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perf trace: Add record option

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The record option is a convience alias to include the -e raw_syscalls:*
argument to perf-record. All other options are passed to perf-record's
handler. Resulting data file can be analyzed by perf-trace -i.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1380395584-9025-5-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
David Ahern
2013-09-28 13:13:01 -06:00
committed by Arnaldo Carvalho de Melo
parent 8fb598e5a3
commit 5e2485b1a2
2 changed files with 41 additions and 3 deletions
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32
tools/perf/builtin-trace.c
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@@ -1501,6 +1501,33 @@ static int parse_target_str(struct trace *trace)
return 0;
}
static int trace__record(int argc, const char **argv)
{
unsigned int rec_argc, i, j;
const char **rec_argv;
const char * const record_args[] = {
"record",
"-R",
"-m", "1024",
"-c", "1",
"-e", "raw_syscalls:sys_enter,raw_syscalls:sys_exit",
};
rec_argc = ARRAY_SIZE(record_args) + argc;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (rec_argv == NULL)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(record_args); i++)
rec_argv[i] = record_args[i];
for (j = 0; j < (unsigned int)argc; j++, i++)
rec_argv[i] = argv[j];
return cmd_record(i, rec_argv, NULL);
}
static int trace__run(struct trace *trace, int argc, const char **argv)
{
struct perf_evlist *evlist = perf_evlist__new();
@@ -1788,6 +1815,8 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
const char * const trace_usage[] = {
"perf trace [<options>] [<command>]",
"perf trace [<options>] -- <command> [<options>]",
"perf trace record [<options>] [<command>]",
"perf trace record [<options>] -- <command> [<options>]",
NULL
};
struct trace trace = {
@@ -1844,6 +1873,9 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
int err;
char bf[BUFSIZ];
if ((argc > 1) && (strcmp(argv[1], "record") == 0))
return trace__record(argc-2, &argv[2]);
argc = parse_options(argc, argv, trace_options, trace_usage, 0);
if (output_name != NULL) {