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perf tools: Add struct perf_data_file

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Add struct perf_data_file to represent a single file within a perf_data
struct.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Changbin Du <changbin.du@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-c3f9p4xzykr845ktqcek6p4t@git.kernel.org
[ Fixup recent changes in 'perf script --per-event-dump' ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2017-01-23 22:25:41 +01:00 committed by Arnaldo Carvalho de Melo
parent 8ceb41d7e3
commit eae8ad8042
23 changed files with 127 additions and 97 deletions
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4
tools/perf/builtin-annotate.c
View file

@ -356,7 +356,7 @@ static int __cmd_annotate(struct perf_annotate *ann)
}
if (total_nr_samples == 0) {
ui__error("The %s file has no samples!\n", session->data->path);
ui__error("The %s file has no samples!\n", session->data->file.path);
goto out;
}
@ -482,7 +482,7 @@ int cmd_annotate(int argc, const char **argv)
if (quiet)
perf_quiet_option();
data.path = input_name;
data.file.path = input_name;
annotate.session = perf_session__new(&data, false, &annotate.tool);
if (annotate.session == NULL)

4
tools/perf/builtin-buildid-cache.c
View file

@ -352,8 +352,8 @@ int cmd_buildid_cache(int argc, const char **argv)
nsi = nsinfo__new(ns_id);
if (missing_filename) {
data.path = missing_filename;
data.force = force;
data.file.path = missing_filename;
data.force = force;
session = perf_session__new(&data, false, NULL);
if (session == NULL)

8
tools/perf/builtin-buildid-list.c
View file

@ -51,9 +51,11 @@ static int perf_session__list_build_ids(bool force, bool with_hits)
{
struct perf_session *session;
struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = force,
.file = {
.path = input_name,
},
.mode = PERF_DATA_MODE_READ,
.force = force,
};
symbol__elf_init();

4
tools/perf/builtin-c2c.c
View file

@ -2572,8 +2572,8 @@ static int perf_c2c__report(int argc, const char **argv)
if (!input_name || !strlen(input_name))
input_name = "perf.data";
data.path = input_name;
data.force = symbol_conf.force;
data.file.path = input_name;
data.force = symbol_conf.force;
err = setup_display(display);
if (err)

12
tools/perf/builtin-diff.c
View file

@ -707,7 +707,7 @@ static void data__fprintf(void)
data__for_each_file(i, d)
fprintf(stdout, "# [%d] %s %s\n",
d->idx, d->data.path,
d->idx, d->data.file.path,
!d->idx ? "(Baseline)" : "");
fprintf(stdout, "#\n");
@ -778,14 +778,14 @@ static int __cmd_diff(void)
data__for_each_file(i, d) {
d->session = perf_session__new(&d->data, false, &tool);
if (!d->session) {
pr_err("Failed to open %s\n", d->data.path);
pr_err("Failed to open %s\n", d->data.file.path);
ret = -1;
goto out_delete;
}
ret = perf_session__process_events(d->session);
if (ret) {
pr_err("Failed to process %s\n", d->data.path);
pr_err("Failed to process %s\n", d->data.file.path);
goto out_delete;
}
@ -1288,9 +1288,9 @@ static int data_init(int argc, const char **argv)
data__for_each_file(i, d) {
struct perf_data *data = &d->data;
data->path = use_default ? defaults[i] : argv[i];
data->mode = PERF_DATA_MODE_READ,
data->force = force,
data->file.path = use_default ? defaults[i] : argv[i];
data->mode = PERF_DATA_MODE_READ,
data->force = force,
d->idx = i;
}

8
tools/perf/builtin-evlist.c
View file

@ -22,9 +22,11 @@ static int __cmd_evlist(const char *file_name, struct perf_attr_details *details
struct perf_session *session;
struct perf_evsel *pos;
struct perf_data data = {
.path = file_name,
.mode = PERF_DATA_MODE_READ,
.force = details->force,
.file = {
.path = file_name,
},
.mode = PERF_DATA_MODE_READ,
.force = details->force,
};
bool has_tracepoint = false;

