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Subject[PATCH 2/3] perf util: Move get_main_thread to thread.c
Date
From: Andi Kleen <ak@linux.intel.com>

Move the get_main_thread function from db-export.c to thread.c
so that it can be used elsewhere.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
tools/perf/util/db-export.c | 13 +------------
tools/perf/util/db-export.h | 2 ++
tools/perf/util/thread.c | 11 +++++++++++
tools/perf/util/thread.h | 2 ++
4 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c
index 8d96c80cc67e..0fb0aeb0b09b 100644
--- a/tools/perf/util/db-export.c
+++ b/tools/perf/util/db-export.c
@@ -233,17 +233,6 @@ int db_export__symbol(struct db_export *dbe, struct symbol *sym,
return 0;
}

-static struct thread *get_main_thread(struct machine *machine, struct thread *thread)
-{
- if (thread->pid_ == thread->tid)
- return thread__get(thread);
-
- if (thread->pid_ == -1)
- return NULL;
-
- return machine__find_thread(machine, thread->pid_, thread->pid_);
-}
-
static int db_ids_from_al(struct db_export *dbe, struct addr_location *al,
u64 *dso_db_id, u64 *sym_db_id, u64 *offset)
{
@@ -383,7 +372,7 @@ int db_export__sample(struct db_export *dbe, union perf_event *event,
if (err)
return err;

- main_thread = get_main_thread(al->machine, thread);
+ main_thread = thread__main_thread(al->machine, thread);
if (main_thread)
comm = machine__thread_exec_comm(al->machine, main_thread);

diff --git a/tools/perf/util/db-export.h b/tools/perf/util/db-export.h
index 67bc6b8ad2d6..1241e5773e13 100644
--- a/tools/perf/util/db-export.h
+++ b/tools/perf/util/db-export.h
@@ -106,4 +106,6 @@ int db_export__branch_types(struct db_export *dbe);
int db_export__call_path(struct db_export *dbe, struct call_path *cp);
int db_export__call_return(struct db_export *dbe, struct call_return *cr);

+struct thread *db_export__main_thread(struct machine *machine, struct thread *thread);
+
#endif
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 45fcb715a36b..ada58e6070bf 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -265,3 +265,14 @@ void thread__find_cpumode_addr_location(struct thread *thread,
break;
}
}
+
+struct thread *thread__main_thread(struct machine *machine, struct thread *thread)
+{
+ if (thread->pid_ == thread->tid)
+ return thread__get(thread);
+
+ if (thread->pid_ == -1)
+ return NULL;
+
+ return machine__find_thread(machine, thread->pid_, thread->pid_);
+}
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 45fba13c800b..08fcb14cf637 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -81,6 +81,8 @@ void thread__insert_map(struct thread *thread, struct map *map);
int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
size_t thread__fprintf(struct thread *thread, FILE *fp);

+struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
+
void thread__find_addr_map(struct thread *thread,
u8 cpumode, enum map_type type, u64 addr,
struct addr_location *al);
--
2.5.5
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