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-rw-r--r--tools/perf/util/data_map.c11
-rw-r--r--tools/perf/util/data_map.h3
-rw-r--r--tools/perf/util/header.c110
-rw-r--r--tools/perf/util/include/linux/bitmap.h1
-rw-r--r--tools/perf/util/include/linux/ctype.h2
-rw-r--r--tools/perf/util/util.h3
6 files changed, 85 insertions, 45 deletions
diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c
index 66e58aa..aacb814 100644
--- a/tools/perf/util/data_map.c
+++ b/tools/perf/util/data_map.c
@@ -70,18 +70,15 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
}
}
-int perf_header__read_build_ids(const struct perf_header *self,
- int input, off_t file_size)
+int perf_header__read_build_ids(int input, off_t size)
{
- off_t offset = self->data_offset + self->data_size;
struct build_id_event bev;
char filename[PATH_MAX];
+ off_t offset = lseek(input, 0, SEEK_CUR);
+ off_t limit = offset + size;
int err = -1;
- if (lseek(input, offset, SEEK_SET) < 0)
- return -1;
-
- while (offset < file_size) {
+ while (offset < limit) {
struct dso *dso;
ssize_t len;
diff --git a/tools/perf/util/data_map.h b/tools/perf/util/data_map.h
index c412281..20b4037 100644
--- a/tools/perf/util/data_map.h
+++ b/tools/perf/util/data_map.h
@@ -27,7 +27,6 @@ int mmap_dispatch_perf_file(struct perf_header **pheader,
int full_paths,
int *cwdlen,
char **cwd);
-int perf_header__read_build_ids(const struct perf_header *self,
- int input, off_t file_size);
+int perf_header__read_build_ids(int input, off_t file_size);
#endif
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 9709d38..ebed4f4 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -186,41 +186,58 @@ static void write_buildid_table(int fd, struct list_head *id_head)
}
static void
-perf_header__adds_write(struct perf_header *self, int fd, bool at_exit)
+perf_header__adds_write(struct perf_header *self, int fd)
{
- struct perf_file_section trace_sec;
- u64 cur_offset = lseek(fd, 0, SEEK_CUR);
+ LIST_HEAD(id_list);
+ int nr_sections;
+ struct perf_file_section *feat_sec;
+ int sec_size;
+ u64 sec_start;
+ int idx = 0;
+
+ if (fetch_build_id_table(&id_list))
+ perf_header__set_feat(self, HEADER_BUILD_ID);
+
+ nr_sections = bitmap_weight(self->adds_features, HEADER_FEAT_BITS);
+ if (!nr_sections)
+ return;
+
+ feat_sec = calloc(sizeof(*feat_sec), nr_sections);
+ if (!feat_sec)
+ die("No memory");
+
+ sec_size = sizeof(*feat_sec) * nr_sections;
+
+ sec_start = self->data_offset + self->data_size;
+ lseek(fd, sec_start + sec_size, SEEK_SET);
if (perf_header__has_feat(self, HEADER_TRACE_INFO)) {
+ struct perf_file_section *trace_sec;
+
+ trace_sec = &feat_sec[idx++];
+
/* Write trace info */
- trace_sec.offset = lseek(fd, sizeof(trace_sec), SEEK_CUR);
+ trace_sec->offset = lseek(fd, 0, SEEK_CUR);
read_tracing_data(fd, attrs, nr_counters);
- trace_sec.size = lseek(fd, 0, SEEK_CUR) - trace_sec.offset;
-
- /* Write trace info headers */
- lseek(fd, cur_offset, SEEK_SET);
- do_write(fd, &trace_sec, sizeof(trace_sec));
-
- /*
- * Update cur_offset. So that other (future)
- * features can set their own infos in this place. But if we are
- * the only feature, at least that seeks to the place the data
- * should begin.