12
tools/perf/builtin-inject.c
View file

@ -145,7 +145,7 @@ static s64 perf_event__repipe_auxtrace(struct perf_tool *tool,
if (!inject->output.is_pipe) {
off_t offset;
offset = lseek(inject->output.fd, 0, SEEK_CUR);
offset = lseek(inject->output.file.fd, 0, SEEK_CUR);
if (offset == -1)
return -errno;
ret = auxtrace_index__auxtrace_event(&session->auxtrace_index,
@ -775,8 +775,10 @@ int cmd_inject(int argc, const char **argv)
.input_name = "-",
.samples = LIST_HEAD_INIT(inject.samples),
.output = {
.path = "-",
.mode = PERF_DATA_MODE_WRITE,
.file = {
.path = "-",
},
.mode = PERF_DATA_MODE_WRITE,
},
};
struct perf_data data = {
@ -789,7 +791,7 @@ int cmd_inject(int argc, const char **argv)
"Inject build-ids into the output stream"),
OPT_STRING('i', "input", &inject.input_name, "file",
"input file name"),
OPT_STRING('o', "output", &inject.output.path, "file",
OPT_STRING('o', "output", &inject.output.file.path, "file",
"output file name"),
OPT_BOOLEAN('s', "sched-stat", &inject.sched_stat,
"Merge sched-stat and sched-switch for getting events "
@ -836,7 +838,7 @@ int cmd_inject(int argc, const char **argv)
inject.tool.ordered_events = inject.sched_stat;
data.path = inject.input_name;
data.file.path = inject.input_name;
inject.session = perf_session__new(&data, true, &inject.tool);
if (inject.session == NULL)
return -1;

2
tools/perf/builtin-kmem.c
View file

@ -1949,7 +1949,7 @@ int cmd_kmem(int argc, const char **argv)
return __cmd_record(argc, argv);
}
data.path = input_name;
data.file.path = input_name;
kmem_session = session = perf_session__new(&data, false, &perf_kmem);
if (session == NULL)

8
tools/perf/builtin-kvm.c
View file

@ -1068,9 +1068,11 @@ static int read_events(struct perf_kvm_stat *kvm)
.ordered_events = true,
};
struct perf_data file = {
.path = kvm->file_name,
.mode = PERF_DATA_MODE_READ,
.force = kvm->force,
.file = {
.path = kvm->file_name,
},
.mode = PERF_DATA_MODE_READ,
.force = kvm->force,
};
kvm->tool = eops;

8
tools/perf/builtin-lock.c
View file

@ -865,9 +865,11 @@ static int __cmd_report(bool display_info)
.ordered_events = true,
};
struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = force,
.file = {
.path = input_name,
},
.mode = PERF_DATA_MODE_READ,
.force = force,
};
session = perf_session__new(&data, false, &eops);

8
tools/perf/builtin-mem.c
View file

@ -237,9 +237,11 @@ static int process_sample_event(struct perf_tool *tool,
static int report_raw_events(struct perf_mem *mem)
{
struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = mem->force,
.file = {
.path = input_name,
},
.mode = PERF_DATA_MODE_READ,
.force = mem->force,
};
int ret;
struct perf_session *session = perf_session__new(&data, false,

6
tools/perf/builtin-record.c
View file

@ -618,7 +618,7 @@ record__switch_output(struct record *rec, bool at_exit)
if (!quiet)
fprintf(stderr, "[ perf record: Dump %s.%s ]\n",
data->path, timestamp);
data->file.path, timestamp);
/* Output tracking events */
if (!at_exit) {
@ -1118,7 +1118,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
fprintf(stderr, "[ perf record: Captured and wrote %.3f MB %s%s%s ]\n",
perf_data__size(data) / 1024.0 / 1024.0,
data->path, postfix, samples);
data->file.path, postfix, samples);
}
out_delete_session:
@ -1482,7 +1482,7 @@ static struct option __record_options[] = {
OPT_STRING('C', "cpu", &record.opts.target.cpu_list, "cpu",
"list of cpus to monitor"),
OPT_U64('c', "count", &record.opts.user_interval, "event period to sample"),
OPT_STRING('o', "output", &record.data.path, "file",
OPT_STRING('o', "output", &record.data.file.path, "file",
"output file name"),
OPT_BOOLEAN_SET('i', "no-inherit", &record.opts.no_inherit,
&record.opts.no_inherit_set,

