X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=tools%2Fperf%2Futil%2Fevent.c;h=651cd6f6762cb42ed0b5b3b483582553ae82cc67;hb=776ca1543b5fe673aaf1beb244fcc2429d378083;hp=0c8ecf0c78a40ac1088d40742d371cae7fa3d6e7;hpb=44fedd7da485bafcc5eee8794fa54cfc0c047dd4;p=linux.git

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 0c8ecf0c78a4..651cd6f6762c 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -541,10 +541,17 @@ static int __event__synthesize_thread(union perf_event *comm_event,
 						      tgid, process, machine) < 0)
 			return -1;
 
+		/*
+		 * send mmap only for thread group leader
+		 * see thread__init_map_groups
+		 */
+		if (pid == tgid &&
+		    perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
+						       process, machine, mmap_data,
+						       proc_map_timeout))
+			return -1;
 
-		return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
-							  process, machine, mmap_data,
-							  proc_map_timeout);
+		return 0;
 	}
 
 	if (machine__is_default_guest(machine))
@@ -1074,6 +1081,7 @@ void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max
 	}
 
 	*size += sizeof(struct cpu_map_data);
+	*size = PERF_ALIGN(*size, sizeof(u64));
 	return zalloc(*size);
 }
 
@@ -1553,7 +1561,9 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
 
 		return NULL;
 	}
+#if 0
 try_again:
+#endif
 	al->map = map_groups__find(mg, al->addr);
 	if (al->map == NULL) {
 		/*
@@ -1565,6 +1575,7 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
 		 * "[vdso]" dso, but for now lets use the old trick of looking
 		 * in the whole kernel symbol list.
 		 */
+#if 0
 		if (cpumode == PERF_RECORD_MISC_USER && machine &&
 		    mg != &machine->kmaps &&
 		    machine__kernel_ip(machine, al->addr)) {
@@ -1572,6 +1583,7 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
 			load_map = true;
 			goto try_again;
 		}
+#endif
 	} else {
 		/*
 		 * Kernel maps might be changed when loading symbols so loading