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perf tools: Add data object to handle perf data file 

This patch is adding 'struct perf_data_file' object as a placeholder for
all attributes regarding perf.data file handling. Changing
perf_session__new to take it as an argument.

The rest of the functionality will be added later to keep this change
simple enough, because all the places using perf_session are changed
now.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1381847254-28809-2-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2013-10-15 16:27:32 +02:00 committed by Arnaldo Carvalho de Melo
parent 09600e0f9e
commit f5fc14124c
21 changed files with 186 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
tools/perf/builtin-annotate.c
View File

@ -28,6 +28,7 @@
#include "util/hist.h"
#include "util/session.h"
#include "util/tool.h"
#include "util/data.h"
#include "arch/common.h"
#include <dlfcn.h>
@ -199,9 +200,13 @@ static int __cmd_annotate(struct perf_annotate *ann)
struct perf_session *session;
struct perf_evsel *pos;
u64 total_nr_samples;
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = ann->force,
};
session = perf_session__new(input_name, O_RDONLY,
ann->force, false, &ann->tool);
session = perf_session__new(&file, false, &ann->tool);
if (session == NULL)
return -ENOMEM;

8
tools/perf/builtin-buildid-cache.c
View File

@ -221,8 +221,12 @@ static bool dso__missing_buildid_cache(struct dso *dso, int parm __maybe_unused)
static int build_id_cache__fprintf_missing(const char *filename, bool force, FILE *fp)
{
struct perf_session *session = perf_session__new(filename, O_RDONLY,
force, false, NULL);
struct perf_data_file file = {
.path = filename,
.mode = PERF_DATA_MODE_READ,
.force = force,
};
struct perf_session *session = perf_session__new(&file, false, NULL);
if (session == NULL)
return -1;

9
tools/perf/builtin-buildid-list.c
View File

@ -15,6 +15,7 @@
#include "util/parse-options.h"
#include "util/session.h"
#include "util/symbol.h"
#include "util/data.h"
static int sysfs__fprintf_build_id(FILE *fp)
{
@ -52,6 +53,11 @@ static bool dso__skip_buildid(struct dso *dso, int with_hits)
static int perf_session__list_build_ids(bool force, bool with_hits)
{
struct perf_session *session;
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = force,
};
symbol__elf_init();
/*
@ -60,8 +66,7 @@ static int perf_session__list_build_ids(bool force, bool with_hits)
if (filename__fprintf_build_id(input_name, stdout))
goto out;
session = perf_session__new(input_name, O_RDONLY, force, false,
&build_id__mark_dso_hit_ops);
session = perf_session__new(&file, false, &build_id__mark_dso_hit_ops);
if (session == NULL)
return -1;
/*

19
tools/perf/builtin-diff.c
View File

@ -16,6 +16,7 @@
#include "util/sort.h"
#include "util/symbol.h"
#include "util/util.h"
#include "util/data.h"
#include <stdlib.h>
#include <math.h>
@ -42,7 +43,7 @@ struct diff_hpp_fmt {
struct data__file {
struct perf_session *session;
const char *file;
struct perf_data_file file;
int idx;
struct hists *hists;
struct diff_hpp_fmt fmt[PERF_HPP_DIFF__MAX_INDEX];
@ -601,7 +602,7 @@ static void data__fprintf(void)
data__for_each_file(i, d)
fprintf(stdout, "# [%d] %s %s\n",
d->idx, d->file,
d->idx, d->file.path,
!d->idx ? "(Baseline)" : "");
fprintf(stdout, "#\n");
@ -663,17 +664,16 @@ static int __cmd_diff(void)
int ret = -EINVAL, i;
data__for_each_file(i, d) {
d->session = perf_session__new(d->file, O_RDONLY, force,
false, &tool);
d->session = perf_session__new(&d->file, false, &tool);
if (!d->session) {
pr_err("Failed to open %s\n", d->file);
pr_err("Failed to open %s\n", d->file.path);
ret = -ENOMEM;
goto out_delete;
}
ret = perf_session__process_events(d->session, &tool);
if (ret) {
pr_err("Failed to process %s\n", d->file);
pr_err("Failed to process %s\n", d->file.path);
goto out_delete;
}
@ -1016,7 +1016,12 @@ static int data_init(int argc, const char **argv)
return -ENOMEM;
data__for_each_file(i, d) {
d->file = use_default ? defaults[i] : argv[i];
struct perf_data_file *file = &d->file;
file->path = use_default ? defaults[i] : argv[i];
file->mode = PERF_DATA_MODE_READ,
file->force = force,
d->idx = i;
}

