Two changes:

- fix exit event records
  - extend x86 PMU driver enumeration to add Intel Jasper Lake CPU support.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAl6j/jURHG1pbmdvQGtl
 cm5lbC5vcmcACgkQEnMQ0APhK1hpjg/+L0FTvxUj42qaknksSGhPrIa6aKNSfsHe
 zSG4WsN59E8XUOuB9SV3D/VDJ7rX7w8jEub/TpWqLJll+UiPE3B0oLOwlVhX+8nc
 fDfIqONA6ZoKvfMG9HUXPUo1Lr2+RtcF06hZFWx56g2ijqe5da1CdniJUv1YPb5s
 K4HFU6Xuitih5QrYoLOiATQdp0/W1cjG36irF4svmjrxXotmeWsp7SDlAsAP2hgw
 D7VchYMVs2bWtVL4GyBkq/+EOhvHwp5PTjF3yz7Scy9+CFitL9Bp5DGkaBolpszK
 mUKwstXjbePw28r0jlfLJaptti2ZTFd5r4Ywqyh374ct8JbsdLR77v9Uo6M9VHu8
 9la9cmz+KUnTtz2Bl2dkj2DClh+p4k9VbRjTyrAIobo6WbX8hTYKJmLn/ehvOWqU
 nPJL1bRtkx4s4tIS+oXnVOOSYdcWEvcbduxmuh1eRP3wlDb06AUZCR6JaUErd6bd
 oYFwrZg9vncscKEQM7boQI8f6PhwloZFnGPbPdXgCNarFdCEugCc57s2NvG4BUFo
 WykXYcOGxoANO3F478e/h52cjOoZNk0trdlAk9z957GcI+g+xwoMXWZf8nMUrlWx
 qrtJmEJlde5sN+5j1X75wjJovOIXBmZH9yXWYgZ+kkmASpqeKQvRkbH+eZBBDBuU
 EHNMzUenU0o=
 =pEo5
 -----END PGP SIGNATURE-----

Merge tag 'perf-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "Two changes:

   - fix exit event records

   - extend x86 PMU driver enumeration to add Intel Jasper Lake CPU
     support"

* tag 'perf-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: fix parent pid/tid in task exit events
  perf/x86/cstate: Add Jasper Lake CPU support

arch/x86/events/intel/cstate.c

@@ -643,6 +643,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
 	X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_PLUS,	&glm_cstates),
 	X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D,	&glm_cstates),
 	X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT,	&glm_cstates),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L,	&glm_cstates),
 
 	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L,		&icl_cstates),
 	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE,		&icl_cstates),

kernel/events/core.c

@@ -7491,10 +7491,17 @@ static void perf_event_task_output(struct perf_event *event,
 		goto out;
 
 	task_event->event_id.pid = perf_event_pid(event, task);
-	task_event->event_id.ppid = perf_event_pid(event, current);
-
 	task_event->event_id.tid = perf_event_tid(event, task);
-	task_event->event_id.ptid = perf_event_tid(event, current);
+
+	if (task_event->event_id.header.type == PERF_RECORD_EXIT) {
+		task_event->event_id.ppid = perf_event_pid(event,
+							task->real_parent);
+		task_event->event_id.ptid = perf_event_pid(event,
+							task->real_parent);
+	} else {  /* PERF_RECORD_FORK */
+		task_event->event_id.ppid = perf_event_pid(event, current);
+		task_event->event_id.ptid = perf_event_tid(event, current);
+	}
 
 	task_event->event_id.time = perf_event_clock(event);