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perf header: Stop using 'self'

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Stop using this python/OOP convention, doesn't really helps. Will do
more from time to time till we get it cleaned up in all of tools/perf.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-03-09 08:13:19 -03:00
parent a91e5431d5
commit 1c0b04d10b
2 changed files with 105 additions and 106 deletions
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199
tools/perf/util/header.c
View File

@ -66,19 +66,19 @@ struct perf_file_attr {
struct perf_file_section ids;
};
void perf_header__set_feat(struct perf_header *self, int feat)
void perf_header__set_feat(struct perf_header *header, int feat)
{
set_bit(feat, self->adds_features);
set_bit(feat, header->adds_features);
}
void perf_header__clear_feat(struct perf_header *self, int feat)
void perf_header__clear_feat(struct perf_header *header, int feat)
{
clear_bit(feat, self->adds_features);
clear_bit(feat, header->adds_features);
}
bool perf_header__has_feat(const struct perf_header *self, int feat)
bool perf_header__has_feat(const struct perf_header *header, int feat)
{
return test_bit(feat, self->adds_features);
return test_bit(feat, header->adds_features);
}
static int do_write(int fd, const void *buf, size_t size)
@ -147,22 +147,22 @@ static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
return 0;
}
static int machine__write_buildid_table(struct machine *self, int fd)
static int machine__write_buildid_table(struct machine *machine, int fd)
{
int err;
u16 kmisc = PERF_RECORD_MISC_KERNEL,
umisc = PERF_RECORD_MISC_USER;
if (!machine__is_host(self)) {
if (!machine__is_host(machine)) {
kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
umisc = PERF_RECORD_MISC_GUEST_USER;
}
err = __dsos__write_buildid_table(&self->kernel_dsos, self->pid,
err = __dsos__write_buildid_table(&machine->kernel_dsos, machine->pid,
kmisc, fd);
if (err == 0)
err = __dsos__write_buildid_table(&self->user_dsos,
self->pid, umisc, fd);
err = __dsos__write_buildid_table(&machine->user_dsos,
machine->pid, umisc, fd);
return err;
}
@ -280,12 +280,12 @@ out_free:
return err;
}
static int dso__cache_build_id(struct dso *self, const char *debugdir)
static int dso__cache_build_id(struct dso *dso, const char *debugdir)
{
bool is_kallsyms = self->kernel && self->long_name[0] != '/';
bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
return build_id_cache__add_b(self->build_id, sizeof(self->build_id),
self->long_name, debugdir, is_kallsyms);
return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id),
dso->long_name, debugdir, is_kallsyms);
}
static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
@ -300,14 +300,14 @@ static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
return err;
}
static int machine__cache_build_ids(struct machine *self, const char *debugdir)
static int machine__cache_build_ids(struct machine *machine, const char *debugdir)
{
int ret = __dsos__cache_build_ids(&self->kernel_dsos, debugdir);
ret |= __dsos__cache_build_ids(&self->user_dsos, debugdir);
int ret = __dsos__cache_build_ids(&machine->kernel_dsos, debugdir);
ret |= __dsos__cache_build_ids(&machine->user_dsos, debugdir);
return ret;
}
static int perf_session__cache_build_ids(struct perf_session *self)
static int perf_session__cache_build_ids(struct perf_session *session)
{
struct rb_node *nd;
int ret;
@ -318,28 +318,28 @@ static int perf_session__cache_build_ids(struct perf_session *self)
if (mkdir(debugdir, 0755) != 0 && errno != EEXIST)
return -1;
ret = machine__cache_build_ids(&self->host_machine, debugdir);
ret = machine__cache_build_ids(&session->host_machine, debugdir);