7
tools/perf/builtin-evlist.c
View File

@ -14,13 +14,18 @@
#include "util/parse-events.h"
#include "util/parse-options.h"
#include "util/session.h"
#include "util/data.h"
static int __cmd_evlist(const char *file_name, struct perf_attr_details *details)
{
struct perf_session *session;
struct perf_evsel *pos;
struct perf_data_file file = {
.path = file_name,
.mode = PERF_DATA_MODE_READ,
};
session = perf_session__new(file_name, O_RDONLY, 0, false, NULL);
session = perf_session__new(&file, 0, NULL);
if (session == NULL)
return -ENOMEM;

7
tools/perf/builtin-inject.c
View File

@ -15,6 +15,7 @@
#include "util/tool.h"
#include "util/debug.h"
#include "util/build-id.h"
#include "util/data.h"
#include "util/parse-options.h"
@ -345,6 +346,10 @@ static int __cmd_inject(struct perf_inject *inject)
{
struct perf_session *session;
int ret = -EINVAL;
struct perf_data_file file = {
.path = inject->input_name,
.mode = PERF_DATA_MODE_READ,
};
signal(SIGINT, sig_handler);
@ -355,7 +360,7 @@ static int __cmd_inject(struct perf_inject *inject)
inject->tool.tracing_data = perf_event__repipe_tracing_data;
}
session = perf_session__new(inject->input_name, O_RDONLY, false, true, &inject->tool);
session = perf_session__new(&file, true, &inject->tool);
if (session == NULL)
return -ENOMEM;

7
tools/perf/builtin-kmem.c
View File

@ -13,6 +13,7 @@
#include "util/parse-options.h"
#include "util/trace-event.h"
#include "util/data.h"
#include "util/debug.h"
@ -486,8 +487,12 @@ static int __cmd_kmem(void)
{ "kmem:kfree", perf_evsel__process_free_event, },
{ "kmem:kmem_cache_free", perf_evsel__process_free_event, },
};
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
};
session = perf_session__new(input_name, O_RDONLY, 0, false, &perf_kmem);
session = perf_session__new(&file, false, &perf_kmem);
if (session == NULL)
return -ENOMEM;

13
tools/perf/builtin-kvm.c
View File

@ -17,6 +17,7 @@
#include "util/tool.h"
#include "util/stat.h"
#include "util/top.h"
#include "util/data.h"
#include <sys/prctl.h>
#include <sys/timerfd.h>
@ -1215,10 +1216,13 @@ static int read_events(struct perf_kvm_stat *kvm)
.comm = perf_event__process_comm,
.ordered_samples = true,
};
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
};
kvm->tool = eops;
kvm->session = perf_session__new(kvm->file_name, O_RDONLY, 0, false,
&kvm->tool);
kvm->session = perf_session__new(&file, false, &kvm->tool);
if (!kvm->session) {
pr_err("Initializing perf session failed\n");
return -EINVAL;
@ -1450,6 +1454,9 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
"perf kvm stat live [<options>]",
NULL
};
struct perf_data_file file = {
.mode = PERF_DATA_MODE_WRITE,
};
/* event handling */
@ -1514,7 +1521,7 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
/*
* perf session
*/
kvm->session = perf_session__new(NULL, O_WRONLY, false, false, &kvm->tool);
kvm->session = perf_session__new(&file, false, &kvm->tool);
if (kvm->session == NULL) {
err = -ENOMEM;
goto out;

7
tools/perf/builtin-lock.c
View File

@ -15,6 +15,7 @@
#include "util/debug.h"
#include "util/session.h"
#include "util/tool.h"
#include "util/data.h"
#include <sys/types.h>
#include <sys/prctl.h>
@ -853,8 +854,12 @@ static int __cmd_report(bool display_info)
.comm = perf_event__process_comm,
.ordered_samples = true,
};
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
};
session = perf_session__new(input_name, O_RDONLY, 0, false, &eops);
session = perf_session__new(&file, false, &eops);
if (!session) {
pr_err("Initializing perf session failed\n");
return -ENOMEM;

