[PATCH V2 2/6] perf tools: Factor out thread__set_guest_comm()

Adrian Hunter
2022-05-17T13:10:44Z

Factor out thread__set_guest_comm() so it can be reused.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/perf/util/machine.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index e96f6ea4fd82..e67b5a7670f3 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -84,6 +84,14 @@ static int machine__set_mmap_name(struct machine *machine)
return machine->mmap_name ? 0 : -ENOMEM;
}

+static void thread__set_guest_comm(struct thread *thread, pid_t pid)
+{
+ char comm[64];
+
+ snprintf(comm, sizeof(comm), "[guest/%d]", pid);
+ thread__set_comm(thread, comm, 0);
+}
+
int machine__init(struct machine *machine, const char *root_dir, pid_t pid)
{
int err = -ENOMEM;
@@ -119,13 +127,11 @@ int machine__init(struct machine *machine, const char *root_dir, pid_t pid)
if (pid != HOST_KERNEL_ID) {
struct thread *thread = machine__findnew_thread(machine, -1,
pid);
- char comm[64];

if (thread == NULL)
goto out;

- snprintf(comm, sizeof(comm), "[guest/%d]", pid);
- thread__set_comm(thread, comm, 0);
+ thread__set_guest_comm(thread, pid);
thread__put(thread);
}

--
2.25.1