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Subject[PATCH 05/10] perf machine: Simplify synthesize_threads method
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

Several tools (top, kvm) don't need to be called back to process each of
the syntheiszed records, instead relying on the machine__process_event
function to change the per machine data structures that represent
threads and mmaps, so provide a way to ask for this common idiom.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-pusqibp8n3c4ynegd1frn4zd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-kvm.c | 5 ++---
tools/perf/builtin-record.c | 4 ++--
tools/perf/builtin-top.c | 5 ++---
tools/perf/builtin-trace.c | 4 ++--
tools/perf/util/machine.c | 6 +++---
tools/perf/util/machine.h | 14 +++++++++++---
6 files changed, 22 insertions(+), 16 deletions(-)

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index f5d2c4bccbec..346bb5909e3d 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1544,9 +1544,8 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
}
kvm->session->evlist = kvm->evlist;
perf_session__set_id_hdr_size(kvm->session);
- machine__synthesize_threads(&kvm->session->machines.host, &kvm->tool,
- &kvm->opts.target, kvm->evlist->threads,
- perf_event__process, false);
+ machine__synthesize_threads(&kvm->session->machines.host, &kvm->opts.target,
+ kvm->evlist->threads, false);
err = kvm_live_open_events(kvm);
if (err)
goto out;
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 41d1f37f5348..fc68b26d58f9 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -480,8 +480,8 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
perf_event__synthesize_guest_os, tool);
}

- err = machine__synthesize_threads(machine, tool, &opts->target, evsel_list->threads,
- process_synthesized_event, opts->sample_address);
+ err = __machine__synthesize_threads(machine, tool, &opts->target, evsel_list->threads,
+ process_synthesized_event, opts->sample_address);
if (err != 0)
goto out_delete_session;

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index c3a936ef7688..8c520d9fecfc 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -950,9 +950,8 @@ static int __cmd_top(struct perf_top *top)
if (ret)
goto out_delete;

- machine__synthesize_threads(&top->session->machines.host, &top->tool,
- &opts->target, top->evlist->threads,
- perf_event__process, false);
+ machine__synthesize_threads(&top->session->machines.host, &opts->target,
+ top->evlist->threads, false);
ret = perf_top__start_counters(top);
if (ret)
goto out_delete;
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 7690324824db..c3008b1c369c 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1340,8 +1340,8 @@ static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist)
if (trace->host == NULL)
return -ENOMEM;

- err = machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target,
- evlist->threads, trace__tool_process, false);
+ err = __machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target,
+ evlist->threads, trace__tool_process, false);
if (err)
symbol__exit();

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 9f2c61d5a9ed..680700b6d779 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1395,9 +1395,9 @@ int machine__for_each_thread(struct machine *machine,
return rc;
}

-int machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
- struct perf_target *target, struct thread_map *threads,
- perf_event__handler_t process, bool data_mmap)
+int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
+ struct perf_target *target, struct thread_map *threads,
+ perf_event__handler_t process, bool data_mmap)
{
if (perf_target__has_task(target))
return perf_event__synthesize_thread_map(tool, threads, process, machine, data_mmap);
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index 14a89d2aecaf..fedd1dfaf715 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -179,7 +179,15 @@ int machine__for_each_thread(struct machine *machine,
int (*fn)(struct thread *thread, void *p),
void *priv);

-int machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
- struct perf_target *target, struct thread_map *threads,
- perf_event__handler_t process, bool data_mmap);
+int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
+ struct perf_target *target, struct thread_map *threads,
+ perf_event__handler_t process, bool data_mmap);
+static inline
+int machine__synthesize_threads(struct machine *machine, struct perf_target *target,
+ struct thread_map *threads, bool data_mmap)
+{
+ return __machine__synthesize_threads(machine, NULL, target, threads,
+ perf_event__process, data_mmap);
+}
+
#endif /* __PERF_MACHINE_H */
--
1.8.1.4


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