for (nd = rb_first(&self->machines); nd; nd = rb_next(nd)) {
for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
struct machine *pos = rb_entry(nd, struct machine, rb_node);
ret |= machine__cache_build_ids(pos, debugdir);
}
return ret ? -1 : 0;
}
static bool machine__read_build_ids(struct machine *self, bool with_hits)
static bool machine__read_build_ids(struct machine *machine, bool with_hits)
{
bool ret = __dsos__read_build_ids(&self->kernel_dsos, with_hits);
ret |= __dsos__read_build_ids(&self->user_dsos, with_hits);
bool ret = __dsos__read_build_ids(&machine->kernel_dsos, with_hits);
ret |= __dsos__read_build_ids(&machine->user_dsos, with_hits);
return ret;
}
static bool perf_session__read_build_ids(struct perf_session *self, bool with_hits)
static bool perf_session__read_build_ids(struct perf_session *session, bool with_hits)
{
struct rb_node *nd;
bool ret = machine__read_build_ids(&self->host_machine, with_hits);
bool ret = machine__read_build_ids(&session->host_machine, with_hits);
for (nd = rb_first(&self->machines); nd; nd = rb_next(nd)) {
for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
struct machine *pos = rb_entry(nd, struct machine, rb_node);
ret |= machine__read_build_ids(pos, with_hits);
}
@ -347,7 +347,7 @@ static bool perf_session__read_build_ids(struct perf_session *self, bool with_hi
return ret;
}
static int perf_header__adds_write(struct perf_header *self,
static int perf_header__adds_write(struct perf_header *header,
struct perf_evlist *evlist, int fd)
{
int nr_sections;
@ -357,13 +357,13 @@ static int perf_header__adds_write(struct perf_header *self,
u64 sec_start;
int idx = 0, err;
session = container_of(self, struct perf_session, header);
session = container_of(header, struct perf_session, header);
if (perf_header__has_feat(self, HEADER_BUILD_ID &&
if (perf_header__has_feat(header, HEADER_BUILD_ID &&
!perf_session__read_build_ids(session, true)))
perf_header__clear_feat(self, HEADER_BUILD_ID);
perf_header__clear_feat(header, HEADER_BUILD_ID);
nr_sections = bitmap_weight(self->adds_features, HEADER_FEAT_BITS);
nr_sections = bitmap_weight(header->adds_features, HEADER_FEAT_BITS);
if (!nr_sections)
return 0;
@ -373,10 +373,10 @@ static int perf_header__adds_write(struct perf_header *self,
sec_size = sizeof(*feat_sec) * nr_sections;
sec_start = self->data_offset + self->data_size;
sec_start = header->data_offset + header->data_size;
lseek(fd, sec_start + sec_size, SEEK_SET);
if (perf_header__has_feat(self, HEADER_TRACE_INFO)) {
if (perf_header__has_feat(header, HEADER_TRACE_INFO)) {
struct perf_file_section *trace_sec;
trace_sec = &feat_sec[idx++];
@ -387,14 +387,14 @@ static int perf_header__adds_write(struct perf_header *self,
trace_sec->size = lseek(fd, 0, SEEK_CUR) - trace_sec->offset;
}
if (perf_header__has_feat(self, HEADER_BUILD_ID)) {
if (perf_header__has_feat(header, HEADER_BUILD_ID)) {
struct perf_file_section *buildid_sec;
buildid_sec = &feat_sec[idx++];
/* Write build-ids */
buildid_sec->offset = lseek(fd, 0, SEEK_CUR);
err = dsos__write_buildid_table(self, fd);
err = dsos__write_buildid_table(header, fd);
if (err < 0) {
pr_debug("failed to write buildid table\n");
goto out_free;
@ -439,7 +439,7 @@ int perf_session__write_header(struct perf_session *session,
{
struct perf_file_header f_header;
struct perf_file_attr f_attr;
struct perf_header *self = &session->header;
struct perf_header *header = &session->header;
struct perf_evsel *attr, *pair = NULL;
int err;
@ -465,7 +465,7 @@ out_err_write:
}
}
self->attr_offset = lseek(fd, 0, SEEK_CUR);
header->attr_offset = lseek(fd, 0, SEEK_CUR);
list_for_each_entry(attr, &evlist->entries, node) {
f_attr = (struct perf_file_attr){
@ -482,20 +482,20 @@ out_err_write:
}
}
