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perf tools: Factor out thread__set_guest_comm()

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Factor out thread__set_guest_comm() so it can be reused.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: kvm@vger.kernel.org
Link: https://lore.kernel.org/r/20220517131011.6117-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2022-05-17 16:10:07 +03:00 committed by Arnaldo Carvalho de Melo
parent a088031c49
commit c98e064d54
1 changed files with 9 additions and 3 deletions
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12
tools/perf/util/machine.c
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@ -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);
}