6
tools/perf/builtin-report.c
View file

@ -637,7 +637,7 @@ static int __cmd_report(struct report *rep)
rep->nr_entries += evsel__hists(pos)->nr_entries;
if (rep->nr_entries == 0) {
ui__error("The %s file has no samples!\n", data->path);
ui__error("The %s file has no samples!\n", data->file.path);
return 0;
}
@ -940,8 +940,8 @@ int cmd_report(int argc, const char **argv)
input_name = "perf.data";
}
data.path = input_name;
data.force = symbol_conf.force;
data.file.path = input_name;
data.force = symbol_conf.force;
repeat:
session = perf_session__new(&data, false, &report.tool);

16
tools/perf/builtin-sched.c
View file

@ -1701,9 +1701,11 @@ static int perf_sched__read_events(struct perf_sched *sched)
};
struct perf_session *session;
struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = sched->force,
.file = {
.path = input_name,
},
.mode = PERF_DATA_MODE_READ,
.force = sched->force,
};
int rc = -1;
@ -2903,9 +2905,11 @@ static int perf_sched__timehist(struct perf_sched *sched)
{ "sched:sched_migrate_task", timehist_migrate_task_event, },
};
struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = sched->force,
.file = {
.path = input_name,
},
.mode = PERF_DATA_MODE_READ,
.force = sched->force,
};
struct perf_session *session;

14
tools/perf/builtin-script.c
View file

@ -222,7 +222,7 @@ static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel
struct perf_evsel_script *es = malloc(sizeof(*es));
if (es != NULL) {
if (asprintf(&es->filename, "%s.%s.dump", data->path, perf_evsel__name(evsel)) < 0)
if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
goto out_free;
es->fp = fopen(es->filename, "w");
if (es->fp == NULL)
@ -2591,8 +2591,10 @@ int find_scripts(char **scripts_array, char **scripts_path_array)
DIR *scripts_dir, *lang_dir;
struct perf_session *session;
struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.file = {
.path = input_name,
},
.mode = PERF_DATA_MODE_READ,
};
char *temp;
int i = 0;
@ -2982,8 +2984,8 @@ int cmd_script(int argc, const char **argv)
argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
data.path = input_name;
data.force = symbol_conf.force;
data.file.path = input_name;
data.force = symbol_conf.force;
if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
@ -3206,7 +3208,7 @@ int cmd_script(int argc, const char **argv)
goto out_delete;
}
input = open(data.path, O_RDONLY); /* input_name */
input = open(data.file.path, O_RDONLY); /* input_name */
if (input < 0) {
err = -errno;
perror("failed to open file");

6
tools/perf/builtin-stat.c
View file

@ -2412,7 +2412,7 @@ static int __cmd_record(int argc, const char **argv)
PARSE_OPT_STOP_AT_NON_OPTION);
if (output_name)
data->path = output_name;
data->file.path = output_name;
if (run_count != 1 || forever) {
pr_err("Cannot use -r option with perf stat record.\n");
@ -2585,8 +2585,8 @@ static int __cmd_report(int argc, const char **argv)
input_name = "perf.data";
}
perf_stat.data.path = input_name;
perf_stat.data.mode = PERF_DATA_MODE_READ;
perf_stat.data.file.path = input_name;
perf_stat.data.mode = PERF_DATA_MODE_READ;
session = perf_session__new(&perf_stat.data, false, &perf_stat.tool);
if (session == NULL)