self->event_offset = lseek(fd, 0, SEEK_CUR);
self->event_size = event_count * sizeof(struct perf_trace_event_type);
header->event_offset = lseek(fd, 0, SEEK_CUR);
header->event_size = event_count * sizeof(struct perf_trace_event_type);
if (events) {
err = do_write(fd, events, self->event_size);
err = do_write(fd, events, header->event_size);
if (err < 0) {
pr_debug("failed to write perf header events\n");
return err;
}
}
self->data_offset = lseek(fd, 0, SEEK_CUR);
header->data_offset = lseek(fd, 0, SEEK_CUR);
if (at_exit) {
err = perf_header__adds_write(self, evlist, fd);
err = perf_header__adds_write(header, evlist, fd);
if (err < 0)
return err;
}
@ -505,20 +505,20 @@ out_err_write:
.size = sizeof(f_header),
.attr_size = sizeof(f_attr),
.attrs = {
.offset = self->attr_offset,
.offset = header->attr_offset,
.size = evlist->nr_entries * sizeof(f_attr),
},
.data = {
.offset = self->data_offset,
.size = self->data_size,
.offset = header->data_offset,
.size = header->data_size,
},
.event_types = {
.offset = self->event_offset,
.size = self->event_size,
.offset = header->event_offset,
.size = header->event_size,
},
};
memcpy(&f_header.adds_features, &self->adds_features, sizeof(self->adds_features));
memcpy(&f_header.adds_features, &header->adds_features, sizeof(header->adds_features));
lseek(fd, 0, SEEK_SET);
err = do_write(fd, &f_header, sizeof(f_header));
@ -526,26 +526,26 @@ out_err_write:
pr_debug("failed to write perf header\n");
return err;
}
lseek(fd, self->data_offset + self->data_size, SEEK_SET);
lseek(fd, header->data_offset + header->data_size, SEEK_SET);
self->frozen = 1;
header->frozen = 1;
return 0;
}
static int perf_header__getbuffer64(struct perf_header *self,
static int perf_header__getbuffer64(struct perf_header *header,
int fd, void *buf, size_t size)
{
if (readn(fd, buf, size) <= 0)
return -1;
if (self->needs_swap)
if (header->needs_swap)
mem_bswap_64(buf, size);
return 0;
}
int perf_header__process_sections(struct perf_header *self, int fd,
int (*process)(struct perf_file_section *self,
int perf_header__process_sections(struct perf_header *header, int fd,
int (*process)(struct perf_file_section *section,
struct perf_header *ph,
int feat, int fd))
{
@ -555,7 +555,7 @@ int perf_header__process_sections(struct perf_header *self, int fd,
int idx = 0;
int err = -1, feat = 1;
nr_sections = bitmap_weight(self->adds_features, HEADER_FEAT_BITS);
nr_sections = bitmap_weight(header->adds_features, HEADER_FEAT_BITS);
if (!nr_sections)
return 0;
@ -565,17 +565,17 @@ int perf_header__process_sections(struct perf_header *self, int fd,
sec_size = sizeof(*feat_sec) * nr_sections;
lseek(fd, self->data_offset + self->data_size, SEEK_SET);
lseek(fd, header->data_offset + header->data_size, SEEK_SET);
if (perf_header__getbuffer64(self, fd, feat_sec, sec_size))
if (perf_header__getbuffer64(header, fd, feat_sec, sec_size))
goto out_free;
err = 0;
while (idx < nr_sections && feat < HEADER_LAST_FEATURE) {
if (perf_header__has_feat(self, feat)) {
if (perf_header__has_feat(header, feat)) {
struct perf_file_section *sec = &feat_sec[idx++];
err = process(sec, self, feat, fd);
err = process(sec, header, feat, fd);
if (err < 0)
break;
}
@ -586,35 +586,35 @@ out_free:
return err;
}
int perf_file_header__read(struct perf_file_header *self,
int perf_file_header__read(struct perf_file_header *header,
struct perf_header *ph, int fd)
{
lseek(fd, 0, SEEK_SET);
if (readn(fd, self, sizeof(*self)) <= 0 ||
memcmp(&self->magic, __perf_magic, sizeof(self->magic)))
if (readn(fd, header, sizeof(*header)) <= 0 ||
memcmp(&header->magic, __perf_magic, sizeof(header->magic)))
return -1;
if (self->attr_size != sizeof(struct perf_file_attr)) {
u64 attr_size = bswap_64(self->attr_size);