9
tools/perf/builtin-mem.c
View File

@ -5,6 +5,7 @@
#include "util/trace-event.h"
#include "util/tool.h"
#include "util/session.h"
#include "util/data.h"
#define MEM_OPERATION_LOAD "load"
#define MEM_OPERATION_STORE "store"
@ -119,10 +120,14 @@ static int process_sample_event(struct perf_tool *tool,
static int report_raw_events(struct perf_mem *mem)
{
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
};
int err = -EINVAL;
int ret;
struct perf_session *session = perf_session__new(input_name, O_RDONLY,
0, false, &mem->tool);
struct perf_session *session = perf_session__new(&file, false,
&mem->tool);
if (session == NULL)
return -ENOMEM;

61
tools/perf/builtin-record.c
View File

@ -24,6 +24,7 @@
#include "util/symbol.h"
#include "util/cpumap.h"
#include "util/thread_map.h"
#include "util/data.h"
#include <unistd.h>
#include <sched.h>
@ -65,11 +66,10 @@ struct perf_record {
struct perf_tool tool;
struct perf_record_opts opts;
u64 bytes_written;
const char *output_name;
struct perf_data_file file;
struct perf_evlist *evlist;
struct perf_session *session;
const char *progname;
int output;
int realtime_prio;
bool no_buildid;
bool no_buildid_cache;
@ -84,8 +84,10 @@ static void advance_output(struct perf_record *rec, size_t size)
static int write_output(struct perf_record *rec, void *buf, size_t size)
{
struct perf_data_file *file = &rec->file;
while (size) {
int ret = write(rec->output, buf, size);
int ret = write(file->fd, buf, size);
if (ret < 0) {
pr_err("failed to write perf data, error: %m\n");
@ -248,13 +250,15 @@ out:
static int process_buildids(struct perf_record *rec)
{
u64 size = lseek(rec->output, 0, SEEK_CUR);
struct perf_data_file *file = &rec->file;
struct perf_session *session = rec->session;
u64 size = lseek(file->fd, 0, SEEK_CUR);
if (size == 0)
return 0;
rec->session->fd = rec->output;
return __perf_session__process_events(rec->session, rec->post_processing_offset,
session->fd = file->fd;
return __perf_session__process_events(session, rec->post_processing_offset,
size - rec->post_processing_offset,
size, &build_id__mark_dso_hit_ops);
}
@ -262,17 +266,18 @@ static int process_buildids(struct perf_record *rec)
static void perf_record__exit(int status, void *arg)
{
struct perf_record *rec = arg;
struct perf_data_file *file = &rec->file;
if (status != 0)
return;
if (!rec->opts.pipe_output) {
if (!file->is_pipe) {
rec->session->header.data_size += rec->bytes_written;
if (!rec->no_buildid)
process_buildids(rec);
perf_session__write_header(rec->session, rec->evlist,
rec->output, true);
file->fd, true);
perf_session__delete(rec->session);
perf_evlist__delete(rec->evlist);
symbol__exit();
@ -342,14 +347,15 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
{
struct stat st;
int flags;
int err, output, feat;
int err, feat;
unsigned long waking = 0;
const bool forks = argc > 0;
struct machine *machine;
struct perf_tool *tool = &rec->tool;
struct perf_record_opts *opts = &rec->opts;
struct perf_evlist *evsel_list = rec->evlist;
const char *output_name = rec->output_name;
struct perf_data_file *file = &rec->file;
const char *output_name = file->path;
struct perf_session *session;
bool disabled = false;
@ -363,13 +369,13 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
if (!output_name) {
if (!fstat(STDOUT_FILENO, &st) && S_ISFIFO(st.st_mode))
opts->pipe_output = true;
file->is_pipe = true;
else
rec->output_name = output_name = "perf.data";
file->path = output_name = "perf.data";
}
if (output_name) {
if (!strcmp(output_name, "-"))
opts->pipe_output = true;
file->is_pipe = true;
else if (!stat(output_name, &st) && st.st_size) {
char oldname[PATH_MAX];
snprintf(oldname, sizeof(oldname), "%s.old",
@ -381,19 +387,16 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
flags = O_CREAT|O_RDWR|O_TRUNC;
if (opts->pipe_output)
output = STDOUT_FILENO;
if (file->is_pipe)
file->fd = STDOUT_FILENO;
else
output = open(output_name, flags, S_IRUSR | S_IWUSR);
if (output < 0) {
file->fd = open(output_name, flags, S_IRUSR | S_IWUSR);
if (file->fd < 0) {
perror("failed to create output file");
return -1;
}
rec->output = output;
session = perf_session__new(output_name, O_WRONLY,
true, false, NULL);
session = perf_session__new(file, false, NULL);
if (session == NULL) {
pr_err("Not enough memory for reading perf file header\n");
return -1;
@ -415,7 +418,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
if (forks) {
err = perf_evlist__prepare_workload(evsel_list, &opts->target,
argv, opts->pipe_output,
argv, file->is_pipe,
true);
if (err < 0) {
pr_err("Couldn't run the workload!\n");
@ -436,13 +439,13 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
*/
on_exit(perf_record__exit, rec);
if (opts->pipe_output) {
err = perf_header__write_pipe(output);
if (file->is_pipe) {
err = perf_header__write_pipe(file->fd);
if (err < 0)
goto out_delete_session;
} else {
err = perf_session__write_header(session, evsel_list,
output, false);
file->fd, false);
if (err < 0)
goto out_delete_session;
}
@ -455,11 +458,11 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
goto out_delete_session;
}
rec->post_processing_offset = lseek(output, 0, SEEK_CUR);
rec->post_processing_offset = lseek(file->fd, 0, SEEK_CUR);
machine = &session->machines.host;
if (opts->pipe_output) {
if (file->is_pipe) {
err = perf_event__synthesize_attrs(tool, session,
process_synthesized_event);
if (err < 0) {
@ -476,7 +479,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
* return this more properly and also
* propagate errors that now are calling die()
*/
err = perf_event__synthesize_tracing_data(tool, output, evsel_list,
err = perf_event__synthesize_tracing_data(tool, file->fd, evsel_list,
process_synthesized_event);
if (err <= 0) {
pr_err("Couldn't record tracing data.\n");
@ -845,7 +848,7 @@ const 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.output_name, "file",
OPT_STRING('o', "output", &record.file.path, "file",
"output file name"),
OPT_BOOLEAN('i', "no-inherit", &record.opts.no_inherit,
"child tasks do not inherit counters"),