8
tools/perf/builtin-timechart.c
View file

@ -1602,9 +1602,11 @@ static int __cmd_timechart(struct timechart *tchart, const char *output_name)
{ "syscalls:sys_exit_select", process_exit_poll },
};
struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = tchart->force,
.file = {
.path = input_name,
},
.mode = PERF_DATA_MODE_READ,
.force = tchart->force,
};
struct perf_session *session = perf_session__new(&data, false,

8
tools/perf/builtin-trace.c
View file

@ -2533,9 +2533,11 @@ static int trace__replay(struct trace *trace)
{ "probe:vfs_getname", trace__vfs_getname, },
};
struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = trace->force,
.file = {
.path = input_name,
},
.mode = PERF_DATA_MODE_READ,
.force = trace->force,
};
struct perf_session *session;
struct perf_evsel *evsel;

14
tools/perf/tests/topology.c
View file

@ -30,8 +30,10 @@ static int session_write_header(char *path)
{
struct perf_session *session;
struct perf_data data = {
.path = path,
.mode = PERF_DATA_MODE_WRITE,
.file = {
.path = path,
},
.mode = PERF_DATA_MODE_WRITE,
};
session = perf_session__new(&data, false, NULL);
@ -46,7 +48,7 @@ static int session_write_header(char *path)
session->header.data_size += DATA_SIZE;
TEST_ASSERT_VAL("failed to write header",
!perf_session__write_header(session, session->evlist, data.fd, true));
!perf_session__write_header(session, session->evlist, data.file.fd, true));
perf_session__delete(session);
@ -57,8 +59,10 @@ static int check_cpu_topology(char *path, struct cpu_map *map)
{
struct perf_session *session;
struct perf_data data = {
.path = path,
.mode = PERF_DATA_MODE_READ,
.file = {
.path = path,
},
.mode = PERF_DATA_MODE_READ,
};
int i;

8
tools/perf/util/data-convert-bt.c
View file

@ -1578,9 +1578,9 @@ int bt_convert__perf2ctf(const char *input, const char *path,
{
struct perf_session *session;
struct perf_data data = {
.path = input,
.mode = PERF_DATA_MODE_READ,
.force = opts->force,
.file.path = input,
.mode = PERF_DATA_MODE_READ,
.force = opts->force,
};
struct convert c = {
.tool = {
@ -1650,7 +1650,7 @@ int bt_convert__perf2ctf(const char *input, const char *path,
fprintf(stderr,
"[ perf data convert: Converted '%s' into CTF data '%s' ]\n",
data.path, path);
data.file.path, path);
fprintf(stderr,
"[ perf data convert: Converted and wrote %.3f MB (%" PRIu64 " samples",

