diff mbox series

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

Message ID 20220517131011.6117-3-adrian.hunter@intel.com (mailing list archive)
State New, archived
Headers show
Series perf intel-pt: Add support for tracing KVM test programs | expand

Commit Message

Adrian Hunter May 17, 2022, 1:10 p.m. UTC 
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 mbox series

Patch

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);
 	}