10
tools/perf/builtin-report.c
View File

@ -33,6 +33,7 @@
#include "util/thread.h"
#include "util/sort.h"
#include "util/hist.h"
#include "util/data.h"
#include "arch/common.h"
#include <dlfcn.h>
@ -857,6 +858,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
"Don't show entries under that percent", parse_percent_limit),
OPT_END()
};
struct perf_data_file file = {
.mode = PERF_DATA_MODE_READ,
};
perf_config(perf_report_config, &report);
@ -886,9 +890,11 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
perf_hpp__init();
}
file.path = input_name;
file.force = report.force;
repeat:
session = perf_session__new(input_name, O_RDONLY,
report.force, false, &report.tool);
session = perf_session__new(&file, false, &report.tool);
if (session == NULL)
return -ENOMEM;

6
tools/perf/builtin-sched.c
View File

@ -1446,8 +1446,12 @@ static int perf_sched__read_events(struct perf_sched *sched,
{ "sched:sched_migrate_task", process_sched_migrate_task_event, },
};
struct perf_session *session;
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
};
session = perf_session__new(input_name, O_RDONLY, 0, false, &sched->tool);
session = perf_session__new(&file, false, &sched->tool);
if (session == NULL) {
pr_debug("No Memory for session\n");
return -1;

15
tools/perf/builtin-script.c
View File

@ -15,6 +15,7 @@
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/sort.h"
#include "util/data.h"
#include <linux/bitmap.h>
static char const *script_name;
@ -1115,10 +1116,14 @@ int find_scripts(char **scripts_array, char **scripts_path_array)
char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
DIR *scripts_dir, *lang_dir;
struct perf_session *session;
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
};
char *temp;
int i = 0;
session = perf_session__new(input_name, O_RDONLY, 0, false, NULL);
session = perf_session__new(&file, false, NULL);
if (!session)
return -1;
@ -1319,12 +1324,17 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
"perf script [<options>] <top-script> [script-args]",
NULL
};
struct perf_data_file file = {
.mode = PERF_DATA_MODE_READ,
};
setup_scripting();
argc = parse_options(argc, argv, options, script_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
file.path = input_name;
if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
if (!rec_script_path)
@ -1488,8 +1498,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
if (!script_name)
setup_pager();
session = perf_session__new(input_name, O_RDONLY, 0, false,
&perf_script);
session = perf_session__new(&file, false, &perf_script);
if (session == NULL)
return -ENOMEM;