if (header->attr_size != sizeof(struct perf_file_attr)) {
u64 attr_size = bswap_64(header->attr_size);
if (attr_size != sizeof(struct perf_file_attr))
return -1;
mem_bswap_64(self, offsetof(struct perf_file_header,
mem_bswap_64(header, offsetof(struct perf_file_header,
adds_features));
ph->needs_swap = true;
}
if (self->size != sizeof(*self)) {
if (header->size != sizeof(*header)) {
/* Support the previous format */
if (self->size == offsetof(typeof(*self), adds_features))
bitmap_zero(self->adds_features, HEADER_FEAT_BITS);
if (header->size == offsetof(typeof(*header), adds_features))
bitmap_zero(header->adds_features, HEADER_FEAT_BITS);
else
return -1;
}
memcpy(&ph->adds_features, &self->adds_features,
memcpy(&ph->adds_features, &header->adds_features,
sizeof(ph->adds_features));
/*
* FIXME: hack that assumes that if we need swap the perf.data file
@ -628,10 +628,10 @@ int perf_file_header__read(struct perf_file_header *self,
perf_header__set_feat(ph, HEADER_BUILD_ID);
}
ph->event_offset = self->event_types.offset;
ph->event_size = self->event_types.size;
ph->data_offset = self->data.offset;
ph->data_size = self->data.size;
ph->event_offset = header->event_types.offset;
ph->event_size = header->event_types.size;
ph->data_offset = header->data.offset;
ph->data_size = header->data.size;
return 0;
}
@ -690,11 +690,10 @@ out:
return err;
}
static int perf_header__read_build_ids(struct perf_header *self,
int input, u64 offset, u64 size)
static int perf_header__read_build_ids(struct perf_header *header,
int input, u64 offset, u64 size)
{
struct perf_session *session = container_of(self,
struct perf_session, header);
struct perf_session *session = container_of(header, struct perf_session, header);
struct build_id_event bev;
char filename[PATH_MAX];
u64 limit = offset + size;
@ -706,7 +705,7 @@ static int perf_header__read_build_ids(struct perf_header *self,
if (read(input, &bev, sizeof(bev)) != sizeof(bev))
goto out;
if (self->needs_swap)
if (header->needs_swap)
perf_event_header__bswap(&bev.header);
len = bev.header.size - sizeof(bev);
@ -722,13 +721,13 @@ out:
return err;
}
static int perf_file_section__process(struct perf_file_section *self,
static int perf_file_section__process(struct perf_file_section *section,
struct perf_header *ph,
int feat, int fd)
{
if (lseek(fd, self->offset, SEEK_SET) == (off_t)-1) {
if (lseek(fd, section->offset, SEEK_SET) == (off_t)-1) {
pr_debug("Failed to lseek to %" PRIu64 " offset for feature "
"%d, continuing...\n", self->offset, feat);
"%d, continuing...\n", section->offset, feat);
return 0;
}
@ -738,7 +737,7 @@ static int perf_file_section__process(struct perf_file_section *self,
break;
case HEADER_BUILD_ID:
if (perf_header__read_build_ids(ph, fd, self->offset, self->size))
if (perf_header__read_build_ids(ph, fd, section->offset, section->size))
pr_debug("Failed to read buildids, continuing...\n");
break;
default:
@ -748,21 +747,21 @@ static int perf_file_section__process(struct perf_file_section *self,
return 0;
}
static int perf_file_header__read_pipe(struct perf_pipe_file_header *self,
static int perf_file_header__read_pipe(struct perf_pipe_file_header *header,
struct perf_header *ph, int fd,
bool repipe)
{
if (readn(fd, self, sizeof(*self)) <= 0 ||
memcmp(&self->magic, __perf_magic, sizeof(self->magic)))
if (readn(fd, header, sizeof(*header)) <= 0 ||
memcmp(&header->magic, __perf_magic, sizeof(header->magic)))
return -1;
if (repipe && do_write(STDOUT_FILENO, self, sizeof(*self)) < 0)
if (repipe && do_write(STDOUT_FILENO, header, sizeof(*header)) < 0)
return -1;
if (self->size != sizeof(*self)) {
u64 size = bswap_64(self->size);
if (header->size != sizeof(*header)) {
u64 size = bswap_64(header->size);