48
tools/perf/util/data.c
View file

@ -28,16 +28,16 @@ static bool check_pipe(struct perf_data *data)
int fd = perf_data__is_read(data) ?
STDIN_FILENO : STDOUT_FILENO;
if (!data->path) {
if (!data->file.path) {
if (!fstat(fd, &st) && S_ISFIFO(st.st_mode))
is_pipe = true;
} else {
if (!strcmp(data->path, "-"))
if (!strcmp(data->file.path, "-"))
is_pipe = true;
}
if (is_pipe)
data->fd = fd;
data->file.fd = fd;
return data->is_pipe = is_pipe;
}
@ -46,13 +46,13 @@ static int check_backup(struct perf_data *data)
{
struct stat st;
if (!stat(data->path, &st) && st.st_size) {
if (!stat(data->file.path, &st) && st.st_size) {
/* TODO check errors properly */
char oldname[PATH_MAX];
snprintf(oldname, sizeof(oldname), "%s.old",
data->path);
data->file.path);
unlink(oldname);
rename(data->path, oldname);
rename(data->file.path, oldname);
}
return 0;
@ -64,13 +64,13 @@ static int open_file_read(struct perf_data *data)
int fd;
char sbuf[STRERR_BUFSIZE];
fd = open(data->path, O_RDONLY);
fd = open(data->file.path, O_RDONLY);
if (fd < 0) {
int err = errno;
pr_err("failed to open %s: %s", data->path,
pr_err("failed to open %s: %s", data->file.path,
str_error_r(err, sbuf, sizeof(sbuf)));
if (err == ENOENT && !strcmp(data->path, "perf.data"))
if (err == ENOENT && !strcmp(data->file.path, "perf.data"))
pr_err(" (try 'perf record' first)");
pr_err("\n");
return -err;
@ -81,13 +81,13 @@ static int open_file_read(struct perf_data *data)
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",
data->path);
data->file.path);
goto out_close;
}
if (!st.st_size) {
pr_info("zero-sized data (%s), nothing to do!\n",
data->path);
data->file.path);
goto out_close;
}
@ -107,11 +107,11 @@ static int open_file_write(struct perf_data *data)
if (check_backup(data))
return -1;
fd = open(data->path, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC,
fd = open(data->file.path, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC,
S_IRUSR|S_IWUSR);
if (fd < 0)
pr_err("failed to open %s : %s\n", data->path,
pr_err("failed to open %s : %s\n", data->file.path,
str_error_r(errno, sbuf, sizeof(sbuf)));
return fd;
@ -124,7 +124,7 @@ static int open_file(struct perf_data *data)
fd = perf_data__is_read(data) ?
open_file_read(data) : open_file_write(data);
data->fd = fd;
data->file.fd = fd;
return fd < 0 ? -1 : 0;
}
@ -133,21 +133,21 @@ int perf_data__open(struct perf_data *data)
if (check_pipe(data))
return 0;
if (!data->path)
data->path = "perf.data";
if (!data->file.path)
data->file.path = "perf.data";
return open_file(data);
}
void perf_data__close(struct perf_data *data)
{
close(data->fd);
close(data->file.fd);
}
ssize_t perf_data__write(struct perf_data *data,
void *buf, size_t size)
{
return writen(data->fd, buf, size);
return writen(data->file.fd, buf, size);
}
int perf_data__switch(struct perf_data *data,
@ -162,30 +162,30 @@ int perf_data__switch(struct perf_data *data,
if (perf_data__is_read(data))
return -EINVAL;
if (asprintf(&new_filepath, "%s.%s", data->path, postfix) < 0)
if (asprintf(&new_filepath, "%s.%s", data->file.path, postfix) < 0)
return -ENOMEM;
/*
* Only fire a warning, don't return error, continue fill
* original file.
*/
if (rename(data->path, new_filepath))
pr_warning("Failed to rename %s to %s\n", data->path, new_filepath);
if (rename(data->file.path, new_filepath))
pr_warning("Failed to rename %s to %s\n", data->file.path, new_filepath);
if (!at_exit) {
close(data->fd);
close(data->file.fd);
ret = perf_data__open(data);
if (ret < 0)
goto out;
if (lseek(data->fd, pos, SEEK_SET) == (off_t)-1) {
if (lseek(data->file.fd, pos, SEEK_SET) == (off_t)-1) {
ret = -errno;
pr_debug("Failed to lseek to %zu: %s",
pos, strerror(errno));
goto out;
}
}
ret = data->fd;
ret = data->file.fd;
out:
free(new_filepath);
return ret;

10
tools/perf/util/data.h
View file

@ -8,9 +8,13 @@ enum perf_data_mode {
PERF_DATA_MODE_READ,
};
struct perf_data_file {
const char *path;
int fd;
};
struct perf_data {
const char *path;
int fd;
struct perf_data_file file;
bool is_pipe;
bool force;
unsigned long size;
@ -34,7 +38,7 @@ static inline int perf_data__is_pipe(struct perf_data *data)
static inline int perf_data__fd(struct perf_data *data)
{
return data->fd;
return data->file.fd;
}
static inline unsigned long perf_data__size(struct perf_data *data)

2
tools/perf/util/header.c
View file

@ -2889,7 +2889,7 @@ int perf_session__read_header(struct perf_session *session)
if (f_header.data.size == 0) {
pr_warning("WARNING: The %s file's data size field is 0 which is unexpected.\n"
"Was the 'perf record' command properly terminated?\n",
data->path);
data->file.path);
}
nr_attrs = f_header.attrs.size / f_header.attr_size;