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Diffstat (limited to 'tools/perf/util/data.c')
-rw-r--r--tools/perf/util/data.c92
1 files changed, 46 insertions, 46 deletions
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index 1123b30e3033..a6eea3df4c10 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -21,56 +21,56 @@
#endif
#endif
-static bool check_pipe(struct perf_data_file *file)
+static bool check_pipe(struct perf_data *data)
{
struct stat st;
bool is_pipe = false;
- int fd = perf_data_file__is_read(file) ?
+ int fd = perf_data__is_read(data) ?
STDIN_FILENO : STDOUT_FILENO;
- if (!file->path) {
+ if (!data->path) {
if (!fstat(fd, &st) && S_ISFIFO(st.st_mode))
is_pipe = true;
} else {
- if (!strcmp(file->path, "-"))
+ if (!strcmp(data->path, "-"))
is_pipe = true;
}
if (is_pipe)
- file->fd = fd;
+ data->fd = fd;
- return file->is_pipe = is_pipe;
+ return data->is_pipe = is_pipe;
}
-static int check_backup(struct perf_data_file *file)
+static int check_backup(struct perf_data *data)
{
struct stat st;
- if (!stat(file->path, &st) && st.st_size) {
+ if (!stat(data->path, &st) && st.st_size) {
/* TODO check errors properly */
char oldname[PATH_MAX];
snprintf(oldname, sizeof(oldname), "%s.old",
- file->path);
+ data->path);
unlink(oldname);
- rename(file->path, oldname);
+ rename(data->path, oldname);
}
return 0;
}
-static int open_file_read(struct perf_data_file *file)
+static int open_file_read(struct perf_data *data)
{
struct stat st;
int fd;
char sbuf[STRERR_BUFSIZE];
- fd = open(file->path, O_RDONLY);
+ fd = open(data->path, O_RDONLY);
if (fd < 0) {
int err = errno;
- pr_err("failed to open %s: %s", file->path,
+ pr_err("failed to open %s: %s", data->path,
str_error_r(err, sbuf, sizeof(sbuf)));
- if (err == ENOENT && !strcmp(file->path, "perf.data"))
+ if (err == ENOENT && !strcmp(data->path, "perf.data"))
pr_err(" (try 'perf record' first)");
pr_err("\n");
return -err;
@@ -79,19 +79,19 @@ static int open_file_read(struct perf_data_file *file)
if (fstat(fd, &st) < 0)
goto out_close;
- if (!file->force && st.st_uid && (st.st_uid != geteuid())) {
+ if (!data->force && st.st_uid && (st.st_uid != geteuid())) {
pr_err("File %s not owned by current user or root (use -f to override)\n",
- file->path);
+ data->path);
goto out_close;
}
if (!st.st_size) {
- pr_info("zero-sized file (%s), nothing to do!\n",
- file->path);
+ pr_info("zero-sized data (%s), nothing to do!\n",
+ data->path);
goto out_close;
}
- file->size = st.st_size;
+ data->size = st.st_size;
return fd;
out_close:
@@ -99,93 +99,93 @@ static int open_file_read(struct perf_data_file *file)
return -1;
}
-static int open_file_write(struct perf_data_file *file)
+static int open_file_write(struct perf_data *data)
{
int fd;
char sbuf[STRERR_BUFSIZE];
- if (check_backup(file))
+ if (check_backup(data))
return -1;
- fd = open(file->path, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC,
+ fd = open(data->path, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC,
S_IRUSR|S_IWUSR);
if (fd < 0)
- pr_err("failed to open %s : %s\n", file->path,
+ pr_err("failed to open %s : %s\n", data->path,
str_error_r(errno, sbuf, sizeof(sbuf)));
return fd;
}
-static int open_file(struct perf_data_file *file)
+static int open_file(struct perf_data *data)
{
int fd;
- fd = perf_data_file__is_read(file) ?
- open_file_read(file) : open_file_write(file);
+ fd = perf_data__is_read(data) ?
+ open_file_read(data) : open_file_write(data);
- file->fd = fd;
+ data->fd = fd;
return fd < 0 ? -1 : 0;
}
-int perf_data_file__open(struct perf_data_file *file)
+int perf_data__open(struct perf_data *data)
{
- if (check_pipe(file))
+ if (check_pipe(data))
return 0;
- if (!file->path)
- file->path = "perf.data";
+ if (!data->path)
+ data->path = "perf.data";
- return open_file(file);
+ return open_file(data);
}
-void perf_data_file__close(struct perf_data_file *file)
+void perf_data__close(struct perf_data *data)
{
- close(file->fd);
+ close(data->fd);
}
-ssize_t perf_data_file__write(struct perf_data_file *file,
+ssize_t perf_data__write(struct perf_data *data,
void *buf, size_t size)
{
- return writen(file->fd, buf, size);
+ return writen(data->fd, buf, size);
}
-int perf_data_file__switch(struct perf_data_file *file,
+int perf_data__switch(struct perf_data *data,
const char *postfix,
size_t pos, bool at_exit)
{
char *new_filepath;
int ret;
- if (check_pipe(file))
+ if (check_pipe(data))
return -EINVAL;
- if (perf_data_file__is_read(file))
+ if (perf_data__is_read(data))
return -EINVAL;
- if (asprintf(&new_filepath, "%s.%s", file->path, postfix) < 0)
+ if (asprintf(&new_filepath, "%s.%s", data->path, postfix) < 0)
return -ENOMEM;
/*
* Only fire a warning, don't return error, continue fill
* original file.
*/
- if (rename(file->path, new_filepath))
- pr_warning("Failed to rename %s to %s\n", file->path, new_filepath);
+ if (rename(data->path, new_filepath))
+ pr_warning("Failed to rename %s to %s\n", data->path, new_filepath);
if (!at_exit) {
- close(file->fd);
- ret = perf_data_file__open(file);
+ close(data->fd);
+ ret = perf_data__open(data);
if (ret < 0)
goto out;
- if (lseek(file->fd, pos, SEEK_SET) == (off_t)-1) {
+ if (lseek(data->fd, pos, SEEK_SET) == (off_t)-1) {
ret = -errno;
pr_debug("Failed to lseek to %zu: %s",
pos, strerror(errno));
goto out;
}
}
- ret = file->fd;
+ ret = data->fd;
out:
free(new_filepath);
return ret;