[tip:perf/core] perf inject: Move session handling out of __cmd_inject()

From: tip-bot for Namhyung Kim
Date: Thu Aug 14 2014 - 04:47:06 EST


Commit-ID: 1cb8bdcca0e2f738a492c3857568cf34ba4a4373
Gitweb: http://git.kernel.org/tip/1cb8bdcca0e2f738a492c3857568cf34ba4a4373
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Tue, 12 Aug 2014 15:40:37 +0900
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 13 Aug 2014 16:32:39 -0300

perf inject: Move session handling out of __cmd_inject()

This is a preparation of fixing dso__load_kernel_sym(). It needs a
session info before calling symbol__init().

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung.kim@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1407825645-24586-6-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-inject.c | 29 +++++++++++++++++------------
1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index ee875cc..18eaefd 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -23,6 +23,7 @@

struct perf_inject {
struct perf_tool tool;
+ struct perf_session *session;
bool build_ids;
bool sched_stat;
const char *input_name;
@@ -340,12 +341,8 @@ static int perf_evsel__check_stype(struct perf_evsel *evsel,

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,
- };
+ struct perf_session *session = inject->session;
struct perf_data_file *file_out = &inject->output;

signal(SIGINT, sig_handler);
@@ -357,10 +354,6 @@ static int __cmd_inject(struct perf_inject *inject)
inject->tool.tracing_data = perf_event__repipe_tracing_data;
}

- session = perf_session__new(&file, true, &inject->tool);
- if (session == NULL)
- return -ENOMEM;
-
if (inject->build_ids) {
inject->tool.sample = perf_event__inject_buildid;
} else if (inject->sched_stat) {
@@ -396,8 +389,6 @@ static int __cmd_inject(struct perf_inject *inject)
perf_session__write_header(session, session->evlist, file_out->fd, true);
}

- perf_session__delete(session);
-
return ret;
}

@@ -427,6 +418,11 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
.mode = PERF_DATA_MODE_WRITE,
},
};
+ struct perf_data_file file = {
+ .mode = PERF_DATA_MODE_READ,
+ };
+ int ret;
+
const struct option options[] = {
OPT_BOOLEAN('b', "build-ids", &inject.build_ids,
"Inject build-ids into the output stream"),
@@ -461,8 +457,17 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
return -1;
}

+ file.path = inject.input_name;
+ inject.session = perf_session__new(&file, true, &inject.tool);
+ if (inject.session == NULL)
+ return -ENOMEM;
+
if (symbol__init() < 0)
return -1;

- return __cmd_inject(&inject);
+ ret = __cmd_inject(&inject);
+
+ perf_session__delete(inject.session);
+
+ return ret;
}
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