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perf tools: Add a global variable "const char *input_name"

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Currently many perf commands annotate/evlist/report/script/lock etc all
support "-i" option to chose a specific perf data, and all of them
create a local "input_name" to save the file name for that perf data.

Since most of these commands need it, we can add a global variable for
it, also it can some other benefits:

1. When calling script browser inside hists/annotation browser, it needs
to know the perf data file name to run that script.

2. For further feature like runtime switching to another perf data file,
this variable can also help.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1351569369-26732-2-git-send-email-feng.tang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Feng Tang 2012-10-30 11:56:02 +08:00 committed by Arnaldo Carvalho de Melo
parent cdd059d731
commit 70cb4e963f
11 changed files with 20 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
tools/perf/builtin-annotate.c
View File

@ -34,7 +34,6 @@
struct perf_annotate {
struct perf_tool tool;
char const *input_name;
bool force, use_tui, use_stdio;
bool full_paths;
bool print_line;
@ -175,7 +174,7 @@ static int __cmd_annotate(struct perf_annotate *ann)
struct perf_evsel *pos;
u64 total_nr_samples;
session = perf_session__new(ann->input_name, O_RDONLY,
session = perf_session__new(input_name, O_RDONLY,
ann->force, false, &ann->tool);
if (session == NULL)
return -ENOMEM;
@ -260,7 +259,7 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
},
};
const struct option options[] = {
OPT_STRING('i', "input", &annotate.input_name, "file",
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
"only consider symbols in these dsos"),

6
tools/perf/builtin-buildid-list.c
View File

@ -44,8 +44,7 @@ static int filename__fprintf_build_id(const char *name, FILE *fp)
return fprintf(fp, "%s\n", sbuild_id);
}
static int perf_session__list_build_ids(const char *input_name,
bool force, bool with_hits)
static int perf_session__list_build_ids(bool force, bool with_hits)
{
struct perf_session *session;
@ -81,7 +80,6 @@ int cmd_buildid_list(int argc, const char **argv,
bool show_kernel = false;
bool with_hits = false;
bool force = false;
const char *input_name = NULL;
const struct option options[] = {
OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"),
OPT_STRING('i', "input", &input_name, "file", "input file name"),
@ -101,5 +99,5 @@ int cmd_buildid_list(int argc, const char **argv,
if (show_kernel)
return sysfs__fprintf_build_id(stdout);
return perf_session__list_build_ids(input_name, force, with_hits);
return perf_session__list_build_ids(force, with_hits);
}

5
tools/perf/builtin-evlist.c
View File

@ -48,12 +48,12 @@ static int __if_print(bool *first, const char *field, u64 value)
#define if_print(field) __if_print(&first, #field, pos->attr.field)
static int __cmd_evlist(const char *input_name, struct perf_attr_details *details)
static int __cmd_evlist(const char *file_name, struct perf_attr_details *details)
{
struct perf_session *session;
struct perf_evsel *pos;
session = perf_session__new(input_name, O_RDONLY, 0, false, NULL);
session = perf_session__new(file_name, O_RDONLY, 0, false, NULL);
if (session == NULL)
return -ENOMEM;
@ -111,7 +111,6 @@ static int __cmd_evlist(const char *input_name, struct perf_attr_details *detail
int cmd_evlist(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct perf_attr_details details = { .verbose = false, };
const char *input_name = NULL;
const struct option options[] = {
OPT_STRING('i', "input", &input_name, "file", "Input file name"),
OPT_BOOLEAN('F', "freq", &details.freq, "Show the sample frequency"),

5
tools/perf/builtin-kmem.c
View File

@ -477,7 +477,7 @@ static void sort_result(void)
__sort_result(&root_caller_stat, &root_caller_sorted, &caller_sort);
}
static int __cmd_kmem(const char *input_name)
static int __cmd_kmem(void)
{
int err = -EINVAL;
struct perf_session *session;
@ -743,7 +743,6 @@ static int __cmd_record(int argc, const char **argv)
int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
{
const char * const default_sort_order = "frag,hit,bytes";
const char *input_name = NULL;
const struct option kmem_options[] = {
OPT_STRING('i', "input", &input_name, "file", "input file name"),
OPT_CALLBACK_NOOPT(0, "caller", NULL, NULL,
@ -779,7 +778,7 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
if (list_empty(&alloc_sort))
setup_sorting(&alloc_sort, default_sort_order);
return __cmd_kmem(input_name);
return __cmd_kmem();
} else
usage_with_options(kmem_usage, kmem_options);