if (size != sizeof(*self))
if (size != sizeof(*header))
return -1;
ph->needs_swap = true;
@ -773,10 +772,10 @@ static int perf_file_header__read_pipe(struct perf_pipe_file_header *self,
static int perf_header__read_pipe(struct perf_session *session, int fd)
{
struct perf_header *self = &session->header;
struct perf_header *header = &session->header;
struct perf_pipe_file_header f_header;
if (perf_file_header__read_pipe(&f_header, self, fd,
if (perf_file_header__read_pipe(&f_header, header, fd,
session->repipe) < 0) {
pr_debug("incompatible file format\n");
return -EINVAL;
@ -789,7 +788,7 @@ static int perf_header__read_pipe(struct perf_session *session, int fd)
int perf_session__read_header(struct perf_session *session, int fd)
{
struct perf_header *self = &session->header;
struct perf_header *header = &session->header;
struct perf_file_header f_header;
struct perf_file_attr f_attr;
u64 f_id;
@ -802,7 +801,7 @@ int perf_session__read_header(struct perf_session *session, int fd)
if (session->fd_pipe)
return perf_header__read_pipe(session, fd);
if (perf_file_header__read(&f_header, self, fd) < 0) {
if (perf_file_header__read(&f_header, header, fd) < 0) {
pr_debug("incompatible file format\n");
return -EINVAL;
}
@ -814,7 +813,7 @@ int perf_session__read_header(struct perf_session *session, int fd)
struct perf_evsel *evsel;
off_t tmp;
if (perf_header__getbuffer64(self, fd, &f_attr, sizeof(f_attr)))
if (perf_header__getbuffer64(header, fd, &f_attr, sizeof(f_attr)))
goto out_errno;
tmp = lseek(fd, 0, SEEK_CUR);
@ -840,7 +839,7 @@ int perf_session__read_header(struct perf_session *session, int fd)
lseek(fd, f_attr.ids.offset, SEEK_SET);
for (j = 0; j < nr_ids; j++) {
if (perf_header__getbuffer64(self, fd, &f_id, sizeof(f_id)))
if (perf_header__getbuffer64(header, fd, &f_id, sizeof(f_id)))
goto out_errno;
perf_evlist__id_add(session->evlist, evsel, 0, j, f_id);
@ -854,17 +853,17 @@ int perf_session__read_header(struct perf_session *session, int fd)
events = malloc(f_header.event_types.size);
if (events == NULL)
return -ENOMEM;
if (perf_header__getbuffer64(self, fd, events,
if (perf_header__getbuffer64(header, fd, events,
f_header.event_types.size))
goto out_errno;
event_count = f_header.event_types.size / sizeof(struct perf_trace_event_type);
}
perf_header__process_sections(self, fd, perf_file_section__process);
perf_header__process_sections(header, fd, perf_file_section__process);
lseek(fd, self->data_offset, SEEK_SET);
lseek(fd, header->data_offset, SEEK_SET);
self->frozen = 1;
header->frozen = 1;
return 0;
out_errno:
return -errno;

12
tools/perf/util/header.h
View File

@ -39,7 +39,7 @@ struct perf_pipe_file_header {
struct perf_header;
int perf_file_header__read(struct perf_file_header *self,
int perf_file_header__read(struct perf_file_header *header,
struct perf_header *ph, int fd);
struct perf_header {
@ -66,12 +66,12 @@ char *perf_header__find_event(u64 id);
u64 perf_evlist__sample_type(struct perf_evlist *evlist);
bool perf_evlist__sample_id_all(const struct perf_evlist *evlist);
void perf_header__set_feat(struct perf_header *self, int feat);
void perf_header__clear_feat(struct perf_header *self, int feat);
bool perf_header__has_feat(const struct perf_header *self, int feat);
void perf_header__set_feat(struct perf_header *header, int feat);
void perf_header__clear_feat(struct perf_header *header, int feat);
bool perf_header__has_feat(const struct perf_header *header, int feat);
int perf_header__process_sections(struct perf_header *self, int fd,
int (*process)(struct perf_file_section *self,
int perf_header__process_sections(struct perf_header *header, int fd,
int (*process)(struct perf_file_section *section,
struct perf_header *ph,
int feat, int fd));