10
tools/perf/builtin-timechart.c
View File

@ -36,6 +36,7 @@
#include "util/session.h"
#include "util/svghelper.h"
#include "util/tool.h"
#include "util/data.h"
#define SUPPORT_OLD_POWER_EVENTS 1
#define PWR_EVENT_EXIT -1
@ -990,8 +991,13 @@ static int __cmd_timechart(const char *output_name)
{ "power:power_frequency", process_sample_power_frequency },
#endif
};
struct perf_session *session = perf_session__new(input_name, O_RDONLY,
0, false, &perf_timechart);
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
};
struct perf_session *session = perf_session__new(&file, false,
&perf_timechart);
int ret = -EINVAL;
if (session == NULL)

6
tools/perf/builtin-top.c
View File

@ -929,11 +929,15 @@ static int __cmd_top(struct perf_top *top)
struct perf_record_opts *opts = &top->record_opts;
pthread_t thread;
int ret;
struct perf_data_file file = {
.mode = PERF_DATA_MODE_WRITE,
};
/*
* FIXME: perf_session__new should allow passing a O_MMAP, so that all this
* mmap reading, etc is encapsulated in it. Use O_WRONLY for now.
*/
top->session = perf_session__new(NULL, O_WRONLY, false, false, NULL);
top->session = perf_session__new(&file, false, NULL);
if (top->session == NULL)
return -ENOMEM;

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

@ -1834,7 +1834,10 @@ static int trace__replay(struct trace *trace)
{ "raw_syscalls:sys_exit", trace__sys_exit, },
{ "probe:vfs_getname", trace__vfs_getname, },
};
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
};
struct perf_session *session;
int err = -1;
@ -1857,8 +1860,7 @@ static int trace__replay(struct trace *trace)
if (symbol__init() < 0)
return -1;
session = perf_session__new(input_name, O_RDONLY, 0, false,
&trace->tool);
session = perf_session__new(&file, false, &trace->tool);
if (session == NULL)
return -ENOMEM;

1
tools/perf/perf.h
View File

@ -220,7 +220,6 @@ struct perf_record_opts {
bool no_delay;
bool no_inherit;
bool no_samples;
bool pipe_output;
bool raw_samples;
bool sample_address;
bool sample_weight;

29
tools/perf/util/data.h Normal file
View File

@ -0,0 +1,29 @@
#ifndef __PERF_DATA_H
#define __PERF_DATA_H
#include <stdbool.h>
enum perf_data_mode {
PERF_DATA_MODE_WRITE,
PERF_DATA_MODE_READ,
};
struct perf_data_file {
const char *path;
int fd;
bool is_pipe;
bool force;
enum perf_data_mode mode;
};
static inline bool perf_data_file__is_read(struct perf_data_file *file)
{
return file->mode == PERF_DATA_MODE_READ;
}
static inline bool perf_data_file__is_write(struct perf_data_file *file)
{
return file->mode == PERF_DATA_MODE_WRITE;
}
#endif /* __PERF_DATA_H */

12
tools/perf/util/session.c
View File

@ -106,11 +106,11 @@ static void perf_session__destroy_kernel_maps(struct perf_session *self)
machines__destroy_kernel_maps(&self->machines);
}
struct perf_session *perf_session__new(const char *filename, int mode,
bool force, bool repipe,
struct perf_tool *tool)
struct perf_session *perf_session__new(struct perf_data_file *file,
bool repipe, struct perf_tool *tool)
{
struct perf_session *self;
const char *filename = file->path;
struct stat st;
size_t len;
@ -134,11 +134,11 @@ struct perf_session *perf_session__new(const char *filename, int mode,
INIT_LIST_HEAD(&self->ordered_samples.to_free);
machines__init(&self->machines);
if (mode == O_RDONLY) {
if (perf_session__open(self, force) < 0)
if (perf_data_file__is_read(file)) {
if (perf_session__open(self, file->force) < 0)
goto out_delete;
perf_session__set_id_hdr_size(self);
} else if (mode == O_WRONLY) {
} else if (perf_data_file__is_write(file)) {
/*
* In O_RDONLY mode this will be performed when reading the
* kernel MMAP event, in perf_event__process_mmap().

6
tools/perf/util/session.h
View File

@ -7,6 +7,7 @@
#include "machine.h"
#include "symbol.h"
#include "thread.h"
#include "data.h"
#include <linux/rbtree.h>
#include <linux/perf_event.h>
@ -49,9 +50,8 @@ struct perf_session {
struct perf_tool;
struct perf_session *perf_session__new(const char *filename, int mode,
bool force, bool repipe,
struct perf_tool *tool);
struct perf_session *perf_session__new(struct perf_data_file *file,
bool repipe, struct perf_tool *tool);
void perf_session__delete(struct perf_session *session);
void perf_event_header__bswap(struct perf_event_header *self);