2
tools/perf/builtin-lock.c
View File

@ -335,8 +335,6 @@ alloc_failed:
return NULL;
}
static const char *input_name;
struct trace_lock_handler {
int (*acquire_event)(struct perf_evsel *evsel,
struct perf_sample *sample);

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

@ -40,7 +40,6 @@
struct perf_report {
struct perf_tool tool;
struct perf_session *session;
char const *input_name;
bool force, use_tui, use_gtk, use_stdio;
bool hide_unresolved;
bool dont_use_callchains;
@ -571,7 +570,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
.pretty_printing_style = "normal",
};
const struct option options[] = {
OPT_STRING('i', "input", &report.input_name, "file",
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
@ -657,13 +656,13 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
if (report.inverted_callchain)
callchain_param.order = ORDER_CALLER;
if (!report.input_name || !strlen(report.input_name)) {
if (!input_name || !strlen(input_name)) {
if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
report.input_name = "-";
input_name = "-";
else
report.input_name = "perf.data";
input_name = "perf.data";
}
session = perf_session__new(report.input_name, O_RDONLY,
session = perf_session__new(input_name, O_RDONLY,
report.force, false, &report.tool);
if (session == NULL)
return -ENOMEM;
@ -694,7 +693,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
}
if (strcmp(report.input_name, "-") != 0)
if (strcmp(input_name, "-") != 0)
setup_browser(true);
else {
use_browser = 0;

5
tools/perf/builtin-sched.c
View File

@ -120,7 +120,6 @@ struct trace_sched_handler {
struct perf_sched {
struct perf_tool tool;
const char *input_name;
const char *sort_order;
unsigned long nr_tasks;
struct task_desc *pid_to_task[MAX_PID];
@ -1460,7 +1459,7 @@ static int perf_sched__read_events(struct perf_sched *sched, bool destroy,
};
struct perf_session *session;
session = perf_session__new(sched->input_name, O_RDONLY, 0, false, &sched->tool);
session = perf_session__new(input_name, O_RDONLY, 0, false, &sched->tool);
if (session == NULL) {
pr_debug("No Memory for session\n");
return -1;
@ -1708,7 +1707,7 @@ int cmd_sched(int argc, const char **argv, const char *prefix __maybe_unused)
OPT_END()
};
const struct option sched_options[] = {
OPT_STRING('i', "input", &sched.input_name, "file",
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),

1
tools/perf/builtin-script.c
View File

@ -1175,7 +1175,6 @@ static int have_cmd(int argc, const char **argv)
int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
{
bool show_full_info = false;
const char *input_name = NULL;
char *rec_script_path = NULL;
char *rep_script_path = NULL;
struct perf_session *session;

5
tools/perf/builtin-timechart.c
View File

@ -965,7 +965,7 @@ static void write_svg_file(const char *filename)
svg_close();
}
static int __cmd_timechart(const char *input_name, const char *output_name)
static int __cmd_timechart(const char *output_name)
{
struct perf_tool perf_timechart = {
.comm = process_comm_event,
@ -1061,7 +1061,6 @@ parse_process(const struct option *opt __maybe_unused, const char *arg,
int cmd_timechart(int argc, const char **argv,
const char *prefix __maybe_unused)
{
const char *input_name;
const char *output_name = "output.svg";
const struct option options[] = {
OPT_STRING('i', "input", &input_name, "file", "input file name"),
@ -1092,5 +1091,5 @@ int cmd_timechart(int argc, const char **argv,
setup_pager();
return __cmd_timechart(input_name, output_name);
return __cmd_timechart(output_name);
}

1
tools/perf/perf.c
View File

@ -24,6 +24,7 @@ const char perf_more_info_string[] =
int use_browser = -1;
static int use_pager = -1;
const char *input_name;
struct cmd_struct {
const char *cmd;

1
tools/perf/perf.h
View File

@ -208,6 +208,7 @@ struct branch_stack {
struct branch_entry entries[0];
};
extern const char *input_name;
extern bool perf_host, perf_guest;
extern const char perf_version_string[];