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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
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5
tools/perf/builtin-annotate.c
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@@ -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"),