 0;
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int perf_file_section__process(struct perf_file_section *section,
|
||||
struct perf_header *ph,
|
||||
int feat, int fd, void *data __used)
|
||||
|
|
|
|||
Loading…
Reference in a new issue