[PATCH 10/19] perf tools: Add struct perf_data_file

From: Arnaldo Carvalho de Melo
Date: Fri Nov 03 2017 - 09:56:29 EST

From: Jiri Olsa <jolsa@xxxxxxxxxx>

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

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Changbin Du <changbin.du@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-c3f9p4xzykr845ktqcek6p4t@xxxxxxxxxxxxxx
[ Fixup recent changes in 'perf script --per-event-dump' ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-annotate.c | 4 ++--
tools/perf/builtin-buildid-cache.c | 4 ++--
tools/perf/builtin-buildid-list.c | 8 ++++---
tools/perf/builtin-c2c.c | 4 ++--
tools/perf/builtin-diff.c | 12 +++++-----
tools/perf/builtin-evlist.c | 8 ++++---
tools/perf/builtin-inject.c | 12 ++++++----
tools/perf/builtin-kmem.c | 2 +-
tools/perf/builtin-kvm.c | 8 ++++---
tools/perf/builtin-lock.c | 8 ++++---
tools/perf/builtin-mem.c | 8 ++++---
tools/perf/builtin-record.c | 6 ++---
tools/perf/builtin-report.c | 6 ++---
tools/perf/builtin-sched.c | 16 ++++++++-----
tools/perf/builtin-script.c | 14 ++++++-----
tools/perf/builtin-stat.c | 6 ++---
tools/perf/builtin-timechart.c | 8 ++++---
tools/perf/builtin-trace.c | 8 ++++---
tools/perf/tests/topology.c | 14 +++++++----
tools/perf/util/data-convert-bt.c | 8 +++----
tools/perf/util/data.c | 48 +++++++++++++++++++-------------------
tools/perf/util/data.h | 10 +++++---
tools/perf/util/header.c | 2 +-
23 files changed, 127 insertions(+), 97 deletions(-)

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 2d06be81a109..2d5c87578f83 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -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)
diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 9fceae47a02e..cb2453b29365 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -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)
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index 72bdc0eba990..00099a830b0d 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -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();
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 87a52d09da29..9590fdcc6484 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -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)
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 5292e3d13cec..67570e6417e5 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -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;
}
diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c
index cd79c26e16a4..93b85dc857b6 100644
--- a/tools/perf/builtin-evlist.c
+++ b/tools/perf/builtin-evlist.c
@@ -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;

diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index ac7486f6c46f..91e65093d3c2 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -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;
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index d45740a3e5f1..abcab75cc5b9 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -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)
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 4301fc34f23c..0af4c092b471 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -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;
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index 2e281f7b0fca..81af29400b64 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -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);
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index 5a4a6f8e614d..f09fd1a1b813 100644
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -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,
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 0ab7dd0e4f2b..f4d9fc54b382 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -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,
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 0dc323772b5e..3c2d9d4932f3 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -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);
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index cb5410511f69..47e54348b5ed 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -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;
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 8f8fa952b506..89975e30c0ba 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -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");
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 85af6d291c06..fa5896270022 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -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)
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 0f79ea5e2f0f..813698a9b8c7 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -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,
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 7def6947ad61..c373f9a3e4a9 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -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;
diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index 7536782e8495..9bbfed51f1d6 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -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;

diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 9fdae383a58c..5744c12641a5 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -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",
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index a6eea3df4c10..07ef56a4123c 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -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;
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h
index a1f9d70426b1..1797bed3aa4b 100644
--- a/tools/perf/util/data.h
+++ b/tools/perf/util/data.h
@@ -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)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index d7be552b21c8..6e59dcca9df2 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -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;
--
2.13.6