- */
- cur_offset = lseek(fd, trace_sec.offset + trace_sec.size, SEEK_SET);
+ trace_sec->size = lseek(fd, 0, SEEK_CUR) - trace_sec->offset;
}
- if (at_exit) {
- LIST_HEAD(id_list);
- if (fetch_build_id_table(&id_list)) {
- lseek(fd, self->data_offset + self->data_size, SEEK_SET);
- perf_header__set_feat(self, HEADER_BUILD_ID);
- write_buildid_table(fd, &id_list);
- lseek(fd, cur_offset, SEEK_SET);
- }
+ if (perf_header__has_feat(self, 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);
+ write_buildid_table(fd, &id_list);
+ buildid_sec->size = lseek(fd, 0, SEEK_CUR) - buildid_sec->offset;
}
-};
+
+ lseek(fd, sec_start, SEEK_SET);
+ do_write(fd, feat_sec, sec_size);
+ free(feat_sec);
+}
void perf_header__write(struct perf_header *self, int fd, bool at_exit)
{
@@ -260,10 +277,11 @@ void perf_header__write(struct perf_header *self, int fd, bool at_exit)
if (events)
do_write(fd, events, self->event_size);
- perf_header__adds_write(self, fd, at_exit);
-
self->data_offset = lseek(fd, 0, SEEK_CUR);
+ if (at_exit)
+ perf_header__adds_write(self, fd);
+
f_header = (struct perf_file_header){
.magic = PERF_MAGIC,
.size = sizeof(f_header),
@@ -308,22 +326,44 @@ static void do_read(int fd, void *buf, size_t size)
static void perf_header__adds_read(struct perf_header *self, int fd)
{
+ struct perf_file_section *feat_sec;
+ int nr_sections;
+ int sec_size;
+ int idx = 0;
+
+
+ nr_sections = bitmap_weight(self->adds_features, HEADER_FEAT_BITS);
+ if (!nr_sections)
+ return;
+
+ feat_sec = calloc(sizeof(*feat_sec), nr_sections);
+ if (!feat_sec)
+ die("No memory");
+
+ sec_size = sizeof(*feat_sec) * nr_sections;
+
+ lseek(fd, self->data_offset + self->data_size, SEEK_SET);
+
+ do_read(fd, feat_sec, sec_size);
+
if (perf_header__has_feat(self, HEADER_TRACE_INFO)) {
- struct perf_file_section trace_sec;
+ struct perf_file_section *trace_sec;
- do_read(fd, &trace_sec, sizeof(trace_sec));
- lseek(fd, trace_sec.offset, SEEK_SET);
+ trace_sec = &feat_sec[idx++];
+ lseek(fd, trace_sec->offset, SEEK_SET);
trace_report(fd);
- lseek(fd, trace_sec.offset + trace_sec.size, SEEK_SET);
}
if (perf_header__has_feat(self, HEADER_BUILD_ID)) {
- struct stat input_stat;
+ struct perf_file_section *buildid_sec;
- fstat(fd, &input_stat);
- if (perf_header__read_build_ids(self, fd, input_stat.st_size))
+ buildid_sec = &feat_sec[idx++];
+ lseek(fd, buildid_sec->offset, SEEK_SET);
+ if (perf_header__read_build_ids(fd, buildid_sec->size))
pr_debug("failed to read buildids, continuing...\n");
}
+
+ free(feat_sec);
};
struct perf_header *perf_header__read(int fd)
diff --git a/tools/perf/util/include/linux/bitmap.h b/tools/perf/util/include/linux/bitmap.h
index 821c103..9450763 100644
--- a/tools/perf/util/include/linux/bitmap.h
+++ b/tools/perf/util/include/linux/bitmap.h
@@ -1,2 +1,3 @@
#include "../../../../include/linux/bitmap.h"
#include "../../../../include/asm-generic/bitops/find.h"
+#include <linux/errno.h>
diff --git a/tools/perf/util/include/linux/ctype.h b/tools/perf/util/include/linux/ctype.h
index bae5783..a53d4ee 100644
--- a/tools/perf/util/include/linux/ctype.h
+++ b/tools/perf/util/include/linux/ctype.h
@@ -1 +1 @@
-#include "../../../../include/linux/ctype.h"
+#include "../util.h"
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 9de2329..7bd5bda 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -306,6 +306,7 @@ static inline int has_extension(const char *filename, const char *ext)
#undef isascii
#undef isspace
#undef isdigit
+#undef isxdigit
#undef isalpha
#undef isprint
#undef isalnum
@@ -323,6 +324,8 @@ extern unsigned char sane_ctype[256];
#define isascii(x) (((x) & ~0x7f) == 0)
#define isspace(x) sane_istest(x,GIT_SPACE)
#define isdigit(x) sane_istest(x,GIT_DIGIT)
+#define isxdigit(x) \
+ (sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
#define isalpha(x) sane_istest(x,GIT_ALPHA)
#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
#define isprint(x) sane_istest(x,GIT_PRINT)
generated by cgit v0.10.2 at 2024-11-01 15:50:53 (GMT)