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perf machine: Factor out machines__find_guest()

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Factor out machines__find_guest() so it can be re-used.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210218095801.19576-6-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2021-02-18 11:57:55 +02:00 committed by Arnaldo Carvalho de Melo
parent 80a038860b
commit fcda5ff711
3 changed files with 11 additions and 6 deletions
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9
tools/perf/util/machine.c
View File

@ -369,6 +369,15 @@ out:
return machine;
}
struct machine *machines__find_guest(struct machines *machines, pid_t pid)
{
struct machine *machine = machines__find(machines, pid);
if (!machine)
machine = machines__findnew(machines, DEFAULT_GUEST_KERNEL_ID);
return machine;
}
void machines__process_guests(struct machines *machines,
machine__process_t process, void *data)
{

1
tools/perf/util/machine.h
View File

@ -162,6 +162,7 @@ struct machine *machines__add(struct machines *machines, pid_t pid,
struct machine *machines__find_host(struct machines *machines);
struct machine *machines__find(struct machines *machines, pid_t pid);
struct machine *machines__findnew(struct machines *machines, pid_t pid);
struct machine *machines__find_guest(struct machines *machines, pid_t pid);
void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
void machines__set_comm_exec(struct machines *machines, bool comm_exec);

7
tools/perf/util/session.c
View File

@ -1356,8 +1356,6 @@ static struct machine *machines__find_for_cpumode(struct machines *machines,
union perf_event *event,
struct perf_sample *sample)
{
struct machine *machine;
if (perf_guest &&
((sample->cpumode == PERF_RECORD_MISC_GUEST_KERNEL) ||
(sample->cpumode == PERF_RECORD_MISC_GUEST_USER))) {
@ -1369,10 +1367,7 @@ static struct machine *machines__find_for_cpumode(struct machines *machines,
else
pid = sample->pid;
machine = machines__find(machines, pid);
if (!machine)
machine = machines__findnew(machines, DEFAULT_GUEST_KERNEL_ID);
return machine;
return machines__find_guest(machines, pid);
}
return &machines->host;